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
1489 InitBackEnd3 P((void))
1491 GameMode initialMode;
1495 InitChessProgram(&first, startedFromSetupPosition);
1497 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1498 free(programVersion);
1499 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1500 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1501 FloatToFront(&appData.recentEngineList, appData.firstChessProgram);
1504 if (appData.icsActive) {
1506 /* [DM] Make a console window if needed [HGM] merged ifs */
1512 if (*appData.icsCommPort != NULLCHAR)
1513 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1514 appData.icsCommPort);
1516 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1517 appData.icsHost, appData.icsPort);
1519 if( (len >= MSG_SIZ) && appData.debugMode )
1520 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1522 DisplayFatalError(buf, err, 1);
1527 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1529 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1530 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1531 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1532 } else if (appData.noChessProgram) {
1538 if (*appData.cmailGameName != NULLCHAR) {
1540 OpenLoopback(&cmailPR);
1542 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1546 DisplayMessage("", "");
1547 if (StrCaseCmp(appData.initialMode, "") == 0) {
1548 initialMode = BeginningOfGame;
1549 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1550 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1551 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1552 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1555 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1556 initialMode = TwoMachinesPlay;
1557 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1558 initialMode = AnalyzeFile;
1559 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1560 initialMode = AnalyzeMode;
1561 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1562 initialMode = MachinePlaysWhite;
1563 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1564 initialMode = MachinePlaysBlack;
1565 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1566 initialMode = EditGame;
1567 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1568 initialMode = EditPosition;
1569 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1570 initialMode = Training;
1572 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1573 if( (len >= MSG_SIZ) && appData.debugMode )
1574 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1576 DisplayFatalError(buf, 0, 2);
1580 if (appData.matchMode) {
1581 if(appData.tourneyFile[0]) { // start tourney from command line
1583 if(f = fopen(appData.tourneyFile, "r")) {
1584 ParseArgsFromFile(f); // make sure tourney parmeters re known
1586 appData.clockMode = TRUE;
1588 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1591 } else if (*appData.cmailGameName != NULLCHAR) {
1592 /* Set up cmail mode */
1593 ReloadCmailMsgEvent(TRUE);
1595 /* Set up other modes */
1596 if (initialMode == AnalyzeFile) {
1597 if (*appData.loadGameFile == NULLCHAR) {
1598 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1602 if (*appData.loadGameFile != NULLCHAR) {
1603 (void) LoadGameFromFile(appData.loadGameFile,
1604 appData.loadGameIndex,
1605 appData.loadGameFile, TRUE);
1606 } else if (*appData.loadPositionFile != NULLCHAR) {
1607 (void) LoadPositionFromFile(appData.loadPositionFile,
1608 appData.loadPositionIndex,
1609 appData.loadPositionFile);
1610 /* [HGM] try to make self-starting even after FEN load */
1611 /* to allow automatic setup of fairy variants with wtm */
1612 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1613 gameMode = BeginningOfGame;
1614 setboardSpoiledMachineBlack = 1;
1616 /* [HGM] loadPos: make that every new game uses the setup */
1617 /* from file as long as we do not switch variant */
1618 if(!blackPlaysFirst) {
1619 startedFromPositionFile = TRUE;
1620 CopyBoard(filePosition, boards[0]);
1623 if (initialMode == AnalyzeMode) {
1624 if (appData.noChessProgram) {
1625 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1628 if (appData.icsActive) {
1629 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1633 } else if (initialMode == AnalyzeFile) {
1634 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1635 ShowThinkingEvent();
1637 AnalysisPeriodicEvent(1);
1638 } else if (initialMode == MachinePlaysWhite) {
1639 if (appData.noChessProgram) {
1640 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1644 if (appData.icsActive) {
1645 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1649 MachineWhiteEvent();
1650 } else if (initialMode == MachinePlaysBlack) {
1651 if (appData.noChessProgram) {
1652 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1656 if (appData.icsActive) {
1657 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1661 MachineBlackEvent();
1662 } else if (initialMode == TwoMachinesPlay) {
1663 if (appData.noChessProgram) {
1664 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1668 if (appData.icsActive) {
1669 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1674 } else if (initialMode == EditGame) {
1676 } else if (initialMode == EditPosition) {
1677 EditPositionEvent();
1678 } else if (initialMode == Training) {
1679 if (*appData.loadGameFile == NULLCHAR) {
1680 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1689 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1691 DisplayBook(current+1);
1693 MoveHistorySet( movelist, first, last, current, pvInfoList );
1695 EvalGraphSet( first, last, current, pvInfoList );
1697 MakeEngineOutputTitle();
1701 * Establish will establish a contact to a remote host.port.
1702 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1703 * used to talk to the host.
1704 * Returns 0 if okay, error code if not.
1711 if (*appData.icsCommPort != NULLCHAR) {
1712 /* Talk to the host through a serial comm port */
1713 return OpenCommPort(appData.icsCommPort, &icsPR);
1715 } else if (*appData.gateway != NULLCHAR) {
1716 if (*appData.remoteShell == NULLCHAR) {
1717 /* Use the rcmd protocol to run telnet program on a gateway host */
1718 snprintf(buf, sizeof(buf), "%s %s %s",
1719 appData.telnetProgram, appData.icsHost, appData.icsPort);
1720 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1723 /* Use the rsh program to run telnet program on a gateway host */
1724 if (*appData.remoteUser == NULLCHAR) {
1725 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1726 appData.gateway, appData.telnetProgram,
1727 appData.icsHost, appData.icsPort);
1729 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1730 appData.remoteShell, appData.gateway,
1731 appData.remoteUser, appData.telnetProgram,
1732 appData.icsHost, appData.icsPort);
1734 return StartChildProcess(buf, "", &icsPR);
1737 } else if (appData.useTelnet) {
1738 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1741 /* TCP socket interface differs somewhat between
1742 Unix and NT; handle details in the front end.
1744 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1749 EscapeExpand (char *p, char *q)
1750 { // [HGM] initstring: routine to shape up string arguments
1751 while(*p++ = *q++) if(p[-1] == '\\')
1753 case 'n': p[-1] = '\n'; break;
1754 case 'r': p[-1] = '\r'; break;
1755 case 't': p[-1] = '\t'; break;
1756 case '\\': p[-1] = '\\'; break;
1757 case 0: *p = 0; return;
1758 default: p[-1] = q[-1]; break;
1763 show_bytes (FILE *fp, char *buf, int count)
1766 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1767 fprintf(fp, "\\%03o", *buf & 0xff);
1776 /* Returns an errno value */
1778 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1780 char buf[8192], *p, *q, *buflim;
1781 int left, newcount, outcount;
1783 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1784 *appData.gateway != NULLCHAR) {
1785 if (appData.debugMode) {
1786 fprintf(debugFP, ">ICS: ");
1787 show_bytes(debugFP, message, count);
1788 fprintf(debugFP, "\n");
1790 return OutputToProcess(pr, message, count, outError);
1793 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1800 if (appData.debugMode) {
1801 fprintf(debugFP, ">ICS: ");
1802 show_bytes(debugFP, buf, newcount);
1803 fprintf(debugFP, "\n");
1805 outcount = OutputToProcess(pr, buf, newcount, outError);
1806 if (outcount < newcount) return -1; /* to be sure */
1813 } else if (((unsigned char) *p) == TN_IAC) {
1814 *q++ = (char) TN_IAC;
1821 if (appData.debugMode) {
1822 fprintf(debugFP, ">ICS: ");
1823 show_bytes(debugFP, buf, newcount);
1824 fprintf(debugFP, "\n");
1826 outcount = OutputToProcess(pr, buf, newcount, outError);
1827 if (outcount < newcount) return -1; /* to be sure */
1832 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1834 int outError, outCount;
1835 static int gotEof = 0;
1837 /* Pass data read from player on to ICS */
1840 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1841 if (outCount < count) {
1842 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1844 } else if (count < 0) {
1845 RemoveInputSource(isr);
1846 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1847 } else if (gotEof++ > 0) {
1848 RemoveInputSource(isr);
1849 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1855 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1856 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1857 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1858 SendToICS("date\n");
1859 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1862 /* added routine for printf style output to ics */
1864 ics_printf (char *format, ...)
1866 char buffer[MSG_SIZ];
1869 va_start(args, format);
1870 vsnprintf(buffer, sizeof(buffer), format, args);
1871 buffer[sizeof(buffer)-1] = '\0';
1879 int count, outCount, outError;
1881 if (icsPR == NoProc) return;
1884 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1885 if (outCount < count) {
1886 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1890 /* This is used for sending logon scripts to the ICS. Sending
1891 without a delay causes problems when using timestamp on ICC
1892 (at least on my machine). */
1894 SendToICSDelayed (char *s, long msdelay)
1896 int count, outCount, outError;
1898 if (icsPR == NoProc) return;
1901 if (appData.debugMode) {
1902 fprintf(debugFP, ">ICS: ");
1903 show_bytes(debugFP, s, count);
1904 fprintf(debugFP, "\n");
1906 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1908 if (outCount < count) {
1909 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1914 /* Remove all highlighting escape sequences in s
1915 Also deletes any suffix starting with '('
1918 StripHighlightAndTitle (char *s)
1920 static char retbuf[MSG_SIZ];
1923 while (*s != NULLCHAR) {
1924 while (*s == '\033') {
1925 while (*s != NULLCHAR && !isalpha(*s)) s++;
1926 if (*s != NULLCHAR) s++;
1928 while (*s != NULLCHAR && *s != '\033') {
1929 if (*s == '(' || *s == '[') {
1940 /* Remove all highlighting escape sequences in s */
1942 StripHighlight (char *s)
1944 static char retbuf[MSG_SIZ];
1947 while (*s != NULLCHAR) {
1948 while (*s == '\033') {
1949 while (*s != NULLCHAR && !isalpha(*s)) s++;
1950 if (*s != NULLCHAR) s++;
1952 while (*s != NULLCHAR && *s != '\033') {
1960 char *variantNames[] = VARIANT_NAMES;
1962 VariantName (VariantClass v)
1964 return variantNames[v];
1968 /* Identify a variant from the strings the chess servers use or the
1969 PGN Variant tag names we use. */
1971 StringToVariant (char *e)
1975 VariantClass v = VariantNormal;
1976 int i, found = FALSE;
1982 /* [HGM] skip over optional board-size prefixes */
1983 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1984 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1985 while( *e++ != '_');
1988 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1992 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1993 if (StrCaseStr(e, variantNames[i])) {
1994 v = (VariantClass) i;
2001 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2002 || StrCaseStr(e, "wild/fr")
2003 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2004 v = VariantFischeRandom;
2005 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2006 (i = 1, p = StrCaseStr(e, "w"))) {
2008 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2015 case 0: /* FICS only, actually */
2017 /* Castling legal even if K starts on d-file */
2018 v = VariantWildCastle;
2023 /* Castling illegal even if K & R happen to start in
2024 normal positions. */
2025 v = VariantNoCastle;
2038 /* Castling legal iff K & R start in normal positions */
2044 /* Special wilds for position setup; unclear what to do here */
2045 v = VariantLoadable;
2048 /* Bizarre ICC game */
2049 v = VariantTwoKings;
2052 v = VariantKriegspiel;
2058 v = VariantFischeRandom;
2061 v = VariantCrazyhouse;
2064 v = VariantBughouse;
2070 /* Not quite the same as FICS suicide! */
2071 v = VariantGiveaway;
2077 v = VariantShatranj;
2080 /* Temporary names for future ICC types. The name *will* change in
2081 the next xboard/WinBoard release after ICC defines it. */
2119 v = VariantCapablanca;
2122 v = VariantKnightmate;
2128 v = VariantCylinder;
2134 v = VariantCapaRandom;
2137 v = VariantBerolina;
2149 /* Found "wild" or "w" in the string but no number;
2150 must assume it's normal chess. */
2154 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2155 if( (len >= MSG_SIZ) && appData.debugMode )
2156 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2158 DisplayError(buf, 0);
2164 if (appData.debugMode) {
2165 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2166 e, wnum, VariantName(v));
2171 static int leftover_start = 0, leftover_len = 0;
2172 char star_match[STAR_MATCH_N][MSG_SIZ];
2174 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2175 advance *index beyond it, and set leftover_start to the new value of
2176 *index; else return FALSE. If pattern contains the character '*', it
2177 matches any sequence of characters not containing '\r', '\n', or the
2178 character following the '*' (if any), and the matched sequence(s) are
2179 copied into star_match.
2182 looking_at ( char *buf, int *index, char *pattern)
2184 char *bufp = &buf[*index], *patternp = pattern;
2186 char *matchp = star_match[0];
2189 if (*patternp == NULLCHAR) {
2190 *index = leftover_start = bufp - buf;
2194 if (*bufp == NULLCHAR) return FALSE;
2195 if (*patternp == '*') {
2196 if (*bufp == *(patternp + 1)) {
2198 matchp = star_match[++star_count];
2202 } else if (*bufp == '\n' || *bufp == '\r') {
2204 if (*patternp == NULLCHAR)
2209 *matchp++ = *bufp++;
2213 if (*patternp != *bufp) return FALSE;
2220 SendToPlayer (char *data, int length)
2222 int error, outCount;
2223 outCount = OutputToProcess(NoProc, data, length, &error);
2224 if (outCount < length) {
2225 DisplayFatalError(_("Error writing to display"), error, 1);
2230 PackHolding (char packed[], char *holding)
2240 switch (runlength) {
2251 sprintf(q, "%d", runlength);
2263 /* Telnet protocol requests from the front end */
2265 TelnetRequest (unsigned char ddww, unsigned char option)
2267 unsigned char msg[3];
2268 int outCount, outError;
2270 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2272 if (appData.debugMode) {
2273 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2289 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2298 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2301 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2306 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2308 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2315 if (!appData.icsActive) return;
2316 TelnetRequest(TN_DO, TN_ECHO);
2322 if (!appData.icsActive) return;
2323 TelnetRequest(TN_DONT, TN_ECHO);
2327 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2329 /* put the holdings sent to us by the server on the board holdings area */
2330 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2334 if(gameInfo.holdingsWidth < 2) return;
2335 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2336 return; // prevent overwriting by pre-board holdings
2338 if( (int)lowestPiece >= BlackPawn ) {
2341 holdingsStartRow = BOARD_HEIGHT-1;
2344 holdingsColumn = BOARD_WIDTH-1;
2345 countsColumn = BOARD_WIDTH-2;
2346 holdingsStartRow = 0;
2350 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2351 board[i][holdingsColumn] = EmptySquare;
2352 board[i][countsColumn] = (ChessSquare) 0;
2354 while( (p=*holdings++) != NULLCHAR ) {
2355 piece = CharToPiece( ToUpper(p) );
2356 if(piece == EmptySquare) continue;
2357 /*j = (int) piece - (int) WhitePawn;*/
2358 j = PieceToNumber(piece);
2359 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2360 if(j < 0) continue; /* should not happen */
2361 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2362 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2363 board[holdingsStartRow+j*direction][countsColumn]++;
2369 VariantSwitch (Board board, VariantClass newVariant)
2371 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2372 static Board oldBoard;
2374 startedFromPositionFile = FALSE;
2375 if(gameInfo.variant == newVariant) return;
2377 /* [HGM] This routine is called each time an assignment is made to
2378 * gameInfo.variant during a game, to make sure the board sizes
2379 * are set to match the new variant. If that means adding or deleting
2380 * holdings, we shift the playing board accordingly
2381 * This kludge is needed because in ICS observe mode, we get boards
2382 * of an ongoing game without knowing the variant, and learn about the
2383 * latter only later. This can be because of the move list we requested,
2384 * in which case the game history is refilled from the beginning anyway,
2385 * but also when receiving holdings of a crazyhouse game. In the latter
2386 * case we want to add those holdings to the already received position.
2390 if (appData.debugMode) {
2391 fprintf(debugFP, "Switch board from %s to %s\n",
2392 VariantName(gameInfo.variant), VariantName(newVariant));
2393 setbuf(debugFP, NULL);
2395 shuffleOpenings = 0; /* [HGM] shuffle */
2396 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2400 newWidth = 9; newHeight = 9;
2401 gameInfo.holdingsSize = 7;
2402 case VariantBughouse:
2403 case VariantCrazyhouse:
2404 newHoldingsWidth = 2; break;
2408 newHoldingsWidth = 2;
2409 gameInfo.holdingsSize = 8;
2412 case VariantCapablanca:
2413 case VariantCapaRandom:
2416 newHoldingsWidth = gameInfo.holdingsSize = 0;
2419 if(newWidth != gameInfo.boardWidth ||
2420 newHeight != gameInfo.boardHeight ||
2421 newHoldingsWidth != gameInfo.holdingsWidth ) {
2423 /* shift position to new playing area, if needed */
2424 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2425 for(i=0; i<BOARD_HEIGHT; i++)
2426 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2427 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2429 for(i=0; i<newHeight; i++) {
2430 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2431 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2433 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2434 for(i=0; i<BOARD_HEIGHT; i++)
2435 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2436 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2439 gameInfo.boardWidth = newWidth;
2440 gameInfo.boardHeight = newHeight;
2441 gameInfo.holdingsWidth = newHoldingsWidth;
2442 gameInfo.variant = newVariant;
2443 InitDrawingSizes(-2, 0);
2444 } else gameInfo.variant = newVariant;
2445 CopyBoard(oldBoard, board); // remember correctly formatted board
2446 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2447 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2450 static int loggedOn = FALSE;
2452 /*-- Game start info cache: --*/
2454 char gs_kind[MSG_SIZ];
2455 static char player1Name[128] = "";
2456 static char player2Name[128] = "";
2457 static char cont_seq[] = "\n\\ ";
2458 static int player1Rating = -1;
2459 static int player2Rating = -1;
2460 /*----------------------------*/
2462 ColorClass curColor = ColorNormal;
2463 int suppressKibitz = 0;
2466 Boolean soughtPending = FALSE;
2467 Boolean seekGraphUp;
2468 #define MAX_SEEK_ADS 200
2470 char *seekAdList[MAX_SEEK_ADS];
2471 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2472 float tcList[MAX_SEEK_ADS];
2473 char colorList[MAX_SEEK_ADS];
2474 int nrOfSeekAds = 0;
2475 int minRating = 1010, maxRating = 2800;
2476 int hMargin = 10, vMargin = 20, h, w;
2477 extern int squareSize, lineGap;
2482 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2483 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2484 if(r < minRating+100 && r >=0 ) r = minRating+100;
2485 if(r > maxRating) r = maxRating;
2486 if(tc < 1.) tc = 1.;
2487 if(tc > 95.) tc = 95.;
2488 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2489 y = ((double)r - minRating)/(maxRating - minRating)
2490 * (h-vMargin-squareSize/8-1) + vMargin;
2491 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2492 if(strstr(seekAdList[i], " u ")) color = 1;
2493 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2494 !strstr(seekAdList[i], "bullet") &&
2495 !strstr(seekAdList[i], "blitz") &&
2496 !strstr(seekAdList[i], "standard") ) color = 2;
2497 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2498 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2502 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2504 char buf[MSG_SIZ], *ext = "";
2505 VariantClass v = StringToVariant(type);
2506 if(strstr(type, "wild")) {
2507 ext = type + 4; // append wild number
2508 if(v == VariantFischeRandom) type = "chess960"; else
2509 if(v == VariantLoadable) type = "setup"; else
2510 type = VariantName(v);
2512 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2513 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2514 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2515 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2516 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2517 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2518 seekNrList[nrOfSeekAds] = nr;
2519 zList[nrOfSeekAds] = 0;
2520 seekAdList[nrOfSeekAds++] = StrSave(buf);
2521 if(plot) PlotSeekAd(nrOfSeekAds-1);
2526 EraseSeekDot (int i)
2528 int x = xList[i], y = yList[i], d=squareSize/4, k;
2529 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2530 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2531 // now replot every dot that overlapped
2532 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2533 int xx = xList[k], yy = yList[k];
2534 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2535 DrawSeekDot(xx, yy, colorList[k]);
2540 RemoveSeekAd (int nr)
2543 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2545 if(seekAdList[i]) free(seekAdList[i]);
2546 seekAdList[i] = seekAdList[--nrOfSeekAds];
2547 seekNrList[i] = seekNrList[nrOfSeekAds];
2548 ratingList[i] = ratingList[nrOfSeekAds];
2549 colorList[i] = colorList[nrOfSeekAds];
2550 tcList[i] = tcList[nrOfSeekAds];
2551 xList[i] = xList[nrOfSeekAds];
2552 yList[i] = yList[nrOfSeekAds];
2553 zList[i] = zList[nrOfSeekAds];
2554 seekAdList[nrOfSeekAds] = NULL;
2560 MatchSoughtLine (char *line)
2562 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2563 int nr, base, inc, u=0; char dummy;
2565 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2566 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2568 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2569 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2570 // match: compact and save the line
2571 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2581 if(!seekGraphUp) return FALSE;
2582 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2583 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2585 DrawSeekBackground(0, 0, w, h);
2586 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2587 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2588 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2589 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2591 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2594 snprintf(buf, MSG_SIZ, "%d", i);
2595 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2598 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2599 for(i=1; i<100; i+=(i<10?1:5)) {
2600 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2601 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2602 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2604 snprintf(buf, MSG_SIZ, "%d", i);
2605 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2608 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2613 SeekGraphClick (ClickType click, int x, int y, int moving)
2615 static int lastDown = 0, displayed = 0, lastSecond;
2616 if(y < 0) return FALSE;
2617 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2618 if(click == Release || moving) return FALSE;
2620 soughtPending = TRUE;
2621 SendToICS(ics_prefix);
2622 SendToICS("sought\n"); // should this be "sought all"?
2623 } else { // issue challenge based on clicked ad
2624 int dist = 10000; int i, closest = 0, second = 0;
2625 for(i=0; i<nrOfSeekAds; i++) {
2626 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2627 if(d < dist) { dist = d; closest = i; }
2628 second += (d - zList[i] < 120); // count in-range ads
2629 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2633 second = (second > 1);
2634 if(displayed != closest || second != lastSecond) {
2635 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2636 lastSecond = second; displayed = closest;
2638 if(click == Press) {
2639 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2642 } // on press 'hit', only show info
2643 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2644 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2645 SendToICS(ics_prefix);
2647 return TRUE; // let incoming board of started game pop down the graph
2648 } else if(click == Release) { // release 'miss' is ignored
2649 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2650 if(moving == 2) { // right up-click
2651 nrOfSeekAds = 0; // refresh graph
2652 soughtPending = TRUE;
2653 SendToICS(ics_prefix);
2654 SendToICS("sought\n"); // should this be "sought all"?
2657 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2658 // press miss or release hit 'pop down' seek graph
2659 seekGraphUp = FALSE;
2660 DrawPosition(TRUE, NULL);
2666 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2668 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2669 #define STARTED_NONE 0
2670 #define STARTED_MOVES 1
2671 #define STARTED_BOARD 2
2672 #define STARTED_OBSERVE 3
2673 #define STARTED_HOLDINGS 4
2674 #define STARTED_CHATTER 5
2675 #define STARTED_COMMENT 6
2676 #define STARTED_MOVES_NOHIDE 7
2678 static int started = STARTED_NONE;
2679 static char parse[20000];
2680 static int parse_pos = 0;
2681 static char buf[BUF_SIZE + 1];
2682 static int firstTime = TRUE, intfSet = FALSE;
2683 static ColorClass prevColor = ColorNormal;
2684 static int savingComment = FALSE;
2685 static int cmatch = 0; // continuation sequence match
2692 int backup; /* [DM] For zippy color lines */
2694 char talker[MSG_SIZ]; // [HGM] chat
2697 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2699 if (appData.debugMode) {
2701 fprintf(debugFP, "<ICS: ");
2702 show_bytes(debugFP, data, count);
2703 fprintf(debugFP, "\n");
2707 if (appData.debugMode) { int f = forwardMostMove;
2708 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2709 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2710 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2713 /* If last read ended with a partial line that we couldn't parse,
2714 prepend it to the new read and try again. */
2715 if (leftover_len > 0) {
2716 for (i=0; i<leftover_len; i++)
2717 buf[i] = buf[leftover_start + i];
2720 /* copy new characters into the buffer */
2721 bp = buf + leftover_len;
2722 buf_len=leftover_len;
2723 for (i=0; i<count; i++)
2726 if (data[i] == '\r')
2729 // join lines split by ICS?
2730 if (!appData.noJoin)
2733 Joining just consists of finding matches against the
2734 continuation sequence, and discarding that sequence
2735 if found instead of copying it. So, until a match
2736 fails, there's nothing to do since it might be the
2737 complete sequence, and thus, something we don't want
2740 if (data[i] == cont_seq[cmatch])
2743 if (cmatch == strlen(cont_seq))
2745 cmatch = 0; // complete match. just reset the counter
2748 it's possible for the ICS to not include the space
2749 at the end of the last word, making our [correct]
2750 join operation fuse two separate words. the server
2751 does this when the space occurs at the width setting.
2753 if (!buf_len || buf[buf_len-1] != ' ')
2764 match failed, so we have to copy what matched before
2765 falling through and copying this character. In reality,
2766 this will only ever be just the newline character, but
2767 it doesn't hurt to be precise.
2769 strncpy(bp, cont_seq, cmatch);
2781 buf[buf_len] = NULLCHAR;
2782 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2787 while (i < buf_len) {
2788 /* Deal with part of the TELNET option negotiation
2789 protocol. We refuse to do anything beyond the
2790 defaults, except that we allow the WILL ECHO option,
2791 which ICS uses to turn off password echoing when we are
2792 directly connected to it. We reject this option
2793 if localLineEditing mode is on (always on in xboard)
2794 and we are talking to port 23, which might be a real
2795 telnet server that will try to keep WILL ECHO on permanently.
2797 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2798 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2799 unsigned char option;
2801 switch ((unsigned char) buf[++i]) {
2803 if (appData.debugMode)
2804 fprintf(debugFP, "\n<WILL ");
2805 switch (option = (unsigned char) buf[++i]) {
2807 if (appData.debugMode)
2808 fprintf(debugFP, "ECHO ");
2809 /* Reply only if this is a change, according
2810 to the protocol rules. */
2811 if (remoteEchoOption) break;
2812 if (appData.localLineEditing &&
2813 atoi(appData.icsPort) == TN_PORT) {
2814 TelnetRequest(TN_DONT, TN_ECHO);
2817 TelnetRequest(TN_DO, TN_ECHO);
2818 remoteEchoOption = TRUE;
2822 if (appData.debugMode)
2823 fprintf(debugFP, "%d ", option);
2824 /* Whatever this is, we don't want it. */
2825 TelnetRequest(TN_DONT, option);
2830 if (appData.debugMode)
2831 fprintf(debugFP, "\n<WONT ");
2832 switch (option = (unsigned char) buf[++i]) {
2834 if (appData.debugMode)
2835 fprintf(debugFP, "ECHO ");
2836 /* Reply only if this is a change, according
2837 to the protocol rules. */
2838 if (!remoteEchoOption) break;
2840 TelnetRequest(TN_DONT, TN_ECHO);
2841 remoteEchoOption = FALSE;
2844 if (appData.debugMode)
2845 fprintf(debugFP, "%d ", (unsigned char) option);
2846 /* Whatever this is, it must already be turned
2847 off, because we never agree to turn on
2848 anything non-default, so according to the
2849 protocol rules, we don't reply. */
2854 if (appData.debugMode)
2855 fprintf(debugFP, "\n<DO ");
2856 switch (option = (unsigned char) buf[++i]) {
2858 /* Whatever this is, we refuse to do it. */
2859 if (appData.debugMode)
2860 fprintf(debugFP, "%d ", option);
2861 TelnetRequest(TN_WONT, option);
2866 if (appData.debugMode)
2867 fprintf(debugFP, "\n<DONT ");
2868 switch (option = (unsigned char) buf[++i]) {
2870 if (appData.debugMode)
2871 fprintf(debugFP, "%d ", option);
2872 /* Whatever this is, we are already not doing
2873 it, because we never agree to do anything
2874 non-default, so according to the protocol
2875 rules, we don't reply. */
2880 if (appData.debugMode)
2881 fprintf(debugFP, "\n<IAC ");
2882 /* Doubled IAC; pass it through */
2886 if (appData.debugMode)
2887 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2888 /* Drop all other telnet commands on the floor */
2891 if (oldi > next_out)
2892 SendToPlayer(&buf[next_out], oldi - next_out);
2898 /* OK, this at least will *usually* work */
2899 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2903 if (loggedOn && !intfSet) {
2904 if (ics_type == ICS_ICC) {
2905 snprintf(str, MSG_SIZ,
2906 "/set-quietly interface %s\n/set-quietly style 12\n",
2908 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2909 strcat(str, "/set-2 51 1\n/set seek 1\n");
2910 } else if (ics_type == ICS_CHESSNET) {
2911 snprintf(str, MSG_SIZ, "/style 12\n");
2913 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2914 strcat(str, programVersion);
2915 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2916 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2917 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2919 strcat(str, "$iset nohighlight 1\n");
2921 strcat(str, "$iset lock 1\n$style 12\n");
2924 NotifyFrontendLogin();
2928 if (started == STARTED_COMMENT) {
2929 /* Accumulate characters in comment */
2930 parse[parse_pos++] = buf[i];
2931 if (buf[i] == '\n') {
2932 parse[parse_pos] = NULLCHAR;
2933 if(chattingPartner>=0) {
2935 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2936 OutputChatMessage(chattingPartner, mess);
2937 chattingPartner = -1;
2938 next_out = i+1; // [HGM] suppress printing in ICS window
2940 if(!suppressKibitz) // [HGM] kibitz
2941 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2942 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2943 int nrDigit = 0, nrAlph = 0, j;
2944 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2945 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2946 parse[parse_pos] = NULLCHAR;
2947 // try to be smart: if it does not look like search info, it should go to
2948 // ICS interaction window after all, not to engine-output window.
2949 for(j=0; j<parse_pos; j++) { // count letters and digits
2950 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2951 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2952 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2954 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2955 int depth=0; float score;
2956 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2957 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2958 pvInfoList[forwardMostMove-1].depth = depth;
2959 pvInfoList[forwardMostMove-1].score = 100*score;
2961 OutputKibitz(suppressKibitz, parse);
2964 if(gameMode == IcsObserving) // restore original ICS messages
2965 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2967 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2968 SendToPlayer(tmp, strlen(tmp));
2970 next_out = i+1; // [HGM] suppress printing in ICS window
2972 started = STARTED_NONE;
2974 /* Don't match patterns against characters in comment */
2979 if (started == STARTED_CHATTER) {
2980 if (buf[i] != '\n') {
2981 /* Don't match patterns against characters in chatter */
2985 started = STARTED_NONE;
2986 if(suppressKibitz) next_out = i+1;
2989 /* Kludge to deal with rcmd protocol */
2990 if (firstTime && looking_at(buf, &i, "\001*")) {
2991 DisplayFatalError(&buf[1], 0, 1);
2997 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3000 if (appData.debugMode)
3001 fprintf(debugFP, "ics_type %d\n", ics_type);
3004 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3005 ics_type = ICS_FICS;
3007 if (appData.debugMode)
3008 fprintf(debugFP, "ics_type %d\n", ics_type);
3011 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3012 ics_type = ICS_CHESSNET;
3014 if (appData.debugMode)
3015 fprintf(debugFP, "ics_type %d\n", ics_type);
3020 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3021 looking_at(buf, &i, "Logging you in as \"*\"") ||
3022 looking_at(buf, &i, "will be \"*\""))) {
3023 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3027 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3029 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3030 DisplayIcsInteractionTitle(buf);
3031 have_set_title = TRUE;
3034 /* skip finger notes */
3035 if (started == STARTED_NONE &&
3036 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3037 (buf[i] == '1' && buf[i+1] == '0')) &&
3038 buf[i+2] == ':' && buf[i+3] == ' ') {
3039 started = STARTED_CHATTER;
3045 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3046 if(appData.seekGraph) {
3047 if(soughtPending && MatchSoughtLine(buf+i)) {
3048 i = strstr(buf+i, "rated") - buf;
3049 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3050 next_out = leftover_start = i;
3051 started = STARTED_CHATTER;
3052 suppressKibitz = TRUE;
3055 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3056 && looking_at(buf, &i, "* ads displayed")) {
3057 soughtPending = FALSE;
3062 if(appData.autoRefresh) {
3063 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3064 int s = (ics_type == ICS_ICC); // ICC format differs
3066 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3067 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3068 looking_at(buf, &i, "*% "); // eat prompt
3069 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3070 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3071 next_out = i; // suppress
3074 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3075 char *p = star_match[0];
3077 if(seekGraphUp) RemoveSeekAd(atoi(p));
3078 while(*p && *p++ != ' '); // next
3080 looking_at(buf, &i, "*% "); // eat prompt
3081 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3088 /* skip formula vars */
3089 if (started == STARTED_NONE &&
3090 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3091 started = STARTED_CHATTER;
3096 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3097 if (appData.autoKibitz && started == STARTED_NONE &&
3098 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3099 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3100 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3101 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3102 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3103 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3104 suppressKibitz = TRUE;
3105 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3107 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3108 && (gameMode == IcsPlayingWhite)) ||
3109 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3110 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3111 started = STARTED_CHATTER; // own kibitz we simply discard
3113 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3114 parse_pos = 0; parse[0] = NULLCHAR;
3115 savingComment = TRUE;
3116 suppressKibitz = gameMode != IcsObserving ? 2 :
3117 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3121 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3122 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3123 && atoi(star_match[0])) {
3124 // suppress the acknowledgements of our own autoKibitz
3126 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3127 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3128 SendToPlayer(star_match[0], strlen(star_match[0]));
3129 if(looking_at(buf, &i, "*% ")) // eat prompt
3130 suppressKibitz = FALSE;
3134 } // [HGM] kibitz: end of patch
3136 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3138 // [HGM] chat: intercept tells by users for which we have an open chat window
3140 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3141 looking_at(buf, &i, "* whispers:") ||
3142 looking_at(buf, &i, "* kibitzes:") ||
3143 looking_at(buf, &i, "* shouts:") ||
3144 looking_at(buf, &i, "* c-shouts:") ||
3145 looking_at(buf, &i, "--> * ") ||
3146 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3147 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3148 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3149 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3151 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3152 chattingPartner = -1;
3154 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3155 for(p=0; p<MAX_CHAT; p++) {
3156 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3157 talker[0] = '['; strcat(talker, "] ");
3158 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3159 chattingPartner = p; break;
3162 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3163 for(p=0; p<MAX_CHAT; p++) {
3164 if(!strcmp("kibitzes", chatPartner[p])) {
3165 talker[0] = '['; strcat(talker, "] ");
3166 chattingPartner = p; break;
3169 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3170 for(p=0; p<MAX_CHAT; p++) {
3171 if(!strcmp("whispers", chatPartner[p])) {
3172 talker[0] = '['; strcat(talker, "] ");
3173 chattingPartner = p; break;
3176 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3177 if(buf[i-8] == '-' && buf[i-3] == 't')
3178 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3179 if(!strcmp("c-shouts", chatPartner[p])) {
3180 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3181 chattingPartner = p; break;
3184 if(chattingPartner < 0)
3185 for(p=0; p<MAX_CHAT; p++) {
3186 if(!strcmp("shouts", chatPartner[p])) {
3187 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3188 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3189 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3190 chattingPartner = p; break;
3194 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3195 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3196 talker[0] = 0; Colorize(ColorTell, FALSE);
3197 chattingPartner = p; break;
3199 if(chattingPartner<0) i = oldi; else {
3200 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3201 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3202 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3203 started = STARTED_COMMENT;
3204 parse_pos = 0; parse[0] = NULLCHAR;
3205 savingComment = 3 + chattingPartner; // counts as TRUE
3206 suppressKibitz = TRUE;
3209 } // [HGM] chat: end of patch
3212 if (appData.zippyTalk || appData.zippyPlay) {
3213 /* [DM] Backup address for color zippy lines */
3215 if (loggedOn == TRUE)
3216 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3217 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3219 } // [DM] 'else { ' deleted
3221 /* Regular tells and says */
3222 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3223 looking_at(buf, &i, "* (your partner) tells you: ") ||
3224 looking_at(buf, &i, "* says: ") ||
3225 /* Don't color "message" or "messages" output */
3226 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3227 looking_at(buf, &i, "*. * at *:*: ") ||
3228 looking_at(buf, &i, "--* (*:*): ") ||
3229 /* Message notifications (same color as tells) */
3230 looking_at(buf, &i, "* has left a message ") ||
3231 looking_at(buf, &i, "* just sent you a message:\n") ||
3232 /* Whispers and kibitzes */
3233 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3234 looking_at(buf, &i, "* kibitzes: ") ||
3236 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3238 if (tkind == 1 && strchr(star_match[0], ':')) {
3239 /* Avoid "tells you:" spoofs in channels */
3242 if (star_match[0][0] == NULLCHAR ||
3243 strchr(star_match[0], ' ') ||
3244 (tkind == 3 && strchr(star_match[1], ' '))) {
3245 /* Reject bogus matches */
3248 if (appData.colorize) {
3249 if (oldi > next_out) {
3250 SendToPlayer(&buf[next_out], oldi - next_out);
3255 Colorize(ColorTell, FALSE);
3256 curColor = ColorTell;
3259 Colorize(ColorKibitz, FALSE);
3260 curColor = ColorKibitz;
3263 p = strrchr(star_match[1], '(');
3270 Colorize(ColorChannel1, FALSE);
3271 curColor = ColorChannel1;
3273 Colorize(ColorChannel, FALSE);
3274 curColor = ColorChannel;
3278 curColor = ColorNormal;
3282 if (started == STARTED_NONE && appData.autoComment &&
3283 (gameMode == IcsObserving ||
3284 gameMode == IcsPlayingWhite ||
3285 gameMode == IcsPlayingBlack)) {
3286 parse_pos = i - oldi;
3287 memcpy(parse, &buf[oldi], parse_pos);
3288 parse[parse_pos] = NULLCHAR;
3289 started = STARTED_COMMENT;
3290 savingComment = TRUE;
3292 started = STARTED_CHATTER;
3293 savingComment = FALSE;
3300 if (looking_at(buf, &i, "* s-shouts: ") ||
3301 looking_at(buf, &i, "* c-shouts: ")) {
3302 if (appData.colorize) {
3303 if (oldi > next_out) {
3304 SendToPlayer(&buf[next_out], oldi - next_out);
3307 Colorize(ColorSShout, FALSE);
3308 curColor = ColorSShout;
3311 started = STARTED_CHATTER;
3315 if (looking_at(buf, &i, "--->")) {
3320 if (looking_at(buf, &i, "* shouts: ") ||
3321 looking_at(buf, &i, "--> ")) {
3322 if (appData.colorize) {
3323 if (oldi > next_out) {
3324 SendToPlayer(&buf[next_out], oldi - next_out);
3327 Colorize(ColorShout, FALSE);
3328 curColor = ColorShout;
3331 started = STARTED_CHATTER;
3335 if (looking_at( buf, &i, "Challenge:")) {
3336 if (appData.colorize) {
3337 if (oldi > next_out) {
3338 SendToPlayer(&buf[next_out], oldi - next_out);
3341 Colorize(ColorChallenge, FALSE);
3342 curColor = ColorChallenge;
3348 if (looking_at(buf, &i, "* offers you") ||
3349 looking_at(buf, &i, "* offers to be") ||
3350 looking_at(buf, &i, "* would like to") ||
3351 looking_at(buf, &i, "* requests to") ||
3352 looking_at(buf, &i, "Your opponent offers") ||
3353 looking_at(buf, &i, "Your opponent requests")) {
3355 if (appData.colorize) {
3356 if (oldi > next_out) {
3357 SendToPlayer(&buf[next_out], oldi - next_out);
3360 Colorize(ColorRequest, FALSE);
3361 curColor = ColorRequest;
3366 if (looking_at(buf, &i, "* (*) seeking")) {
3367 if (appData.colorize) {
3368 if (oldi > next_out) {
3369 SendToPlayer(&buf[next_out], oldi - next_out);
3372 Colorize(ColorSeek, FALSE);
3373 curColor = ColorSeek;
3378 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3380 if (looking_at(buf, &i, "\\ ")) {
3381 if (prevColor != ColorNormal) {
3382 if (oldi > next_out) {
3383 SendToPlayer(&buf[next_out], oldi - next_out);
3386 Colorize(prevColor, TRUE);
3387 curColor = prevColor;
3389 if (savingComment) {
3390 parse_pos = i - oldi;
3391 memcpy(parse, &buf[oldi], parse_pos);
3392 parse[parse_pos] = NULLCHAR;
3393 started = STARTED_COMMENT;
3394 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3395 chattingPartner = savingComment - 3; // kludge to remember the box
3397 started = STARTED_CHATTER;
3402 if (looking_at(buf, &i, "Black Strength :") ||
3403 looking_at(buf, &i, "<<< style 10 board >>>") ||
3404 looking_at(buf, &i, "<10>") ||
3405 looking_at(buf, &i, "#@#")) {
3406 /* Wrong board style */
3408 SendToICS(ics_prefix);
3409 SendToICS("set style 12\n");
3410 SendToICS(ics_prefix);
3411 SendToICS("refresh\n");
3415 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3417 have_sent_ICS_logon = 1;
3421 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3422 (looking_at(buf, &i, "\n<12> ") ||
3423 looking_at(buf, &i, "<12> "))) {
3425 if (oldi > next_out) {
3426 SendToPlayer(&buf[next_out], oldi - next_out);
3429 started = STARTED_BOARD;
3434 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3435 looking_at(buf, &i, "<b1> ")) {
3436 if (oldi > next_out) {
3437 SendToPlayer(&buf[next_out], oldi - next_out);
3440 started = STARTED_HOLDINGS;
3445 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3447 /* Header for a move list -- first line */
3449 switch (ics_getting_history) {
3453 case BeginningOfGame:
3454 /* User typed "moves" or "oldmoves" while we
3455 were idle. Pretend we asked for these
3456 moves and soak them up so user can step
3457 through them and/or save them.
3460 gameMode = IcsObserving;
3463 ics_getting_history = H_GOT_UNREQ_HEADER;
3465 case EditGame: /*?*/
3466 case EditPosition: /*?*/
3467 /* Should above feature work in these modes too? */
3468 /* For now it doesn't */
3469 ics_getting_history = H_GOT_UNWANTED_HEADER;
3472 ics_getting_history = H_GOT_UNWANTED_HEADER;
3477 /* Is this the right one? */
3478 if (gameInfo.white && gameInfo.black &&
3479 strcmp(gameInfo.white, star_match[0]) == 0 &&
3480 strcmp(gameInfo.black, star_match[2]) == 0) {
3482 ics_getting_history = H_GOT_REQ_HEADER;
3485 case H_GOT_REQ_HEADER:
3486 case H_GOT_UNREQ_HEADER:
3487 case H_GOT_UNWANTED_HEADER:
3488 case H_GETTING_MOVES:
3489 /* Should not happen */
3490 DisplayError(_("Error gathering move list: two headers"), 0);
3491 ics_getting_history = H_FALSE;
3495 /* Save player ratings into gameInfo if needed */
3496 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3497 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3498 (gameInfo.whiteRating == -1 ||
3499 gameInfo.blackRating == -1)) {
3501 gameInfo.whiteRating = string_to_rating(star_match[1]);
3502 gameInfo.blackRating = string_to_rating(star_match[3]);
3503 if (appData.debugMode)
3504 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3505 gameInfo.whiteRating, gameInfo.blackRating);
3510 if (looking_at(buf, &i,
3511 "* * match, initial time: * minute*, increment: * second")) {
3512 /* Header for a move list -- second line */
3513 /* Initial board will follow if this is a wild game */
3514 if (gameInfo.event != NULL) free(gameInfo.event);
3515 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3516 gameInfo.event = StrSave(str);
3517 /* [HGM] we switched variant. Translate boards if needed. */
3518 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3522 if (looking_at(buf, &i, "Move ")) {
3523 /* Beginning of a move list */
3524 switch (ics_getting_history) {
3526 /* Normally should not happen */
3527 /* Maybe user hit reset while we were parsing */
3530 /* Happens if we are ignoring a move list that is not
3531 * the one we just requested. Common if the user
3532 * tries to observe two games without turning off
3535 case H_GETTING_MOVES:
3536 /* Should not happen */
3537 DisplayError(_("Error gathering move list: nested"), 0);
3538 ics_getting_history = H_FALSE;
3540 case H_GOT_REQ_HEADER:
3541 ics_getting_history = H_GETTING_MOVES;
3542 started = STARTED_MOVES;
3544 if (oldi > next_out) {
3545 SendToPlayer(&buf[next_out], oldi - next_out);
3548 case H_GOT_UNREQ_HEADER:
3549 ics_getting_history = H_GETTING_MOVES;
3550 started = STARTED_MOVES_NOHIDE;
3553 case H_GOT_UNWANTED_HEADER:
3554 ics_getting_history = H_FALSE;
3560 if (looking_at(buf, &i, "% ") ||
3561 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3562 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3563 if(soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3564 soughtPending = FALSE;
3568 if(suppressKibitz) next_out = i;
3569 savingComment = FALSE;
3573 case STARTED_MOVES_NOHIDE:
3574 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3575 parse[parse_pos + i - oldi] = NULLCHAR;
3576 ParseGameHistory(parse);
3578 if (appData.zippyPlay && first.initDone) {
3579 FeedMovesToProgram(&first, forwardMostMove);
3580 if (gameMode == IcsPlayingWhite) {
3581 if (WhiteOnMove(forwardMostMove)) {
3582 if (first.sendTime) {
3583 if (first.useColors) {
3584 SendToProgram("black\n", &first);
3586 SendTimeRemaining(&first, TRUE);
3588 if (first.useColors) {
3589 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3591 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3592 first.maybeThinking = TRUE;
3594 if (first.usePlayother) {
3595 if (first.sendTime) {
3596 SendTimeRemaining(&first, TRUE);
3598 SendToProgram("playother\n", &first);
3604 } else if (gameMode == IcsPlayingBlack) {
3605 if (!WhiteOnMove(forwardMostMove)) {
3606 if (first.sendTime) {
3607 if (first.useColors) {
3608 SendToProgram("white\n", &first);
3610 SendTimeRemaining(&first, FALSE);
3612 if (first.useColors) {
3613 SendToProgram("black\n", &first);
3615 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3616 first.maybeThinking = TRUE;
3618 if (first.usePlayother) {
3619 if (first.sendTime) {
3620 SendTimeRemaining(&first, FALSE);
3622 SendToProgram("playother\n", &first);
3631 if (gameMode == IcsObserving && ics_gamenum == -1) {
3632 /* Moves came from oldmoves or moves command
3633 while we weren't doing anything else.
3635 currentMove = forwardMostMove;
3636 ClearHighlights();/*!!could figure this out*/
3637 flipView = appData.flipView;
3638 DrawPosition(TRUE, boards[currentMove]);
3639 DisplayBothClocks();
3640 snprintf(str, MSG_SIZ, "%s %s %s",
3641 gameInfo.white, _("vs."), gameInfo.black);
3645 /* Moves were history of an active game */
3646 if (gameInfo.resultDetails != NULL) {
3647 free(gameInfo.resultDetails);
3648 gameInfo.resultDetails = NULL;
3651 HistorySet(parseList, backwardMostMove,
3652 forwardMostMove, currentMove-1);
3653 DisplayMove(currentMove - 1);
3654 if (started == STARTED_MOVES) next_out = i;
3655 started = STARTED_NONE;
3656 ics_getting_history = H_FALSE;
3659 case STARTED_OBSERVE:
3660 started = STARTED_NONE;
3661 SendToICS(ics_prefix);
3662 SendToICS("refresh\n");
3668 if(bookHit) { // [HGM] book: simulate book reply
3669 static char bookMove[MSG_SIZ]; // a bit generous?
3671 programStats.nodes = programStats.depth = programStats.time =
3672 programStats.score = programStats.got_only_move = 0;
3673 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3675 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3676 strcat(bookMove, bookHit);
3677 HandleMachineMove(bookMove, &first);
3682 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3683 started == STARTED_HOLDINGS ||
3684 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3685 /* Accumulate characters in move list or board */
3686 parse[parse_pos++] = buf[i];
3689 /* Start of game messages. Mostly we detect start of game
3690 when the first board image arrives. On some versions
3691 of the ICS, though, we need to do a "refresh" after starting
3692 to observe in order to get the current board right away. */
3693 if (looking_at(buf, &i, "Adding game * to observation list")) {
3694 started = STARTED_OBSERVE;
3698 /* Handle auto-observe */
3699 if (appData.autoObserve &&
3700 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3701 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3703 /* Choose the player that was highlighted, if any. */
3704 if (star_match[0][0] == '\033' ||
3705 star_match[1][0] != '\033') {
3706 player = star_match[0];
3708 player = star_match[2];
3710 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3711 ics_prefix, StripHighlightAndTitle(player));
3714 /* Save ratings from notify string */
3715 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3716 player1Rating = string_to_rating(star_match[1]);
3717 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3718 player2Rating = string_to_rating(star_match[3]);
3720 if (appData.debugMode)
3722 "Ratings from 'Game notification:' %s %d, %s %d\n",
3723 player1Name, player1Rating,
3724 player2Name, player2Rating);
3729 /* Deal with automatic examine mode after a game,
3730 and with IcsObserving -> IcsExamining transition */
3731 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3732 looking_at(buf, &i, "has made you an examiner of game *")) {
3734 int gamenum = atoi(star_match[0]);
3735 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3736 gamenum == ics_gamenum) {
3737 /* We were already playing or observing this game;
3738 no need to refetch history */
3739 gameMode = IcsExamining;
3741 pauseExamForwardMostMove = forwardMostMove;
3742 } else if (currentMove < forwardMostMove) {
3743 ForwardInner(forwardMostMove);
3746 /* I don't think this case really can happen */
3747 SendToICS(ics_prefix);
3748 SendToICS("refresh\n");
3753 /* Error messages */
3754 // if (ics_user_moved) {
3755 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3756 if (looking_at(buf, &i, "Illegal move") ||
3757 looking_at(buf, &i, "Not a legal move") ||
3758 looking_at(buf, &i, "Your king is in check") ||
3759 looking_at(buf, &i, "It isn't your turn") ||
3760 looking_at(buf, &i, "It is not your move")) {
3762 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3763 currentMove = forwardMostMove-1;
3764 DisplayMove(currentMove - 1); /* before DMError */
3765 DrawPosition(FALSE, boards[currentMove]);
3766 SwitchClocks(forwardMostMove-1); // [HGM] race
3767 DisplayBothClocks();
3769 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3775 if (looking_at(buf, &i, "still have time") ||
3776 looking_at(buf, &i, "not out of time") ||
3777 looking_at(buf, &i, "either player is out of time") ||
3778 looking_at(buf, &i, "has timeseal; checking")) {
3779 /* We must have called his flag a little too soon */
3780 whiteFlag = blackFlag = FALSE;
3784 if (looking_at(buf, &i, "added * seconds to") ||
3785 looking_at(buf, &i, "seconds were added to")) {
3786 /* Update the clocks */
3787 SendToICS(ics_prefix);
3788 SendToICS("refresh\n");
3792 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3793 ics_clock_paused = TRUE;
3798 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3799 ics_clock_paused = FALSE;
3804 /* Grab player ratings from the Creating: message.
3805 Note we have to check for the special case when
3806 the ICS inserts things like [white] or [black]. */
3807 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3808 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3810 0 player 1 name (not necessarily white)
3812 2 empty, white, or black (IGNORED)
3813 3 player 2 name (not necessarily black)
3816 The names/ratings are sorted out when the game
3817 actually starts (below).
3819 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3820 player1Rating = string_to_rating(star_match[1]);
3821 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3822 player2Rating = string_to_rating(star_match[4]);
3824 if (appData.debugMode)
3826 "Ratings from 'Creating:' %s %d, %s %d\n",
3827 player1Name, player1Rating,
3828 player2Name, player2Rating);
3833 /* Improved generic start/end-of-game messages */
3834 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3835 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3836 /* If tkind == 0: */
3837 /* star_match[0] is the game number */
3838 /* [1] is the white player's name */
3839 /* [2] is the black player's name */
3840 /* For end-of-game: */
3841 /* [3] is the reason for the game end */
3842 /* [4] is a PGN end game-token, preceded by " " */
3843 /* For start-of-game: */
3844 /* [3] begins with "Creating" or "Continuing" */
3845 /* [4] is " *" or empty (don't care). */
3846 int gamenum = atoi(star_match[0]);
3847 char *whitename, *blackname, *why, *endtoken;
3848 ChessMove endtype = EndOfFile;
3851 whitename = star_match[1];
3852 blackname = star_match[2];
3853 why = star_match[3];
3854 endtoken = star_match[4];
3856 whitename = star_match[1];
3857 blackname = star_match[3];
3858 why = star_match[5];
3859 endtoken = star_match[6];
3862 /* Game start messages */
3863 if (strncmp(why, "Creating ", 9) == 0 ||
3864 strncmp(why, "Continuing ", 11) == 0) {
3865 gs_gamenum = gamenum;
3866 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3867 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3868 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3870 if (appData.zippyPlay) {
3871 ZippyGameStart(whitename, blackname);
3874 partnerBoardValid = FALSE; // [HGM] bughouse
3878 /* Game end messages */
3879 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3880 ics_gamenum != gamenum) {
3883 while (endtoken[0] == ' ') endtoken++;
3884 switch (endtoken[0]) {
3887 endtype = GameUnfinished;
3890 endtype = BlackWins;
3893 if (endtoken[1] == '/')
3894 endtype = GameIsDrawn;
3896 endtype = WhiteWins;
3899 GameEnds(endtype, why, GE_ICS);
3901 if (appData.zippyPlay && first.initDone) {
3902 ZippyGameEnd(endtype, why);
3903 if (first.pr == NoProc) {
3904 /* Start the next process early so that we'll
3905 be ready for the next challenge */
3906 StartChessProgram(&first);
3908 /* Send "new" early, in case this command takes
3909 a long time to finish, so that we'll be ready
3910 for the next challenge. */
3911 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3915 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3919 if (looking_at(buf, &i, "Removing game * from observation") ||
3920 looking_at(buf, &i, "no longer observing game *") ||
3921 looking_at(buf, &i, "Game * (*) has no examiners")) {
3922 if (gameMode == IcsObserving &&
3923 atoi(star_match[0]) == ics_gamenum)
3925 /* icsEngineAnalyze */
3926 if (appData.icsEngineAnalyze) {
3933 ics_user_moved = FALSE;
3938 if (looking_at(buf, &i, "no longer examining game *")) {
3939 if (gameMode == IcsExamining &&
3940 atoi(star_match[0]) == ics_gamenum)
3944 ics_user_moved = FALSE;
3949 /* Advance leftover_start past any newlines we find,
3950 so only partial lines can get reparsed */
3951 if (looking_at(buf, &i, "\n")) {
3952 prevColor = curColor;
3953 if (curColor != ColorNormal) {
3954 if (oldi > next_out) {
3955 SendToPlayer(&buf[next_out], oldi - next_out);
3958 Colorize(ColorNormal, FALSE);
3959 curColor = ColorNormal;
3961 if (started == STARTED_BOARD) {
3962 started = STARTED_NONE;
3963 parse[parse_pos] = NULLCHAR;
3964 ParseBoard12(parse);
3967 /* Send premove here */
3968 if (appData.premove) {
3970 if (currentMove == 0 &&
3971 gameMode == IcsPlayingWhite &&
3972 appData.premoveWhite) {
3973 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3974 if (appData.debugMode)
3975 fprintf(debugFP, "Sending premove:\n");
3977 } else if (currentMove == 1 &&
3978 gameMode == IcsPlayingBlack &&
3979 appData.premoveBlack) {
3980 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3981 if (appData.debugMode)
3982 fprintf(debugFP, "Sending premove:\n");
3984 } else if (gotPremove) {
3986 ClearPremoveHighlights();
3987 if (appData.debugMode)
3988 fprintf(debugFP, "Sending premove:\n");
3989 UserMoveEvent(premoveFromX, premoveFromY,
3990 premoveToX, premoveToY,
3995 /* Usually suppress following prompt */
3996 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3997 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3998 if (looking_at(buf, &i, "*% ")) {
3999 savingComment = FALSE;
4004 } else if (started == STARTED_HOLDINGS) {
4006 char new_piece[MSG_SIZ];
4007 started = STARTED_NONE;
4008 parse[parse_pos] = NULLCHAR;
4009 if (appData.debugMode)
4010 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4011 parse, currentMove);
4012 if (sscanf(parse, " game %d", &gamenum) == 1) {
4013 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4014 if (gameInfo.variant == VariantNormal) {
4015 /* [HGM] We seem to switch variant during a game!
4016 * Presumably no holdings were displayed, so we have
4017 * to move the position two files to the right to
4018 * create room for them!
4020 VariantClass newVariant;
4021 switch(gameInfo.boardWidth) { // base guess on board width
4022 case 9: newVariant = VariantShogi; break;
4023 case 10: newVariant = VariantGreat; break;
4024 default: newVariant = VariantCrazyhouse; break;
4026 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4027 /* Get a move list just to see the header, which
4028 will tell us whether this is really bug or zh */
4029 if (ics_getting_history == H_FALSE) {
4030 ics_getting_history = H_REQUESTED;
4031 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4035 new_piece[0] = NULLCHAR;
4036 sscanf(parse, "game %d white [%s black [%s <- %s",
4037 &gamenum, white_holding, black_holding,
4039 white_holding[strlen(white_holding)-1] = NULLCHAR;
4040 black_holding[strlen(black_holding)-1] = NULLCHAR;
4041 /* [HGM] copy holdings to board holdings area */
4042 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4043 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4044 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4046 if (appData.zippyPlay && first.initDone) {
4047 ZippyHoldings(white_holding, black_holding,
4051 if (tinyLayout || smallLayout) {
4052 char wh[16], bh[16];
4053 PackHolding(wh, white_holding);
4054 PackHolding(bh, black_holding);
4055 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4056 gameInfo.white, gameInfo.black);
4058 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4059 gameInfo.white, white_holding, _("vs."),
4060 gameInfo.black, black_holding);
4062 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4063 DrawPosition(FALSE, boards[currentMove]);
4065 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4066 sscanf(parse, "game %d white [%s black [%s <- %s",
4067 &gamenum, white_holding, black_holding,
4069 white_holding[strlen(white_holding)-1] = NULLCHAR;
4070 black_holding[strlen(black_holding)-1] = NULLCHAR;
4071 /* [HGM] copy holdings to partner-board holdings area */
4072 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4073 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4074 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4075 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4076 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4079 /* Suppress following prompt */
4080 if (looking_at(buf, &i, "*% ")) {
4081 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4082 savingComment = FALSE;
4090 i++; /* skip unparsed character and loop back */
4093 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4094 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4095 // SendToPlayer(&buf[next_out], i - next_out);
4096 started != STARTED_HOLDINGS && leftover_start > next_out) {
4097 SendToPlayer(&buf[next_out], leftover_start - next_out);
4101 leftover_len = buf_len - leftover_start;
4102 /* if buffer ends with something we couldn't parse,
4103 reparse it after appending the next read */
4105 } else if (count == 0) {
4106 RemoveInputSource(isr);
4107 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4109 DisplayFatalError(_("Error reading from ICS"), error, 1);
4114 /* Board style 12 looks like this:
4116 <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
4118 * The "<12> " is stripped before it gets to this routine. The two
4119 * trailing 0's (flip state and clock ticking) are later addition, and
4120 * some chess servers may not have them, or may have only the first.
4121 * Additional trailing fields may be added in the future.
4124 #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"
4126 #define RELATION_OBSERVING_PLAYED 0
4127 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4128 #define RELATION_PLAYING_MYMOVE 1
4129 #define RELATION_PLAYING_NOTMYMOVE -1
4130 #define RELATION_EXAMINING 2
4131 #define RELATION_ISOLATED_BOARD -3
4132 #define RELATION_STARTING_POSITION -4 /* FICS only */
4135 ParseBoard12 (char *string)
4137 GameMode newGameMode;
4138 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4139 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4140 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4141 char to_play, board_chars[200];
4142 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4143 char black[32], white[32];
4145 int prevMove = currentMove;
4148 int fromX, fromY, toX, toY;
4150 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4151 char *bookHit = NULL; // [HGM] book
4152 Boolean weird = FALSE, reqFlag = FALSE;
4154 fromX = fromY = toX = toY = -1;
4158 if (appData.debugMode)
4159 fprintf(debugFP, _("Parsing board: %s\n"), string);
4161 move_str[0] = NULLCHAR;
4162 elapsed_time[0] = NULLCHAR;
4163 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4165 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4166 if(string[i] == ' ') { ranks++; files = 0; }
4168 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4171 for(j = 0; j <i; j++) board_chars[j] = string[j];
4172 board_chars[i] = '\0';
4175 n = sscanf(string, PATTERN, &to_play, &double_push,
4176 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4177 &gamenum, white, black, &relation, &basetime, &increment,
4178 &white_stren, &black_stren, &white_time, &black_time,
4179 &moveNum, str, elapsed_time, move_str, &ics_flip,
4183 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4184 DisplayError(str, 0);
4188 /* Convert the move number to internal form */
4189 moveNum = (moveNum - 1) * 2;
4190 if (to_play == 'B') moveNum++;
4191 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4192 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4198 case RELATION_OBSERVING_PLAYED:
4199 case RELATION_OBSERVING_STATIC:
4200 if (gamenum == -1) {
4201 /* Old ICC buglet */
4202 relation = RELATION_OBSERVING_STATIC;
4204 newGameMode = IcsObserving;
4206 case RELATION_PLAYING_MYMOVE:
4207 case RELATION_PLAYING_NOTMYMOVE:
4209 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4210 IcsPlayingWhite : IcsPlayingBlack;
4212 case RELATION_EXAMINING:
4213 newGameMode = IcsExamining;
4215 case RELATION_ISOLATED_BOARD:
4217 /* Just display this board. If user was doing something else,
4218 we will forget about it until the next board comes. */
4219 newGameMode = IcsIdle;
4221 case RELATION_STARTING_POSITION:
4222 newGameMode = gameMode;
4226 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4227 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4228 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4230 for (k = 0; k < ranks; k++) {
4231 for (j = 0; j < files; j++)
4232 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4233 if(gameInfo.holdingsWidth > 1) {
4234 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4235 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4238 CopyBoard(partnerBoard, board);
4239 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4240 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4241 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4242 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4243 if(toSqr = strchr(str, '-')) {
4244 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4245 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4246 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4247 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4248 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4249 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4250 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4251 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4252 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4253 DisplayMessage(partnerStatus, "");
4254 partnerBoardValid = TRUE;
4258 /* Modify behavior for initial board display on move listing
4261 switch (ics_getting_history) {
4265 case H_GOT_REQ_HEADER:
4266 case H_GOT_UNREQ_HEADER:
4267 /* This is the initial position of the current game */
4268 gamenum = ics_gamenum;
4269 moveNum = 0; /* old ICS bug workaround */
4270 if (to_play == 'B') {
4271 startedFromSetupPosition = TRUE;
4272 blackPlaysFirst = TRUE;
4274 if (forwardMostMove == 0) forwardMostMove = 1;
4275 if (backwardMostMove == 0) backwardMostMove = 1;
4276 if (currentMove == 0) currentMove = 1;
4278 newGameMode = gameMode;
4279 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4281 case H_GOT_UNWANTED_HEADER:
4282 /* This is an initial board that we don't want */
4284 case H_GETTING_MOVES:
4285 /* Should not happen */
4286 DisplayError(_("Error gathering move list: extra board"), 0);
4287 ics_getting_history = H_FALSE;
4291 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4292 weird && (int)gameInfo.variant < (int)VariantShogi) {
4293 /* [HGM] We seem to have switched variant unexpectedly
4294 * Try to guess new variant from board size
4296 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4297 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4298 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4299 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4300 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4301 if(!weird) newVariant = VariantNormal;
4302 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4303 /* Get a move list just to see the header, which
4304 will tell us whether this is really bug or zh */
4305 if (ics_getting_history == H_FALSE) {
4306 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4307 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4312 /* Take action if this is the first board of a new game, or of a
4313 different game than is currently being displayed. */
4314 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4315 relation == RELATION_ISOLATED_BOARD) {
4317 /* Forget the old game and get the history (if any) of the new one */
4318 if (gameMode != BeginningOfGame) {
4322 if (appData.autoRaiseBoard) BoardToTop();
4324 if (gamenum == -1) {
4325 newGameMode = IcsIdle;
4326 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4327 appData.getMoveList && !reqFlag) {
4328 /* Need to get game history */
4329 ics_getting_history = H_REQUESTED;
4330 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4334 /* Initially flip the board to have black on the bottom if playing
4335 black or if the ICS flip flag is set, but let the user change
4336 it with the Flip View button. */
4337 flipView = appData.autoFlipView ?
4338 (newGameMode == IcsPlayingBlack) || ics_flip :
4341 /* Done with values from previous mode; copy in new ones */
4342 gameMode = newGameMode;
4344 ics_gamenum = gamenum;
4345 if (gamenum == gs_gamenum) {
4346 int klen = strlen(gs_kind);
4347 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4348 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4349 gameInfo.event = StrSave(str);
4351 gameInfo.event = StrSave("ICS game");
4353 gameInfo.site = StrSave(appData.icsHost);
4354 gameInfo.date = PGNDate();
4355 gameInfo.round = StrSave("-");
4356 gameInfo.white = StrSave(white);
4357 gameInfo.black = StrSave(black);
4358 timeControl = basetime * 60 * 1000;
4360 timeIncrement = increment * 1000;
4361 movesPerSession = 0;
4362 gameInfo.timeControl = TimeControlTagValue();
4363 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4364 if (appData.debugMode) {
4365 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4366 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4367 setbuf(debugFP, NULL);
4370 gameInfo.outOfBook = NULL;
4372 /* Do we have the ratings? */
4373 if (strcmp(player1Name, white) == 0 &&
4374 strcmp(player2Name, black) == 0) {
4375 if (appData.debugMode)
4376 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4377 player1Rating, player2Rating);
4378 gameInfo.whiteRating = player1Rating;
4379 gameInfo.blackRating = player2Rating;
4380 } else if (strcmp(player2Name, white) == 0 &&
4381 strcmp(player1Name, black) == 0) {
4382 if (appData.debugMode)
4383 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4384 player2Rating, player1Rating);
4385 gameInfo.whiteRating = player2Rating;
4386 gameInfo.blackRating = player1Rating;
4388 player1Name[0] = player2Name[0] = NULLCHAR;
4390 /* Silence shouts if requested */
4391 if (appData.quietPlay &&
4392 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4393 SendToICS(ics_prefix);
4394 SendToICS("set shout 0\n");
4398 /* Deal with midgame name changes */
4400 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4401 if (gameInfo.white) free(gameInfo.white);
4402 gameInfo.white = StrSave(white);
4404 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4405 if (gameInfo.black) free(gameInfo.black);
4406 gameInfo.black = StrSave(black);
4410 /* Throw away game result if anything actually changes in examine mode */
4411 if (gameMode == IcsExamining && !newGame) {
4412 gameInfo.result = GameUnfinished;
4413 if (gameInfo.resultDetails != NULL) {
4414 free(gameInfo.resultDetails);
4415 gameInfo.resultDetails = NULL;
4419 /* In pausing && IcsExamining mode, we ignore boards coming
4420 in if they are in a different variation than we are. */
4421 if (pauseExamInvalid) return;
4422 if (pausing && gameMode == IcsExamining) {
4423 if (moveNum <= pauseExamForwardMostMove) {
4424 pauseExamInvalid = TRUE;
4425 forwardMostMove = pauseExamForwardMostMove;
4430 if (appData.debugMode) {
4431 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4433 /* Parse the board */
4434 for (k = 0; k < ranks; k++) {
4435 for (j = 0; j < files; j++)
4436 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4437 if(gameInfo.holdingsWidth > 1) {
4438 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4439 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4442 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4443 board[5][BOARD_RGHT+1] = WhiteAngel;
4444 board[6][BOARD_RGHT+1] = WhiteMarshall;
4445 board[1][0] = BlackMarshall;
4446 board[2][0] = BlackAngel;
4447 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4449 CopyBoard(boards[moveNum], board);
4450 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4452 startedFromSetupPosition =
4453 !CompareBoards(board, initialPosition);
4454 if(startedFromSetupPosition)
4455 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4458 /* [HGM] Set castling rights. Take the outermost Rooks,
4459 to make it also work for FRC opening positions. Note that board12
4460 is really defective for later FRC positions, as it has no way to
4461 indicate which Rook can castle if they are on the same side of King.
4462 For the initial position we grant rights to the outermost Rooks,
4463 and remember thos rights, and we then copy them on positions
4464 later in an FRC game. This means WB might not recognize castlings with
4465 Rooks that have moved back to their original position as illegal,
4466 but in ICS mode that is not its job anyway.
4468 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4469 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4471 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4472 if(board[0][i] == WhiteRook) j = i;
4473 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4474 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4475 if(board[0][i] == WhiteRook) j = i;
4476 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4477 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4478 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4479 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4480 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4481 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4482 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4484 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4485 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4486 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4487 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4488 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4489 if(board[BOARD_HEIGHT-1][k] == bKing)
4490 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4491 if(gameInfo.variant == VariantTwoKings) {
4492 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4493 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4494 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4497 r = boards[moveNum][CASTLING][0] = initialRights[0];
4498 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4499 r = boards[moveNum][CASTLING][1] = initialRights[1];
4500 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4501 r = boards[moveNum][CASTLING][3] = initialRights[3];
4502 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4503 r = boards[moveNum][CASTLING][4] = initialRights[4];
4504 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4505 /* wildcastle kludge: always assume King has rights */
4506 r = boards[moveNum][CASTLING][2] = initialRights[2];
4507 r = boards[moveNum][CASTLING][5] = initialRights[5];
4509 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4510 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4513 if (ics_getting_history == H_GOT_REQ_HEADER ||
4514 ics_getting_history == H_GOT_UNREQ_HEADER) {
4515 /* This was an initial position from a move list, not
4516 the current position */
4520 /* Update currentMove and known move number limits */
4521 newMove = newGame || moveNum > forwardMostMove;
4524 forwardMostMove = backwardMostMove = currentMove = moveNum;
4525 if (gameMode == IcsExamining && moveNum == 0) {
4526 /* Workaround for ICS limitation: we are not told the wild
4527 type when starting to examine a game. But if we ask for
4528 the move list, the move list header will tell us */
4529 ics_getting_history = H_REQUESTED;
4530 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4533 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4534 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4536 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4537 /* [HGM] applied this also to an engine that is silently watching */
4538 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4539 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4540 gameInfo.variant == currentlyInitializedVariant) {
4541 takeback = forwardMostMove - moveNum;
4542 for (i = 0; i < takeback; i++) {
4543 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4544 SendToProgram("undo\n", &first);
4549 forwardMostMove = moveNum;
4550 if (!pausing || currentMove > forwardMostMove)
4551 currentMove = forwardMostMove;
4553 /* New part of history that is not contiguous with old part */
4554 if (pausing && gameMode == IcsExamining) {
4555 pauseExamInvalid = TRUE;
4556 forwardMostMove = pauseExamForwardMostMove;
4559 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4561 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4562 // [HGM] when we will receive the move list we now request, it will be
4563 // fed to the engine from the first move on. So if the engine is not
4564 // in the initial position now, bring it there.
4565 InitChessProgram(&first, 0);
4568 ics_getting_history = H_REQUESTED;
4569 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4572 forwardMostMove = backwardMostMove = currentMove = moveNum;
4575 /* Update the clocks */
4576 if (strchr(elapsed_time, '.')) {
4578 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4579 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4581 /* Time is in seconds */
4582 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4583 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4588 if (appData.zippyPlay && newGame &&
4589 gameMode != IcsObserving && gameMode != IcsIdle &&
4590 gameMode != IcsExamining)
4591 ZippyFirstBoard(moveNum, basetime, increment);
4594 /* Put the move on the move list, first converting
4595 to canonical algebraic form. */
4597 if (appData.debugMode) {
4598 if (appData.debugMode) { int f = forwardMostMove;
4599 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4600 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4601 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4603 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4604 fprintf(debugFP, "moveNum = %d\n", moveNum);
4605 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4606 setbuf(debugFP, NULL);
4608 if (moveNum <= backwardMostMove) {
4609 /* We don't know what the board looked like before
4611 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4612 strcat(parseList[moveNum - 1], " ");
4613 strcat(parseList[moveNum - 1], elapsed_time);
4614 moveList[moveNum - 1][0] = NULLCHAR;
4615 } else if (strcmp(move_str, "none") == 0) {
4616 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4617 /* Again, we don't know what the board looked like;
4618 this is really the start of the game. */
4619 parseList[moveNum - 1][0] = NULLCHAR;
4620 moveList[moveNum - 1][0] = NULLCHAR;
4621 backwardMostMove = moveNum;
4622 startedFromSetupPosition = TRUE;
4623 fromX = fromY = toX = toY = -1;
4625 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4626 // So we parse the long-algebraic move string in stead of the SAN move
4627 int valid; char buf[MSG_SIZ], *prom;
4629 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4630 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4631 // str looks something like "Q/a1-a2"; kill the slash
4633 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4634 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4635 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4636 strcat(buf, prom); // long move lacks promo specification!
4637 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4638 if(appData.debugMode)
4639 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4640 safeStrCpy(move_str, buf, MSG_SIZ);
4642 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4643 &fromX, &fromY, &toX, &toY, &promoChar)
4644 || ParseOneMove(buf, moveNum - 1, &moveType,
4645 &fromX, &fromY, &toX, &toY, &promoChar);
4646 // end of long SAN patch
4648 (void) CoordsToAlgebraic(boards[moveNum - 1],
4649 PosFlags(moveNum - 1),
4650 fromY, fromX, toY, toX, promoChar,
4651 parseList[moveNum-1]);
4652 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4658 if(gameInfo.variant != VariantShogi)
4659 strcat(parseList[moveNum - 1], "+");
4662 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4663 strcat(parseList[moveNum - 1], "#");
4666 strcat(parseList[moveNum - 1], " ");
4667 strcat(parseList[moveNum - 1], elapsed_time);
4668 /* currentMoveString is set as a side-effect of ParseOneMove */
4669 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4670 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4671 strcat(moveList[moveNum - 1], "\n");
4673 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4674 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4675 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4676 ChessSquare old, new = boards[moveNum][k][j];
4677 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4678 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4679 if(old == new) continue;
4680 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4681 else if(new == WhiteWazir || new == BlackWazir) {
4682 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4683 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4684 else boards[moveNum][k][j] = old; // preserve type of Gold
4685 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4686 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4689 /* Move from ICS was illegal!? Punt. */
4690 if (appData.debugMode) {
4691 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4692 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4694 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4695 strcat(parseList[moveNum - 1], " ");
4696 strcat(parseList[moveNum - 1], elapsed_time);
4697 moveList[moveNum - 1][0] = NULLCHAR;
4698 fromX = fromY = toX = toY = -1;
4701 if (appData.debugMode) {
4702 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4703 setbuf(debugFP, NULL);
4707 /* Send move to chess program (BEFORE animating it). */
4708 if (appData.zippyPlay && !newGame && newMove &&
4709 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4711 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4712 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4713 if (moveList[moveNum - 1][0] == NULLCHAR) {
4714 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4716 DisplayError(str, 0);
4718 if (first.sendTime) {
4719 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4721 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4722 if (firstMove && !bookHit) {
4724 if (first.useColors) {
4725 SendToProgram(gameMode == IcsPlayingWhite ?
4727 "black\ngo\n", &first);
4729 SendToProgram("go\n", &first);
4731 first.maybeThinking = TRUE;
4734 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4735 if (moveList[moveNum - 1][0] == NULLCHAR) {
4736 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4737 DisplayError(str, 0);
4739 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4740 SendMoveToProgram(moveNum - 1, &first);
4747 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4748 /* If move comes from a remote source, animate it. If it
4749 isn't remote, it will have already been animated. */
4750 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4751 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4753 if (!pausing && appData.highlightLastMove) {
4754 SetHighlights(fromX, fromY, toX, toY);
4758 /* Start the clocks */
4759 whiteFlag = blackFlag = FALSE;
4760 appData.clockMode = !(basetime == 0 && increment == 0);
4762 ics_clock_paused = TRUE;
4764 } else if (ticking == 1) {
4765 ics_clock_paused = FALSE;
4767 if (gameMode == IcsIdle ||
4768 relation == RELATION_OBSERVING_STATIC ||
4769 relation == RELATION_EXAMINING ||
4771 DisplayBothClocks();
4775 /* Display opponents and material strengths */
4776 if (gameInfo.variant != VariantBughouse &&
4777 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4778 if (tinyLayout || smallLayout) {
4779 if(gameInfo.variant == VariantNormal)
4780 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4781 gameInfo.white, white_stren, gameInfo.black, black_stren,
4782 basetime, increment);
4784 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4785 gameInfo.white, white_stren, gameInfo.black, black_stren,
4786 basetime, increment, (int) gameInfo.variant);
4788 if(gameInfo.variant == VariantNormal)
4789 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4790 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4791 basetime, increment);
4793 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4794 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4795 basetime, increment, VariantName(gameInfo.variant));
4798 if (appData.debugMode) {
4799 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4804 /* Display the board */
4805 if (!pausing && !appData.noGUI) {
4807 if (appData.premove)
4809 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4810 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4811 ClearPremoveHighlights();
4813 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4814 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4815 DrawPosition(j, boards[currentMove]);
4817 DisplayMove(moveNum - 1);
4818 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4819 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4820 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4821 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4825 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4827 if(bookHit) { // [HGM] book: simulate book reply
4828 static char bookMove[MSG_SIZ]; // a bit generous?
4830 programStats.nodes = programStats.depth = programStats.time =
4831 programStats.score = programStats.got_only_move = 0;
4832 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4834 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4835 strcat(bookMove, bookHit);
4836 HandleMachineMove(bookMove, &first);
4845 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4846 ics_getting_history = H_REQUESTED;
4847 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4853 AnalysisPeriodicEvent (int force)
4855 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4856 && !force) || !appData.periodicUpdates)
4859 /* Send . command to Crafty to collect stats */
4860 SendToProgram(".\n", &first);
4862 /* Don't send another until we get a response (this makes
4863 us stop sending to old Crafty's which don't understand
4864 the "." command (sending illegal cmds resets node count & time,
4865 which looks bad)) */
4866 programStats.ok_to_send = 0;
4870 ics_update_width (int new_width)
4872 ics_printf("set width %d\n", new_width);
4876 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4880 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4881 // null move in variant where engine does not understand it (for analysis purposes)
4882 SendBoard(cps, moveNum + 1); // send position after move in stead.
4885 if (cps->useUsermove) {
4886 SendToProgram("usermove ", cps);
4890 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4891 int len = space - parseList[moveNum];
4892 memcpy(buf, parseList[moveNum], len);
4894 buf[len] = NULLCHAR;
4896 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4898 SendToProgram(buf, cps);
4900 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4901 AlphaRank(moveList[moveNum], 4);
4902 SendToProgram(moveList[moveNum], cps);
4903 AlphaRank(moveList[moveNum], 4); // and back
4905 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4906 * the engine. It would be nice to have a better way to identify castle
4908 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4909 && cps->useOOCastle) {
4910 int fromX = moveList[moveNum][0] - AAA;
4911 int fromY = moveList[moveNum][1] - ONE;
4912 int toX = moveList[moveNum][2] - AAA;
4913 int toY = moveList[moveNum][3] - ONE;
4914 if((boards[moveNum][fromY][fromX] == WhiteKing
4915 && boards[moveNum][toY][toX] == WhiteRook)
4916 || (boards[moveNum][fromY][fromX] == BlackKing
4917 && boards[moveNum][toY][toX] == BlackRook)) {
4918 if(toX > fromX) SendToProgram("O-O\n", cps);
4919 else SendToProgram("O-O-O\n", cps);
4921 else SendToProgram(moveList[moveNum], cps);
4923 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4924 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4925 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4926 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4927 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4929 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4930 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4931 SendToProgram(buf, cps);
4933 else SendToProgram(moveList[moveNum], cps);
4934 /* End of additions by Tord */
4937 /* [HGM] setting up the opening has brought engine in force mode! */
4938 /* Send 'go' if we are in a mode where machine should play. */
4939 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4940 (gameMode == TwoMachinesPlay ||
4942 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4944 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4945 SendToProgram("go\n", cps);
4946 if (appData.debugMode) {
4947 fprintf(debugFP, "(extra)\n");
4950 setboardSpoiledMachineBlack = 0;
4954 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
4956 char user_move[MSG_SIZ];
4959 if(gameInfo.variant == VariantSChess && promoChar) {
4960 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4961 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4962 } else suffix[0] = NULLCHAR;
4966 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4967 (int)moveType, fromX, fromY, toX, toY);
4968 DisplayError(user_move + strlen("say "), 0);
4970 case WhiteKingSideCastle:
4971 case BlackKingSideCastle:
4972 case WhiteQueenSideCastleWild:
4973 case BlackQueenSideCastleWild:
4975 case WhiteHSideCastleFR:
4976 case BlackHSideCastleFR:
4978 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4980 case WhiteQueenSideCastle:
4981 case BlackQueenSideCastle:
4982 case WhiteKingSideCastleWild:
4983 case BlackKingSideCastleWild:
4985 case WhiteASideCastleFR:
4986 case BlackASideCastleFR:
4988 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
4990 case WhiteNonPromotion:
4991 case BlackNonPromotion:
4992 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4994 case WhitePromotion:
4995 case BlackPromotion:
4996 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4997 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4998 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4999 PieceToChar(WhiteFerz));
5000 else if(gameInfo.variant == VariantGreat)
5001 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5002 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5003 PieceToChar(WhiteMan));
5005 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5006 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5012 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5013 ToUpper(PieceToChar((ChessSquare) fromX)),
5014 AAA + toX, ONE + toY);
5016 case IllegalMove: /* could be a variant we don't quite understand */
5017 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5019 case WhiteCapturesEnPassant:
5020 case BlackCapturesEnPassant:
5021 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5022 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5025 SendToICS(user_move);
5026 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5027 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5032 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5033 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5034 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5035 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5036 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5039 if(gameMode != IcsExamining) { // is this ever not the case?
5040 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5042 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5043 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5044 } else { // on FICS we must first go to general examine mode
5045 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5047 if(gameInfo.variant != VariantNormal) {
5048 // try figure out wild number, as xboard names are not always valid on ICS
5049 for(i=1; i<=36; i++) {
5050 snprintf(buf, MSG_SIZ, "wild/%d", i);
5051 if(StringToVariant(buf) == gameInfo.variant) break;
5053 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5054 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5055 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5056 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5057 SendToICS(ics_prefix);
5059 if(startedFromSetupPosition || backwardMostMove != 0) {
5060 fen = PositionToFEN(backwardMostMove, NULL);
5061 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5062 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5064 } else { // FICS: everything has to set by separate bsetup commands
5065 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5066 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5068 if(!WhiteOnMove(backwardMostMove)) {
5069 SendToICS("bsetup tomove black\n");
5071 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5072 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5074 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5075 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5077 i = boards[backwardMostMove][EP_STATUS];
5078 if(i >= 0) { // set e.p.
5079 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5085 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5086 SendToICS("bsetup done\n"); // switch to normal examining.
5088 for(i = backwardMostMove; i<last; i++) {
5090 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5093 SendToICS(ics_prefix);
5094 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5098 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5100 if (rf == DROP_RANK) {
5101 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5102 sprintf(move, "%c@%c%c\n",
5103 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5105 if (promoChar == 'x' || promoChar == NULLCHAR) {
5106 sprintf(move, "%c%c%c%c\n",
5107 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5109 sprintf(move, "%c%c%c%c%c\n",
5110 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5116 ProcessICSInitScript (FILE *f)
5120 while (fgets(buf, MSG_SIZ, f)) {
5121 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5128 static int lastX, lastY, selectFlag, dragging;
5133 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5134 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5135 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5136 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5137 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5138 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5141 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5142 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5143 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5144 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5145 if(!step) step = -1;
5146 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5147 appData.testLegality && (promoSweep == king ||
5148 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5149 ChangeDragPiece(promoSweep);
5153 PromoScroll (int x, int y)
5157 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5158 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5159 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5160 if(!step) return FALSE;
5161 lastX = x; lastY = y;
5162 if((promoSweep < BlackPawn) == flipView) step = -step;
5163 if(step > 0) selectFlag = 1;
5164 if(!selectFlag) Sweep(step);
5169 NextPiece (int step)
5171 ChessSquare piece = boards[currentMove][toY][toX];
5174 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5175 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5176 if(!step) step = -1;
5177 } while(PieceToChar(pieceSweep) == '.');
5178 boards[currentMove][toY][toX] = pieceSweep;
5179 DrawPosition(FALSE, boards[currentMove]);
5180 boards[currentMove][toY][toX] = piece;
5182 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5184 AlphaRank (char *move, int n)
5186 // char *p = move, c; int x, y;
5188 if (appData.debugMode) {
5189 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5193 move[2]>='0' && move[2]<='9' &&
5194 move[3]>='a' && move[3]<='x' ) {
5196 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5197 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5199 if(move[0]>='0' && move[0]<='9' &&
5200 move[1]>='a' && move[1]<='x' &&
5201 move[2]>='0' && move[2]<='9' &&
5202 move[3]>='a' && move[3]<='x' ) {
5203 /* input move, Shogi -> normal */
5204 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5205 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5206 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5207 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5210 move[3]>='0' && move[3]<='9' &&
5211 move[2]>='a' && move[2]<='x' ) {
5213 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5214 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5217 move[0]>='a' && move[0]<='x' &&
5218 move[3]>='0' && move[3]<='9' &&
5219 move[2]>='a' && move[2]<='x' ) {
5220 /* output move, normal -> Shogi */
5221 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5222 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5223 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5224 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5225 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5227 if (appData.debugMode) {
5228 fprintf(debugFP, " out = '%s'\n", move);
5232 char yy_textstr[8000];
5234 /* Parser for moves from gnuchess, ICS, or user typein box */
5236 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5238 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5240 switch (*moveType) {
5241 case WhitePromotion:
5242 case BlackPromotion:
5243 case WhiteNonPromotion:
5244 case BlackNonPromotion:
5246 case WhiteCapturesEnPassant:
5247 case BlackCapturesEnPassant:
5248 case WhiteKingSideCastle:
5249 case WhiteQueenSideCastle:
5250 case BlackKingSideCastle:
5251 case BlackQueenSideCastle:
5252 case WhiteKingSideCastleWild:
5253 case WhiteQueenSideCastleWild:
5254 case BlackKingSideCastleWild:
5255 case BlackQueenSideCastleWild:
5256 /* Code added by Tord: */
5257 case WhiteHSideCastleFR:
5258 case WhiteASideCastleFR:
5259 case BlackHSideCastleFR:
5260 case BlackASideCastleFR:
5261 /* End of code added by Tord */
5262 case IllegalMove: /* bug or odd chess variant */
5263 *fromX = currentMoveString[0] - AAA;
5264 *fromY = currentMoveString[1] - ONE;
5265 *toX = currentMoveString[2] - AAA;
5266 *toY = currentMoveString[3] - ONE;
5267 *promoChar = currentMoveString[4];
5268 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5269 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5270 if (appData.debugMode) {
5271 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5273 *fromX = *fromY = *toX = *toY = 0;
5276 if (appData.testLegality) {
5277 return (*moveType != IllegalMove);
5279 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5280 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5285 *fromX = *moveType == WhiteDrop ?
5286 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5287 (int) CharToPiece(ToLower(currentMoveString[0]));
5289 *toX = currentMoveString[2] - AAA;
5290 *toY = currentMoveString[3] - ONE;
5291 *promoChar = NULLCHAR;
5295 case ImpossibleMove:
5305 if (appData.debugMode) {
5306 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5309 *fromX = *fromY = *toX = *toY = 0;
5310 *promoChar = NULLCHAR;
5315 Boolean pushed = FALSE;
5316 char *lastParseAttempt;
5319 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5320 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5321 int fromX, fromY, toX, toY; char promoChar;
5326 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5327 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5330 endPV = forwardMostMove;
5332 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5333 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5334 lastParseAttempt = pv;
5335 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5336 if(!valid && nr == 0 &&
5337 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5338 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5339 // Hande case where played move is different from leading PV move
5340 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5341 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5342 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5343 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5344 endPV += 2; // if position different, keep this
5345 moveList[endPV-1][0] = fromX + AAA;
5346 moveList[endPV-1][1] = fromY + ONE;
5347 moveList[endPV-1][2] = toX + AAA;
5348 moveList[endPV-1][3] = toY + ONE;
5349 parseList[endPV-1][0] = NULLCHAR;
5350 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5353 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5354 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5355 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5356 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5357 valid++; // allow comments in PV
5361 if(endPV+1 > framePtr) break; // no space, truncate
5364 CopyBoard(boards[endPV], boards[endPV-1]);
5365 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5366 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5367 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5368 CoordsToAlgebraic(boards[endPV - 1],
5369 PosFlags(endPV - 1),
5370 fromY, fromX, toY, toX, promoChar,
5371 parseList[endPV - 1]);
5373 if(atEnd == 2) return; // used hidden, for PV conversion
5374 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5375 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5376 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5377 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5378 DrawPosition(TRUE, boards[currentMove]);
5382 MultiPV (ChessProgramState *cps)
5383 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5385 for(i=0; i<cps->nrOptions; i++)
5386 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5392 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5394 int startPV, multi, lineStart, origIndex = index;
5395 char *p, buf2[MSG_SIZ];
5397 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5398 lastX = x; lastY = y;
5399 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5400 lineStart = startPV = index;
5401 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5402 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5404 do{ while(buf[index] && buf[index] != '\n') index++;
5405 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5407 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5408 int n = first.option[multi].value;
5409 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5410 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5411 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5412 first.option[multi].value = n;
5416 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5417 *start = startPV; *end = index-1;
5424 static char buf[10*MSG_SIZ];
5425 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5427 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5428 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5429 for(i = forwardMostMove; i<endPV; i++){
5430 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5431 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5434 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5435 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5441 LoadPV (int x, int y)
5442 { // called on right mouse click to load PV
5443 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5444 lastX = x; lastY = y;
5445 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5452 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5453 if(endPV < 0) return;
5454 if(appData.autoCopyPV) CopyFENToClipboard();
5456 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5457 Boolean saveAnimate = appData.animate;
5459 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5460 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5461 } else storedGames--; // abandon shelved tail of original game
5464 forwardMostMove = currentMove;
5465 currentMove = oldFMM;
5466 appData.animate = FALSE;
5467 ToNrEvent(forwardMostMove);
5468 appData.animate = saveAnimate;
5470 currentMove = forwardMostMove;
5471 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5472 ClearPremoveHighlights();
5473 DrawPosition(TRUE, boards[currentMove]);
5477 MovePV (int x, int y, int h)
5478 { // step through PV based on mouse coordinates (called on mouse move)
5479 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5481 // we must somehow check if right button is still down (might be released off board!)
5482 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5483 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5484 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5486 lastX = x; lastY = y;
5488 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5489 if(endPV < 0) return;
5490 if(y < margin) step = 1; else
5491 if(y > h - margin) step = -1;
5492 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5493 currentMove += step;
5494 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5495 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5496 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5497 DrawPosition(FALSE, boards[currentMove]);
5501 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5502 // All positions will have equal probability, but the current method will not provide a unique
5503 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5509 int piecesLeft[(int)BlackPawn];
5510 int seed, nrOfShuffles;
5513 GetPositionNumber ()
5514 { // sets global variable seed
5517 seed = appData.defaultFrcPosition;
5518 if(seed < 0) { // randomize based on time for negative FRC position numbers
5519 for(i=0; i<50; i++) seed += random();
5520 seed = random() ^ random() >> 8 ^ random() << 8;
5521 if(seed<0) seed = -seed;
5526 put (Board board, int pieceType, int rank, int n, int shade)
5527 // put the piece on the (n-1)-th empty squares of the given shade
5531 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5532 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5533 board[rank][i] = (ChessSquare) pieceType;
5534 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5536 piecesLeft[pieceType]--;
5545 AddOnePiece (Board board, int pieceType, int rank, int shade)
5546 // calculate where the next piece goes, (any empty square), and put it there
5550 i = seed % squaresLeft[shade];
5551 nrOfShuffles *= squaresLeft[shade];
5552 seed /= squaresLeft[shade];
5553 put(board, pieceType, rank, i, shade);
5557 AddTwoPieces (Board board, int pieceType, int rank)
5558 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5560 int i, n=squaresLeft[ANY], j=n-1, k;
5562 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5563 i = seed % k; // pick one
5566 while(i >= j) i -= j--;
5567 j = n - 1 - j; i += j;
5568 put(board, pieceType, rank, j, ANY);
5569 put(board, pieceType, rank, i, ANY);
5573 SetUpShuffle (Board board, int number)
5577 GetPositionNumber(); nrOfShuffles = 1;
5579 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5580 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5581 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5583 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5585 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5586 p = (int) board[0][i];
5587 if(p < (int) BlackPawn) piecesLeft[p] ++;
5588 board[0][i] = EmptySquare;
5591 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5592 // shuffles restricted to allow normal castling put KRR first
5593 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5594 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5595 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5596 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5597 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5598 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5599 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5600 put(board, WhiteRook, 0, 0, ANY);
5601 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5604 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5605 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5606 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5607 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5608 while(piecesLeft[p] >= 2) {
5609 AddOnePiece(board, p, 0, LITE);
5610 AddOnePiece(board, p, 0, DARK);
5612 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5615 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5616 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5617 // but we leave King and Rooks for last, to possibly obey FRC restriction
5618 if(p == (int)WhiteRook) continue;
5619 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5620 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5623 // now everything is placed, except perhaps King (Unicorn) and Rooks
5625 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5626 // Last King gets castling rights
5627 while(piecesLeft[(int)WhiteUnicorn]) {
5628 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5629 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5632 while(piecesLeft[(int)WhiteKing]) {
5633 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5634 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5639 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5640 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5643 // Only Rooks can be left; simply place them all
5644 while(piecesLeft[(int)WhiteRook]) {
5645 i = put(board, WhiteRook, 0, 0, ANY);
5646 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5649 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5651 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5654 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5655 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5658 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5662 SetCharTable (char *table, const char * map)
5663 /* [HGM] moved here from winboard.c because of its general usefulness */
5664 /* Basically a safe strcpy that uses the last character as King */
5666 int result = FALSE; int NrPieces;
5668 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5669 && NrPieces >= 12 && !(NrPieces&1)) {
5670 int i; /* [HGM] Accept even length from 12 to 34 */
5672 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5673 for( i=0; i<NrPieces/2-1; i++ ) {
5675 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5677 table[(int) WhiteKing] = map[NrPieces/2-1];
5678 table[(int) BlackKing] = map[NrPieces-1];
5687 Prelude (Board board)
5688 { // [HGM] superchess: random selection of exo-pieces
5689 int i, j, k; ChessSquare p;
5690 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5692 GetPositionNumber(); // use FRC position number
5694 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5695 SetCharTable(pieceToChar, appData.pieceToCharTable);
5696 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5697 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5700 j = seed%4; seed /= 4;
5701 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5702 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5703 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5704 j = seed%3 + (seed%3 >= j); seed /= 3;
5705 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5706 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5707 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5708 j = seed%3; seed /= 3;
5709 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5710 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5711 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5712 j = seed%2 + (seed%2 >= j); seed /= 2;
5713 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5714 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5715 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5716 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5717 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5718 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5719 put(board, exoPieces[0], 0, 0, ANY);
5720 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5724 InitPosition (int redraw)
5726 ChessSquare (* pieces)[BOARD_FILES];
5727 int i, j, pawnRow, overrule,
5728 oldx = gameInfo.boardWidth,
5729 oldy = gameInfo.boardHeight,
5730 oldh = gameInfo.holdingsWidth;
5733 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5735 /* [AS] Initialize pv info list [HGM] and game status */
5737 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5738 pvInfoList[i].depth = 0;
5739 boards[i][EP_STATUS] = EP_NONE;
5740 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5743 initialRulePlies = 0; /* 50-move counter start */
5745 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5746 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5750 /* [HGM] logic here is completely changed. In stead of full positions */
5751 /* the initialized data only consist of the two backranks. The switch */
5752 /* selects which one we will use, which is than copied to the Board */
5753 /* initialPosition, which for the rest is initialized by Pawns and */
5754 /* empty squares. This initial position is then copied to boards[0], */
5755 /* possibly after shuffling, so that it remains available. */
5757 gameInfo.holdingsWidth = 0; /* default board sizes */
5758 gameInfo.boardWidth = 8;
5759 gameInfo.boardHeight = 8;
5760 gameInfo.holdingsSize = 0;
5761 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5762 for(i=0; i<BOARD_FILES-2; i++)
5763 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5764 initialPosition[EP_STATUS] = EP_NONE;
5765 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5766 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5767 SetCharTable(pieceNickName, appData.pieceNickNames);
5768 else SetCharTable(pieceNickName, "............");
5771 switch (gameInfo.variant) {
5772 case VariantFischeRandom:
5773 shuffleOpenings = TRUE;
5776 case VariantShatranj:
5777 pieces = ShatranjArray;
5778 nrCastlingRights = 0;
5779 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5782 pieces = makrukArray;
5783 nrCastlingRights = 0;
5784 startedFromSetupPosition = TRUE;
5785 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5787 case VariantTwoKings:
5788 pieces = twoKingsArray;
5791 pieces = GrandArray;
5792 nrCastlingRights = 0;
5793 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5794 gameInfo.boardWidth = 10;
5795 gameInfo.boardHeight = 10;
5796 gameInfo.holdingsSize = 7;
5798 case VariantCapaRandom:
5799 shuffleOpenings = TRUE;
5800 case VariantCapablanca:
5801 pieces = CapablancaArray;
5802 gameInfo.boardWidth = 10;
5803 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5806 pieces = GothicArray;
5807 gameInfo.boardWidth = 10;
5808 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5811 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5812 gameInfo.holdingsSize = 7;
5815 pieces = JanusArray;
5816 gameInfo.boardWidth = 10;
5817 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5818 nrCastlingRights = 6;
5819 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5820 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5821 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5822 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5823 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5824 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5827 pieces = FalconArray;
5828 gameInfo.boardWidth = 10;
5829 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5831 case VariantXiangqi:
5832 pieces = XiangqiArray;
5833 gameInfo.boardWidth = 9;
5834 gameInfo.boardHeight = 10;
5835 nrCastlingRights = 0;
5836 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5839 pieces = ShogiArray;
5840 gameInfo.boardWidth = 9;
5841 gameInfo.boardHeight = 9;
5842 gameInfo.holdingsSize = 7;
5843 nrCastlingRights = 0;
5844 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5846 case VariantCourier:
5847 pieces = CourierArray;
5848 gameInfo.boardWidth = 12;
5849 nrCastlingRights = 0;
5850 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5852 case VariantKnightmate:
5853 pieces = KnightmateArray;
5854 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5856 case VariantSpartan:
5857 pieces = SpartanArray;
5858 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5861 pieces = fairyArray;
5862 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5865 pieces = GreatArray;
5866 gameInfo.boardWidth = 10;
5867 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5868 gameInfo.holdingsSize = 8;
5872 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5873 gameInfo.holdingsSize = 8;
5874 startedFromSetupPosition = TRUE;
5876 case VariantCrazyhouse:
5877 case VariantBughouse:
5879 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5880 gameInfo.holdingsSize = 5;
5882 case VariantWildCastle:
5884 /* !!?shuffle with kings guaranteed to be on d or e file */
5885 shuffleOpenings = 1;
5887 case VariantNoCastle:
5889 nrCastlingRights = 0;
5890 /* !!?unconstrained back-rank shuffle */
5891 shuffleOpenings = 1;
5896 if(appData.NrFiles >= 0) {
5897 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5898 gameInfo.boardWidth = appData.NrFiles;
5900 if(appData.NrRanks >= 0) {
5901 gameInfo.boardHeight = appData.NrRanks;
5903 if(appData.holdingsSize >= 0) {
5904 i = appData.holdingsSize;
5905 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5906 gameInfo.holdingsSize = i;
5908 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5909 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5910 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5912 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5913 if(pawnRow < 1) pawnRow = 1;
5914 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5916 /* User pieceToChar list overrules defaults */
5917 if(appData.pieceToCharTable != NULL)
5918 SetCharTable(pieceToChar, appData.pieceToCharTable);
5920 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5922 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5923 s = (ChessSquare) 0; /* account holding counts in guard band */
5924 for( i=0; i<BOARD_HEIGHT; i++ )
5925 initialPosition[i][j] = s;
5927 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5928 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5929 initialPosition[pawnRow][j] = WhitePawn;
5930 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5931 if(gameInfo.variant == VariantXiangqi) {
5933 initialPosition[pawnRow][j] =
5934 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5935 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5936 initialPosition[2][j] = WhiteCannon;
5937 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5941 if(gameInfo.variant == VariantGrand) {
5942 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5943 initialPosition[0][j] = WhiteRook;
5944 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5947 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5949 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5952 initialPosition[1][j] = WhiteBishop;
5953 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5955 initialPosition[1][j] = WhiteRook;
5956 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5959 if( nrCastlingRights == -1) {
5960 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5961 /* This sets default castling rights from none to normal corners */
5962 /* Variants with other castling rights must set them themselves above */
5963 nrCastlingRights = 6;
5965 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5966 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5967 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5968 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5969 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5970 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5973 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5974 if(gameInfo.variant == VariantGreat) { // promotion commoners
5975 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5976 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5977 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5978 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5980 if( gameInfo.variant == VariantSChess ) {
5981 initialPosition[1][0] = BlackMarshall;
5982 initialPosition[2][0] = BlackAngel;
5983 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5984 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5985 initialPosition[1][1] = initialPosition[2][1] =
5986 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5988 if (appData.debugMode) {
5989 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5991 if(shuffleOpenings) {
5992 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5993 startedFromSetupPosition = TRUE;
5995 if(startedFromPositionFile) {
5996 /* [HGM] loadPos: use PositionFile for every new game */
5997 CopyBoard(initialPosition, filePosition);
5998 for(i=0; i<nrCastlingRights; i++)
5999 initialRights[i] = filePosition[CASTLING][i];
6000 startedFromSetupPosition = TRUE;
6003 CopyBoard(boards[0], initialPosition);
6005 if(oldx != gameInfo.boardWidth ||
6006 oldy != gameInfo.boardHeight ||
6007 oldv != gameInfo.variant ||
6008 oldh != gameInfo.holdingsWidth
6010 InitDrawingSizes(-2 ,0);
6012 oldv = gameInfo.variant;
6014 DrawPosition(TRUE, boards[currentMove]);
6018 SendBoard (ChessProgramState *cps, int moveNum)
6020 char message[MSG_SIZ];
6022 if (cps->useSetboard) {
6023 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6024 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6025 SendToProgram(message, cps);
6030 int i, j, left=0, right=BOARD_WIDTH;
6031 /* Kludge to set black to move, avoiding the troublesome and now
6032 * deprecated "black" command.
6034 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6035 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6037 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6039 SendToProgram("edit\n", cps);
6040 SendToProgram("#\n", cps);
6041 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6042 bp = &boards[moveNum][i][left];
6043 for (j = left; j < right; j++, bp++) {
6044 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6045 if ((int) *bp < (int) BlackPawn) {
6046 if(j == BOARD_RGHT+1)
6047 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6048 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6049 if(message[0] == '+' || message[0] == '~') {
6050 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6051 PieceToChar((ChessSquare)(DEMOTED *bp)),
6054 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6055 message[1] = BOARD_RGHT - 1 - j + '1';
6056 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6058 SendToProgram(message, cps);
6063 SendToProgram("c\n", cps);
6064 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6065 bp = &boards[moveNum][i][left];
6066 for (j = left; j < right; j++, bp++) {
6067 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6068 if (((int) *bp != (int) EmptySquare)
6069 && ((int) *bp >= (int) BlackPawn)) {
6070 if(j == BOARD_LEFT-2)
6071 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6072 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6074 if(message[0] == '+' || message[0] == '~') {
6075 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6076 PieceToChar((ChessSquare)(DEMOTED *bp)),
6079 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6080 message[1] = BOARD_RGHT - 1 - j + '1';
6081 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6083 SendToProgram(message, cps);
6088 SendToProgram(".\n", cps);
6090 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6094 DefaultPromoChoice (int white)
6097 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6098 result = WhiteFerz; // no choice
6099 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6100 result= WhiteKing; // in Suicide Q is the last thing we want
6101 else if(gameInfo.variant == VariantSpartan)
6102 result = white ? WhiteQueen : WhiteAngel;
6103 else result = WhiteQueen;
6104 if(!white) result = WHITE_TO_BLACK result;
6108 static int autoQueen; // [HGM] oneclick
6111 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6113 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6114 /* [HGM] add Shogi promotions */
6115 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6120 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6121 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6123 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6124 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6127 piece = boards[currentMove][fromY][fromX];
6128 if(gameInfo.variant == VariantShogi) {
6129 promotionZoneSize = BOARD_HEIGHT/3;
6130 highestPromotingPiece = (int)WhiteFerz;
6131 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6132 promotionZoneSize = 3;
6135 // Treat Lance as Pawn when it is not representing Amazon
6136 if(gameInfo.variant != VariantSuper) {
6137 if(piece == WhiteLance) piece = WhitePawn; else
6138 if(piece == BlackLance) piece = BlackPawn;
6141 // next weed out all moves that do not touch the promotion zone at all
6142 if((int)piece >= BlackPawn) {
6143 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6145 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6147 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6148 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6151 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6153 // weed out mandatory Shogi promotions
6154 if(gameInfo.variant == VariantShogi) {
6155 if(piece >= BlackPawn) {
6156 if(toY == 0 && piece == BlackPawn ||
6157 toY == 0 && piece == BlackQueen ||
6158 toY <= 1 && piece == BlackKnight) {
6163 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6164 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6165 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6172 // weed out obviously illegal Pawn moves
6173 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6174 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6175 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6176 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6177 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6178 // note we are not allowed to test for valid (non-)capture, due to premove
6181 // we either have a choice what to promote to, or (in Shogi) whether to promote
6182 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6183 *promoChoice = PieceToChar(BlackFerz); // no choice
6186 // no sense asking what we must promote to if it is going to explode...
6187 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6188 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6191 // give caller the default choice even if we will not make it
6192 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6193 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6194 if( sweepSelect && gameInfo.variant != VariantGreat
6195 && gameInfo.variant != VariantGrand
6196 && gameInfo.variant != VariantSuper) return FALSE;
6197 if(autoQueen) return FALSE; // predetermined
6199 // suppress promotion popup on illegal moves that are not premoves
6200 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6201 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6202 if(appData.testLegality && !premove) {
6203 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6204 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6205 if(moveType != WhitePromotion && moveType != BlackPromotion)
6213 InPalace (int row, int column)
6214 { /* [HGM] for Xiangqi */
6215 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6216 column < (BOARD_WIDTH + 4)/2 &&
6217 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6222 PieceForSquare (int x, int y)
6224 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6227 return boards[currentMove][y][x];
6231 OKToStartUserMove (int x, int y)
6233 ChessSquare from_piece;
6236 if (matchMode) return FALSE;
6237 if (gameMode == EditPosition) return TRUE;
6239 if (x >= 0 && y >= 0)
6240 from_piece = boards[currentMove][y][x];
6242 from_piece = EmptySquare;
6244 if (from_piece == EmptySquare) return FALSE;
6246 white_piece = (int)from_piece >= (int)WhitePawn &&
6247 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6251 case TwoMachinesPlay:
6259 case MachinePlaysWhite:
6260 case IcsPlayingBlack:
6261 if (appData.zippyPlay) return FALSE;
6263 DisplayMoveError(_("You are playing Black"));
6268 case MachinePlaysBlack:
6269 case IcsPlayingWhite:
6270 if (appData.zippyPlay) return FALSE;
6272 DisplayMoveError(_("You are playing White"));
6277 case PlayFromGameFile:
6278 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6280 if (!white_piece && WhiteOnMove(currentMove)) {
6281 DisplayMoveError(_("It is White's turn"));
6284 if (white_piece && !WhiteOnMove(currentMove)) {
6285 DisplayMoveError(_("It is Black's turn"));
6288 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6289 /* Editing correspondence game history */
6290 /* Could disallow this or prompt for confirmation */
6295 case BeginningOfGame:
6296 if (appData.icsActive) return FALSE;
6297 if (!appData.noChessProgram) {
6299 DisplayMoveError(_("You are playing White"));
6306 if (!white_piece && WhiteOnMove(currentMove)) {
6307 DisplayMoveError(_("It is White's turn"));
6310 if (white_piece && !WhiteOnMove(currentMove)) {
6311 DisplayMoveError(_("It is Black's turn"));
6320 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6321 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6322 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6323 && gameMode != AnalyzeFile && gameMode != Training) {
6324 DisplayMoveError(_("Displayed position is not current"));
6331 OnlyMove (int *x, int *y, Boolean captures)
6333 DisambiguateClosure cl;
6334 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6336 case MachinePlaysBlack:
6337 case IcsPlayingWhite:
6338 case BeginningOfGame:
6339 if(!WhiteOnMove(currentMove)) return FALSE;
6341 case MachinePlaysWhite:
6342 case IcsPlayingBlack:
6343 if(WhiteOnMove(currentMove)) return FALSE;
6350 cl.pieceIn = EmptySquare;
6355 cl.promoCharIn = NULLCHAR;
6356 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6357 if( cl.kind == NormalMove ||
6358 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6359 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6360 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6367 if(cl.kind != ImpossibleMove) return FALSE;
6368 cl.pieceIn = EmptySquare;
6373 cl.promoCharIn = NULLCHAR;
6374 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6375 if( cl.kind == NormalMove ||
6376 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6377 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6378 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6383 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6389 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6390 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6391 int lastLoadGameUseList = FALSE;
6392 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6393 ChessMove lastLoadGameStart = EndOfFile;
6396 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6399 ChessSquare pdown, pup;
6401 /* Check if the user is playing in turn. This is complicated because we
6402 let the user "pick up" a piece before it is his turn. So the piece he
6403 tried to pick up may have been captured by the time he puts it down!
6404 Therefore we use the color the user is supposed to be playing in this
6405 test, not the color of the piece that is currently on the starting
6406 square---except in EditGame mode, where the user is playing both
6407 sides; fortunately there the capture race can't happen. (It can
6408 now happen in IcsExamining mode, but that's just too bad. The user
6409 will get a somewhat confusing message in that case.)
6414 case TwoMachinesPlay:
6418 /* We switched into a game mode where moves are not accepted,
6419 perhaps while the mouse button was down. */
6422 case MachinePlaysWhite:
6423 /* User is moving for Black */
6424 if (WhiteOnMove(currentMove)) {
6425 DisplayMoveError(_("It is White's turn"));
6430 case MachinePlaysBlack:
6431 /* User is moving for White */
6432 if (!WhiteOnMove(currentMove)) {
6433 DisplayMoveError(_("It is Black's turn"));
6438 case PlayFromGameFile:
6439 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6442 case BeginningOfGame:
6445 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6446 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6447 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6448 /* User is moving for Black */
6449 if (WhiteOnMove(currentMove)) {
6450 DisplayMoveError(_("It is White's turn"));
6454 /* User is moving for White */
6455 if (!WhiteOnMove(currentMove)) {
6456 DisplayMoveError(_("It is Black's turn"));
6462 case IcsPlayingBlack:
6463 /* User is moving for Black */
6464 if (WhiteOnMove(currentMove)) {
6465 if (!appData.premove) {
6466 DisplayMoveError(_("It is White's turn"));
6467 } else if (toX >= 0 && toY >= 0) {
6470 premoveFromX = fromX;
6471 premoveFromY = fromY;
6472 premovePromoChar = promoChar;
6474 if (appData.debugMode)
6475 fprintf(debugFP, "Got premove: fromX %d,"
6476 "fromY %d, toX %d, toY %d\n",
6477 fromX, fromY, toX, toY);
6483 case IcsPlayingWhite:
6484 /* User is moving for White */
6485 if (!WhiteOnMove(currentMove)) {
6486 if (!appData.premove) {
6487 DisplayMoveError(_("It is Black's turn"));
6488 } else if (toX >= 0 && toY >= 0) {
6491 premoveFromX = fromX;
6492 premoveFromY = fromY;
6493 premovePromoChar = promoChar;
6495 if (appData.debugMode)
6496 fprintf(debugFP, "Got premove: fromX %d,"
6497 "fromY %d, toX %d, toY %d\n",
6498 fromX, fromY, toX, toY);
6508 /* EditPosition, empty square, or different color piece;
6509 click-click move is possible */
6510 if (toX == -2 || toY == -2) {
6511 boards[0][fromY][fromX] = EmptySquare;
6512 DrawPosition(FALSE, boards[currentMove]);
6514 } else if (toX >= 0 && toY >= 0) {
6515 boards[0][toY][toX] = boards[0][fromY][fromX];
6516 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6517 if(boards[0][fromY][0] != EmptySquare) {
6518 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6519 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6522 if(fromX == BOARD_RGHT+1) {
6523 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6524 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6525 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6528 boards[0][fromY][fromX] = EmptySquare;
6529 DrawPosition(FALSE, boards[currentMove]);
6535 if(toX < 0 || toY < 0) return;
6536 pdown = boards[currentMove][fromY][fromX];
6537 pup = boards[currentMove][toY][toX];
6539 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6540 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6541 if( pup != EmptySquare ) return;
6542 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6543 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6544 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6545 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6546 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6547 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6548 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6552 /* [HGM] always test for legality, to get promotion info */
6553 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6554 fromY, fromX, toY, toX, promoChar);
6556 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6558 /* [HGM] but possibly ignore an IllegalMove result */
6559 if (appData.testLegality) {
6560 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6561 DisplayMoveError(_("Illegal move"));
6566 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6569 /* Common tail of UserMoveEvent and DropMenuEvent */
6571 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6575 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6576 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6577 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6578 if(WhiteOnMove(currentMove)) {
6579 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6581 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6585 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6586 move type in caller when we know the move is a legal promotion */
6587 if(moveType == NormalMove && promoChar)
6588 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6590 /* [HGM] <popupFix> The following if has been moved here from
6591 UserMoveEvent(). Because it seemed to belong here (why not allow
6592 piece drops in training games?), and because it can only be
6593 performed after it is known to what we promote. */
6594 if (gameMode == Training) {
6595 /* compare the move played on the board to the next move in the
6596 * game. If they match, display the move and the opponent's response.
6597 * If they don't match, display an error message.
6601 CopyBoard(testBoard, boards[currentMove]);
6602 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6604 if (CompareBoards(testBoard, boards[currentMove+1])) {
6605 ForwardInner(currentMove+1);
6607 /* Autoplay the opponent's response.
6608 * if appData.animate was TRUE when Training mode was entered,
6609 * the response will be animated.
6611 saveAnimate = appData.animate;
6612 appData.animate = animateTraining;
6613 ForwardInner(currentMove+1);
6614 appData.animate = saveAnimate;
6616 /* check for the end of the game */
6617 if (currentMove >= forwardMostMove) {
6618 gameMode = PlayFromGameFile;
6620 SetTrainingModeOff();
6621 DisplayInformation(_("End of game"));
6624 DisplayError(_("Incorrect move"), 0);
6629 /* Ok, now we know that the move is good, so we can kill
6630 the previous line in Analysis Mode */
6631 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6632 && currentMove < forwardMostMove) {
6633 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6634 else forwardMostMove = currentMove;
6637 /* If we need the chess program but it's dead, restart it */
6638 ResurrectChessProgram();
6640 /* A user move restarts a paused game*/
6644 thinkOutput[0] = NULLCHAR;
6646 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6648 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6649 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6653 if (gameMode == BeginningOfGame) {
6654 if (appData.noChessProgram) {
6655 gameMode = EditGame;
6659 gameMode = MachinePlaysBlack;
6662 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6664 if (first.sendName) {
6665 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6666 SendToProgram(buf, &first);
6673 /* Relay move to ICS or chess engine */
6674 if (appData.icsActive) {
6675 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6676 gameMode == IcsExamining) {
6677 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6678 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6680 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6682 // also send plain move, in case ICS does not understand atomic claims
6683 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6687 if (first.sendTime && (gameMode == BeginningOfGame ||
6688 gameMode == MachinePlaysWhite ||
6689 gameMode == MachinePlaysBlack)) {
6690 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6692 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6693 // [HGM] book: if program might be playing, let it use book
6694 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6695 first.maybeThinking = TRUE;
6696 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6697 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6698 SendBoard(&first, currentMove+1);
6699 } else SendMoveToProgram(forwardMostMove-1, &first);
6700 if (currentMove == cmailOldMove + 1) {
6701 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6705 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6709 if(appData.testLegality)
6710 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6716 if (WhiteOnMove(currentMove)) {
6717 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6719 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6723 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6728 case MachinePlaysBlack:
6729 case MachinePlaysWhite:
6730 /* disable certain menu options while machine is thinking */
6731 SetMachineThinkingEnables();
6738 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6739 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6741 if(bookHit) { // [HGM] book: simulate book reply
6742 static char bookMove[MSG_SIZ]; // a bit generous?
6744 programStats.nodes = programStats.depth = programStats.time =
6745 programStats.score = programStats.got_only_move = 0;
6746 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6748 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6749 strcat(bookMove, bookHit);
6750 HandleMachineMove(bookMove, &first);
6756 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6758 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6759 Markers *m = (Markers *) closure;
6760 if(rf == fromY && ff == fromX)
6761 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6762 || kind == WhiteCapturesEnPassant
6763 || kind == BlackCapturesEnPassant);
6764 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6768 MarkTargetSquares (int clear)
6771 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6772 !appData.testLegality || gameMode == EditPosition) return;
6774 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6777 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6778 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6779 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6781 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6784 DrawPosition(TRUE, NULL);
6788 Explode (Board board, int fromX, int fromY, int toX, int toY)
6790 if(gameInfo.variant == VariantAtomic &&
6791 (board[toY][toX] != EmptySquare || // capture?
6792 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6793 board[fromY][fromX] == BlackPawn )
6795 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6801 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6804 CanPromote (ChessSquare piece, int y)
6806 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6807 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6808 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6809 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6810 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6811 gameInfo.variant == VariantMakruk) return FALSE;
6812 return (piece == BlackPawn && y == 1 ||
6813 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6814 piece == BlackLance && y == 1 ||
6815 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6819 LeftClick (ClickType clickType, int xPix, int yPix)
6822 Boolean saveAnimate;
6823 static int second = 0, promotionChoice = 0, clearFlag = 0;
6824 char promoChoice = NULLCHAR;
6827 if(appData.seekGraph && appData.icsActive && loggedOn &&
6828 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6829 SeekGraphClick(clickType, xPix, yPix, 0);
6833 if (clickType == Press) ErrorPopDown();
6835 x = EventToSquare(xPix, BOARD_WIDTH);
6836 y = EventToSquare(yPix, BOARD_HEIGHT);
6837 if (!flipView && y >= 0) {
6838 y = BOARD_HEIGHT - 1 - y;
6840 if (flipView && x >= 0) {
6841 x = BOARD_WIDTH - 1 - x;
6844 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6845 defaultPromoChoice = promoSweep;
6846 promoSweep = EmptySquare; // terminate sweep
6847 promoDefaultAltered = TRUE;
6848 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6851 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6852 if(clickType == Release) return; // ignore upclick of click-click destination
6853 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6854 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6855 if(gameInfo.holdingsWidth &&
6856 (WhiteOnMove(currentMove)
6857 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6858 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6859 // click in right holdings, for determining promotion piece
6860 ChessSquare p = boards[currentMove][y][x];
6861 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6862 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6863 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6864 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6869 DrawPosition(FALSE, boards[currentMove]);
6873 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6874 if(clickType == Press
6875 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6876 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6877 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6880 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6881 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6883 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6884 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6885 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6886 defaultPromoChoice = DefaultPromoChoice(side);
6889 autoQueen = appData.alwaysPromoteToQueen;
6893 gatingPiece = EmptySquare;
6894 if (clickType != Press) {
6895 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6896 DragPieceEnd(xPix, yPix); dragging = 0;
6897 DrawPosition(FALSE, NULL);
6901 fromX = x; fromY = y; toX = toY = -1;
6902 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6903 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6904 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6906 if (OKToStartUserMove(fromX, fromY)) {
6908 MarkTargetSquares(0);
6909 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6910 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6911 promoSweep = defaultPromoChoice;
6912 selectFlag = 0; lastX = xPix; lastY = yPix;
6913 Sweep(0); // Pawn that is going to promote: preview promotion piece
6914 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6916 if (appData.highlightDragging) {
6917 SetHighlights(fromX, fromY, -1, -1);
6919 } else fromX = fromY = -1;
6925 if (clickType == Press && gameMode != EditPosition) {
6930 // ignore off-board to clicks
6931 if(y < 0 || x < 0) return;
6933 /* Check if clicking again on the same color piece */
6934 fromP = boards[currentMove][fromY][fromX];
6935 toP = boards[currentMove][y][x];
6936 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6937 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6938 WhitePawn <= toP && toP <= WhiteKing &&
6939 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6940 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6941 (BlackPawn <= fromP && fromP <= BlackKing &&
6942 BlackPawn <= toP && toP <= BlackKing &&
6943 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6944 !(fromP == BlackKing && toP == BlackRook && frc))) {
6945 /* Clicked again on same color piece -- changed his mind */
6946 second = (x == fromX && y == fromY);
6947 promoDefaultAltered = FALSE;
6948 MarkTargetSquares(1);
6949 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6950 if (appData.highlightDragging) {
6951 SetHighlights(x, y, -1, -1);
6955 if (OKToStartUserMove(x, y)) {
6956 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6957 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6958 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6959 gatingPiece = boards[currentMove][fromY][fromX];
6960 else gatingPiece = EmptySquare;
6962 fromY = y; dragging = 1;
6963 MarkTargetSquares(0);
6964 DragPieceBegin(xPix, yPix, FALSE);
6965 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6966 promoSweep = defaultPromoChoice;
6967 selectFlag = 0; lastX = xPix; lastY = yPix;
6968 Sweep(0); // Pawn that is going to promote: preview promotion piece
6972 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6975 // ignore clicks on holdings
6976 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6979 if (clickType == Release && x == fromX && y == fromY) {
6980 DragPieceEnd(xPix, yPix); dragging = 0;
6982 // a deferred attempt to click-click move an empty square on top of a piece
6983 boards[currentMove][y][x] = EmptySquare;
6985 DrawPosition(FALSE, boards[currentMove]);
6986 fromX = fromY = -1; clearFlag = 0;
6989 if (appData.animateDragging) {
6990 /* Undo animation damage if any */
6991 DrawPosition(FALSE, NULL);
6994 /* Second up/down in same square; just abort move */
6997 gatingPiece = EmptySquare;
7000 ClearPremoveHighlights();
7002 /* First upclick in same square; start click-click mode */
7003 SetHighlights(x, y, -1, -1);
7010 /* we now have a different from- and (possibly off-board) to-square */
7011 /* Completed move */
7014 saveAnimate = appData.animate;
7015 MarkTargetSquares(1);
7016 if (clickType == Press) {
7017 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7018 // must be Edit Position mode with empty-square selected
7019 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7020 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7023 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7024 ChessSquare piece = boards[currentMove][fromY][fromX];
7025 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7026 promoSweep = defaultPromoChoice;
7027 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7028 selectFlag = 0; lastX = xPix; lastY = yPix;
7029 Sweep(0); // Pawn that is going to promote: preview promotion piece
7030 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7031 DrawPosition(FALSE, boards[currentMove]);
7034 /* Finish clickclick move */
7035 if (appData.animate || appData.highlightLastMove) {
7036 SetHighlights(fromX, fromY, toX, toY);
7041 /* Finish drag move */
7042 if (appData.highlightLastMove) {
7043 SetHighlights(fromX, fromY, toX, toY);
7047 DragPieceEnd(xPix, yPix); dragging = 0;
7048 /* Don't animate move and drag both */
7049 appData.animate = FALSE;
7052 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7053 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7054 ChessSquare piece = boards[currentMove][fromY][fromX];
7055 if(gameMode == EditPosition && piece != EmptySquare &&
7056 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7059 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7060 n = PieceToNumber(piece - (int)BlackPawn);
7061 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7062 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7063 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7065 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7066 n = PieceToNumber(piece);
7067 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7068 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7069 boards[currentMove][n][BOARD_WIDTH-2]++;
7071 boards[currentMove][fromY][fromX] = EmptySquare;
7075 DrawPosition(TRUE, boards[currentMove]);
7079 // off-board moves should not be highlighted
7080 if(x < 0 || y < 0) ClearHighlights();
7082 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7084 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7085 SetHighlights(fromX, fromY, toX, toY);
7086 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7087 // [HGM] super: promotion to captured piece selected from holdings
7088 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7089 promotionChoice = TRUE;
7090 // kludge follows to temporarily execute move on display, without promoting yet
7091 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7092 boards[currentMove][toY][toX] = p;
7093 DrawPosition(FALSE, boards[currentMove]);
7094 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7095 boards[currentMove][toY][toX] = q;
7096 DisplayMessage("Click in holdings to choose piece", "");
7101 int oldMove = currentMove;
7102 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7103 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7104 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7105 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7106 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7107 DrawPosition(TRUE, boards[currentMove]);
7110 appData.animate = saveAnimate;
7111 if (appData.animate || appData.animateDragging) {
7112 /* Undo animation damage if needed */
7113 DrawPosition(FALSE, NULL);
7118 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7119 { // front-end-free part taken out of PieceMenuPopup
7120 int whichMenu; int xSqr, ySqr;
7122 if(seekGraphUp) { // [HGM] seekgraph
7123 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7124 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7128 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7129 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7130 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7131 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7132 if(action == Press) {
7133 originalFlip = flipView;
7134 flipView = !flipView; // temporarily flip board to see game from partners perspective
7135 DrawPosition(TRUE, partnerBoard);
7136 DisplayMessage(partnerStatus, "");
7138 } else if(action == Release) {
7139 flipView = originalFlip;
7140 DrawPosition(TRUE, boards[currentMove]);
7146 xSqr = EventToSquare(x, BOARD_WIDTH);
7147 ySqr = EventToSquare(y, BOARD_HEIGHT);
7148 if (action == Release) {
7149 if(pieceSweep != EmptySquare) {
7150 EditPositionMenuEvent(pieceSweep, toX, toY);
7151 pieceSweep = EmptySquare;
7152 } else UnLoadPV(); // [HGM] pv
7154 if (action != Press) return -2; // return code to be ignored
7157 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7159 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7160 if (xSqr < 0 || ySqr < 0) return -1;
7161 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7162 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7163 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7164 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7168 if(!appData.icsEngineAnalyze) return -1;
7169 case IcsPlayingWhite:
7170 case IcsPlayingBlack:
7171 if(!appData.zippyPlay) goto noZip;
7174 case MachinePlaysWhite:
7175 case MachinePlaysBlack:
7176 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7177 if (!appData.dropMenu) {
7179 return 2; // flag front-end to grab mouse events
7181 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7182 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7185 if (xSqr < 0 || ySqr < 0) return -1;
7186 if (!appData.dropMenu || appData.testLegality &&
7187 gameInfo.variant != VariantBughouse &&
7188 gameInfo.variant != VariantCrazyhouse) return -1;
7189 whichMenu = 1; // drop menu
7195 if (((*fromX = xSqr) < 0) ||
7196 ((*fromY = ySqr) < 0)) {
7197 *fromX = *fromY = -1;
7201 *fromX = BOARD_WIDTH - 1 - *fromX;
7203 *fromY = BOARD_HEIGHT - 1 - *fromY;
7209 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7211 // char * hint = lastHint;
7212 FrontEndProgramStats stats;
7214 stats.which = cps == &first ? 0 : 1;
7215 stats.depth = cpstats->depth;
7216 stats.nodes = cpstats->nodes;
7217 stats.score = cpstats->score;
7218 stats.time = cpstats->time;
7219 stats.pv = cpstats->movelist;
7220 stats.hint = lastHint;
7221 stats.an_move_index = 0;
7222 stats.an_move_count = 0;
7224 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7225 stats.hint = cpstats->move_name;
7226 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7227 stats.an_move_count = cpstats->nr_moves;
7230 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
7232 SetProgramStats( &stats );
7236 ClearEngineOutputPane (int which)
7238 static FrontEndProgramStats dummyStats;
7239 dummyStats.which = which;
7240 dummyStats.pv = "#";
7241 SetProgramStats( &dummyStats );
7244 #define MAXPLAYERS 500
7247 TourneyStandings (int display)
7249 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7250 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7251 char result, *p, *names[MAXPLAYERS];
7253 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7254 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7255 names[0] = p = strdup(appData.participants);
7256 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7258 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7260 while(result = appData.results[nr]) {
7261 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7262 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7263 wScore = bScore = 0;
7265 case '+': wScore = 2; break;
7266 case '-': bScore = 2; break;
7267 case '=': wScore = bScore = 1; break;
7269 case '*': return strdup("busy"); // tourney not finished
7277 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7278 for(w=0; w<nPlayers; w++) {
7280 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7281 ranking[w] = b; points[w] = bScore; score[b] = -2;
7283 p = malloc(nPlayers*34+1);
7284 for(w=0; w<nPlayers && w<display; w++)
7285 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7291 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7292 { // count all piece types
7294 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7295 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7296 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7299 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7300 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7301 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7302 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7303 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7304 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7309 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7311 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7312 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7314 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7315 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7316 if(myPawns == 2 && nMine == 3) // KPP
7317 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7318 if(myPawns == 1 && nMine == 2) // KP
7319 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7320 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7321 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7322 if(myPawns) return FALSE;
7323 if(pCnt[WhiteRook+side])
7324 return pCnt[BlackRook-side] ||
7325 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7326 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7327 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7328 if(pCnt[WhiteCannon+side]) {
7329 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7330 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7332 if(pCnt[WhiteKnight+side])
7333 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7338 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7340 VariantClass v = gameInfo.variant;
7342 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7343 if(v == VariantShatranj) return TRUE; // always winnable through baring
7344 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7345 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7347 if(v == VariantXiangqi) {
7348 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7350 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7351 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7352 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7353 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7354 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7355 if(stale) // we have at least one last-rank P plus perhaps C
7356 return majors // KPKX
7357 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7359 return pCnt[WhiteFerz+side] // KCAK
7360 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7361 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7362 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7364 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7365 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7367 if(nMine == 1) return FALSE; // bare King
7368 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
7369 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7370 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7371 // by now we have King + 1 piece (or multiple Bishops on the same color)
7372 if(pCnt[WhiteKnight+side])
7373 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7374 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7375 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7377 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7378 if(pCnt[WhiteAlfil+side])
7379 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7380 if(pCnt[WhiteWazir+side])
7381 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7388 CompareWithRights (Board b1, Board b2)
7391 if(!CompareBoards(b1, b2)) return FALSE;
7392 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7393 /* compare castling rights */
7394 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7395 rights++; /* King lost rights, while rook still had them */
7396 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7397 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7398 rights++; /* but at least one rook lost them */
7400 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7402 if( b1[CASTLING][5] != NoRights ) {
7403 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7410 Adjudicate (ChessProgramState *cps)
7411 { // [HGM] some adjudications useful with buggy engines
7412 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7413 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7414 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7415 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7416 int k, count = 0; static int bare = 1;
7417 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7418 Boolean canAdjudicate = !appData.icsActive;
7420 // most tests only when we understand the game, i.e. legality-checking on
7421 if( appData.testLegality )
7422 { /* [HGM] Some more adjudications for obstinate engines */
7423 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7424 static int moveCount = 6;
7426 char *reason = NULL;
7428 /* Count what is on board. */
7429 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7431 /* Some material-based adjudications that have to be made before stalemate test */
7432 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7433 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7434 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7435 if(canAdjudicate && appData.checkMates) {
7437 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7438 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7439 "Xboard adjudication: King destroyed", GE_XBOARD );
7444 /* Bare King in Shatranj (loses) or Losers (wins) */
7445 if( nrW == 1 || nrB == 1) {
7446 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7447 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7448 if(canAdjudicate && appData.checkMates) {
7450 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7451 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7452 "Xboard adjudication: Bare king", GE_XBOARD );
7456 if( gameInfo.variant == VariantShatranj && --bare < 0)
7458 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7459 if(canAdjudicate && appData.checkMates) {
7460 /* but only adjudicate if adjudication enabled */
7462 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7463 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7464 "Xboard adjudication: Bare king", GE_XBOARD );
7471 // don't wait for engine to announce game end if we can judge ourselves
7472 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7474 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7475 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7476 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7477 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7480 reason = "Xboard adjudication: 3rd check";
7481 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7491 reason = "Xboard adjudication: Stalemate";
7492 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7493 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7494 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7495 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7496 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7497 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7498 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7499 EP_CHECKMATE : EP_WINS);
7500 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7501 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7505 reason = "Xboard adjudication: Checkmate";
7506 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7510 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7512 result = GameIsDrawn; break;
7514 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7516 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7520 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7522 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7523 GameEnds( result, reason, GE_XBOARD );
7527 /* Next absolutely insufficient mating material. */
7528 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7529 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7530 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7532 /* always flag draws, for judging claims */
7533 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7535 if(canAdjudicate && appData.materialDraws) {
7536 /* but only adjudicate them if adjudication enabled */
7537 if(engineOpponent) {
7538 SendToProgram("force\n", engineOpponent); // suppress reply
7539 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7541 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7546 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7547 if(gameInfo.variant == VariantXiangqi ?
7548 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7550 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7551 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7552 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7553 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7555 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7556 { /* if the first 3 moves do not show a tactical win, declare draw */
7557 if(engineOpponent) {
7558 SendToProgram("force\n", engineOpponent); // suppress reply
7559 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7561 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7564 } else moveCount = 6;
7567 // Repetition draws and 50-move rule can be applied independently of legality testing
7569 /* Check for rep-draws */
7571 for(k = forwardMostMove-2;
7572 k>=backwardMostMove && k>=forwardMostMove-100 &&
7573 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7574 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7577 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7578 /* compare castling rights */
7579 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7580 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7581 rights++; /* King lost rights, while rook still had them */
7582 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7583 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7584 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7585 rights++; /* but at least one rook lost them */
7587 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7588 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7590 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7591 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7592 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7595 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7596 && appData.drawRepeats > 1) {
7597 /* adjudicate after user-specified nr of repeats */
7598 int result = GameIsDrawn;
7599 char *details = "XBoard adjudication: repetition draw";
7600 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7601 // [HGM] xiangqi: check for forbidden perpetuals
7602 int m, ourPerpetual = 1, hisPerpetual = 1;
7603 for(m=forwardMostMove; m>k; m-=2) {
7604 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7605 ourPerpetual = 0; // the current mover did not always check
7606 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7607 hisPerpetual = 0; // the opponent did not always check
7609 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7610 ourPerpetual, hisPerpetual);
7611 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7612 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7613 details = "Xboard adjudication: perpetual checking";
7615 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7616 break; // (or we would have caught him before). Abort repetition-checking loop.
7618 // Now check for perpetual chases
7619 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7620 hisPerpetual = PerpetualChase(k, forwardMostMove);
7621 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7622 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7623 static char resdet[MSG_SIZ];
7624 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7626 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7628 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7629 break; // Abort repetition-checking loop.
7631 // if neither of us is checking or chasing all the time, or both are, it is draw
7633 if(engineOpponent) {
7634 SendToProgram("force\n", engineOpponent); // suppress reply
7635 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7637 GameEnds( result, details, GE_XBOARD );
7640 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7641 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7645 /* Now we test for 50-move draws. Determine ply count */
7646 count = forwardMostMove;
7647 /* look for last irreversble move */
7648 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7650 /* if we hit starting position, add initial plies */
7651 if( count == backwardMostMove )
7652 count -= initialRulePlies;
7653 count = forwardMostMove - count;
7654 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7655 // adjust reversible move counter for checks in Xiangqi
7656 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7657 if(i < backwardMostMove) i = backwardMostMove;
7658 while(i <= forwardMostMove) {
7659 lastCheck = inCheck; // check evasion does not count
7660 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7661 if(inCheck || lastCheck) count--; // check does not count
7666 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7667 /* this is used to judge if draw claims are legal */
7668 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7669 if(engineOpponent) {
7670 SendToProgram("force\n", engineOpponent); // suppress reply
7671 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7673 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7677 /* if draw offer is pending, treat it as a draw claim
7678 * when draw condition present, to allow engines a way to
7679 * claim draws before making their move to avoid a race
7680 * condition occurring after their move
7682 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7684 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7685 p = "Draw claim: 50-move rule";
7686 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7687 p = "Draw claim: 3-fold repetition";
7688 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7689 p = "Draw claim: insufficient mating material";
7690 if( p != NULL && canAdjudicate) {
7691 if(engineOpponent) {
7692 SendToProgram("force\n", engineOpponent); // suppress reply
7693 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7695 GameEnds( GameIsDrawn, p, GE_XBOARD );
7700 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7701 if(engineOpponent) {
7702 SendToProgram("force\n", engineOpponent); // suppress reply
7703 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7705 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7712 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7713 { // [HGM] book: this routine intercepts moves to simulate book replies
7714 char *bookHit = NULL;
7716 //first determine if the incoming move brings opponent into his book
7717 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7718 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7719 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7720 if(bookHit != NULL && !cps->bookSuspend) {
7721 // make sure opponent is not going to reply after receiving move to book position
7722 SendToProgram("force\n", cps);
7723 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7725 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7726 // now arrange restart after book miss
7728 // after a book hit we never send 'go', and the code after the call to this routine
7729 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7730 char buf[MSG_SIZ], *move = bookHit;
7732 int fromX, fromY, toX, toY;
7736 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7737 &fromX, &fromY, &toX, &toY, &promoChar)) {
7738 (void) CoordsToAlgebraic(boards[forwardMostMove],
7739 PosFlags(forwardMostMove),
7740 fromY, fromX, toY, toX, promoChar, move);
7742 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7746 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7747 SendToProgram(buf, cps);
7748 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7749 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7750 SendToProgram("go\n", cps);
7751 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7752 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7753 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7754 SendToProgram("go\n", cps);
7755 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7757 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7761 ChessProgramState *savedState;
7763 DeferredBookMove (void)
7765 if(savedState->lastPing != savedState->lastPong)
7766 ScheduleDelayedEvent(DeferredBookMove, 10);
7768 HandleMachineMove(savedMessage, savedState);
7771 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7774 HandleMachineMove (char *message, ChessProgramState *cps)
7776 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7777 char realname[MSG_SIZ];
7778 int fromX, fromY, toX, toY;
7785 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7786 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7787 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7788 DisplayError(_("Invalid pairing from pairing engine"), 0);
7791 pairingReceived = 1;
7793 return; // Skim the pairing messages here.
7798 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7800 * Kludge to ignore BEL characters
7802 while (*message == '\007') message++;
7805 * [HGM] engine debug message: ignore lines starting with '#' character
7807 if(cps->debug && *message == '#') return;
7810 * Look for book output
7812 if (cps == &first && bookRequested) {
7813 if (message[0] == '\t' || message[0] == ' ') {
7814 /* Part of the book output is here; append it */
7815 strcat(bookOutput, message);
7816 strcat(bookOutput, " \n");
7818 } else if (bookOutput[0] != NULLCHAR) {
7819 /* All of book output has arrived; display it */
7820 char *p = bookOutput;
7821 while (*p != NULLCHAR) {
7822 if (*p == '\t') *p = ' ';
7825 DisplayInformation(bookOutput);
7826 bookRequested = FALSE;
7827 /* Fall through to parse the current output */
7832 * Look for machine move.
7834 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7835 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7837 /* This method is only useful on engines that support ping */
7838 if (cps->lastPing != cps->lastPong) {
7839 if (gameMode == BeginningOfGame) {
7840 /* Extra move from before last new; ignore */
7841 if (appData.debugMode) {
7842 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7845 if (appData.debugMode) {
7846 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7847 cps->which, gameMode);
7850 SendToProgram("undo\n", cps);
7856 case BeginningOfGame:
7857 /* Extra move from before last reset; ignore */
7858 if (appData.debugMode) {
7859 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7866 /* Extra move after we tried to stop. The mode test is
7867 not a reliable way of detecting this problem, but it's
7868 the best we can do on engines that don't support ping.
7870 if (appData.debugMode) {
7871 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7872 cps->which, gameMode);
7874 SendToProgram("undo\n", cps);
7877 case MachinePlaysWhite:
7878 case IcsPlayingWhite:
7879 machineWhite = TRUE;
7882 case MachinePlaysBlack:
7883 case IcsPlayingBlack:
7884 machineWhite = FALSE;
7887 case TwoMachinesPlay:
7888 machineWhite = (cps->twoMachinesColor[0] == 'w');
7891 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7892 if (appData.debugMode) {
7894 "Ignoring move out of turn by %s, gameMode %d"
7895 ", forwardMost %d\n",
7896 cps->which, gameMode, forwardMostMove);
7901 if(cps->alphaRank) AlphaRank(machineMove, 4);
7902 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7903 &fromX, &fromY, &toX, &toY, &promoChar)) {
7904 /* Machine move could not be parsed; ignore it. */
7905 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7906 machineMove, _(cps->which));
7907 DisplayError(buf1, 0);
7908 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7909 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7910 if (gameMode == TwoMachinesPlay) {
7911 GameEnds(machineWhite ? BlackWins : WhiteWins,
7917 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7918 /* So we have to redo legality test with true e.p. status here, */
7919 /* to make sure an illegal e.p. capture does not slip through, */
7920 /* to cause a forfeit on a justified illegal-move complaint */
7921 /* of the opponent. */
7922 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7924 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7925 fromY, fromX, toY, toX, promoChar);
7926 if(moveType == IllegalMove) {
7927 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7928 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7929 GameEnds(machineWhite ? BlackWins : WhiteWins,
7932 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7933 /* [HGM] Kludge to handle engines that send FRC-style castling
7934 when they shouldn't (like TSCP-Gothic) */
7936 case WhiteASideCastleFR:
7937 case BlackASideCastleFR:
7939 currentMoveString[2]++;
7941 case WhiteHSideCastleFR:
7942 case BlackHSideCastleFR:
7944 currentMoveString[2]--;
7946 default: ; // nothing to do, but suppresses warning of pedantic compilers
7949 hintRequested = FALSE;
7950 lastHint[0] = NULLCHAR;
7951 bookRequested = FALSE;
7952 /* Program may be pondering now */
7953 cps->maybeThinking = TRUE;
7954 if (cps->sendTime == 2) cps->sendTime = 1;
7955 if (cps->offeredDraw) cps->offeredDraw--;
7957 /* [AS] Save move info*/
7958 pvInfoList[ forwardMostMove ].score = programStats.score;
7959 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7960 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7962 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7964 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7965 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7968 while( count < adjudicateLossPlies ) {
7969 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7972 score = -score; /* Flip score for winning side */
7975 if( score > adjudicateLossThreshold ) {
7982 if( count >= adjudicateLossPlies ) {
7983 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7985 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7986 "Xboard adjudication",
7993 if(Adjudicate(cps)) {
7994 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7995 return; // [HGM] adjudicate: for all automatic game ends
7999 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8001 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8002 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8004 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8006 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8008 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8009 char buf[3*MSG_SIZ];
8011 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8012 programStats.score / 100.,
8014 programStats.time / 100.,
8015 (unsigned int)programStats.nodes,
8016 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8017 programStats.movelist);
8019 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8024 /* [AS] Clear stats for next move */
8025 ClearProgramStats();
8026 thinkOutput[0] = NULLCHAR;
8027 hiddenThinkOutputState = 0;
8030 if (gameMode == TwoMachinesPlay) {
8031 /* [HGM] relaying draw offers moved to after reception of move */
8032 /* and interpreting offer as claim if it brings draw condition */
8033 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8034 SendToProgram("draw\n", cps->other);
8036 if (cps->other->sendTime) {
8037 SendTimeRemaining(cps->other,
8038 cps->other->twoMachinesColor[0] == 'w');
8040 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8041 if (firstMove && !bookHit) {
8043 if (cps->other->useColors) {
8044 SendToProgram(cps->other->twoMachinesColor, cps->other);
8046 SendToProgram("go\n", cps->other);
8048 cps->other->maybeThinking = TRUE;
8051 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8053 if (!pausing && appData.ringBellAfterMoves) {
8058 * Reenable menu items that were disabled while
8059 * machine was thinking
8061 if (gameMode != TwoMachinesPlay)
8062 SetUserThinkingEnables();
8064 // [HGM] book: after book hit opponent has received move and is now in force mode
8065 // force the book reply into it, and then fake that it outputted this move by jumping
8066 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8068 static char bookMove[MSG_SIZ]; // a bit generous?
8070 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8071 strcat(bookMove, bookHit);
8074 programStats.nodes = programStats.depth = programStats.time =
8075 programStats.score = programStats.got_only_move = 0;
8076 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8078 if(cps->lastPing != cps->lastPong) {
8079 savedMessage = message; // args for deferred call
8081 ScheduleDelayedEvent(DeferredBookMove, 10);
8090 /* Set special modes for chess engines. Later something general
8091 * could be added here; for now there is just one kludge feature,
8092 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8093 * when "xboard" is given as an interactive command.
8095 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8096 cps->useSigint = FALSE;
8097 cps->useSigterm = FALSE;
8099 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8100 ParseFeatures(message+8, cps);
8101 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8104 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8105 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8106 int dummy, s=6; char buf[MSG_SIZ];
8107 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8108 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8109 if(startedFromSetupPosition) return;
8110 ParseFEN(boards[0], &dummy, message+s);
8111 DrawPosition(TRUE, boards[0]);
8112 startedFromSetupPosition = TRUE;
8115 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8116 * want this, I was asked to put it in, and obliged.
8118 if (!strncmp(message, "setboard ", 9)) {
8119 Board initial_position;
8121 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8123 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8124 DisplayError(_("Bad FEN received from engine"), 0);
8128 CopyBoard(boards[0], initial_position);
8129 initialRulePlies = FENrulePlies;
8130 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8131 else gameMode = MachinePlaysBlack;
8132 DrawPosition(FALSE, boards[currentMove]);
8138 * Look for communication commands
8140 if (!strncmp(message, "telluser ", 9)) {
8141 if(message[9] == '\\' && message[10] == '\\')
8142 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8144 DisplayNote(message + 9);
8147 if (!strncmp(message, "tellusererror ", 14)) {
8149 if(message[14] == '\\' && message[15] == '\\')
8150 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8152 DisplayError(message + 14, 0);
8155 if (!strncmp(message, "tellopponent ", 13)) {
8156 if (appData.icsActive) {
8158 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8162 DisplayNote(message + 13);
8166 if (!strncmp(message, "tellothers ", 11)) {
8167 if (appData.icsActive) {
8169 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8175 if (!strncmp(message, "tellall ", 8)) {
8176 if (appData.icsActive) {
8178 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8182 DisplayNote(message + 8);
8186 if (strncmp(message, "warning", 7) == 0) {
8187 /* Undocumented feature, use tellusererror in new code */
8188 DisplayError(message, 0);
8191 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8192 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8193 strcat(realname, " query");
8194 AskQuestion(realname, buf2, buf1, cps->pr);
8197 /* Commands from the engine directly to ICS. We don't allow these to be
8198 * sent until we are logged on. Crafty kibitzes have been known to
8199 * interfere with the login process.
8202 if (!strncmp(message, "tellics ", 8)) {
8203 SendToICS(message + 8);
8207 if (!strncmp(message, "tellicsnoalias ", 15)) {
8208 SendToICS(ics_prefix);
8209 SendToICS(message + 15);
8213 /* The following are for backward compatibility only */
8214 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8215 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8216 SendToICS(ics_prefix);
8222 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8226 * If the move is illegal, cancel it and redraw the board.
8227 * Also deal with other error cases. Matching is rather loose
8228 * here to accommodate engines written before the spec.
8230 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8231 strncmp(message, "Error", 5) == 0) {
8232 if (StrStr(message, "name") ||
8233 StrStr(message, "rating") || StrStr(message, "?") ||
8234 StrStr(message, "result") || StrStr(message, "board") ||
8235 StrStr(message, "bk") || StrStr(message, "computer") ||
8236 StrStr(message, "variant") || StrStr(message, "hint") ||
8237 StrStr(message, "random") || StrStr(message, "depth") ||
8238 StrStr(message, "accepted")) {
8241 if (StrStr(message, "protover")) {
8242 /* Program is responding to input, so it's apparently done
8243 initializing, and this error message indicates it is
8244 protocol version 1. So we don't need to wait any longer
8245 for it to initialize and send feature commands. */
8246 FeatureDone(cps, 1);
8247 cps->protocolVersion = 1;
8250 cps->maybeThinking = FALSE;
8252 if (StrStr(message, "draw")) {
8253 /* Program doesn't have "draw" command */
8254 cps->sendDrawOffers = 0;
8257 if (cps->sendTime != 1 &&
8258 (StrStr(message, "time") || StrStr(message, "otim"))) {
8259 /* Program apparently doesn't have "time" or "otim" command */
8263 if (StrStr(message, "analyze")) {
8264 cps->analysisSupport = FALSE;
8265 cps->analyzing = FALSE;
8266 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8267 EditGameEvent(); // [HGM] try to preserve loaded game
8268 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8269 DisplayError(buf2, 0);
8272 if (StrStr(message, "(no matching move)st")) {
8273 /* Special kludge for GNU Chess 4 only */
8274 cps->stKludge = TRUE;
8275 SendTimeControl(cps, movesPerSession, timeControl,
8276 timeIncrement, appData.searchDepth,
8280 if (StrStr(message, "(no matching move)sd")) {
8281 /* Special kludge for GNU Chess 4 only */
8282 cps->sdKludge = TRUE;
8283 SendTimeControl(cps, movesPerSession, timeControl,
8284 timeIncrement, appData.searchDepth,
8288 if (!StrStr(message, "llegal")) {
8291 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8292 gameMode == IcsIdle) return;
8293 if (forwardMostMove <= backwardMostMove) return;
8294 if (pausing) PauseEvent();
8295 if(appData.forceIllegal) {
8296 // [HGM] illegal: machine refused move; force position after move into it
8297 SendToProgram("force\n", cps);
8298 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8299 // we have a real problem now, as SendBoard will use the a2a3 kludge
8300 // when black is to move, while there might be nothing on a2 or black
8301 // might already have the move. So send the board as if white has the move.
8302 // But first we must change the stm of the engine, as it refused the last move
8303 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8304 if(WhiteOnMove(forwardMostMove)) {
8305 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8306 SendBoard(cps, forwardMostMove); // kludgeless board
8308 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8309 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8310 SendBoard(cps, forwardMostMove+1); // kludgeless board
8312 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8313 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8314 gameMode == TwoMachinesPlay)
8315 SendToProgram("go\n", cps);
8318 if (gameMode == PlayFromGameFile) {
8319 /* Stop reading this game file */
8320 gameMode = EditGame;
8323 /* [HGM] illegal-move claim should forfeit game when Xboard */
8324 /* only passes fully legal moves */
8325 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8326 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8327 "False illegal-move claim", GE_XBOARD );
8328 return; // do not take back move we tested as valid
8330 currentMove = forwardMostMove-1;
8331 DisplayMove(currentMove-1); /* before DisplayMoveError */
8332 SwitchClocks(forwardMostMove-1); // [HGM] race
8333 DisplayBothClocks();
8334 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8335 parseList[currentMove], _(cps->which));
8336 DisplayMoveError(buf1);
8337 DrawPosition(FALSE, boards[currentMove]);
8339 SetUserThinkingEnables();
8342 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8343 /* Program has a broken "time" command that
8344 outputs a string not ending in newline.
8350 * If chess program startup fails, exit with an error message.
8351 * Attempts to recover here are futile.
8353 if ((StrStr(message, "unknown host") != NULL)
8354 || (StrStr(message, "No remote directory") != NULL)
8355 || (StrStr(message, "not found") != NULL)
8356 || (StrStr(message, "No such file") != NULL)
8357 || (StrStr(message, "can't alloc") != NULL)
8358 || (StrStr(message, "Permission denied") != NULL)) {
8360 cps->maybeThinking = FALSE;
8361 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8362 _(cps->which), cps->program, cps->host, message);
8363 RemoveInputSource(cps->isr);
8364 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8365 if(cps == &first) appData.noChessProgram = TRUE;
8366 DisplayError(buf1, 0);
8372 * Look for hint output
8374 if (sscanf(message, "Hint: %s", buf1) == 1) {
8375 if (cps == &first && hintRequested) {
8376 hintRequested = FALSE;
8377 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8378 &fromX, &fromY, &toX, &toY, &promoChar)) {
8379 (void) CoordsToAlgebraic(boards[forwardMostMove],
8380 PosFlags(forwardMostMove),
8381 fromY, fromX, toY, toX, promoChar, buf1);
8382 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8383 DisplayInformation(buf2);
8385 /* Hint move could not be parsed!? */
8386 snprintf(buf2, sizeof(buf2),
8387 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8388 buf1, _(cps->which));
8389 DisplayError(buf2, 0);
8392 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8398 * Ignore other messages if game is not in progress
8400 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8401 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8404 * look for win, lose, draw, or draw offer
8406 if (strncmp(message, "1-0", 3) == 0) {
8407 char *p, *q, *r = "";
8408 p = strchr(message, '{');
8416 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8418 } else if (strncmp(message, "0-1", 3) == 0) {
8419 char *p, *q, *r = "";
8420 p = strchr(message, '{');
8428 /* Kludge for Arasan 4.1 bug */
8429 if (strcmp(r, "Black resigns") == 0) {
8430 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8433 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8435 } else if (strncmp(message, "1/2", 3) == 0) {
8436 char *p, *q, *r = "";
8437 p = strchr(message, '{');
8446 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8449 } else if (strncmp(message, "White resign", 12) == 0) {
8450 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8452 } else if (strncmp(message, "Black resign", 12) == 0) {
8453 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8455 } else if (strncmp(message, "White matches", 13) == 0 ||
8456 strncmp(message, "Black matches", 13) == 0 ) {
8457 /* [HGM] ignore GNUShogi noises */
8459 } else if (strncmp(message, "White", 5) == 0 &&
8460 message[5] != '(' &&
8461 StrStr(message, "Black") == NULL) {
8462 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8464 } else if (strncmp(message, "Black", 5) == 0 &&
8465 message[5] != '(') {
8466 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8468 } else if (strcmp(message, "resign") == 0 ||
8469 strcmp(message, "computer resigns") == 0) {
8471 case MachinePlaysBlack:
8472 case IcsPlayingBlack:
8473 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8475 case MachinePlaysWhite:
8476 case IcsPlayingWhite:
8477 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8479 case TwoMachinesPlay:
8480 if (cps->twoMachinesColor[0] == 'w')
8481 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8483 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8490 } else if (strncmp(message, "opponent mates", 14) == 0) {
8492 case MachinePlaysBlack:
8493 case IcsPlayingBlack:
8494 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8496 case MachinePlaysWhite:
8497 case IcsPlayingWhite:
8498 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8500 case TwoMachinesPlay:
8501 if (cps->twoMachinesColor[0] == 'w')
8502 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8504 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8511 } else if (strncmp(message, "computer mates", 14) == 0) {
8513 case MachinePlaysBlack:
8514 case IcsPlayingBlack:
8515 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8517 case MachinePlaysWhite:
8518 case IcsPlayingWhite:
8519 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8521 case TwoMachinesPlay:
8522 if (cps->twoMachinesColor[0] == 'w')
8523 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8525 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8532 } else if (strncmp(message, "checkmate", 9) == 0) {
8533 if (WhiteOnMove(forwardMostMove)) {
8534 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8536 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8539 } else if (strstr(message, "Draw") != NULL ||
8540 strstr(message, "game is a draw") != NULL) {
8541 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8543 } else if (strstr(message, "offer") != NULL &&
8544 strstr(message, "draw") != NULL) {
8546 if (appData.zippyPlay && first.initDone) {
8547 /* Relay offer to ICS */
8548 SendToICS(ics_prefix);
8549 SendToICS("draw\n");
8552 cps->offeredDraw = 2; /* valid until this engine moves twice */
8553 if (gameMode == TwoMachinesPlay) {
8554 if (cps->other->offeredDraw) {
8555 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8556 /* [HGM] in two-machine mode we delay relaying draw offer */
8557 /* until after we also have move, to see if it is really claim */
8559 } else if (gameMode == MachinePlaysWhite ||
8560 gameMode == MachinePlaysBlack) {
8561 if (userOfferedDraw) {
8562 DisplayInformation(_("Machine accepts your draw offer"));
8563 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8565 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8572 * Look for thinking output
8574 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8575 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8577 int plylev, mvleft, mvtot, curscore, time;
8578 char mvname[MOVE_LEN];
8582 int prefixHint = FALSE;
8583 mvname[0] = NULLCHAR;
8586 case MachinePlaysBlack:
8587 case IcsPlayingBlack:
8588 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8590 case MachinePlaysWhite:
8591 case IcsPlayingWhite:
8592 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8597 case IcsObserving: /* [DM] icsEngineAnalyze */
8598 if (!appData.icsEngineAnalyze) ignore = TRUE;
8600 case TwoMachinesPlay:
8601 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8611 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8613 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8614 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8616 if (plyext != ' ' && plyext != '\t') {
8620 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8621 if( cps->scoreIsAbsolute &&
8622 ( gameMode == MachinePlaysBlack ||
8623 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8624 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8625 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8626 !WhiteOnMove(currentMove)
8629 curscore = -curscore;
8632 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8634 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8637 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8638 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8639 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8640 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8641 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8642 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8644 } else DisplayError(_("failed writing PV"), 0);
8647 tempStats.depth = plylev;
8648 tempStats.nodes = nodes;
8649 tempStats.time = time;
8650 tempStats.score = curscore;
8651 tempStats.got_only_move = 0;
8653 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8656 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8657 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8658 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8659 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8660 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8661 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8662 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8663 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8666 /* Buffer overflow protection */
8667 if (pv[0] != NULLCHAR) {
8668 if (strlen(pv) >= sizeof(tempStats.movelist)
8669 && appData.debugMode) {
8671 "PV is too long; using the first %u bytes.\n",
8672 (unsigned) sizeof(tempStats.movelist) - 1);
8675 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8677 sprintf(tempStats.movelist, " no PV\n");
8680 if (tempStats.seen_stat) {
8681 tempStats.ok_to_send = 1;
8684 if (strchr(tempStats.movelist, '(') != NULL) {
8685 tempStats.line_is_book = 1;
8686 tempStats.nr_moves = 0;
8687 tempStats.moves_left = 0;
8689 tempStats.line_is_book = 0;
8692 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8693 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8695 SendProgramStatsToFrontend( cps, &tempStats );
8698 [AS] Protect the thinkOutput buffer from overflow... this
8699 is only useful if buf1 hasn't overflowed first!
8701 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8703 (gameMode == TwoMachinesPlay ?
8704 ToUpper(cps->twoMachinesColor[0]) : ' '),
8705 ((double) curscore) / 100.0,
8706 prefixHint ? lastHint : "",
8707 prefixHint ? " " : "" );
8709 if( buf1[0] != NULLCHAR ) {
8710 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8712 if( strlen(pv) > max_len ) {
8713 if( appData.debugMode) {
8714 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8716 pv[max_len+1] = '\0';
8719 strcat( thinkOutput, pv);
8722 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8723 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8724 DisplayMove(currentMove - 1);
8728 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8729 /* crafty (9.25+) says "(only move) <move>"
8730 * if there is only 1 legal move
8732 sscanf(p, "(only move) %s", buf1);
8733 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8734 sprintf(programStats.movelist, "%s (only move)", buf1);
8735 programStats.depth = 1;
8736 programStats.nr_moves = 1;
8737 programStats.moves_left = 1;
8738 programStats.nodes = 1;
8739 programStats.time = 1;
8740 programStats.got_only_move = 1;
8742 /* Not really, but we also use this member to
8743 mean "line isn't going to change" (Crafty
8744 isn't searching, so stats won't change) */
8745 programStats.line_is_book = 1;
8747 SendProgramStatsToFrontend( cps, &programStats );
8749 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8750 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8751 DisplayMove(currentMove - 1);
8754 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8755 &time, &nodes, &plylev, &mvleft,
8756 &mvtot, mvname) >= 5) {
8757 /* The stat01: line is from Crafty (9.29+) in response
8758 to the "." command */
8759 programStats.seen_stat = 1;
8760 cps->maybeThinking = TRUE;
8762 if (programStats.got_only_move || !appData.periodicUpdates)
8765 programStats.depth = plylev;
8766 programStats.time = time;
8767 programStats.nodes = nodes;
8768 programStats.moves_left = mvleft;
8769 programStats.nr_moves = mvtot;
8770 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8771 programStats.ok_to_send = 1;
8772 programStats.movelist[0] = '\0';
8774 SendProgramStatsToFrontend( cps, &programStats );
8778 } else if (strncmp(message,"++",2) == 0) {
8779 /* Crafty 9.29+ outputs this */
8780 programStats.got_fail = 2;
8783 } else if (strncmp(message,"--",2) == 0) {
8784 /* Crafty 9.29+ outputs this */
8785 programStats.got_fail = 1;
8788 } else if (thinkOutput[0] != NULLCHAR &&
8789 strncmp(message, " ", 4) == 0) {
8790 unsigned message_len;
8793 while (*p && *p == ' ') p++;
8795 message_len = strlen( p );
8797 /* [AS] Avoid buffer overflow */
8798 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8799 strcat(thinkOutput, " ");
8800 strcat(thinkOutput, p);
8803 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8804 strcat(programStats.movelist, " ");
8805 strcat(programStats.movelist, p);
8808 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8809 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8810 DisplayMove(currentMove - 1);
8818 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8819 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8821 ChessProgramStats cpstats;
8823 if (plyext != ' ' && plyext != '\t') {
8827 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8828 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8829 curscore = -curscore;
8832 cpstats.depth = plylev;
8833 cpstats.nodes = nodes;
8834 cpstats.time = time;
8835 cpstats.score = curscore;
8836 cpstats.got_only_move = 0;
8837 cpstats.movelist[0] = '\0';
8839 if (buf1[0] != NULLCHAR) {
8840 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8843 cpstats.ok_to_send = 0;
8844 cpstats.line_is_book = 0;
8845 cpstats.nr_moves = 0;
8846 cpstats.moves_left = 0;
8848 SendProgramStatsToFrontend( cps, &cpstats );
8855 /* Parse a game score from the character string "game", and
8856 record it as the history of the current game. The game
8857 score is NOT assumed to start from the standard position.
8858 The display is not updated in any way.
8861 ParseGameHistory (char *game)
8864 int fromX, fromY, toX, toY, boardIndex;
8869 if (appData.debugMode)
8870 fprintf(debugFP, "Parsing game history: %s\n", game);
8872 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8873 gameInfo.site = StrSave(appData.icsHost);
8874 gameInfo.date = PGNDate();
8875 gameInfo.round = StrSave("-");
8877 /* Parse out names of players */
8878 while (*game == ' ') game++;
8880 while (*game != ' ') *p++ = *game++;
8882 gameInfo.white = StrSave(buf);
8883 while (*game == ' ') game++;
8885 while (*game != ' ' && *game != '\n') *p++ = *game++;
8887 gameInfo.black = StrSave(buf);
8890 boardIndex = blackPlaysFirst ? 1 : 0;
8893 yyboardindex = boardIndex;
8894 moveType = (ChessMove) Myylex();
8896 case IllegalMove: /* maybe suicide chess, etc. */
8897 if (appData.debugMode) {
8898 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8899 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8900 setbuf(debugFP, NULL);
8902 case WhitePromotion:
8903 case BlackPromotion:
8904 case WhiteNonPromotion:
8905 case BlackNonPromotion:
8907 case WhiteCapturesEnPassant:
8908 case BlackCapturesEnPassant:
8909 case WhiteKingSideCastle:
8910 case WhiteQueenSideCastle:
8911 case BlackKingSideCastle:
8912 case BlackQueenSideCastle:
8913 case WhiteKingSideCastleWild:
8914 case WhiteQueenSideCastleWild:
8915 case BlackKingSideCastleWild:
8916 case BlackQueenSideCastleWild:
8918 case WhiteHSideCastleFR:
8919 case WhiteASideCastleFR:
8920 case BlackHSideCastleFR:
8921 case BlackASideCastleFR:
8923 fromX = currentMoveString[0] - AAA;
8924 fromY = currentMoveString[1] - ONE;
8925 toX = currentMoveString[2] - AAA;
8926 toY = currentMoveString[3] - ONE;
8927 promoChar = currentMoveString[4];
8931 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8932 fromX = moveType == WhiteDrop ?
8933 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8934 (int) CharToPiece(ToLower(currentMoveString[0]));
8936 toX = currentMoveString[2] - AAA;
8937 toY = currentMoveString[3] - ONE;
8938 promoChar = NULLCHAR;
8942 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8943 if (appData.debugMode) {
8944 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8945 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8946 setbuf(debugFP, NULL);
8948 DisplayError(buf, 0);
8950 case ImpossibleMove:
8952 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8953 if (appData.debugMode) {
8954 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8955 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8956 setbuf(debugFP, NULL);
8958 DisplayError(buf, 0);
8961 if (boardIndex < backwardMostMove) {
8962 /* Oops, gap. How did that happen? */
8963 DisplayError(_("Gap in move list"), 0);
8966 backwardMostMove = blackPlaysFirst ? 1 : 0;
8967 if (boardIndex > forwardMostMove) {
8968 forwardMostMove = boardIndex;
8972 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8973 strcat(parseList[boardIndex-1], " ");
8974 strcat(parseList[boardIndex-1], yy_text);
8986 case GameUnfinished:
8987 if (gameMode == IcsExamining) {
8988 if (boardIndex < backwardMostMove) {
8989 /* Oops, gap. How did that happen? */
8992 backwardMostMove = blackPlaysFirst ? 1 : 0;
8995 gameInfo.result = moveType;
8996 p = strchr(yy_text, '{');
8997 if (p == NULL) p = strchr(yy_text, '(');
9000 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9002 q = strchr(p, *p == '{' ? '}' : ')');
9003 if (q != NULL) *q = NULLCHAR;
9006 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9007 gameInfo.resultDetails = StrSave(p);
9010 if (boardIndex >= forwardMostMove &&
9011 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9012 backwardMostMove = blackPlaysFirst ? 1 : 0;
9015 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9016 fromY, fromX, toY, toX, promoChar,
9017 parseList[boardIndex]);
9018 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9019 /* currentMoveString is set as a side-effect of yylex */
9020 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9021 strcat(moveList[boardIndex], "\n");
9023 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9024 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9030 if(gameInfo.variant != VariantShogi)
9031 strcat(parseList[boardIndex - 1], "+");
9035 strcat(parseList[boardIndex - 1], "#");
9042 /* Apply a move to the given board */
9044 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9046 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9047 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9049 /* [HGM] compute & store e.p. status and castling rights for new position */
9050 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9052 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9053 oldEP = (signed char)board[EP_STATUS];
9054 board[EP_STATUS] = EP_NONE;
9056 if (fromY == DROP_RANK) {
9058 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9059 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9062 piece = board[toY][toX] = (ChessSquare) fromX;
9066 if( board[toY][toX] != EmptySquare )
9067 board[EP_STATUS] = EP_CAPTURE;
9069 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9070 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9071 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9073 if( board[fromY][fromX] == WhitePawn ) {
9074 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9075 board[EP_STATUS] = EP_PAWN_MOVE;
9077 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9078 gameInfo.variant != VariantBerolina || toX < fromX)
9079 board[EP_STATUS] = toX | berolina;
9080 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9081 gameInfo.variant != VariantBerolina || toX > fromX)
9082 board[EP_STATUS] = toX;
9085 if( board[fromY][fromX] == BlackPawn ) {
9086 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9087 board[EP_STATUS] = EP_PAWN_MOVE;
9088 if( toY-fromY== -2) {
9089 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9090 gameInfo.variant != VariantBerolina || toX < fromX)
9091 board[EP_STATUS] = toX | berolina;
9092 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9093 gameInfo.variant != VariantBerolina || toX > fromX)
9094 board[EP_STATUS] = toX;
9098 for(i=0; i<nrCastlingRights; i++) {
9099 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9100 board[CASTLING][i] == toX && castlingRank[i] == toY
9101 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9104 if (fromX == toX && fromY == toY) return;
9106 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9107 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9108 if(gameInfo.variant == VariantKnightmate)
9109 king += (int) WhiteUnicorn - (int) WhiteKing;
9111 /* Code added by Tord: */
9112 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9113 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9114 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9115 board[fromY][fromX] = EmptySquare;
9116 board[toY][toX] = EmptySquare;
9117 if((toX > fromX) != (piece == WhiteRook)) {
9118 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9120 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9122 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9123 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9124 board[fromY][fromX] = EmptySquare;
9125 board[toY][toX] = EmptySquare;
9126 if((toX > fromX) != (piece == BlackRook)) {
9127 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9129 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9131 /* End of code added by Tord */
9133 } else if (board[fromY][fromX] == king
9134 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9135 && toY == fromY && toX > fromX+1) {
9136 board[fromY][fromX] = EmptySquare;
9137 board[toY][toX] = king;
9138 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9139 board[fromY][BOARD_RGHT-1] = EmptySquare;
9140 } else if (board[fromY][fromX] == king
9141 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9142 && toY == fromY && toX < fromX-1) {
9143 board[fromY][fromX] = EmptySquare;
9144 board[toY][toX] = king;
9145 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9146 board[fromY][BOARD_LEFT] = EmptySquare;
9147 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9148 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9149 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9151 /* white pawn promotion */
9152 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9153 if(gameInfo.variant==VariantBughouse ||
9154 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9155 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9156 board[fromY][fromX] = EmptySquare;
9157 } else if ((fromY >= BOARD_HEIGHT>>1)
9159 && gameInfo.variant != VariantXiangqi
9160 && gameInfo.variant != VariantBerolina
9161 && (board[fromY][fromX] == WhitePawn)
9162 && (board[toY][toX] == EmptySquare)) {
9163 board[fromY][fromX] = EmptySquare;
9164 board[toY][toX] = WhitePawn;
9165 captured = board[toY - 1][toX];
9166 board[toY - 1][toX] = EmptySquare;
9167 } else if ((fromY == BOARD_HEIGHT-4)
9169 && gameInfo.variant == VariantBerolina
9170 && (board[fromY][fromX] == WhitePawn)
9171 && (board[toY][toX] == EmptySquare)) {
9172 board[fromY][fromX] = EmptySquare;
9173 board[toY][toX] = WhitePawn;
9174 if(oldEP & EP_BEROLIN_A) {
9175 captured = board[fromY][fromX-1];
9176 board[fromY][fromX-1] = EmptySquare;
9177 }else{ captured = board[fromY][fromX+1];
9178 board[fromY][fromX+1] = EmptySquare;
9180 } else if (board[fromY][fromX] == king
9181 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9182 && toY == fromY && toX > fromX+1) {
9183 board[fromY][fromX] = EmptySquare;
9184 board[toY][toX] = king;
9185 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9186 board[fromY][BOARD_RGHT-1] = EmptySquare;
9187 } else if (board[fromY][fromX] == king
9188 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9189 && toY == fromY && toX < fromX-1) {
9190 board[fromY][fromX] = EmptySquare;
9191 board[toY][toX] = king;
9192 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9193 board[fromY][BOARD_LEFT] = EmptySquare;
9194 } else if (fromY == 7 && fromX == 3
9195 && board[fromY][fromX] == BlackKing
9196 && toY == 7 && toX == 5) {
9197 board[fromY][fromX] = EmptySquare;
9198 board[toY][toX] = BlackKing;
9199 board[fromY][7] = EmptySquare;
9200 board[toY][4] = BlackRook;
9201 } else if (fromY == 7 && fromX == 3
9202 && board[fromY][fromX] == BlackKing
9203 && toY == 7 && toX == 1) {
9204 board[fromY][fromX] = EmptySquare;
9205 board[toY][toX] = BlackKing;
9206 board[fromY][0] = EmptySquare;
9207 board[toY][2] = BlackRook;
9208 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9209 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9210 && toY < promoRank && promoChar
9212 /* black pawn promotion */
9213 board[toY][toX] = CharToPiece(ToLower(promoChar));
9214 if(gameInfo.variant==VariantBughouse ||
9215 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9216 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9217 board[fromY][fromX] = EmptySquare;
9218 } else if ((fromY < BOARD_HEIGHT>>1)
9220 && gameInfo.variant != VariantXiangqi
9221 && gameInfo.variant != VariantBerolina
9222 && (board[fromY][fromX] == BlackPawn)
9223 && (board[toY][toX] == EmptySquare)) {
9224 board[fromY][fromX] = EmptySquare;
9225 board[toY][toX] = BlackPawn;
9226 captured = board[toY + 1][toX];
9227 board[toY + 1][toX] = EmptySquare;
9228 } else if ((fromY == 3)
9230 && gameInfo.variant == VariantBerolina
9231 && (board[fromY][fromX] == BlackPawn)
9232 && (board[toY][toX] == EmptySquare)) {
9233 board[fromY][fromX] = EmptySquare;
9234 board[toY][toX] = BlackPawn;
9235 if(oldEP & EP_BEROLIN_A) {
9236 captured = board[fromY][fromX-1];
9237 board[fromY][fromX-1] = EmptySquare;
9238 }else{ captured = board[fromY][fromX+1];
9239 board[fromY][fromX+1] = EmptySquare;
9242 board[toY][toX] = board[fromY][fromX];
9243 board[fromY][fromX] = EmptySquare;
9247 if (gameInfo.holdingsWidth != 0) {
9249 /* !!A lot more code needs to be written to support holdings */
9250 /* [HGM] OK, so I have written it. Holdings are stored in the */
9251 /* penultimate board files, so they are automaticlly stored */
9252 /* in the game history. */
9253 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9254 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9255 /* Delete from holdings, by decreasing count */
9256 /* and erasing image if necessary */
9257 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9258 if(p < (int) BlackPawn) { /* white drop */
9259 p -= (int)WhitePawn;
9260 p = PieceToNumber((ChessSquare)p);
9261 if(p >= gameInfo.holdingsSize) p = 0;
9262 if(--board[p][BOARD_WIDTH-2] <= 0)
9263 board[p][BOARD_WIDTH-1] = EmptySquare;
9264 if((int)board[p][BOARD_WIDTH-2] < 0)
9265 board[p][BOARD_WIDTH-2] = 0;
9266 } else { /* black drop */
9267 p -= (int)BlackPawn;
9268 p = PieceToNumber((ChessSquare)p);
9269 if(p >= gameInfo.holdingsSize) p = 0;
9270 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9271 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9272 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9273 board[BOARD_HEIGHT-1-p][1] = 0;
9276 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9277 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9278 /* [HGM] holdings: Add to holdings, if holdings exist */
9279 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9280 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9281 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9284 if (p >= (int) BlackPawn) {
9285 p -= (int)BlackPawn;
9286 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9287 /* in Shogi restore piece to its original first */
9288 captured = (ChessSquare) (DEMOTED captured);
9291 p = PieceToNumber((ChessSquare)p);
9292 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9293 board[p][BOARD_WIDTH-2]++;
9294 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9296 p -= (int)WhitePawn;
9297 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9298 captured = (ChessSquare) (DEMOTED captured);
9301 p = PieceToNumber((ChessSquare)p);
9302 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9303 board[BOARD_HEIGHT-1-p][1]++;
9304 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9307 } else if (gameInfo.variant == VariantAtomic) {
9308 if (captured != EmptySquare) {
9310 for (y = toY-1; y <= toY+1; y++) {
9311 for (x = toX-1; x <= toX+1; x++) {
9312 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9313 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9314 board[y][x] = EmptySquare;
9318 board[toY][toX] = EmptySquare;
9321 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9322 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9324 if(promoChar == '+') {
9325 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9326 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9327 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9328 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9330 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9331 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9332 // [HGM] superchess: take promotion piece out of holdings
9333 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9334 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9335 if(!--board[k][BOARD_WIDTH-2])
9336 board[k][BOARD_WIDTH-1] = EmptySquare;
9338 if(!--board[BOARD_HEIGHT-1-k][1])
9339 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9345 /* Updates forwardMostMove */
9347 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9349 // forwardMostMove++; // [HGM] bare: moved downstream
9351 (void) CoordsToAlgebraic(boards[forwardMostMove],
9352 PosFlags(forwardMostMove),
9353 fromY, fromX, toY, toX, promoChar,
9354 parseList[forwardMostMove]);
9356 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9357 int timeLeft; static int lastLoadFlag=0; int king, piece;
9358 piece = boards[forwardMostMove][fromY][fromX];
9359 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9360 if(gameInfo.variant == VariantKnightmate)
9361 king += (int) WhiteUnicorn - (int) WhiteKing;
9362 if(forwardMostMove == 0) {
9363 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9364 fprintf(serverMoves, "%s;", UserName());
9365 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9366 fprintf(serverMoves, "%s;", second.tidy);
9367 fprintf(serverMoves, "%s;", first.tidy);
9368 if(gameMode == MachinePlaysWhite)
9369 fprintf(serverMoves, "%s;", UserName());
9370 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9371 fprintf(serverMoves, "%s;", second.tidy);
9372 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9373 lastLoadFlag = loadFlag;
9375 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9376 // print castling suffix
9377 if( toY == fromY && piece == king ) {
9379 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9381 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9384 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9385 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9386 boards[forwardMostMove][toY][toX] == EmptySquare
9387 && fromX != toX && fromY != toY)
9388 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9390 if(promoChar != NULLCHAR)
9391 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9393 char buf[MOVE_LEN*2], *p; int len;
9394 fprintf(serverMoves, "/%d/%d",
9395 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9396 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9397 else timeLeft = blackTimeRemaining/1000;
9398 fprintf(serverMoves, "/%d", timeLeft);
9399 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9400 if(p = strchr(buf, '=')) *p = NULLCHAR;
9401 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9402 fprintf(serverMoves, "/%s", buf);
9404 fflush(serverMoves);
9407 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9408 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9411 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9412 if (commentList[forwardMostMove+1] != NULL) {
9413 free(commentList[forwardMostMove+1]);
9414 commentList[forwardMostMove+1] = NULL;
9416 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9417 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9418 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9419 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9420 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9421 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9422 adjustedClock = FALSE;
9423 gameInfo.result = GameUnfinished;
9424 if (gameInfo.resultDetails != NULL) {
9425 free(gameInfo.resultDetails);
9426 gameInfo.resultDetails = NULL;
9428 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9429 moveList[forwardMostMove - 1]);
9430 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9436 if(gameInfo.variant != VariantShogi)
9437 strcat(parseList[forwardMostMove - 1], "+");
9441 strcat(parseList[forwardMostMove - 1], "#");
9447 /* Updates currentMove if not pausing */
9449 ShowMove (int fromX, int fromY, int toX, int toY)
9451 int instant = (gameMode == PlayFromGameFile) ?
9452 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9453 if(appData.noGUI) return;
9454 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9456 if (forwardMostMove == currentMove + 1) {
9457 AnimateMove(boards[forwardMostMove - 1],
9458 fromX, fromY, toX, toY);
9460 if (appData.highlightLastMove) {
9461 SetHighlights(fromX, fromY, toX, toY);
9464 currentMove = forwardMostMove;
9467 if (instant) return;
9469 DisplayMove(currentMove - 1);
9470 DrawPosition(FALSE, boards[currentMove]);
9471 DisplayBothClocks();
9472 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9476 SendEgtPath (ChessProgramState *cps)
9477 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9478 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9480 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9483 char c, *q = name+1, *r, *s;
9485 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9486 while(*p && *p != ',') *q++ = *p++;
9488 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9489 strcmp(name, ",nalimov:") == 0 ) {
9490 // take nalimov path from the menu-changeable option first, if it is defined
9491 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9492 SendToProgram(buf,cps); // send egtbpath command for nalimov
9494 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9495 (s = StrStr(appData.egtFormats, name)) != NULL) {
9496 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9497 s = r = StrStr(s, ":") + 1; // beginning of path info
9498 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9499 c = *r; *r = 0; // temporarily null-terminate path info
9500 *--q = 0; // strip of trailig ':' from name
9501 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9503 SendToProgram(buf,cps); // send egtbpath command for this format
9505 if(*p == ',') p++; // read away comma to position for next format name
9510 InitChessProgram (ChessProgramState *cps, int setup)
9511 /* setup needed to setup FRC opening position */
9513 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9514 if (appData.noChessProgram) return;
9515 hintRequested = FALSE;
9516 bookRequested = FALSE;
9518 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9519 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9520 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9521 if(cps->memSize) { /* [HGM] memory */
9522 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9523 SendToProgram(buf, cps);
9525 SendEgtPath(cps); /* [HGM] EGT */
9526 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9527 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9528 SendToProgram(buf, cps);
9531 SendToProgram(cps->initString, cps);
9532 if (gameInfo.variant != VariantNormal &&
9533 gameInfo.variant != VariantLoadable
9534 /* [HGM] also send variant if board size non-standard */
9535 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9537 char *v = VariantName(gameInfo.variant);
9538 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9539 /* [HGM] in protocol 1 we have to assume all variants valid */
9540 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9541 DisplayFatalError(buf, 0, 1);
9545 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9546 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9547 if( gameInfo.variant == VariantXiangqi )
9548 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9549 if( gameInfo.variant == VariantShogi )
9550 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9551 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9552 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9553 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9554 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9555 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9556 if( gameInfo.variant == VariantCourier )
9557 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9558 if( gameInfo.variant == VariantSuper )
9559 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9560 if( gameInfo.variant == VariantGreat )
9561 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9562 if( gameInfo.variant == VariantSChess )
9563 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9564 if( gameInfo.variant == VariantGrand )
9565 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9568 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9569 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9570 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9571 if(StrStr(cps->variants, b) == NULL) {
9572 // specific sized variant not known, check if general sizing allowed
9573 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9574 if(StrStr(cps->variants, "boardsize") == NULL) {
9575 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9576 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9577 DisplayFatalError(buf, 0, 1);
9580 /* [HGM] here we really should compare with the maximum supported board size */
9583 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9584 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9585 SendToProgram(buf, cps);
9587 currentlyInitializedVariant = gameInfo.variant;
9589 /* [HGM] send opening position in FRC to first engine */
9591 SendToProgram("force\n", cps);
9593 /* engine is now in force mode! Set flag to wake it up after first move. */
9594 setboardSpoiledMachineBlack = 1;
9598 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9599 SendToProgram(buf, cps);
9601 cps->maybeThinking = FALSE;
9602 cps->offeredDraw = 0;
9603 if (!appData.icsActive) {
9604 SendTimeControl(cps, movesPerSession, timeControl,
9605 timeIncrement, appData.searchDepth,
9608 if (appData.showThinking
9609 // [HGM] thinking: four options require thinking output to be sent
9610 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9612 SendToProgram("post\n", cps);
9614 SendToProgram("hard\n", cps);
9615 if (!appData.ponderNextMove) {
9616 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9617 it without being sure what state we are in first. "hard"
9618 is not a toggle, so that one is OK.
9620 SendToProgram("easy\n", cps);
9623 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9624 SendToProgram(buf, cps);
9626 cps->initDone = TRUE;
9627 ClearEngineOutputPane(cps == &second);
9632 StartChessProgram (ChessProgramState *cps)
9637 if (appData.noChessProgram) return;
9638 cps->initDone = FALSE;
9640 if (strcmp(cps->host, "localhost") == 0) {
9641 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9642 } else if (*appData.remoteShell == NULLCHAR) {
9643 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9645 if (*appData.remoteUser == NULLCHAR) {
9646 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9649 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9650 cps->host, appData.remoteUser, cps->program);
9652 err = StartChildProcess(buf, "", &cps->pr);
9656 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9657 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9658 if(cps != &first) return;
9659 appData.noChessProgram = TRUE;
9662 // DisplayFatalError(buf, err, 1);
9663 // cps->pr = NoProc;
9668 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9669 if (cps->protocolVersion > 1) {
9670 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9671 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9672 cps->comboCnt = 0; // and values of combo boxes
9673 SendToProgram(buf, cps);
9675 SendToProgram("xboard\n", cps);
9680 TwoMachinesEventIfReady P((void))
9682 static int curMess = 0;
9683 if (first.lastPing != first.lastPong) {
9684 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9685 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9688 if (second.lastPing != second.lastPong) {
9689 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9690 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9693 DisplayMessage("", ""); curMess = 0;
9699 MakeName (char *template)
9703 static char buf[MSG_SIZ];
9707 clock = time((time_t *)NULL);
9708 tm = localtime(&clock);
9710 while(*p++ = *template++) if(p[-1] == '%') {
9711 switch(*template++) {
9712 case 0: *p = 0; return buf;
9713 case 'Y': i = tm->tm_year+1900; break;
9714 case 'y': i = tm->tm_year-100; break;
9715 case 'M': i = tm->tm_mon+1; break;
9716 case 'd': i = tm->tm_mday; break;
9717 case 'h': i = tm->tm_hour; break;
9718 case 'm': i = tm->tm_min; break;
9719 case 's': i = tm->tm_sec; break;
9722 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9728 CountPlayers (char *p)
9731 while(p = strchr(p, '\n')) p++, n++; // count participants
9736 WriteTourneyFile (char *results, FILE *f)
9737 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9738 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9739 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9740 // create a file with tournament description
9741 fprintf(f, "-participants {%s}\n", appData.participants);
9742 fprintf(f, "-seedBase %d\n", appData.seedBase);
9743 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9744 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9745 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9746 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9747 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9748 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9749 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9750 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9751 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9752 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9753 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9754 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9756 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9758 fprintf(f, "-mps %d\n", appData.movesPerSession);
9759 fprintf(f, "-tc %s\n", appData.timeControl);
9760 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9762 fprintf(f, "-results \"%s\"\n", results);
9767 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9770 Substitute (char *participants, int expunge)
9772 int i, changed, changes=0, nPlayers=0;
9773 char *p, *q, *r, buf[MSG_SIZ];
9774 if(participants == NULL) return;
9775 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9776 r = p = participants; q = appData.participants;
9777 while(*p && *p == *q) {
9778 if(*p == '\n') r = p+1, nPlayers++;
9781 if(*p) { // difference
9782 while(*p && *p++ != '\n');
9783 while(*q && *q++ != '\n');
9785 changes = 1 + (strcmp(p, q) != 0);
9787 if(changes == 1) { // a single engine mnemonic was changed
9788 q = r; while(*q) nPlayers += (*q++ == '\n');
9789 p = buf; while(*r && (*p = *r++) != '\n') p++;
9791 NamesToList(firstChessProgramNames, command, mnemonic, "all");
9792 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9793 if(mnemonic[i]) { // The substitute is valid
9795 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9796 flock(fileno(f), LOCK_EX);
9797 ParseArgsFromFile(f);
9798 fseek(f, 0, SEEK_SET);
9799 FREE(appData.participants); appData.participants = participants;
9800 if(expunge) { // erase results of replaced engine
9801 int len = strlen(appData.results), w, b, dummy;
9802 for(i=0; i<len; i++) {
9803 Pairing(i, nPlayers, &w, &b, &dummy);
9804 if((w == changed || b == changed) && appData.results[i] == '*') {
9805 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9810 for(i=0; i<len; i++) {
9811 Pairing(i, nPlayers, &w, &b, &dummy);
9812 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9815 WriteTourneyFile(appData.results, f);
9816 fclose(f); // release lock
9819 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9821 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9822 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9828 CreateTourney (char *name)
9831 if(matchMode && strcmp(name, appData.tourneyFile)) {
9832 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9834 if(name[0] == NULLCHAR) {
9835 if(appData.participants[0])
9836 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9839 f = fopen(name, "r");
9840 if(f) { // file exists
9841 ASSIGN(appData.tourneyFile, name);
9842 ParseArgsFromFile(f); // parse it
9844 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9845 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9846 DisplayError(_("Not enough participants"), 0);
9849 ASSIGN(appData.tourneyFile, name);
9850 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9851 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9854 appData.noChessProgram = FALSE;
9855 appData.clockMode = TRUE;
9861 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
9863 char buf[MSG_SIZ], *p, *q;
9864 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
9865 skip = !all && group[0]; // if group requested, we start in skip mode
9866 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
9867 p = names; q = buf; header = 0;
9868 while(*p && *p != '\n') *q++ = *p++;
9872 if(strstr(buf, "# end") == buf) { depth--; continue; } // leave group, and suppress printing label
9873 depth++; // we must be entering a new group
9874 if(all) continue; // suppress printing group headers when complete list requested
9876 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
9878 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
9879 if(engineList[i]) free(engineList[i]);
9880 engineList[i] = strdup(buf);
9881 if(buf[0] != '#') TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
9882 if(engineMnemonic[i]) free(engineMnemonic[i]);
9883 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9885 sscanf(q + 8, "%s", buf + strlen(buf));
9888 engineMnemonic[i] = strdup(buf);
9891 engineList[i] = engineMnemonic[i] = NULL;
9895 // following implemented as macro to avoid type limitations
9896 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9900 { // swap settings for first engine and other engine (so far only some selected options)
9905 SWAP(chessProgram, p)
9907 SWAP(hasOwnBookUCI, h)
9908 SWAP(protocolVersion, h)
9910 SWAP(scoreIsAbsolute, h)
9919 SetPlayer (int player, char *p)
9920 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9922 char buf[MSG_SIZ], *engineName;
9923 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9924 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9925 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9927 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9928 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9929 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
9930 ParseArgsFromString(buf);
9936 char *recentEngines;
9939 RecentEngineEvent (int nr)
9942 // SwapEngines(1); // bump first to second
9943 // ReplaceEngine(&second, 1); // and load it there
9944 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
9945 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
9946 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
9947 ReplaceEngine(&first, 0);
9948 FloatToFront(&appData.recentEngineList, command[n]);
9953 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9954 { // determine players from game number
9955 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9957 if(appData.tourneyType == 0) {
9958 roundsPerCycle = (nPlayers - 1) | 1;
9959 pairingsPerRound = nPlayers / 2;
9960 } else if(appData.tourneyType > 0) {
9961 roundsPerCycle = nPlayers - appData.tourneyType;
9962 pairingsPerRound = appData.tourneyType;
9964 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9965 gamesPerCycle = gamesPerRound * roundsPerCycle;
9966 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9967 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9968 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9969 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9970 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9971 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9973 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9974 if(appData.roundSync) *syncInterval = gamesPerRound;
9976 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9978 if(appData.tourneyType == 0) {
9979 if(curPairing == (nPlayers-1)/2 ) {
9980 *whitePlayer = curRound;
9981 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9983 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9984 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9985 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9986 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9988 } else if(appData.tourneyType > 1) {
9989 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
9990 *whitePlayer = curRound + appData.tourneyType;
9991 } else if(appData.tourneyType > 0) {
9992 *whitePlayer = curPairing;
9993 *blackPlayer = curRound + appData.tourneyType;
9996 // take care of white/black alternation per round.
9997 // For cycles and games this is already taken care of by default, derived from matchGame!
9998 return curRound & 1;
10002 NextTourneyGame (int nr, int *swapColors)
10003 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10005 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10007 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10008 tf = fopen(appData.tourneyFile, "r");
10009 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10010 ParseArgsFromFile(tf); fclose(tf);
10011 InitTimeControls(); // TC might be altered from tourney file
10013 nPlayers = CountPlayers(appData.participants); // count participants
10014 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10015 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10018 p = q = appData.results;
10019 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10020 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10021 DisplayMessage(_("Waiting for other game(s)"),"");
10022 waitingForGame = TRUE;
10023 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10026 waitingForGame = FALSE;
10029 if(appData.tourneyType < 0) {
10030 if(nr>=0 && !pairingReceived) {
10032 if(pairing.pr == NoProc) {
10033 if(!appData.pairingEngine[0]) {
10034 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10037 StartChessProgram(&pairing); // starts the pairing engine
10039 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10040 SendToProgram(buf, &pairing);
10041 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10042 SendToProgram(buf, &pairing);
10043 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10045 pairingReceived = 0; // ... so we continue here
10047 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10048 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10049 matchGame = 1; roundNr = nr / syncInterval + 1;
10052 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10054 // redefine engines, engine dir, etc.
10055 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10056 if(first.pr == NoProc) {
10057 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10058 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10060 if(second.pr == NoProc) {
10062 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10063 SwapEngines(1); // and make that valid for second engine by swapping
10064 InitEngine(&second, 1);
10066 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10067 UpdateLogos(FALSE); // leave display to ModeHiglight()
10073 { // performs game initialization that does not invoke engines, and then tries to start the game
10074 int res, firstWhite, swapColors = 0;
10075 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10076 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
10078 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10079 if(strcmp(buf, currentDebugFile)) { // name has changed
10080 FILE *f = fopen(buf, "w");
10081 if(f) { // if opening the new file failed, just keep using the old one
10082 ASSIGN(currentDebugFile, buf);
10086 if(appData.serverFileName) {
10087 if(serverFP) fclose(serverFP);
10088 serverFP = fopen(appData.serverFileName, "w");
10089 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10090 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10094 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10095 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10096 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10097 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10098 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10099 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10100 Reset(FALSE, first.pr != NoProc);
10101 res = LoadGameOrPosition(matchGame); // setup game
10102 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10103 if(!res) return; // abort when bad game/pos file
10104 TwoMachinesEvent();
10108 UserAdjudicationEvent (int result)
10110 ChessMove gameResult = GameIsDrawn;
10113 gameResult = WhiteWins;
10115 else if( result < 0 ) {
10116 gameResult = BlackWins;
10119 if( gameMode == TwoMachinesPlay ) {
10120 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10125 // [HGM] save: calculate checksum of game to make games easily identifiable
10127 StringCheckSum (char *s)
10130 if(s==NULL) return 0;
10131 while(*s) i = i*259 + *s++;
10139 for(i=backwardMostMove; i<forwardMostMove; i++) {
10140 sum += pvInfoList[i].depth;
10141 sum += StringCheckSum(parseList[i]);
10142 sum += StringCheckSum(commentList[i]);
10145 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10146 return sum + StringCheckSum(commentList[i]);
10147 } // end of save patch
10150 GameEnds (ChessMove result, char *resultDetails, int whosays)
10152 GameMode nextGameMode;
10154 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10156 if(endingGame) return; /* [HGM] crash: forbid recursion */
10158 if(twoBoards) { // [HGM] dual: switch back to one board
10159 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10160 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10162 if (appData.debugMode) {
10163 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10164 result, resultDetails ? resultDetails : "(null)", whosays);
10167 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10169 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10170 /* If we are playing on ICS, the server decides when the
10171 game is over, but the engine can offer to draw, claim
10175 if (appData.zippyPlay && first.initDone) {
10176 if (result == GameIsDrawn) {
10177 /* In case draw still needs to be claimed */
10178 SendToICS(ics_prefix);
10179 SendToICS("draw\n");
10180 } else if (StrCaseStr(resultDetails, "resign")) {
10181 SendToICS(ics_prefix);
10182 SendToICS("resign\n");
10186 endingGame = 0; /* [HGM] crash */
10190 /* If we're loading the game from a file, stop */
10191 if (whosays == GE_FILE) {
10192 (void) StopLoadGameTimer();
10196 /* Cancel draw offers */
10197 first.offeredDraw = second.offeredDraw = 0;
10199 /* If this is an ICS game, only ICS can really say it's done;
10200 if not, anyone can. */
10201 isIcsGame = (gameMode == IcsPlayingWhite ||
10202 gameMode == IcsPlayingBlack ||
10203 gameMode == IcsObserving ||
10204 gameMode == IcsExamining);
10206 if (!isIcsGame || whosays == GE_ICS) {
10207 /* OK -- not an ICS game, or ICS said it was done */
10209 if (!isIcsGame && !appData.noChessProgram)
10210 SetUserThinkingEnables();
10212 /* [HGM] if a machine claims the game end we verify this claim */
10213 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10214 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10216 ChessMove trueResult = (ChessMove) -1;
10218 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10219 first.twoMachinesColor[0] :
10220 second.twoMachinesColor[0] ;
10222 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10223 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10224 /* [HGM] verify: engine mate claims accepted if they were flagged */
10225 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10227 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10228 /* [HGM] verify: engine mate claims accepted if they were flagged */
10229 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10231 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10232 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10235 // now verify win claims, but not in drop games, as we don't understand those yet
10236 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10237 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10238 (result == WhiteWins && claimer == 'w' ||
10239 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10240 if (appData.debugMode) {
10241 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10242 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10244 if(result != trueResult) {
10245 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10246 result = claimer == 'w' ? BlackWins : WhiteWins;
10247 resultDetails = buf;
10250 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10251 && (forwardMostMove <= backwardMostMove ||
10252 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10253 (claimer=='b')==(forwardMostMove&1))
10255 /* [HGM] verify: draws that were not flagged are false claims */
10256 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10257 result = claimer == 'w' ? BlackWins : WhiteWins;
10258 resultDetails = buf;
10260 /* (Claiming a loss is accepted no questions asked!) */
10262 /* [HGM] bare: don't allow bare King to win */
10263 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10264 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10265 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10266 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10267 && result != GameIsDrawn)
10268 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10269 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10270 int p = (signed char)boards[forwardMostMove][i][j] - color;
10271 if(p >= 0 && p <= (int)WhiteKing) k++;
10273 if (appData.debugMode) {
10274 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10275 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10278 result = GameIsDrawn;
10279 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10280 resultDetails = buf;
10286 if(serverMoves != NULL && !loadFlag) { char c = '=';
10287 if(result==WhiteWins) c = '+';
10288 if(result==BlackWins) c = '-';
10289 if(resultDetails != NULL)
10290 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10292 if (resultDetails != NULL) {
10293 gameInfo.result = result;
10294 gameInfo.resultDetails = StrSave(resultDetails);
10296 /* display last move only if game was not loaded from file */
10297 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10298 DisplayMove(currentMove - 1);
10300 if (forwardMostMove != 0) {
10301 if (gameMode != PlayFromGameFile && gameMode != EditGame
10302 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10304 if (*appData.saveGameFile != NULLCHAR) {
10305 SaveGameToFile(appData.saveGameFile, TRUE);
10306 } else if (appData.autoSaveGames) {
10309 if (*appData.savePositionFile != NULLCHAR) {
10310 SavePositionToFile(appData.savePositionFile);
10315 /* Tell program how game ended in case it is learning */
10316 /* [HGM] Moved this to after saving the PGN, just in case */
10317 /* engine died and we got here through time loss. In that */
10318 /* case we will get a fatal error writing the pipe, which */
10319 /* would otherwise lose us the PGN. */
10320 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10321 /* output during GameEnds should never be fatal anymore */
10322 if (gameMode == MachinePlaysWhite ||
10323 gameMode == MachinePlaysBlack ||
10324 gameMode == TwoMachinesPlay ||
10325 gameMode == IcsPlayingWhite ||
10326 gameMode == IcsPlayingBlack ||
10327 gameMode == BeginningOfGame) {
10329 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10331 if (first.pr != NoProc) {
10332 SendToProgram(buf, &first);
10334 if (second.pr != NoProc &&
10335 gameMode == TwoMachinesPlay) {
10336 SendToProgram(buf, &second);
10341 if (appData.icsActive) {
10342 if (appData.quietPlay &&
10343 (gameMode == IcsPlayingWhite ||
10344 gameMode == IcsPlayingBlack)) {
10345 SendToICS(ics_prefix);
10346 SendToICS("set shout 1\n");
10348 nextGameMode = IcsIdle;
10349 ics_user_moved = FALSE;
10350 /* clean up premove. It's ugly when the game has ended and the
10351 * premove highlights are still on the board.
10354 gotPremove = FALSE;
10355 ClearPremoveHighlights();
10356 DrawPosition(FALSE, boards[currentMove]);
10358 if (whosays == GE_ICS) {
10361 if (gameMode == IcsPlayingWhite)
10363 else if(gameMode == IcsPlayingBlack)
10364 PlayIcsLossSound();
10367 if (gameMode == IcsPlayingBlack)
10369 else if(gameMode == IcsPlayingWhite)
10370 PlayIcsLossSound();
10373 PlayIcsDrawSound();
10376 PlayIcsUnfinishedSound();
10379 } else if (gameMode == EditGame ||
10380 gameMode == PlayFromGameFile ||
10381 gameMode == AnalyzeMode ||
10382 gameMode == AnalyzeFile) {
10383 nextGameMode = gameMode;
10385 nextGameMode = EndOfGame;
10390 nextGameMode = gameMode;
10393 if (appData.noChessProgram) {
10394 gameMode = nextGameMode;
10396 endingGame = 0; /* [HGM] crash */
10401 /* Put first chess program into idle state */
10402 if (first.pr != NoProc &&
10403 (gameMode == MachinePlaysWhite ||
10404 gameMode == MachinePlaysBlack ||
10405 gameMode == TwoMachinesPlay ||
10406 gameMode == IcsPlayingWhite ||
10407 gameMode == IcsPlayingBlack ||
10408 gameMode == BeginningOfGame)) {
10409 SendToProgram("force\n", &first);
10410 if (first.usePing) {
10412 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10413 SendToProgram(buf, &first);
10416 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10417 /* Kill off first chess program */
10418 if (first.isr != NULL)
10419 RemoveInputSource(first.isr);
10422 if (first.pr != NoProc) {
10424 DoSleep( appData.delayBeforeQuit );
10425 SendToProgram("quit\n", &first);
10426 DoSleep( appData.delayAfterQuit );
10427 DestroyChildProcess(first.pr, first.useSigterm);
10431 if (second.reuse) {
10432 /* Put second chess program into idle state */
10433 if (second.pr != NoProc &&
10434 gameMode == TwoMachinesPlay) {
10435 SendToProgram("force\n", &second);
10436 if (second.usePing) {
10438 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10439 SendToProgram(buf, &second);
10442 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10443 /* Kill off second chess program */
10444 if (second.isr != NULL)
10445 RemoveInputSource(second.isr);
10448 if (second.pr != NoProc) {
10449 DoSleep( appData.delayBeforeQuit );
10450 SendToProgram("quit\n", &second);
10451 DoSleep( appData.delayAfterQuit );
10452 DestroyChildProcess(second.pr, second.useSigterm);
10454 second.pr = NoProc;
10457 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10458 char resChar = '=';
10462 if (first.twoMachinesColor[0] == 'w') {
10465 second.matchWins++;
10470 if (first.twoMachinesColor[0] == 'b') {
10473 second.matchWins++;
10476 case GameUnfinished:
10482 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10483 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10484 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10485 ReserveGame(nextGame, resChar); // sets nextGame
10486 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10487 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10488 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10490 if (nextGame <= appData.matchGames && !abortMatch) {
10491 gameMode = nextGameMode;
10492 matchGame = nextGame; // this will be overruled in tourney mode!
10493 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10494 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10495 endingGame = 0; /* [HGM] crash */
10498 gameMode = nextGameMode;
10499 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10500 first.tidy, second.tidy,
10501 first.matchWins, second.matchWins,
10502 appData.matchGames - (first.matchWins + second.matchWins));
10503 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10504 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10505 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10506 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10507 first.twoMachinesColor = "black\n";
10508 second.twoMachinesColor = "white\n";
10510 first.twoMachinesColor = "white\n";
10511 second.twoMachinesColor = "black\n";
10515 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10516 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10518 gameMode = nextGameMode;
10520 endingGame = 0; /* [HGM] crash */
10521 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10522 if(matchMode == TRUE) { // match through command line: exit with or without popup
10524 ToNrEvent(forwardMostMove);
10525 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10527 } else DisplayFatalError(buf, 0, 0);
10528 } else { // match through menu; just stop, with or without popup
10529 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10532 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10533 } else DisplayNote(buf);
10535 if(ranking) free(ranking);
10539 /* Assumes program was just initialized (initString sent).
10540 Leaves program in force mode. */
10542 FeedMovesToProgram (ChessProgramState *cps, int upto)
10546 if (appData.debugMode)
10547 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10548 startedFromSetupPosition ? "position and " : "",
10549 backwardMostMove, upto, cps->which);
10550 if(currentlyInitializedVariant != gameInfo.variant) {
10552 // [HGM] variantswitch: make engine aware of new variant
10553 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10554 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10555 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10556 SendToProgram(buf, cps);
10557 currentlyInitializedVariant = gameInfo.variant;
10559 SendToProgram("force\n", cps);
10560 if (startedFromSetupPosition) {
10561 SendBoard(cps, backwardMostMove);
10562 if (appData.debugMode) {
10563 fprintf(debugFP, "feedMoves\n");
10566 for (i = backwardMostMove; i < upto; i++) {
10567 SendMoveToProgram(i, cps);
10573 ResurrectChessProgram ()
10575 /* The chess program may have exited.
10576 If so, restart it and feed it all the moves made so far. */
10577 static int doInit = 0;
10579 if (appData.noChessProgram) return 1;
10581 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10582 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10583 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10584 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10586 if (first.pr != NoProc) return 1;
10587 StartChessProgram(&first);
10589 InitChessProgram(&first, FALSE);
10590 FeedMovesToProgram(&first, currentMove);
10592 if (!first.sendTime) {
10593 /* can't tell gnuchess what its clock should read,
10594 so we bow to its notion. */
10596 timeRemaining[0][currentMove] = whiteTimeRemaining;
10597 timeRemaining[1][currentMove] = blackTimeRemaining;
10600 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10601 appData.icsEngineAnalyze) && first.analysisSupport) {
10602 SendToProgram("analyze\n", &first);
10603 first.analyzing = TRUE;
10609 * Button procedures
10612 Reset (int redraw, int init)
10616 if (appData.debugMode) {
10617 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10618 redraw, init, gameMode);
10620 CleanupTail(); // [HGM] vari: delete any stored variations
10621 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10622 pausing = pauseExamInvalid = FALSE;
10623 startedFromSetupPosition = blackPlaysFirst = FALSE;
10625 whiteFlag = blackFlag = FALSE;
10626 userOfferedDraw = FALSE;
10627 hintRequested = bookRequested = FALSE;
10628 first.maybeThinking = FALSE;
10629 second.maybeThinking = FALSE;
10630 first.bookSuspend = FALSE; // [HGM] book
10631 second.bookSuspend = FALSE;
10632 thinkOutput[0] = NULLCHAR;
10633 lastHint[0] = NULLCHAR;
10634 ClearGameInfo(&gameInfo);
10635 gameInfo.variant = StringToVariant(appData.variant);
10636 ics_user_moved = ics_clock_paused = FALSE;
10637 ics_getting_history = H_FALSE;
10639 white_holding[0] = black_holding[0] = NULLCHAR;
10640 ClearProgramStats();
10641 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10645 flipView = appData.flipView;
10646 ClearPremoveHighlights();
10647 gotPremove = FALSE;
10648 alarmSounded = FALSE;
10650 GameEnds(EndOfFile, NULL, GE_PLAYER);
10651 if(appData.serverMovesName != NULL) {
10652 /* [HGM] prepare to make moves file for broadcasting */
10653 clock_t t = clock();
10654 if(serverMoves != NULL) fclose(serverMoves);
10655 serverMoves = fopen(appData.serverMovesName, "r");
10656 if(serverMoves != NULL) {
10657 fclose(serverMoves);
10658 /* delay 15 sec before overwriting, so all clients can see end */
10659 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10661 serverMoves = fopen(appData.serverMovesName, "w");
10665 gameMode = BeginningOfGame;
10667 if(appData.icsActive) gameInfo.variant = VariantNormal;
10668 currentMove = forwardMostMove = backwardMostMove = 0;
10669 MarkTargetSquares(1);
10670 InitPosition(redraw);
10671 for (i = 0; i < MAX_MOVES; i++) {
10672 if (commentList[i] != NULL) {
10673 free(commentList[i]);
10674 commentList[i] = NULL;
10678 timeRemaining[0][0] = whiteTimeRemaining;
10679 timeRemaining[1][0] = blackTimeRemaining;
10681 if (first.pr == NoProc) {
10682 StartChessProgram(&first);
10685 InitChessProgram(&first, startedFromSetupPosition);
10688 DisplayMessage("", "");
10689 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10690 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10694 AutoPlayGameLoop ()
10697 if (!AutoPlayOneMove())
10699 if (matchMode || appData.timeDelay == 0)
10701 if (appData.timeDelay < 0)
10703 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10712 int fromX, fromY, toX, toY;
10714 if (appData.debugMode) {
10715 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10718 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10721 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10722 pvInfoList[currentMove].depth = programStats.depth;
10723 pvInfoList[currentMove].score = programStats.score;
10724 pvInfoList[currentMove].time = 0;
10725 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10728 if (currentMove >= forwardMostMove) {
10729 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10730 // gameMode = EndOfGame;
10731 // ModeHighlight();
10733 /* [AS] Clear current move marker at the end of a game */
10734 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10739 toX = moveList[currentMove][2] - AAA;
10740 toY = moveList[currentMove][3] - ONE;
10742 if (moveList[currentMove][1] == '@') {
10743 if (appData.highlightLastMove) {
10744 SetHighlights(-1, -1, toX, toY);
10747 fromX = moveList[currentMove][0] - AAA;
10748 fromY = moveList[currentMove][1] - ONE;
10750 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10752 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10754 if (appData.highlightLastMove) {
10755 SetHighlights(fromX, fromY, toX, toY);
10758 DisplayMove(currentMove);
10759 SendMoveToProgram(currentMove++, &first);
10760 DisplayBothClocks();
10761 DrawPosition(FALSE, boards[currentMove]);
10762 // [HGM] PV info: always display, routine tests if empty
10763 DisplayComment(currentMove - 1, commentList[currentMove]);
10769 LoadGameOneMove (ChessMove readAhead)
10771 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10772 char promoChar = NULLCHAR;
10773 ChessMove moveType;
10774 char move[MSG_SIZ];
10777 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10778 gameMode != AnalyzeMode && gameMode != Training) {
10783 yyboardindex = forwardMostMove;
10784 if (readAhead != EndOfFile) {
10785 moveType = readAhead;
10787 if (gameFileFP == NULL)
10789 moveType = (ChessMove) Myylex();
10793 switch (moveType) {
10795 if (appData.debugMode)
10796 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10799 /* append the comment but don't display it */
10800 AppendComment(currentMove, p, FALSE);
10803 case WhiteCapturesEnPassant:
10804 case BlackCapturesEnPassant:
10805 case WhitePromotion:
10806 case BlackPromotion:
10807 case WhiteNonPromotion:
10808 case BlackNonPromotion:
10810 case WhiteKingSideCastle:
10811 case WhiteQueenSideCastle:
10812 case BlackKingSideCastle:
10813 case BlackQueenSideCastle:
10814 case WhiteKingSideCastleWild:
10815 case WhiteQueenSideCastleWild:
10816 case BlackKingSideCastleWild:
10817 case BlackQueenSideCastleWild:
10819 case WhiteHSideCastleFR:
10820 case WhiteASideCastleFR:
10821 case BlackHSideCastleFR:
10822 case BlackASideCastleFR:
10824 if (appData.debugMode)
10825 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10826 fromX = currentMoveString[0] - AAA;
10827 fromY = currentMoveString[1] - ONE;
10828 toX = currentMoveString[2] - AAA;
10829 toY = currentMoveString[3] - ONE;
10830 promoChar = currentMoveString[4];
10835 if (appData.debugMode)
10836 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10837 fromX = moveType == WhiteDrop ?
10838 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10839 (int) CharToPiece(ToLower(currentMoveString[0]));
10841 toX = currentMoveString[2] - AAA;
10842 toY = currentMoveString[3] - ONE;
10848 case GameUnfinished:
10849 if (appData.debugMode)
10850 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10851 p = strchr(yy_text, '{');
10852 if (p == NULL) p = strchr(yy_text, '(');
10855 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10857 q = strchr(p, *p == '{' ? '}' : ')');
10858 if (q != NULL) *q = NULLCHAR;
10861 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10862 GameEnds(moveType, p, GE_FILE);
10864 if (cmailMsgLoaded) {
10866 flipView = WhiteOnMove(currentMove);
10867 if (moveType == GameUnfinished) flipView = !flipView;
10868 if (appData.debugMode)
10869 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10874 if (appData.debugMode)
10875 fprintf(debugFP, "Parser hit end of file\n");
10876 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10882 if (WhiteOnMove(currentMove)) {
10883 GameEnds(BlackWins, "Black mates", GE_FILE);
10885 GameEnds(WhiteWins, "White mates", GE_FILE);
10889 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10895 case MoveNumberOne:
10896 if (lastLoadGameStart == GNUChessGame) {
10897 /* GNUChessGames have numbers, but they aren't move numbers */
10898 if (appData.debugMode)
10899 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10900 yy_text, (int) moveType);
10901 return LoadGameOneMove(EndOfFile); /* tail recursion */
10903 /* else fall thru */
10908 /* Reached start of next game in file */
10909 if (appData.debugMode)
10910 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10911 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10917 if (WhiteOnMove(currentMove)) {
10918 GameEnds(BlackWins, "Black mates", GE_FILE);
10920 GameEnds(WhiteWins, "White mates", GE_FILE);
10924 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10930 case PositionDiagram: /* should not happen; ignore */
10931 case ElapsedTime: /* ignore */
10932 case NAG: /* ignore */
10933 if (appData.debugMode)
10934 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10935 yy_text, (int) moveType);
10936 return LoadGameOneMove(EndOfFile); /* tail recursion */
10939 if (appData.testLegality) {
10940 if (appData.debugMode)
10941 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10942 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10943 (forwardMostMove / 2) + 1,
10944 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10945 DisplayError(move, 0);
10948 if (appData.debugMode)
10949 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10950 yy_text, currentMoveString);
10951 fromX = currentMoveString[0] - AAA;
10952 fromY = currentMoveString[1] - ONE;
10953 toX = currentMoveString[2] - AAA;
10954 toY = currentMoveString[3] - ONE;
10955 promoChar = currentMoveString[4];
10959 case AmbiguousMove:
10960 if (appData.debugMode)
10961 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10962 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10963 (forwardMostMove / 2) + 1,
10964 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10965 DisplayError(move, 0);
10970 case ImpossibleMove:
10971 if (appData.debugMode)
10972 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10973 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10974 (forwardMostMove / 2) + 1,
10975 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10976 DisplayError(move, 0);
10982 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10983 DrawPosition(FALSE, boards[currentMove]);
10984 DisplayBothClocks();
10985 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10986 DisplayComment(currentMove - 1, commentList[currentMove]);
10988 (void) StopLoadGameTimer();
10990 cmailOldMove = forwardMostMove;
10993 /* currentMoveString is set as a side-effect of yylex */
10995 thinkOutput[0] = NULLCHAR;
10996 MakeMove(fromX, fromY, toX, toY, promoChar);
10997 currentMove = forwardMostMove;
11002 /* Load the nth game from the given file */
11004 LoadGameFromFile (char *filename, int n, char *title, int useList)
11009 if (strcmp(filename, "-") == 0) {
11013 f = fopen(filename, "rb");
11015 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11016 DisplayError(buf, errno);
11020 if (fseek(f, 0, 0) == -1) {
11021 /* f is not seekable; probably a pipe */
11024 if (useList && n == 0) {
11025 int error = GameListBuild(f);
11027 DisplayError(_("Cannot build game list"), error);
11028 } else if (!ListEmpty(&gameList) &&
11029 ((ListGame *) gameList.tailPred)->number > 1) {
11030 GameListPopUp(f, title);
11037 return LoadGame(f, n, title, FALSE);
11042 MakeRegisteredMove ()
11044 int fromX, fromY, toX, toY;
11046 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11047 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11050 if (appData.debugMode)
11051 fprintf(debugFP, "Restoring %s for game %d\n",
11052 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11054 thinkOutput[0] = NULLCHAR;
11055 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11056 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11057 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11058 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11059 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11060 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11061 MakeMove(fromX, fromY, toX, toY, promoChar);
11062 ShowMove(fromX, fromY, toX, toY);
11064 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11071 if (WhiteOnMove(currentMove)) {
11072 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11074 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11079 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11086 if (WhiteOnMove(currentMove)) {
11087 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11089 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11094 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11105 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11107 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11111 if (gameNumber > nCmailGames) {
11112 DisplayError(_("No more games in this message"), 0);
11115 if (f == lastLoadGameFP) {
11116 int offset = gameNumber - lastLoadGameNumber;
11118 cmailMsg[0] = NULLCHAR;
11119 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11120 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11121 nCmailMovesRegistered--;
11123 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11124 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11125 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11128 if (! RegisterMove()) return FALSE;
11132 retVal = LoadGame(f, gameNumber, title, useList);
11134 /* Make move registered during previous look at this game, if any */
11135 MakeRegisteredMove();
11137 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11138 commentList[currentMove]
11139 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11140 DisplayComment(currentMove - 1, commentList[currentMove]);
11146 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11148 ReloadGame (int offset)
11150 int gameNumber = lastLoadGameNumber + offset;
11151 if (lastLoadGameFP == NULL) {
11152 DisplayError(_("No game has been loaded yet"), 0);
11155 if (gameNumber <= 0) {
11156 DisplayError(_("Can't back up any further"), 0);
11159 if (cmailMsgLoaded) {
11160 return CmailLoadGame(lastLoadGameFP, gameNumber,
11161 lastLoadGameTitle, lastLoadGameUseList);
11163 return LoadGame(lastLoadGameFP, gameNumber,
11164 lastLoadGameTitle, lastLoadGameUseList);
11168 int keys[EmptySquare+1];
11171 PositionMatches (Board b1, Board b2)
11174 switch(appData.searchMode) {
11175 case 1: return CompareWithRights(b1, b2);
11177 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11178 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11182 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11183 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11184 sum += keys[b1[r][f]] - keys[b2[r][f]];
11188 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11189 sum += keys[b1[r][f]] - keys[b2[r][f]];
11201 int pieceList[256], quickBoard[256];
11202 ChessSquare pieceType[256] = { EmptySquare };
11203 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11204 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11205 int soughtTotal, turn;
11206 Boolean epOK, flipSearch;
11209 unsigned char piece, to;
11212 #define DSIZE (250000)
11214 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11215 Move *moveDatabase = initialSpace;
11216 unsigned int movePtr, dataSize = DSIZE;
11219 MakePieceList (Board board, int *counts)
11221 int r, f, n=Q_PROMO, total=0;
11222 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11223 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11224 int sq = f + (r<<4);
11225 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11226 quickBoard[sq] = ++n;
11228 pieceType[n] = board[r][f];
11229 counts[board[r][f]]++;
11230 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11231 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11235 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11240 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11242 int sq = fromX + (fromY<<4);
11243 int piece = quickBoard[sq];
11244 quickBoard[sq] = 0;
11245 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11246 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11247 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11248 moveDatabase[movePtr++].piece = Q_WCASTL;
11249 quickBoard[sq] = piece;
11250 piece = quickBoard[from]; quickBoard[from] = 0;
11251 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11253 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11254 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11255 moveDatabase[movePtr++].piece = Q_BCASTL;
11256 quickBoard[sq] = piece;
11257 piece = quickBoard[from]; quickBoard[from] = 0;
11258 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11260 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11261 quickBoard[(fromY<<4)+toX] = 0;
11262 moveDatabase[movePtr].piece = Q_EP;
11263 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11264 moveDatabase[movePtr].to = sq;
11266 if(promoPiece != pieceType[piece]) {
11267 moveDatabase[movePtr++].piece = Q_PROMO;
11268 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11270 moveDatabase[movePtr].piece = piece;
11271 quickBoard[sq] = piece;
11276 PackGame (Board board)
11278 Move *newSpace = NULL;
11279 moveDatabase[movePtr].piece = 0; // terminate previous game
11280 if(movePtr > dataSize) {
11281 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11282 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11283 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11286 Move *p = moveDatabase, *q = newSpace;
11287 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11288 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11289 moveDatabase = newSpace;
11290 } else { // calloc failed, we must be out of memory. Too bad...
11291 dataSize = 0; // prevent calloc events for all subsequent games
11292 return 0; // and signal this one isn't cached
11296 MakePieceList(board, counts);
11301 QuickCompare (Board board, int *minCounts, int *maxCounts)
11302 { // compare according to search mode
11304 switch(appData.searchMode)
11306 case 1: // exact position match
11307 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11308 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11309 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11312 case 2: // can have extra material on empty squares
11313 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11314 if(board[r][f] == EmptySquare) continue;
11315 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11318 case 3: // material with exact Pawn structure
11319 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11320 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11321 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11322 } // fall through to material comparison
11323 case 4: // exact material
11324 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11326 case 6: // material range with given imbalance
11327 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11328 // fall through to range comparison
11329 case 5: // material range
11330 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11336 QuickScan (Board board, Move *move)
11337 { // reconstruct game,and compare all positions in it
11338 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11340 int piece = move->piece;
11341 int to = move->to, from = pieceList[piece];
11342 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11343 if(!piece) return -1;
11344 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11345 piece = (++move)->piece;
11346 from = pieceList[piece];
11347 counts[pieceType[piece]]--;
11348 pieceType[piece] = (ChessSquare) move->to;
11349 counts[move->to]++;
11350 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11351 counts[pieceType[quickBoard[to]]]--;
11352 quickBoard[to] = 0; total--;
11355 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11356 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11357 from = pieceList[piece]; // so this must be King
11358 quickBoard[from] = 0;
11359 quickBoard[to] = piece;
11360 pieceList[piece] = to;
11365 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11366 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11367 quickBoard[from] = 0;
11368 quickBoard[to] = piece;
11369 pieceList[piece] = to;
11371 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11372 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11373 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11374 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11376 static int lastCounts[EmptySquare+1];
11378 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11379 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11380 } else stretch = 0;
11381 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11390 flipSearch = FALSE;
11391 CopyBoard(soughtBoard, boards[currentMove]);
11392 soughtTotal = MakePieceList(soughtBoard, maxSought);
11393 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11394 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11395 CopyBoard(reverseBoard, boards[currentMove]);
11396 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11397 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11398 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11399 reverseBoard[r][f] = piece;
11401 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11402 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11403 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11404 || (boards[currentMove][CASTLING][2] == NoRights ||
11405 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11406 && (boards[currentMove][CASTLING][5] == NoRights ||
11407 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11410 CopyBoard(flipBoard, soughtBoard);
11411 CopyBoard(rotateBoard, reverseBoard);
11412 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11413 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11414 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11417 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11418 if(appData.searchMode >= 5) {
11419 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11420 MakePieceList(soughtBoard, minSought);
11421 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11423 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11424 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11427 GameInfo dummyInfo;
11430 GameContainsPosition (FILE *f, ListGame *lg)
11432 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11433 int fromX, fromY, toX, toY;
11435 static int initDone=FALSE;
11437 // weed out games based on numerical tag comparison
11438 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11439 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11440 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11441 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11443 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11446 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11447 else CopyBoard(boards[scratch], initialPosition); // default start position
11450 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11451 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11454 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11455 fseek(f, lg->offset, 0);
11458 yyboardindex = scratch;
11459 quickFlag = plyNr+1;
11464 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11470 if(plyNr) return -1; // after we have seen moves, this is for new game
11473 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11474 case ImpossibleMove:
11475 case WhiteWins: // game ends here with these four
11478 case GameUnfinished:
11482 if(appData.testLegality) return -1;
11483 case WhiteCapturesEnPassant:
11484 case BlackCapturesEnPassant:
11485 case WhitePromotion:
11486 case BlackPromotion:
11487 case WhiteNonPromotion:
11488 case BlackNonPromotion:
11490 case WhiteKingSideCastle:
11491 case WhiteQueenSideCastle:
11492 case BlackKingSideCastle:
11493 case BlackQueenSideCastle:
11494 case WhiteKingSideCastleWild:
11495 case WhiteQueenSideCastleWild:
11496 case BlackKingSideCastleWild:
11497 case BlackQueenSideCastleWild:
11498 case WhiteHSideCastleFR:
11499 case WhiteASideCastleFR:
11500 case BlackHSideCastleFR:
11501 case BlackASideCastleFR:
11502 fromX = currentMoveString[0] - AAA;
11503 fromY = currentMoveString[1] - ONE;
11504 toX = currentMoveString[2] - AAA;
11505 toY = currentMoveString[3] - ONE;
11506 promoChar = currentMoveString[4];
11510 fromX = next == WhiteDrop ?
11511 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11512 (int) CharToPiece(ToLower(currentMoveString[0]));
11514 toX = currentMoveString[2] - AAA;
11515 toY = currentMoveString[3] - ONE;
11519 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11521 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11522 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11523 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11524 if(appData.findMirror) {
11525 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11526 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11531 /* Load the nth game from open file f */
11533 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11537 int gn = gameNumber;
11538 ListGame *lg = NULL;
11539 int numPGNTags = 0;
11541 GameMode oldGameMode;
11542 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11544 if (appData.debugMode)
11545 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11547 if (gameMode == Training )
11548 SetTrainingModeOff();
11550 oldGameMode = gameMode;
11551 if (gameMode != BeginningOfGame) {
11552 Reset(FALSE, TRUE);
11556 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11557 fclose(lastLoadGameFP);
11561 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11564 fseek(f, lg->offset, 0);
11565 GameListHighlight(gameNumber);
11566 pos = lg->position;
11570 DisplayError(_("Game number out of range"), 0);
11575 if (fseek(f, 0, 0) == -1) {
11576 if (f == lastLoadGameFP ?
11577 gameNumber == lastLoadGameNumber + 1 :
11581 DisplayError(_("Can't seek on game file"), 0);
11586 lastLoadGameFP = f;
11587 lastLoadGameNumber = gameNumber;
11588 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11589 lastLoadGameUseList = useList;
11593 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11594 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11595 lg->gameInfo.black);
11597 } else if (*title != NULLCHAR) {
11598 if (gameNumber > 1) {
11599 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11602 DisplayTitle(title);
11606 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11607 gameMode = PlayFromGameFile;
11611 currentMove = forwardMostMove = backwardMostMove = 0;
11612 CopyBoard(boards[0], initialPosition);
11616 * Skip the first gn-1 games in the file.
11617 * Also skip over anything that precedes an identifiable
11618 * start of game marker, to avoid being confused by
11619 * garbage at the start of the file. Currently
11620 * recognized start of game markers are the move number "1",
11621 * the pattern "gnuchess .* game", the pattern
11622 * "^[#;%] [^ ]* game file", and a PGN tag block.
11623 * A game that starts with one of the latter two patterns
11624 * will also have a move number 1, possibly
11625 * following a position diagram.
11626 * 5-4-02: Let's try being more lenient and allowing a game to
11627 * start with an unnumbered move. Does that break anything?
11629 cm = lastLoadGameStart = EndOfFile;
11631 yyboardindex = forwardMostMove;
11632 cm = (ChessMove) Myylex();
11635 if (cmailMsgLoaded) {
11636 nCmailGames = CMAIL_MAX_GAMES - gn;
11639 DisplayError(_("Game not found in file"), 0);
11646 lastLoadGameStart = cm;
11649 case MoveNumberOne:
11650 switch (lastLoadGameStart) {
11655 case MoveNumberOne:
11657 gn--; /* count this game */
11658 lastLoadGameStart = cm;
11667 switch (lastLoadGameStart) {
11670 case MoveNumberOne:
11672 gn--; /* count this game */
11673 lastLoadGameStart = cm;
11676 lastLoadGameStart = cm; /* game counted already */
11684 yyboardindex = forwardMostMove;
11685 cm = (ChessMove) Myylex();
11686 } while (cm == PGNTag || cm == Comment);
11693 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11694 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11695 != CMAIL_OLD_RESULT) {
11697 cmailResult[ CMAIL_MAX_GAMES
11698 - gn - 1] = CMAIL_OLD_RESULT;
11704 /* Only a NormalMove can be at the start of a game
11705 * without a position diagram. */
11706 if (lastLoadGameStart == EndOfFile ) {
11708 lastLoadGameStart = MoveNumberOne;
11717 if (appData.debugMode)
11718 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11720 if (cm == XBoardGame) {
11721 /* Skip any header junk before position diagram and/or move 1 */
11723 yyboardindex = forwardMostMove;
11724 cm = (ChessMove) Myylex();
11726 if (cm == EndOfFile ||
11727 cm == GNUChessGame || cm == XBoardGame) {
11728 /* Empty game; pretend end-of-file and handle later */
11733 if (cm == MoveNumberOne || cm == PositionDiagram ||
11734 cm == PGNTag || cm == Comment)
11737 } else if (cm == GNUChessGame) {
11738 if (gameInfo.event != NULL) {
11739 free(gameInfo.event);
11741 gameInfo.event = StrSave(yy_text);
11744 startedFromSetupPosition = FALSE;
11745 while (cm == PGNTag) {
11746 if (appData.debugMode)
11747 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11748 err = ParsePGNTag(yy_text, &gameInfo);
11749 if (!err) numPGNTags++;
11751 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11752 if(gameInfo.variant != oldVariant) {
11753 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11754 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11755 InitPosition(TRUE);
11756 oldVariant = gameInfo.variant;
11757 if (appData.debugMode)
11758 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11762 if (gameInfo.fen != NULL) {
11763 Board initial_position;
11764 startedFromSetupPosition = TRUE;
11765 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11767 DisplayError(_("Bad FEN position in file"), 0);
11770 CopyBoard(boards[0], initial_position);
11771 if (blackPlaysFirst) {
11772 currentMove = forwardMostMove = backwardMostMove = 1;
11773 CopyBoard(boards[1], initial_position);
11774 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11775 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11776 timeRemaining[0][1] = whiteTimeRemaining;
11777 timeRemaining[1][1] = blackTimeRemaining;
11778 if (commentList[0] != NULL) {
11779 commentList[1] = commentList[0];
11780 commentList[0] = NULL;
11783 currentMove = forwardMostMove = backwardMostMove = 0;
11785 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11787 initialRulePlies = FENrulePlies;
11788 for( i=0; i< nrCastlingRights; i++ )
11789 initialRights[i] = initial_position[CASTLING][i];
11791 yyboardindex = forwardMostMove;
11792 free(gameInfo.fen);
11793 gameInfo.fen = NULL;
11796 yyboardindex = forwardMostMove;
11797 cm = (ChessMove) Myylex();
11799 /* Handle comments interspersed among the tags */
11800 while (cm == Comment) {
11802 if (appData.debugMode)
11803 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11805 AppendComment(currentMove, p, FALSE);
11806 yyboardindex = forwardMostMove;
11807 cm = (ChessMove) Myylex();
11811 /* don't rely on existence of Event tag since if game was
11812 * pasted from clipboard the Event tag may not exist
11814 if (numPGNTags > 0){
11816 if (gameInfo.variant == VariantNormal) {
11817 VariantClass v = StringToVariant(gameInfo.event);
11818 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11819 if(v < VariantShogi) gameInfo.variant = v;
11822 if( appData.autoDisplayTags ) {
11823 tags = PGNTags(&gameInfo);
11824 TagsPopUp(tags, CmailMsg());
11829 /* Make something up, but don't display it now */
11834 if (cm == PositionDiagram) {
11837 Board initial_position;
11839 if (appData.debugMode)
11840 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11842 if (!startedFromSetupPosition) {
11844 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11845 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11856 initial_position[i][j++] = CharToPiece(*p);
11859 while (*p == ' ' || *p == '\t' ||
11860 *p == '\n' || *p == '\r') p++;
11862 if (strncmp(p, "black", strlen("black"))==0)
11863 blackPlaysFirst = TRUE;
11865 blackPlaysFirst = FALSE;
11866 startedFromSetupPosition = TRUE;
11868 CopyBoard(boards[0], initial_position);
11869 if (blackPlaysFirst) {
11870 currentMove = forwardMostMove = backwardMostMove = 1;
11871 CopyBoard(boards[1], initial_position);
11872 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11873 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11874 timeRemaining[0][1] = whiteTimeRemaining;
11875 timeRemaining[1][1] = blackTimeRemaining;
11876 if (commentList[0] != NULL) {
11877 commentList[1] = commentList[0];
11878 commentList[0] = NULL;
11881 currentMove = forwardMostMove = backwardMostMove = 0;
11884 yyboardindex = forwardMostMove;
11885 cm = (ChessMove) Myylex();
11888 if (first.pr == NoProc) {
11889 StartChessProgram(&first);
11891 InitChessProgram(&first, FALSE);
11892 SendToProgram("force\n", &first);
11893 if (startedFromSetupPosition) {
11894 SendBoard(&first, forwardMostMove);
11895 if (appData.debugMode) {
11896 fprintf(debugFP, "Load Game\n");
11898 DisplayBothClocks();
11901 /* [HGM] server: flag to write setup moves in broadcast file as one */
11902 loadFlag = appData.suppressLoadMoves;
11904 while (cm == Comment) {
11906 if (appData.debugMode)
11907 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11909 AppendComment(currentMove, p, FALSE);
11910 yyboardindex = forwardMostMove;
11911 cm = (ChessMove) Myylex();
11914 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11915 cm == WhiteWins || cm == BlackWins ||
11916 cm == GameIsDrawn || cm == GameUnfinished) {
11917 DisplayMessage("", _("No moves in game"));
11918 if (cmailMsgLoaded) {
11919 if (appData.debugMode)
11920 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11924 DrawPosition(FALSE, boards[currentMove]);
11925 DisplayBothClocks();
11926 gameMode = EditGame;
11933 // [HGM] PV info: routine tests if comment empty
11934 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11935 DisplayComment(currentMove - 1, commentList[currentMove]);
11937 if (!matchMode && appData.timeDelay != 0)
11938 DrawPosition(FALSE, boards[currentMove]);
11940 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11941 programStats.ok_to_send = 1;
11944 /* if the first token after the PGN tags is a move
11945 * and not move number 1, retrieve it from the parser
11947 if (cm != MoveNumberOne)
11948 LoadGameOneMove(cm);
11950 /* load the remaining moves from the file */
11951 while (LoadGameOneMove(EndOfFile)) {
11952 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11953 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11956 /* rewind to the start of the game */
11957 currentMove = backwardMostMove;
11959 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11961 if (oldGameMode == AnalyzeFile ||
11962 oldGameMode == AnalyzeMode) {
11963 AnalyzeFileEvent();
11966 if (!matchMode && pos >= 0) {
11967 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11969 if (matchMode || appData.timeDelay == 0) {
11971 } else if (appData.timeDelay > 0) {
11972 AutoPlayGameLoop();
11975 if (appData.debugMode)
11976 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11978 loadFlag = 0; /* [HGM] true game starts */
11982 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11984 ReloadPosition (int offset)
11986 int positionNumber = lastLoadPositionNumber + offset;
11987 if (lastLoadPositionFP == NULL) {
11988 DisplayError(_("No position has been loaded yet"), 0);
11991 if (positionNumber <= 0) {
11992 DisplayError(_("Can't back up any further"), 0);
11995 return LoadPosition(lastLoadPositionFP, positionNumber,
11996 lastLoadPositionTitle);
11999 /* Load the nth position from the given file */
12001 LoadPositionFromFile (char *filename, int n, char *title)
12006 if (strcmp(filename, "-") == 0) {
12007 return LoadPosition(stdin, n, "stdin");
12009 f = fopen(filename, "rb");
12011 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12012 DisplayError(buf, errno);
12015 return LoadPosition(f, n, title);
12020 /* Load the nth position from the given open file, and close it */
12022 LoadPosition (FILE *f, int positionNumber, char *title)
12024 char *p, line[MSG_SIZ];
12025 Board initial_position;
12026 int i, j, fenMode, pn;
12028 if (gameMode == Training )
12029 SetTrainingModeOff();
12031 if (gameMode != BeginningOfGame) {
12032 Reset(FALSE, TRUE);
12034 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12035 fclose(lastLoadPositionFP);
12037 if (positionNumber == 0) positionNumber = 1;
12038 lastLoadPositionFP = f;
12039 lastLoadPositionNumber = positionNumber;
12040 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12041 if (first.pr == NoProc && !appData.noChessProgram) {
12042 StartChessProgram(&first);
12043 InitChessProgram(&first, FALSE);
12045 pn = positionNumber;
12046 if (positionNumber < 0) {
12047 /* Negative position number means to seek to that byte offset */
12048 if (fseek(f, -positionNumber, 0) == -1) {
12049 DisplayError(_("Can't seek on position file"), 0);
12054 if (fseek(f, 0, 0) == -1) {
12055 if (f == lastLoadPositionFP ?
12056 positionNumber == lastLoadPositionNumber + 1 :
12057 positionNumber == 1) {
12060 DisplayError(_("Can't seek on position file"), 0);
12065 /* See if this file is FEN or old-style xboard */
12066 if (fgets(line, MSG_SIZ, f) == NULL) {
12067 DisplayError(_("Position not found in file"), 0);
12070 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12071 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12074 if (fenMode || line[0] == '#') pn--;
12076 /* skip positions before number pn */
12077 if (fgets(line, MSG_SIZ, f) == NULL) {
12079 DisplayError(_("Position not found in file"), 0);
12082 if (fenMode || line[0] == '#') pn--;
12087 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12088 DisplayError(_("Bad FEN position in file"), 0);
12092 (void) fgets(line, MSG_SIZ, f);
12093 (void) fgets(line, MSG_SIZ, f);
12095 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12096 (void) fgets(line, MSG_SIZ, f);
12097 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12100 initial_position[i][j++] = CharToPiece(*p);
12104 blackPlaysFirst = FALSE;
12106 (void) fgets(line, MSG_SIZ, f);
12107 if (strncmp(line, "black", strlen("black"))==0)
12108 blackPlaysFirst = TRUE;
12111 startedFromSetupPosition = TRUE;
12113 CopyBoard(boards[0], initial_position);
12114 if (blackPlaysFirst) {
12115 currentMove = forwardMostMove = backwardMostMove = 1;
12116 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12117 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12118 CopyBoard(boards[1], initial_position);
12119 DisplayMessage("", _("Black to play"));
12121 currentMove = forwardMostMove = backwardMostMove = 0;
12122 DisplayMessage("", _("White to play"));
12124 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12125 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12126 SendToProgram("force\n", &first);
12127 SendBoard(&first, forwardMostMove);
12129 if (appData.debugMode) {
12131 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12132 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12133 fprintf(debugFP, "Load Position\n");
12136 if (positionNumber > 1) {
12137 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12138 DisplayTitle(line);
12140 DisplayTitle(title);
12142 gameMode = EditGame;
12145 timeRemaining[0][1] = whiteTimeRemaining;
12146 timeRemaining[1][1] = blackTimeRemaining;
12147 DrawPosition(FALSE, boards[currentMove]);
12154 CopyPlayerNameIntoFileName (char **dest, char *src)
12156 while (*src != NULLCHAR && *src != ',') {
12161 *(*dest)++ = *src++;
12167 DefaultFileName (char *ext)
12169 static char def[MSG_SIZ];
12172 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12174 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12176 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12178 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12185 /* Save the current game to the given file */
12187 SaveGameToFile (char *filename, int append)
12191 int result, i, t,tot=0;
12193 if (strcmp(filename, "-") == 0) {
12194 return SaveGame(stdout, 0, NULL);
12196 for(i=0; i<10; i++) { // upto 10 tries
12197 f = fopen(filename, append ? "a" : "w");
12198 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12199 if(f || errno != 13) break;
12200 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12204 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12205 DisplayError(buf, errno);
12208 safeStrCpy(buf, lastMsg, MSG_SIZ);
12209 DisplayMessage(_("Waiting for access to save file"), "");
12210 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12211 DisplayMessage(_("Saving game"), "");
12212 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12213 result = SaveGame(f, 0, NULL);
12214 DisplayMessage(buf, "");
12221 SavePart (char *str)
12223 static char buf[MSG_SIZ];
12226 p = strchr(str, ' ');
12227 if (p == NULL) return str;
12228 strncpy(buf, str, p - str);
12229 buf[p - str] = NULLCHAR;
12233 #define PGN_MAX_LINE 75
12235 #define PGN_SIDE_WHITE 0
12236 #define PGN_SIDE_BLACK 1
12239 FindFirstMoveOutOfBook (int side)
12243 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12244 int index = backwardMostMove;
12245 int has_book_hit = 0;
12247 if( (index % 2) != side ) {
12251 while( index < forwardMostMove ) {
12252 /* Check to see if engine is in book */
12253 int depth = pvInfoList[index].depth;
12254 int score = pvInfoList[index].score;
12260 else if( score == 0 && depth == 63 ) {
12261 in_book = 1; /* Zappa */
12263 else if( score == 2 && depth == 99 ) {
12264 in_book = 1; /* Abrok */
12267 has_book_hit += in_book;
12283 GetOutOfBookInfo (char * buf)
12287 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12289 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12290 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12294 if( oob[0] >= 0 || oob[1] >= 0 ) {
12295 for( i=0; i<2; i++ ) {
12299 if( i > 0 && oob[0] >= 0 ) {
12300 strcat( buf, " " );
12303 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12304 sprintf( buf+strlen(buf), "%s%.2f",
12305 pvInfoList[idx].score >= 0 ? "+" : "",
12306 pvInfoList[idx].score / 100.0 );
12312 /* Save game in PGN style and close the file */
12314 SaveGamePGN (FILE *f)
12316 int i, offset, linelen, newblock;
12320 int movelen, numlen, blank;
12321 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12323 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12325 tm = time((time_t *) NULL);
12327 PrintPGNTags(f, &gameInfo);
12329 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12331 if (backwardMostMove > 0 || startedFromSetupPosition) {
12332 char *fen = PositionToFEN(backwardMostMove, NULL);
12333 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12334 fprintf(f, "\n{--------------\n");
12335 PrintPosition(f, backwardMostMove);
12336 fprintf(f, "--------------}\n");
12340 /* [AS] Out of book annotation */
12341 if( appData.saveOutOfBookInfo ) {
12344 GetOutOfBookInfo( buf );
12346 if( buf[0] != '\0' ) {
12347 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12354 i = backwardMostMove;
12358 while (i < forwardMostMove) {
12359 /* Print comments preceding this move */
12360 if (commentList[i] != NULL) {
12361 if (linelen > 0) fprintf(f, "\n");
12362 fprintf(f, "%s", commentList[i]);
12367 /* Format move number */
12369 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12372 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12374 numtext[0] = NULLCHAR;
12376 numlen = strlen(numtext);
12379 /* Print move number */
12380 blank = linelen > 0 && numlen > 0;
12381 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12390 fprintf(f, "%s", numtext);
12394 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12395 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12398 blank = linelen > 0 && movelen > 0;
12399 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12408 fprintf(f, "%s", move_buffer);
12409 linelen += movelen;
12411 /* [AS] Add PV info if present */
12412 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12413 /* [HGM] add time */
12414 char buf[MSG_SIZ]; int seconds;
12416 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12422 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12425 seconds = (seconds + 4)/10; // round to full seconds
12427 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12429 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12432 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12433 pvInfoList[i].score >= 0 ? "+" : "",
12434 pvInfoList[i].score / 100.0,
12435 pvInfoList[i].depth,
12438 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12440 /* Print score/depth */
12441 blank = linelen > 0 && movelen > 0;
12442 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12451 fprintf(f, "%s", move_buffer);
12452 linelen += movelen;
12458 /* Start a new line */
12459 if (linelen > 0) fprintf(f, "\n");
12461 /* Print comments after last move */
12462 if (commentList[i] != NULL) {
12463 fprintf(f, "%s\n", commentList[i]);
12467 if (gameInfo.resultDetails != NULL &&
12468 gameInfo.resultDetails[0] != NULLCHAR) {
12469 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12470 PGNResult(gameInfo.result));
12472 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12476 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12480 /* Save game in old style and close the file */
12482 SaveGameOldStyle (FILE *f)
12487 tm = time((time_t *) NULL);
12489 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12492 if (backwardMostMove > 0 || startedFromSetupPosition) {
12493 fprintf(f, "\n[--------------\n");
12494 PrintPosition(f, backwardMostMove);
12495 fprintf(f, "--------------]\n");
12500 i = backwardMostMove;
12501 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12503 while (i < forwardMostMove) {
12504 if (commentList[i] != NULL) {
12505 fprintf(f, "[%s]\n", commentList[i]);
12508 if ((i % 2) == 1) {
12509 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12512 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12514 if (commentList[i] != NULL) {
12518 if (i >= forwardMostMove) {
12522 fprintf(f, "%s\n", parseList[i]);
12527 if (commentList[i] != NULL) {
12528 fprintf(f, "[%s]\n", commentList[i]);
12531 /* This isn't really the old style, but it's close enough */
12532 if (gameInfo.resultDetails != NULL &&
12533 gameInfo.resultDetails[0] != NULLCHAR) {
12534 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12535 gameInfo.resultDetails);
12537 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12544 /* Save the current game to open file f and close the file */
12546 SaveGame (FILE *f, int dummy, char *dummy2)
12548 if (gameMode == EditPosition) EditPositionDone(TRUE);
12549 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12550 if (appData.oldSaveStyle)
12551 return SaveGameOldStyle(f);
12553 return SaveGamePGN(f);
12556 /* Save the current position to the given file */
12558 SavePositionToFile (char *filename)
12563 if (strcmp(filename, "-") == 0) {
12564 return SavePosition(stdout, 0, NULL);
12566 f = fopen(filename, "a");
12568 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12569 DisplayError(buf, errno);
12572 safeStrCpy(buf, lastMsg, MSG_SIZ);
12573 DisplayMessage(_("Waiting for access to save file"), "");
12574 flock(fileno(f), LOCK_EX); // [HGM] lock
12575 DisplayMessage(_("Saving position"), "");
12576 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12577 SavePosition(f, 0, NULL);
12578 DisplayMessage(buf, "");
12584 /* Save the current position to the given open file and close the file */
12586 SavePosition (FILE *f, int dummy, char *dummy2)
12591 if (gameMode == EditPosition) EditPositionDone(TRUE);
12592 if (appData.oldSaveStyle) {
12593 tm = time((time_t *) NULL);
12595 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12597 fprintf(f, "[--------------\n");
12598 PrintPosition(f, currentMove);
12599 fprintf(f, "--------------]\n");
12601 fen = PositionToFEN(currentMove, NULL);
12602 fprintf(f, "%s\n", fen);
12610 ReloadCmailMsgEvent (int unregister)
12613 static char *inFilename = NULL;
12614 static char *outFilename;
12616 struct stat inbuf, outbuf;
12619 /* Any registered moves are unregistered if unregister is set, */
12620 /* i.e. invoked by the signal handler */
12622 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12623 cmailMoveRegistered[i] = FALSE;
12624 if (cmailCommentList[i] != NULL) {
12625 free(cmailCommentList[i]);
12626 cmailCommentList[i] = NULL;
12629 nCmailMovesRegistered = 0;
12632 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12633 cmailResult[i] = CMAIL_NOT_RESULT;
12637 if (inFilename == NULL) {
12638 /* Because the filenames are static they only get malloced once */
12639 /* and they never get freed */
12640 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12641 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12643 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12644 sprintf(outFilename, "%s.out", appData.cmailGameName);
12647 status = stat(outFilename, &outbuf);
12649 cmailMailedMove = FALSE;
12651 status = stat(inFilename, &inbuf);
12652 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12655 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12656 counts the games, notes how each one terminated, etc.
12658 It would be nice to remove this kludge and instead gather all
12659 the information while building the game list. (And to keep it
12660 in the game list nodes instead of having a bunch of fixed-size
12661 parallel arrays.) Note this will require getting each game's
12662 termination from the PGN tags, as the game list builder does
12663 not process the game moves. --mann
12665 cmailMsgLoaded = TRUE;
12666 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12668 /* Load first game in the file or popup game menu */
12669 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12671 #endif /* !WIN32 */
12679 char string[MSG_SIZ];
12681 if ( cmailMailedMove
12682 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12683 return TRUE; /* Allow free viewing */
12686 /* Unregister move to ensure that we don't leave RegisterMove */
12687 /* with the move registered when the conditions for registering no */
12689 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12690 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12691 nCmailMovesRegistered --;
12693 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12695 free(cmailCommentList[lastLoadGameNumber - 1]);
12696 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12700 if (cmailOldMove == -1) {
12701 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12705 if (currentMove > cmailOldMove + 1) {
12706 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12710 if (currentMove < cmailOldMove) {
12711 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12715 if (forwardMostMove > currentMove) {
12716 /* Silently truncate extra moves */
12720 if ( (currentMove == cmailOldMove + 1)
12721 || ( (currentMove == cmailOldMove)
12722 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12723 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12724 if (gameInfo.result != GameUnfinished) {
12725 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12728 if (commentList[currentMove] != NULL) {
12729 cmailCommentList[lastLoadGameNumber - 1]
12730 = StrSave(commentList[currentMove]);
12732 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12734 if (appData.debugMode)
12735 fprintf(debugFP, "Saving %s for game %d\n",
12736 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12738 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12740 f = fopen(string, "w");
12741 if (appData.oldSaveStyle) {
12742 SaveGameOldStyle(f); /* also closes the file */
12744 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12745 f = fopen(string, "w");
12746 SavePosition(f, 0, NULL); /* also closes the file */
12748 fprintf(f, "{--------------\n");
12749 PrintPosition(f, currentMove);
12750 fprintf(f, "--------------}\n\n");
12752 SaveGame(f, 0, NULL); /* also closes the file*/
12755 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12756 nCmailMovesRegistered ++;
12757 } else if (nCmailGames == 1) {
12758 DisplayError(_("You have not made a move yet"), 0);
12769 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12770 FILE *commandOutput;
12771 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12772 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12778 if (! cmailMsgLoaded) {
12779 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12783 if (nCmailGames == nCmailResults) {
12784 DisplayError(_("No unfinished games"), 0);
12788 #if CMAIL_PROHIBIT_REMAIL
12789 if (cmailMailedMove) {
12790 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);
12791 DisplayError(msg, 0);
12796 if (! (cmailMailedMove || RegisterMove())) return;
12798 if ( cmailMailedMove
12799 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12800 snprintf(string, MSG_SIZ, partCommandString,
12801 appData.debugMode ? " -v" : "", appData.cmailGameName);
12802 commandOutput = popen(string, "r");
12804 if (commandOutput == NULL) {
12805 DisplayError(_("Failed to invoke cmail"), 0);
12807 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12808 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12810 if (nBuffers > 1) {
12811 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12812 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12813 nBytes = MSG_SIZ - 1;
12815 (void) memcpy(msg, buffer, nBytes);
12817 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12819 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12820 cmailMailedMove = TRUE; /* Prevent >1 moves */
12823 for (i = 0; i < nCmailGames; i ++) {
12824 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12829 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12831 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12833 appData.cmailGameName,
12835 LoadGameFromFile(buffer, 1, buffer, FALSE);
12836 cmailMsgLoaded = FALSE;
12840 DisplayInformation(msg);
12841 pclose(commandOutput);
12844 if ((*cmailMsg) != '\0') {
12845 DisplayInformation(cmailMsg);
12850 #endif /* !WIN32 */
12859 int prependComma = 0;
12861 char string[MSG_SIZ]; /* Space for game-list */
12864 if (!cmailMsgLoaded) return "";
12866 if (cmailMailedMove) {
12867 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12869 /* Create a list of games left */
12870 snprintf(string, MSG_SIZ, "[");
12871 for (i = 0; i < nCmailGames; i ++) {
12872 if (! ( cmailMoveRegistered[i]
12873 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12874 if (prependComma) {
12875 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12877 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12881 strcat(string, number);
12884 strcat(string, "]");
12886 if (nCmailMovesRegistered + nCmailResults == 0) {
12887 switch (nCmailGames) {
12889 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12893 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12897 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12902 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12904 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12909 if (nCmailResults == nCmailGames) {
12910 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12912 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12917 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12929 if (gameMode == Training)
12930 SetTrainingModeOff();
12933 cmailMsgLoaded = FALSE;
12934 if (appData.icsActive) {
12935 SendToICS(ics_prefix);
12936 SendToICS("refresh\n");
12941 ExitEvent (int status)
12945 /* Give up on clean exit */
12949 /* Keep trying for clean exit */
12953 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12955 if (telnetISR != NULL) {
12956 RemoveInputSource(telnetISR);
12958 if (icsPR != NoProc) {
12959 DestroyChildProcess(icsPR, TRUE);
12962 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12963 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12965 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12966 /* make sure this other one finishes before killing it! */
12967 if(endingGame) { int count = 0;
12968 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12969 while(endingGame && count++ < 10) DoSleep(1);
12970 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12973 /* Kill off chess programs */
12974 if (first.pr != NoProc) {
12977 DoSleep( appData.delayBeforeQuit );
12978 SendToProgram("quit\n", &first);
12979 DoSleep( appData.delayAfterQuit );
12980 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12982 if (second.pr != NoProc) {
12983 DoSleep( appData.delayBeforeQuit );
12984 SendToProgram("quit\n", &second);
12985 DoSleep( appData.delayAfterQuit );
12986 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12988 if (first.isr != NULL) {
12989 RemoveInputSource(first.isr);
12991 if (second.isr != NULL) {
12992 RemoveInputSource(second.isr);
12995 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12996 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12998 ShutDownFrontEnd();
13005 if (appData.debugMode)
13006 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13010 if (gameMode == MachinePlaysWhite ||
13011 gameMode == MachinePlaysBlack) {
13014 DisplayBothClocks();
13016 if (gameMode == PlayFromGameFile) {
13017 if (appData.timeDelay >= 0)
13018 AutoPlayGameLoop();
13019 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13020 Reset(FALSE, TRUE);
13021 SendToICS(ics_prefix);
13022 SendToICS("refresh\n");
13023 } else if (currentMove < forwardMostMove) {
13024 ForwardInner(forwardMostMove);
13026 pauseExamInvalid = FALSE;
13028 switch (gameMode) {
13032 pauseExamForwardMostMove = forwardMostMove;
13033 pauseExamInvalid = FALSE;
13036 case IcsPlayingWhite:
13037 case IcsPlayingBlack:
13041 case PlayFromGameFile:
13042 (void) StopLoadGameTimer();
13046 case BeginningOfGame:
13047 if (appData.icsActive) return;
13048 /* else fall through */
13049 case MachinePlaysWhite:
13050 case MachinePlaysBlack:
13051 case TwoMachinesPlay:
13052 if (forwardMostMove == 0)
13053 return; /* don't pause if no one has moved */
13054 if ((gameMode == MachinePlaysWhite &&
13055 !WhiteOnMove(forwardMostMove)) ||
13056 (gameMode == MachinePlaysBlack &&
13057 WhiteOnMove(forwardMostMove))) {
13068 EditCommentEvent ()
13070 char title[MSG_SIZ];
13072 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13073 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13075 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13076 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13077 parseList[currentMove - 1]);
13080 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13087 char *tags = PGNTags(&gameInfo);
13089 EditTagsPopUp(tags, NULL);
13094 AnalyzeModeEvent ()
13096 if (appData.noChessProgram || gameMode == AnalyzeMode)
13099 if (gameMode != AnalyzeFile) {
13100 if (!appData.icsEngineAnalyze) {
13102 if (gameMode != EditGame) return;
13104 ResurrectChessProgram();
13105 SendToProgram("analyze\n", &first);
13106 first.analyzing = TRUE;
13107 /*first.maybeThinking = TRUE;*/
13108 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13109 EngineOutputPopUp();
13111 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13116 StartAnalysisClock();
13117 GetTimeMark(&lastNodeCountTime);
13122 AnalyzeFileEvent ()
13124 if (appData.noChessProgram || gameMode == AnalyzeFile)
13127 if (gameMode != AnalyzeMode) {
13129 if (gameMode != EditGame) return;
13130 ResurrectChessProgram();
13131 SendToProgram("analyze\n", &first);
13132 first.analyzing = TRUE;
13133 /*first.maybeThinking = TRUE;*/
13134 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13135 EngineOutputPopUp();
13137 gameMode = AnalyzeFile;
13142 StartAnalysisClock();
13143 GetTimeMark(&lastNodeCountTime);
13145 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13149 MachineWhiteEvent ()
13152 char *bookHit = NULL;
13154 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13158 if (gameMode == PlayFromGameFile ||
13159 gameMode == TwoMachinesPlay ||
13160 gameMode == Training ||
13161 gameMode == AnalyzeMode ||
13162 gameMode == EndOfGame)
13165 if (gameMode == EditPosition)
13166 EditPositionDone(TRUE);
13168 if (!WhiteOnMove(currentMove)) {
13169 DisplayError(_("It is not White's turn"), 0);
13173 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13176 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13177 gameMode == AnalyzeFile)
13180 ResurrectChessProgram(); /* in case it isn't running */
13181 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13182 gameMode = MachinePlaysWhite;
13185 gameMode = MachinePlaysWhite;
13189 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13191 if (first.sendName) {
13192 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13193 SendToProgram(buf, &first);
13195 if (first.sendTime) {
13196 if (first.useColors) {
13197 SendToProgram("black\n", &first); /*gnu kludge*/
13199 SendTimeRemaining(&first, TRUE);
13201 if (first.useColors) {
13202 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13204 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13205 SetMachineThinkingEnables();
13206 first.maybeThinking = TRUE;
13210 if (appData.autoFlipView && !flipView) {
13211 flipView = !flipView;
13212 DrawPosition(FALSE, NULL);
13213 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13216 if(bookHit) { // [HGM] book: simulate book reply
13217 static char bookMove[MSG_SIZ]; // a bit generous?
13219 programStats.nodes = programStats.depth = programStats.time =
13220 programStats.score = programStats.got_only_move = 0;
13221 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13223 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13224 strcat(bookMove, bookHit);
13225 HandleMachineMove(bookMove, &first);
13230 MachineBlackEvent ()
13233 char *bookHit = NULL;
13235 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13239 if (gameMode == PlayFromGameFile ||
13240 gameMode == TwoMachinesPlay ||
13241 gameMode == Training ||
13242 gameMode == AnalyzeMode ||
13243 gameMode == EndOfGame)
13246 if (gameMode == EditPosition)
13247 EditPositionDone(TRUE);
13249 if (WhiteOnMove(currentMove)) {
13250 DisplayError(_("It is not Black's turn"), 0);
13254 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13257 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13258 gameMode == AnalyzeFile)
13261 ResurrectChessProgram(); /* in case it isn't running */
13262 gameMode = MachinePlaysBlack;
13266 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13268 if (first.sendName) {
13269 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13270 SendToProgram(buf, &first);
13272 if (first.sendTime) {
13273 if (first.useColors) {
13274 SendToProgram("white\n", &first); /*gnu kludge*/
13276 SendTimeRemaining(&first, FALSE);
13278 if (first.useColors) {
13279 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13281 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13282 SetMachineThinkingEnables();
13283 first.maybeThinking = TRUE;
13286 if (appData.autoFlipView && flipView) {
13287 flipView = !flipView;
13288 DrawPosition(FALSE, NULL);
13289 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13291 if(bookHit) { // [HGM] book: simulate book reply
13292 static char bookMove[MSG_SIZ]; // a bit generous?
13294 programStats.nodes = programStats.depth = programStats.time =
13295 programStats.score = programStats.got_only_move = 0;
13296 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13298 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13299 strcat(bookMove, bookHit);
13300 HandleMachineMove(bookMove, &first);
13306 DisplayTwoMachinesTitle ()
13309 if (appData.matchGames > 0) {
13310 if(appData.tourneyFile[0]) {
13311 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13312 gameInfo.white, _("vs."), gameInfo.black,
13313 nextGame+1, appData.matchGames+1,
13314 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13316 if (first.twoMachinesColor[0] == 'w') {
13317 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13318 gameInfo.white, _("vs."), gameInfo.black,
13319 first.matchWins, second.matchWins,
13320 matchGame - 1 - (first.matchWins + second.matchWins));
13322 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13323 gameInfo.white, _("vs."), gameInfo.black,
13324 second.matchWins, first.matchWins,
13325 matchGame - 1 - (first.matchWins + second.matchWins));
13328 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13334 SettingsMenuIfReady ()
13336 if (second.lastPing != second.lastPong) {
13337 DisplayMessage("", _("Waiting for second chess program"));
13338 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13342 DisplayMessage("", "");
13343 SettingsPopUp(&second);
13347 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13350 if (cps->pr == NoProc) {
13351 StartChessProgram(cps);
13352 if (cps->protocolVersion == 1) {
13355 /* kludge: allow timeout for initial "feature" command */
13357 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13358 DisplayMessage("", buf);
13359 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13367 TwoMachinesEvent P((void))
13371 ChessProgramState *onmove;
13372 char *bookHit = NULL;
13373 static int stalling = 0;
13377 if (appData.noChessProgram) return;
13379 switch (gameMode) {
13380 case TwoMachinesPlay:
13382 case MachinePlaysWhite:
13383 case MachinePlaysBlack:
13384 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13385 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13389 case BeginningOfGame:
13390 case PlayFromGameFile:
13393 if (gameMode != EditGame) return;
13396 EditPositionDone(TRUE);
13407 // forwardMostMove = currentMove;
13408 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13410 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13412 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13413 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13414 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13418 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13419 SendToProgram("force\n", &second);
13421 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13424 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13425 if(appData.matchPause>10000 || appData.matchPause<10)
13426 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13427 wait = SubtractTimeMarks(&now, &pauseStart);
13428 if(wait < appData.matchPause) {
13429 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13432 // we are now committed to starting the game
13434 DisplayMessage("", "");
13435 if (startedFromSetupPosition) {
13436 SendBoard(&second, backwardMostMove);
13437 if (appData.debugMode) {
13438 fprintf(debugFP, "Two Machines\n");
13441 for (i = backwardMostMove; i < forwardMostMove; i++) {
13442 SendMoveToProgram(i, &second);
13445 gameMode = TwoMachinesPlay;
13447 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13449 DisplayTwoMachinesTitle();
13451 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13456 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13457 SendToProgram(first.computerString, &first);
13458 if (first.sendName) {
13459 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13460 SendToProgram(buf, &first);
13462 SendToProgram(second.computerString, &second);
13463 if (second.sendName) {
13464 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13465 SendToProgram(buf, &second);
13469 if (!first.sendTime || !second.sendTime) {
13470 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13471 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13473 if (onmove->sendTime) {
13474 if (onmove->useColors) {
13475 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13477 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13479 if (onmove->useColors) {
13480 SendToProgram(onmove->twoMachinesColor, onmove);
13482 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13483 // SendToProgram("go\n", onmove);
13484 onmove->maybeThinking = TRUE;
13485 SetMachineThinkingEnables();
13489 if(bookHit) { // [HGM] book: simulate book reply
13490 static char bookMove[MSG_SIZ]; // a bit generous?
13492 programStats.nodes = programStats.depth = programStats.time =
13493 programStats.score = programStats.got_only_move = 0;
13494 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13496 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13497 strcat(bookMove, bookHit);
13498 savedMessage = bookMove; // args for deferred call
13499 savedState = onmove;
13500 ScheduleDelayedEvent(DeferredBookMove, 1);
13507 if (gameMode == Training) {
13508 SetTrainingModeOff();
13509 gameMode = PlayFromGameFile;
13510 DisplayMessage("", _("Training mode off"));
13512 gameMode = Training;
13513 animateTraining = appData.animate;
13515 /* make sure we are not already at the end of the game */
13516 if (currentMove < forwardMostMove) {
13517 SetTrainingModeOn();
13518 DisplayMessage("", _("Training mode on"));
13520 gameMode = PlayFromGameFile;
13521 DisplayError(_("Already at end of game"), 0);
13530 if (!appData.icsActive) return;
13531 switch (gameMode) {
13532 case IcsPlayingWhite:
13533 case IcsPlayingBlack:
13536 case BeginningOfGame:
13544 EditPositionDone(TRUE);
13557 gameMode = IcsIdle;
13567 switch (gameMode) {
13569 SetTrainingModeOff();
13571 case MachinePlaysWhite:
13572 case MachinePlaysBlack:
13573 case BeginningOfGame:
13574 SendToProgram("force\n", &first);
13575 SetUserThinkingEnables();
13577 case PlayFromGameFile:
13578 (void) StopLoadGameTimer();
13579 if (gameFileFP != NULL) {
13584 EditPositionDone(TRUE);
13589 SendToProgram("force\n", &first);
13591 case TwoMachinesPlay:
13592 GameEnds(EndOfFile, NULL, GE_PLAYER);
13593 ResurrectChessProgram();
13594 SetUserThinkingEnables();
13597 ResurrectChessProgram();
13599 case IcsPlayingBlack:
13600 case IcsPlayingWhite:
13601 DisplayError(_("Warning: You are still playing a game"), 0);
13604 DisplayError(_("Warning: You are still observing a game"), 0);
13607 DisplayError(_("Warning: You are still examining a game"), 0);
13618 first.offeredDraw = second.offeredDraw = 0;
13620 if (gameMode == PlayFromGameFile) {
13621 whiteTimeRemaining = timeRemaining[0][currentMove];
13622 blackTimeRemaining = timeRemaining[1][currentMove];
13626 if (gameMode == MachinePlaysWhite ||
13627 gameMode == MachinePlaysBlack ||
13628 gameMode == TwoMachinesPlay ||
13629 gameMode == EndOfGame) {
13630 i = forwardMostMove;
13631 while (i > currentMove) {
13632 SendToProgram("undo\n", &first);
13635 if(!adjustedClock) {
13636 whiteTimeRemaining = timeRemaining[0][currentMove];
13637 blackTimeRemaining = timeRemaining[1][currentMove];
13638 DisplayBothClocks();
13640 if (whiteFlag || blackFlag) {
13641 whiteFlag = blackFlag = 0;
13646 gameMode = EditGame;
13653 EditPositionEvent ()
13655 if (gameMode == EditPosition) {
13661 if (gameMode != EditGame) return;
13663 gameMode = EditPosition;
13666 if (currentMove > 0)
13667 CopyBoard(boards[0], boards[currentMove]);
13669 blackPlaysFirst = !WhiteOnMove(currentMove);
13671 currentMove = forwardMostMove = backwardMostMove = 0;
13672 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13679 /* [DM] icsEngineAnalyze - possible call from other functions */
13680 if (appData.icsEngineAnalyze) {
13681 appData.icsEngineAnalyze = FALSE;
13683 DisplayMessage("",_("Close ICS engine analyze..."));
13685 if (first.analysisSupport && first.analyzing) {
13686 SendToProgram("exit\n", &first);
13687 first.analyzing = FALSE;
13689 thinkOutput[0] = NULLCHAR;
13693 EditPositionDone (Boolean fakeRights)
13695 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13697 startedFromSetupPosition = TRUE;
13698 InitChessProgram(&first, FALSE);
13699 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13700 boards[0][EP_STATUS] = EP_NONE;
13701 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13702 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13703 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13704 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13705 } else boards[0][CASTLING][2] = NoRights;
13706 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13707 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13708 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13709 } else boards[0][CASTLING][5] = NoRights;
13711 SendToProgram("force\n", &first);
13712 if (blackPlaysFirst) {
13713 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13714 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13715 currentMove = forwardMostMove = backwardMostMove = 1;
13716 CopyBoard(boards[1], boards[0]);
13718 currentMove = forwardMostMove = backwardMostMove = 0;
13720 SendBoard(&first, forwardMostMove);
13721 if (appData.debugMode) {
13722 fprintf(debugFP, "EditPosDone\n");
13725 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13726 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13727 gameMode = EditGame;
13729 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13730 ClearHighlights(); /* [AS] */
13733 /* Pause for `ms' milliseconds */
13734 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13736 TimeDelay (long ms)
13743 } while (SubtractTimeMarks(&m2, &m1) < ms);
13746 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13748 SendMultiLineToICS (char *buf)
13750 char temp[MSG_SIZ+1], *p;
13757 strncpy(temp, buf, len);
13762 if (*p == '\n' || *p == '\r')
13767 strcat(temp, "\n");
13769 SendToPlayer(temp, strlen(temp));
13773 SetWhiteToPlayEvent ()
13775 if (gameMode == EditPosition) {
13776 blackPlaysFirst = FALSE;
13777 DisplayBothClocks(); /* works because currentMove is 0 */
13778 } else if (gameMode == IcsExamining) {
13779 SendToICS(ics_prefix);
13780 SendToICS("tomove white\n");
13785 SetBlackToPlayEvent ()
13787 if (gameMode == EditPosition) {
13788 blackPlaysFirst = TRUE;
13789 currentMove = 1; /* kludge */
13790 DisplayBothClocks();
13792 } else if (gameMode == IcsExamining) {
13793 SendToICS(ics_prefix);
13794 SendToICS("tomove black\n");
13799 EditPositionMenuEvent (ChessSquare selection, int x, int y)
13802 ChessSquare piece = boards[0][y][x];
13804 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13806 switch (selection) {
13808 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13809 SendToICS(ics_prefix);
13810 SendToICS("bsetup clear\n");
13811 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13812 SendToICS(ics_prefix);
13813 SendToICS("clearboard\n");
13815 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13816 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13817 for (y = 0; y < BOARD_HEIGHT; y++) {
13818 if (gameMode == IcsExamining) {
13819 if (boards[currentMove][y][x] != EmptySquare) {
13820 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13825 boards[0][y][x] = p;
13830 if (gameMode == EditPosition) {
13831 DrawPosition(FALSE, boards[0]);
13836 SetWhiteToPlayEvent();
13840 SetBlackToPlayEvent();
13844 if (gameMode == IcsExamining) {
13845 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13846 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13849 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13850 if(x == BOARD_LEFT-2) {
13851 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13852 boards[0][y][1] = 0;
13854 if(x == BOARD_RGHT+1) {
13855 if(y >= gameInfo.holdingsSize) break;
13856 boards[0][y][BOARD_WIDTH-2] = 0;
13859 boards[0][y][x] = EmptySquare;
13860 DrawPosition(FALSE, boards[0]);
13865 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13866 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13867 selection = (ChessSquare) (PROMOTED piece);
13868 } else if(piece == EmptySquare) selection = WhiteSilver;
13869 else selection = (ChessSquare)((int)piece - 1);
13873 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13874 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13875 selection = (ChessSquare) (DEMOTED piece);
13876 } else if(piece == EmptySquare) selection = BlackSilver;
13877 else selection = (ChessSquare)((int)piece + 1);
13882 if(gameInfo.variant == VariantShatranj ||
13883 gameInfo.variant == VariantXiangqi ||
13884 gameInfo.variant == VariantCourier ||
13885 gameInfo.variant == VariantMakruk )
13886 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13891 if(gameInfo.variant == VariantXiangqi)
13892 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13893 if(gameInfo.variant == VariantKnightmate)
13894 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13897 if (gameMode == IcsExamining) {
13898 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13899 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13900 PieceToChar(selection), AAA + x, ONE + y);
13903 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13905 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13906 n = PieceToNumber(selection - BlackPawn);
13907 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13908 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13909 boards[0][BOARD_HEIGHT-1-n][1]++;
13911 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13912 n = PieceToNumber(selection);
13913 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13914 boards[0][n][BOARD_WIDTH-1] = selection;
13915 boards[0][n][BOARD_WIDTH-2]++;
13918 boards[0][y][x] = selection;
13919 DrawPosition(TRUE, boards[0]);
13921 fromX = fromY = -1;
13929 DropMenuEvent (ChessSquare selection, int x, int y)
13931 ChessMove moveType;
13933 switch (gameMode) {
13934 case IcsPlayingWhite:
13935 case MachinePlaysBlack:
13936 if (!WhiteOnMove(currentMove)) {
13937 DisplayMoveError(_("It is Black's turn"));
13940 moveType = WhiteDrop;
13942 case IcsPlayingBlack:
13943 case MachinePlaysWhite:
13944 if (WhiteOnMove(currentMove)) {
13945 DisplayMoveError(_("It is White's turn"));
13948 moveType = BlackDrop;
13951 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13957 if (moveType == BlackDrop && selection < BlackPawn) {
13958 selection = (ChessSquare) ((int) selection
13959 + (int) BlackPawn - (int) WhitePawn);
13961 if (boards[currentMove][y][x] != EmptySquare) {
13962 DisplayMoveError(_("That square is occupied"));
13966 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13972 /* Accept a pending offer of any kind from opponent */
13974 if (appData.icsActive) {
13975 SendToICS(ics_prefix);
13976 SendToICS("accept\n");
13977 } else if (cmailMsgLoaded) {
13978 if (currentMove == cmailOldMove &&
13979 commentList[cmailOldMove] != NULL &&
13980 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13981 "Black offers a draw" : "White offers a draw")) {
13983 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13984 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13986 DisplayError(_("There is no pending offer on this move"), 0);
13987 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13990 /* Not used for offers from chess program */
13997 /* Decline a pending offer of any kind from opponent */
13999 if (appData.icsActive) {
14000 SendToICS(ics_prefix);
14001 SendToICS("decline\n");
14002 } else if (cmailMsgLoaded) {
14003 if (currentMove == cmailOldMove &&
14004 commentList[cmailOldMove] != NULL &&
14005 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14006 "Black offers a draw" : "White offers a draw")) {
14008 AppendComment(cmailOldMove, "Draw declined", TRUE);
14009 DisplayComment(cmailOldMove - 1, "Draw declined");
14012 DisplayError(_("There is no pending offer on this move"), 0);
14015 /* Not used for offers from chess program */
14022 /* Issue ICS rematch command */
14023 if (appData.icsActive) {
14024 SendToICS(ics_prefix);
14025 SendToICS("rematch\n");
14032 /* Call your opponent's flag (claim a win on time) */
14033 if (appData.icsActive) {
14034 SendToICS(ics_prefix);
14035 SendToICS("flag\n");
14037 switch (gameMode) {
14040 case MachinePlaysWhite:
14043 GameEnds(GameIsDrawn, "Both players ran out of time",
14046 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14048 DisplayError(_("Your opponent is not out of time"), 0);
14051 case MachinePlaysBlack:
14054 GameEnds(GameIsDrawn, "Both players ran out of time",
14057 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14059 DisplayError(_("Your opponent is not out of time"), 0);
14067 ClockClick (int which)
14068 { // [HGM] code moved to back-end from winboard.c
14069 if(which) { // black clock
14070 if (gameMode == EditPosition || gameMode == IcsExamining) {
14071 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14072 SetBlackToPlayEvent();
14073 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14074 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14075 } else if (shiftKey) {
14076 AdjustClock(which, -1);
14077 } else if (gameMode == IcsPlayingWhite ||
14078 gameMode == MachinePlaysBlack) {
14081 } else { // white clock
14082 if (gameMode == EditPosition || gameMode == IcsExamining) {
14083 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14084 SetWhiteToPlayEvent();
14085 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14086 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14087 } else if (shiftKey) {
14088 AdjustClock(which, -1);
14089 } else if (gameMode == IcsPlayingBlack ||
14090 gameMode == MachinePlaysWhite) {
14099 /* Offer draw or accept pending draw offer from opponent */
14101 if (appData.icsActive) {
14102 /* Note: tournament rules require draw offers to be
14103 made after you make your move but before you punch
14104 your clock. Currently ICS doesn't let you do that;
14105 instead, you immediately punch your clock after making
14106 a move, but you can offer a draw at any time. */
14108 SendToICS(ics_prefix);
14109 SendToICS("draw\n");
14110 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14111 } else if (cmailMsgLoaded) {
14112 if (currentMove == cmailOldMove &&
14113 commentList[cmailOldMove] != NULL &&
14114 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14115 "Black offers a draw" : "White offers a draw")) {
14116 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14117 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14118 } else if (currentMove == cmailOldMove + 1) {
14119 char *offer = WhiteOnMove(cmailOldMove) ?
14120 "White offers a draw" : "Black offers a draw";
14121 AppendComment(currentMove, offer, TRUE);
14122 DisplayComment(currentMove - 1, offer);
14123 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14125 DisplayError(_("You must make your move before offering a draw"), 0);
14126 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14128 } else if (first.offeredDraw) {
14129 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14131 if (first.sendDrawOffers) {
14132 SendToProgram("draw\n", &first);
14133 userOfferedDraw = TRUE;
14141 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14143 if (appData.icsActive) {
14144 SendToICS(ics_prefix);
14145 SendToICS("adjourn\n");
14147 /* Currently GNU Chess doesn't offer or accept Adjourns */
14155 /* Offer Abort or accept pending Abort offer from opponent */
14157 if (appData.icsActive) {
14158 SendToICS(ics_prefix);
14159 SendToICS("abort\n");
14161 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14168 /* Resign. You can do this even if it's not your turn. */
14170 if (appData.icsActive) {
14171 SendToICS(ics_prefix);
14172 SendToICS("resign\n");
14174 switch (gameMode) {
14175 case MachinePlaysWhite:
14176 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14178 case MachinePlaysBlack:
14179 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14182 if (cmailMsgLoaded) {
14184 if (WhiteOnMove(cmailOldMove)) {
14185 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14187 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14189 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14200 StopObservingEvent ()
14202 /* Stop observing current games */
14203 SendToICS(ics_prefix);
14204 SendToICS("unobserve\n");
14208 StopExaminingEvent ()
14210 /* Stop observing current game */
14211 SendToICS(ics_prefix);
14212 SendToICS("unexamine\n");
14216 ForwardInner (int target)
14218 int limit; int oldSeekGraphUp = seekGraphUp;
14220 if (appData.debugMode)
14221 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14222 target, currentMove, forwardMostMove);
14224 if (gameMode == EditPosition)
14227 seekGraphUp = FALSE;
14228 MarkTargetSquares(1);
14230 if (gameMode == PlayFromGameFile && !pausing)
14233 if (gameMode == IcsExamining && pausing)
14234 limit = pauseExamForwardMostMove;
14236 limit = forwardMostMove;
14238 if (target > limit) target = limit;
14240 if (target > 0 && moveList[target - 1][0]) {
14241 int fromX, fromY, toX, toY;
14242 toX = moveList[target - 1][2] - AAA;
14243 toY = moveList[target - 1][3] - ONE;
14244 if (moveList[target - 1][1] == '@') {
14245 if (appData.highlightLastMove) {
14246 SetHighlights(-1, -1, toX, toY);
14249 fromX = moveList[target - 1][0] - AAA;
14250 fromY = moveList[target - 1][1] - ONE;
14251 if (target == currentMove + 1) {
14252 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14254 if (appData.highlightLastMove) {
14255 SetHighlights(fromX, fromY, toX, toY);
14259 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14260 gameMode == Training || gameMode == PlayFromGameFile ||
14261 gameMode == AnalyzeFile) {
14262 while (currentMove < target) {
14263 SendMoveToProgram(currentMove++, &first);
14266 currentMove = target;
14269 if (gameMode == EditGame || gameMode == EndOfGame) {
14270 whiteTimeRemaining = timeRemaining[0][currentMove];
14271 blackTimeRemaining = timeRemaining[1][currentMove];
14273 DisplayBothClocks();
14274 DisplayMove(currentMove - 1);
14275 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14276 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14277 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14278 DisplayComment(currentMove - 1, commentList[currentMove]);
14286 if (gameMode == IcsExamining && !pausing) {
14287 SendToICS(ics_prefix);
14288 SendToICS("forward\n");
14290 ForwardInner(currentMove + 1);
14297 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14298 /* to optimze, we temporarily turn off analysis mode while we feed
14299 * the remaining moves to the engine. Otherwise we get analysis output
14302 if (first.analysisSupport) {
14303 SendToProgram("exit\nforce\n", &first);
14304 first.analyzing = FALSE;
14308 if (gameMode == IcsExamining && !pausing) {
14309 SendToICS(ics_prefix);
14310 SendToICS("forward 999999\n");
14312 ForwardInner(forwardMostMove);
14315 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14316 /* we have fed all the moves, so reactivate analysis mode */
14317 SendToProgram("analyze\n", &first);
14318 first.analyzing = TRUE;
14319 /*first.maybeThinking = TRUE;*/
14320 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14325 BackwardInner (int target)
14327 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14329 if (appData.debugMode)
14330 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14331 target, currentMove, forwardMostMove);
14333 if (gameMode == EditPosition) return;
14334 seekGraphUp = FALSE;
14335 MarkTargetSquares(1);
14336 if (currentMove <= backwardMostMove) {
14338 DrawPosition(full_redraw, boards[currentMove]);
14341 if (gameMode == PlayFromGameFile && !pausing)
14344 if (moveList[target][0]) {
14345 int fromX, fromY, toX, toY;
14346 toX = moveList[target][2] - AAA;
14347 toY = moveList[target][3] - ONE;
14348 if (moveList[target][1] == '@') {
14349 if (appData.highlightLastMove) {
14350 SetHighlights(-1, -1, toX, toY);
14353 fromX = moveList[target][0] - AAA;
14354 fromY = moveList[target][1] - ONE;
14355 if (target == currentMove - 1) {
14356 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14358 if (appData.highlightLastMove) {
14359 SetHighlights(fromX, fromY, toX, toY);
14363 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14364 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14365 while (currentMove > target) {
14366 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14367 // null move cannot be undone. Reload program with move history before it.
14369 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14370 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14372 SendBoard(&first, i);
14373 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14376 SendToProgram("undo\n", &first);
14380 currentMove = target;
14383 if (gameMode == EditGame || gameMode == EndOfGame) {
14384 whiteTimeRemaining = timeRemaining[0][currentMove];
14385 blackTimeRemaining = timeRemaining[1][currentMove];
14387 DisplayBothClocks();
14388 DisplayMove(currentMove - 1);
14389 DrawPosition(full_redraw, boards[currentMove]);
14390 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14391 // [HGM] PV info: routine tests if comment empty
14392 DisplayComment(currentMove - 1, commentList[currentMove]);
14398 if (gameMode == IcsExamining && !pausing) {
14399 SendToICS(ics_prefix);
14400 SendToICS("backward\n");
14402 BackwardInner(currentMove - 1);
14409 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14410 /* to optimize, we temporarily turn off analysis mode while we undo
14411 * all the moves. Otherwise we get analysis output after each undo.
14413 if (first.analysisSupport) {
14414 SendToProgram("exit\nforce\n", &first);
14415 first.analyzing = FALSE;
14419 if (gameMode == IcsExamining && !pausing) {
14420 SendToICS(ics_prefix);
14421 SendToICS("backward 999999\n");
14423 BackwardInner(backwardMostMove);
14426 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14427 /* we have fed all the moves, so reactivate analysis mode */
14428 SendToProgram("analyze\n", &first);
14429 first.analyzing = TRUE;
14430 /*first.maybeThinking = TRUE;*/
14431 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14438 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14439 if (to >= forwardMostMove) to = forwardMostMove;
14440 if (to <= backwardMostMove) to = backwardMostMove;
14441 if (to < currentMove) {
14449 RevertEvent (Boolean annotate)
14451 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14454 if (gameMode != IcsExamining) {
14455 DisplayError(_("You are not examining a game"), 0);
14459 DisplayError(_("You can't revert while pausing"), 0);
14462 SendToICS(ics_prefix);
14463 SendToICS("revert\n");
14467 RetractMoveEvent ()
14469 switch (gameMode) {
14470 case MachinePlaysWhite:
14471 case MachinePlaysBlack:
14472 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14473 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14476 if (forwardMostMove < 2) return;
14477 currentMove = forwardMostMove = forwardMostMove - 2;
14478 whiteTimeRemaining = timeRemaining[0][currentMove];
14479 blackTimeRemaining = timeRemaining[1][currentMove];
14480 DisplayBothClocks();
14481 DisplayMove(currentMove - 1);
14482 ClearHighlights();/*!! could figure this out*/
14483 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14484 SendToProgram("remove\n", &first);
14485 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14488 case BeginningOfGame:
14492 case IcsPlayingWhite:
14493 case IcsPlayingBlack:
14494 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14495 SendToICS(ics_prefix);
14496 SendToICS("takeback 2\n");
14498 SendToICS(ics_prefix);
14499 SendToICS("takeback 1\n");
14508 ChessProgramState *cps;
14510 switch (gameMode) {
14511 case MachinePlaysWhite:
14512 if (!WhiteOnMove(forwardMostMove)) {
14513 DisplayError(_("It is your turn"), 0);
14518 case MachinePlaysBlack:
14519 if (WhiteOnMove(forwardMostMove)) {
14520 DisplayError(_("It is your turn"), 0);
14525 case TwoMachinesPlay:
14526 if (WhiteOnMove(forwardMostMove) ==
14527 (first.twoMachinesColor[0] == 'w')) {
14533 case BeginningOfGame:
14537 SendToProgram("?\n", cps);
14541 TruncateGameEvent ()
14544 if (gameMode != EditGame) return;
14551 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14552 if (forwardMostMove > currentMove) {
14553 if (gameInfo.resultDetails != NULL) {
14554 free(gameInfo.resultDetails);
14555 gameInfo.resultDetails = NULL;
14556 gameInfo.result = GameUnfinished;
14558 forwardMostMove = currentMove;
14559 HistorySet(parseList, backwardMostMove, forwardMostMove,
14567 if (appData.noChessProgram) return;
14568 switch (gameMode) {
14569 case MachinePlaysWhite:
14570 if (WhiteOnMove(forwardMostMove)) {
14571 DisplayError(_("Wait until your turn"), 0);
14575 case BeginningOfGame:
14576 case MachinePlaysBlack:
14577 if (!WhiteOnMove(forwardMostMove)) {
14578 DisplayError(_("Wait until your turn"), 0);
14583 DisplayError(_("No hint available"), 0);
14586 SendToProgram("hint\n", &first);
14587 hintRequested = TRUE;
14593 if (appData.noChessProgram) return;
14594 switch (gameMode) {
14595 case MachinePlaysWhite:
14596 if (WhiteOnMove(forwardMostMove)) {
14597 DisplayError(_("Wait until your turn"), 0);
14601 case BeginningOfGame:
14602 case MachinePlaysBlack:
14603 if (!WhiteOnMove(forwardMostMove)) {
14604 DisplayError(_("Wait until your turn"), 0);
14609 EditPositionDone(TRUE);
14611 case TwoMachinesPlay:
14616 SendToProgram("bk\n", &first);
14617 bookOutput[0] = NULLCHAR;
14618 bookRequested = TRUE;
14624 char *tags = PGNTags(&gameInfo);
14625 TagsPopUp(tags, CmailMsg());
14629 /* end button procedures */
14632 PrintPosition (FILE *fp, int move)
14636 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14637 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14638 char c = PieceToChar(boards[move][i][j]);
14639 fputc(c == 'x' ? '.' : c, fp);
14640 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14643 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14644 fprintf(fp, "white to play\n");
14646 fprintf(fp, "black to play\n");
14650 PrintOpponents (FILE *fp)
14652 if (gameInfo.white != NULL) {
14653 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14659 /* Find last component of program's own name, using some heuristics */
14661 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14664 int local = (strcmp(host, "localhost") == 0);
14665 while (!local && (p = strchr(prog, ';')) != NULL) {
14667 while (*p == ' ') p++;
14670 if (*prog == '"' || *prog == '\'') {
14671 q = strchr(prog + 1, *prog);
14673 q = strchr(prog, ' ');
14675 if (q == NULL) q = prog + strlen(prog);
14677 while (p >= prog && *p != '/' && *p != '\\') p--;
14679 if(p == prog && *p == '"') p++;
14681 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14682 memcpy(buf, p, q - p);
14683 buf[q - p] = NULLCHAR;
14691 TimeControlTagValue ()
14694 if (!appData.clockMode) {
14695 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14696 } else if (movesPerSession > 0) {
14697 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14698 } else if (timeIncrement == 0) {
14699 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14701 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14703 return StrSave(buf);
14709 /* This routine is used only for certain modes */
14710 VariantClass v = gameInfo.variant;
14711 ChessMove r = GameUnfinished;
14714 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14715 r = gameInfo.result;
14716 p = gameInfo.resultDetails;
14717 gameInfo.resultDetails = NULL;
14719 ClearGameInfo(&gameInfo);
14720 gameInfo.variant = v;
14722 switch (gameMode) {
14723 case MachinePlaysWhite:
14724 gameInfo.event = StrSave( appData.pgnEventHeader );
14725 gameInfo.site = StrSave(HostName());
14726 gameInfo.date = PGNDate();
14727 gameInfo.round = StrSave("-");
14728 gameInfo.white = StrSave(first.tidy);
14729 gameInfo.black = StrSave(UserName());
14730 gameInfo.timeControl = TimeControlTagValue();
14733 case MachinePlaysBlack:
14734 gameInfo.event = StrSave( appData.pgnEventHeader );
14735 gameInfo.site = StrSave(HostName());
14736 gameInfo.date = PGNDate();
14737 gameInfo.round = StrSave("-");
14738 gameInfo.white = StrSave(UserName());
14739 gameInfo.black = StrSave(first.tidy);
14740 gameInfo.timeControl = TimeControlTagValue();
14743 case TwoMachinesPlay:
14744 gameInfo.event = StrSave( appData.pgnEventHeader );
14745 gameInfo.site = StrSave(HostName());
14746 gameInfo.date = PGNDate();
14749 snprintf(buf, MSG_SIZ, "%d", roundNr);
14750 gameInfo.round = StrSave(buf);
14752 gameInfo.round = StrSave("-");
14754 if (first.twoMachinesColor[0] == 'w') {
14755 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14756 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14758 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14759 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14761 gameInfo.timeControl = TimeControlTagValue();
14765 gameInfo.event = StrSave("Edited game");
14766 gameInfo.site = StrSave(HostName());
14767 gameInfo.date = PGNDate();
14768 gameInfo.round = StrSave("-");
14769 gameInfo.white = StrSave("-");
14770 gameInfo.black = StrSave("-");
14771 gameInfo.result = r;
14772 gameInfo.resultDetails = p;
14776 gameInfo.event = StrSave("Edited position");
14777 gameInfo.site = StrSave(HostName());
14778 gameInfo.date = PGNDate();
14779 gameInfo.round = StrSave("-");
14780 gameInfo.white = StrSave("-");
14781 gameInfo.black = StrSave("-");
14784 case IcsPlayingWhite:
14785 case IcsPlayingBlack:
14790 case PlayFromGameFile:
14791 gameInfo.event = StrSave("Game from non-PGN file");
14792 gameInfo.site = StrSave(HostName());
14793 gameInfo.date = PGNDate();
14794 gameInfo.round = StrSave("-");
14795 gameInfo.white = StrSave("?");
14796 gameInfo.black = StrSave("?");
14805 ReplaceComment (int index, char *text)
14811 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14812 pvInfoList[index-1].depth == len &&
14813 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14814 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14815 while (*text == '\n') text++;
14816 len = strlen(text);
14817 while (len > 0 && text[len - 1] == '\n') len--;
14819 if (commentList[index] != NULL)
14820 free(commentList[index]);
14823 commentList[index] = NULL;
14826 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14827 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14828 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14829 commentList[index] = (char *) malloc(len + 2);
14830 strncpy(commentList[index], text, len);
14831 commentList[index][len] = '\n';
14832 commentList[index][len + 1] = NULLCHAR;
14834 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14836 commentList[index] = (char *) malloc(len + 7);
14837 safeStrCpy(commentList[index], "{\n", 3);
14838 safeStrCpy(commentList[index]+2, text, len+1);
14839 commentList[index][len+2] = NULLCHAR;
14840 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14841 strcat(commentList[index], "\n}\n");
14846 CrushCRs (char *text)
14854 if (ch == '\r') continue;
14856 } while (ch != '\0');
14860 AppendComment (int index, char *text, Boolean addBraces)
14861 /* addBraces tells if we should add {} */
14866 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14867 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14870 while (*text == '\n') text++;
14871 len = strlen(text);
14872 while (len > 0 && text[len - 1] == '\n') len--;
14873 text[len] = NULLCHAR;
14875 if (len == 0) return;
14877 if (commentList[index] != NULL) {
14878 Boolean addClosingBrace = addBraces;
14879 old = commentList[index];
14880 oldlen = strlen(old);
14881 while(commentList[index][oldlen-1] == '\n')
14882 commentList[index][--oldlen] = NULLCHAR;
14883 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14884 safeStrCpy(commentList[index], old, oldlen + len + 6);
14886 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14887 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14888 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14889 while (*text == '\n') { text++; len--; }
14890 commentList[index][--oldlen] = NULLCHAR;
14892 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14893 else strcat(commentList[index], "\n");
14894 strcat(commentList[index], text);
14895 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14896 else strcat(commentList[index], "\n");
14898 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14900 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14901 else commentList[index][0] = NULLCHAR;
14902 strcat(commentList[index], text);
14903 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14904 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14909 FindStr (char * text, char * sub_text)
14911 char * result = strstr( text, sub_text );
14913 if( result != NULL ) {
14914 result += strlen( sub_text );
14920 /* [AS] Try to extract PV info from PGN comment */
14921 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14923 GetInfoFromComment (int index, char * text)
14925 char * sep = text, *p;
14927 if( text != NULL && index > 0 ) {
14930 int time = -1, sec = 0, deci;
14931 char * s_eval = FindStr( text, "[%eval " );
14932 char * s_emt = FindStr( text, "[%emt " );
14934 if( s_eval != NULL || s_emt != NULL ) {
14938 if( s_eval != NULL ) {
14939 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14943 if( delim != ']' ) {
14948 if( s_emt != NULL ) {
14953 /* We expect something like: [+|-]nnn.nn/dd */
14956 if(*text != '{') return text; // [HGM] braces: must be normal comment
14958 sep = strchr( text, '/' );
14959 if( sep == NULL || sep < (text+4) ) {
14964 if(p[1] == '(') { // comment starts with PV
14965 p = strchr(p, ')'); // locate end of PV
14966 if(p == NULL || sep < p+5) return text;
14967 // at this point we have something like "{(.*) +0.23/6 ..."
14968 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14969 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14970 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14972 time = -1; sec = -1; deci = -1;
14973 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14974 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14975 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14976 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14980 if( score_lo < 0 || score_lo >= 100 ) {
14984 if(sec >= 0) time = 600*time + 10*sec; else
14985 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14987 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14989 /* [HGM] PV time: now locate end of PV info */
14990 while( *++sep >= '0' && *sep <= '9'); // strip depth
14992 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14994 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14996 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14997 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15008 pvInfoList[index-1].depth = depth;
15009 pvInfoList[index-1].score = score;
15010 pvInfoList[index-1].time = 10*time; // centi-sec
15011 if(*sep == '}') *sep = 0; else *--sep = '{';
15012 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15018 SendToProgram (char *message, ChessProgramState *cps)
15020 int count, outCount, error;
15023 if (cps->pr == NoProc) return;
15026 if (appData.debugMode) {
15029 fprintf(debugFP, "%ld >%-6s: %s",
15030 SubtractTimeMarks(&now, &programStartTime),
15031 cps->which, message);
15033 fprintf(serverFP, "%ld >%-6s: %s",
15034 SubtractTimeMarks(&now, &programStartTime),
15035 cps->which, message), fflush(serverFP);
15038 count = strlen(message);
15039 outCount = OutputToProcess(cps->pr, message, count, &error);
15040 if (outCount < count && !exiting
15041 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15042 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15043 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15044 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15045 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15046 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15047 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15048 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15050 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15051 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15052 gameInfo.result = res;
15054 gameInfo.resultDetails = StrSave(buf);
15056 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15057 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15062 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15066 ChessProgramState *cps = (ChessProgramState *)closure;
15068 if (isr != cps->isr) return; /* Killed intentionally */
15071 RemoveInputSource(cps->isr);
15072 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15073 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15074 _(cps->which), cps->program);
15075 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15076 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15077 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15078 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15079 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15081 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15082 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15083 gameInfo.result = res;
15085 gameInfo.resultDetails = StrSave(buf);
15087 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15088 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15090 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15091 _(cps->which), cps->program);
15092 RemoveInputSource(cps->isr);
15094 /* [AS] Program is misbehaving badly... kill it */
15095 if( count == -2 ) {
15096 DestroyChildProcess( cps->pr, 9 );
15100 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15105 if ((end_str = strchr(message, '\r')) != NULL)
15106 *end_str = NULLCHAR;
15107 if ((end_str = strchr(message, '\n')) != NULL)
15108 *end_str = NULLCHAR;
15110 if (appData.debugMode) {
15111 TimeMark now; int print = 1;
15112 char *quote = ""; char c; int i;
15114 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15115 char start = message[0];
15116 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15117 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15118 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15119 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15120 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15121 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15122 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15123 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15124 sscanf(message, "hint: %c", &c)!=1 &&
15125 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15126 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15127 print = (appData.engineComments >= 2);
15129 message[0] = start; // restore original message
15133 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15134 SubtractTimeMarks(&now, &programStartTime), cps->which,
15138 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15139 SubtractTimeMarks(&now, &programStartTime), cps->which,
15141 message), fflush(serverFP);
15145 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15146 if (appData.icsEngineAnalyze) {
15147 if (strstr(message, "whisper") != NULL ||
15148 strstr(message, "kibitz") != NULL ||
15149 strstr(message, "tellics") != NULL) return;
15152 HandleMachineMove(message, cps);
15157 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15162 if( timeControl_2 > 0 ) {
15163 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15164 tc = timeControl_2;
15167 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15168 inc /= cps->timeOdds;
15169 st /= cps->timeOdds;
15171 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15174 /* Set exact time per move, normally using st command */
15175 if (cps->stKludge) {
15176 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15178 if (seconds == 0) {
15179 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15181 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15184 snprintf(buf, MSG_SIZ, "st %d\n", st);
15187 /* Set conventional or incremental time control, using level command */
15188 if (seconds == 0) {
15189 /* Note old gnuchess bug -- minutes:seconds used to not work.
15190 Fixed in later versions, but still avoid :seconds
15191 when seconds is 0. */
15192 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15194 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15195 seconds, inc/1000.);
15198 SendToProgram(buf, cps);
15200 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15201 /* Orthogonally, limit search to given depth */
15203 if (cps->sdKludge) {
15204 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15206 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15208 SendToProgram(buf, cps);
15211 if(cps->nps >= 0) { /* [HGM] nps */
15212 if(cps->supportsNPS == FALSE)
15213 cps->nps = -1; // don't use if engine explicitly says not supported!
15215 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15216 SendToProgram(buf, cps);
15221 ChessProgramState *
15223 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15225 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15226 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15232 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15234 char message[MSG_SIZ];
15237 /* Note: this routine must be called when the clocks are stopped
15238 or when they have *just* been set or switched; otherwise
15239 it will be off by the time since the current tick started.
15241 if (machineWhite) {
15242 time = whiteTimeRemaining / 10;
15243 otime = blackTimeRemaining / 10;
15245 time = blackTimeRemaining / 10;
15246 otime = whiteTimeRemaining / 10;
15248 /* [HGM] translate opponent's time by time-odds factor */
15249 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15251 if (time <= 0) time = 1;
15252 if (otime <= 0) otime = 1;
15254 snprintf(message, MSG_SIZ, "time %ld\n", time);
15255 SendToProgram(message, cps);
15257 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15258 SendToProgram(message, cps);
15262 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15265 int len = strlen(name);
15268 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15270 sscanf(*p, "%d", &val);
15272 while (**p && **p != ' ')
15274 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15275 SendToProgram(buf, cps);
15282 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15285 int len = strlen(name);
15286 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15288 sscanf(*p, "%d", loc);
15289 while (**p && **p != ' ') (*p)++;
15290 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15291 SendToProgram(buf, cps);
15298 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15301 int len = strlen(name);
15302 if (strncmp((*p), name, len) == 0
15303 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15305 sscanf(*p, "%[^\"]", loc);
15306 while (**p && **p != '\"') (*p)++;
15307 if (**p == '\"') (*p)++;
15308 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15309 SendToProgram(buf, cps);
15316 ParseOption (Option *opt, ChessProgramState *cps)
15317 // [HGM] options: process the string that defines an engine option, and determine
15318 // name, type, default value, and allowed value range
15320 char *p, *q, buf[MSG_SIZ];
15321 int n, min = (-1)<<31, max = 1<<31, def;
15323 if(p = strstr(opt->name, " -spin ")) {
15324 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15325 if(max < min) max = min; // enforce consistency
15326 if(def < min) def = min;
15327 if(def > max) def = max;
15332 } else if((p = strstr(opt->name, " -slider "))) {
15333 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15334 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15335 if(max < min) max = min; // enforce consistency
15336 if(def < min) def = min;
15337 if(def > max) def = max;
15341 opt->type = Spin; // Slider;
15342 } else if((p = strstr(opt->name, " -string "))) {
15343 opt->textValue = p+9;
15344 opt->type = TextBox;
15345 } else if((p = strstr(opt->name, " -file "))) {
15346 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15347 opt->textValue = p+7;
15348 opt->type = FileName; // FileName;
15349 } else if((p = strstr(opt->name, " -path "))) {
15350 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15351 opt->textValue = p+7;
15352 opt->type = PathName; // PathName;
15353 } else if(p = strstr(opt->name, " -check ")) {
15354 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15355 opt->value = (def != 0);
15356 opt->type = CheckBox;
15357 } else if(p = strstr(opt->name, " -combo ")) {
15358 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15359 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15360 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15361 opt->value = n = 0;
15362 while(q = StrStr(q, " /// ")) {
15363 n++; *q = 0; // count choices, and null-terminate each of them
15365 if(*q == '*') { // remember default, which is marked with * prefix
15369 cps->comboList[cps->comboCnt++] = q;
15371 cps->comboList[cps->comboCnt++] = NULL;
15373 opt->type = ComboBox;
15374 } else if(p = strstr(opt->name, " -button")) {
15375 opt->type = Button;
15376 } else if(p = strstr(opt->name, " -save")) {
15377 opt->type = SaveButton;
15378 } else return FALSE;
15379 *p = 0; // terminate option name
15380 // now look if the command-line options define a setting for this engine option.
15381 if(cps->optionSettings && cps->optionSettings[0])
15382 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15383 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15384 snprintf(buf, MSG_SIZ, "option %s", p);
15385 if(p = strstr(buf, ",")) *p = 0;
15386 if(q = strchr(buf, '=')) switch(opt->type) {
15388 for(n=0; n<opt->max; n++)
15389 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15392 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15396 opt->value = atoi(q+1);
15401 SendToProgram(buf, cps);
15407 FeatureDone (ChessProgramState *cps, int val)
15409 DelayedEventCallback cb = GetDelayedEvent();
15410 if ((cb == InitBackEnd3 && cps == &first) ||
15411 (cb == SettingsMenuIfReady && cps == &second) ||
15412 (cb == LoadEngine) ||
15413 (cb == TwoMachinesEventIfReady)) {
15414 CancelDelayedEvent();
15415 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15417 cps->initDone = val;
15420 /* Parse feature command from engine */
15422 ParseFeatures (char *args, ChessProgramState *cps)
15430 while (*p == ' ') p++;
15431 if (*p == NULLCHAR) return;
15433 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15434 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15435 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15436 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15437 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15438 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15439 if (BoolFeature(&p, "reuse", &val, cps)) {
15440 /* Engine can disable reuse, but can't enable it if user said no */
15441 if (!val) cps->reuse = FALSE;
15444 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15445 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15446 if (gameMode == TwoMachinesPlay) {
15447 DisplayTwoMachinesTitle();
15453 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15454 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15455 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15456 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15457 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15458 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15459 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15460 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15461 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15462 if (IntFeature(&p, "done", &val, cps)) {
15463 FeatureDone(cps, val);
15466 /* Added by Tord: */
15467 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15468 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15469 /* End of additions by Tord */
15471 /* [HGM] added features: */
15472 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15473 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15474 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15475 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15476 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15477 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15478 if (StringFeature(&p, "option", cps->option[cps->nrOptions].name, cps)) {
15479 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15480 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15481 SendToProgram(buf, cps);
15484 if(cps->nrOptions >= MAX_OPTIONS) {
15486 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15487 DisplayError(buf, 0);
15491 /* End of additions by HGM */
15493 /* unknown feature: complain and skip */
15495 while (*q && *q != '=') q++;
15496 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15497 SendToProgram(buf, cps);
15503 while (*p && *p != '\"') p++;
15504 if (*p == '\"') p++;
15506 while (*p && *p != ' ') p++;
15514 PeriodicUpdatesEvent (int newState)
15516 if (newState == appData.periodicUpdates)
15519 appData.periodicUpdates=newState;
15521 /* Display type changes, so update it now */
15522 // DisplayAnalysis();
15524 /* Get the ball rolling again... */
15526 AnalysisPeriodicEvent(1);
15527 StartAnalysisClock();
15532 PonderNextMoveEvent (int newState)
15534 if (newState == appData.ponderNextMove) return;
15535 if (gameMode == EditPosition) EditPositionDone(TRUE);
15537 SendToProgram("hard\n", &first);
15538 if (gameMode == TwoMachinesPlay) {
15539 SendToProgram("hard\n", &second);
15542 SendToProgram("easy\n", &first);
15543 thinkOutput[0] = NULLCHAR;
15544 if (gameMode == TwoMachinesPlay) {
15545 SendToProgram("easy\n", &second);
15548 appData.ponderNextMove = newState;
15552 NewSettingEvent (int option, int *feature, char *command, int value)
15556 if (gameMode == EditPosition) EditPositionDone(TRUE);
15557 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15558 if(feature == NULL || *feature) SendToProgram(buf, &first);
15559 if (gameMode == TwoMachinesPlay) {
15560 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15565 ShowThinkingEvent ()
15566 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15568 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15569 int newState = appData.showThinking
15570 // [HGM] thinking: other features now need thinking output as well
15571 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15573 if (oldState == newState) return;
15574 oldState = newState;
15575 if (gameMode == EditPosition) EditPositionDone(TRUE);
15577 SendToProgram("post\n", &first);
15578 if (gameMode == TwoMachinesPlay) {
15579 SendToProgram("post\n", &second);
15582 SendToProgram("nopost\n", &first);
15583 thinkOutput[0] = NULLCHAR;
15584 if (gameMode == TwoMachinesPlay) {
15585 SendToProgram("nopost\n", &second);
15588 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15592 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15594 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15595 if (pr == NoProc) return;
15596 AskQuestion(title, question, replyPrefix, pr);
15600 TypeInEvent (char firstChar)
15602 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15603 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15604 gameMode == AnalyzeMode || gameMode == EditGame ||
15605 gameMode == EditPosition || gameMode == IcsExamining ||
15606 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15607 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15608 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15609 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15610 gameMode == Training) PopUpMoveDialog(firstChar);
15614 TypeInDoneEvent (char *move)
15617 int n, fromX, fromY, toX, toY;
15619 ChessMove moveType;
15622 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15623 EditPositionPasteFEN(move);
15626 // [HGM] movenum: allow move number to be typed in any mode
15627 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15631 // undocumented kludge: allow command-line option to be typed in!
15632 // (potentially fatal, and does not implement the effect of the option.)
15633 // should only be used for options that are values on which future decisions will be made,
15634 // and definitely not on options that would be used during initialization.
15635 if(strstr(move, "!!! -") == move) {
15636 ParseArgsFromString(move+4);
15640 if (gameMode != EditGame && currentMove != forwardMostMove &&
15641 gameMode != Training) {
15642 DisplayMoveError(_("Displayed move is not current"));
15644 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15645 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15646 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15647 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15648 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15649 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15651 DisplayMoveError(_("Could not parse move"));
15657 DisplayMove (int moveNumber)
15659 char message[MSG_SIZ];
15661 char cpThinkOutput[MSG_SIZ];
15663 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15665 if (moveNumber == forwardMostMove - 1 ||
15666 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15668 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15670 if (strchr(cpThinkOutput, '\n')) {
15671 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15674 *cpThinkOutput = NULLCHAR;
15677 /* [AS] Hide thinking from human user */
15678 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15679 *cpThinkOutput = NULLCHAR;
15680 if( thinkOutput[0] != NULLCHAR ) {
15683 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15684 cpThinkOutput[i] = '.';
15686 cpThinkOutput[i] = NULLCHAR;
15687 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15691 if (moveNumber == forwardMostMove - 1 &&
15692 gameInfo.resultDetails != NULL) {
15693 if (gameInfo.resultDetails[0] == NULLCHAR) {
15694 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15696 snprintf(res, MSG_SIZ, " {%s} %s",
15697 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15703 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15704 DisplayMessage(res, cpThinkOutput);
15706 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15707 WhiteOnMove(moveNumber) ? " " : ".. ",
15708 parseList[moveNumber], res);
15709 DisplayMessage(message, cpThinkOutput);
15714 DisplayComment (int moveNumber, char *text)
15716 char title[MSG_SIZ];
15718 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15719 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15721 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15722 WhiteOnMove(moveNumber) ? " " : ".. ",
15723 parseList[moveNumber]);
15725 if (text != NULL && (appData.autoDisplayComment || commentUp))
15726 CommentPopUp(title, text);
15729 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15730 * might be busy thinking or pondering. It can be omitted if your
15731 * gnuchess is configured to stop thinking immediately on any user
15732 * input. However, that gnuchess feature depends on the FIONREAD
15733 * ioctl, which does not work properly on some flavors of Unix.
15736 Attention (ChessProgramState *cps)
15739 if (!cps->useSigint) return;
15740 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15741 switch (gameMode) {
15742 case MachinePlaysWhite:
15743 case MachinePlaysBlack:
15744 case TwoMachinesPlay:
15745 case IcsPlayingWhite:
15746 case IcsPlayingBlack:
15749 /* Skip if we know it isn't thinking */
15750 if (!cps->maybeThinking) return;
15751 if (appData.debugMode)
15752 fprintf(debugFP, "Interrupting %s\n", cps->which);
15753 InterruptChildProcess(cps->pr);
15754 cps->maybeThinking = FALSE;
15759 #endif /*ATTENTION*/
15765 if (whiteTimeRemaining <= 0) {
15768 if (appData.icsActive) {
15769 if (appData.autoCallFlag &&
15770 gameMode == IcsPlayingBlack && !blackFlag) {
15771 SendToICS(ics_prefix);
15772 SendToICS("flag\n");
15776 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15778 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15779 if (appData.autoCallFlag) {
15780 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15787 if (blackTimeRemaining <= 0) {
15790 if (appData.icsActive) {
15791 if (appData.autoCallFlag &&
15792 gameMode == IcsPlayingWhite && !whiteFlag) {
15793 SendToICS(ics_prefix);
15794 SendToICS("flag\n");
15798 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15800 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15801 if (appData.autoCallFlag) {
15802 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15813 CheckTimeControl ()
15815 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15816 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15819 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15821 if ( !WhiteOnMove(forwardMostMove) ) {
15822 /* White made time control */
15823 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15824 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15825 /* [HGM] time odds: correct new time quota for time odds! */
15826 / WhitePlayer()->timeOdds;
15827 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15829 lastBlack -= blackTimeRemaining;
15830 /* Black made time control */
15831 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15832 / WhitePlayer()->other->timeOdds;
15833 lastWhite = whiteTimeRemaining;
15838 DisplayBothClocks ()
15840 int wom = gameMode == EditPosition ?
15841 !blackPlaysFirst : WhiteOnMove(currentMove);
15842 DisplayWhiteClock(whiteTimeRemaining, wom);
15843 DisplayBlackClock(blackTimeRemaining, !wom);
15847 /* Timekeeping seems to be a portability nightmare. I think everyone
15848 has ftime(), but I'm really not sure, so I'm including some ifdefs
15849 to use other calls if you don't. Clocks will be less accurate if
15850 you have neither ftime nor gettimeofday.
15853 /* VS 2008 requires the #include outside of the function */
15854 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15855 #include <sys/timeb.h>
15858 /* Get the current time as a TimeMark */
15860 GetTimeMark (TimeMark *tm)
15862 #if HAVE_GETTIMEOFDAY
15864 struct timeval timeVal;
15865 struct timezone timeZone;
15867 gettimeofday(&timeVal, &timeZone);
15868 tm->sec = (long) timeVal.tv_sec;
15869 tm->ms = (int) (timeVal.tv_usec / 1000L);
15871 #else /*!HAVE_GETTIMEOFDAY*/
15874 // include <sys/timeb.h> / moved to just above start of function
15875 struct timeb timeB;
15878 tm->sec = (long) timeB.time;
15879 tm->ms = (int) timeB.millitm;
15881 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15882 tm->sec = (long) time(NULL);
15888 /* Return the difference in milliseconds between two
15889 time marks. We assume the difference will fit in a long!
15892 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
15894 return 1000L*(tm2->sec - tm1->sec) +
15895 (long) (tm2->ms - tm1->ms);
15900 * Code to manage the game clocks.
15902 * In tournament play, black starts the clock and then white makes a move.
15903 * We give the human user a slight advantage if he is playing white---the
15904 * clocks don't run until he makes his first move, so it takes zero time.
15905 * Also, we don't account for network lag, so we could get out of sync
15906 * with GNU Chess's clock -- but then, referees are always right.
15909 static TimeMark tickStartTM;
15910 static long intendedTickLength;
15913 NextTickLength (long timeRemaining)
15915 long nominalTickLength, nextTickLength;
15917 if (timeRemaining > 0L && timeRemaining <= 10000L)
15918 nominalTickLength = 100L;
15920 nominalTickLength = 1000L;
15921 nextTickLength = timeRemaining % nominalTickLength;
15922 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15924 return nextTickLength;
15927 /* Adjust clock one minute up or down */
15929 AdjustClock (Boolean which, int dir)
15931 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15932 if(which) blackTimeRemaining += 60000*dir;
15933 else whiteTimeRemaining += 60000*dir;
15934 DisplayBothClocks();
15935 adjustedClock = TRUE;
15938 /* Stop clocks and reset to a fresh time control */
15942 (void) StopClockTimer();
15943 if (appData.icsActive) {
15944 whiteTimeRemaining = blackTimeRemaining = 0;
15945 } else if (searchTime) {
15946 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15947 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15948 } else { /* [HGM] correct new time quote for time odds */
15949 whiteTC = blackTC = fullTimeControlString;
15950 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15951 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15953 if (whiteFlag || blackFlag) {
15955 whiteFlag = blackFlag = FALSE;
15957 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15958 DisplayBothClocks();
15959 adjustedClock = FALSE;
15962 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15964 /* Decrement running clock by amount of time that has passed */
15968 long timeRemaining;
15969 long lastTickLength, fudge;
15972 if (!appData.clockMode) return;
15973 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15977 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15979 /* Fudge if we woke up a little too soon */
15980 fudge = intendedTickLength - lastTickLength;
15981 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15983 if (WhiteOnMove(forwardMostMove)) {
15984 if(whiteNPS >= 0) lastTickLength = 0;
15985 timeRemaining = whiteTimeRemaining -= lastTickLength;
15986 if(timeRemaining < 0 && !appData.icsActive) {
15987 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15988 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15989 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15990 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15993 DisplayWhiteClock(whiteTimeRemaining - fudge,
15994 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15996 if(blackNPS >= 0) lastTickLength = 0;
15997 timeRemaining = blackTimeRemaining -= lastTickLength;
15998 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15999 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16001 blackStartMove = forwardMostMove;
16002 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16005 DisplayBlackClock(blackTimeRemaining - fudge,
16006 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16008 if (CheckFlags()) return;
16011 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16012 StartClockTimer(intendedTickLength);
16014 /* if the time remaining has fallen below the alarm threshold, sound the
16015 * alarm. if the alarm has sounded and (due to a takeback or time control
16016 * with increment) the time remaining has increased to a level above the
16017 * threshold, reset the alarm so it can sound again.
16020 if (appData.icsActive && appData.icsAlarm) {
16022 /* make sure we are dealing with the user's clock */
16023 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16024 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16027 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16028 alarmSounded = FALSE;
16029 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16031 alarmSounded = TRUE;
16037 /* A player has just moved, so stop the previously running
16038 clock and (if in clock mode) start the other one.
16039 We redisplay both clocks in case we're in ICS mode, because
16040 ICS gives us an update to both clocks after every move.
16041 Note that this routine is called *after* forwardMostMove
16042 is updated, so the last fractional tick must be subtracted
16043 from the color that is *not* on move now.
16046 SwitchClocks (int newMoveNr)
16048 long lastTickLength;
16050 int flagged = FALSE;
16054 if (StopClockTimer() && appData.clockMode) {
16055 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16056 if (!WhiteOnMove(forwardMostMove)) {
16057 if(blackNPS >= 0) lastTickLength = 0;
16058 blackTimeRemaining -= lastTickLength;
16059 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16060 // if(pvInfoList[forwardMostMove].time == -1)
16061 pvInfoList[forwardMostMove].time = // use GUI time
16062 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16064 if(whiteNPS >= 0) lastTickLength = 0;
16065 whiteTimeRemaining -= lastTickLength;
16066 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16067 // if(pvInfoList[forwardMostMove].time == -1)
16068 pvInfoList[forwardMostMove].time =
16069 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16071 flagged = CheckFlags();
16073 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16074 CheckTimeControl();
16076 if (flagged || !appData.clockMode) return;
16078 switch (gameMode) {
16079 case MachinePlaysBlack:
16080 case MachinePlaysWhite:
16081 case BeginningOfGame:
16082 if (pausing) return;
16086 case PlayFromGameFile:
16094 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16095 if(WhiteOnMove(forwardMostMove))
16096 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16097 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16101 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16102 whiteTimeRemaining : blackTimeRemaining);
16103 StartClockTimer(intendedTickLength);
16107 /* Stop both clocks */
16111 long lastTickLength;
16114 if (!StopClockTimer()) return;
16115 if (!appData.clockMode) return;
16119 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16120 if (WhiteOnMove(forwardMostMove)) {
16121 if(whiteNPS >= 0) lastTickLength = 0;
16122 whiteTimeRemaining -= lastTickLength;
16123 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16125 if(blackNPS >= 0) lastTickLength = 0;
16126 blackTimeRemaining -= lastTickLength;
16127 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16132 /* Start clock of player on move. Time may have been reset, so
16133 if clock is already running, stop and restart it. */
16137 (void) StopClockTimer(); /* in case it was running already */
16138 DisplayBothClocks();
16139 if (CheckFlags()) return;
16141 if (!appData.clockMode) return;
16142 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16144 GetTimeMark(&tickStartTM);
16145 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16146 whiteTimeRemaining : blackTimeRemaining);
16148 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16149 whiteNPS = blackNPS = -1;
16150 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16151 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16152 whiteNPS = first.nps;
16153 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16154 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16155 blackNPS = first.nps;
16156 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16157 whiteNPS = second.nps;
16158 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16159 blackNPS = second.nps;
16160 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16162 StartClockTimer(intendedTickLength);
16166 TimeString (long ms)
16168 long second, minute, hour, day;
16170 static char buf[32];
16172 if (ms > 0 && ms <= 9900) {
16173 /* convert milliseconds to tenths, rounding up */
16174 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16176 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16180 /* convert milliseconds to seconds, rounding up */
16181 /* use floating point to avoid strangeness of integer division
16182 with negative dividends on many machines */
16183 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16190 day = second / (60 * 60 * 24);
16191 second = second % (60 * 60 * 24);
16192 hour = second / (60 * 60);
16193 second = second % (60 * 60);
16194 minute = second / 60;
16195 second = second % 60;
16198 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16199 sign, day, hour, minute, second);
16201 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16203 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16210 * This is necessary because some C libraries aren't ANSI C compliant yet.
16213 StrStr (char *string, char *match)
16217 length = strlen(match);
16219 for (i = strlen(string) - length; i >= 0; i--, string++)
16220 if (!strncmp(match, string, length))
16227 StrCaseStr (char *string, char *match)
16231 length = strlen(match);
16233 for (i = strlen(string) - length; i >= 0; i--, string++) {
16234 for (j = 0; j < length; j++) {
16235 if (ToLower(match[j]) != ToLower(string[j]))
16238 if (j == length) return string;
16246 StrCaseCmp (char *s1, char *s2)
16251 c1 = ToLower(*s1++);
16252 c2 = ToLower(*s2++);
16253 if (c1 > c2) return 1;
16254 if (c1 < c2) return -1;
16255 if (c1 == NULLCHAR) return 0;
16263 return isupper(c) ? tolower(c) : c;
16270 return islower(c) ? toupper(c) : c;
16272 #endif /* !_amigados */
16279 if ((ret = (char *) malloc(strlen(s) + 1)))
16281 safeStrCpy(ret, s, strlen(s)+1);
16287 StrSavePtr (char *s, char **savePtr)
16292 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16293 safeStrCpy(*savePtr, s, strlen(s)+1);
16305 clock = time((time_t *)NULL);
16306 tm = localtime(&clock);
16307 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16308 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16309 return StrSave(buf);
16314 PositionToFEN (int move, char *overrideCastling)
16316 int i, j, fromX, fromY, toX, toY;
16323 whiteToPlay = (gameMode == EditPosition) ?
16324 !blackPlaysFirst : (move % 2 == 0);
16327 /* Piece placement data */
16328 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16329 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16331 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16332 if (boards[move][i][j] == EmptySquare) {
16334 } else { ChessSquare piece = boards[move][i][j];
16335 if (emptycount > 0) {
16336 if(emptycount<10) /* [HGM] can be >= 10 */
16337 *p++ = '0' + emptycount;
16338 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16341 if(PieceToChar(piece) == '+') {
16342 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16344 piece = (ChessSquare)(DEMOTED piece);
16346 *p++ = PieceToChar(piece);
16348 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16349 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16354 if (emptycount > 0) {
16355 if(emptycount<10) /* [HGM] can be >= 10 */
16356 *p++ = '0' + emptycount;
16357 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16364 /* [HGM] print Crazyhouse or Shogi holdings */
16365 if( gameInfo.holdingsWidth ) {
16366 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16368 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16369 piece = boards[move][i][BOARD_WIDTH-1];
16370 if( piece != EmptySquare )
16371 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16372 *p++ = PieceToChar(piece);
16374 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16375 piece = boards[move][BOARD_HEIGHT-i-1][0];
16376 if( piece != EmptySquare )
16377 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16378 *p++ = PieceToChar(piece);
16381 if( q == p ) *p++ = '-';
16387 *p++ = whiteToPlay ? 'w' : 'b';
16390 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16391 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16393 if(nrCastlingRights) {
16395 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16396 /* [HGM] write directly from rights */
16397 if(boards[move][CASTLING][2] != NoRights &&
16398 boards[move][CASTLING][0] != NoRights )
16399 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16400 if(boards[move][CASTLING][2] != NoRights &&
16401 boards[move][CASTLING][1] != NoRights )
16402 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16403 if(boards[move][CASTLING][5] != NoRights &&
16404 boards[move][CASTLING][3] != NoRights )
16405 *p++ = boards[move][CASTLING][3] + AAA;
16406 if(boards[move][CASTLING][5] != NoRights &&
16407 boards[move][CASTLING][4] != NoRights )
16408 *p++ = boards[move][CASTLING][4] + AAA;
16411 /* [HGM] write true castling rights */
16412 if( nrCastlingRights == 6 ) {
16413 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16414 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16415 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16416 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16417 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16418 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16419 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16420 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16423 if (q == p) *p++ = '-'; /* No castling rights */
16427 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16428 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16429 /* En passant target square */
16430 if (move > backwardMostMove) {
16431 fromX = moveList[move - 1][0] - AAA;
16432 fromY = moveList[move - 1][1] - ONE;
16433 toX = moveList[move - 1][2] - AAA;
16434 toY = moveList[move - 1][3] - ONE;
16435 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16436 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16437 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16439 /* 2-square pawn move just happened */
16441 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16445 } else if(move == backwardMostMove) {
16446 // [HGM] perhaps we should always do it like this, and forget the above?
16447 if((signed char)boards[move][EP_STATUS] >= 0) {
16448 *p++ = boards[move][EP_STATUS] + AAA;
16449 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16460 /* [HGM] find reversible plies */
16461 { int i = 0, j=move;
16463 if (appData.debugMode) { int k;
16464 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16465 for(k=backwardMostMove; k<=forwardMostMove; k++)
16466 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16470 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16471 if( j == backwardMostMove ) i += initialRulePlies;
16472 sprintf(p, "%d ", i);
16473 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16475 /* Fullmove number */
16476 sprintf(p, "%d", (move / 2) + 1);
16478 return StrSave(buf);
16482 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16491 /* [HGM] by default clear Crazyhouse holdings, if present */
16492 if(gameInfo.holdingsWidth) {
16493 for(i=0; i<BOARD_HEIGHT; i++) {
16494 board[i][0] = EmptySquare; /* black holdings */
16495 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16496 board[i][1] = (ChessSquare) 0; /* black counts */
16497 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16501 /* Piece placement data */
16502 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16505 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16506 if (*p == '/') p++;
16507 emptycount = gameInfo.boardWidth - j;
16508 while (emptycount--)
16509 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16511 #if(BOARD_FILES >= 10)
16512 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16513 p++; emptycount=10;
16514 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16515 while (emptycount--)
16516 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16518 } else if (isdigit(*p)) {
16519 emptycount = *p++ - '0';
16520 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16521 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16522 while (emptycount--)
16523 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16524 } else if (*p == '+' || isalpha(*p)) {
16525 if (j >= gameInfo.boardWidth) return FALSE;
16527 piece = CharToPiece(*++p);
16528 if(piece == EmptySquare) return FALSE; /* unknown piece */
16529 piece = (ChessSquare) (PROMOTED piece ); p++;
16530 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16531 } else piece = CharToPiece(*p++);
16533 if(piece==EmptySquare) return FALSE; /* unknown piece */
16534 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16535 piece = (ChessSquare) (PROMOTED piece);
16536 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16539 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16545 while (*p == '/' || *p == ' ') p++;
16547 /* [HGM] look for Crazyhouse holdings here */
16548 while(*p==' ') p++;
16549 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16551 if(*p == '-' ) p++; /* empty holdings */ else {
16552 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16553 /* if we would allow FEN reading to set board size, we would */
16554 /* have to add holdings and shift the board read so far here */
16555 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16557 if((int) piece >= (int) BlackPawn ) {
16558 i = (int)piece - (int)BlackPawn;
16559 i = PieceToNumber((ChessSquare)i);
16560 if( i >= gameInfo.holdingsSize ) return FALSE;
16561 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16562 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16564 i = (int)piece - (int)WhitePawn;
16565 i = PieceToNumber((ChessSquare)i);
16566 if( i >= gameInfo.holdingsSize ) return FALSE;
16567 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16568 board[i][BOARD_WIDTH-2]++; /* black holdings */
16575 while(*p == ' ') p++;
16579 if(appData.colorNickNames) {
16580 if( c == appData.colorNickNames[0] ) c = 'w'; else
16581 if( c == appData.colorNickNames[1] ) c = 'b';
16585 *blackPlaysFirst = FALSE;
16588 *blackPlaysFirst = TRUE;
16594 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16595 /* return the extra info in global variiables */
16597 /* set defaults in case FEN is incomplete */
16598 board[EP_STATUS] = EP_UNKNOWN;
16599 for(i=0; i<nrCastlingRights; i++ ) {
16600 board[CASTLING][i] =
16601 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16602 } /* assume possible unless obviously impossible */
16603 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16604 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16605 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16606 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16607 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16608 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16609 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16610 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16613 while(*p==' ') p++;
16614 if(nrCastlingRights) {
16615 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16616 /* castling indicator present, so default becomes no castlings */
16617 for(i=0; i<nrCastlingRights; i++ ) {
16618 board[CASTLING][i] = NoRights;
16621 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16622 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16623 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16624 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16625 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16627 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16628 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16629 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16631 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16632 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16633 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16634 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16635 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16636 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16639 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16640 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16641 board[CASTLING][2] = whiteKingFile;
16644 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16645 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16646 board[CASTLING][2] = whiteKingFile;
16649 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16650 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16651 board[CASTLING][5] = blackKingFile;
16654 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16655 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16656 board[CASTLING][5] = blackKingFile;
16659 default: /* FRC castlings */
16660 if(c >= 'a') { /* black rights */
16661 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16662 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16663 if(i == BOARD_RGHT) break;
16664 board[CASTLING][5] = i;
16666 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16667 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16669 board[CASTLING][3] = c;
16671 board[CASTLING][4] = c;
16672 } else { /* white rights */
16673 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16674 if(board[0][i] == WhiteKing) break;
16675 if(i == BOARD_RGHT) break;
16676 board[CASTLING][2] = i;
16677 c -= AAA - 'a' + 'A';
16678 if(board[0][c] >= WhiteKing) break;
16680 board[CASTLING][0] = c;
16682 board[CASTLING][1] = c;
16686 for(i=0; i<nrCastlingRights; i++)
16687 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16688 if (appData.debugMode) {
16689 fprintf(debugFP, "FEN castling rights:");
16690 for(i=0; i<nrCastlingRights; i++)
16691 fprintf(debugFP, " %d", board[CASTLING][i]);
16692 fprintf(debugFP, "\n");
16695 while(*p==' ') p++;
16698 /* read e.p. field in games that know e.p. capture */
16699 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16700 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16702 p++; board[EP_STATUS] = EP_NONE;
16704 char c = *p++ - AAA;
16706 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16707 if(*p >= '0' && *p <='9') p++;
16708 board[EP_STATUS] = c;
16713 if(sscanf(p, "%d", &i) == 1) {
16714 FENrulePlies = i; /* 50-move ply counter */
16715 /* (The move number is still ignored) */
16722 EditPositionPasteFEN (char *fen)
16725 Board initial_position;
16727 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16728 DisplayError(_("Bad FEN position in clipboard"), 0);
16731 int savedBlackPlaysFirst = blackPlaysFirst;
16732 EditPositionEvent();
16733 blackPlaysFirst = savedBlackPlaysFirst;
16734 CopyBoard(boards[0], initial_position);
16735 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16736 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16737 DisplayBothClocks();
16738 DrawPosition(FALSE, boards[currentMove]);
16743 static char cseq[12] = "\\ ";
16746 set_cont_sequence (char *new_seq)
16751 // handle bad attempts to set the sequence
16753 return 0; // acceptable error - no debug
16755 len = strlen(new_seq);
16756 ret = (len > 0) && (len < sizeof(cseq));
16758 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16759 else if (appData.debugMode)
16760 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16765 reformat a source message so words don't cross the width boundary. internal
16766 newlines are not removed. returns the wrapped size (no null character unless
16767 included in source message). If dest is NULL, only calculate the size required
16768 for the dest buffer. lp argument indicats line position upon entry, and it's
16769 passed back upon exit.
16772 wrap (char *dest, char *src, int count, int width, int *lp)
16774 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16776 cseq_len = strlen(cseq);
16777 old_line = line = *lp;
16778 ansi = len = clen = 0;
16780 for (i=0; i < count; i++)
16782 if (src[i] == '\033')
16785 // if we hit the width, back up
16786 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16788 // store i & len in case the word is too long
16789 old_i = i, old_len = len;
16791 // find the end of the last word
16792 while (i && src[i] != ' ' && src[i] != '\n')
16798 // word too long? restore i & len before splitting it
16799 if ((old_i-i+clen) >= width)
16806 if (i && src[i-1] == ' ')
16809 if (src[i] != ' ' && src[i] != '\n')
16816 // now append the newline and continuation sequence
16821 strncpy(dest+len, cseq, cseq_len);
16829 dest[len] = src[i];
16833 if (src[i] == '\n')
16838 if (dest && appData.debugMode)
16840 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16841 count, width, line, len, *lp);
16842 show_bytes(debugFP, src, count);
16843 fprintf(debugFP, "\ndest: ");
16844 show_bytes(debugFP, dest, len);
16845 fprintf(debugFP, "\n");
16847 *lp = dest ? line : old_line;
16852 // [HGM] vari: routines for shelving variations
16853 Boolean modeRestore = FALSE;
16856 PushInner (int firstMove, int lastMove)
16858 int i, j, nrMoves = lastMove - firstMove;
16860 // push current tail of game on stack
16861 savedResult[storedGames] = gameInfo.result;
16862 savedDetails[storedGames] = gameInfo.resultDetails;
16863 gameInfo.resultDetails = NULL;
16864 savedFirst[storedGames] = firstMove;
16865 savedLast [storedGames] = lastMove;
16866 savedFramePtr[storedGames] = framePtr;
16867 framePtr -= nrMoves; // reserve space for the boards
16868 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16869 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16870 for(j=0; j<MOVE_LEN; j++)
16871 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16872 for(j=0; j<2*MOVE_LEN; j++)
16873 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16874 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16875 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16876 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16877 pvInfoList[firstMove+i-1].depth = 0;
16878 commentList[framePtr+i] = commentList[firstMove+i];
16879 commentList[firstMove+i] = NULL;
16883 forwardMostMove = firstMove; // truncate game so we can start variation
16887 PushTail (int firstMove, int lastMove)
16889 if(appData.icsActive) { // only in local mode
16890 forwardMostMove = currentMove; // mimic old ICS behavior
16893 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16895 PushInner(firstMove, lastMove);
16896 if(storedGames == 1) GreyRevert(FALSE);
16897 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16901 PopInner (Boolean annotate)
16904 char buf[8000], moveBuf[20];
16906 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16907 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16908 nrMoves = savedLast[storedGames] - currentMove;
16911 if(!WhiteOnMove(currentMove))
16912 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16913 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16914 for(i=currentMove; i<forwardMostMove; i++) {
16916 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16917 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16918 strcat(buf, moveBuf);
16919 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16920 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16924 for(i=1; i<=nrMoves; i++) { // copy last variation back
16925 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16926 for(j=0; j<MOVE_LEN; j++)
16927 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16928 for(j=0; j<2*MOVE_LEN; j++)
16929 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16930 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16931 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16932 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16933 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16934 commentList[currentMove+i] = commentList[framePtr+i];
16935 commentList[framePtr+i] = NULL;
16937 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16938 framePtr = savedFramePtr[storedGames];
16939 gameInfo.result = savedResult[storedGames];
16940 if(gameInfo.resultDetails != NULL) {
16941 free(gameInfo.resultDetails);
16943 gameInfo.resultDetails = savedDetails[storedGames];
16944 forwardMostMove = currentMove + nrMoves;
16948 PopTail (Boolean annotate)
16950 if(appData.icsActive) return FALSE; // only in local mode
16951 if(!storedGames) return FALSE; // sanity
16952 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16954 PopInner(annotate);
16955 if(currentMove < forwardMostMove) ForwardEvent(); else
16956 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16958 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16964 { // remove all shelved variations
16966 for(i=0; i<storedGames; i++) {
16967 if(savedDetails[i])
16968 free(savedDetails[i]);
16969 savedDetails[i] = NULL;
16971 for(i=framePtr; i<MAX_MOVES; i++) {
16972 if(commentList[i]) free(commentList[i]);
16973 commentList[i] = NULL;
16975 framePtr = MAX_MOVES-1;
16980 LoadVariation (int index, char *text)
16981 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16982 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16983 int level = 0, move;
16985 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16986 // first find outermost bracketing variation
16987 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16988 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16989 if(*p == '{') wait = '}'; else
16990 if(*p == '[') wait = ']'; else
16991 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16992 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16994 if(*p == wait) wait = NULLCHAR; // closing ]} found
16997 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16998 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16999 end[1] = NULLCHAR; // clip off comment beyond variation
17000 ToNrEvent(currentMove-1);
17001 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17002 // kludge: use ParsePV() to append variation to game
17003 move = currentMove;
17004 ParsePV(start, TRUE, TRUE);
17005 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17006 ClearPremoveHighlights();
17008 ToNrEvent(currentMove+1);