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;
398 [AS] Note: sometimes, the sscanf() function is used to parse the input
399 into a fixed-size buffer. Because of this, we must be prepared to
400 receive strings as long as the size of the input buffer, which is currently
401 set to 4K for Windows and 8K for the rest.
402 So, we must either allocate sufficiently large buffers here, or
403 reduce the size of the input buffer in the input reading part.
406 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
407 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
408 char thinkOutput1[MSG_SIZ*10];
410 ChessProgramState first, second, pairing;
412 /* premove variables */
415 int premoveFromX = 0;
416 int premoveFromY = 0;
417 int premovePromoChar = 0;
419 Boolean alarmSounded;
420 /* end premove variables */
422 char *ics_prefix = "$";
423 int ics_type = ICS_GENERIC;
425 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
426 int pauseExamForwardMostMove = 0;
427 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
428 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
429 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
430 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
431 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
432 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
433 int whiteFlag = FALSE, blackFlag = FALSE;
434 int userOfferedDraw = FALSE;
435 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
436 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
437 int cmailMoveType[CMAIL_MAX_GAMES];
438 long ics_clock_paused = 0;
439 ProcRef icsPR = NoProc, cmailPR = NoProc;
440 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
441 GameMode gameMode = BeginningOfGame;
442 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
443 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
444 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
445 int hiddenThinkOutputState = 0; /* [AS] */
446 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
447 int adjudicateLossPlies = 6;
448 char white_holding[64], black_holding[64];
449 TimeMark lastNodeCountTime;
450 long lastNodeCount=0;
451 int shiftKey; // [HGM] set by mouse handler
453 int have_sent_ICS_logon = 0;
455 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
456 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
457 Boolean adjustedClock;
458 long timeControl_2; /* [AS] Allow separate time controls */
459 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
460 long timeRemaining[2][MAX_MOVES];
461 int matchGame = 0, nextGame = 0, roundNr = 0;
462 Boolean waitingForGame = FALSE;
463 TimeMark programStartTime, pauseStart;
464 char ics_handle[MSG_SIZ];
465 int have_set_title = 0;
467 /* animateTraining preserves the state of appData.animate
468 * when Training mode is activated. This allows the
469 * response to be animated when appData.animate == TRUE and
470 * appData.animateDragging == TRUE.
472 Boolean animateTraining;
478 Board boards[MAX_MOVES];
479 /* [HGM] Following 7 needed for accurate legality tests: */
480 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
481 signed char initialRights[BOARD_FILES];
482 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
483 int initialRulePlies, FENrulePlies;
484 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
486 Boolean shuffleOpenings;
487 int mute; // mute all sounds
489 // [HGM] vari: next 12 to save and restore variations
490 #define MAX_VARIATIONS 10
491 int framePtr = MAX_MOVES-1; // points to free stack entry
493 int savedFirst[MAX_VARIATIONS];
494 int savedLast[MAX_VARIATIONS];
495 int savedFramePtr[MAX_VARIATIONS];
496 char *savedDetails[MAX_VARIATIONS];
497 ChessMove savedResult[MAX_VARIATIONS];
499 void PushTail P((int firstMove, int lastMove));
500 Boolean PopTail P((Boolean annotate));
501 void PushInner P((int firstMove, int lastMove));
502 void PopInner P((Boolean annotate));
503 void CleanupTail P((void));
505 ChessSquare FIDEArray[2][BOARD_FILES] = {
506 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
507 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
508 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
509 BlackKing, BlackBishop, BlackKnight, BlackRook }
512 ChessSquare twoKingsArray[2][BOARD_FILES] = {
513 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
514 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
515 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
516 BlackKing, BlackKing, BlackKnight, BlackRook }
519 ChessSquare KnightmateArray[2][BOARD_FILES] = {
520 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
521 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
522 { BlackRook, BlackMan, BlackBishop, BlackQueen,
523 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
526 ChessSquare SpartanArray[2][BOARD_FILES] = {
527 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
528 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
529 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
530 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
533 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
534 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
535 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
536 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
537 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
540 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
541 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
542 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
543 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
544 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
547 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
548 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
549 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
550 { BlackRook, BlackKnight, BlackMan, BlackFerz,
551 BlackKing, BlackMan, BlackKnight, BlackRook }
555 #if (BOARD_FILES>=10)
556 ChessSquare ShogiArray[2][BOARD_FILES] = {
557 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
558 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
559 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
560 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
563 ChessSquare XiangqiArray[2][BOARD_FILES] = {
564 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
565 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
566 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
567 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
570 ChessSquare CapablancaArray[2][BOARD_FILES] = {
571 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
572 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
573 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
574 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
577 ChessSquare GreatArray[2][BOARD_FILES] = {
578 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
579 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
580 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
581 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
584 ChessSquare JanusArray[2][BOARD_FILES] = {
585 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
586 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
587 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
588 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
591 ChessSquare GrandArray[2][BOARD_FILES] = {
592 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
593 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
594 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
595 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
599 ChessSquare GothicArray[2][BOARD_FILES] = {
600 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
601 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
602 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
603 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
606 #define GothicArray CapablancaArray
610 ChessSquare FalconArray[2][BOARD_FILES] = {
611 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
612 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
613 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
614 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
617 #define FalconArray CapablancaArray
620 #else // !(BOARD_FILES>=10)
621 #define XiangqiPosition FIDEArray
622 #define CapablancaArray FIDEArray
623 #define GothicArray FIDEArray
624 #define GreatArray FIDEArray
625 #endif // !(BOARD_FILES>=10)
627 #if (BOARD_FILES>=12)
628 ChessSquare CourierArray[2][BOARD_FILES] = {
629 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
630 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
631 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
632 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
634 #else // !(BOARD_FILES>=12)
635 #define CourierArray CapablancaArray
636 #endif // !(BOARD_FILES>=12)
639 Board initialPosition;
642 /* Convert str to a rating. Checks for special cases of "----",
644 "++++", etc. Also strips ()'s */
646 string_to_rating (char *str)
648 while(*str && !isdigit(*str)) ++str;
650 return 0; /* One of the special "no rating" cases */
658 /* Init programStats */
659 programStats.movelist[0] = 0;
660 programStats.depth = 0;
661 programStats.nr_moves = 0;
662 programStats.moves_left = 0;
663 programStats.nodes = 0;
664 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
665 programStats.score = 0;
666 programStats.got_only_move = 0;
667 programStats.got_fail = 0;
668 programStats.line_is_book = 0;
673 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
674 if (appData.firstPlaysBlack) {
675 first.twoMachinesColor = "black\n";
676 second.twoMachinesColor = "white\n";
678 first.twoMachinesColor = "white\n";
679 second.twoMachinesColor = "black\n";
682 first.other = &second;
683 second.other = &first;
686 if(appData.timeOddsMode) {
687 norm = appData.timeOdds[0];
688 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
690 first.timeOdds = appData.timeOdds[0]/norm;
691 second.timeOdds = appData.timeOdds[1]/norm;
694 if(programVersion) free(programVersion);
695 if (appData.noChessProgram) {
696 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
697 sprintf(programVersion, "%s", PACKAGE_STRING);
699 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
700 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
701 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
706 UnloadEngine (ChessProgramState *cps)
708 /* Kill off first chess program */
709 if (cps->isr != NULL)
710 RemoveInputSource(cps->isr);
713 if (cps->pr != NoProc) {
715 DoSleep( appData.delayBeforeQuit );
716 SendToProgram("quit\n", cps);
717 DoSleep( appData.delayAfterQuit );
718 DestroyChildProcess(cps->pr, cps->useSigterm);
721 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
725 ClearOptions (ChessProgramState *cps)
728 cps->nrOptions = cps->comboCnt = 0;
729 for(i=0; i<MAX_OPTIONS; i++) {
730 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
731 cps->option[i].textValue = 0;
735 char *engineNames[] = {
741 InitEngine (ChessProgramState *cps, int n)
742 { // [HGM] all engine initialiation put in a function that does one engine
746 cps->which = engineNames[n];
747 cps->maybeThinking = FALSE;
751 cps->sendDrawOffers = 1;
753 cps->program = appData.chessProgram[n];
754 cps->host = appData.host[n];
755 cps->dir = appData.directory[n];
756 cps->initString = appData.engInitString[n];
757 cps->computerString = appData.computerString[n];
758 cps->useSigint = TRUE;
759 cps->useSigterm = TRUE;
760 cps->reuse = appData.reuse[n];
761 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
762 cps->useSetboard = FALSE;
764 cps->usePing = FALSE;
767 cps->usePlayother = FALSE;
768 cps->useColors = TRUE;
769 cps->useUsermove = FALSE;
770 cps->sendICS = FALSE;
771 cps->sendName = appData.icsActive;
772 cps->sdKludge = FALSE;
773 cps->stKludge = FALSE;
774 TidyProgramName(cps->program, cps->host, cps->tidy);
776 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
777 cps->analysisSupport = 2; /* detect */
778 cps->analyzing = FALSE;
779 cps->initDone = FALSE;
781 /* New features added by Tord: */
782 cps->useFEN960 = FALSE;
783 cps->useOOCastle = TRUE;
784 /* End of new features added by Tord. */
785 cps->fenOverride = appData.fenOverride[n];
787 /* [HGM] time odds: set factor for each machine */
788 cps->timeOdds = appData.timeOdds[n];
790 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
791 cps->accumulateTC = appData.accumulateTC[n];
792 cps->maxNrOfSessions = 1;
797 cps->supportsNPS = UNKNOWN;
798 cps->memSize = FALSE;
799 cps->maxCores = FALSE;
800 cps->egtFormats[0] = NULLCHAR;
803 cps->optionSettings = appData.engOptions[n];
805 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
806 cps->isUCI = appData.isUCI[n]; /* [AS] */
807 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
809 if (appData.protocolVersion[n] > PROTOVER
810 || appData.protocolVersion[n] < 1)
815 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
816 appData.protocolVersion[n]);
817 if( (len >= MSG_SIZ) && appData.debugMode )
818 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
820 DisplayFatalError(buf, 0, 2);
824 cps->protocolVersion = appData.protocolVersion[n];
827 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
828 ParseFeatures(appData.featureDefaults, cps);
831 ChessProgramState *savCps;
837 if(WaitForEngine(savCps, LoadEngine)) return;
838 CommonEngineInit(); // recalculate time odds
839 if(gameInfo.variant != StringToVariant(appData.variant)) {
840 // we changed variant when loading the engine; this forces us to reset
841 Reset(TRUE, savCps != &first);
842 EditGameEvent(); // for consistency with other path, as Reset changes mode
844 InitChessProgram(savCps, FALSE);
845 SendToProgram("force\n", savCps);
846 DisplayMessage("", "");
847 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
848 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
854 ReplaceEngine (ChessProgramState *cps, int n)
858 appData.noChessProgram = FALSE;
859 appData.clockMode = TRUE;
862 if(n) return; // only startup first engine immediately; second can wait
863 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
867 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
868 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
870 static char resetOptions[] =
871 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
872 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
873 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
876 FloatToFront(char **list, char *engineLine)
878 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
880 if(appData.recentEngines <= 0) return;
881 TidyProgramName(engineLine, "localhost", tidy+1);
882 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
883 strncpy(buf+1, *list, MSG_SIZ-50);
884 if(p = strstr(buf, tidy)) { // tidy name appears in list
885 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
886 while(*p++ = *++q); // squeeze out
888 strcat(tidy, buf+1); // put list behind tidy name
889 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
890 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
891 ASSIGN(*list, tidy+1);
895 Load (ChessProgramState *cps, int i)
897 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
898 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
899 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
900 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
901 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
902 appData.firstProtocolVersion = PROTOVER;
903 ParseArgsFromString(buf);
905 ReplaceEngine(cps, i);
906 FloatToFront(&appData.recentEngineList, engineLine);
910 while(q = strchr(p, SLASH)) p = q+1;
911 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
912 if(engineDir[0] != NULLCHAR)
913 appData.directory[i] = engineDir;
914 else if(p != engineName) { // derive directory from engine path, when not given
916 appData.directory[i] = strdup(engineName);
918 } else appData.directory[i] = ".";
920 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
921 snprintf(command, MSG_SIZ, "%s %s", p, params);
924 appData.chessProgram[i] = strdup(p);
925 appData.isUCI[i] = isUCI;
926 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
927 appData.hasOwnBookUCI[i] = hasBook;
928 if(!nickName[0]) useNick = FALSE;
929 if(useNick) ASSIGN(appData.pgnName[i], nickName);
933 q = firstChessProgramNames;
934 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
935 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
936 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
937 quote, p, quote, appData.directory[i],
938 useNick ? " -fn \"" : "",
939 useNick ? nickName : "",
941 v1 ? " -firstProtocolVersion 1" : "",
942 hasBook ? "" : " -fNoOwnBookUCI",
943 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
944 storeVariant ? " -variant " : "",
945 storeVariant ? VariantName(gameInfo.variant) : "");
946 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
947 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
949 FloatToFront(&appData.recentEngineList, buf);
951 ReplaceEngine(cps, i);
957 int matched, min, sec;
959 * Parse timeControl resource
961 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
962 appData.movesPerSession)) {
964 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
965 DisplayFatalError(buf, 0, 2);
969 * Parse searchTime resource
971 if (*appData.searchTime != NULLCHAR) {
972 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
974 searchTime = min * 60;
975 } else if (matched == 2) {
976 searchTime = min * 60 + sec;
979 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
980 DisplayFatalError(buf, 0, 2);
989 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
990 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
992 GetTimeMark(&programStartTime);
993 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
994 appData.seedBase = random() + (random()<<15);
995 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
998 programStats.ok_to_send = 1;
999 programStats.seen_stat = 0;
1002 * Initialize game list
1008 * Internet chess server status
1010 if (appData.icsActive) {
1011 appData.matchMode = FALSE;
1012 appData.matchGames = 0;
1014 appData.noChessProgram = !appData.zippyPlay;
1016 appData.zippyPlay = FALSE;
1017 appData.zippyTalk = FALSE;
1018 appData.noChessProgram = TRUE;
1020 if (*appData.icsHelper != NULLCHAR) {
1021 appData.useTelnet = TRUE;
1022 appData.telnetProgram = appData.icsHelper;
1025 appData.zippyTalk = appData.zippyPlay = FALSE;
1028 /* [AS] Initialize pv info list [HGM] and game state */
1032 for( i=0; i<=framePtr; i++ ) {
1033 pvInfoList[i].depth = -1;
1034 boards[i][EP_STATUS] = EP_NONE;
1035 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1041 /* [AS] Adjudication threshold */
1042 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1044 InitEngine(&first, 0);
1045 InitEngine(&second, 1);
1048 pairing.which = "pairing"; // pairing engine
1049 pairing.pr = NoProc;
1051 pairing.program = appData.pairingEngine;
1052 pairing.host = "localhost";
1055 if (appData.icsActive) {
1056 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1057 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1058 appData.clockMode = FALSE;
1059 first.sendTime = second.sendTime = 0;
1063 /* Override some settings from environment variables, for backward
1064 compatibility. Unfortunately it's not feasible to have the env
1065 vars just set defaults, at least in xboard. Ugh.
1067 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1072 if (!appData.icsActive) {
1076 /* Check for variants that are supported only in ICS mode,
1077 or not at all. Some that are accepted here nevertheless
1078 have bugs; see comments below.
1080 VariantClass variant = StringToVariant(appData.variant);
1082 case VariantBughouse: /* need four players and two boards */
1083 case VariantKriegspiel: /* need to hide pieces and move details */
1084 /* case VariantFischeRandom: (Fabien: moved below) */
1085 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1086 if( (len >= MSG_SIZ) && appData.debugMode )
1087 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1089 DisplayFatalError(buf, 0, 2);
1092 case VariantUnknown:
1093 case VariantLoadable:
1103 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1104 if( (len >= MSG_SIZ) && appData.debugMode )
1105 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1107 DisplayFatalError(buf, 0, 2);
1110 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1111 case VariantFairy: /* [HGM] TestLegality definitely off! */
1112 case VariantGothic: /* [HGM] should work */
1113 case VariantCapablanca: /* [HGM] should work */
1114 case VariantCourier: /* [HGM] initial forced moves not implemented */
1115 case VariantShogi: /* [HGM] could still mate with pawn drop */
1116 case VariantKnightmate: /* [HGM] should work */
1117 case VariantCylinder: /* [HGM] untested */
1118 case VariantFalcon: /* [HGM] untested */
1119 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1120 offboard interposition not understood */
1121 case VariantNormal: /* definitely works! */
1122 case VariantWildCastle: /* pieces not automatically shuffled */
1123 case VariantNoCastle: /* pieces not automatically shuffled */
1124 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1125 case VariantLosers: /* should work except for win condition,
1126 and doesn't know captures are mandatory */
1127 case VariantSuicide: /* should work except for win condition,
1128 and doesn't know captures are mandatory */
1129 case VariantGiveaway: /* should work except for win condition,
1130 and doesn't know captures are mandatory */
1131 case VariantTwoKings: /* should work */
1132 case VariantAtomic: /* should work except for win condition */
1133 case Variant3Check: /* should work except for win condition */
1134 case VariantShatranj: /* should work except for all win conditions */
1135 case VariantMakruk: /* should work except for draw countdown */
1136 case VariantBerolina: /* might work if TestLegality is off */
1137 case VariantCapaRandom: /* should work */
1138 case VariantJanus: /* should work */
1139 case VariantSuper: /* experimental */
1140 case VariantGreat: /* experimental, requires legality testing to be off */
1141 case VariantSChess: /* S-Chess, should work */
1142 case VariantGrand: /* should work */
1143 case VariantSpartan: /* should work */
1151 NextIntegerFromString (char ** str, long * value)
1156 while( *s == ' ' || *s == '\t' ) {
1162 if( *s >= '0' && *s <= '9' ) {
1163 while( *s >= '0' && *s <= '9' ) {
1164 *value = *value * 10 + (*s - '0');
1177 NextTimeControlFromString (char ** str, long * value)
1180 int result = NextIntegerFromString( str, &temp );
1183 *value = temp * 60; /* Minutes */
1184 if( **str == ':' ) {
1186 result = NextIntegerFromString( str, &temp );
1187 *value += temp; /* Seconds */
1195 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1196 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1197 int result = -1, type = 0; long temp, temp2;
1199 if(**str != ':') return -1; // old params remain in force!
1201 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1202 if( NextIntegerFromString( str, &temp ) ) return -1;
1203 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1206 /* time only: incremental or sudden-death time control */
1207 if(**str == '+') { /* increment follows; read it */
1209 if(**str == '!') type = *(*str)++; // Bronstein TC
1210 if(result = NextIntegerFromString( str, &temp2)) return -1;
1211 *inc = temp2 * 1000;
1212 if(**str == '.') { // read fraction of increment
1213 char *start = ++(*str);
1214 if(result = NextIntegerFromString( str, &temp2)) return -1;
1216 while(start++ < *str) temp2 /= 10;
1220 *moves = 0; *tc = temp * 1000; *incType = type;
1224 (*str)++; /* classical time control */
1225 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1237 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1238 { /* [HGM] get time to add from the multi-session time-control string */
1239 int incType, moves=1; /* kludge to force reading of first session */
1240 long time, increment;
1243 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1244 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1246 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1247 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1248 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1249 if(movenr == -1) return time; /* last move before new session */
1250 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1251 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1252 if(!moves) return increment; /* current session is incremental */
1253 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1254 } while(movenr >= -1); /* try again for next session */
1256 return 0; // no new time quota on this move
1260 ParseTimeControl (char *tc, float ti, int mps)
1264 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1267 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1268 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1269 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1273 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1275 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1278 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1280 snprintf(buf, MSG_SIZ, ":%s", mytc);
1282 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1284 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1289 /* Parse second time control */
1292 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1300 timeControl_2 = tc2 * 1000;
1310 timeControl = tc1 * 1000;
1313 timeIncrement = ti * 1000; /* convert to ms */
1314 movesPerSession = 0;
1317 movesPerSession = mps;
1325 if (appData.debugMode) {
1326 fprintf(debugFP, "%s\n", programVersion);
1329 set_cont_sequence(appData.wrapContSeq);
1330 if (appData.matchGames > 0) {
1331 appData.matchMode = TRUE;
1332 } else if (appData.matchMode) {
1333 appData.matchGames = 1;
1335 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1336 appData.matchGames = appData.sameColorGames;
1337 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1338 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1339 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1342 if (appData.noChessProgram || first.protocolVersion == 1) {
1345 /* kludge: allow timeout for initial "feature" commands */
1347 DisplayMessage("", _("Starting chess program"));
1348 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1353 CalculateIndex (int index, int gameNr)
1354 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1356 if(index > 0) return index; // fixed nmber
1357 if(index == 0) return 1;
1358 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1359 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1364 LoadGameOrPosition (int gameNr)
1365 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1366 if (*appData.loadGameFile != NULLCHAR) {
1367 if (!LoadGameFromFile(appData.loadGameFile,
1368 CalculateIndex(appData.loadGameIndex, gameNr),
1369 appData.loadGameFile, FALSE)) {
1370 DisplayFatalError(_("Bad game file"), 0, 1);
1373 } else if (*appData.loadPositionFile != NULLCHAR) {
1374 if (!LoadPositionFromFile(appData.loadPositionFile,
1375 CalculateIndex(appData.loadPositionIndex, gameNr),
1376 appData.loadPositionFile)) {
1377 DisplayFatalError(_("Bad position file"), 0, 1);
1385 ReserveGame (int gameNr, char resChar)
1387 FILE *tf = fopen(appData.tourneyFile, "r+");
1388 char *p, *q, c, buf[MSG_SIZ];
1389 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1390 safeStrCpy(buf, lastMsg, MSG_SIZ);
1391 DisplayMessage(_("Pick new game"), "");
1392 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1393 ParseArgsFromFile(tf);
1394 p = q = appData.results;
1395 if(appData.debugMode) {
1396 char *r = appData.participants;
1397 fprintf(debugFP, "results = '%s'\n", p);
1398 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1399 fprintf(debugFP, "\n");
1401 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1403 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1404 safeStrCpy(q, p, strlen(p) + 2);
1405 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1406 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1407 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1408 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1411 fseek(tf, -(strlen(p)+4), SEEK_END);
1413 if(c != '"') // depending on DOS or Unix line endings we can be one off
1414 fseek(tf, -(strlen(p)+2), SEEK_END);
1415 else fseek(tf, -(strlen(p)+3), SEEK_END);
1416 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1417 DisplayMessage(buf, "");
1418 free(p); appData.results = q;
1419 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1420 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1421 int round = appData.defaultMatchGames * appData.tourneyType;
1422 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1423 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1424 UnloadEngine(&first); // next game belongs to other pairing;
1425 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1427 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d, procs=(%x,%x)\n", nextGame, gameNr, first.pr, second.pr);
1431 MatchEvent (int mode)
1432 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1434 if(matchMode) { // already in match mode: switch it off
1436 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1439 // if(gameMode != BeginningOfGame) {
1440 // DisplayError(_("You can only start a match from the initial position."), 0);
1444 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1445 /* Set up machine vs. machine match */
1447 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1448 if(appData.tourneyFile[0]) {
1450 if(nextGame > appData.matchGames) {
1452 if(strchr(appData.results, '*') == NULL) {
1454 appData.tourneyCycles++;
1455 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1457 NextTourneyGame(-1, &dummy);
1459 if(nextGame <= appData.matchGames) {
1460 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1462 ScheduleDelayedEvent(NextMatchGame, 10000);
1467 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1468 DisplayError(buf, 0);
1469 appData.tourneyFile[0] = 0;
1473 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1474 DisplayFatalError(_("Can't have a match with no chess programs"),
1479 matchGame = roundNr = 1;
1480 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1485 InitBackEnd3 P((void))
1487 GameMode initialMode;
1491 InitChessProgram(&first, startedFromSetupPosition);
1493 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1494 free(programVersion);
1495 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1496 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1497 FloatToFront(&appData.recentEngineList, appData.firstChessProgram);
1500 if (appData.icsActive) {
1502 /* [DM] Make a console window if needed [HGM] merged ifs */
1508 if (*appData.icsCommPort != NULLCHAR)
1509 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1510 appData.icsCommPort);
1512 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1513 appData.icsHost, appData.icsPort);
1515 if( (len >= MSG_SIZ) && appData.debugMode )
1516 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1518 DisplayFatalError(buf, err, 1);
1523 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1525 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1526 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1527 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1528 } else if (appData.noChessProgram) {
1534 if (*appData.cmailGameName != NULLCHAR) {
1536 OpenLoopback(&cmailPR);
1538 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1542 DisplayMessage("", "");
1543 if (StrCaseCmp(appData.initialMode, "") == 0) {
1544 initialMode = BeginningOfGame;
1545 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1546 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1547 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1548 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1551 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1552 initialMode = TwoMachinesPlay;
1553 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1554 initialMode = AnalyzeFile;
1555 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1556 initialMode = AnalyzeMode;
1557 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1558 initialMode = MachinePlaysWhite;
1559 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1560 initialMode = MachinePlaysBlack;
1561 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1562 initialMode = EditGame;
1563 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1564 initialMode = EditPosition;
1565 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1566 initialMode = Training;
1568 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1569 if( (len >= MSG_SIZ) && appData.debugMode )
1570 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1572 DisplayFatalError(buf, 0, 2);
1576 if (appData.matchMode) {
1577 if(appData.tourneyFile[0]) { // start tourney from command line
1579 if(f = fopen(appData.tourneyFile, "r")) {
1580 ParseArgsFromFile(f); // make sure tourney parmeters re known
1582 appData.clockMode = TRUE;
1584 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1587 } else if (*appData.cmailGameName != NULLCHAR) {
1588 /* Set up cmail mode */
1589 ReloadCmailMsgEvent(TRUE);
1591 /* Set up other modes */
1592 if (initialMode == AnalyzeFile) {
1593 if (*appData.loadGameFile == NULLCHAR) {
1594 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1598 if (*appData.loadGameFile != NULLCHAR) {
1599 (void) LoadGameFromFile(appData.loadGameFile,
1600 appData.loadGameIndex,
1601 appData.loadGameFile, TRUE);
1602 } else if (*appData.loadPositionFile != NULLCHAR) {
1603 (void) LoadPositionFromFile(appData.loadPositionFile,
1604 appData.loadPositionIndex,
1605 appData.loadPositionFile);
1606 /* [HGM] try to make self-starting even after FEN load */
1607 /* to allow automatic setup of fairy variants with wtm */
1608 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1609 gameMode = BeginningOfGame;
1610 setboardSpoiledMachineBlack = 1;
1612 /* [HGM] loadPos: make that every new game uses the setup */
1613 /* from file as long as we do not switch variant */
1614 if(!blackPlaysFirst) {
1615 startedFromPositionFile = TRUE;
1616 CopyBoard(filePosition, boards[0]);
1619 if (initialMode == AnalyzeMode) {
1620 if (appData.noChessProgram) {
1621 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1624 if (appData.icsActive) {
1625 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1629 } else if (initialMode == AnalyzeFile) {
1630 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1631 ShowThinkingEvent();
1633 AnalysisPeriodicEvent(1);
1634 } else if (initialMode == MachinePlaysWhite) {
1635 if (appData.noChessProgram) {
1636 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1640 if (appData.icsActive) {
1641 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1645 MachineWhiteEvent();
1646 } else if (initialMode == MachinePlaysBlack) {
1647 if (appData.noChessProgram) {
1648 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1652 if (appData.icsActive) {
1653 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1657 MachineBlackEvent();
1658 } else if (initialMode == TwoMachinesPlay) {
1659 if (appData.noChessProgram) {
1660 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1664 if (appData.icsActive) {
1665 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1670 } else if (initialMode == EditGame) {
1672 } else if (initialMode == EditPosition) {
1673 EditPositionEvent();
1674 } else if (initialMode == Training) {
1675 if (*appData.loadGameFile == NULLCHAR) {
1676 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1685 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1687 DisplayBook(current+1);
1689 MoveHistorySet( movelist, first, last, current, pvInfoList );
1691 EvalGraphSet( first, last, current, pvInfoList );
1693 MakeEngineOutputTitle();
1697 * Establish will establish a contact to a remote host.port.
1698 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1699 * used to talk to the host.
1700 * Returns 0 if okay, error code if not.
1707 if (*appData.icsCommPort != NULLCHAR) {
1708 /* Talk to the host through a serial comm port */
1709 return OpenCommPort(appData.icsCommPort, &icsPR);
1711 } else if (*appData.gateway != NULLCHAR) {
1712 if (*appData.remoteShell == NULLCHAR) {
1713 /* Use the rcmd protocol to run telnet program on a gateway host */
1714 snprintf(buf, sizeof(buf), "%s %s %s",
1715 appData.telnetProgram, appData.icsHost, appData.icsPort);
1716 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1719 /* Use the rsh program to run telnet program on a gateway host */
1720 if (*appData.remoteUser == NULLCHAR) {
1721 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1722 appData.gateway, appData.telnetProgram,
1723 appData.icsHost, appData.icsPort);
1725 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1726 appData.remoteShell, appData.gateway,
1727 appData.remoteUser, appData.telnetProgram,
1728 appData.icsHost, appData.icsPort);
1730 return StartChildProcess(buf, "", &icsPR);
1733 } else if (appData.useTelnet) {
1734 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1737 /* TCP socket interface differs somewhat between
1738 Unix and NT; handle details in the front end.
1740 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1745 EscapeExpand (char *p, char *q)
1746 { // [HGM] initstring: routine to shape up string arguments
1747 while(*p++ = *q++) if(p[-1] == '\\')
1749 case 'n': p[-1] = '\n'; break;
1750 case 'r': p[-1] = '\r'; break;
1751 case 't': p[-1] = '\t'; break;
1752 case '\\': p[-1] = '\\'; break;
1753 case 0: *p = 0; return;
1754 default: p[-1] = q[-1]; break;
1759 show_bytes (FILE *fp, char *buf, int count)
1762 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1763 fprintf(fp, "\\%03o", *buf & 0xff);
1772 /* Returns an errno value */
1774 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1776 char buf[8192], *p, *q, *buflim;
1777 int left, newcount, outcount;
1779 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1780 *appData.gateway != NULLCHAR) {
1781 if (appData.debugMode) {
1782 fprintf(debugFP, ">ICS: ");
1783 show_bytes(debugFP, message, count);
1784 fprintf(debugFP, "\n");
1786 return OutputToProcess(pr, message, count, outError);
1789 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1796 if (appData.debugMode) {
1797 fprintf(debugFP, ">ICS: ");
1798 show_bytes(debugFP, buf, newcount);
1799 fprintf(debugFP, "\n");
1801 outcount = OutputToProcess(pr, buf, newcount, outError);
1802 if (outcount < newcount) return -1; /* to be sure */
1809 } else if (((unsigned char) *p) == TN_IAC) {
1810 *q++ = (char) TN_IAC;
1817 if (appData.debugMode) {
1818 fprintf(debugFP, ">ICS: ");
1819 show_bytes(debugFP, buf, newcount);
1820 fprintf(debugFP, "\n");
1822 outcount = OutputToProcess(pr, buf, newcount, outError);
1823 if (outcount < newcount) return -1; /* to be sure */
1828 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1830 int outError, outCount;
1831 static int gotEof = 0;
1833 /* Pass data read from player on to ICS */
1836 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1837 if (outCount < count) {
1838 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1840 } else if (count < 0) {
1841 RemoveInputSource(isr);
1842 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1843 } else if (gotEof++ > 0) {
1844 RemoveInputSource(isr);
1845 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1851 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1852 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1853 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1854 SendToICS("date\n");
1855 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1858 /* added routine for printf style output to ics */
1860 ics_printf (char *format, ...)
1862 char buffer[MSG_SIZ];
1865 va_start(args, format);
1866 vsnprintf(buffer, sizeof(buffer), format, args);
1867 buffer[sizeof(buffer)-1] = '\0';
1875 int count, outCount, outError;
1877 if (icsPR == NoProc) return;
1880 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1881 if (outCount < count) {
1882 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1886 /* This is used for sending logon scripts to the ICS. Sending
1887 without a delay causes problems when using timestamp on ICC
1888 (at least on my machine). */
1890 SendToICSDelayed (char *s, long msdelay)
1892 int count, outCount, outError;
1894 if (icsPR == NoProc) return;
1897 if (appData.debugMode) {
1898 fprintf(debugFP, ">ICS: ");
1899 show_bytes(debugFP, s, count);
1900 fprintf(debugFP, "\n");
1902 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1904 if (outCount < count) {
1905 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1910 /* Remove all highlighting escape sequences in s
1911 Also deletes any suffix starting with '('
1914 StripHighlightAndTitle (char *s)
1916 static char retbuf[MSG_SIZ];
1919 while (*s != NULLCHAR) {
1920 while (*s == '\033') {
1921 while (*s != NULLCHAR && !isalpha(*s)) s++;
1922 if (*s != NULLCHAR) s++;
1924 while (*s != NULLCHAR && *s != '\033') {
1925 if (*s == '(' || *s == '[') {
1936 /* Remove all highlighting escape sequences in s */
1938 StripHighlight (char *s)
1940 static char retbuf[MSG_SIZ];
1943 while (*s != NULLCHAR) {
1944 while (*s == '\033') {
1945 while (*s != NULLCHAR && !isalpha(*s)) s++;
1946 if (*s != NULLCHAR) s++;
1948 while (*s != NULLCHAR && *s != '\033') {
1956 char *variantNames[] = VARIANT_NAMES;
1958 VariantName (VariantClass v)
1960 return variantNames[v];
1964 /* Identify a variant from the strings the chess servers use or the
1965 PGN Variant tag names we use. */
1967 StringToVariant (char *e)
1971 VariantClass v = VariantNormal;
1972 int i, found = FALSE;
1978 /* [HGM] skip over optional board-size prefixes */
1979 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1980 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1981 while( *e++ != '_');
1984 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1988 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1989 if (StrCaseStr(e, variantNames[i])) {
1990 v = (VariantClass) i;
1997 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1998 || StrCaseStr(e, "wild/fr")
1999 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2000 v = VariantFischeRandom;
2001 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2002 (i = 1, p = StrCaseStr(e, "w"))) {
2004 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2011 case 0: /* FICS only, actually */
2013 /* Castling legal even if K starts on d-file */
2014 v = VariantWildCastle;
2019 /* Castling illegal even if K & R happen to start in
2020 normal positions. */
2021 v = VariantNoCastle;
2034 /* Castling legal iff K & R start in normal positions */
2040 /* Special wilds for position setup; unclear what to do here */
2041 v = VariantLoadable;
2044 /* Bizarre ICC game */
2045 v = VariantTwoKings;
2048 v = VariantKriegspiel;
2054 v = VariantFischeRandom;
2057 v = VariantCrazyhouse;
2060 v = VariantBughouse;
2066 /* Not quite the same as FICS suicide! */
2067 v = VariantGiveaway;
2073 v = VariantShatranj;
2076 /* Temporary names for future ICC types. The name *will* change in
2077 the next xboard/WinBoard release after ICC defines it. */
2115 v = VariantCapablanca;
2118 v = VariantKnightmate;
2124 v = VariantCylinder;
2130 v = VariantCapaRandom;
2133 v = VariantBerolina;
2145 /* Found "wild" or "w" in the string but no number;
2146 must assume it's normal chess. */
2150 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2151 if( (len >= MSG_SIZ) && appData.debugMode )
2152 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2154 DisplayError(buf, 0);
2160 if (appData.debugMode) {
2161 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2162 e, wnum, VariantName(v));
2167 static int leftover_start = 0, leftover_len = 0;
2168 char star_match[STAR_MATCH_N][MSG_SIZ];
2170 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2171 advance *index beyond it, and set leftover_start to the new value of
2172 *index; else return FALSE. If pattern contains the character '*', it
2173 matches any sequence of characters not containing '\r', '\n', or the
2174 character following the '*' (if any), and the matched sequence(s) are
2175 copied into star_match.
2178 looking_at ( char *buf, int *index, char *pattern)
2180 char *bufp = &buf[*index], *patternp = pattern;
2182 char *matchp = star_match[0];
2185 if (*patternp == NULLCHAR) {
2186 *index = leftover_start = bufp - buf;
2190 if (*bufp == NULLCHAR) return FALSE;
2191 if (*patternp == '*') {
2192 if (*bufp == *(patternp + 1)) {
2194 matchp = star_match[++star_count];
2198 } else if (*bufp == '\n' || *bufp == '\r') {
2200 if (*patternp == NULLCHAR)
2205 *matchp++ = *bufp++;
2209 if (*patternp != *bufp) return FALSE;
2216 SendToPlayer (char *data, int length)
2218 int error, outCount;
2219 outCount = OutputToProcess(NoProc, data, length, &error);
2220 if (outCount < length) {
2221 DisplayFatalError(_("Error writing to display"), error, 1);
2226 PackHolding (char packed[], char *holding)
2236 switch (runlength) {
2247 sprintf(q, "%d", runlength);
2259 /* Telnet protocol requests from the front end */
2261 TelnetRequest (unsigned char ddww, unsigned char option)
2263 unsigned char msg[3];
2264 int outCount, outError;
2266 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2268 if (appData.debugMode) {
2269 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2285 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2294 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2297 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2302 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2304 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2311 if (!appData.icsActive) return;
2312 TelnetRequest(TN_DO, TN_ECHO);
2318 if (!appData.icsActive) return;
2319 TelnetRequest(TN_DONT, TN_ECHO);
2323 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2325 /* put the holdings sent to us by the server on the board holdings area */
2326 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2330 if(gameInfo.holdingsWidth < 2) return;
2331 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2332 return; // prevent overwriting by pre-board holdings
2334 if( (int)lowestPiece >= BlackPawn ) {
2337 holdingsStartRow = BOARD_HEIGHT-1;
2340 holdingsColumn = BOARD_WIDTH-1;
2341 countsColumn = BOARD_WIDTH-2;
2342 holdingsStartRow = 0;
2346 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2347 board[i][holdingsColumn] = EmptySquare;
2348 board[i][countsColumn] = (ChessSquare) 0;
2350 while( (p=*holdings++) != NULLCHAR ) {
2351 piece = CharToPiece( ToUpper(p) );
2352 if(piece == EmptySquare) continue;
2353 /*j = (int) piece - (int) WhitePawn;*/
2354 j = PieceToNumber(piece);
2355 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2356 if(j < 0) continue; /* should not happen */
2357 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2358 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2359 board[holdingsStartRow+j*direction][countsColumn]++;
2365 VariantSwitch (Board board, VariantClass newVariant)
2367 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2368 static Board oldBoard;
2370 startedFromPositionFile = FALSE;
2371 if(gameInfo.variant == newVariant) return;
2373 /* [HGM] This routine is called each time an assignment is made to
2374 * gameInfo.variant during a game, to make sure the board sizes
2375 * are set to match the new variant. If that means adding or deleting
2376 * holdings, we shift the playing board accordingly
2377 * This kludge is needed because in ICS observe mode, we get boards
2378 * of an ongoing game without knowing the variant, and learn about the
2379 * latter only later. This can be because of the move list we requested,
2380 * in which case the game history is refilled from the beginning anyway,
2381 * but also when receiving holdings of a crazyhouse game. In the latter
2382 * case we want to add those holdings to the already received position.
2386 if (appData.debugMode) {
2387 fprintf(debugFP, "Switch board from %s to %s\n",
2388 VariantName(gameInfo.variant), VariantName(newVariant));
2389 setbuf(debugFP, NULL);
2391 shuffleOpenings = 0; /* [HGM] shuffle */
2392 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2396 newWidth = 9; newHeight = 9;
2397 gameInfo.holdingsSize = 7;
2398 case VariantBughouse:
2399 case VariantCrazyhouse:
2400 newHoldingsWidth = 2; break;
2404 newHoldingsWidth = 2;
2405 gameInfo.holdingsSize = 8;
2408 case VariantCapablanca:
2409 case VariantCapaRandom:
2412 newHoldingsWidth = gameInfo.holdingsSize = 0;
2415 if(newWidth != gameInfo.boardWidth ||
2416 newHeight != gameInfo.boardHeight ||
2417 newHoldingsWidth != gameInfo.holdingsWidth ) {
2419 /* shift position to new playing area, if needed */
2420 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2421 for(i=0; i<BOARD_HEIGHT; i++)
2422 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2423 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2425 for(i=0; i<newHeight; i++) {
2426 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2427 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2429 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2430 for(i=0; i<BOARD_HEIGHT; i++)
2431 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2432 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2435 gameInfo.boardWidth = newWidth;
2436 gameInfo.boardHeight = newHeight;
2437 gameInfo.holdingsWidth = newHoldingsWidth;
2438 gameInfo.variant = newVariant;
2439 InitDrawingSizes(-2, 0);
2440 } else gameInfo.variant = newVariant;
2441 CopyBoard(oldBoard, board); // remember correctly formatted board
2442 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2443 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2446 static int loggedOn = FALSE;
2448 /*-- Game start info cache: --*/
2450 char gs_kind[MSG_SIZ];
2451 static char player1Name[128] = "";
2452 static char player2Name[128] = "";
2453 static char cont_seq[] = "\n\\ ";
2454 static int player1Rating = -1;
2455 static int player2Rating = -1;
2456 /*----------------------------*/
2458 ColorClass curColor = ColorNormal;
2459 int suppressKibitz = 0;
2462 Boolean soughtPending = FALSE;
2463 Boolean seekGraphUp;
2464 #define MAX_SEEK_ADS 200
2466 char *seekAdList[MAX_SEEK_ADS];
2467 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2468 float tcList[MAX_SEEK_ADS];
2469 char colorList[MAX_SEEK_ADS];
2470 int nrOfSeekAds = 0;
2471 int minRating = 1010, maxRating = 2800;
2472 int hMargin = 10, vMargin = 20, h, w;
2473 extern int squareSize, lineGap;
2478 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2479 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2480 if(r < minRating+100 && r >=0 ) r = minRating+100;
2481 if(r > maxRating) r = maxRating;
2482 if(tc < 1.) tc = 1.;
2483 if(tc > 95.) tc = 95.;
2484 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2485 y = ((double)r - minRating)/(maxRating - minRating)
2486 * (h-vMargin-squareSize/8-1) + vMargin;
2487 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2488 if(strstr(seekAdList[i], " u ")) color = 1;
2489 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2490 !strstr(seekAdList[i], "bullet") &&
2491 !strstr(seekAdList[i], "blitz") &&
2492 !strstr(seekAdList[i], "standard") ) color = 2;
2493 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2494 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2498 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2500 char buf[MSG_SIZ], *ext = "";
2501 VariantClass v = StringToVariant(type);
2502 if(strstr(type, "wild")) {
2503 ext = type + 4; // append wild number
2504 if(v == VariantFischeRandom) type = "chess960"; else
2505 if(v == VariantLoadable) type = "setup"; else
2506 type = VariantName(v);
2508 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2509 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2510 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2511 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2512 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2513 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2514 seekNrList[nrOfSeekAds] = nr;
2515 zList[nrOfSeekAds] = 0;
2516 seekAdList[nrOfSeekAds++] = StrSave(buf);
2517 if(plot) PlotSeekAd(nrOfSeekAds-1);
2522 EraseSeekDot (int i)
2524 int x = xList[i], y = yList[i], d=squareSize/4, k;
2525 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2526 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2527 // now replot every dot that overlapped
2528 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2529 int xx = xList[k], yy = yList[k];
2530 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2531 DrawSeekDot(xx, yy, colorList[k]);
2536 RemoveSeekAd (int nr)
2539 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2541 if(seekAdList[i]) free(seekAdList[i]);
2542 seekAdList[i] = seekAdList[--nrOfSeekAds];
2543 seekNrList[i] = seekNrList[nrOfSeekAds];
2544 ratingList[i] = ratingList[nrOfSeekAds];
2545 colorList[i] = colorList[nrOfSeekAds];
2546 tcList[i] = tcList[nrOfSeekAds];
2547 xList[i] = xList[nrOfSeekAds];
2548 yList[i] = yList[nrOfSeekAds];
2549 zList[i] = zList[nrOfSeekAds];
2550 seekAdList[nrOfSeekAds] = NULL;
2556 MatchSoughtLine (char *line)
2558 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2559 int nr, base, inc, u=0; char dummy;
2561 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2562 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2564 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2565 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2566 // match: compact and save the line
2567 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2577 if(!seekGraphUp) return FALSE;
2578 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2579 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2581 DrawSeekBackground(0, 0, w, h);
2582 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2583 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2584 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2585 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2587 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2590 snprintf(buf, MSG_SIZ, "%d", i);
2591 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2594 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2595 for(i=1; i<100; i+=(i<10?1:5)) {
2596 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2597 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2598 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2600 snprintf(buf, MSG_SIZ, "%d", i);
2601 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2604 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2609 SeekGraphClick (ClickType click, int x, int y, int moving)
2611 static int lastDown = 0, displayed = 0, lastSecond;
2612 if(y < 0) return FALSE;
2613 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2614 if(click == Release || moving) return FALSE;
2616 soughtPending = TRUE;
2617 SendToICS(ics_prefix);
2618 SendToICS("sought\n"); // should this be "sought all"?
2619 } else { // issue challenge based on clicked ad
2620 int dist = 10000; int i, closest = 0, second = 0;
2621 for(i=0; i<nrOfSeekAds; i++) {
2622 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2623 if(d < dist) { dist = d; closest = i; }
2624 second += (d - zList[i] < 120); // count in-range ads
2625 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2629 second = (second > 1);
2630 if(displayed != closest || second != lastSecond) {
2631 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2632 lastSecond = second; displayed = closest;
2634 if(click == Press) {
2635 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2638 } // on press 'hit', only show info
2639 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2640 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2641 SendToICS(ics_prefix);
2643 return TRUE; // let incoming board of started game pop down the graph
2644 } else if(click == Release) { // release 'miss' is ignored
2645 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2646 if(moving == 2) { // right up-click
2647 nrOfSeekAds = 0; // refresh graph
2648 soughtPending = TRUE;
2649 SendToICS(ics_prefix);
2650 SendToICS("sought\n"); // should this be "sought all"?
2653 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2654 // press miss or release hit 'pop down' seek graph
2655 seekGraphUp = FALSE;
2656 DrawPosition(TRUE, NULL);
2662 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2664 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2665 #define STARTED_NONE 0
2666 #define STARTED_MOVES 1
2667 #define STARTED_BOARD 2
2668 #define STARTED_OBSERVE 3
2669 #define STARTED_HOLDINGS 4
2670 #define STARTED_CHATTER 5
2671 #define STARTED_COMMENT 6
2672 #define STARTED_MOVES_NOHIDE 7
2674 static int started = STARTED_NONE;
2675 static char parse[20000];
2676 static int parse_pos = 0;
2677 static char buf[BUF_SIZE + 1];
2678 static int firstTime = TRUE, intfSet = FALSE;
2679 static ColorClass prevColor = ColorNormal;
2680 static int savingComment = FALSE;
2681 static int cmatch = 0; // continuation sequence match
2688 int backup; /* [DM] For zippy color lines */
2690 char talker[MSG_SIZ]; // [HGM] chat
2693 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2695 if (appData.debugMode) {
2697 fprintf(debugFP, "<ICS: ");
2698 show_bytes(debugFP, data, count);
2699 fprintf(debugFP, "\n");
2703 if (appData.debugMode) { int f = forwardMostMove;
2704 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2705 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2706 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2709 /* If last read ended with a partial line that we couldn't parse,
2710 prepend it to the new read and try again. */
2711 if (leftover_len > 0) {
2712 for (i=0; i<leftover_len; i++)
2713 buf[i] = buf[leftover_start + i];
2716 /* copy new characters into the buffer */
2717 bp = buf + leftover_len;
2718 buf_len=leftover_len;
2719 for (i=0; i<count; i++)
2722 if (data[i] == '\r')
2725 // join lines split by ICS?
2726 if (!appData.noJoin)
2729 Joining just consists of finding matches against the
2730 continuation sequence, and discarding that sequence
2731 if found instead of copying it. So, until a match
2732 fails, there's nothing to do since it might be the
2733 complete sequence, and thus, something we don't want
2736 if (data[i] == cont_seq[cmatch])
2739 if (cmatch == strlen(cont_seq))
2741 cmatch = 0; // complete match. just reset the counter
2744 it's possible for the ICS to not include the space
2745 at the end of the last word, making our [correct]
2746 join operation fuse two separate words. the server
2747 does this when the space occurs at the width setting.
2749 if (!buf_len || buf[buf_len-1] != ' ')
2760 match failed, so we have to copy what matched before
2761 falling through and copying this character. In reality,
2762 this will only ever be just the newline character, but
2763 it doesn't hurt to be precise.
2765 strncpy(bp, cont_seq, cmatch);
2777 buf[buf_len] = NULLCHAR;
2778 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2783 while (i < buf_len) {
2784 /* Deal with part of the TELNET option negotiation
2785 protocol. We refuse to do anything beyond the
2786 defaults, except that we allow the WILL ECHO option,
2787 which ICS uses to turn off password echoing when we are
2788 directly connected to it. We reject this option
2789 if localLineEditing mode is on (always on in xboard)
2790 and we are talking to port 23, which might be a real
2791 telnet server that will try to keep WILL ECHO on permanently.
2793 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2794 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2795 unsigned char option;
2797 switch ((unsigned char) buf[++i]) {
2799 if (appData.debugMode)
2800 fprintf(debugFP, "\n<WILL ");
2801 switch (option = (unsigned char) buf[++i]) {
2803 if (appData.debugMode)
2804 fprintf(debugFP, "ECHO ");
2805 /* Reply only if this is a change, according
2806 to the protocol rules. */
2807 if (remoteEchoOption) break;
2808 if (appData.localLineEditing &&
2809 atoi(appData.icsPort) == TN_PORT) {
2810 TelnetRequest(TN_DONT, TN_ECHO);
2813 TelnetRequest(TN_DO, TN_ECHO);
2814 remoteEchoOption = TRUE;
2818 if (appData.debugMode)
2819 fprintf(debugFP, "%d ", option);
2820 /* Whatever this is, we don't want it. */
2821 TelnetRequest(TN_DONT, option);
2826 if (appData.debugMode)
2827 fprintf(debugFP, "\n<WONT ");
2828 switch (option = (unsigned char) buf[++i]) {
2830 if (appData.debugMode)
2831 fprintf(debugFP, "ECHO ");
2832 /* Reply only if this is a change, according
2833 to the protocol rules. */
2834 if (!remoteEchoOption) break;
2836 TelnetRequest(TN_DONT, TN_ECHO);
2837 remoteEchoOption = FALSE;
2840 if (appData.debugMode)
2841 fprintf(debugFP, "%d ", (unsigned char) option);
2842 /* Whatever this is, it must already be turned
2843 off, because we never agree to turn on
2844 anything non-default, so according to the
2845 protocol rules, we don't reply. */
2850 if (appData.debugMode)
2851 fprintf(debugFP, "\n<DO ");
2852 switch (option = (unsigned char) buf[++i]) {
2854 /* Whatever this is, we refuse to do it. */
2855 if (appData.debugMode)
2856 fprintf(debugFP, "%d ", option);
2857 TelnetRequest(TN_WONT, option);
2862 if (appData.debugMode)
2863 fprintf(debugFP, "\n<DONT ");
2864 switch (option = (unsigned char) buf[++i]) {
2866 if (appData.debugMode)
2867 fprintf(debugFP, "%d ", option);
2868 /* Whatever this is, we are already not doing
2869 it, because we never agree to do anything
2870 non-default, so according to the protocol
2871 rules, we don't reply. */
2876 if (appData.debugMode)
2877 fprintf(debugFP, "\n<IAC ");
2878 /* Doubled IAC; pass it through */
2882 if (appData.debugMode)
2883 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2884 /* Drop all other telnet commands on the floor */
2887 if (oldi > next_out)
2888 SendToPlayer(&buf[next_out], oldi - next_out);
2894 /* OK, this at least will *usually* work */
2895 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2899 if (loggedOn && !intfSet) {
2900 if (ics_type == ICS_ICC) {
2901 snprintf(str, MSG_SIZ,
2902 "/set-quietly interface %s\n/set-quietly style 12\n",
2904 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2905 strcat(str, "/set-2 51 1\n/set seek 1\n");
2906 } else if (ics_type == ICS_CHESSNET) {
2907 snprintf(str, MSG_SIZ, "/style 12\n");
2909 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2910 strcat(str, programVersion);
2911 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2912 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2913 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2915 strcat(str, "$iset nohighlight 1\n");
2917 strcat(str, "$iset lock 1\n$style 12\n");
2920 NotifyFrontendLogin();
2924 if (started == STARTED_COMMENT) {
2925 /* Accumulate characters in comment */
2926 parse[parse_pos++] = buf[i];
2927 if (buf[i] == '\n') {
2928 parse[parse_pos] = NULLCHAR;
2929 if(chattingPartner>=0) {
2931 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2932 OutputChatMessage(chattingPartner, mess);
2933 chattingPartner = -1;
2934 next_out = i+1; // [HGM] suppress printing in ICS window
2936 if(!suppressKibitz) // [HGM] kibitz
2937 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2938 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2939 int nrDigit = 0, nrAlph = 0, j;
2940 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2941 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2942 parse[parse_pos] = NULLCHAR;
2943 // try to be smart: if it does not look like search info, it should go to
2944 // ICS interaction window after all, not to engine-output window.
2945 for(j=0; j<parse_pos; j++) { // count letters and digits
2946 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2947 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2948 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2950 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2951 int depth=0; float score;
2952 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2953 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2954 pvInfoList[forwardMostMove-1].depth = depth;
2955 pvInfoList[forwardMostMove-1].score = 100*score;
2957 OutputKibitz(suppressKibitz, parse);
2960 if(gameMode == IcsObserving) // restore original ICS messages
2961 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2963 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2964 SendToPlayer(tmp, strlen(tmp));
2966 next_out = i+1; // [HGM] suppress printing in ICS window
2968 started = STARTED_NONE;
2970 /* Don't match patterns against characters in comment */
2975 if (started == STARTED_CHATTER) {
2976 if (buf[i] != '\n') {
2977 /* Don't match patterns against characters in chatter */
2981 started = STARTED_NONE;
2982 if(suppressKibitz) next_out = i+1;
2985 /* Kludge to deal with rcmd protocol */
2986 if (firstTime && looking_at(buf, &i, "\001*")) {
2987 DisplayFatalError(&buf[1], 0, 1);
2993 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2996 if (appData.debugMode)
2997 fprintf(debugFP, "ics_type %d\n", ics_type);
3000 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3001 ics_type = ICS_FICS;
3003 if (appData.debugMode)
3004 fprintf(debugFP, "ics_type %d\n", ics_type);
3007 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3008 ics_type = ICS_CHESSNET;
3010 if (appData.debugMode)
3011 fprintf(debugFP, "ics_type %d\n", ics_type);
3016 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3017 looking_at(buf, &i, "Logging you in as \"*\"") ||
3018 looking_at(buf, &i, "will be \"*\""))) {
3019 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3023 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3025 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3026 DisplayIcsInteractionTitle(buf);
3027 have_set_title = TRUE;
3030 /* skip finger notes */
3031 if (started == STARTED_NONE &&
3032 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3033 (buf[i] == '1' && buf[i+1] == '0')) &&
3034 buf[i+2] == ':' && buf[i+3] == ' ') {
3035 started = STARTED_CHATTER;
3041 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3042 if(appData.seekGraph) {
3043 if(soughtPending && MatchSoughtLine(buf+i)) {
3044 i = strstr(buf+i, "rated") - buf;
3045 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3046 next_out = leftover_start = i;
3047 started = STARTED_CHATTER;
3048 suppressKibitz = TRUE;
3051 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3052 && looking_at(buf, &i, "* ads displayed")) {
3053 soughtPending = FALSE;
3058 if(appData.autoRefresh) {
3059 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3060 int s = (ics_type == ICS_ICC); // ICC format differs
3062 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3063 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3064 looking_at(buf, &i, "*% "); // eat prompt
3065 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3066 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3067 next_out = i; // suppress
3070 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3071 char *p = star_match[0];
3073 if(seekGraphUp) RemoveSeekAd(atoi(p));
3074 while(*p && *p++ != ' '); // next
3076 looking_at(buf, &i, "*% "); // eat prompt
3077 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3084 /* skip formula vars */
3085 if (started == STARTED_NONE &&
3086 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3087 started = STARTED_CHATTER;
3092 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3093 if (appData.autoKibitz && started == STARTED_NONE &&
3094 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3095 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3096 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3097 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3098 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3099 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3100 suppressKibitz = TRUE;
3101 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3103 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3104 && (gameMode == IcsPlayingWhite)) ||
3105 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3106 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3107 started = STARTED_CHATTER; // own kibitz we simply discard
3109 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3110 parse_pos = 0; parse[0] = NULLCHAR;
3111 savingComment = TRUE;
3112 suppressKibitz = gameMode != IcsObserving ? 2 :
3113 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3117 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3118 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3119 && atoi(star_match[0])) {
3120 // suppress the acknowledgements of our own autoKibitz
3122 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3123 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3124 SendToPlayer(star_match[0], strlen(star_match[0]));
3125 if(looking_at(buf, &i, "*% ")) // eat prompt
3126 suppressKibitz = FALSE;
3130 } // [HGM] kibitz: end of patch
3132 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3134 // [HGM] chat: intercept tells by users for which we have an open chat window
3136 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3137 looking_at(buf, &i, "* whispers:") ||
3138 looking_at(buf, &i, "* kibitzes:") ||
3139 looking_at(buf, &i, "* shouts:") ||
3140 looking_at(buf, &i, "* c-shouts:") ||
3141 looking_at(buf, &i, "--> * ") ||
3142 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3143 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3144 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3145 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3147 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3148 chattingPartner = -1;
3150 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3151 for(p=0; p<MAX_CHAT; p++) {
3152 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3153 talker[0] = '['; strcat(talker, "] ");
3154 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3155 chattingPartner = p; break;
3158 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3159 for(p=0; p<MAX_CHAT; p++) {
3160 if(!strcmp("kibitzes", chatPartner[p])) {
3161 talker[0] = '['; strcat(talker, "] ");
3162 chattingPartner = p; break;
3165 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3166 for(p=0; p<MAX_CHAT; p++) {
3167 if(!strcmp("whispers", chatPartner[p])) {
3168 talker[0] = '['; strcat(talker, "] ");
3169 chattingPartner = p; break;
3172 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3173 if(buf[i-8] == '-' && buf[i-3] == 't')
3174 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3175 if(!strcmp("c-shouts", chatPartner[p])) {
3176 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3177 chattingPartner = p; break;
3180 if(chattingPartner < 0)
3181 for(p=0; p<MAX_CHAT; p++) {
3182 if(!strcmp("shouts", chatPartner[p])) {
3183 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3184 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3185 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3186 chattingPartner = p; break;
3190 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3191 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3192 talker[0] = 0; Colorize(ColorTell, FALSE);
3193 chattingPartner = p; break;
3195 if(chattingPartner<0) i = oldi; else {
3196 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3197 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3198 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3199 started = STARTED_COMMENT;
3200 parse_pos = 0; parse[0] = NULLCHAR;
3201 savingComment = 3 + chattingPartner; // counts as TRUE
3202 suppressKibitz = TRUE;
3205 } // [HGM] chat: end of patch
3208 if (appData.zippyTalk || appData.zippyPlay) {
3209 /* [DM] Backup address for color zippy lines */
3211 if (loggedOn == TRUE)
3212 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3213 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3215 } // [DM] 'else { ' deleted
3217 /* Regular tells and says */
3218 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3219 looking_at(buf, &i, "* (your partner) tells you: ") ||
3220 looking_at(buf, &i, "* says: ") ||
3221 /* Don't color "message" or "messages" output */
3222 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3223 looking_at(buf, &i, "*. * at *:*: ") ||
3224 looking_at(buf, &i, "--* (*:*): ") ||
3225 /* Message notifications (same color as tells) */
3226 looking_at(buf, &i, "* has left a message ") ||
3227 looking_at(buf, &i, "* just sent you a message:\n") ||
3228 /* Whispers and kibitzes */
3229 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3230 looking_at(buf, &i, "* kibitzes: ") ||
3232 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3234 if (tkind == 1 && strchr(star_match[0], ':')) {
3235 /* Avoid "tells you:" spoofs in channels */
3238 if (star_match[0][0] == NULLCHAR ||
3239 strchr(star_match[0], ' ') ||
3240 (tkind == 3 && strchr(star_match[1], ' '))) {
3241 /* Reject bogus matches */
3244 if (appData.colorize) {
3245 if (oldi > next_out) {
3246 SendToPlayer(&buf[next_out], oldi - next_out);
3251 Colorize(ColorTell, FALSE);
3252 curColor = ColorTell;
3255 Colorize(ColorKibitz, FALSE);
3256 curColor = ColorKibitz;
3259 p = strrchr(star_match[1], '(');
3266 Colorize(ColorChannel1, FALSE);
3267 curColor = ColorChannel1;
3269 Colorize(ColorChannel, FALSE);
3270 curColor = ColorChannel;
3274 curColor = ColorNormal;
3278 if (started == STARTED_NONE && appData.autoComment &&
3279 (gameMode == IcsObserving ||
3280 gameMode == IcsPlayingWhite ||
3281 gameMode == IcsPlayingBlack)) {
3282 parse_pos = i - oldi;
3283 memcpy(parse, &buf[oldi], parse_pos);
3284 parse[parse_pos] = NULLCHAR;
3285 started = STARTED_COMMENT;
3286 savingComment = TRUE;
3288 started = STARTED_CHATTER;
3289 savingComment = FALSE;
3296 if (looking_at(buf, &i, "* s-shouts: ") ||
3297 looking_at(buf, &i, "* c-shouts: ")) {
3298 if (appData.colorize) {
3299 if (oldi > next_out) {
3300 SendToPlayer(&buf[next_out], oldi - next_out);
3303 Colorize(ColorSShout, FALSE);
3304 curColor = ColorSShout;
3307 started = STARTED_CHATTER;
3311 if (looking_at(buf, &i, "--->")) {
3316 if (looking_at(buf, &i, "* shouts: ") ||
3317 looking_at(buf, &i, "--> ")) {
3318 if (appData.colorize) {
3319 if (oldi > next_out) {
3320 SendToPlayer(&buf[next_out], oldi - next_out);
3323 Colorize(ColorShout, FALSE);
3324 curColor = ColorShout;
3327 started = STARTED_CHATTER;
3331 if (looking_at( buf, &i, "Challenge:")) {
3332 if (appData.colorize) {
3333 if (oldi > next_out) {
3334 SendToPlayer(&buf[next_out], oldi - next_out);
3337 Colorize(ColorChallenge, FALSE);
3338 curColor = ColorChallenge;
3344 if (looking_at(buf, &i, "* offers you") ||
3345 looking_at(buf, &i, "* offers to be") ||
3346 looking_at(buf, &i, "* would like to") ||
3347 looking_at(buf, &i, "* requests to") ||
3348 looking_at(buf, &i, "Your opponent offers") ||
3349 looking_at(buf, &i, "Your opponent requests")) {
3351 if (appData.colorize) {
3352 if (oldi > next_out) {
3353 SendToPlayer(&buf[next_out], oldi - next_out);
3356 Colorize(ColorRequest, FALSE);
3357 curColor = ColorRequest;
3362 if (looking_at(buf, &i, "* (*) seeking")) {
3363 if (appData.colorize) {
3364 if (oldi > next_out) {
3365 SendToPlayer(&buf[next_out], oldi - next_out);
3368 Colorize(ColorSeek, FALSE);
3369 curColor = ColorSeek;
3374 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3376 if (looking_at(buf, &i, "\\ ")) {
3377 if (prevColor != ColorNormal) {
3378 if (oldi > next_out) {
3379 SendToPlayer(&buf[next_out], oldi - next_out);
3382 Colorize(prevColor, TRUE);
3383 curColor = prevColor;
3385 if (savingComment) {
3386 parse_pos = i - oldi;
3387 memcpy(parse, &buf[oldi], parse_pos);
3388 parse[parse_pos] = NULLCHAR;
3389 started = STARTED_COMMENT;
3390 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3391 chattingPartner = savingComment - 3; // kludge to remember the box
3393 started = STARTED_CHATTER;
3398 if (looking_at(buf, &i, "Black Strength :") ||
3399 looking_at(buf, &i, "<<< style 10 board >>>") ||
3400 looking_at(buf, &i, "<10>") ||
3401 looking_at(buf, &i, "#@#")) {
3402 /* Wrong board style */
3404 SendToICS(ics_prefix);
3405 SendToICS("set style 12\n");
3406 SendToICS(ics_prefix);
3407 SendToICS("refresh\n");
3411 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3413 have_sent_ICS_logon = 1;
3417 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3418 (looking_at(buf, &i, "\n<12> ") ||
3419 looking_at(buf, &i, "<12> "))) {
3421 if (oldi > next_out) {
3422 SendToPlayer(&buf[next_out], oldi - next_out);
3425 started = STARTED_BOARD;
3430 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3431 looking_at(buf, &i, "<b1> ")) {
3432 if (oldi > next_out) {
3433 SendToPlayer(&buf[next_out], oldi - next_out);
3436 started = STARTED_HOLDINGS;
3441 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3443 /* Header for a move list -- first line */
3445 switch (ics_getting_history) {
3449 case BeginningOfGame:
3450 /* User typed "moves" or "oldmoves" while we
3451 were idle. Pretend we asked for these
3452 moves and soak them up so user can step
3453 through them and/or save them.
3456 gameMode = IcsObserving;
3459 ics_getting_history = H_GOT_UNREQ_HEADER;
3461 case EditGame: /*?*/
3462 case EditPosition: /*?*/
3463 /* Should above feature work in these modes too? */
3464 /* For now it doesn't */
3465 ics_getting_history = H_GOT_UNWANTED_HEADER;
3468 ics_getting_history = H_GOT_UNWANTED_HEADER;
3473 /* Is this the right one? */
3474 if (gameInfo.white && gameInfo.black &&
3475 strcmp(gameInfo.white, star_match[0]) == 0 &&
3476 strcmp(gameInfo.black, star_match[2]) == 0) {
3478 ics_getting_history = H_GOT_REQ_HEADER;
3481 case H_GOT_REQ_HEADER:
3482 case H_GOT_UNREQ_HEADER:
3483 case H_GOT_UNWANTED_HEADER:
3484 case H_GETTING_MOVES:
3485 /* Should not happen */
3486 DisplayError(_("Error gathering move list: two headers"), 0);
3487 ics_getting_history = H_FALSE;
3491 /* Save player ratings into gameInfo if needed */
3492 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3493 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3494 (gameInfo.whiteRating == -1 ||
3495 gameInfo.blackRating == -1)) {
3497 gameInfo.whiteRating = string_to_rating(star_match[1]);
3498 gameInfo.blackRating = string_to_rating(star_match[3]);
3499 if (appData.debugMode)
3500 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3501 gameInfo.whiteRating, gameInfo.blackRating);
3506 if (looking_at(buf, &i,
3507 "* * match, initial time: * minute*, increment: * second")) {
3508 /* Header for a move list -- second line */
3509 /* Initial board will follow if this is a wild game */
3510 if (gameInfo.event != NULL) free(gameInfo.event);
3511 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3512 gameInfo.event = StrSave(str);
3513 /* [HGM] we switched variant. Translate boards if needed. */
3514 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3518 if (looking_at(buf, &i, "Move ")) {
3519 /* Beginning of a move list */
3520 switch (ics_getting_history) {
3522 /* Normally should not happen */
3523 /* Maybe user hit reset while we were parsing */
3526 /* Happens if we are ignoring a move list that is not
3527 * the one we just requested. Common if the user
3528 * tries to observe two games without turning off
3531 case H_GETTING_MOVES:
3532 /* Should not happen */
3533 DisplayError(_("Error gathering move list: nested"), 0);
3534 ics_getting_history = H_FALSE;
3536 case H_GOT_REQ_HEADER:
3537 ics_getting_history = H_GETTING_MOVES;
3538 started = STARTED_MOVES;
3540 if (oldi > next_out) {
3541 SendToPlayer(&buf[next_out], oldi - next_out);
3544 case H_GOT_UNREQ_HEADER:
3545 ics_getting_history = H_GETTING_MOVES;
3546 started = STARTED_MOVES_NOHIDE;
3549 case H_GOT_UNWANTED_HEADER:
3550 ics_getting_history = H_FALSE;
3556 if (looking_at(buf, &i, "% ") ||
3557 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3558 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3559 if(soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3560 soughtPending = FALSE;
3564 if(suppressKibitz) next_out = i;
3565 savingComment = FALSE;
3569 case STARTED_MOVES_NOHIDE:
3570 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3571 parse[parse_pos + i - oldi] = NULLCHAR;
3572 ParseGameHistory(parse);
3574 if (appData.zippyPlay && first.initDone) {
3575 FeedMovesToProgram(&first, forwardMostMove);
3576 if (gameMode == IcsPlayingWhite) {
3577 if (WhiteOnMove(forwardMostMove)) {
3578 if (first.sendTime) {
3579 if (first.useColors) {
3580 SendToProgram("black\n", &first);
3582 SendTimeRemaining(&first, TRUE);
3584 if (first.useColors) {
3585 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3587 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3588 first.maybeThinking = TRUE;
3590 if (first.usePlayother) {
3591 if (first.sendTime) {
3592 SendTimeRemaining(&first, TRUE);
3594 SendToProgram("playother\n", &first);
3600 } else if (gameMode == IcsPlayingBlack) {
3601 if (!WhiteOnMove(forwardMostMove)) {
3602 if (first.sendTime) {
3603 if (first.useColors) {
3604 SendToProgram("white\n", &first);
3606 SendTimeRemaining(&first, FALSE);
3608 if (first.useColors) {
3609 SendToProgram("black\n", &first);
3611 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3612 first.maybeThinking = TRUE;
3614 if (first.usePlayother) {
3615 if (first.sendTime) {
3616 SendTimeRemaining(&first, FALSE);
3618 SendToProgram("playother\n", &first);
3627 if (gameMode == IcsObserving && ics_gamenum == -1) {
3628 /* Moves came from oldmoves or moves command
3629 while we weren't doing anything else.
3631 currentMove = forwardMostMove;
3632 ClearHighlights();/*!!could figure this out*/
3633 flipView = appData.flipView;
3634 DrawPosition(TRUE, boards[currentMove]);
3635 DisplayBothClocks();
3636 snprintf(str, MSG_SIZ, "%s %s %s",
3637 gameInfo.white, _("vs."), gameInfo.black);
3641 /* Moves were history of an active game */
3642 if (gameInfo.resultDetails != NULL) {
3643 free(gameInfo.resultDetails);
3644 gameInfo.resultDetails = NULL;
3647 HistorySet(parseList, backwardMostMove,
3648 forwardMostMove, currentMove-1);
3649 DisplayMove(currentMove - 1);
3650 if (started == STARTED_MOVES) next_out = i;
3651 started = STARTED_NONE;
3652 ics_getting_history = H_FALSE;
3655 case STARTED_OBSERVE:
3656 started = STARTED_NONE;
3657 SendToICS(ics_prefix);
3658 SendToICS("refresh\n");
3664 if(bookHit) { // [HGM] book: simulate book reply
3665 static char bookMove[MSG_SIZ]; // a bit generous?
3667 programStats.nodes = programStats.depth = programStats.time =
3668 programStats.score = programStats.got_only_move = 0;
3669 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3671 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3672 strcat(bookMove, bookHit);
3673 HandleMachineMove(bookMove, &first);
3678 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3679 started == STARTED_HOLDINGS ||
3680 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3681 /* Accumulate characters in move list or board */
3682 parse[parse_pos++] = buf[i];
3685 /* Start of game messages. Mostly we detect start of game
3686 when the first board image arrives. On some versions
3687 of the ICS, though, we need to do a "refresh" after starting
3688 to observe in order to get the current board right away. */
3689 if (looking_at(buf, &i, "Adding game * to observation list")) {
3690 started = STARTED_OBSERVE;
3694 /* Handle auto-observe */
3695 if (appData.autoObserve &&
3696 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3697 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3699 /* Choose the player that was highlighted, if any. */
3700 if (star_match[0][0] == '\033' ||
3701 star_match[1][0] != '\033') {
3702 player = star_match[0];
3704 player = star_match[2];
3706 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3707 ics_prefix, StripHighlightAndTitle(player));
3710 /* Save ratings from notify string */
3711 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3712 player1Rating = string_to_rating(star_match[1]);
3713 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3714 player2Rating = string_to_rating(star_match[3]);
3716 if (appData.debugMode)
3718 "Ratings from 'Game notification:' %s %d, %s %d\n",
3719 player1Name, player1Rating,
3720 player2Name, player2Rating);
3725 /* Deal with automatic examine mode after a game,
3726 and with IcsObserving -> IcsExamining transition */
3727 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3728 looking_at(buf, &i, "has made you an examiner of game *")) {
3730 int gamenum = atoi(star_match[0]);
3731 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3732 gamenum == ics_gamenum) {
3733 /* We were already playing or observing this game;
3734 no need to refetch history */
3735 gameMode = IcsExamining;
3737 pauseExamForwardMostMove = forwardMostMove;
3738 } else if (currentMove < forwardMostMove) {
3739 ForwardInner(forwardMostMove);
3742 /* I don't think this case really can happen */
3743 SendToICS(ics_prefix);
3744 SendToICS("refresh\n");
3749 /* Error messages */
3750 // if (ics_user_moved) {
3751 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3752 if (looking_at(buf, &i, "Illegal move") ||
3753 looking_at(buf, &i, "Not a legal move") ||
3754 looking_at(buf, &i, "Your king is in check") ||
3755 looking_at(buf, &i, "It isn't your turn") ||
3756 looking_at(buf, &i, "It is not your move")) {
3758 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3759 currentMove = forwardMostMove-1;
3760 DisplayMove(currentMove - 1); /* before DMError */
3761 DrawPosition(FALSE, boards[currentMove]);
3762 SwitchClocks(forwardMostMove-1); // [HGM] race
3763 DisplayBothClocks();
3765 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3771 if (looking_at(buf, &i, "still have time") ||
3772 looking_at(buf, &i, "not out of time") ||
3773 looking_at(buf, &i, "either player is out of time") ||
3774 looking_at(buf, &i, "has timeseal; checking")) {
3775 /* We must have called his flag a little too soon */
3776 whiteFlag = blackFlag = FALSE;
3780 if (looking_at(buf, &i, "added * seconds to") ||
3781 looking_at(buf, &i, "seconds were added to")) {
3782 /* Update the clocks */
3783 SendToICS(ics_prefix);
3784 SendToICS("refresh\n");
3788 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3789 ics_clock_paused = TRUE;
3794 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3795 ics_clock_paused = FALSE;
3800 /* Grab player ratings from the Creating: message.
3801 Note we have to check for the special case when
3802 the ICS inserts things like [white] or [black]. */
3803 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3804 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3806 0 player 1 name (not necessarily white)
3808 2 empty, white, or black (IGNORED)
3809 3 player 2 name (not necessarily black)
3812 The names/ratings are sorted out when the game
3813 actually starts (below).
3815 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3816 player1Rating = string_to_rating(star_match[1]);
3817 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3818 player2Rating = string_to_rating(star_match[4]);
3820 if (appData.debugMode)
3822 "Ratings from 'Creating:' %s %d, %s %d\n",
3823 player1Name, player1Rating,
3824 player2Name, player2Rating);
3829 /* Improved generic start/end-of-game messages */
3830 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3831 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3832 /* If tkind == 0: */
3833 /* star_match[0] is the game number */
3834 /* [1] is the white player's name */
3835 /* [2] is the black player's name */
3836 /* For end-of-game: */
3837 /* [3] is the reason for the game end */
3838 /* [4] is a PGN end game-token, preceded by " " */
3839 /* For start-of-game: */
3840 /* [3] begins with "Creating" or "Continuing" */
3841 /* [4] is " *" or empty (don't care). */
3842 int gamenum = atoi(star_match[0]);
3843 char *whitename, *blackname, *why, *endtoken;
3844 ChessMove endtype = EndOfFile;
3847 whitename = star_match[1];
3848 blackname = star_match[2];
3849 why = star_match[3];
3850 endtoken = star_match[4];
3852 whitename = star_match[1];
3853 blackname = star_match[3];
3854 why = star_match[5];
3855 endtoken = star_match[6];
3858 /* Game start messages */
3859 if (strncmp(why, "Creating ", 9) == 0 ||
3860 strncmp(why, "Continuing ", 11) == 0) {
3861 gs_gamenum = gamenum;
3862 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3863 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3864 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3866 if (appData.zippyPlay) {
3867 ZippyGameStart(whitename, blackname);
3870 partnerBoardValid = FALSE; // [HGM] bughouse
3874 /* Game end messages */
3875 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3876 ics_gamenum != gamenum) {
3879 while (endtoken[0] == ' ') endtoken++;
3880 switch (endtoken[0]) {
3883 endtype = GameUnfinished;
3886 endtype = BlackWins;
3889 if (endtoken[1] == '/')
3890 endtype = GameIsDrawn;
3892 endtype = WhiteWins;
3895 GameEnds(endtype, why, GE_ICS);
3897 if (appData.zippyPlay && first.initDone) {
3898 ZippyGameEnd(endtype, why);
3899 if (first.pr == NoProc) {
3900 /* Start the next process early so that we'll
3901 be ready for the next challenge */
3902 StartChessProgram(&first);
3904 /* Send "new" early, in case this command takes
3905 a long time to finish, so that we'll be ready
3906 for the next challenge. */
3907 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3911 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3915 if (looking_at(buf, &i, "Removing game * from observation") ||
3916 looking_at(buf, &i, "no longer observing game *") ||
3917 looking_at(buf, &i, "Game * (*) has no examiners")) {
3918 if (gameMode == IcsObserving &&
3919 atoi(star_match[0]) == ics_gamenum)
3921 /* icsEngineAnalyze */
3922 if (appData.icsEngineAnalyze) {
3929 ics_user_moved = FALSE;
3934 if (looking_at(buf, &i, "no longer examining game *")) {
3935 if (gameMode == IcsExamining &&
3936 atoi(star_match[0]) == ics_gamenum)
3940 ics_user_moved = FALSE;
3945 /* Advance leftover_start past any newlines we find,
3946 so only partial lines can get reparsed */
3947 if (looking_at(buf, &i, "\n")) {
3948 prevColor = curColor;
3949 if (curColor != ColorNormal) {
3950 if (oldi > next_out) {
3951 SendToPlayer(&buf[next_out], oldi - next_out);
3954 Colorize(ColorNormal, FALSE);
3955 curColor = ColorNormal;
3957 if (started == STARTED_BOARD) {
3958 started = STARTED_NONE;
3959 parse[parse_pos] = NULLCHAR;
3960 ParseBoard12(parse);
3963 /* Send premove here */
3964 if (appData.premove) {
3966 if (currentMove == 0 &&
3967 gameMode == IcsPlayingWhite &&
3968 appData.premoveWhite) {
3969 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3970 if (appData.debugMode)
3971 fprintf(debugFP, "Sending premove:\n");
3973 } else if (currentMove == 1 &&
3974 gameMode == IcsPlayingBlack &&
3975 appData.premoveBlack) {
3976 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3977 if (appData.debugMode)
3978 fprintf(debugFP, "Sending premove:\n");
3980 } else if (gotPremove) {
3982 ClearPremoveHighlights();
3983 if (appData.debugMode)
3984 fprintf(debugFP, "Sending premove:\n");
3985 UserMoveEvent(premoveFromX, premoveFromY,
3986 premoveToX, premoveToY,
3991 /* Usually suppress following prompt */
3992 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3993 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3994 if (looking_at(buf, &i, "*% ")) {
3995 savingComment = FALSE;
4000 } else if (started == STARTED_HOLDINGS) {
4002 char new_piece[MSG_SIZ];
4003 started = STARTED_NONE;
4004 parse[parse_pos] = NULLCHAR;
4005 if (appData.debugMode)
4006 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4007 parse, currentMove);
4008 if (sscanf(parse, " game %d", &gamenum) == 1) {
4009 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4010 if (gameInfo.variant == VariantNormal) {
4011 /* [HGM] We seem to switch variant during a game!
4012 * Presumably no holdings were displayed, so we have
4013 * to move the position two files to the right to
4014 * create room for them!
4016 VariantClass newVariant;
4017 switch(gameInfo.boardWidth) { // base guess on board width
4018 case 9: newVariant = VariantShogi; break;
4019 case 10: newVariant = VariantGreat; break;
4020 default: newVariant = VariantCrazyhouse; break;
4022 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4023 /* Get a move list just to see the header, which
4024 will tell us whether this is really bug or zh */
4025 if (ics_getting_history == H_FALSE) {
4026 ics_getting_history = H_REQUESTED;
4027 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4031 new_piece[0] = NULLCHAR;
4032 sscanf(parse, "game %d white [%s black [%s <- %s",
4033 &gamenum, white_holding, black_holding,
4035 white_holding[strlen(white_holding)-1] = NULLCHAR;
4036 black_holding[strlen(black_holding)-1] = NULLCHAR;
4037 /* [HGM] copy holdings to board holdings area */
4038 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4039 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4040 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4042 if (appData.zippyPlay && first.initDone) {
4043 ZippyHoldings(white_holding, black_holding,
4047 if (tinyLayout || smallLayout) {
4048 char wh[16], bh[16];
4049 PackHolding(wh, white_holding);
4050 PackHolding(bh, black_holding);
4051 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4052 gameInfo.white, gameInfo.black);
4054 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4055 gameInfo.white, white_holding, _("vs."),
4056 gameInfo.black, black_holding);
4058 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4059 DrawPosition(FALSE, boards[currentMove]);
4061 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4062 sscanf(parse, "game %d white [%s black [%s <- %s",
4063 &gamenum, white_holding, black_holding,
4065 white_holding[strlen(white_holding)-1] = NULLCHAR;
4066 black_holding[strlen(black_holding)-1] = NULLCHAR;
4067 /* [HGM] copy holdings to partner-board holdings area */
4068 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4069 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4070 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4071 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4072 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4075 /* Suppress following prompt */
4076 if (looking_at(buf, &i, "*% ")) {
4077 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4078 savingComment = FALSE;
4086 i++; /* skip unparsed character and loop back */
4089 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4090 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4091 // SendToPlayer(&buf[next_out], i - next_out);
4092 started != STARTED_HOLDINGS && leftover_start > next_out) {
4093 SendToPlayer(&buf[next_out], leftover_start - next_out);
4097 leftover_len = buf_len - leftover_start;
4098 /* if buffer ends with something we couldn't parse,
4099 reparse it after appending the next read */
4101 } else if (count == 0) {
4102 RemoveInputSource(isr);
4103 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4105 DisplayFatalError(_("Error reading from ICS"), error, 1);
4110 /* Board style 12 looks like this:
4112 <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
4114 * The "<12> " is stripped before it gets to this routine. The two
4115 * trailing 0's (flip state and clock ticking) are later addition, and
4116 * some chess servers may not have them, or may have only the first.
4117 * Additional trailing fields may be added in the future.
4120 #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"
4122 #define RELATION_OBSERVING_PLAYED 0
4123 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4124 #define RELATION_PLAYING_MYMOVE 1
4125 #define RELATION_PLAYING_NOTMYMOVE -1
4126 #define RELATION_EXAMINING 2
4127 #define RELATION_ISOLATED_BOARD -3
4128 #define RELATION_STARTING_POSITION -4 /* FICS only */
4131 ParseBoard12 (char *string)
4133 GameMode newGameMode;
4134 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4135 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4136 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4137 char to_play, board_chars[200];
4138 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4139 char black[32], white[32];
4141 int prevMove = currentMove;
4144 int fromX, fromY, toX, toY;
4146 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4147 char *bookHit = NULL; // [HGM] book
4148 Boolean weird = FALSE, reqFlag = FALSE;
4150 fromX = fromY = toX = toY = -1;
4154 if (appData.debugMode)
4155 fprintf(debugFP, _("Parsing board: %s\n"), string);
4157 move_str[0] = NULLCHAR;
4158 elapsed_time[0] = NULLCHAR;
4159 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4161 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4162 if(string[i] == ' ') { ranks++; files = 0; }
4164 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4167 for(j = 0; j <i; j++) board_chars[j] = string[j];
4168 board_chars[i] = '\0';
4171 n = sscanf(string, PATTERN, &to_play, &double_push,
4172 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4173 &gamenum, white, black, &relation, &basetime, &increment,
4174 &white_stren, &black_stren, &white_time, &black_time,
4175 &moveNum, str, elapsed_time, move_str, &ics_flip,
4179 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4180 DisplayError(str, 0);
4184 /* Convert the move number to internal form */
4185 moveNum = (moveNum - 1) * 2;
4186 if (to_play == 'B') moveNum++;
4187 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4188 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4194 case RELATION_OBSERVING_PLAYED:
4195 case RELATION_OBSERVING_STATIC:
4196 if (gamenum == -1) {
4197 /* Old ICC buglet */
4198 relation = RELATION_OBSERVING_STATIC;
4200 newGameMode = IcsObserving;
4202 case RELATION_PLAYING_MYMOVE:
4203 case RELATION_PLAYING_NOTMYMOVE:
4205 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4206 IcsPlayingWhite : IcsPlayingBlack;
4208 case RELATION_EXAMINING:
4209 newGameMode = IcsExamining;
4211 case RELATION_ISOLATED_BOARD:
4213 /* Just display this board. If user was doing something else,
4214 we will forget about it until the next board comes. */
4215 newGameMode = IcsIdle;
4217 case RELATION_STARTING_POSITION:
4218 newGameMode = gameMode;
4222 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4223 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4224 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4226 for (k = 0; k < ranks; k++) {
4227 for (j = 0; j < files; j++)
4228 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4229 if(gameInfo.holdingsWidth > 1) {
4230 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4231 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4234 CopyBoard(partnerBoard, board);
4235 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4236 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4237 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4238 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4239 if(toSqr = strchr(str, '-')) {
4240 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4241 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4242 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4243 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4244 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4245 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4246 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4247 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4248 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4249 DisplayMessage(partnerStatus, "");
4250 partnerBoardValid = TRUE;
4254 /* Modify behavior for initial board display on move listing
4257 switch (ics_getting_history) {
4261 case H_GOT_REQ_HEADER:
4262 case H_GOT_UNREQ_HEADER:
4263 /* This is the initial position of the current game */
4264 gamenum = ics_gamenum;
4265 moveNum = 0; /* old ICS bug workaround */
4266 if (to_play == 'B') {
4267 startedFromSetupPosition = TRUE;
4268 blackPlaysFirst = TRUE;
4270 if (forwardMostMove == 0) forwardMostMove = 1;
4271 if (backwardMostMove == 0) backwardMostMove = 1;
4272 if (currentMove == 0) currentMove = 1;
4274 newGameMode = gameMode;
4275 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4277 case H_GOT_UNWANTED_HEADER:
4278 /* This is an initial board that we don't want */
4280 case H_GETTING_MOVES:
4281 /* Should not happen */
4282 DisplayError(_("Error gathering move list: extra board"), 0);
4283 ics_getting_history = H_FALSE;
4287 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4288 weird && (int)gameInfo.variant < (int)VariantShogi) {
4289 /* [HGM] We seem to have switched variant unexpectedly
4290 * Try to guess new variant from board size
4292 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4293 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4294 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4295 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4296 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4297 if(!weird) newVariant = VariantNormal;
4298 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4299 /* Get a move list just to see the header, which
4300 will tell us whether this is really bug or zh */
4301 if (ics_getting_history == H_FALSE) {
4302 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4303 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4308 /* Take action if this is the first board of a new game, or of a
4309 different game than is currently being displayed. */
4310 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4311 relation == RELATION_ISOLATED_BOARD) {
4313 /* Forget the old game and get the history (if any) of the new one */
4314 if (gameMode != BeginningOfGame) {
4318 if (appData.autoRaiseBoard) BoardToTop();
4320 if (gamenum == -1) {
4321 newGameMode = IcsIdle;
4322 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4323 appData.getMoveList && !reqFlag) {
4324 /* Need to get game history */
4325 ics_getting_history = H_REQUESTED;
4326 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4330 /* Initially flip the board to have black on the bottom if playing
4331 black or if the ICS flip flag is set, but let the user change
4332 it with the Flip View button. */
4333 flipView = appData.autoFlipView ?
4334 (newGameMode == IcsPlayingBlack) || ics_flip :
4337 /* Done with values from previous mode; copy in new ones */
4338 gameMode = newGameMode;
4340 ics_gamenum = gamenum;
4341 if (gamenum == gs_gamenum) {
4342 int klen = strlen(gs_kind);
4343 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4344 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4345 gameInfo.event = StrSave(str);
4347 gameInfo.event = StrSave("ICS game");
4349 gameInfo.site = StrSave(appData.icsHost);
4350 gameInfo.date = PGNDate();
4351 gameInfo.round = StrSave("-");
4352 gameInfo.white = StrSave(white);
4353 gameInfo.black = StrSave(black);
4354 timeControl = basetime * 60 * 1000;
4356 timeIncrement = increment * 1000;
4357 movesPerSession = 0;
4358 gameInfo.timeControl = TimeControlTagValue();
4359 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4360 if (appData.debugMode) {
4361 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4362 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4363 setbuf(debugFP, NULL);
4366 gameInfo.outOfBook = NULL;
4368 /* Do we have the ratings? */
4369 if (strcmp(player1Name, white) == 0 &&
4370 strcmp(player2Name, black) == 0) {
4371 if (appData.debugMode)
4372 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4373 player1Rating, player2Rating);
4374 gameInfo.whiteRating = player1Rating;
4375 gameInfo.blackRating = player2Rating;
4376 } else if (strcmp(player2Name, white) == 0 &&
4377 strcmp(player1Name, black) == 0) {
4378 if (appData.debugMode)
4379 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4380 player2Rating, player1Rating);
4381 gameInfo.whiteRating = player2Rating;
4382 gameInfo.blackRating = player1Rating;
4384 player1Name[0] = player2Name[0] = NULLCHAR;
4386 /* Silence shouts if requested */
4387 if (appData.quietPlay &&
4388 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4389 SendToICS(ics_prefix);
4390 SendToICS("set shout 0\n");
4394 /* Deal with midgame name changes */
4396 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4397 if (gameInfo.white) free(gameInfo.white);
4398 gameInfo.white = StrSave(white);
4400 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4401 if (gameInfo.black) free(gameInfo.black);
4402 gameInfo.black = StrSave(black);
4406 /* Throw away game result if anything actually changes in examine mode */
4407 if (gameMode == IcsExamining && !newGame) {
4408 gameInfo.result = GameUnfinished;
4409 if (gameInfo.resultDetails != NULL) {
4410 free(gameInfo.resultDetails);
4411 gameInfo.resultDetails = NULL;
4415 /* In pausing && IcsExamining mode, we ignore boards coming
4416 in if they are in a different variation than we are. */
4417 if (pauseExamInvalid) return;
4418 if (pausing && gameMode == IcsExamining) {
4419 if (moveNum <= pauseExamForwardMostMove) {
4420 pauseExamInvalid = TRUE;
4421 forwardMostMove = pauseExamForwardMostMove;
4426 if (appData.debugMode) {
4427 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4429 /* Parse the board */
4430 for (k = 0; k < ranks; k++) {
4431 for (j = 0; j < files; j++)
4432 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4433 if(gameInfo.holdingsWidth > 1) {
4434 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4435 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4438 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4439 board[5][BOARD_RGHT+1] = WhiteAngel;
4440 board[6][BOARD_RGHT+1] = WhiteMarshall;
4441 board[1][0] = BlackMarshall;
4442 board[2][0] = BlackAngel;
4443 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4445 CopyBoard(boards[moveNum], board);
4446 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4448 startedFromSetupPosition =
4449 !CompareBoards(board, initialPosition);
4450 if(startedFromSetupPosition)
4451 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4454 /* [HGM] Set castling rights. Take the outermost Rooks,
4455 to make it also work for FRC opening positions. Note that board12
4456 is really defective for later FRC positions, as it has no way to
4457 indicate which Rook can castle if they are on the same side of King.
4458 For the initial position we grant rights to the outermost Rooks,
4459 and remember thos rights, and we then copy them on positions
4460 later in an FRC game. This means WB might not recognize castlings with
4461 Rooks that have moved back to their original position as illegal,
4462 but in ICS mode that is not its job anyway.
4464 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4465 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4467 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4468 if(board[0][i] == WhiteRook) j = i;
4469 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4470 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4471 if(board[0][i] == WhiteRook) j = i;
4472 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4473 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4474 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4475 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4476 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4477 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4478 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4480 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4481 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4482 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4483 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4484 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4485 if(board[BOARD_HEIGHT-1][k] == bKing)
4486 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4487 if(gameInfo.variant == VariantTwoKings) {
4488 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4489 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4490 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4493 r = boards[moveNum][CASTLING][0] = initialRights[0];
4494 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4495 r = boards[moveNum][CASTLING][1] = initialRights[1];
4496 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4497 r = boards[moveNum][CASTLING][3] = initialRights[3];
4498 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4499 r = boards[moveNum][CASTLING][4] = initialRights[4];
4500 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4501 /* wildcastle kludge: always assume King has rights */
4502 r = boards[moveNum][CASTLING][2] = initialRights[2];
4503 r = boards[moveNum][CASTLING][5] = initialRights[5];
4505 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4506 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4509 if (ics_getting_history == H_GOT_REQ_HEADER ||
4510 ics_getting_history == H_GOT_UNREQ_HEADER) {
4511 /* This was an initial position from a move list, not
4512 the current position */
4516 /* Update currentMove and known move number limits */
4517 newMove = newGame || moveNum > forwardMostMove;
4520 forwardMostMove = backwardMostMove = currentMove = moveNum;
4521 if (gameMode == IcsExamining && moveNum == 0) {
4522 /* Workaround for ICS limitation: we are not told the wild
4523 type when starting to examine a game. But if we ask for
4524 the move list, the move list header will tell us */
4525 ics_getting_history = H_REQUESTED;
4526 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4529 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4530 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4532 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4533 /* [HGM] applied this also to an engine that is silently watching */
4534 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4535 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4536 gameInfo.variant == currentlyInitializedVariant) {
4537 takeback = forwardMostMove - moveNum;
4538 for (i = 0; i < takeback; i++) {
4539 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4540 SendToProgram("undo\n", &first);
4545 forwardMostMove = moveNum;
4546 if (!pausing || currentMove > forwardMostMove)
4547 currentMove = forwardMostMove;
4549 /* New part of history that is not contiguous with old part */
4550 if (pausing && gameMode == IcsExamining) {
4551 pauseExamInvalid = TRUE;
4552 forwardMostMove = pauseExamForwardMostMove;
4555 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4557 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4558 // [HGM] when we will receive the move list we now request, it will be
4559 // fed to the engine from the first move on. So if the engine is not
4560 // in the initial position now, bring it there.
4561 InitChessProgram(&first, 0);
4564 ics_getting_history = H_REQUESTED;
4565 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4568 forwardMostMove = backwardMostMove = currentMove = moveNum;
4571 /* Update the clocks */
4572 if (strchr(elapsed_time, '.')) {
4574 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4575 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4577 /* Time is in seconds */
4578 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4579 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4584 if (appData.zippyPlay && newGame &&
4585 gameMode != IcsObserving && gameMode != IcsIdle &&
4586 gameMode != IcsExamining)
4587 ZippyFirstBoard(moveNum, basetime, increment);
4590 /* Put the move on the move list, first converting
4591 to canonical algebraic form. */
4593 if (appData.debugMode) {
4594 if (appData.debugMode) { int f = forwardMostMove;
4595 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4596 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4597 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4599 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4600 fprintf(debugFP, "moveNum = %d\n", moveNum);
4601 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4602 setbuf(debugFP, NULL);
4604 if (moveNum <= backwardMostMove) {
4605 /* We don't know what the board looked like before
4607 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4608 strcat(parseList[moveNum - 1], " ");
4609 strcat(parseList[moveNum - 1], elapsed_time);
4610 moveList[moveNum - 1][0] = NULLCHAR;
4611 } else if (strcmp(move_str, "none") == 0) {
4612 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4613 /* Again, we don't know what the board looked like;
4614 this is really the start of the game. */
4615 parseList[moveNum - 1][0] = NULLCHAR;
4616 moveList[moveNum - 1][0] = NULLCHAR;
4617 backwardMostMove = moveNum;
4618 startedFromSetupPosition = TRUE;
4619 fromX = fromY = toX = toY = -1;
4621 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4622 // So we parse the long-algebraic move string in stead of the SAN move
4623 int valid; char buf[MSG_SIZ], *prom;
4625 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4626 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4627 // str looks something like "Q/a1-a2"; kill the slash
4629 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4630 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4631 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4632 strcat(buf, prom); // long move lacks promo specification!
4633 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4634 if(appData.debugMode)
4635 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4636 safeStrCpy(move_str, buf, MSG_SIZ);
4638 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4639 &fromX, &fromY, &toX, &toY, &promoChar)
4640 || ParseOneMove(buf, moveNum - 1, &moveType,
4641 &fromX, &fromY, &toX, &toY, &promoChar);
4642 // end of long SAN patch
4644 (void) CoordsToAlgebraic(boards[moveNum - 1],
4645 PosFlags(moveNum - 1),
4646 fromY, fromX, toY, toX, promoChar,
4647 parseList[moveNum-1]);
4648 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4654 if(gameInfo.variant != VariantShogi)
4655 strcat(parseList[moveNum - 1], "+");
4658 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4659 strcat(parseList[moveNum - 1], "#");
4662 strcat(parseList[moveNum - 1], " ");
4663 strcat(parseList[moveNum - 1], elapsed_time);
4664 /* currentMoveString is set as a side-effect of ParseOneMove */
4665 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4666 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4667 strcat(moveList[moveNum - 1], "\n");
4669 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4670 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4671 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4672 ChessSquare old, new = boards[moveNum][k][j];
4673 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4674 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4675 if(old == new) continue;
4676 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4677 else if(new == WhiteWazir || new == BlackWazir) {
4678 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4679 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4680 else boards[moveNum][k][j] = old; // preserve type of Gold
4681 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4682 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4685 /* Move from ICS was illegal!? Punt. */
4686 if (appData.debugMode) {
4687 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4688 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4690 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4691 strcat(parseList[moveNum - 1], " ");
4692 strcat(parseList[moveNum - 1], elapsed_time);
4693 moveList[moveNum - 1][0] = NULLCHAR;
4694 fromX = fromY = toX = toY = -1;
4697 if (appData.debugMode) {
4698 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4699 setbuf(debugFP, NULL);
4703 /* Send move to chess program (BEFORE animating it). */
4704 if (appData.zippyPlay && !newGame && newMove &&
4705 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4707 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4708 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4709 if (moveList[moveNum - 1][0] == NULLCHAR) {
4710 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4712 DisplayError(str, 0);
4714 if (first.sendTime) {
4715 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4717 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4718 if (firstMove && !bookHit) {
4720 if (first.useColors) {
4721 SendToProgram(gameMode == IcsPlayingWhite ?
4723 "black\ngo\n", &first);
4725 SendToProgram("go\n", &first);
4727 first.maybeThinking = TRUE;
4730 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4731 if (moveList[moveNum - 1][0] == NULLCHAR) {
4732 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4733 DisplayError(str, 0);
4735 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4736 SendMoveToProgram(moveNum - 1, &first);
4743 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4744 /* If move comes from a remote source, animate it. If it
4745 isn't remote, it will have already been animated. */
4746 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4747 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4749 if (!pausing && appData.highlightLastMove) {
4750 SetHighlights(fromX, fromY, toX, toY);
4754 /* Start the clocks */
4755 whiteFlag = blackFlag = FALSE;
4756 appData.clockMode = !(basetime == 0 && increment == 0);
4758 ics_clock_paused = TRUE;
4760 } else if (ticking == 1) {
4761 ics_clock_paused = FALSE;
4763 if (gameMode == IcsIdle ||
4764 relation == RELATION_OBSERVING_STATIC ||
4765 relation == RELATION_EXAMINING ||
4767 DisplayBothClocks();
4771 /* Display opponents and material strengths */
4772 if (gameInfo.variant != VariantBughouse &&
4773 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4774 if (tinyLayout || smallLayout) {
4775 if(gameInfo.variant == VariantNormal)
4776 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4777 gameInfo.white, white_stren, gameInfo.black, black_stren,
4778 basetime, increment);
4780 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4781 gameInfo.white, white_stren, gameInfo.black, black_stren,
4782 basetime, increment, (int) gameInfo.variant);
4784 if(gameInfo.variant == VariantNormal)
4785 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4786 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4787 basetime, increment);
4789 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4790 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4791 basetime, increment, VariantName(gameInfo.variant));
4794 if (appData.debugMode) {
4795 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4800 /* Display the board */
4801 if (!pausing && !appData.noGUI) {
4803 if (appData.premove)
4805 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4806 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4807 ClearPremoveHighlights();
4809 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4810 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4811 DrawPosition(j, boards[currentMove]);
4813 DisplayMove(moveNum - 1);
4814 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4815 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4816 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4817 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4821 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4823 if(bookHit) { // [HGM] book: simulate book reply
4824 static char bookMove[MSG_SIZ]; // a bit generous?
4826 programStats.nodes = programStats.depth = programStats.time =
4827 programStats.score = programStats.got_only_move = 0;
4828 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4830 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4831 strcat(bookMove, bookHit);
4832 HandleMachineMove(bookMove, &first);
4841 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4842 ics_getting_history = H_REQUESTED;
4843 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4849 AnalysisPeriodicEvent (int force)
4851 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4852 && !force) || !appData.periodicUpdates)
4855 /* Send . command to Crafty to collect stats */
4856 SendToProgram(".\n", &first);
4858 /* Don't send another until we get a response (this makes
4859 us stop sending to old Crafty's which don't understand
4860 the "." command (sending illegal cmds resets node count & time,
4861 which looks bad)) */
4862 programStats.ok_to_send = 0;
4866 ics_update_width (int new_width)
4868 ics_printf("set width %d\n", new_width);
4872 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4876 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4877 // null move in variant where engine does not understand it (for analysis purposes)
4878 SendBoard(cps, moveNum + 1); // send position after move in stead.
4881 if (cps->useUsermove) {
4882 SendToProgram("usermove ", cps);
4886 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4887 int len = space - parseList[moveNum];
4888 memcpy(buf, parseList[moveNum], len);
4890 buf[len] = NULLCHAR;
4892 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4894 SendToProgram(buf, cps);
4896 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4897 AlphaRank(moveList[moveNum], 4);
4898 SendToProgram(moveList[moveNum], cps);
4899 AlphaRank(moveList[moveNum], 4); // and back
4901 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4902 * the engine. It would be nice to have a better way to identify castle
4904 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4905 && cps->useOOCastle) {
4906 int fromX = moveList[moveNum][0] - AAA;
4907 int fromY = moveList[moveNum][1] - ONE;
4908 int toX = moveList[moveNum][2] - AAA;
4909 int toY = moveList[moveNum][3] - ONE;
4910 if((boards[moveNum][fromY][fromX] == WhiteKing
4911 && boards[moveNum][toY][toX] == WhiteRook)
4912 || (boards[moveNum][fromY][fromX] == BlackKing
4913 && boards[moveNum][toY][toX] == BlackRook)) {
4914 if(toX > fromX) SendToProgram("O-O\n", cps);
4915 else SendToProgram("O-O-O\n", cps);
4917 else SendToProgram(moveList[moveNum], cps);
4919 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4920 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4921 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4922 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4923 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4925 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4926 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4927 SendToProgram(buf, cps);
4929 else SendToProgram(moveList[moveNum], cps);
4930 /* End of additions by Tord */
4933 /* [HGM] setting up the opening has brought engine in force mode! */
4934 /* Send 'go' if we are in a mode where machine should play. */
4935 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4936 (gameMode == TwoMachinesPlay ||
4938 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4940 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4941 SendToProgram("go\n", cps);
4942 if (appData.debugMode) {
4943 fprintf(debugFP, "(extra)\n");
4946 setboardSpoiledMachineBlack = 0;
4950 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
4952 char user_move[MSG_SIZ];
4955 if(gameInfo.variant == VariantSChess && promoChar) {
4956 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4957 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4958 } else suffix[0] = NULLCHAR;
4962 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4963 (int)moveType, fromX, fromY, toX, toY);
4964 DisplayError(user_move + strlen("say "), 0);
4966 case WhiteKingSideCastle:
4967 case BlackKingSideCastle:
4968 case WhiteQueenSideCastleWild:
4969 case BlackQueenSideCastleWild:
4971 case WhiteHSideCastleFR:
4972 case BlackHSideCastleFR:
4974 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4976 case WhiteQueenSideCastle:
4977 case BlackQueenSideCastle:
4978 case WhiteKingSideCastleWild:
4979 case BlackKingSideCastleWild:
4981 case WhiteASideCastleFR:
4982 case BlackASideCastleFR:
4984 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
4986 case WhiteNonPromotion:
4987 case BlackNonPromotion:
4988 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4990 case WhitePromotion:
4991 case BlackPromotion:
4992 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4993 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4994 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4995 PieceToChar(WhiteFerz));
4996 else if(gameInfo.variant == VariantGreat)
4997 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4998 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4999 PieceToChar(WhiteMan));
5001 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5002 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5008 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5009 ToUpper(PieceToChar((ChessSquare) fromX)),
5010 AAA + toX, ONE + toY);
5012 case IllegalMove: /* could be a variant we don't quite understand */
5013 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5015 case WhiteCapturesEnPassant:
5016 case BlackCapturesEnPassant:
5017 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5018 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5021 SendToICS(user_move);
5022 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5023 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5028 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5029 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5030 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5031 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5032 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5035 if(gameMode != IcsExamining) { // is this ever not the case?
5036 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5038 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5039 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5040 } else { // on FICS we must first go to general examine mode
5041 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5043 if(gameInfo.variant != VariantNormal) {
5044 // try figure out wild number, as xboard names are not always valid on ICS
5045 for(i=1; i<=36; i++) {
5046 snprintf(buf, MSG_SIZ, "wild/%d", i);
5047 if(StringToVariant(buf) == gameInfo.variant) break;
5049 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5050 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5051 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5052 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5053 SendToICS(ics_prefix);
5055 if(startedFromSetupPosition || backwardMostMove != 0) {
5056 fen = PositionToFEN(backwardMostMove, NULL);
5057 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5058 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5060 } else { // FICS: everything has to set by separate bsetup commands
5061 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5062 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5064 if(!WhiteOnMove(backwardMostMove)) {
5065 SendToICS("bsetup tomove black\n");
5067 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5068 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5070 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5071 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5073 i = boards[backwardMostMove][EP_STATUS];
5074 if(i >= 0) { // set e.p.
5075 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5081 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5082 SendToICS("bsetup done\n"); // switch to normal examining.
5084 for(i = backwardMostMove; i<last; i++) {
5086 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5089 SendToICS(ics_prefix);
5090 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5094 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5096 if (rf == DROP_RANK) {
5097 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5098 sprintf(move, "%c@%c%c\n",
5099 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5101 if (promoChar == 'x' || promoChar == NULLCHAR) {
5102 sprintf(move, "%c%c%c%c\n",
5103 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5105 sprintf(move, "%c%c%c%c%c\n",
5106 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5112 ProcessICSInitScript (FILE *f)
5116 while (fgets(buf, MSG_SIZ, f)) {
5117 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5124 static int lastX, lastY, selectFlag, dragging;
5129 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5130 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5131 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5132 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5133 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5134 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5137 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5138 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5139 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5140 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5141 if(!step) step = -1;
5142 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5143 appData.testLegality && (promoSweep == king ||
5144 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5145 ChangeDragPiece(promoSweep);
5149 PromoScroll (int x, int y)
5153 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5154 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5155 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5156 if(!step) return FALSE;
5157 lastX = x; lastY = y;
5158 if((promoSweep < BlackPawn) == flipView) step = -step;
5159 if(step > 0) selectFlag = 1;
5160 if(!selectFlag) Sweep(step);
5165 NextPiece (int step)
5167 ChessSquare piece = boards[currentMove][toY][toX];
5170 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5171 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5172 if(!step) step = -1;
5173 } while(PieceToChar(pieceSweep) == '.');
5174 boards[currentMove][toY][toX] = pieceSweep;
5175 DrawPosition(FALSE, boards[currentMove]);
5176 boards[currentMove][toY][toX] = piece;
5178 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5180 AlphaRank (char *move, int n)
5182 // char *p = move, c; int x, y;
5184 if (appData.debugMode) {
5185 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5189 move[2]>='0' && move[2]<='9' &&
5190 move[3]>='a' && move[3]<='x' ) {
5192 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5193 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5195 if(move[0]>='0' && move[0]<='9' &&
5196 move[1]>='a' && move[1]<='x' &&
5197 move[2]>='0' && move[2]<='9' &&
5198 move[3]>='a' && move[3]<='x' ) {
5199 /* input move, Shogi -> normal */
5200 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5201 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5202 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5203 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5206 move[3]>='0' && move[3]<='9' &&
5207 move[2]>='a' && move[2]<='x' ) {
5209 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5210 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5213 move[0]>='a' && move[0]<='x' &&
5214 move[3]>='0' && move[3]<='9' &&
5215 move[2]>='a' && move[2]<='x' ) {
5216 /* output move, normal -> Shogi */
5217 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5218 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5219 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5220 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5221 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5223 if (appData.debugMode) {
5224 fprintf(debugFP, " out = '%s'\n", move);
5228 char yy_textstr[8000];
5230 /* Parser for moves from gnuchess, ICS, or user typein box */
5232 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5234 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5236 switch (*moveType) {
5237 case WhitePromotion:
5238 case BlackPromotion:
5239 case WhiteNonPromotion:
5240 case BlackNonPromotion:
5242 case WhiteCapturesEnPassant:
5243 case BlackCapturesEnPassant:
5244 case WhiteKingSideCastle:
5245 case WhiteQueenSideCastle:
5246 case BlackKingSideCastle:
5247 case BlackQueenSideCastle:
5248 case WhiteKingSideCastleWild:
5249 case WhiteQueenSideCastleWild:
5250 case BlackKingSideCastleWild:
5251 case BlackQueenSideCastleWild:
5252 /* Code added by Tord: */
5253 case WhiteHSideCastleFR:
5254 case WhiteASideCastleFR:
5255 case BlackHSideCastleFR:
5256 case BlackASideCastleFR:
5257 /* End of code added by Tord */
5258 case IllegalMove: /* bug or odd chess variant */
5259 *fromX = currentMoveString[0] - AAA;
5260 *fromY = currentMoveString[1] - ONE;
5261 *toX = currentMoveString[2] - AAA;
5262 *toY = currentMoveString[3] - ONE;
5263 *promoChar = currentMoveString[4];
5264 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5265 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5266 if (appData.debugMode) {
5267 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5269 *fromX = *fromY = *toX = *toY = 0;
5272 if (appData.testLegality) {
5273 return (*moveType != IllegalMove);
5275 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5276 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5281 *fromX = *moveType == WhiteDrop ?
5282 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5283 (int) CharToPiece(ToLower(currentMoveString[0]));
5285 *toX = currentMoveString[2] - AAA;
5286 *toY = currentMoveString[3] - ONE;
5287 *promoChar = NULLCHAR;
5291 case ImpossibleMove:
5301 if (appData.debugMode) {
5302 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5305 *fromX = *fromY = *toX = *toY = 0;
5306 *promoChar = NULLCHAR;
5311 Boolean pushed = FALSE;
5312 char *lastParseAttempt;
5315 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5316 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5317 int fromX, fromY, toX, toY; char promoChar;
5322 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5323 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5326 endPV = forwardMostMove;
5328 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5329 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5330 lastParseAttempt = pv;
5331 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5332 if(appData.debugMode){
5333 fprintf(debugFP,"parsePV: %d %c%c%c%c yy='%s'\nPV = '%s'\n", valid, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, yy_textstr, pv);
5335 if(!valid && nr == 0 &&
5336 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5337 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5338 // Hande case where played move is different from leading PV move
5339 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5340 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5341 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5342 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5343 endPV += 2; // if position different, keep this
5344 moveList[endPV-1][0] = fromX + AAA;
5345 moveList[endPV-1][1] = fromY + ONE;
5346 moveList[endPV-1][2] = toX + AAA;
5347 moveList[endPV-1][3] = toY + ONE;
5348 parseList[endPV-1][0] = NULLCHAR;
5349 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5352 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5353 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5354 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5355 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5356 valid++; // allow comments in PV
5360 if(endPV+1 > framePtr) break; // no space, truncate
5363 CopyBoard(boards[endPV], boards[endPV-1]);
5364 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5365 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5366 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5367 CoordsToAlgebraic(boards[endPV - 1],
5368 PosFlags(endPV - 1),
5369 fromY, fromX, toY, toX, promoChar,
5370 parseList[endPV - 1]);
5372 if(atEnd == 2) return; // used hidden, for PV conversion
5373 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5374 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5375 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5376 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5377 DrawPosition(TRUE, boards[currentMove]);
5381 MultiPV (ChessProgramState *cps)
5382 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5384 for(i=0; i<cps->nrOptions; i++)
5385 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5391 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5393 int startPV, multi, lineStart, origIndex = index;
5394 char *p, buf2[MSG_SIZ];
5396 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5397 lastX = x; lastY = y;
5398 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5399 lineStart = startPV = index;
5400 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5401 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5403 do{ while(buf[index] && buf[index] != '\n') index++;
5404 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5406 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5407 int n = first.option[multi].value;
5408 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5409 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5410 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5411 first.option[multi].value = n;
5415 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5416 *start = startPV; *end = index-1;
5423 static char buf[10*MSG_SIZ];
5424 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5426 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5427 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5428 for(i = forwardMostMove; i<endPV; i++){
5429 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5430 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5433 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5434 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5440 LoadPV (int x, int y)
5441 { // called on right mouse click to load PV
5442 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5443 lastX = x; lastY = y;
5444 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5451 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5452 if(endPV < 0) return;
5454 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5455 Boolean saveAnimate = appData.animate;
5457 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5458 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5459 } else storedGames--; // abandon shelved tail of original game
5462 forwardMostMove = currentMove;
5463 currentMove = oldFMM;
5464 appData.animate = FALSE;
5465 ToNrEvent(forwardMostMove);
5466 appData.animate = saveAnimate;
5468 currentMove = forwardMostMove;
5469 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5470 ClearPremoveHighlights();
5471 DrawPosition(TRUE, boards[currentMove]);
5475 MovePV (int x, int y, int h)
5476 { // step through PV based on mouse coordinates (called on mouse move)
5477 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5479 // we must somehow check if right button is still down (might be released off board!)
5480 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5481 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5482 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5484 lastX = x; lastY = y;
5486 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5487 if(endPV < 0) return;
5488 if(y < margin) step = 1; else
5489 if(y > h - margin) step = -1;
5490 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5491 currentMove += step;
5492 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5493 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5494 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5495 DrawPosition(FALSE, boards[currentMove]);
5499 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5500 // All positions will have equal probability, but the current method will not provide a unique
5501 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5507 int piecesLeft[(int)BlackPawn];
5508 int seed, nrOfShuffles;
5511 GetPositionNumber ()
5512 { // sets global variable seed
5515 seed = appData.defaultFrcPosition;
5516 if(seed < 0) { // randomize based on time for negative FRC position numbers
5517 for(i=0; i<50; i++) seed += random();
5518 seed = random() ^ random() >> 8 ^ random() << 8;
5519 if(seed<0) seed = -seed;
5524 put (Board board, int pieceType, int rank, int n, int shade)
5525 // put the piece on the (n-1)-th empty squares of the given shade
5529 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5530 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5531 board[rank][i] = (ChessSquare) pieceType;
5532 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5534 piecesLeft[pieceType]--;
5543 AddOnePiece (Board board, int pieceType, int rank, int shade)
5544 // calculate where the next piece goes, (any empty square), and put it there
5548 i = seed % squaresLeft[shade];
5549 nrOfShuffles *= squaresLeft[shade];
5550 seed /= squaresLeft[shade];
5551 put(board, pieceType, rank, i, shade);
5555 AddTwoPieces (Board board, int pieceType, int rank)
5556 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5558 int i, n=squaresLeft[ANY], j=n-1, k;
5560 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5561 i = seed % k; // pick one
5564 while(i >= j) i -= j--;
5565 j = n - 1 - j; i += j;
5566 put(board, pieceType, rank, j, ANY);
5567 put(board, pieceType, rank, i, ANY);
5571 SetUpShuffle (Board board, int number)
5575 GetPositionNumber(); nrOfShuffles = 1;
5577 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5578 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5579 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5581 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5583 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5584 p = (int) board[0][i];
5585 if(p < (int) BlackPawn) piecesLeft[p] ++;
5586 board[0][i] = EmptySquare;
5589 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5590 // shuffles restricted to allow normal castling put KRR first
5591 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5592 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5593 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5594 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5595 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5596 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5597 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5598 put(board, WhiteRook, 0, 0, ANY);
5599 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5602 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5603 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5604 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5605 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5606 while(piecesLeft[p] >= 2) {
5607 AddOnePiece(board, p, 0, LITE);
5608 AddOnePiece(board, p, 0, DARK);
5610 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5613 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5614 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5615 // but we leave King and Rooks for last, to possibly obey FRC restriction
5616 if(p == (int)WhiteRook) continue;
5617 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5618 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5621 // now everything is placed, except perhaps King (Unicorn) and Rooks
5623 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5624 // Last King gets castling rights
5625 while(piecesLeft[(int)WhiteUnicorn]) {
5626 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5627 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5630 while(piecesLeft[(int)WhiteKing]) {
5631 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5632 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5637 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5638 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5641 // Only Rooks can be left; simply place them all
5642 while(piecesLeft[(int)WhiteRook]) {
5643 i = put(board, WhiteRook, 0, 0, ANY);
5644 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5647 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5649 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5652 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5653 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5656 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5660 SetCharTable (char *table, const char * map)
5661 /* [HGM] moved here from winboard.c because of its general usefulness */
5662 /* Basically a safe strcpy that uses the last character as King */
5664 int result = FALSE; int NrPieces;
5666 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5667 && NrPieces >= 12 && !(NrPieces&1)) {
5668 int i; /* [HGM] Accept even length from 12 to 34 */
5670 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5671 for( i=0; i<NrPieces/2-1; i++ ) {
5673 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5675 table[(int) WhiteKing] = map[NrPieces/2-1];
5676 table[(int) BlackKing] = map[NrPieces-1];
5685 Prelude (Board board)
5686 { // [HGM] superchess: random selection of exo-pieces
5687 int i, j, k; ChessSquare p;
5688 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5690 GetPositionNumber(); // use FRC position number
5692 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5693 SetCharTable(pieceToChar, appData.pieceToCharTable);
5694 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5695 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5698 j = seed%4; seed /= 4;
5699 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5700 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5701 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5702 j = seed%3 + (seed%3 >= j); seed /= 3;
5703 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5704 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5705 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5706 j = seed%3; seed /= 3;
5707 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5708 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5709 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5710 j = seed%2 + (seed%2 >= j); seed /= 2;
5711 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5712 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5713 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5714 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5715 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5716 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5717 put(board, exoPieces[0], 0, 0, ANY);
5718 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5722 InitPosition (int redraw)
5724 ChessSquare (* pieces)[BOARD_FILES];
5725 int i, j, pawnRow, overrule,
5726 oldx = gameInfo.boardWidth,
5727 oldy = gameInfo.boardHeight,
5728 oldh = gameInfo.holdingsWidth;
5731 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5733 /* [AS] Initialize pv info list [HGM] and game status */
5735 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5736 pvInfoList[i].depth = 0;
5737 boards[i][EP_STATUS] = EP_NONE;
5738 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5741 initialRulePlies = 0; /* 50-move counter start */
5743 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5744 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5748 /* [HGM] logic here is completely changed. In stead of full positions */
5749 /* the initialized data only consist of the two backranks. The switch */
5750 /* selects which one we will use, which is than copied to the Board */
5751 /* initialPosition, which for the rest is initialized by Pawns and */
5752 /* empty squares. This initial position is then copied to boards[0], */
5753 /* possibly after shuffling, so that it remains available. */
5755 gameInfo.holdingsWidth = 0; /* default board sizes */
5756 gameInfo.boardWidth = 8;
5757 gameInfo.boardHeight = 8;
5758 gameInfo.holdingsSize = 0;
5759 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5760 for(i=0; i<BOARD_FILES-2; i++)
5761 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5762 initialPosition[EP_STATUS] = EP_NONE;
5763 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5764 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5765 SetCharTable(pieceNickName, appData.pieceNickNames);
5766 else SetCharTable(pieceNickName, "............");
5769 switch (gameInfo.variant) {
5770 case VariantFischeRandom:
5771 shuffleOpenings = TRUE;
5774 case VariantShatranj:
5775 pieces = ShatranjArray;
5776 nrCastlingRights = 0;
5777 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5780 pieces = makrukArray;
5781 nrCastlingRights = 0;
5782 startedFromSetupPosition = TRUE;
5783 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5785 case VariantTwoKings:
5786 pieces = twoKingsArray;
5789 pieces = GrandArray;
5790 nrCastlingRights = 0;
5791 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5792 gameInfo.boardWidth = 10;
5793 gameInfo.boardHeight = 10;
5794 gameInfo.holdingsSize = 7;
5796 case VariantCapaRandom:
5797 shuffleOpenings = TRUE;
5798 case VariantCapablanca:
5799 pieces = CapablancaArray;
5800 gameInfo.boardWidth = 10;
5801 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5804 pieces = GothicArray;
5805 gameInfo.boardWidth = 10;
5806 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5809 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5810 gameInfo.holdingsSize = 7;
5813 pieces = JanusArray;
5814 gameInfo.boardWidth = 10;
5815 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5816 nrCastlingRights = 6;
5817 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5818 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5819 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5820 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5821 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5822 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5825 pieces = FalconArray;
5826 gameInfo.boardWidth = 10;
5827 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5829 case VariantXiangqi:
5830 pieces = XiangqiArray;
5831 gameInfo.boardWidth = 9;
5832 gameInfo.boardHeight = 10;
5833 nrCastlingRights = 0;
5834 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5837 pieces = ShogiArray;
5838 gameInfo.boardWidth = 9;
5839 gameInfo.boardHeight = 9;
5840 gameInfo.holdingsSize = 7;
5841 nrCastlingRights = 0;
5842 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5844 case VariantCourier:
5845 pieces = CourierArray;
5846 gameInfo.boardWidth = 12;
5847 nrCastlingRights = 0;
5848 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5850 case VariantKnightmate:
5851 pieces = KnightmateArray;
5852 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5854 case VariantSpartan:
5855 pieces = SpartanArray;
5856 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5859 pieces = fairyArray;
5860 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5863 pieces = GreatArray;
5864 gameInfo.boardWidth = 10;
5865 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5866 gameInfo.holdingsSize = 8;
5870 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5871 gameInfo.holdingsSize = 8;
5872 startedFromSetupPosition = TRUE;
5874 case VariantCrazyhouse:
5875 case VariantBughouse:
5877 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5878 gameInfo.holdingsSize = 5;
5880 case VariantWildCastle:
5882 /* !!?shuffle with kings guaranteed to be on d or e file */
5883 shuffleOpenings = 1;
5885 case VariantNoCastle:
5887 nrCastlingRights = 0;
5888 /* !!?unconstrained back-rank shuffle */
5889 shuffleOpenings = 1;
5894 if(appData.NrFiles >= 0) {
5895 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5896 gameInfo.boardWidth = appData.NrFiles;
5898 if(appData.NrRanks >= 0) {
5899 gameInfo.boardHeight = appData.NrRanks;
5901 if(appData.holdingsSize >= 0) {
5902 i = appData.holdingsSize;
5903 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5904 gameInfo.holdingsSize = i;
5906 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5907 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5908 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5910 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5911 if(pawnRow < 1) pawnRow = 1;
5912 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5914 /* User pieceToChar list overrules defaults */
5915 if(appData.pieceToCharTable != NULL)
5916 SetCharTable(pieceToChar, appData.pieceToCharTable);
5918 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5920 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5921 s = (ChessSquare) 0; /* account holding counts in guard band */
5922 for( i=0; i<BOARD_HEIGHT; i++ )
5923 initialPosition[i][j] = s;
5925 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5926 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5927 initialPosition[pawnRow][j] = WhitePawn;
5928 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5929 if(gameInfo.variant == VariantXiangqi) {
5931 initialPosition[pawnRow][j] =
5932 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5933 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5934 initialPosition[2][j] = WhiteCannon;
5935 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5939 if(gameInfo.variant == VariantGrand) {
5940 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5941 initialPosition[0][j] = WhiteRook;
5942 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5945 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5947 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5950 initialPosition[1][j] = WhiteBishop;
5951 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5953 initialPosition[1][j] = WhiteRook;
5954 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5957 if( nrCastlingRights == -1) {
5958 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5959 /* This sets default castling rights from none to normal corners */
5960 /* Variants with other castling rights must set them themselves above */
5961 nrCastlingRights = 6;
5963 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5964 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5965 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5966 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5967 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5968 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5971 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5972 if(gameInfo.variant == VariantGreat) { // promotion commoners
5973 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5974 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5975 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5976 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5978 if( gameInfo.variant == VariantSChess ) {
5979 initialPosition[1][0] = BlackMarshall;
5980 initialPosition[2][0] = BlackAngel;
5981 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5982 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5983 initialPosition[1][1] = initialPosition[2][1] =
5984 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5986 if (appData.debugMode) {
5987 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5989 if(shuffleOpenings) {
5990 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5991 startedFromSetupPosition = TRUE;
5993 if(startedFromPositionFile) {
5994 /* [HGM] loadPos: use PositionFile for every new game */
5995 CopyBoard(initialPosition, filePosition);
5996 for(i=0; i<nrCastlingRights; i++)
5997 initialRights[i] = filePosition[CASTLING][i];
5998 startedFromSetupPosition = TRUE;
6001 CopyBoard(boards[0], initialPosition);
6003 if(oldx != gameInfo.boardWidth ||
6004 oldy != gameInfo.boardHeight ||
6005 oldv != gameInfo.variant ||
6006 oldh != gameInfo.holdingsWidth
6008 InitDrawingSizes(-2 ,0);
6010 oldv = gameInfo.variant;
6012 DrawPosition(TRUE, boards[currentMove]);
6016 SendBoard (ChessProgramState *cps, int moveNum)
6018 char message[MSG_SIZ];
6020 if (cps->useSetboard) {
6021 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6022 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6023 SendToProgram(message, cps);
6028 int i, j, left=0, right=BOARD_WIDTH;
6029 /* Kludge to set black to move, avoiding the troublesome and now
6030 * deprecated "black" command.
6032 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6033 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6035 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6037 SendToProgram("edit\n", cps);
6038 SendToProgram("#\n", cps);
6039 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6040 bp = &boards[moveNum][i][left];
6041 for (j = left; j < right; j++, bp++) {
6042 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6043 if ((int) *bp < (int) BlackPawn) {
6044 if(j == BOARD_RGHT+1)
6045 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6046 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6047 if(message[0] == '+' || message[0] == '~') {
6048 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6049 PieceToChar((ChessSquare)(DEMOTED *bp)),
6052 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6053 message[1] = BOARD_RGHT - 1 - j + '1';
6054 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6056 SendToProgram(message, cps);
6061 SendToProgram("c\n", cps);
6062 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6063 bp = &boards[moveNum][i][left];
6064 for (j = left; j < right; j++, bp++) {
6065 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6066 if (((int) *bp != (int) EmptySquare)
6067 && ((int) *bp >= (int) BlackPawn)) {
6068 if(j == BOARD_LEFT-2)
6069 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6070 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6072 if(message[0] == '+' || message[0] == '~') {
6073 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6074 PieceToChar((ChessSquare)(DEMOTED *bp)),
6077 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6078 message[1] = BOARD_RGHT - 1 - j + '1';
6079 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6081 SendToProgram(message, cps);
6086 SendToProgram(".\n", cps);
6088 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6092 DefaultPromoChoice (int white)
6095 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6096 result = WhiteFerz; // no choice
6097 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6098 result= WhiteKing; // in Suicide Q is the last thing we want
6099 else if(gameInfo.variant == VariantSpartan)
6100 result = white ? WhiteQueen : WhiteAngel;
6101 else result = WhiteQueen;
6102 if(!white) result = WHITE_TO_BLACK result;
6106 static int autoQueen; // [HGM] oneclick
6109 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6111 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6112 /* [HGM] add Shogi promotions */
6113 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6118 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6119 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6121 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6122 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6125 piece = boards[currentMove][fromY][fromX];
6126 if(gameInfo.variant == VariantShogi) {
6127 promotionZoneSize = BOARD_HEIGHT/3;
6128 highestPromotingPiece = (int)WhiteFerz;
6129 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6130 promotionZoneSize = 3;
6133 // Treat Lance as Pawn when it is not representing Amazon
6134 if(gameInfo.variant != VariantSuper) {
6135 if(piece == WhiteLance) piece = WhitePawn; else
6136 if(piece == BlackLance) piece = BlackPawn;
6139 // next weed out all moves that do not touch the promotion zone at all
6140 if((int)piece >= BlackPawn) {
6141 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6143 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6145 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6146 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6149 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6151 // weed out mandatory Shogi promotions
6152 if(gameInfo.variant == VariantShogi) {
6153 if(piece >= BlackPawn) {
6154 if(toY == 0 && piece == BlackPawn ||
6155 toY == 0 && piece == BlackQueen ||
6156 toY <= 1 && piece == BlackKnight) {
6161 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6162 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6163 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6170 // weed out obviously illegal Pawn moves
6171 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6172 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6173 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6174 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6175 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6176 // note we are not allowed to test for valid (non-)capture, due to premove
6179 // we either have a choice what to promote to, or (in Shogi) whether to promote
6180 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6181 *promoChoice = PieceToChar(BlackFerz); // no choice
6184 // no sense asking what we must promote to if it is going to explode...
6185 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6186 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6189 // give caller the default choice even if we will not make it
6190 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6191 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6192 if( sweepSelect && gameInfo.variant != VariantGreat
6193 && gameInfo.variant != VariantGrand
6194 && gameInfo.variant != VariantSuper) return FALSE;
6195 if(autoQueen) return FALSE; // predetermined
6197 // suppress promotion popup on illegal moves that are not premoves
6198 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6199 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6200 if(appData.testLegality && !premove) {
6201 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6202 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6203 if(moveType != WhitePromotion && moveType != BlackPromotion)
6211 InPalace (int row, int column)
6212 { /* [HGM] for Xiangqi */
6213 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6214 column < (BOARD_WIDTH + 4)/2 &&
6215 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6220 PieceForSquare (int x, int y)
6222 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6225 return boards[currentMove][y][x];
6229 OKToStartUserMove (int x, int y)
6231 ChessSquare from_piece;
6234 if (matchMode) return FALSE;
6235 if (gameMode == EditPosition) return TRUE;
6237 if (x >= 0 && y >= 0)
6238 from_piece = boards[currentMove][y][x];
6240 from_piece = EmptySquare;
6242 if (from_piece == EmptySquare) return FALSE;
6244 white_piece = (int)from_piece >= (int)WhitePawn &&
6245 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6249 case TwoMachinesPlay:
6257 case MachinePlaysWhite:
6258 case IcsPlayingBlack:
6259 if (appData.zippyPlay) return FALSE;
6261 DisplayMoveError(_("You are playing Black"));
6266 case MachinePlaysBlack:
6267 case IcsPlayingWhite:
6268 if (appData.zippyPlay) return FALSE;
6270 DisplayMoveError(_("You are playing White"));
6275 case PlayFromGameFile:
6276 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6278 if (!white_piece && WhiteOnMove(currentMove)) {
6279 DisplayMoveError(_("It is White's turn"));
6282 if (white_piece && !WhiteOnMove(currentMove)) {
6283 DisplayMoveError(_("It is Black's turn"));
6286 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6287 /* Editing correspondence game history */
6288 /* Could disallow this or prompt for confirmation */
6293 case BeginningOfGame:
6294 if (appData.icsActive) return FALSE;
6295 if (!appData.noChessProgram) {
6297 DisplayMoveError(_("You are playing White"));
6304 if (!white_piece && WhiteOnMove(currentMove)) {
6305 DisplayMoveError(_("It is White's turn"));
6308 if (white_piece && !WhiteOnMove(currentMove)) {
6309 DisplayMoveError(_("It is Black's turn"));
6318 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6319 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6320 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6321 && gameMode != AnalyzeFile && gameMode != Training) {
6322 DisplayMoveError(_("Displayed position is not current"));
6329 OnlyMove (int *x, int *y, Boolean captures)
6331 DisambiguateClosure cl;
6332 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6334 case MachinePlaysBlack:
6335 case IcsPlayingWhite:
6336 case BeginningOfGame:
6337 if(!WhiteOnMove(currentMove)) return FALSE;
6339 case MachinePlaysWhite:
6340 case IcsPlayingBlack:
6341 if(WhiteOnMove(currentMove)) return FALSE;
6348 cl.pieceIn = EmptySquare;
6353 cl.promoCharIn = NULLCHAR;
6354 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6355 if( cl.kind == NormalMove ||
6356 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6357 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6358 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6365 if(cl.kind != ImpossibleMove) return FALSE;
6366 cl.pieceIn = EmptySquare;
6371 cl.promoCharIn = NULLCHAR;
6372 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6373 if( cl.kind == NormalMove ||
6374 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6375 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6376 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6381 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6387 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6388 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6389 int lastLoadGameUseList = FALSE;
6390 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6391 ChessMove lastLoadGameStart = EndOfFile;
6394 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6397 ChessSquare pdown, pup;
6399 /* Check if the user is playing in turn. This is complicated because we
6400 let the user "pick up" a piece before it is his turn. So the piece he
6401 tried to pick up may have been captured by the time he puts it down!
6402 Therefore we use the color the user is supposed to be playing in this
6403 test, not the color of the piece that is currently on the starting
6404 square---except in EditGame mode, where the user is playing both
6405 sides; fortunately there the capture race can't happen. (It can
6406 now happen in IcsExamining mode, but that's just too bad. The user
6407 will get a somewhat confusing message in that case.)
6412 case TwoMachinesPlay:
6416 /* We switched into a game mode where moves are not accepted,
6417 perhaps while the mouse button was down. */
6420 case MachinePlaysWhite:
6421 /* User is moving for Black */
6422 if (WhiteOnMove(currentMove)) {
6423 DisplayMoveError(_("It is White's turn"));
6428 case MachinePlaysBlack:
6429 /* User is moving for White */
6430 if (!WhiteOnMove(currentMove)) {
6431 DisplayMoveError(_("It is Black's turn"));
6436 case PlayFromGameFile:
6437 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6440 case BeginningOfGame:
6443 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6444 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6445 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6446 /* User is moving for Black */
6447 if (WhiteOnMove(currentMove)) {
6448 DisplayMoveError(_("It is White's turn"));
6452 /* User is moving for White */
6453 if (!WhiteOnMove(currentMove)) {
6454 DisplayMoveError(_("It is Black's turn"));
6460 case IcsPlayingBlack:
6461 /* User is moving for Black */
6462 if (WhiteOnMove(currentMove)) {
6463 if (!appData.premove) {
6464 DisplayMoveError(_("It is White's turn"));
6465 } else if (toX >= 0 && toY >= 0) {
6468 premoveFromX = fromX;
6469 premoveFromY = fromY;
6470 premovePromoChar = promoChar;
6472 if (appData.debugMode)
6473 fprintf(debugFP, "Got premove: fromX %d,"
6474 "fromY %d, toX %d, toY %d\n",
6475 fromX, fromY, toX, toY);
6481 case IcsPlayingWhite:
6482 /* User is moving for White */
6483 if (!WhiteOnMove(currentMove)) {
6484 if (!appData.premove) {
6485 DisplayMoveError(_("It is Black's turn"));
6486 } else if (toX >= 0 && toY >= 0) {
6489 premoveFromX = fromX;
6490 premoveFromY = fromY;
6491 premovePromoChar = promoChar;
6493 if (appData.debugMode)
6494 fprintf(debugFP, "Got premove: fromX %d,"
6495 "fromY %d, toX %d, toY %d\n",
6496 fromX, fromY, toX, toY);
6506 /* EditPosition, empty square, or different color piece;
6507 click-click move is possible */
6508 if (toX == -2 || toY == -2) {
6509 boards[0][fromY][fromX] = EmptySquare;
6510 DrawPosition(FALSE, boards[currentMove]);
6512 } else if (toX >= 0 && toY >= 0) {
6513 boards[0][toY][toX] = boards[0][fromY][fromX];
6514 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6515 if(boards[0][fromY][0] != EmptySquare) {
6516 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6517 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6520 if(fromX == BOARD_RGHT+1) {
6521 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6522 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6523 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6526 boards[0][fromY][fromX] = EmptySquare;
6527 DrawPosition(FALSE, boards[currentMove]);
6533 if(toX < 0 || toY < 0) return;
6534 pdown = boards[currentMove][fromY][fromX];
6535 pup = boards[currentMove][toY][toX];
6537 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6538 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6539 if( pup != EmptySquare ) return;
6540 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6541 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6542 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6543 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6544 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6545 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6546 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6550 /* [HGM] always test for legality, to get promotion info */
6551 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6552 fromY, fromX, toY, toX, promoChar);
6554 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6556 /* [HGM] but possibly ignore an IllegalMove result */
6557 if (appData.testLegality) {
6558 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6559 DisplayMoveError(_("Illegal move"));
6564 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6567 /* Common tail of UserMoveEvent and DropMenuEvent */
6569 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6573 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6574 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6575 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6576 if(WhiteOnMove(currentMove)) {
6577 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6579 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6583 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6584 move type in caller when we know the move is a legal promotion */
6585 if(moveType == NormalMove && promoChar)
6586 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6588 /* [HGM] <popupFix> The following if has been moved here from
6589 UserMoveEvent(). Because it seemed to belong here (why not allow
6590 piece drops in training games?), and because it can only be
6591 performed after it is known to what we promote. */
6592 if (gameMode == Training) {
6593 /* compare the move played on the board to the next move in the
6594 * game. If they match, display the move and the opponent's response.
6595 * If they don't match, display an error message.
6599 CopyBoard(testBoard, boards[currentMove]);
6600 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6602 if (CompareBoards(testBoard, boards[currentMove+1])) {
6603 ForwardInner(currentMove+1);
6605 /* Autoplay the opponent's response.
6606 * if appData.animate was TRUE when Training mode was entered,
6607 * the response will be animated.
6609 saveAnimate = appData.animate;
6610 appData.animate = animateTraining;
6611 ForwardInner(currentMove+1);
6612 appData.animate = saveAnimate;
6614 /* check for the end of the game */
6615 if (currentMove >= forwardMostMove) {
6616 gameMode = PlayFromGameFile;
6618 SetTrainingModeOff();
6619 DisplayInformation(_("End of game"));
6622 DisplayError(_("Incorrect move"), 0);
6627 /* Ok, now we know that the move is good, so we can kill
6628 the previous line in Analysis Mode */
6629 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6630 && currentMove < forwardMostMove) {
6631 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6632 else forwardMostMove = currentMove;
6635 /* If we need the chess program but it's dead, restart it */
6636 ResurrectChessProgram();
6638 /* A user move restarts a paused game*/
6642 thinkOutput[0] = NULLCHAR;
6644 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6646 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6647 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6651 if (gameMode == BeginningOfGame) {
6652 if (appData.noChessProgram) {
6653 gameMode = EditGame;
6657 gameMode = MachinePlaysBlack;
6660 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6662 if (first.sendName) {
6663 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6664 SendToProgram(buf, &first);
6671 /* Relay move to ICS or chess engine */
6672 if (appData.icsActive) {
6673 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6674 gameMode == IcsExamining) {
6675 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6676 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6678 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6680 // also send plain move, in case ICS does not understand atomic claims
6681 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6685 if (first.sendTime && (gameMode == BeginningOfGame ||
6686 gameMode == MachinePlaysWhite ||
6687 gameMode == MachinePlaysBlack)) {
6688 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6690 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6691 // [HGM] book: if program might be playing, let it use book
6692 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6693 first.maybeThinking = TRUE;
6694 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6695 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6696 SendBoard(&first, currentMove+1);
6697 } else SendMoveToProgram(forwardMostMove-1, &first);
6698 if (currentMove == cmailOldMove + 1) {
6699 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6703 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6707 if(appData.testLegality)
6708 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6714 if (WhiteOnMove(currentMove)) {
6715 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6717 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6721 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6726 case MachinePlaysBlack:
6727 case MachinePlaysWhite:
6728 /* disable certain menu options while machine is thinking */
6729 SetMachineThinkingEnables();
6736 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6737 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6739 if(bookHit) { // [HGM] book: simulate book reply
6740 static char bookMove[MSG_SIZ]; // a bit generous?
6742 programStats.nodes = programStats.depth = programStats.time =
6743 programStats.score = programStats.got_only_move = 0;
6744 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6746 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6747 strcat(bookMove, bookHit);
6748 HandleMachineMove(bookMove, &first);
6754 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6756 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6757 Markers *m = (Markers *) closure;
6758 if(rf == fromY && ff == fromX)
6759 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6760 || kind == WhiteCapturesEnPassant
6761 || kind == BlackCapturesEnPassant);
6762 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6766 MarkTargetSquares (int clear)
6769 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6770 !appData.testLegality || gameMode == EditPosition) return;
6772 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6775 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6776 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6777 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6779 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6782 DrawPosition(TRUE, NULL);
6786 Explode (Board board, int fromX, int fromY, int toX, int toY)
6788 if(gameInfo.variant == VariantAtomic &&
6789 (board[toY][toX] != EmptySquare || // capture?
6790 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6791 board[fromY][fromX] == BlackPawn )
6793 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6799 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6802 CanPromote (ChessSquare piece, int y)
6804 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6805 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6806 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6807 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6808 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6809 gameInfo.variant == VariantMakruk) return FALSE;
6810 return (piece == BlackPawn && y == 1 ||
6811 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6812 piece == BlackLance && y == 1 ||
6813 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6817 LeftClick (ClickType clickType, int xPix, int yPix)
6820 Boolean saveAnimate;
6821 static int second = 0, promotionChoice = 0, clearFlag = 0;
6822 char promoChoice = NULLCHAR;
6825 if(appData.seekGraph && appData.icsActive && loggedOn &&
6826 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6827 SeekGraphClick(clickType, xPix, yPix, 0);
6831 if (clickType == Press) ErrorPopDown();
6833 x = EventToSquare(xPix, BOARD_WIDTH);
6834 y = EventToSquare(yPix, BOARD_HEIGHT);
6835 if (!flipView && y >= 0) {
6836 y = BOARD_HEIGHT - 1 - y;
6838 if (flipView && x >= 0) {
6839 x = BOARD_WIDTH - 1 - x;
6842 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6843 defaultPromoChoice = promoSweep;
6844 promoSweep = EmptySquare; // terminate sweep
6845 promoDefaultAltered = TRUE;
6846 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6849 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6850 if(clickType == Release) return; // ignore upclick of click-click destination
6851 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6852 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6853 if(gameInfo.holdingsWidth &&
6854 (WhiteOnMove(currentMove)
6855 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6856 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6857 // click in right holdings, for determining promotion piece
6858 ChessSquare p = boards[currentMove][y][x];
6859 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6860 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6861 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6862 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6867 DrawPosition(FALSE, boards[currentMove]);
6871 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6872 if(clickType == Press
6873 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6874 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6875 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6878 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6879 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6881 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6882 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6883 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6884 defaultPromoChoice = DefaultPromoChoice(side);
6887 autoQueen = appData.alwaysPromoteToQueen;
6891 gatingPiece = EmptySquare;
6892 if (clickType != Press) {
6893 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6894 DragPieceEnd(xPix, yPix); dragging = 0;
6895 DrawPosition(FALSE, NULL);
6899 fromX = x; fromY = y; toX = toY = -1;
6900 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6901 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6902 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6904 if (OKToStartUserMove(fromX, fromY)) {
6906 MarkTargetSquares(0);
6907 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6908 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6909 promoSweep = defaultPromoChoice;
6910 selectFlag = 0; lastX = xPix; lastY = yPix;
6911 Sweep(0); // Pawn that is going to promote: preview promotion piece
6912 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6914 if (appData.highlightDragging) {
6915 SetHighlights(fromX, fromY, -1, -1);
6917 } else fromX = fromY = -1;
6923 if (clickType == Press && gameMode != EditPosition) {
6928 // ignore off-board to clicks
6929 if(y < 0 || x < 0) return;
6931 /* Check if clicking again on the same color piece */
6932 fromP = boards[currentMove][fromY][fromX];
6933 toP = boards[currentMove][y][x];
6934 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6935 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6936 WhitePawn <= toP && toP <= WhiteKing &&
6937 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6938 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6939 (BlackPawn <= fromP && fromP <= BlackKing &&
6940 BlackPawn <= toP && toP <= BlackKing &&
6941 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6942 !(fromP == BlackKing && toP == BlackRook && frc))) {
6943 /* Clicked again on same color piece -- changed his mind */
6944 second = (x == fromX && y == fromY);
6945 promoDefaultAltered = FALSE;
6946 MarkTargetSquares(1);
6947 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6948 if (appData.highlightDragging) {
6949 SetHighlights(x, y, -1, -1);
6953 if (OKToStartUserMove(x, y)) {
6954 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6955 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6956 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6957 gatingPiece = boards[currentMove][fromY][fromX];
6958 else gatingPiece = EmptySquare;
6960 fromY = y; dragging = 1;
6961 MarkTargetSquares(0);
6962 DragPieceBegin(xPix, yPix, FALSE);
6963 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6964 promoSweep = defaultPromoChoice;
6965 selectFlag = 0; lastX = xPix; lastY = yPix;
6966 Sweep(0); // Pawn that is going to promote: preview promotion piece
6970 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6973 // ignore clicks on holdings
6974 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6977 if (clickType == Release && x == fromX && y == fromY) {
6978 DragPieceEnd(xPix, yPix); dragging = 0;
6980 // a deferred attempt to click-click move an empty square on top of a piece
6981 boards[currentMove][y][x] = EmptySquare;
6983 DrawPosition(FALSE, boards[currentMove]);
6984 fromX = fromY = -1; clearFlag = 0;
6987 if (appData.animateDragging) {
6988 /* Undo animation damage if any */
6989 DrawPosition(FALSE, NULL);
6992 /* Second up/down in same square; just abort move */
6995 gatingPiece = EmptySquare;
6998 ClearPremoveHighlights();
7000 /* First upclick in same square; start click-click mode */
7001 SetHighlights(x, y, -1, -1);
7008 /* we now have a different from- and (possibly off-board) to-square */
7009 /* Completed move */
7012 saveAnimate = appData.animate;
7013 MarkTargetSquares(1);
7014 if (clickType == Press) {
7015 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7016 // must be Edit Position mode with empty-square selected
7017 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7018 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7021 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7022 ChessSquare piece = boards[currentMove][fromY][fromX];
7023 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7024 promoSweep = defaultPromoChoice;
7025 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7026 selectFlag = 0; lastX = xPix; lastY = yPix;
7027 Sweep(0); // Pawn that is going to promote: preview promotion piece
7028 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7029 DrawPosition(FALSE, boards[currentMove]);
7032 /* Finish clickclick move */
7033 if (appData.animate || appData.highlightLastMove) {
7034 SetHighlights(fromX, fromY, toX, toY);
7039 /* Finish drag move */
7040 if (appData.highlightLastMove) {
7041 SetHighlights(fromX, fromY, toX, toY);
7045 DragPieceEnd(xPix, yPix); dragging = 0;
7046 /* Don't animate move and drag both */
7047 appData.animate = FALSE;
7050 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7051 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7052 ChessSquare piece = boards[currentMove][fromY][fromX];
7053 if(gameMode == EditPosition && piece != EmptySquare &&
7054 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7057 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7058 n = PieceToNumber(piece - (int)BlackPawn);
7059 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7060 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7061 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7063 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7064 n = PieceToNumber(piece);
7065 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7066 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7067 boards[currentMove][n][BOARD_WIDTH-2]++;
7069 boards[currentMove][fromY][fromX] = EmptySquare;
7073 DrawPosition(TRUE, boards[currentMove]);
7077 // off-board moves should not be highlighted
7078 if(x < 0 || y < 0) ClearHighlights();
7080 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7082 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7083 SetHighlights(fromX, fromY, toX, toY);
7084 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7085 // [HGM] super: promotion to captured piece selected from holdings
7086 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7087 promotionChoice = TRUE;
7088 // kludge follows to temporarily execute move on display, without promoting yet
7089 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7090 boards[currentMove][toY][toX] = p;
7091 DrawPosition(FALSE, boards[currentMove]);
7092 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7093 boards[currentMove][toY][toX] = q;
7094 DisplayMessage("Click in holdings to choose piece", "");
7099 int oldMove = currentMove;
7100 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7101 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7102 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7103 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7104 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7105 DrawPosition(TRUE, boards[currentMove]);
7108 appData.animate = saveAnimate;
7109 if (appData.animate || appData.animateDragging) {
7110 /* Undo animation damage if needed */
7111 DrawPosition(FALSE, NULL);
7116 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7117 { // front-end-free part taken out of PieceMenuPopup
7118 int whichMenu; int xSqr, ySqr;
7120 if(seekGraphUp) { // [HGM] seekgraph
7121 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7122 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7126 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7127 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7128 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7129 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7130 if(action == Press) {
7131 originalFlip = flipView;
7132 flipView = !flipView; // temporarily flip board to see game from partners perspective
7133 DrawPosition(TRUE, partnerBoard);
7134 DisplayMessage(partnerStatus, "");
7136 } else if(action == Release) {
7137 flipView = originalFlip;
7138 DrawPosition(TRUE, boards[currentMove]);
7144 xSqr = EventToSquare(x, BOARD_WIDTH);
7145 ySqr = EventToSquare(y, BOARD_HEIGHT);
7146 if (action == Release) {
7147 if(pieceSweep != EmptySquare) {
7148 EditPositionMenuEvent(pieceSweep, toX, toY);
7149 pieceSweep = EmptySquare;
7150 } else UnLoadPV(); // [HGM] pv
7152 if (action != Press) return -2; // return code to be ignored
7155 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7157 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7158 if (xSqr < 0 || ySqr < 0) return -1;
7159 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7160 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7161 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7162 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7166 if(!appData.icsEngineAnalyze) return -1;
7167 case IcsPlayingWhite:
7168 case IcsPlayingBlack:
7169 if(!appData.zippyPlay) goto noZip;
7172 case MachinePlaysWhite:
7173 case MachinePlaysBlack:
7174 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7175 if (!appData.dropMenu) {
7177 return 2; // flag front-end to grab mouse events
7179 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7180 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7183 if (xSqr < 0 || ySqr < 0) return -1;
7184 if (!appData.dropMenu || appData.testLegality &&
7185 gameInfo.variant != VariantBughouse &&
7186 gameInfo.variant != VariantCrazyhouse) return -1;
7187 whichMenu = 1; // drop menu
7193 if (((*fromX = xSqr) < 0) ||
7194 ((*fromY = ySqr) < 0)) {
7195 *fromX = *fromY = -1;
7199 *fromX = BOARD_WIDTH - 1 - *fromX;
7201 *fromY = BOARD_HEIGHT - 1 - *fromY;
7207 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7209 // char * hint = lastHint;
7210 FrontEndProgramStats stats;
7212 stats.which = cps == &first ? 0 : 1;
7213 stats.depth = cpstats->depth;
7214 stats.nodes = cpstats->nodes;
7215 stats.score = cpstats->score;
7216 stats.time = cpstats->time;
7217 stats.pv = cpstats->movelist;
7218 stats.hint = lastHint;
7219 stats.an_move_index = 0;
7220 stats.an_move_count = 0;
7222 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7223 stats.hint = cpstats->move_name;
7224 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7225 stats.an_move_count = cpstats->nr_moves;
7228 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
7230 SetProgramStats( &stats );
7234 ClearEngineOutputPane (int which)
7236 static FrontEndProgramStats dummyStats;
7237 dummyStats.which = which;
7238 dummyStats.pv = "#";
7239 SetProgramStats( &dummyStats );
7242 #define MAXPLAYERS 500
7245 TourneyStandings (int display)
7247 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7248 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7249 char result, *p, *names[MAXPLAYERS];
7251 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7252 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7253 names[0] = p = strdup(appData.participants);
7254 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7256 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7258 while(result = appData.results[nr]) {
7259 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7260 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7261 wScore = bScore = 0;
7263 case '+': wScore = 2; break;
7264 case '-': bScore = 2; break;
7265 case '=': wScore = bScore = 1; break;
7267 case '*': return strdup("busy"); // tourney not finished
7275 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7276 for(w=0; w<nPlayers; w++) {
7278 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7279 ranking[w] = b; points[w] = bScore; score[b] = -2;
7281 p = malloc(nPlayers*34+1);
7282 for(w=0; w<nPlayers && w<display; w++)
7283 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7289 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7290 { // count all piece types
7292 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7293 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7294 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7297 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7298 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7299 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7300 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7301 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7302 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7307 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7309 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7310 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7312 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7313 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7314 if(myPawns == 2 && nMine == 3) // KPP
7315 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7316 if(myPawns == 1 && nMine == 2) // KP
7317 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7318 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7319 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7320 if(myPawns) return FALSE;
7321 if(pCnt[WhiteRook+side])
7322 return pCnt[BlackRook-side] ||
7323 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7324 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7325 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7326 if(pCnt[WhiteCannon+side]) {
7327 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7328 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7330 if(pCnt[WhiteKnight+side])
7331 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7336 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7338 VariantClass v = gameInfo.variant;
7340 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7341 if(v == VariantShatranj) return TRUE; // always winnable through baring
7342 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7343 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7345 if(v == VariantXiangqi) {
7346 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7348 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7349 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7350 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7351 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7352 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7353 if(stale) // we have at least one last-rank P plus perhaps C
7354 return majors // KPKX
7355 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7357 return pCnt[WhiteFerz+side] // KCAK
7358 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7359 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7360 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7362 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7363 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7365 if(nMine == 1) return FALSE; // bare King
7366 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
7367 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7368 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7369 // by now we have King + 1 piece (or multiple Bishops on the same color)
7370 if(pCnt[WhiteKnight+side])
7371 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7372 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7373 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7375 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7376 if(pCnt[WhiteAlfil+side])
7377 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7378 if(pCnt[WhiteWazir+side])
7379 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7386 CompareWithRights (Board b1, Board b2)
7389 if(!CompareBoards(b1, b2)) return FALSE;
7390 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7391 /* compare castling rights */
7392 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7393 rights++; /* King lost rights, while rook still had them */
7394 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7395 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7396 rights++; /* but at least one rook lost them */
7398 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7400 if( b1[CASTLING][5] != NoRights ) {
7401 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7408 Adjudicate (ChessProgramState *cps)
7409 { // [HGM] some adjudications useful with buggy engines
7410 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7411 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7412 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7413 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7414 int k, count = 0; static int bare = 1;
7415 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7416 Boolean canAdjudicate = !appData.icsActive;
7418 // most tests only when we understand the game, i.e. legality-checking on
7419 if( appData.testLegality )
7420 { /* [HGM] Some more adjudications for obstinate engines */
7421 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7422 static int moveCount = 6;
7424 char *reason = NULL;
7426 /* Count what is on board. */
7427 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7429 /* Some material-based adjudications that have to be made before stalemate test */
7430 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7431 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7432 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7433 if(canAdjudicate && appData.checkMates) {
7435 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7436 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7437 "Xboard adjudication: King destroyed", GE_XBOARD );
7442 /* Bare King in Shatranj (loses) or Losers (wins) */
7443 if( nrW == 1 || nrB == 1) {
7444 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7445 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7446 if(canAdjudicate && appData.checkMates) {
7448 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7449 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7450 "Xboard adjudication: Bare king", GE_XBOARD );
7454 if( gameInfo.variant == VariantShatranj && --bare < 0)
7456 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7457 if(canAdjudicate && appData.checkMates) {
7458 /* but only adjudicate if adjudication enabled */
7460 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7461 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7462 "Xboard adjudication: Bare king", GE_XBOARD );
7469 // don't wait for engine to announce game end if we can judge ourselves
7470 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7472 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7473 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7474 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7475 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7478 reason = "Xboard adjudication: 3rd check";
7479 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7489 reason = "Xboard adjudication: Stalemate";
7490 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7491 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7492 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7493 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7494 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7495 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7496 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7497 EP_CHECKMATE : EP_WINS);
7498 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7499 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7503 reason = "Xboard adjudication: Checkmate";
7504 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7508 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7510 result = GameIsDrawn; break;
7512 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7514 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7518 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7520 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7521 GameEnds( result, reason, GE_XBOARD );
7525 /* Next absolutely insufficient mating material. */
7526 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7527 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7528 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7530 /* always flag draws, for judging claims */
7531 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7533 if(canAdjudicate && appData.materialDraws) {
7534 /* but only adjudicate them if adjudication enabled */
7535 if(engineOpponent) {
7536 SendToProgram("force\n", engineOpponent); // suppress reply
7537 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7539 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7544 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7545 if(gameInfo.variant == VariantXiangqi ?
7546 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7548 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7549 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7550 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7551 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7553 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7554 { /* if the first 3 moves do not show a tactical win, declare draw */
7555 if(engineOpponent) {
7556 SendToProgram("force\n", engineOpponent); // suppress reply
7557 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7559 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7562 } else moveCount = 6;
7564 if (appData.debugMode) { int i;
7565 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7566 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7567 appData.drawRepeats);
7568 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7569 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7573 // Repetition draws and 50-move rule can be applied independently of legality testing
7575 /* Check for rep-draws */
7577 for(k = forwardMostMove-2;
7578 k>=backwardMostMove && k>=forwardMostMove-100 &&
7579 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7580 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7583 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7584 /* compare castling rights */
7585 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7586 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7587 rights++; /* King lost rights, while rook still had them */
7588 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7589 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7590 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7591 rights++; /* but at least one rook lost them */
7593 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7594 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7596 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7597 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7598 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7601 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7602 && appData.drawRepeats > 1) {
7603 /* adjudicate after user-specified nr of repeats */
7604 int result = GameIsDrawn;
7605 char *details = "XBoard adjudication: repetition draw";
7606 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7607 // [HGM] xiangqi: check for forbidden perpetuals
7608 int m, ourPerpetual = 1, hisPerpetual = 1;
7609 for(m=forwardMostMove; m>k; m-=2) {
7610 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7611 ourPerpetual = 0; // the current mover did not always check
7612 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7613 hisPerpetual = 0; // the opponent did not always check
7615 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7616 ourPerpetual, hisPerpetual);
7617 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7618 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7619 details = "Xboard adjudication: perpetual checking";
7621 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7622 break; // (or we would have caught him before). Abort repetition-checking loop.
7624 // Now check for perpetual chases
7625 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7626 hisPerpetual = PerpetualChase(k, forwardMostMove);
7627 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7628 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7629 static char resdet[MSG_SIZ];
7630 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7632 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7634 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7635 break; // Abort repetition-checking loop.
7637 // if neither of us is checking or chasing all the time, or both are, it is draw
7639 if(engineOpponent) {
7640 SendToProgram("force\n", engineOpponent); // suppress reply
7641 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7643 GameEnds( result, details, GE_XBOARD );
7646 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7647 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7651 /* Now we test for 50-move draws. Determine ply count */
7652 count = forwardMostMove;
7653 /* look for last irreversble move */
7654 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7656 /* if we hit starting position, add initial plies */
7657 if( count == backwardMostMove )
7658 count -= initialRulePlies;
7659 count = forwardMostMove - count;
7660 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7661 // adjust reversible move counter for checks in Xiangqi
7662 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7663 if(i < backwardMostMove) i = backwardMostMove;
7664 while(i <= forwardMostMove) {
7665 lastCheck = inCheck; // check evasion does not count
7666 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7667 if(inCheck || lastCheck) count--; // check does not count
7672 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7673 /* this is used to judge if draw claims are legal */
7674 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7675 if(engineOpponent) {
7676 SendToProgram("force\n", engineOpponent); // suppress reply
7677 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7679 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7683 /* if draw offer is pending, treat it as a draw claim
7684 * when draw condition present, to allow engines a way to
7685 * claim draws before making their move to avoid a race
7686 * condition occurring after their move
7688 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7690 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7691 p = "Draw claim: 50-move rule";
7692 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7693 p = "Draw claim: 3-fold repetition";
7694 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7695 p = "Draw claim: insufficient mating material";
7696 if( p != NULL && canAdjudicate) {
7697 if(engineOpponent) {
7698 SendToProgram("force\n", engineOpponent); // suppress reply
7699 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7701 GameEnds( GameIsDrawn, p, GE_XBOARD );
7706 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7707 if(engineOpponent) {
7708 SendToProgram("force\n", engineOpponent); // suppress reply
7709 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7711 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7718 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7719 { // [HGM] book: this routine intercepts moves to simulate book replies
7720 char *bookHit = NULL;
7722 //first determine if the incoming move brings opponent into his book
7723 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7724 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7725 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7726 if(bookHit != NULL && !cps->bookSuspend) {
7727 // make sure opponent is not going to reply after receiving move to book position
7728 SendToProgram("force\n", cps);
7729 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7731 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7732 // now arrange restart after book miss
7734 // after a book hit we never send 'go', and the code after the call to this routine
7735 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7736 char buf[MSG_SIZ], *move = bookHit;
7738 int fromX, fromY, toX, toY;
7742 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7743 &fromX, &fromY, &toX, &toY, &promoChar)) {
7744 (void) CoordsToAlgebraic(boards[forwardMostMove],
7745 PosFlags(forwardMostMove),
7746 fromY, fromX, toY, toX, promoChar, move);
7748 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7752 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7753 SendToProgram(buf, cps);
7754 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7755 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7756 SendToProgram("go\n", cps);
7757 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7758 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7759 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7760 SendToProgram("go\n", cps);
7761 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7763 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7767 ChessProgramState *savedState;
7769 DeferredBookMove (void)
7771 if(savedState->lastPing != savedState->lastPong)
7772 ScheduleDelayedEvent(DeferredBookMove, 10);
7774 HandleMachineMove(savedMessage, savedState);
7777 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7780 HandleMachineMove (char *message, ChessProgramState *cps)
7782 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7783 char realname[MSG_SIZ];
7784 int fromX, fromY, toX, toY;
7791 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7792 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7793 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7794 DisplayError(_("Invalid pairing from pairing engine"), 0);
7797 pairingReceived = 1;
7799 return; // Skim the pairing messages here.
7804 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7806 * Kludge to ignore BEL characters
7808 while (*message == '\007') message++;
7811 * [HGM] engine debug message: ignore lines starting with '#' character
7813 if(cps->debug && *message == '#') return;
7816 * Look for book output
7818 if (cps == &first && bookRequested) {
7819 if (message[0] == '\t' || message[0] == ' ') {
7820 /* Part of the book output is here; append it */
7821 strcat(bookOutput, message);
7822 strcat(bookOutput, " \n");
7824 } else if (bookOutput[0] != NULLCHAR) {
7825 /* All of book output has arrived; display it */
7826 char *p = bookOutput;
7827 while (*p != NULLCHAR) {
7828 if (*p == '\t') *p = ' ';
7831 DisplayInformation(bookOutput);
7832 bookRequested = FALSE;
7833 /* Fall through to parse the current output */
7838 * Look for machine move.
7840 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7841 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7843 /* This method is only useful on engines that support ping */
7844 if (cps->lastPing != cps->lastPong) {
7845 if (gameMode == BeginningOfGame) {
7846 /* Extra move from before last new; ignore */
7847 if (appData.debugMode) {
7848 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7851 if (appData.debugMode) {
7852 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7853 cps->which, gameMode);
7856 SendToProgram("undo\n", cps);
7862 case BeginningOfGame:
7863 /* Extra move from before last reset; ignore */
7864 if (appData.debugMode) {
7865 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7872 /* Extra move after we tried to stop. The mode test is
7873 not a reliable way of detecting this problem, but it's
7874 the best we can do on engines that don't support ping.
7876 if (appData.debugMode) {
7877 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7878 cps->which, gameMode);
7880 SendToProgram("undo\n", cps);
7883 case MachinePlaysWhite:
7884 case IcsPlayingWhite:
7885 machineWhite = TRUE;
7888 case MachinePlaysBlack:
7889 case IcsPlayingBlack:
7890 machineWhite = FALSE;
7893 case TwoMachinesPlay:
7894 machineWhite = (cps->twoMachinesColor[0] == 'w');
7897 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7898 if (appData.debugMode) {
7900 "Ignoring move out of turn by %s, gameMode %d"
7901 ", forwardMost %d\n",
7902 cps->which, gameMode, forwardMostMove);
7907 if (appData.debugMode) { int f = forwardMostMove;
7908 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7909 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7910 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7912 if(cps->alphaRank) AlphaRank(machineMove, 4);
7913 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7914 &fromX, &fromY, &toX, &toY, &promoChar)) {
7915 /* Machine move could not be parsed; ignore it. */
7916 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7917 machineMove, _(cps->which));
7918 DisplayError(buf1, 0);
7919 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7920 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7921 if (gameMode == TwoMachinesPlay) {
7922 GameEnds(machineWhite ? BlackWins : WhiteWins,
7928 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7929 /* So we have to redo legality test with true e.p. status here, */
7930 /* to make sure an illegal e.p. capture does not slip through, */
7931 /* to cause a forfeit on a justified illegal-move complaint */
7932 /* of the opponent. */
7933 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7935 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7936 fromY, fromX, toY, toX, promoChar);
7937 if (appData.debugMode) {
7939 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7940 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7941 fprintf(debugFP, "castling rights\n");
7943 if(moveType == IllegalMove) {
7944 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7945 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7946 GameEnds(machineWhite ? BlackWins : WhiteWins,
7949 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7950 /* [HGM] Kludge to handle engines that send FRC-style castling
7951 when they shouldn't (like TSCP-Gothic) */
7953 case WhiteASideCastleFR:
7954 case BlackASideCastleFR:
7956 currentMoveString[2]++;
7958 case WhiteHSideCastleFR:
7959 case BlackHSideCastleFR:
7961 currentMoveString[2]--;
7963 default: ; // nothing to do, but suppresses warning of pedantic compilers
7966 hintRequested = FALSE;
7967 lastHint[0] = NULLCHAR;
7968 bookRequested = FALSE;
7969 /* Program may be pondering now */
7970 cps->maybeThinking = TRUE;
7971 if (cps->sendTime == 2) cps->sendTime = 1;
7972 if (cps->offeredDraw) cps->offeredDraw--;
7974 /* [AS] Save move info*/
7975 pvInfoList[ forwardMostMove ].score = programStats.score;
7976 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7977 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7979 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7981 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7982 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7985 while( count < adjudicateLossPlies ) {
7986 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7989 score = -score; /* Flip score for winning side */
7992 if( score > adjudicateLossThreshold ) {
7999 if( count >= adjudicateLossPlies ) {
8000 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8002 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8003 "Xboard adjudication",
8010 if(Adjudicate(cps)) {
8011 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8012 return; // [HGM] adjudicate: for all automatic game ends
8016 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8018 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8019 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8021 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8023 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8025 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8026 char buf[3*MSG_SIZ];
8028 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8029 programStats.score / 100.,
8031 programStats.time / 100.,
8032 (unsigned int)programStats.nodes,
8033 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8034 programStats.movelist);
8036 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8041 /* [AS] Clear stats for next move */
8042 ClearProgramStats();
8043 thinkOutput[0] = NULLCHAR;
8044 hiddenThinkOutputState = 0;
8047 if (gameMode == TwoMachinesPlay) {
8048 /* [HGM] relaying draw offers moved to after reception of move */
8049 /* and interpreting offer as claim if it brings draw condition */
8050 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8051 SendToProgram("draw\n", cps->other);
8053 if (cps->other->sendTime) {
8054 SendTimeRemaining(cps->other,
8055 cps->other->twoMachinesColor[0] == 'w');
8057 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8058 if (firstMove && !bookHit) {
8060 if (cps->other->useColors) {
8061 SendToProgram(cps->other->twoMachinesColor, cps->other);
8063 SendToProgram("go\n", cps->other);
8065 cps->other->maybeThinking = TRUE;
8068 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8070 if (!pausing && appData.ringBellAfterMoves) {
8075 * Reenable menu items that were disabled while
8076 * machine was thinking
8078 if (gameMode != TwoMachinesPlay)
8079 SetUserThinkingEnables();
8081 // [HGM] book: after book hit opponent has received move and is now in force mode
8082 // force the book reply into it, and then fake that it outputted this move by jumping
8083 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8085 static char bookMove[MSG_SIZ]; // a bit generous?
8087 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8088 strcat(bookMove, bookHit);
8091 programStats.nodes = programStats.depth = programStats.time =
8092 programStats.score = programStats.got_only_move = 0;
8093 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8095 if(cps->lastPing != cps->lastPong) {
8096 savedMessage = message; // args for deferred call
8098 ScheduleDelayedEvent(DeferredBookMove, 10);
8107 /* Set special modes for chess engines. Later something general
8108 * could be added here; for now there is just one kludge feature,
8109 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8110 * when "xboard" is given as an interactive command.
8112 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8113 cps->useSigint = FALSE;
8114 cps->useSigterm = FALSE;
8116 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8117 ParseFeatures(message+8, cps);
8118 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8121 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8122 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8123 int dummy, s=6; char buf[MSG_SIZ];
8124 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8125 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8126 if(startedFromSetupPosition) return;
8127 ParseFEN(boards[0], &dummy, message+s);
8128 DrawPosition(TRUE, boards[0]);
8129 startedFromSetupPosition = TRUE;
8132 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8133 * want this, I was asked to put it in, and obliged.
8135 if (!strncmp(message, "setboard ", 9)) {
8136 Board initial_position;
8138 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8140 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8141 DisplayError(_("Bad FEN received from engine"), 0);
8145 CopyBoard(boards[0], initial_position);
8146 initialRulePlies = FENrulePlies;
8147 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8148 else gameMode = MachinePlaysBlack;
8149 DrawPosition(FALSE, boards[currentMove]);
8155 * Look for communication commands
8157 if (!strncmp(message, "telluser ", 9)) {
8158 if(message[9] == '\\' && message[10] == '\\')
8159 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8161 DisplayNote(message + 9);
8164 if (!strncmp(message, "tellusererror ", 14)) {
8166 if(message[14] == '\\' && message[15] == '\\')
8167 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8169 DisplayError(message + 14, 0);
8172 if (!strncmp(message, "tellopponent ", 13)) {
8173 if (appData.icsActive) {
8175 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8179 DisplayNote(message + 13);
8183 if (!strncmp(message, "tellothers ", 11)) {
8184 if (appData.icsActive) {
8186 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8192 if (!strncmp(message, "tellall ", 8)) {
8193 if (appData.icsActive) {
8195 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8199 DisplayNote(message + 8);
8203 if (strncmp(message, "warning", 7) == 0) {
8204 /* Undocumented feature, use tellusererror in new code */
8205 DisplayError(message, 0);
8208 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8209 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8210 strcat(realname, " query");
8211 AskQuestion(realname, buf2, buf1, cps->pr);
8214 /* Commands from the engine directly to ICS. We don't allow these to be
8215 * sent until we are logged on. Crafty kibitzes have been known to
8216 * interfere with the login process.
8219 if (!strncmp(message, "tellics ", 8)) {
8220 SendToICS(message + 8);
8224 if (!strncmp(message, "tellicsnoalias ", 15)) {
8225 SendToICS(ics_prefix);
8226 SendToICS(message + 15);
8230 /* The following are for backward compatibility only */
8231 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8232 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8233 SendToICS(ics_prefix);
8239 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8243 * If the move is illegal, cancel it and redraw the board.
8244 * Also deal with other error cases. Matching is rather loose
8245 * here to accommodate engines written before the spec.
8247 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8248 strncmp(message, "Error", 5) == 0) {
8249 if (StrStr(message, "name") ||
8250 StrStr(message, "rating") || StrStr(message, "?") ||
8251 StrStr(message, "result") || StrStr(message, "board") ||
8252 StrStr(message, "bk") || StrStr(message, "computer") ||
8253 StrStr(message, "variant") || StrStr(message, "hint") ||
8254 StrStr(message, "random") || StrStr(message, "depth") ||
8255 StrStr(message, "accepted")) {
8258 if (StrStr(message, "protover")) {
8259 /* Program is responding to input, so it's apparently done
8260 initializing, and this error message indicates it is
8261 protocol version 1. So we don't need to wait any longer
8262 for it to initialize and send feature commands. */
8263 FeatureDone(cps, 1);
8264 cps->protocolVersion = 1;
8267 cps->maybeThinking = FALSE;
8269 if (StrStr(message, "draw")) {
8270 /* Program doesn't have "draw" command */
8271 cps->sendDrawOffers = 0;
8274 if (cps->sendTime != 1 &&
8275 (StrStr(message, "time") || StrStr(message, "otim"))) {
8276 /* Program apparently doesn't have "time" or "otim" command */
8280 if (StrStr(message, "analyze")) {
8281 cps->analysisSupport = FALSE;
8282 cps->analyzing = FALSE;
8283 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8284 EditGameEvent(); // [HGM] try to preserve loaded game
8285 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8286 DisplayError(buf2, 0);
8289 if (StrStr(message, "(no matching move)st")) {
8290 /* Special kludge for GNU Chess 4 only */
8291 cps->stKludge = TRUE;
8292 SendTimeControl(cps, movesPerSession, timeControl,
8293 timeIncrement, appData.searchDepth,
8297 if (StrStr(message, "(no matching move)sd")) {
8298 /* Special kludge for GNU Chess 4 only */
8299 cps->sdKludge = TRUE;
8300 SendTimeControl(cps, movesPerSession, timeControl,
8301 timeIncrement, appData.searchDepth,
8305 if (!StrStr(message, "llegal")) {
8308 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8309 gameMode == IcsIdle) return;
8310 if (forwardMostMove <= backwardMostMove) return;
8311 if (pausing) PauseEvent();
8312 if(appData.forceIllegal) {
8313 // [HGM] illegal: machine refused move; force position after move into it
8314 SendToProgram("force\n", cps);
8315 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8316 // we have a real problem now, as SendBoard will use the a2a3 kludge
8317 // when black is to move, while there might be nothing on a2 or black
8318 // might already have the move. So send the board as if white has the move.
8319 // But first we must change the stm of the engine, as it refused the last move
8320 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8321 if(WhiteOnMove(forwardMostMove)) {
8322 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8323 SendBoard(cps, forwardMostMove); // kludgeless board
8325 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8326 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8327 SendBoard(cps, forwardMostMove+1); // kludgeless board
8329 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8330 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8331 gameMode == TwoMachinesPlay)
8332 SendToProgram("go\n", cps);
8335 if (gameMode == PlayFromGameFile) {
8336 /* Stop reading this game file */
8337 gameMode = EditGame;
8340 /* [HGM] illegal-move claim should forfeit game when Xboard */
8341 /* only passes fully legal moves */
8342 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8343 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8344 "False illegal-move claim", GE_XBOARD );
8345 return; // do not take back move we tested as valid
8347 currentMove = forwardMostMove-1;
8348 DisplayMove(currentMove-1); /* before DisplayMoveError */
8349 SwitchClocks(forwardMostMove-1); // [HGM] race
8350 DisplayBothClocks();
8351 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8352 parseList[currentMove], _(cps->which));
8353 DisplayMoveError(buf1);
8354 DrawPosition(FALSE, boards[currentMove]);
8356 SetUserThinkingEnables();
8359 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8360 /* Program has a broken "time" command that
8361 outputs a string not ending in newline.
8367 * If chess program startup fails, exit with an error message.
8368 * Attempts to recover here are futile.
8370 if ((StrStr(message, "unknown host") != NULL)
8371 || (StrStr(message, "No remote directory") != NULL)
8372 || (StrStr(message, "not found") != NULL)
8373 || (StrStr(message, "No such file") != NULL)
8374 || (StrStr(message, "can't alloc") != NULL)
8375 || (StrStr(message, "Permission denied") != NULL)) {
8377 cps->maybeThinking = FALSE;
8378 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8379 _(cps->which), cps->program, cps->host, message);
8380 RemoveInputSource(cps->isr);
8381 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8382 if(cps == &first) appData.noChessProgram = TRUE;
8383 DisplayError(buf1, 0);
8389 * Look for hint output
8391 if (sscanf(message, "Hint: %s", buf1) == 1) {
8392 if (cps == &first && hintRequested) {
8393 hintRequested = FALSE;
8394 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8395 &fromX, &fromY, &toX, &toY, &promoChar)) {
8396 (void) CoordsToAlgebraic(boards[forwardMostMove],
8397 PosFlags(forwardMostMove),
8398 fromY, fromX, toY, toX, promoChar, buf1);
8399 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8400 DisplayInformation(buf2);
8402 /* Hint move could not be parsed!? */
8403 snprintf(buf2, sizeof(buf2),
8404 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8405 buf1, _(cps->which));
8406 DisplayError(buf2, 0);
8409 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8415 * Ignore other messages if game is not in progress
8417 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8418 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8421 * look for win, lose, draw, or draw offer
8423 if (strncmp(message, "1-0", 3) == 0) {
8424 char *p, *q, *r = "";
8425 p = strchr(message, '{');
8433 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8435 } else if (strncmp(message, "0-1", 3) == 0) {
8436 char *p, *q, *r = "";
8437 p = strchr(message, '{');
8445 /* Kludge for Arasan 4.1 bug */
8446 if (strcmp(r, "Black resigns") == 0) {
8447 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8450 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8452 } else if (strncmp(message, "1/2", 3) == 0) {
8453 char *p, *q, *r = "";
8454 p = strchr(message, '{');
8463 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8466 } else if (strncmp(message, "White resign", 12) == 0) {
8467 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8469 } else if (strncmp(message, "Black resign", 12) == 0) {
8470 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8472 } else if (strncmp(message, "White matches", 13) == 0 ||
8473 strncmp(message, "Black matches", 13) == 0 ) {
8474 /* [HGM] ignore GNUShogi noises */
8476 } else if (strncmp(message, "White", 5) == 0 &&
8477 message[5] != '(' &&
8478 StrStr(message, "Black") == NULL) {
8479 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8481 } else if (strncmp(message, "Black", 5) == 0 &&
8482 message[5] != '(') {
8483 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8485 } else if (strcmp(message, "resign") == 0 ||
8486 strcmp(message, "computer resigns") == 0) {
8488 case MachinePlaysBlack:
8489 case IcsPlayingBlack:
8490 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8492 case MachinePlaysWhite:
8493 case IcsPlayingWhite:
8494 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8496 case TwoMachinesPlay:
8497 if (cps->twoMachinesColor[0] == 'w')
8498 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8500 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8507 } else if (strncmp(message, "opponent mates", 14) == 0) {
8509 case MachinePlaysBlack:
8510 case IcsPlayingBlack:
8511 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8513 case MachinePlaysWhite:
8514 case IcsPlayingWhite:
8515 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8517 case TwoMachinesPlay:
8518 if (cps->twoMachinesColor[0] == 'w')
8519 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8521 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8528 } else if (strncmp(message, "computer mates", 14) == 0) {
8530 case MachinePlaysBlack:
8531 case IcsPlayingBlack:
8532 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8534 case MachinePlaysWhite:
8535 case IcsPlayingWhite:
8536 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8538 case TwoMachinesPlay:
8539 if (cps->twoMachinesColor[0] == 'w')
8540 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8542 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8549 } else if (strncmp(message, "checkmate", 9) == 0) {
8550 if (WhiteOnMove(forwardMostMove)) {
8551 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8553 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8556 } else if (strstr(message, "Draw") != NULL ||
8557 strstr(message, "game is a draw") != NULL) {
8558 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8560 } else if (strstr(message, "offer") != NULL &&
8561 strstr(message, "draw") != NULL) {
8563 if (appData.zippyPlay && first.initDone) {
8564 /* Relay offer to ICS */
8565 SendToICS(ics_prefix);
8566 SendToICS("draw\n");
8569 cps->offeredDraw = 2; /* valid until this engine moves twice */
8570 if (gameMode == TwoMachinesPlay) {
8571 if (cps->other->offeredDraw) {
8572 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8573 /* [HGM] in two-machine mode we delay relaying draw offer */
8574 /* until after we also have move, to see if it is really claim */
8576 } else if (gameMode == MachinePlaysWhite ||
8577 gameMode == MachinePlaysBlack) {
8578 if (userOfferedDraw) {
8579 DisplayInformation(_("Machine accepts your draw offer"));
8580 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8582 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8589 * Look for thinking output
8591 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8592 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8594 int plylev, mvleft, mvtot, curscore, time;
8595 char mvname[MOVE_LEN];
8599 int prefixHint = FALSE;
8600 mvname[0] = NULLCHAR;
8603 case MachinePlaysBlack:
8604 case IcsPlayingBlack:
8605 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8607 case MachinePlaysWhite:
8608 case IcsPlayingWhite:
8609 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8614 case IcsObserving: /* [DM] icsEngineAnalyze */
8615 if (!appData.icsEngineAnalyze) ignore = TRUE;
8617 case TwoMachinesPlay:
8618 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8628 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8630 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8631 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8633 if (plyext != ' ' && plyext != '\t') {
8637 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8638 if( cps->scoreIsAbsolute &&
8639 ( gameMode == MachinePlaysBlack ||
8640 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8641 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8642 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8643 !WhiteOnMove(currentMove)
8646 curscore = -curscore;
8649 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8651 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8654 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8655 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8656 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8657 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8658 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8659 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8661 } else DisplayError(_("failed writing PV"), 0);
8664 tempStats.depth = plylev;
8665 tempStats.nodes = nodes;
8666 tempStats.time = time;
8667 tempStats.score = curscore;
8668 tempStats.got_only_move = 0;
8670 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8673 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8674 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8675 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8676 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8677 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8678 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8679 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8680 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8683 /* Buffer overflow protection */
8684 if (pv[0] != NULLCHAR) {
8685 if (strlen(pv) >= sizeof(tempStats.movelist)
8686 && appData.debugMode) {
8688 "PV is too long; using the first %u bytes.\n",
8689 (unsigned) sizeof(tempStats.movelist) - 1);
8692 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8694 sprintf(tempStats.movelist, " no PV\n");
8697 if (tempStats.seen_stat) {
8698 tempStats.ok_to_send = 1;
8701 if (strchr(tempStats.movelist, '(') != NULL) {
8702 tempStats.line_is_book = 1;
8703 tempStats.nr_moves = 0;
8704 tempStats.moves_left = 0;
8706 tempStats.line_is_book = 0;
8709 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8710 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8712 SendProgramStatsToFrontend( cps, &tempStats );
8715 [AS] Protect the thinkOutput buffer from overflow... this
8716 is only useful if buf1 hasn't overflowed first!
8718 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8720 (gameMode == TwoMachinesPlay ?
8721 ToUpper(cps->twoMachinesColor[0]) : ' '),
8722 ((double) curscore) / 100.0,
8723 prefixHint ? lastHint : "",
8724 prefixHint ? " " : "" );
8726 if( buf1[0] != NULLCHAR ) {
8727 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8729 if( strlen(pv) > max_len ) {
8730 if( appData.debugMode) {
8731 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8733 pv[max_len+1] = '\0';
8736 strcat( thinkOutput, pv);
8739 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8740 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8741 DisplayMove(currentMove - 1);
8745 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8746 /* crafty (9.25+) says "(only move) <move>"
8747 * if there is only 1 legal move
8749 sscanf(p, "(only move) %s", buf1);
8750 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8751 sprintf(programStats.movelist, "%s (only move)", buf1);
8752 programStats.depth = 1;
8753 programStats.nr_moves = 1;
8754 programStats.moves_left = 1;
8755 programStats.nodes = 1;
8756 programStats.time = 1;
8757 programStats.got_only_move = 1;
8759 /* Not really, but we also use this member to
8760 mean "line isn't going to change" (Crafty
8761 isn't searching, so stats won't change) */
8762 programStats.line_is_book = 1;
8764 SendProgramStatsToFrontend( cps, &programStats );
8766 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8767 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8768 DisplayMove(currentMove - 1);
8771 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8772 &time, &nodes, &plylev, &mvleft,
8773 &mvtot, mvname) >= 5) {
8774 /* The stat01: line is from Crafty (9.29+) in response
8775 to the "." command */
8776 programStats.seen_stat = 1;
8777 cps->maybeThinking = TRUE;
8779 if (programStats.got_only_move || !appData.periodicUpdates)
8782 programStats.depth = plylev;
8783 programStats.time = time;
8784 programStats.nodes = nodes;
8785 programStats.moves_left = mvleft;
8786 programStats.nr_moves = mvtot;
8787 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8788 programStats.ok_to_send = 1;
8789 programStats.movelist[0] = '\0';
8791 SendProgramStatsToFrontend( cps, &programStats );
8795 } else if (strncmp(message,"++",2) == 0) {
8796 /* Crafty 9.29+ outputs this */
8797 programStats.got_fail = 2;
8800 } else if (strncmp(message,"--",2) == 0) {
8801 /* Crafty 9.29+ outputs this */
8802 programStats.got_fail = 1;
8805 } else if (thinkOutput[0] != NULLCHAR &&
8806 strncmp(message, " ", 4) == 0) {
8807 unsigned message_len;
8810 while (*p && *p == ' ') p++;
8812 message_len = strlen( p );
8814 /* [AS] Avoid buffer overflow */
8815 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8816 strcat(thinkOutput, " ");
8817 strcat(thinkOutput, p);
8820 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8821 strcat(programStats.movelist, " ");
8822 strcat(programStats.movelist, p);
8825 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8826 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8827 DisplayMove(currentMove - 1);
8835 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8836 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8838 ChessProgramStats cpstats;
8840 if (plyext != ' ' && plyext != '\t') {
8844 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8845 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8846 curscore = -curscore;
8849 cpstats.depth = plylev;
8850 cpstats.nodes = nodes;
8851 cpstats.time = time;
8852 cpstats.score = curscore;
8853 cpstats.got_only_move = 0;
8854 cpstats.movelist[0] = '\0';
8856 if (buf1[0] != NULLCHAR) {
8857 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8860 cpstats.ok_to_send = 0;
8861 cpstats.line_is_book = 0;
8862 cpstats.nr_moves = 0;
8863 cpstats.moves_left = 0;
8865 SendProgramStatsToFrontend( cps, &cpstats );
8872 /* Parse a game score from the character string "game", and
8873 record it as the history of the current game. The game
8874 score is NOT assumed to start from the standard position.
8875 The display is not updated in any way.
8878 ParseGameHistory (char *game)
8881 int fromX, fromY, toX, toY, boardIndex;
8886 if (appData.debugMode)
8887 fprintf(debugFP, "Parsing game history: %s\n", game);
8889 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8890 gameInfo.site = StrSave(appData.icsHost);
8891 gameInfo.date = PGNDate();
8892 gameInfo.round = StrSave("-");
8894 /* Parse out names of players */
8895 while (*game == ' ') game++;
8897 while (*game != ' ') *p++ = *game++;
8899 gameInfo.white = StrSave(buf);
8900 while (*game == ' ') game++;
8902 while (*game != ' ' && *game != '\n') *p++ = *game++;
8904 gameInfo.black = StrSave(buf);
8907 boardIndex = blackPlaysFirst ? 1 : 0;
8910 yyboardindex = boardIndex;
8911 moveType = (ChessMove) Myylex();
8913 case IllegalMove: /* maybe suicide chess, etc. */
8914 if (appData.debugMode) {
8915 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8916 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8917 setbuf(debugFP, NULL);
8919 case WhitePromotion:
8920 case BlackPromotion:
8921 case WhiteNonPromotion:
8922 case BlackNonPromotion:
8924 case WhiteCapturesEnPassant:
8925 case BlackCapturesEnPassant:
8926 case WhiteKingSideCastle:
8927 case WhiteQueenSideCastle:
8928 case BlackKingSideCastle:
8929 case BlackQueenSideCastle:
8930 case WhiteKingSideCastleWild:
8931 case WhiteQueenSideCastleWild:
8932 case BlackKingSideCastleWild:
8933 case BlackQueenSideCastleWild:
8935 case WhiteHSideCastleFR:
8936 case WhiteASideCastleFR:
8937 case BlackHSideCastleFR:
8938 case BlackASideCastleFR:
8940 fromX = currentMoveString[0] - AAA;
8941 fromY = currentMoveString[1] - ONE;
8942 toX = currentMoveString[2] - AAA;
8943 toY = currentMoveString[3] - ONE;
8944 promoChar = currentMoveString[4];
8948 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8949 fromX = moveType == WhiteDrop ?
8950 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8951 (int) CharToPiece(ToLower(currentMoveString[0]));
8953 toX = currentMoveString[2] - AAA;
8954 toY = currentMoveString[3] - ONE;
8955 promoChar = NULLCHAR;
8959 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8960 if (appData.debugMode) {
8961 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8962 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8963 setbuf(debugFP, NULL);
8965 DisplayError(buf, 0);
8967 case ImpossibleMove:
8969 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8970 if (appData.debugMode) {
8971 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8972 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8973 setbuf(debugFP, NULL);
8975 DisplayError(buf, 0);
8978 if (boardIndex < backwardMostMove) {
8979 /* Oops, gap. How did that happen? */
8980 DisplayError(_("Gap in move list"), 0);
8983 backwardMostMove = blackPlaysFirst ? 1 : 0;
8984 if (boardIndex > forwardMostMove) {
8985 forwardMostMove = boardIndex;
8989 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8990 strcat(parseList[boardIndex-1], " ");
8991 strcat(parseList[boardIndex-1], yy_text);
9003 case GameUnfinished:
9004 if (gameMode == IcsExamining) {
9005 if (boardIndex < backwardMostMove) {
9006 /* Oops, gap. How did that happen? */
9009 backwardMostMove = blackPlaysFirst ? 1 : 0;
9012 gameInfo.result = moveType;
9013 p = strchr(yy_text, '{');
9014 if (p == NULL) p = strchr(yy_text, '(');
9017 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9019 q = strchr(p, *p == '{' ? '}' : ')');
9020 if (q != NULL) *q = NULLCHAR;
9023 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9024 gameInfo.resultDetails = StrSave(p);
9027 if (boardIndex >= forwardMostMove &&
9028 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9029 backwardMostMove = blackPlaysFirst ? 1 : 0;
9032 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9033 fromY, fromX, toY, toX, promoChar,
9034 parseList[boardIndex]);
9035 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9036 /* currentMoveString is set as a side-effect of yylex */
9037 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9038 strcat(moveList[boardIndex], "\n");
9040 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9041 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9047 if(gameInfo.variant != VariantShogi)
9048 strcat(parseList[boardIndex - 1], "+");
9052 strcat(parseList[boardIndex - 1], "#");
9059 /* Apply a move to the given board */
9061 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9063 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9064 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9066 /* [HGM] compute & store e.p. status and castling rights for new position */
9067 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9069 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9070 oldEP = (signed char)board[EP_STATUS];
9071 board[EP_STATUS] = EP_NONE;
9073 if (fromY == DROP_RANK) {
9075 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9076 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9079 piece = board[toY][toX] = (ChessSquare) fromX;
9083 if( board[toY][toX] != EmptySquare )
9084 board[EP_STATUS] = EP_CAPTURE;
9086 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9087 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9088 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9090 if( board[fromY][fromX] == WhitePawn ) {
9091 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9092 board[EP_STATUS] = EP_PAWN_MOVE;
9094 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9095 gameInfo.variant != VariantBerolina || toX < fromX)
9096 board[EP_STATUS] = toX | berolina;
9097 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9098 gameInfo.variant != VariantBerolina || toX > fromX)
9099 board[EP_STATUS] = toX;
9102 if( board[fromY][fromX] == BlackPawn ) {
9103 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9104 board[EP_STATUS] = EP_PAWN_MOVE;
9105 if( toY-fromY== -2) {
9106 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9107 gameInfo.variant != VariantBerolina || toX < fromX)
9108 board[EP_STATUS] = toX | berolina;
9109 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9110 gameInfo.variant != VariantBerolina || toX > fromX)
9111 board[EP_STATUS] = toX;
9115 for(i=0; i<nrCastlingRights; i++) {
9116 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9117 board[CASTLING][i] == toX && castlingRank[i] == toY
9118 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9121 if (fromX == toX && fromY == toY) return;
9123 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9124 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9125 if(gameInfo.variant == VariantKnightmate)
9126 king += (int) WhiteUnicorn - (int) WhiteKing;
9128 /* Code added by Tord: */
9129 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9130 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9131 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9132 board[fromY][fromX] = EmptySquare;
9133 board[toY][toX] = EmptySquare;
9134 if((toX > fromX) != (piece == WhiteRook)) {
9135 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9137 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9139 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9140 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9141 board[fromY][fromX] = EmptySquare;
9142 board[toY][toX] = EmptySquare;
9143 if((toX > fromX) != (piece == BlackRook)) {
9144 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9146 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9148 /* End of code added by Tord */
9150 } else if (board[fromY][fromX] == king
9151 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9152 && toY == fromY && toX > fromX+1) {
9153 board[fromY][fromX] = EmptySquare;
9154 board[toY][toX] = king;
9155 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9156 board[fromY][BOARD_RGHT-1] = EmptySquare;
9157 } else if (board[fromY][fromX] == king
9158 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9159 && toY == fromY && toX < fromX-1) {
9160 board[fromY][fromX] = EmptySquare;
9161 board[toY][toX] = king;
9162 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9163 board[fromY][BOARD_LEFT] = EmptySquare;
9164 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9165 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9166 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9168 /* white pawn promotion */
9169 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9170 if(gameInfo.variant==VariantBughouse ||
9171 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9172 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9173 board[fromY][fromX] = EmptySquare;
9174 } else if ((fromY >= BOARD_HEIGHT>>1)
9176 && gameInfo.variant != VariantXiangqi
9177 && gameInfo.variant != VariantBerolina
9178 && (board[fromY][fromX] == WhitePawn)
9179 && (board[toY][toX] == EmptySquare)) {
9180 board[fromY][fromX] = EmptySquare;
9181 board[toY][toX] = WhitePawn;
9182 captured = board[toY - 1][toX];
9183 board[toY - 1][toX] = EmptySquare;
9184 } else if ((fromY == BOARD_HEIGHT-4)
9186 && gameInfo.variant == VariantBerolina
9187 && (board[fromY][fromX] == WhitePawn)
9188 && (board[toY][toX] == EmptySquare)) {
9189 board[fromY][fromX] = EmptySquare;
9190 board[toY][toX] = WhitePawn;
9191 if(oldEP & EP_BEROLIN_A) {
9192 captured = board[fromY][fromX-1];
9193 board[fromY][fromX-1] = EmptySquare;
9194 }else{ captured = board[fromY][fromX+1];
9195 board[fromY][fromX+1] = EmptySquare;
9197 } else if (board[fromY][fromX] == king
9198 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9199 && toY == fromY && toX > fromX+1) {
9200 board[fromY][fromX] = EmptySquare;
9201 board[toY][toX] = king;
9202 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9203 board[fromY][BOARD_RGHT-1] = EmptySquare;
9204 } else if (board[fromY][fromX] == king
9205 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9206 && toY == fromY && toX < fromX-1) {
9207 board[fromY][fromX] = EmptySquare;
9208 board[toY][toX] = king;
9209 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9210 board[fromY][BOARD_LEFT] = EmptySquare;
9211 } else if (fromY == 7 && fromX == 3
9212 && board[fromY][fromX] == BlackKing
9213 && toY == 7 && toX == 5) {
9214 board[fromY][fromX] = EmptySquare;
9215 board[toY][toX] = BlackKing;
9216 board[fromY][7] = EmptySquare;
9217 board[toY][4] = BlackRook;
9218 } else if (fromY == 7 && fromX == 3
9219 && board[fromY][fromX] == BlackKing
9220 && toY == 7 && toX == 1) {
9221 board[fromY][fromX] = EmptySquare;
9222 board[toY][toX] = BlackKing;
9223 board[fromY][0] = EmptySquare;
9224 board[toY][2] = BlackRook;
9225 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9226 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9227 && toY < promoRank && promoChar
9229 /* black pawn promotion */
9230 board[toY][toX] = CharToPiece(ToLower(promoChar));
9231 if(gameInfo.variant==VariantBughouse ||
9232 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9233 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9234 board[fromY][fromX] = EmptySquare;
9235 } else if ((fromY < BOARD_HEIGHT>>1)
9237 && gameInfo.variant != VariantXiangqi
9238 && gameInfo.variant != VariantBerolina
9239 && (board[fromY][fromX] == BlackPawn)
9240 && (board[toY][toX] == EmptySquare)) {
9241 board[fromY][fromX] = EmptySquare;
9242 board[toY][toX] = BlackPawn;
9243 captured = board[toY + 1][toX];
9244 board[toY + 1][toX] = EmptySquare;
9245 } else if ((fromY == 3)
9247 && gameInfo.variant == VariantBerolina
9248 && (board[fromY][fromX] == BlackPawn)
9249 && (board[toY][toX] == EmptySquare)) {
9250 board[fromY][fromX] = EmptySquare;
9251 board[toY][toX] = BlackPawn;
9252 if(oldEP & EP_BEROLIN_A) {
9253 captured = board[fromY][fromX-1];
9254 board[fromY][fromX-1] = EmptySquare;
9255 }else{ captured = board[fromY][fromX+1];
9256 board[fromY][fromX+1] = EmptySquare;
9259 board[toY][toX] = board[fromY][fromX];
9260 board[fromY][fromX] = EmptySquare;
9264 if (gameInfo.holdingsWidth != 0) {
9266 /* !!A lot more code needs to be written to support holdings */
9267 /* [HGM] OK, so I have written it. Holdings are stored in the */
9268 /* penultimate board files, so they are automaticlly stored */
9269 /* in the game history. */
9270 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9271 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9272 /* Delete from holdings, by decreasing count */
9273 /* and erasing image if necessary */
9274 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9275 if(p < (int) BlackPawn) { /* white drop */
9276 p -= (int)WhitePawn;
9277 p = PieceToNumber((ChessSquare)p);
9278 if(p >= gameInfo.holdingsSize) p = 0;
9279 if(--board[p][BOARD_WIDTH-2] <= 0)
9280 board[p][BOARD_WIDTH-1] = EmptySquare;
9281 if((int)board[p][BOARD_WIDTH-2] < 0)
9282 board[p][BOARD_WIDTH-2] = 0;
9283 } else { /* black drop */
9284 p -= (int)BlackPawn;
9285 p = PieceToNumber((ChessSquare)p);
9286 if(p >= gameInfo.holdingsSize) p = 0;
9287 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9288 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9289 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9290 board[BOARD_HEIGHT-1-p][1] = 0;
9293 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9294 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9295 /* [HGM] holdings: Add to holdings, if holdings exist */
9296 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9297 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9298 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9301 if (p >= (int) BlackPawn) {
9302 p -= (int)BlackPawn;
9303 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9304 /* in Shogi restore piece to its original first */
9305 captured = (ChessSquare) (DEMOTED captured);
9308 p = PieceToNumber((ChessSquare)p);
9309 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9310 board[p][BOARD_WIDTH-2]++;
9311 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9313 p -= (int)WhitePawn;
9314 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9315 captured = (ChessSquare) (DEMOTED captured);
9318 p = PieceToNumber((ChessSquare)p);
9319 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9320 board[BOARD_HEIGHT-1-p][1]++;
9321 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9324 } else if (gameInfo.variant == VariantAtomic) {
9325 if (captured != EmptySquare) {
9327 for (y = toY-1; y <= toY+1; y++) {
9328 for (x = toX-1; x <= toX+1; x++) {
9329 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9330 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9331 board[y][x] = EmptySquare;
9335 board[toY][toX] = EmptySquare;
9338 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9339 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9341 if(promoChar == '+') {
9342 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9343 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9344 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9345 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9347 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9348 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9349 // [HGM] superchess: take promotion piece out of holdings
9350 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9351 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9352 if(!--board[k][BOARD_WIDTH-2])
9353 board[k][BOARD_WIDTH-1] = EmptySquare;
9355 if(!--board[BOARD_HEIGHT-1-k][1])
9356 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9362 /* Updates forwardMostMove */
9364 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9366 // forwardMostMove++; // [HGM] bare: moved downstream
9368 (void) CoordsToAlgebraic(boards[forwardMostMove],
9369 PosFlags(forwardMostMove),
9370 fromY, fromX, toY, toX, promoChar,
9371 parseList[forwardMostMove]);
9373 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9374 int timeLeft; static int lastLoadFlag=0; int king, piece;
9375 piece = boards[forwardMostMove][fromY][fromX];
9376 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9377 if(gameInfo.variant == VariantKnightmate)
9378 king += (int) WhiteUnicorn - (int) WhiteKing;
9379 if(forwardMostMove == 0) {
9380 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9381 fprintf(serverMoves, "%s;", UserName());
9382 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9383 fprintf(serverMoves, "%s;", second.tidy);
9384 fprintf(serverMoves, "%s;", first.tidy);
9385 if(gameMode == MachinePlaysWhite)
9386 fprintf(serverMoves, "%s;", UserName());
9387 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9388 fprintf(serverMoves, "%s;", second.tidy);
9389 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9390 lastLoadFlag = loadFlag;
9392 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9393 // print castling suffix
9394 if( toY == fromY && piece == king ) {
9396 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9398 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9401 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9402 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9403 boards[forwardMostMove][toY][toX] == EmptySquare
9404 && fromX != toX && fromY != toY)
9405 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9407 if(promoChar != NULLCHAR)
9408 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9410 char buf[MOVE_LEN*2], *p; int len;
9411 fprintf(serverMoves, "/%d/%d",
9412 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9413 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9414 else timeLeft = blackTimeRemaining/1000;
9415 fprintf(serverMoves, "/%d", timeLeft);
9416 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9417 if(p = strchr(buf, '=')) *p = NULLCHAR;
9418 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9419 fprintf(serverMoves, "/%s", buf);
9421 fflush(serverMoves);
9424 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9425 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9428 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9429 if (commentList[forwardMostMove+1] != NULL) {
9430 free(commentList[forwardMostMove+1]);
9431 commentList[forwardMostMove+1] = NULL;
9433 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9434 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9435 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9436 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9437 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9438 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9439 adjustedClock = FALSE;
9440 gameInfo.result = GameUnfinished;
9441 if (gameInfo.resultDetails != NULL) {
9442 free(gameInfo.resultDetails);
9443 gameInfo.resultDetails = NULL;
9445 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9446 moveList[forwardMostMove - 1]);
9447 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9453 if(gameInfo.variant != VariantShogi)
9454 strcat(parseList[forwardMostMove - 1], "+");
9458 strcat(parseList[forwardMostMove - 1], "#");
9461 if (appData.debugMode) {
9462 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9467 /* Updates currentMove if not pausing */
9469 ShowMove (int fromX, int fromY, int toX, int toY)
9471 int instant = (gameMode == PlayFromGameFile) ?
9472 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9473 if(appData.noGUI) return;
9474 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9476 if (forwardMostMove == currentMove + 1) {
9477 AnimateMove(boards[forwardMostMove - 1],
9478 fromX, fromY, toX, toY);
9480 if (appData.highlightLastMove) {
9481 SetHighlights(fromX, fromY, toX, toY);
9484 currentMove = forwardMostMove;
9487 if (instant) return;
9489 DisplayMove(currentMove - 1);
9490 DrawPosition(FALSE, boards[currentMove]);
9491 DisplayBothClocks();
9492 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9496 SendEgtPath (ChessProgramState *cps)
9497 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9498 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9500 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9503 char c, *q = name+1, *r, *s;
9505 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9506 while(*p && *p != ',') *q++ = *p++;
9508 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9509 strcmp(name, ",nalimov:") == 0 ) {
9510 // take nalimov path from the menu-changeable option first, if it is defined
9511 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9512 SendToProgram(buf,cps); // send egtbpath command for nalimov
9514 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9515 (s = StrStr(appData.egtFormats, name)) != NULL) {
9516 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9517 s = r = StrStr(s, ":") + 1; // beginning of path info
9518 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9519 c = *r; *r = 0; // temporarily null-terminate path info
9520 *--q = 0; // strip of trailig ':' from name
9521 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9523 SendToProgram(buf,cps); // send egtbpath command for this format
9525 if(*p == ',') p++; // read away comma to position for next format name
9530 InitChessProgram (ChessProgramState *cps, int setup)
9531 /* setup needed to setup FRC opening position */
9533 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9534 if (appData.noChessProgram) return;
9535 hintRequested = FALSE;
9536 bookRequested = FALSE;
9538 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9539 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9540 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9541 if(cps->memSize) { /* [HGM] memory */
9542 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9543 SendToProgram(buf, cps);
9545 SendEgtPath(cps); /* [HGM] EGT */
9546 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9547 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9548 SendToProgram(buf, cps);
9551 SendToProgram(cps->initString, cps);
9552 if (gameInfo.variant != VariantNormal &&
9553 gameInfo.variant != VariantLoadable
9554 /* [HGM] also send variant if board size non-standard */
9555 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9557 char *v = VariantName(gameInfo.variant);
9558 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9559 /* [HGM] in protocol 1 we have to assume all variants valid */
9560 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9561 DisplayFatalError(buf, 0, 1);
9565 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9566 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9567 if( gameInfo.variant == VariantXiangqi )
9568 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9569 if( gameInfo.variant == VariantShogi )
9570 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9571 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9572 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9573 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9574 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9575 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9576 if( gameInfo.variant == VariantCourier )
9577 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9578 if( gameInfo.variant == VariantSuper )
9579 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9580 if( gameInfo.variant == VariantGreat )
9581 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9582 if( gameInfo.variant == VariantSChess )
9583 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9584 if( gameInfo.variant == VariantGrand )
9585 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9588 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9589 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9590 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9591 if(StrStr(cps->variants, b) == NULL) {
9592 // specific sized variant not known, check if general sizing allowed
9593 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9594 if(StrStr(cps->variants, "boardsize") == NULL) {
9595 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9596 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9597 DisplayFatalError(buf, 0, 1);
9600 /* [HGM] here we really should compare with the maximum supported board size */
9603 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9604 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9605 SendToProgram(buf, cps);
9607 currentlyInitializedVariant = gameInfo.variant;
9609 /* [HGM] send opening position in FRC to first engine */
9611 SendToProgram("force\n", cps);
9613 /* engine is now in force mode! Set flag to wake it up after first move. */
9614 setboardSpoiledMachineBlack = 1;
9618 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9619 SendToProgram(buf, cps);
9621 cps->maybeThinking = FALSE;
9622 cps->offeredDraw = 0;
9623 if (!appData.icsActive) {
9624 SendTimeControl(cps, movesPerSession, timeControl,
9625 timeIncrement, appData.searchDepth,
9628 if (appData.showThinking
9629 // [HGM] thinking: four options require thinking output to be sent
9630 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9632 SendToProgram("post\n", cps);
9634 SendToProgram("hard\n", cps);
9635 if (!appData.ponderNextMove) {
9636 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9637 it without being sure what state we are in first. "hard"
9638 is not a toggle, so that one is OK.
9640 SendToProgram("easy\n", cps);
9643 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9644 SendToProgram(buf, cps);
9646 cps->initDone = TRUE;
9647 ClearEngineOutputPane(cps == &second);
9652 StartChessProgram (ChessProgramState *cps)
9657 if (appData.noChessProgram) return;
9658 cps->initDone = FALSE;
9660 if (strcmp(cps->host, "localhost") == 0) {
9661 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9662 } else if (*appData.remoteShell == NULLCHAR) {
9663 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9665 if (*appData.remoteUser == NULLCHAR) {
9666 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9669 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9670 cps->host, appData.remoteUser, cps->program);
9672 err = StartChildProcess(buf, "", &cps->pr);
9676 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9677 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9678 if(cps != &first) return;
9679 appData.noChessProgram = TRUE;
9682 // DisplayFatalError(buf, err, 1);
9683 // cps->pr = NoProc;
9688 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9689 if (cps->protocolVersion > 1) {
9690 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9691 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9692 cps->comboCnt = 0; // and values of combo boxes
9693 SendToProgram(buf, cps);
9695 SendToProgram("xboard\n", cps);
9700 TwoMachinesEventIfReady P((void))
9702 static int curMess = 0;
9703 if (first.lastPing != first.lastPong) {
9704 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9705 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9708 if (second.lastPing != second.lastPong) {
9709 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9710 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9713 DisplayMessage("", ""); curMess = 0;
9719 MakeName (char *template)
9723 static char buf[MSG_SIZ];
9727 clock = time((time_t *)NULL);
9728 tm = localtime(&clock);
9730 while(*p++ = *template++) if(p[-1] == '%') {
9731 switch(*template++) {
9732 case 0: *p = 0; return buf;
9733 case 'Y': i = tm->tm_year+1900; break;
9734 case 'y': i = tm->tm_year-100; break;
9735 case 'M': i = tm->tm_mon+1; break;
9736 case 'd': i = tm->tm_mday; break;
9737 case 'h': i = tm->tm_hour; break;
9738 case 'm': i = tm->tm_min; break;
9739 case 's': i = tm->tm_sec; break;
9742 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9748 CountPlayers (char *p)
9751 while(p = strchr(p, '\n')) p++, n++; // count participants
9756 WriteTourneyFile (char *results, FILE *f)
9757 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9758 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9759 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9760 // create a file with tournament description
9761 fprintf(f, "-participants {%s}\n", appData.participants);
9762 fprintf(f, "-seedBase %d\n", appData.seedBase);
9763 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9764 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9765 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9766 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9767 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9768 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9769 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9770 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9771 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9772 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9773 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9774 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9776 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9778 fprintf(f, "-mps %d\n", appData.movesPerSession);
9779 fprintf(f, "-tc %s\n", appData.timeControl);
9780 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9782 fprintf(f, "-results \"%s\"\n", results);
9787 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9790 Substitute (char *participants, int expunge)
9792 int i, changed, changes=0, nPlayers=0;
9793 char *p, *q, *r, buf[MSG_SIZ];
9794 if(participants == NULL) return;
9795 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9796 r = p = participants; q = appData.participants;
9797 while(*p && *p == *q) {
9798 if(*p == '\n') r = p+1, nPlayers++;
9801 if(*p) { // difference
9802 while(*p && *p++ != '\n');
9803 while(*q && *q++ != '\n');
9805 changes = 1 + (strcmp(p, q) != 0);
9807 if(changes == 1) { // a single engine mnemonic was changed
9808 q = r; while(*q) nPlayers += (*q++ == '\n');
9809 p = buf; while(*r && (*p = *r++) != '\n') p++;
9811 NamesToList(firstChessProgramNames, command, mnemonic, "all");
9812 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9813 if(mnemonic[i]) { // The substitute is valid
9815 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9816 flock(fileno(f), LOCK_EX);
9817 ParseArgsFromFile(f);
9818 fseek(f, 0, SEEK_SET);
9819 FREE(appData.participants); appData.participants = participants;
9820 if(expunge) { // erase results of replaced engine
9821 int len = strlen(appData.results), w, b, dummy;
9822 for(i=0; i<len; i++) {
9823 Pairing(i, nPlayers, &w, &b, &dummy);
9824 if((w == changed || b == changed) && appData.results[i] == '*') {
9825 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9830 for(i=0; i<len; i++) {
9831 Pairing(i, nPlayers, &w, &b, &dummy);
9832 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9835 WriteTourneyFile(appData.results, f);
9836 fclose(f); // release lock
9839 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9841 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9842 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9848 CreateTourney (char *name)
9851 if(matchMode && strcmp(name, appData.tourneyFile)) {
9852 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9854 if(name[0] == NULLCHAR) {
9855 if(appData.participants[0])
9856 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9859 f = fopen(name, "r");
9860 if(f) { // file exists
9861 ASSIGN(appData.tourneyFile, name);
9862 ParseArgsFromFile(f); // parse it
9864 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9865 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9866 DisplayError(_("Not enough participants"), 0);
9869 ASSIGN(appData.tourneyFile, name);
9870 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9871 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9874 appData.noChessProgram = FALSE;
9875 appData.clockMode = TRUE;
9881 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
9883 char buf[MSG_SIZ], *p, *q;
9884 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
9885 skip = !all && group[0]; // if group requested, we start in skip mode
9886 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
9887 p = names; q = buf; header = 0;
9888 while(*p && *p != '\n') *q++ = *p++;
9892 if(strstr(buf, "# end") == buf) { depth--; continue; } // leave group, and suppress printing label
9893 depth++; // we must be entering a new group
9894 if(all) continue; // suppress printing group headers when complete list requested
9896 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
9898 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
9899 if(engineList[i]) free(engineList[i]);
9900 engineList[i] = strdup(buf);
9901 if(buf[0] != '#') TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
9902 if(engineMnemonic[i]) free(engineMnemonic[i]);
9903 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9905 sscanf(q + 8, "%s", buf + strlen(buf));
9908 engineMnemonic[i] = strdup(buf);
9911 engineList[i] = engineMnemonic[i] = NULL;
9915 // following implemented as macro to avoid type limitations
9916 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9920 { // swap settings for first engine and other engine (so far only some selected options)
9925 SWAP(chessProgram, p)
9927 SWAP(hasOwnBookUCI, h)
9928 SWAP(protocolVersion, h)
9930 SWAP(scoreIsAbsolute, h)
9939 SetPlayer (int player, char *p)
9940 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9942 char buf[MSG_SIZ], *engineName;
9943 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9944 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9945 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9947 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9948 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9949 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
9950 ParseArgsFromString(buf);
9956 char *recentEngines;
9959 RecentEngineEvent (int nr)
9962 // SwapEngines(1); // bump first to second
9963 // ReplaceEngine(&second, 1); // and load it there
9964 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
9965 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
9966 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
9967 ReplaceEngine(&first, 0);
9968 FloatToFront(&appData.recentEngineList, command[n]);
9973 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9974 { // determine players from game number
9975 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9977 if(appData.tourneyType == 0) {
9978 roundsPerCycle = (nPlayers - 1) | 1;
9979 pairingsPerRound = nPlayers / 2;
9980 } else if(appData.tourneyType > 0) {
9981 roundsPerCycle = nPlayers - appData.tourneyType;
9982 pairingsPerRound = appData.tourneyType;
9984 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9985 gamesPerCycle = gamesPerRound * roundsPerCycle;
9986 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9987 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9988 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9989 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9990 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9991 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9993 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9994 if(appData.roundSync) *syncInterval = gamesPerRound;
9996 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9998 if(appData.tourneyType == 0) {
9999 if(curPairing == (nPlayers-1)/2 ) {
10000 *whitePlayer = curRound;
10001 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10003 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10004 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10005 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10006 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10008 } else if(appData.tourneyType > 1) {
10009 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10010 *whitePlayer = curRound + appData.tourneyType;
10011 } else if(appData.tourneyType > 0) {
10012 *whitePlayer = curPairing;
10013 *blackPlayer = curRound + appData.tourneyType;
10016 // take care of white/black alternation per round.
10017 // For cycles and games this is already taken care of by default, derived from matchGame!
10018 return curRound & 1;
10022 NextTourneyGame (int nr, int *swapColors)
10023 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10025 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10027 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10028 tf = fopen(appData.tourneyFile, "r");
10029 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10030 ParseArgsFromFile(tf); fclose(tf);
10031 InitTimeControls(); // TC might be altered from tourney file
10033 nPlayers = CountPlayers(appData.participants); // count participants
10034 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10035 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10038 p = q = appData.results;
10039 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10040 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10041 DisplayMessage(_("Waiting for other game(s)"),"");
10042 waitingForGame = TRUE;
10043 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10046 waitingForGame = FALSE;
10049 if(appData.tourneyType < 0) {
10050 if(nr>=0 && !pairingReceived) {
10052 if(pairing.pr == NoProc) {
10053 if(!appData.pairingEngine[0]) {
10054 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10057 StartChessProgram(&pairing); // starts the pairing engine
10059 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10060 SendToProgram(buf, &pairing);
10061 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10062 SendToProgram(buf, &pairing);
10063 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10065 pairingReceived = 0; // ... so we continue here
10067 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10068 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10069 matchGame = 1; roundNr = nr / syncInterval + 1;
10072 if(first.pr != NoProc && second.pr != NoProc) return 1; // engines already loaded
10074 // redefine engines, engine dir, etc.
10075 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10076 if(first.pr == NoProc || nr < 0) {
10077 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10078 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10080 if(second.pr == NoProc) {
10082 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10083 SwapEngines(1); // and make that valid for second engine by swapping
10084 InitEngine(&second, 1);
10086 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10087 UpdateLogos(FALSE); // leave display to ModeHiglight()
10093 { // performs game initialization that does not invoke engines, and then tries to start the game
10094 int res, firstWhite, swapColors = 0;
10095 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10096 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10097 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10098 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10099 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10100 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10101 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10102 Reset(FALSE, first.pr != NoProc);
10103 res = LoadGameOrPosition(matchGame); // setup game
10104 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10105 if(!res) return; // abort when bad game/pos file
10106 TwoMachinesEvent();
10110 UserAdjudicationEvent (int result)
10112 ChessMove gameResult = GameIsDrawn;
10115 gameResult = WhiteWins;
10117 else if( result < 0 ) {
10118 gameResult = BlackWins;
10121 if( gameMode == TwoMachinesPlay ) {
10122 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10127 // [HGM] save: calculate checksum of game to make games easily identifiable
10129 StringCheckSum (char *s)
10132 if(s==NULL) return 0;
10133 while(*s) i = i*259 + *s++;
10141 for(i=backwardMostMove; i<forwardMostMove; i++) {
10142 sum += pvInfoList[i].depth;
10143 sum += StringCheckSum(parseList[i]);
10144 sum += StringCheckSum(commentList[i]);
10147 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10148 return sum + StringCheckSum(commentList[i]);
10149 } // end of save patch
10152 GameEnds (ChessMove result, char *resultDetails, int whosays)
10154 GameMode nextGameMode;
10156 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10158 if(endingGame) return; /* [HGM] crash: forbid recursion */
10160 if(twoBoards) { // [HGM] dual: switch back to one board
10161 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10162 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10164 if (appData.debugMode) {
10165 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10166 result, resultDetails ? resultDetails : "(null)", whosays);
10169 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10171 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10172 /* If we are playing on ICS, the server decides when the
10173 game is over, but the engine can offer to draw, claim
10177 if (appData.zippyPlay && first.initDone) {
10178 if (result == GameIsDrawn) {
10179 /* In case draw still needs to be claimed */
10180 SendToICS(ics_prefix);
10181 SendToICS("draw\n");
10182 } else if (StrCaseStr(resultDetails, "resign")) {
10183 SendToICS(ics_prefix);
10184 SendToICS("resign\n");
10188 endingGame = 0; /* [HGM] crash */
10192 /* If we're loading the game from a file, stop */
10193 if (whosays == GE_FILE) {
10194 (void) StopLoadGameTimer();
10198 /* Cancel draw offers */
10199 first.offeredDraw = second.offeredDraw = 0;
10201 /* If this is an ICS game, only ICS can really say it's done;
10202 if not, anyone can. */
10203 isIcsGame = (gameMode == IcsPlayingWhite ||
10204 gameMode == IcsPlayingBlack ||
10205 gameMode == IcsObserving ||
10206 gameMode == IcsExamining);
10208 if (!isIcsGame || whosays == GE_ICS) {
10209 /* OK -- not an ICS game, or ICS said it was done */
10211 if (!isIcsGame && !appData.noChessProgram)
10212 SetUserThinkingEnables();
10214 /* [HGM] if a machine claims the game end we verify this claim */
10215 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10216 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10218 ChessMove trueResult = (ChessMove) -1;
10220 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10221 first.twoMachinesColor[0] :
10222 second.twoMachinesColor[0] ;
10224 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10225 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10226 /* [HGM] verify: engine mate claims accepted if they were flagged */
10227 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10229 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10230 /* [HGM] verify: engine mate claims accepted if they were flagged */
10231 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10233 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10234 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10237 // now verify win claims, but not in drop games, as we don't understand those yet
10238 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10239 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10240 (result == WhiteWins && claimer == 'w' ||
10241 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10242 if (appData.debugMode) {
10243 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10244 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10246 if(result != trueResult) {
10247 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10248 result = claimer == 'w' ? BlackWins : WhiteWins;
10249 resultDetails = buf;
10252 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10253 && (forwardMostMove <= backwardMostMove ||
10254 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10255 (claimer=='b')==(forwardMostMove&1))
10257 /* [HGM] verify: draws that were not flagged are false claims */
10258 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10259 result = claimer == 'w' ? BlackWins : WhiteWins;
10260 resultDetails = buf;
10262 /* (Claiming a loss is accepted no questions asked!) */
10264 /* [HGM] bare: don't allow bare King to win */
10265 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10266 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10267 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10268 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10269 && result != GameIsDrawn)
10270 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10271 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10272 int p = (signed char)boards[forwardMostMove][i][j] - color;
10273 if(p >= 0 && p <= (int)WhiteKing) k++;
10275 if (appData.debugMode) {
10276 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10277 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10280 result = GameIsDrawn;
10281 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10282 resultDetails = buf;
10288 if(serverMoves != NULL && !loadFlag) { char c = '=';
10289 if(result==WhiteWins) c = '+';
10290 if(result==BlackWins) c = '-';
10291 if(resultDetails != NULL)
10292 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10294 if (resultDetails != NULL) {
10295 gameInfo.result = result;
10296 gameInfo.resultDetails = StrSave(resultDetails);
10298 /* display last move only if game was not loaded from file */
10299 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10300 DisplayMove(currentMove - 1);
10302 if (forwardMostMove != 0) {
10303 if (gameMode != PlayFromGameFile && gameMode != EditGame
10304 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10306 if (*appData.saveGameFile != NULLCHAR) {
10307 SaveGameToFile(appData.saveGameFile, TRUE);
10308 } else if (appData.autoSaveGames) {
10311 if (*appData.savePositionFile != NULLCHAR) {
10312 SavePositionToFile(appData.savePositionFile);
10317 /* Tell program how game ended in case it is learning */
10318 /* [HGM] Moved this to after saving the PGN, just in case */
10319 /* engine died and we got here through time loss. In that */
10320 /* case we will get a fatal error writing the pipe, which */
10321 /* would otherwise lose us the PGN. */
10322 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10323 /* output during GameEnds should never be fatal anymore */
10324 if (gameMode == MachinePlaysWhite ||
10325 gameMode == MachinePlaysBlack ||
10326 gameMode == TwoMachinesPlay ||
10327 gameMode == IcsPlayingWhite ||
10328 gameMode == IcsPlayingBlack ||
10329 gameMode == BeginningOfGame) {
10331 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10333 if (first.pr != NoProc) {
10334 SendToProgram(buf, &first);
10336 if (second.pr != NoProc &&
10337 gameMode == TwoMachinesPlay) {
10338 SendToProgram(buf, &second);
10343 if (appData.icsActive) {
10344 if (appData.quietPlay &&
10345 (gameMode == IcsPlayingWhite ||
10346 gameMode == IcsPlayingBlack)) {
10347 SendToICS(ics_prefix);
10348 SendToICS("set shout 1\n");
10350 nextGameMode = IcsIdle;
10351 ics_user_moved = FALSE;
10352 /* clean up premove. It's ugly when the game has ended and the
10353 * premove highlights are still on the board.
10356 gotPremove = FALSE;
10357 ClearPremoveHighlights();
10358 DrawPosition(FALSE, boards[currentMove]);
10360 if (whosays == GE_ICS) {
10363 if (gameMode == IcsPlayingWhite)
10365 else if(gameMode == IcsPlayingBlack)
10366 PlayIcsLossSound();
10369 if (gameMode == IcsPlayingBlack)
10371 else if(gameMode == IcsPlayingWhite)
10372 PlayIcsLossSound();
10375 PlayIcsDrawSound();
10378 PlayIcsUnfinishedSound();
10381 } else if (gameMode == EditGame ||
10382 gameMode == PlayFromGameFile ||
10383 gameMode == AnalyzeMode ||
10384 gameMode == AnalyzeFile) {
10385 nextGameMode = gameMode;
10387 nextGameMode = EndOfGame;
10392 nextGameMode = gameMode;
10395 if (appData.noChessProgram) {
10396 gameMode = nextGameMode;
10398 endingGame = 0; /* [HGM] crash */
10403 /* Put first chess program into idle state */
10404 if (first.pr != NoProc &&
10405 (gameMode == MachinePlaysWhite ||
10406 gameMode == MachinePlaysBlack ||
10407 gameMode == TwoMachinesPlay ||
10408 gameMode == IcsPlayingWhite ||
10409 gameMode == IcsPlayingBlack ||
10410 gameMode == BeginningOfGame)) {
10411 SendToProgram("force\n", &first);
10412 if (first.usePing) {
10414 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10415 SendToProgram(buf, &first);
10418 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10419 /* Kill off first chess program */
10420 if (first.isr != NULL)
10421 RemoveInputSource(first.isr);
10424 if (first.pr != NoProc) {
10426 DoSleep( appData.delayBeforeQuit );
10427 SendToProgram("quit\n", &first);
10428 DoSleep( appData.delayAfterQuit );
10429 DestroyChildProcess(first.pr, first.useSigterm);
10433 if (second.reuse) {
10434 /* Put second chess program into idle state */
10435 if (second.pr != NoProc &&
10436 gameMode == TwoMachinesPlay) {
10437 SendToProgram("force\n", &second);
10438 if (second.usePing) {
10440 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10441 SendToProgram(buf, &second);
10444 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10445 /* Kill off second chess program */
10446 if (second.isr != NULL)
10447 RemoveInputSource(second.isr);
10450 if (second.pr != NoProc) {
10451 DoSleep( appData.delayBeforeQuit );
10452 SendToProgram("quit\n", &second);
10453 DoSleep( appData.delayAfterQuit );
10454 DestroyChildProcess(second.pr, second.useSigterm);
10456 second.pr = NoProc;
10459 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10460 char resChar = '=';
10464 if (first.twoMachinesColor[0] == 'w') {
10467 second.matchWins++;
10472 if (first.twoMachinesColor[0] == 'b') {
10475 second.matchWins++;
10478 case GameUnfinished:
10484 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10485 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10486 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10487 ReserveGame(nextGame, resChar); // sets nextGame
10488 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10489 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10490 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10492 if (nextGame <= appData.matchGames && !abortMatch) {
10493 gameMode = nextGameMode;
10494 matchGame = nextGame; // this will be overruled in tourney mode!
10495 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10496 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10497 endingGame = 0; /* [HGM] crash */
10500 gameMode = nextGameMode;
10501 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10502 first.tidy, second.tidy,
10503 first.matchWins, second.matchWins,
10504 appData.matchGames - (first.matchWins + second.matchWins));
10505 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10506 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10507 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10508 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10509 first.twoMachinesColor = "black\n";
10510 second.twoMachinesColor = "white\n";
10512 first.twoMachinesColor = "white\n";
10513 second.twoMachinesColor = "black\n";
10517 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10518 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10520 gameMode = nextGameMode;
10522 endingGame = 0; /* [HGM] crash */
10523 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10524 if(matchMode == TRUE) { // match through command line: exit with or without popup
10526 ToNrEvent(forwardMostMove);
10527 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10529 } else DisplayFatalError(buf, 0, 0);
10530 } else { // match through menu; just stop, with or without popup
10531 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10534 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10535 } else DisplayNote(buf);
10537 if(ranking) free(ranking);
10541 /* Assumes program was just initialized (initString sent).
10542 Leaves program in force mode. */
10544 FeedMovesToProgram (ChessProgramState *cps, int upto)
10548 if (appData.debugMode)
10549 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10550 startedFromSetupPosition ? "position and " : "",
10551 backwardMostMove, upto, cps->which);
10552 if(currentlyInitializedVariant != gameInfo.variant) {
10554 // [HGM] variantswitch: make engine aware of new variant
10555 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10556 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10557 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10558 SendToProgram(buf, cps);
10559 currentlyInitializedVariant = gameInfo.variant;
10561 SendToProgram("force\n", cps);
10562 if (startedFromSetupPosition) {
10563 SendBoard(cps, backwardMostMove);
10564 if (appData.debugMode) {
10565 fprintf(debugFP, "feedMoves\n");
10568 for (i = backwardMostMove; i < upto; i++) {
10569 SendMoveToProgram(i, cps);
10575 ResurrectChessProgram ()
10577 /* The chess program may have exited.
10578 If so, restart it and feed it all the moves made so far. */
10579 static int doInit = 0;
10581 if (appData.noChessProgram) return 1;
10583 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10584 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10585 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10586 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10588 if (first.pr != NoProc) return 1;
10589 StartChessProgram(&first);
10591 InitChessProgram(&first, FALSE);
10592 FeedMovesToProgram(&first, currentMove);
10594 if (!first.sendTime) {
10595 /* can't tell gnuchess what its clock should read,
10596 so we bow to its notion. */
10598 timeRemaining[0][currentMove] = whiteTimeRemaining;
10599 timeRemaining[1][currentMove] = blackTimeRemaining;
10602 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10603 appData.icsEngineAnalyze) && first.analysisSupport) {
10604 SendToProgram("analyze\n", &first);
10605 first.analyzing = TRUE;
10611 * Button procedures
10614 Reset (int redraw, int init)
10618 if (appData.debugMode) {
10619 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10620 redraw, init, gameMode);
10622 CleanupTail(); // [HGM] vari: delete any stored variations
10623 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10624 pausing = pauseExamInvalid = FALSE;
10625 startedFromSetupPosition = blackPlaysFirst = FALSE;
10627 whiteFlag = blackFlag = FALSE;
10628 userOfferedDraw = FALSE;
10629 hintRequested = bookRequested = FALSE;
10630 first.maybeThinking = FALSE;
10631 second.maybeThinking = FALSE;
10632 first.bookSuspend = FALSE; // [HGM] book
10633 second.bookSuspend = FALSE;
10634 thinkOutput[0] = NULLCHAR;
10635 lastHint[0] = NULLCHAR;
10636 ClearGameInfo(&gameInfo);
10637 gameInfo.variant = StringToVariant(appData.variant);
10638 ics_user_moved = ics_clock_paused = FALSE;
10639 ics_getting_history = H_FALSE;
10641 white_holding[0] = black_holding[0] = NULLCHAR;
10642 ClearProgramStats();
10643 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10647 flipView = appData.flipView;
10648 ClearPremoveHighlights();
10649 gotPremove = FALSE;
10650 alarmSounded = FALSE;
10652 GameEnds(EndOfFile, NULL, GE_PLAYER);
10653 if(appData.serverMovesName != NULL) {
10654 /* [HGM] prepare to make moves file for broadcasting */
10655 clock_t t = clock();
10656 if(serverMoves != NULL) fclose(serverMoves);
10657 serverMoves = fopen(appData.serverMovesName, "r");
10658 if(serverMoves != NULL) {
10659 fclose(serverMoves);
10660 /* delay 15 sec before overwriting, so all clients can see end */
10661 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10663 serverMoves = fopen(appData.serverMovesName, "w");
10667 gameMode = BeginningOfGame;
10669 if(appData.icsActive) gameInfo.variant = VariantNormal;
10670 currentMove = forwardMostMove = backwardMostMove = 0;
10671 MarkTargetSquares(1);
10672 InitPosition(redraw);
10673 for (i = 0; i < MAX_MOVES; i++) {
10674 if (commentList[i] != NULL) {
10675 free(commentList[i]);
10676 commentList[i] = NULL;
10680 timeRemaining[0][0] = whiteTimeRemaining;
10681 timeRemaining[1][0] = blackTimeRemaining;
10683 if (first.pr == NoProc) {
10684 StartChessProgram(&first);
10687 InitChessProgram(&first, startedFromSetupPosition);
10690 DisplayMessage("", "");
10691 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10692 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10696 AutoPlayGameLoop ()
10699 if (!AutoPlayOneMove())
10701 if (matchMode || appData.timeDelay == 0)
10703 if (appData.timeDelay < 0)
10705 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10714 int fromX, fromY, toX, toY;
10716 if (appData.debugMode) {
10717 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10720 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10723 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10724 pvInfoList[currentMove].depth = programStats.depth;
10725 pvInfoList[currentMove].score = programStats.score;
10726 pvInfoList[currentMove].time = 0;
10727 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10730 if (currentMove >= forwardMostMove) {
10731 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10732 // gameMode = EndOfGame;
10733 // ModeHighlight();
10735 /* [AS] Clear current move marker at the end of a game */
10736 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10741 toX = moveList[currentMove][2] - AAA;
10742 toY = moveList[currentMove][3] - ONE;
10744 if (moveList[currentMove][1] == '@') {
10745 if (appData.highlightLastMove) {
10746 SetHighlights(-1, -1, toX, toY);
10749 fromX = moveList[currentMove][0] - AAA;
10750 fromY = moveList[currentMove][1] - ONE;
10752 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10754 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10756 if (appData.highlightLastMove) {
10757 SetHighlights(fromX, fromY, toX, toY);
10760 DisplayMove(currentMove);
10761 SendMoveToProgram(currentMove++, &first);
10762 DisplayBothClocks();
10763 DrawPosition(FALSE, boards[currentMove]);
10764 // [HGM] PV info: always display, routine tests if empty
10765 DisplayComment(currentMove - 1, commentList[currentMove]);
10771 LoadGameOneMove (ChessMove readAhead)
10773 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10774 char promoChar = NULLCHAR;
10775 ChessMove moveType;
10776 char move[MSG_SIZ];
10779 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10780 gameMode != AnalyzeMode && gameMode != Training) {
10785 yyboardindex = forwardMostMove;
10786 if (readAhead != EndOfFile) {
10787 moveType = readAhead;
10789 if (gameFileFP == NULL)
10791 moveType = (ChessMove) Myylex();
10795 switch (moveType) {
10797 if (appData.debugMode)
10798 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10801 /* append the comment but don't display it */
10802 AppendComment(currentMove, p, FALSE);
10805 case WhiteCapturesEnPassant:
10806 case BlackCapturesEnPassant:
10807 case WhitePromotion:
10808 case BlackPromotion:
10809 case WhiteNonPromotion:
10810 case BlackNonPromotion:
10812 case WhiteKingSideCastle:
10813 case WhiteQueenSideCastle:
10814 case BlackKingSideCastle:
10815 case BlackQueenSideCastle:
10816 case WhiteKingSideCastleWild:
10817 case WhiteQueenSideCastleWild:
10818 case BlackKingSideCastleWild:
10819 case BlackQueenSideCastleWild:
10821 case WhiteHSideCastleFR:
10822 case WhiteASideCastleFR:
10823 case BlackHSideCastleFR:
10824 case BlackASideCastleFR:
10826 if (appData.debugMode)
10827 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10828 fromX = currentMoveString[0] - AAA;
10829 fromY = currentMoveString[1] - ONE;
10830 toX = currentMoveString[2] - AAA;
10831 toY = currentMoveString[3] - ONE;
10832 promoChar = currentMoveString[4];
10837 if (appData.debugMode)
10838 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10839 fromX = moveType == WhiteDrop ?
10840 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10841 (int) CharToPiece(ToLower(currentMoveString[0]));
10843 toX = currentMoveString[2] - AAA;
10844 toY = currentMoveString[3] - ONE;
10850 case GameUnfinished:
10851 if (appData.debugMode)
10852 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10853 p = strchr(yy_text, '{');
10854 if (p == NULL) p = strchr(yy_text, '(');
10857 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10859 q = strchr(p, *p == '{' ? '}' : ')');
10860 if (q != NULL) *q = NULLCHAR;
10863 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10864 GameEnds(moveType, p, GE_FILE);
10866 if (cmailMsgLoaded) {
10868 flipView = WhiteOnMove(currentMove);
10869 if (moveType == GameUnfinished) flipView = !flipView;
10870 if (appData.debugMode)
10871 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10876 if (appData.debugMode)
10877 fprintf(debugFP, "Parser hit end of file\n");
10878 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10884 if (WhiteOnMove(currentMove)) {
10885 GameEnds(BlackWins, "Black mates", GE_FILE);
10887 GameEnds(WhiteWins, "White mates", GE_FILE);
10891 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10897 case MoveNumberOne:
10898 if (lastLoadGameStart == GNUChessGame) {
10899 /* GNUChessGames have numbers, but they aren't move numbers */
10900 if (appData.debugMode)
10901 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10902 yy_text, (int) moveType);
10903 return LoadGameOneMove(EndOfFile); /* tail recursion */
10905 /* else fall thru */
10910 /* Reached start of next game in file */
10911 if (appData.debugMode)
10912 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10913 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10919 if (WhiteOnMove(currentMove)) {
10920 GameEnds(BlackWins, "Black mates", GE_FILE);
10922 GameEnds(WhiteWins, "White mates", GE_FILE);
10926 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10932 case PositionDiagram: /* should not happen; ignore */
10933 case ElapsedTime: /* ignore */
10934 case NAG: /* ignore */
10935 if (appData.debugMode)
10936 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10937 yy_text, (int) moveType);
10938 return LoadGameOneMove(EndOfFile); /* tail recursion */
10941 if (appData.testLegality) {
10942 if (appData.debugMode)
10943 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10944 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10945 (forwardMostMove / 2) + 1,
10946 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10947 DisplayError(move, 0);
10950 if (appData.debugMode)
10951 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10952 yy_text, currentMoveString);
10953 fromX = currentMoveString[0] - AAA;
10954 fromY = currentMoveString[1] - ONE;
10955 toX = currentMoveString[2] - AAA;
10956 toY = currentMoveString[3] - ONE;
10957 promoChar = currentMoveString[4];
10961 case AmbiguousMove:
10962 if (appData.debugMode)
10963 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10964 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10965 (forwardMostMove / 2) + 1,
10966 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10967 DisplayError(move, 0);
10972 case ImpossibleMove:
10973 if (appData.debugMode)
10974 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10975 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10976 (forwardMostMove / 2) + 1,
10977 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10978 DisplayError(move, 0);
10984 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10985 DrawPosition(FALSE, boards[currentMove]);
10986 DisplayBothClocks();
10987 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10988 DisplayComment(currentMove - 1, commentList[currentMove]);
10990 (void) StopLoadGameTimer();
10992 cmailOldMove = forwardMostMove;
10995 /* currentMoveString is set as a side-effect of yylex */
10997 thinkOutput[0] = NULLCHAR;
10998 MakeMove(fromX, fromY, toX, toY, promoChar);
10999 currentMove = forwardMostMove;
11004 /* Load the nth game from the given file */
11006 LoadGameFromFile (char *filename, int n, char *title, int useList)
11011 if (strcmp(filename, "-") == 0) {
11015 f = fopen(filename, "rb");
11017 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11018 DisplayError(buf, errno);
11022 if (fseek(f, 0, 0) == -1) {
11023 /* f is not seekable; probably a pipe */
11026 if (useList && n == 0) {
11027 int error = GameListBuild(f);
11029 DisplayError(_("Cannot build game list"), error);
11030 } else if (!ListEmpty(&gameList) &&
11031 ((ListGame *) gameList.tailPred)->number > 1) {
11032 GameListPopUp(f, title);
11039 return LoadGame(f, n, title, FALSE);
11044 MakeRegisteredMove ()
11046 int fromX, fromY, toX, toY;
11048 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11049 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11052 if (appData.debugMode)
11053 fprintf(debugFP, "Restoring %s for game %d\n",
11054 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11056 thinkOutput[0] = NULLCHAR;
11057 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11058 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11059 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11060 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11061 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11062 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11063 MakeMove(fromX, fromY, toX, toY, promoChar);
11064 ShowMove(fromX, fromY, toX, toY);
11066 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11073 if (WhiteOnMove(currentMove)) {
11074 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11076 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11081 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11088 if (WhiteOnMove(currentMove)) {
11089 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11091 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11096 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11107 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11109 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11113 if (gameNumber > nCmailGames) {
11114 DisplayError(_("No more games in this message"), 0);
11117 if (f == lastLoadGameFP) {
11118 int offset = gameNumber - lastLoadGameNumber;
11120 cmailMsg[0] = NULLCHAR;
11121 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11122 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11123 nCmailMovesRegistered--;
11125 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11126 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11127 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11130 if (! RegisterMove()) return FALSE;
11134 retVal = LoadGame(f, gameNumber, title, useList);
11136 /* Make move registered during previous look at this game, if any */
11137 MakeRegisteredMove();
11139 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11140 commentList[currentMove]
11141 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11142 DisplayComment(currentMove - 1, commentList[currentMove]);
11148 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11150 ReloadGame (int offset)
11152 int gameNumber = lastLoadGameNumber + offset;
11153 if (lastLoadGameFP == NULL) {
11154 DisplayError(_("No game has been loaded yet"), 0);
11157 if (gameNumber <= 0) {
11158 DisplayError(_("Can't back up any further"), 0);
11161 if (cmailMsgLoaded) {
11162 return CmailLoadGame(lastLoadGameFP, gameNumber,
11163 lastLoadGameTitle, lastLoadGameUseList);
11165 return LoadGame(lastLoadGameFP, gameNumber,
11166 lastLoadGameTitle, lastLoadGameUseList);
11170 int keys[EmptySquare+1];
11173 PositionMatches (Board b1, Board b2)
11176 switch(appData.searchMode) {
11177 case 1: return CompareWithRights(b1, b2);
11179 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11180 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11184 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11185 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11186 sum += keys[b1[r][f]] - keys[b2[r][f]];
11190 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11191 sum += keys[b1[r][f]] - keys[b2[r][f]];
11203 int pieceList[256], quickBoard[256];
11204 ChessSquare pieceType[256] = { EmptySquare };
11205 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11206 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11207 int soughtTotal, turn;
11208 Boolean epOK, flipSearch;
11211 unsigned char piece, to;
11214 #define DSIZE (250000)
11216 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11217 Move *moveDatabase = initialSpace;
11218 unsigned int movePtr, dataSize = DSIZE;
11221 MakePieceList (Board board, int *counts)
11223 int r, f, n=Q_PROMO, total=0;
11224 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11225 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11226 int sq = f + (r<<4);
11227 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11228 quickBoard[sq] = ++n;
11230 pieceType[n] = board[r][f];
11231 counts[board[r][f]]++;
11232 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11233 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11237 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11242 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11244 int sq = fromX + (fromY<<4);
11245 int piece = quickBoard[sq];
11246 quickBoard[sq] = 0;
11247 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11248 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11249 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11250 moveDatabase[movePtr++].piece = Q_WCASTL;
11251 quickBoard[sq] = piece;
11252 piece = quickBoard[from]; quickBoard[from] = 0;
11253 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11255 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11256 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11257 moveDatabase[movePtr++].piece = Q_BCASTL;
11258 quickBoard[sq] = piece;
11259 piece = quickBoard[from]; quickBoard[from] = 0;
11260 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11262 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11263 quickBoard[(fromY<<4)+toX] = 0;
11264 moveDatabase[movePtr].piece = Q_EP;
11265 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11266 moveDatabase[movePtr].to = sq;
11268 if(promoPiece != pieceType[piece]) {
11269 moveDatabase[movePtr++].piece = Q_PROMO;
11270 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11272 moveDatabase[movePtr].piece = piece;
11273 quickBoard[sq] = piece;
11278 PackGame (Board board)
11280 Move *newSpace = NULL;
11281 moveDatabase[movePtr].piece = 0; // terminate previous game
11282 if(movePtr > dataSize) {
11283 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11284 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11285 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11288 Move *p = moveDatabase, *q = newSpace;
11289 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11290 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11291 moveDatabase = newSpace;
11292 } else { // calloc failed, we must be out of memory. Too bad...
11293 dataSize = 0; // prevent calloc events for all subsequent games
11294 return 0; // and signal this one isn't cached
11298 MakePieceList(board, counts);
11303 QuickCompare (Board board, int *minCounts, int *maxCounts)
11304 { // compare according to search mode
11306 switch(appData.searchMode)
11308 case 1: // exact position match
11309 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11310 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11311 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11314 case 2: // can have extra material on empty squares
11315 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11316 if(board[r][f] == EmptySquare) continue;
11317 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11320 case 3: // material with exact Pawn structure
11321 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11322 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11323 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11324 } // fall through to material comparison
11325 case 4: // exact material
11326 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11328 case 6: // material range with given imbalance
11329 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11330 // fall through to range comparison
11331 case 5: // material range
11332 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11338 QuickScan (Board board, Move *move)
11339 { // reconstruct game,and compare all positions in it
11340 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11342 int piece = move->piece;
11343 int to = move->to, from = pieceList[piece];
11344 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11345 if(!piece) return -1;
11346 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11347 piece = (++move)->piece;
11348 from = pieceList[piece];
11349 counts[pieceType[piece]]--;
11350 pieceType[piece] = (ChessSquare) move->to;
11351 counts[move->to]++;
11352 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11353 counts[pieceType[quickBoard[to]]]--;
11354 quickBoard[to] = 0; total--;
11357 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11358 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11359 from = pieceList[piece]; // so this must be King
11360 quickBoard[from] = 0;
11361 quickBoard[to] = piece;
11362 pieceList[piece] = to;
11367 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11368 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11369 quickBoard[from] = 0;
11370 quickBoard[to] = piece;
11371 pieceList[piece] = to;
11373 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11374 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11375 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11376 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11378 static int lastCounts[EmptySquare+1];
11380 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11381 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11382 } else stretch = 0;
11383 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11392 flipSearch = FALSE;
11393 CopyBoard(soughtBoard, boards[currentMove]);
11394 soughtTotal = MakePieceList(soughtBoard, maxSought);
11395 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11396 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11397 CopyBoard(reverseBoard, boards[currentMove]);
11398 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11399 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11400 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11401 reverseBoard[r][f] = piece;
11403 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11404 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11405 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11406 || (boards[currentMove][CASTLING][2] == NoRights ||
11407 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11408 && (boards[currentMove][CASTLING][5] == NoRights ||
11409 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11412 CopyBoard(flipBoard, soughtBoard);
11413 CopyBoard(rotateBoard, reverseBoard);
11414 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11415 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11416 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11419 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11420 if(appData.searchMode >= 5) {
11421 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11422 MakePieceList(soughtBoard, minSought);
11423 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11425 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11426 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11429 GameInfo dummyInfo;
11432 GameContainsPosition (FILE *f, ListGame *lg)
11434 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11435 int fromX, fromY, toX, toY;
11437 static int initDone=FALSE;
11439 // weed out games based on numerical tag comparison
11440 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11441 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11442 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11443 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11445 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11448 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11449 else CopyBoard(boards[scratch], initialPosition); // default start position
11452 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11453 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11456 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11457 fseek(f, lg->offset, 0);
11460 yyboardindex = scratch;
11461 quickFlag = plyNr+1;
11466 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11472 if(plyNr) return -1; // after we have seen moves, this is for new game
11475 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11476 case ImpossibleMove:
11477 case WhiteWins: // game ends here with these four
11480 case GameUnfinished:
11484 if(appData.testLegality) return -1;
11485 case WhiteCapturesEnPassant:
11486 case BlackCapturesEnPassant:
11487 case WhitePromotion:
11488 case BlackPromotion:
11489 case WhiteNonPromotion:
11490 case BlackNonPromotion:
11492 case WhiteKingSideCastle:
11493 case WhiteQueenSideCastle:
11494 case BlackKingSideCastle:
11495 case BlackQueenSideCastle:
11496 case WhiteKingSideCastleWild:
11497 case WhiteQueenSideCastleWild:
11498 case BlackKingSideCastleWild:
11499 case BlackQueenSideCastleWild:
11500 case WhiteHSideCastleFR:
11501 case WhiteASideCastleFR:
11502 case BlackHSideCastleFR:
11503 case BlackASideCastleFR:
11504 fromX = currentMoveString[0] - AAA;
11505 fromY = currentMoveString[1] - ONE;
11506 toX = currentMoveString[2] - AAA;
11507 toY = currentMoveString[3] - ONE;
11508 promoChar = currentMoveString[4];
11512 fromX = next == WhiteDrop ?
11513 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11514 (int) CharToPiece(ToLower(currentMoveString[0]));
11516 toX = currentMoveString[2] - AAA;
11517 toY = currentMoveString[3] - ONE;
11521 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11523 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11524 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11525 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11526 if(appData.findMirror) {
11527 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11528 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11533 /* Load the nth game from open file f */
11535 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11539 int gn = gameNumber;
11540 ListGame *lg = NULL;
11541 int numPGNTags = 0;
11543 GameMode oldGameMode;
11544 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11546 if (appData.debugMode)
11547 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11549 if (gameMode == Training )
11550 SetTrainingModeOff();
11552 oldGameMode = gameMode;
11553 if (gameMode != BeginningOfGame) {
11554 Reset(FALSE, TRUE);
11558 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11559 fclose(lastLoadGameFP);
11563 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11566 fseek(f, lg->offset, 0);
11567 GameListHighlight(gameNumber);
11568 pos = lg->position;
11572 DisplayError(_("Game number out of range"), 0);
11577 if (fseek(f, 0, 0) == -1) {
11578 if (f == lastLoadGameFP ?
11579 gameNumber == lastLoadGameNumber + 1 :
11583 DisplayError(_("Can't seek on game file"), 0);
11588 lastLoadGameFP = f;
11589 lastLoadGameNumber = gameNumber;
11590 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11591 lastLoadGameUseList = useList;
11595 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11596 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11597 lg->gameInfo.black);
11599 } else if (*title != NULLCHAR) {
11600 if (gameNumber > 1) {
11601 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11604 DisplayTitle(title);
11608 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11609 gameMode = PlayFromGameFile;
11613 currentMove = forwardMostMove = backwardMostMove = 0;
11614 CopyBoard(boards[0], initialPosition);
11618 * Skip the first gn-1 games in the file.
11619 * Also skip over anything that precedes an identifiable
11620 * start of game marker, to avoid being confused by
11621 * garbage at the start of the file. Currently
11622 * recognized start of game markers are the move number "1",
11623 * the pattern "gnuchess .* game", the pattern
11624 * "^[#;%] [^ ]* game file", and a PGN tag block.
11625 * A game that starts with one of the latter two patterns
11626 * will also have a move number 1, possibly
11627 * following a position diagram.
11628 * 5-4-02: Let's try being more lenient and allowing a game to
11629 * start with an unnumbered move. Does that break anything?
11631 cm = lastLoadGameStart = EndOfFile;
11633 yyboardindex = forwardMostMove;
11634 cm = (ChessMove) Myylex();
11637 if (cmailMsgLoaded) {
11638 nCmailGames = CMAIL_MAX_GAMES - gn;
11641 DisplayError(_("Game not found in file"), 0);
11648 lastLoadGameStart = cm;
11651 case MoveNumberOne:
11652 switch (lastLoadGameStart) {
11657 case MoveNumberOne:
11659 gn--; /* count this game */
11660 lastLoadGameStart = cm;
11669 switch (lastLoadGameStart) {
11672 case MoveNumberOne:
11674 gn--; /* count this game */
11675 lastLoadGameStart = cm;
11678 lastLoadGameStart = cm; /* game counted already */
11686 yyboardindex = forwardMostMove;
11687 cm = (ChessMove) Myylex();
11688 } while (cm == PGNTag || cm == Comment);
11695 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11696 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11697 != CMAIL_OLD_RESULT) {
11699 cmailResult[ CMAIL_MAX_GAMES
11700 - gn - 1] = CMAIL_OLD_RESULT;
11706 /* Only a NormalMove can be at the start of a game
11707 * without a position diagram. */
11708 if (lastLoadGameStart == EndOfFile ) {
11710 lastLoadGameStart = MoveNumberOne;
11719 if (appData.debugMode)
11720 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11722 if (cm == XBoardGame) {
11723 /* Skip any header junk before position diagram and/or move 1 */
11725 yyboardindex = forwardMostMove;
11726 cm = (ChessMove) Myylex();
11728 if (cm == EndOfFile ||
11729 cm == GNUChessGame || cm == XBoardGame) {
11730 /* Empty game; pretend end-of-file and handle later */
11735 if (cm == MoveNumberOne || cm == PositionDiagram ||
11736 cm == PGNTag || cm == Comment)
11739 } else if (cm == GNUChessGame) {
11740 if (gameInfo.event != NULL) {
11741 free(gameInfo.event);
11743 gameInfo.event = StrSave(yy_text);
11746 startedFromSetupPosition = FALSE;
11747 while (cm == PGNTag) {
11748 if (appData.debugMode)
11749 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11750 err = ParsePGNTag(yy_text, &gameInfo);
11751 if (!err) numPGNTags++;
11753 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11754 if(gameInfo.variant != oldVariant) {
11755 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11756 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11757 InitPosition(TRUE);
11758 oldVariant = gameInfo.variant;
11759 if (appData.debugMode)
11760 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11764 if (gameInfo.fen != NULL) {
11765 Board initial_position;
11766 startedFromSetupPosition = TRUE;
11767 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11769 DisplayError(_("Bad FEN position in file"), 0);
11772 CopyBoard(boards[0], initial_position);
11773 if (blackPlaysFirst) {
11774 currentMove = forwardMostMove = backwardMostMove = 1;
11775 CopyBoard(boards[1], initial_position);
11776 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11777 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11778 timeRemaining[0][1] = whiteTimeRemaining;
11779 timeRemaining[1][1] = blackTimeRemaining;
11780 if (commentList[0] != NULL) {
11781 commentList[1] = commentList[0];
11782 commentList[0] = NULL;
11785 currentMove = forwardMostMove = backwardMostMove = 0;
11787 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11789 initialRulePlies = FENrulePlies;
11790 for( i=0; i< nrCastlingRights; i++ )
11791 initialRights[i] = initial_position[CASTLING][i];
11793 yyboardindex = forwardMostMove;
11794 free(gameInfo.fen);
11795 gameInfo.fen = NULL;
11798 yyboardindex = forwardMostMove;
11799 cm = (ChessMove) Myylex();
11801 /* Handle comments interspersed among the tags */
11802 while (cm == Comment) {
11804 if (appData.debugMode)
11805 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11807 AppendComment(currentMove, p, FALSE);
11808 yyboardindex = forwardMostMove;
11809 cm = (ChessMove) Myylex();
11813 /* don't rely on existence of Event tag since if game was
11814 * pasted from clipboard the Event tag may not exist
11816 if (numPGNTags > 0){
11818 if (gameInfo.variant == VariantNormal) {
11819 VariantClass v = StringToVariant(gameInfo.event);
11820 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11821 if(v < VariantShogi) gameInfo.variant = v;
11824 if( appData.autoDisplayTags ) {
11825 tags = PGNTags(&gameInfo);
11826 TagsPopUp(tags, CmailMsg());
11831 /* Make something up, but don't display it now */
11836 if (cm == PositionDiagram) {
11839 Board initial_position;
11841 if (appData.debugMode)
11842 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11844 if (!startedFromSetupPosition) {
11846 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11847 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11858 initial_position[i][j++] = CharToPiece(*p);
11861 while (*p == ' ' || *p == '\t' ||
11862 *p == '\n' || *p == '\r') p++;
11864 if (strncmp(p, "black", strlen("black"))==0)
11865 blackPlaysFirst = TRUE;
11867 blackPlaysFirst = FALSE;
11868 startedFromSetupPosition = TRUE;
11870 CopyBoard(boards[0], initial_position);
11871 if (blackPlaysFirst) {
11872 currentMove = forwardMostMove = backwardMostMove = 1;
11873 CopyBoard(boards[1], initial_position);
11874 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11875 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11876 timeRemaining[0][1] = whiteTimeRemaining;
11877 timeRemaining[1][1] = blackTimeRemaining;
11878 if (commentList[0] != NULL) {
11879 commentList[1] = commentList[0];
11880 commentList[0] = NULL;
11883 currentMove = forwardMostMove = backwardMostMove = 0;
11886 yyboardindex = forwardMostMove;
11887 cm = (ChessMove) Myylex();
11890 if (first.pr == NoProc) {
11891 StartChessProgram(&first);
11893 InitChessProgram(&first, FALSE);
11894 SendToProgram("force\n", &first);
11895 if (startedFromSetupPosition) {
11896 SendBoard(&first, forwardMostMove);
11897 if (appData.debugMode) {
11898 fprintf(debugFP, "Load Game\n");
11900 DisplayBothClocks();
11903 /* [HGM] server: flag to write setup moves in broadcast file as one */
11904 loadFlag = appData.suppressLoadMoves;
11906 while (cm == Comment) {
11908 if (appData.debugMode)
11909 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11911 AppendComment(currentMove, p, FALSE);
11912 yyboardindex = forwardMostMove;
11913 cm = (ChessMove) Myylex();
11916 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11917 cm == WhiteWins || cm == BlackWins ||
11918 cm == GameIsDrawn || cm == GameUnfinished) {
11919 DisplayMessage("", _("No moves in game"));
11920 if (cmailMsgLoaded) {
11921 if (appData.debugMode)
11922 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11926 DrawPosition(FALSE, boards[currentMove]);
11927 DisplayBothClocks();
11928 gameMode = EditGame;
11935 // [HGM] PV info: routine tests if comment empty
11936 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11937 DisplayComment(currentMove - 1, commentList[currentMove]);
11939 if (!matchMode && appData.timeDelay != 0)
11940 DrawPosition(FALSE, boards[currentMove]);
11942 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11943 programStats.ok_to_send = 1;
11946 /* if the first token after the PGN tags is a move
11947 * and not move number 1, retrieve it from the parser
11949 if (cm != MoveNumberOne)
11950 LoadGameOneMove(cm);
11952 /* load the remaining moves from the file */
11953 while (LoadGameOneMove(EndOfFile)) {
11954 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11955 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11958 /* rewind to the start of the game */
11959 currentMove = backwardMostMove;
11961 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11963 if (oldGameMode == AnalyzeFile ||
11964 oldGameMode == AnalyzeMode) {
11965 AnalyzeFileEvent();
11968 if (!matchMode && pos >= 0) {
11969 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11971 if (matchMode || appData.timeDelay == 0) {
11973 } else if (appData.timeDelay > 0) {
11974 AutoPlayGameLoop();
11977 if (appData.debugMode)
11978 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11980 loadFlag = 0; /* [HGM] true game starts */
11984 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11986 ReloadPosition (int offset)
11988 int positionNumber = lastLoadPositionNumber + offset;
11989 if (lastLoadPositionFP == NULL) {
11990 DisplayError(_("No position has been loaded yet"), 0);
11993 if (positionNumber <= 0) {
11994 DisplayError(_("Can't back up any further"), 0);
11997 return LoadPosition(lastLoadPositionFP, positionNumber,
11998 lastLoadPositionTitle);
12001 /* Load the nth position from the given file */
12003 LoadPositionFromFile (char *filename, int n, char *title)
12008 if (strcmp(filename, "-") == 0) {
12009 return LoadPosition(stdin, n, "stdin");
12011 f = fopen(filename, "rb");
12013 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12014 DisplayError(buf, errno);
12017 return LoadPosition(f, n, title);
12022 /* Load the nth position from the given open file, and close it */
12024 LoadPosition (FILE *f, int positionNumber, char *title)
12026 char *p, line[MSG_SIZ];
12027 Board initial_position;
12028 int i, j, fenMode, pn;
12030 if (gameMode == Training )
12031 SetTrainingModeOff();
12033 if (gameMode != BeginningOfGame) {
12034 Reset(FALSE, TRUE);
12036 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12037 fclose(lastLoadPositionFP);
12039 if (positionNumber == 0) positionNumber = 1;
12040 lastLoadPositionFP = f;
12041 lastLoadPositionNumber = positionNumber;
12042 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12043 if (first.pr == NoProc && !appData.noChessProgram) {
12044 StartChessProgram(&first);
12045 InitChessProgram(&first, FALSE);
12047 pn = positionNumber;
12048 if (positionNumber < 0) {
12049 /* Negative position number means to seek to that byte offset */
12050 if (fseek(f, -positionNumber, 0) == -1) {
12051 DisplayError(_("Can't seek on position file"), 0);
12056 if (fseek(f, 0, 0) == -1) {
12057 if (f == lastLoadPositionFP ?
12058 positionNumber == lastLoadPositionNumber + 1 :
12059 positionNumber == 1) {
12062 DisplayError(_("Can't seek on position file"), 0);
12067 /* See if this file is FEN or old-style xboard */
12068 if (fgets(line, MSG_SIZ, f) == NULL) {
12069 DisplayError(_("Position not found in file"), 0);
12072 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12073 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12076 if (fenMode || line[0] == '#') pn--;
12078 /* skip positions before number pn */
12079 if (fgets(line, MSG_SIZ, f) == NULL) {
12081 DisplayError(_("Position not found in file"), 0);
12084 if (fenMode || line[0] == '#') pn--;
12089 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12090 DisplayError(_("Bad FEN position in file"), 0);
12094 (void) fgets(line, MSG_SIZ, f);
12095 (void) fgets(line, MSG_SIZ, f);
12097 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12098 (void) fgets(line, MSG_SIZ, f);
12099 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12102 initial_position[i][j++] = CharToPiece(*p);
12106 blackPlaysFirst = FALSE;
12108 (void) fgets(line, MSG_SIZ, f);
12109 if (strncmp(line, "black", strlen("black"))==0)
12110 blackPlaysFirst = TRUE;
12113 startedFromSetupPosition = TRUE;
12115 CopyBoard(boards[0], initial_position);
12116 if (blackPlaysFirst) {
12117 currentMove = forwardMostMove = backwardMostMove = 1;
12118 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12119 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12120 CopyBoard(boards[1], initial_position);
12121 DisplayMessage("", _("Black to play"));
12123 currentMove = forwardMostMove = backwardMostMove = 0;
12124 DisplayMessage("", _("White to play"));
12126 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12127 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12128 SendToProgram("force\n", &first);
12129 SendBoard(&first, forwardMostMove);
12131 if (appData.debugMode) {
12133 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12134 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12135 fprintf(debugFP, "Load Position\n");
12138 if (positionNumber > 1) {
12139 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12140 DisplayTitle(line);
12142 DisplayTitle(title);
12144 gameMode = EditGame;
12147 timeRemaining[0][1] = whiteTimeRemaining;
12148 timeRemaining[1][1] = blackTimeRemaining;
12149 DrawPosition(FALSE, boards[currentMove]);
12156 CopyPlayerNameIntoFileName (char **dest, char *src)
12158 while (*src != NULLCHAR && *src != ',') {
12163 *(*dest)++ = *src++;
12169 DefaultFileName (char *ext)
12171 static char def[MSG_SIZ];
12174 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12176 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12178 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12180 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12187 /* Save the current game to the given file */
12189 SaveGameToFile (char *filename, int append)
12193 int result, i, t,tot=0;
12195 if (strcmp(filename, "-") == 0) {
12196 return SaveGame(stdout, 0, NULL);
12198 for(i=0; i<10; i++) { // upto 10 tries
12199 f = fopen(filename, append ? "a" : "w");
12200 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12201 if(f || errno != 13) break;
12202 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12206 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12207 DisplayError(buf, errno);
12210 safeStrCpy(buf, lastMsg, MSG_SIZ);
12211 DisplayMessage(_("Waiting for access to save file"), "");
12212 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12213 DisplayMessage(_("Saving game"), "");
12214 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12215 result = SaveGame(f, 0, NULL);
12216 DisplayMessage(buf, "");
12223 SavePart (char *str)
12225 static char buf[MSG_SIZ];
12228 p = strchr(str, ' ');
12229 if (p == NULL) return str;
12230 strncpy(buf, str, p - str);
12231 buf[p - str] = NULLCHAR;
12235 #define PGN_MAX_LINE 75
12237 #define PGN_SIDE_WHITE 0
12238 #define PGN_SIDE_BLACK 1
12241 FindFirstMoveOutOfBook (int side)
12245 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12246 int index = backwardMostMove;
12247 int has_book_hit = 0;
12249 if( (index % 2) != side ) {
12253 while( index < forwardMostMove ) {
12254 /* Check to see if engine is in book */
12255 int depth = pvInfoList[index].depth;
12256 int score = pvInfoList[index].score;
12262 else if( score == 0 && depth == 63 ) {
12263 in_book = 1; /* Zappa */
12265 else if( score == 2 && depth == 99 ) {
12266 in_book = 1; /* Abrok */
12269 has_book_hit += in_book;
12285 GetOutOfBookInfo (char * buf)
12289 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12291 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12292 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12296 if( oob[0] >= 0 || oob[1] >= 0 ) {
12297 for( i=0; i<2; i++ ) {
12301 if( i > 0 && oob[0] >= 0 ) {
12302 strcat( buf, " " );
12305 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12306 sprintf( buf+strlen(buf), "%s%.2f",
12307 pvInfoList[idx].score >= 0 ? "+" : "",
12308 pvInfoList[idx].score / 100.0 );
12314 /* Save game in PGN style and close the file */
12316 SaveGamePGN (FILE *f)
12318 int i, offset, linelen, newblock;
12322 int movelen, numlen, blank;
12323 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12325 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12327 tm = time((time_t *) NULL);
12329 PrintPGNTags(f, &gameInfo);
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);
13433 DisplayMessage("", "");
13434 if (startedFromSetupPosition) {
13435 SendBoard(&second, backwardMostMove);
13436 if (appData.debugMode) {
13437 fprintf(debugFP, "Two Machines\n");
13440 for (i = backwardMostMove; i < forwardMostMove; i++) {
13441 SendMoveToProgram(i, &second);
13444 gameMode = TwoMachinesPlay;
13446 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13448 DisplayTwoMachinesTitle();
13450 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13455 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13456 SendToProgram(first.computerString, &first);
13457 if (first.sendName) {
13458 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13459 SendToProgram(buf, &first);
13461 SendToProgram(second.computerString, &second);
13462 if (second.sendName) {
13463 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13464 SendToProgram(buf, &second);
13468 if (!first.sendTime || !second.sendTime) {
13469 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13470 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13472 if (onmove->sendTime) {
13473 if (onmove->useColors) {
13474 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13476 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13478 if (onmove->useColors) {
13479 SendToProgram(onmove->twoMachinesColor, onmove);
13481 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13482 // SendToProgram("go\n", onmove);
13483 onmove->maybeThinking = TRUE;
13484 SetMachineThinkingEnables();
13488 if(bookHit) { // [HGM] book: simulate book reply
13489 static char bookMove[MSG_SIZ]; // a bit generous?
13491 programStats.nodes = programStats.depth = programStats.time =
13492 programStats.score = programStats.got_only_move = 0;
13493 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13495 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13496 strcat(bookMove, bookHit);
13497 savedMessage = bookMove; // args for deferred call
13498 savedState = onmove;
13499 ScheduleDelayedEvent(DeferredBookMove, 1);
13506 if (gameMode == Training) {
13507 SetTrainingModeOff();
13508 gameMode = PlayFromGameFile;
13509 DisplayMessage("", _("Training mode off"));
13511 gameMode = Training;
13512 animateTraining = appData.animate;
13514 /* make sure we are not already at the end of the game */
13515 if (currentMove < forwardMostMove) {
13516 SetTrainingModeOn();
13517 DisplayMessage("", _("Training mode on"));
13519 gameMode = PlayFromGameFile;
13520 DisplayError(_("Already at end of game"), 0);
13529 if (!appData.icsActive) return;
13530 switch (gameMode) {
13531 case IcsPlayingWhite:
13532 case IcsPlayingBlack:
13535 case BeginningOfGame:
13543 EditPositionDone(TRUE);
13556 gameMode = IcsIdle;
13566 switch (gameMode) {
13568 SetTrainingModeOff();
13570 case MachinePlaysWhite:
13571 case MachinePlaysBlack:
13572 case BeginningOfGame:
13573 SendToProgram("force\n", &first);
13574 SetUserThinkingEnables();
13576 case PlayFromGameFile:
13577 (void) StopLoadGameTimer();
13578 if (gameFileFP != NULL) {
13583 EditPositionDone(TRUE);
13588 SendToProgram("force\n", &first);
13590 case TwoMachinesPlay:
13591 GameEnds(EndOfFile, NULL, GE_PLAYER);
13592 ResurrectChessProgram();
13593 SetUserThinkingEnables();
13596 ResurrectChessProgram();
13598 case IcsPlayingBlack:
13599 case IcsPlayingWhite:
13600 DisplayError(_("Warning: You are still playing a game"), 0);
13603 DisplayError(_("Warning: You are still observing a game"), 0);
13606 DisplayError(_("Warning: You are still examining a game"), 0);
13617 first.offeredDraw = second.offeredDraw = 0;
13619 if (gameMode == PlayFromGameFile) {
13620 whiteTimeRemaining = timeRemaining[0][currentMove];
13621 blackTimeRemaining = timeRemaining[1][currentMove];
13625 if (gameMode == MachinePlaysWhite ||
13626 gameMode == MachinePlaysBlack ||
13627 gameMode == TwoMachinesPlay ||
13628 gameMode == EndOfGame) {
13629 i = forwardMostMove;
13630 while (i > currentMove) {
13631 SendToProgram("undo\n", &first);
13634 if(!adjustedClock) {
13635 whiteTimeRemaining = timeRemaining[0][currentMove];
13636 blackTimeRemaining = timeRemaining[1][currentMove];
13637 DisplayBothClocks();
13639 if (whiteFlag || blackFlag) {
13640 whiteFlag = blackFlag = 0;
13645 gameMode = EditGame;
13652 EditPositionEvent ()
13654 if (gameMode == EditPosition) {
13660 if (gameMode != EditGame) return;
13662 gameMode = EditPosition;
13665 if (currentMove > 0)
13666 CopyBoard(boards[0], boards[currentMove]);
13668 blackPlaysFirst = !WhiteOnMove(currentMove);
13670 currentMove = forwardMostMove = backwardMostMove = 0;
13671 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13678 /* [DM] icsEngineAnalyze - possible call from other functions */
13679 if (appData.icsEngineAnalyze) {
13680 appData.icsEngineAnalyze = FALSE;
13682 DisplayMessage("",_("Close ICS engine analyze..."));
13684 if (first.analysisSupport && first.analyzing) {
13685 SendToProgram("exit\n", &first);
13686 first.analyzing = FALSE;
13688 thinkOutput[0] = NULLCHAR;
13692 EditPositionDone (Boolean fakeRights)
13694 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13696 startedFromSetupPosition = TRUE;
13697 InitChessProgram(&first, FALSE);
13698 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13699 boards[0][EP_STATUS] = EP_NONE;
13700 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13701 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13702 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13703 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13704 } else boards[0][CASTLING][2] = NoRights;
13705 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13706 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13707 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13708 } else boards[0][CASTLING][5] = NoRights;
13710 SendToProgram("force\n", &first);
13711 if (blackPlaysFirst) {
13712 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13713 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13714 currentMove = forwardMostMove = backwardMostMove = 1;
13715 CopyBoard(boards[1], boards[0]);
13717 currentMove = forwardMostMove = backwardMostMove = 0;
13719 SendBoard(&first, forwardMostMove);
13720 if (appData.debugMode) {
13721 fprintf(debugFP, "EditPosDone\n");
13724 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13725 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13726 gameMode = EditGame;
13728 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13729 ClearHighlights(); /* [AS] */
13732 /* Pause for `ms' milliseconds */
13733 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13735 TimeDelay (long ms)
13742 } while (SubtractTimeMarks(&m2, &m1) < ms);
13745 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13747 SendMultiLineToICS (char *buf)
13749 char temp[MSG_SIZ+1], *p;
13756 strncpy(temp, buf, len);
13761 if (*p == '\n' || *p == '\r')
13766 strcat(temp, "\n");
13768 SendToPlayer(temp, strlen(temp));
13772 SetWhiteToPlayEvent ()
13774 if (gameMode == EditPosition) {
13775 blackPlaysFirst = FALSE;
13776 DisplayBothClocks(); /* works because currentMove is 0 */
13777 } else if (gameMode == IcsExamining) {
13778 SendToICS(ics_prefix);
13779 SendToICS("tomove white\n");
13784 SetBlackToPlayEvent ()
13786 if (gameMode == EditPosition) {
13787 blackPlaysFirst = TRUE;
13788 currentMove = 1; /* kludge */
13789 DisplayBothClocks();
13791 } else if (gameMode == IcsExamining) {
13792 SendToICS(ics_prefix);
13793 SendToICS("tomove black\n");
13798 EditPositionMenuEvent (ChessSquare selection, int x, int y)
13801 ChessSquare piece = boards[0][y][x];
13803 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13805 switch (selection) {
13807 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13808 SendToICS(ics_prefix);
13809 SendToICS("bsetup clear\n");
13810 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13811 SendToICS(ics_prefix);
13812 SendToICS("clearboard\n");
13814 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13815 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13816 for (y = 0; y < BOARD_HEIGHT; y++) {
13817 if (gameMode == IcsExamining) {
13818 if (boards[currentMove][y][x] != EmptySquare) {
13819 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13824 boards[0][y][x] = p;
13829 if (gameMode == EditPosition) {
13830 DrawPosition(FALSE, boards[0]);
13835 SetWhiteToPlayEvent();
13839 SetBlackToPlayEvent();
13843 if (gameMode == IcsExamining) {
13844 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13845 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13848 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13849 if(x == BOARD_LEFT-2) {
13850 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13851 boards[0][y][1] = 0;
13853 if(x == BOARD_RGHT+1) {
13854 if(y >= gameInfo.holdingsSize) break;
13855 boards[0][y][BOARD_WIDTH-2] = 0;
13858 boards[0][y][x] = EmptySquare;
13859 DrawPosition(FALSE, boards[0]);
13864 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13865 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13866 selection = (ChessSquare) (PROMOTED piece);
13867 } else if(piece == EmptySquare) selection = WhiteSilver;
13868 else selection = (ChessSquare)((int)piece - 1);
13872 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13873 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13874 selection = (ChessSquare) (DEMOTED piece);
13875 } else if(piece == EmptySquare) selection = BlackSilver;
13876 else selection = (ChessSquare)((int)piece + 1);
13881 if(gameInfo.variant == VariantShatranj ||
13882 gameInfo.variant == VariantXiangqi ||
13883 gameInfo.variant == VariantCourier ||
13884 gameInfo.variant == VariantMakruk )
13885 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13890 if(gameInfo.variant == VariantXiangqi)
13891 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13892 if(gameInfo.variant == VariantKnightmate)
13893 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13896 if (gameMode == IcsExamining) {
13897 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13898 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13899 PieceToChar(selection), AAA + x, ONE + y);
13902 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13904 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13905 n = PieceToNumber(selection - BlackPawn);
13906 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13907 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13908 boards[0][BOARD_HEIGHT-1-n][1]++;
13910 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13911 n = PieceToNumber(selection);
13912 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13913 boards[0][n][BOARD_WIDTH-1] = selection;
13914 boards[0][n][BOARD_WIDTH-2]++;
13917 boards[0][y][x] = selection;
13918 DrawPosition(TRUE, boards[0]);
13926 DropMenuEvent (ChessSquare selection, int x, int y)
13928 ChessMove moveType;
13930 switch (gameMode) {
13931 case IcsPlayingWhite:
13932 case MachinePlaysBlack:
13933 if (!WhiteOnMove(currentMove)) {
13934 DisplayMoveError(_("It is Black's turn"));
13937 moveType = WhiteDrop;
13939 case IcsPlayingBlack:
13940 case MachinePlaysWhite:
13941 if (WhiteOnMove(currentMove)) {
13942 DisplayMoveError(_("It is White's turn"));
13945 moveType = BlackDrop;
13948 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13954 if (moveType == BlackDrop && selection < BlackPawn) {
13955 selection = (ChessSquare) ((int) selection
13956 + (int) BlackPawn - (int) WhitePawn);
13958 if (boards[currentMove][y][x] != EmptySquare) {
13959 DisplayMoveError(_("That square is occupied"));
13963 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13969 /* Accept a pending offer of any kind from opponent */
13971 if (appData.icsActive) {
13972 SendToICS(ics_prefix);
13973 SendToICS("accept\n");
13974 } else if (cmailMsgLoaded) {
13975 if (currentMove == cmailOldMove &&
13976 commentList[cmailOldMove] != NULL &&
13977 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13978 "Black offers a draw" : "White offers a draw")) {
13980 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13981 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13983 DisplayError(_("There is no pending offer on this move"), 0);
13984 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13987 /* Not used for offers from chess program */
13994 /* Decline a pending offer of any kind from opponent */
13996 if (appData.icsActive) {
13997 SendToICS(ics_prefix);
13998 SendToICS("decline\n");
13999 } else if (cmailMsgLoaded) {
14000 if (currentMove == cmailOldMove &&
14001 commentList[cmailOldMove] != NULL &&
14002 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14003 "Black offers a draw" : "White offers a draw")) {
14005 AppendComment(cmailOldMove, "Draw declined", TRUE);
14006 DisplayComment(cmailOldMove - 1, "Draw declined");
14009 DisplayError(_("There is no pending offer on this move"), 0);
14012 /* Not used for offers from chess program */
14019 /* Issue ICS rematch command */
14020 if (appData.icsActive) {
14021 SendToICS(ics_prefix);
14022 SendToICS("rematch\n");
14029 /* Call your opponent's flag (claim a win on time) */
14030 if (appData.icsActive) {
14031 SendToICS(ics_prefix);
14032 SendToICS("flag\n");
14034 switch (gameMode) {
14037 case MachinePlaysWhite:
14040 GameEnds(GameIsDrawn, "Both players ran out of time",
14043 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14045 DisplayError(_("Your opponent is not out of time"), 0);
14048 case MachinePlaysBlack:
14051 GameEnds(GameIsDrawn, "Both players ran out of time",
14054 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14056 DisplayError(_("Your opponent is not out of time"), 0);
14064 ClockClick (int which)
14065 { // [HGM] code moved to back-end from winboard.c
14066 if(which) { // black clock
14067 if (gameMode == EditPosition || gameMode == IcsExamining) {
14068 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14069 SetBlackToPlayEvent();
14070 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14071 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14072 } else if (shiftKey) {
14073 AdjustClock(which, -1);
14074 } else if (gameMode == IcsPlayingWhite ||
14075 gameMode == MachinePlaysBlack) {
14078 } else { // white clock
14079 if (gameMode == EditPosition || gameMode == IcsExamining) {
14080 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14081 SetWhiteToPlayEvent();
14082 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14083 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14084 } else if (shiftKey) {
14085 AdjustClock(which, -1);
14086 } else if (gameMode == IcsPlayingBlack ||
14087 gameMode == MachinePlaysWhite) {
14096 /* Offer draw or accept pending draw offer from opponent */
14098 if (appData.icsActive) {
14099 /* Note: tournament rules require draw offers to be
14100 made after you make your move but before you punch
14101 your clock. Currently ICS doesn't let you do that;
14102 instead, you immediately punch your clock after making
14103 a move, but you can offer a draw at any time. */
14105 SendToICS(ics_prefix);
14106 SendToICS("draw\n");
14107 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14108 } else if (cmailMsgLoaded) {
14109 if (currentMove == cmailOldMove &&
14110 commentList[cmailOldMove] != NULL &&
14111 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14112 "Black offers a draw" : "White offers a draw")) {
14113 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14114 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14115 } else if (currentMove == cmailOldMove + 1) {
14116 char *offer = WhiteOnMove(cmailOldMove) ?
14117 "White offers a draw" : "Black offers a draw";
14118 AppendComment(currentMove, offer, TRUE);
14119 DisplayComment(currentMove - 1, offer);
14120 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14122 DisplayError(_("You must make your move before offering a draw"), 0);
14123 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14125 } else if (first.offeredDraw) {
14126 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14128 if (first.sendDrawOffers) {
14129 SendToProgram("draw\n", &first);
14130 userOfferedDraw = TRUE;
14138 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14140 if (appData.icsActive) {
14141 SendToICS(ics_prefix);
14142 SendToICS("adjourn\n");
14144 /* Currently GNU Chess doesn't offer or accept Adjourns */
14152 /* Offer Abort or accept pending Abort offer from opponent */
14154 if (appData.icsActive) {
14155 SendToICS(ics_prefix);
14156 SendToICS("abort\n");
14158 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14165 /* Resign. You can do this even if it's not your turn. */
14167 if (appData.icsActive) {
14168 SendToICS(ics_prefix);
14169 SendToICS("resign\n");
14171 switch (gameMode) {
14172 case MachinePlaysWhite:
14173 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14175 case MachinePlaysBlack:
14176 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14179 if (cmailMsgLoaded) {
14181 if (WhiteOnMove(cmailOldMove)) {
14182 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14184 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14186 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14197 StopObservingEvent ()
14199 /* Stop observing current games */
14200 SendToICS(ics_prefix);
14201 SendToICS("unobserve\n");
14205 StopExaminingEvent ()
14207 /* Stop observing current game */
14208 SendToICS(ics_prefix);
14209 SendToICS("unexamine\n");
14213 ForwardInner (int target)
14217 if (appData.debugMode)
14218 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14219 target, currentMove, forwardMostMove);
14221 if (gameMode == EditPosition)
14224 seekGraphUp = FALSE;
14225 MarkTargetSquares(1);
14227 if (gameMode == PlayFromGameFile && !pausing)
14230 if (gameMode == IcsExamining && pausing)
14231 limit = pauseExamForwardMostMove;
14233 limit = forwardMostMove;
14235 if (target > limit) target = limit;
14237 if (target > 0 && moveList[target - 1][0]) {
14238 int fromX, fromY, toX, toY;
14239 toX = moveList[target - 1][2] - AAA;
14240 toY = moveList[target - 1][3] - ONE;
14241 if (moveList[target - 1][1] == '@') {
14242 if (appData.highlightLastMove) {
14243 SetHighlights(-1, -1, toX, toY);
14246 fromX = moveList[target - 1][0] - AAA;
14247 fromY = moveList[target - 1][1] - ONE;
14248 if (target == currentMove + 1) {
14249 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14251 if (appData.highlightLastMove) {
14252 SetHighlights(fromX, fromY, toX, toY);
14256 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14257 gameMode == Training || gameMode == PlayFromGameFile ||
14258 gameMode == AnalyzeFile) {
14259 while (currentMove < target) {
14260 SendMoveToProgram(currentMove++, &first);
14263 currentMove = target;
14266 if (gameMode == EditGame || gameMode == EndOfGame) {
14267 whiteTimeRemaining = timeRemaining[0][currentMove];
14268 blackTimeRemaining = timeRemaining[1][currentMove];
14270 DisplayBothClocks();
14271 DisplayMove(currentMove - 1);
14272 DrawPosition(FALSE, boards[currentMove]);
14273 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14274 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14275 DisplayComment(currentMove - 1, commentList[currentMove]);
14283 if (gameMode == IcsExamining && !pausing) {
14284 SendToICS(ics_prefix);
14285 SendToICS("forward\n");
14287 ForwardInner(currentMove + 1);
14294 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14295 /* to optimze, we temporarily turn off analysis mode while we feed
14296 * the remaining moves to the engine. Otherwise we get analysis output
14299 if (first.analysisSupport) {
14300 SendToProgram("exit\nforce\n", &first);
14301 first.analyzing = FALSE;
14305 if (gameMode == IcsExamining && !pausing) {
14306 SendToICS(ics_prefix);
14307 SendToICS("forward 999999\n");
14309 ForwardInner(forwardMostMove);
14312 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14313 /* we have fed all the moves, so reactivate analysis mode */
14314 SendToProgram("analyze\n", &first);
14315 first.analyzing = TRUE;
14316 /*first.maybeThinking = TRUE;*/
14317 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14322 BackwardInner (int target)
14324 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14326 if (appData.debugMode)
14327 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14328 target, currentMove, forwardMostMove);
14330 if (gameMode == EditPosition) return;
14331 seekGraphUp = FALSE;
14332 MarkTargetSquares(1);
14333 if (currentMove <= backwardMostMove) {
14335 DrawPosition(full_redraw, boards[currentMove]);
14338 if (gameMode == PlayFromGameFile && !pausing)
14341 if (moveList[target][0]) {
14342 int fromX, fromY, toX, toY;
14343 toX = moveList[target][2] - AAA;
14344 toY = moveList[target][3] - ONE;
14345 if (moveList[target][1] == '@') {
14346 if (appData.highlightLastMove) {
14347 SetHighlights(-1, -1, toX, toY);
14350 fromX = moveList[target][0] - AAA;
14351 fromY = moveList[target][1] - ONE;
14352 if (target == currentMove - 1) {
14353 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14355 if (appData.highlightLastMove) {
14356 SetHighlights(fromX, fromY, toX, toY);
14360 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14361 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14362 while (currentMove > target) {
14363 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14364 // null move cannot be undone. Reload program with move history before it.
14366 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14367 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14369 SendBoard(&first, i);
14370 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14373 SendToProgram("undo\n", &first);
14377 currentMove = target;
14380 if (gameMode == EditGame || gameMode == EndOfGame) {
14381 whiteTimeRemaining = timeRemaining[0][currentMove];
14382 blackTimeRemaining = timeRemaining[1][currentMove];
14384 DisplayBothClocks();
14385 DisplayMove(currentMove - 1);
14386 DrawPosition(full_redraw, boards[currentMove]);
14387 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14388 // [HGM] PV info: routine tests if comment empty
14389 DisplayComment(currentMove - 1, commentList[currentMove]);
14395 if (gameMode == IcsExamining && !pausing) {
14396 SendToICS(ics_prefix);
14397 SendToICS("backward\n");
14399 BackwardInner(currentMove - 1);
14406 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14407 /* to optimize, we temporarily turn off analysis mode while we undo
14408 * all the moves. Otherwise we get analysis output after each undo.
14410 if (first.analysisSupport) {
14411 SendToProgram("exit\nforce\n", &first);
14412 first.analyzing = FALSE;
14416 if (gameMode == IcsExamining && !pausing) {
14417 SendToICS(ics_prefix);
14418 SendToICS("backward 999999\n");
14420 BackwardInner(backwardMostMove);
14423 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14424 /* we have fed all the moves, so reactivate analysis mode */
14425 SendToProgram("analyze\n", &first);
14426 first.analyzing = TRUE;
14427 /*first.maybeThinking = TRUE;*/
14428 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14435 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14436 if (to >= forwardMostMove) to = forwardMostMove;
14437 if (to <= backwardMostMove) to = backwardMostMove;
14438 if (to < currentMove) {
14446 RevertEvent (Boolean annotate)
14448 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14451 if (gameMode != IcsExamining) {
14452 DisplayError(_("You are not examining a game"), 0);
14456 DisplayError(_("You can't revert while pausing"), 0);
14459 SendToICS(ics_prefix);
14460 SendToICS("revert\n");
14464 RetractMoveEvent ()
14466 switch (gameMode) {
14467 case MachinePlaysWhite:
14468 case MachinePlaysBlack:
14469 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14470 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14473 if (forwardMostMove < 2) return;
14474 currentMove = forwardMostMove = forwardMostMove - 2;
14475 whiteTimeRemaining = timeRemaining[0][currentMove];
14476 blackTimeRemaining = timeRemaining[1][currentMove];
14477 DisplayBothClocks();
14478 DisplayMove(currentMove - 1);
14479 ClearHighlights();/*!! could figure this out*/
14480 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14481 SendToProgram("remove\n", &first);
14482 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14485 case BeginningOfGame:
14489 case IcsPlayingWhite:
14490 case IcsPlayingBlack:
14491 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14492 SendToICS(ics_prefix);
14493 SendToICS("takeback 2\n");
14495 SendToICS(ics_prefix);
14496 SendToICS("takeback 1\n");
14505 ChessProgramState *cps;
14507 switch (gameMode) {
14508 case MachinePlaysWhite:
14509 if (!WhiteOnMove(forwardMostMove)) {
14510 DisplayError(_("It is your turn"), 0);
14515 case MachinePlaysBlack:
14516 if (WhiteOnMove(forwardMostMove)) {
14517 DisplayError(_("It is your turn"), 0);
14522 case TwoMachinesPlay:
14523 if (WhiteOnMove(forwardMostMove) ==
14524 (first.twoMachinesColor[0] == 'w')) {
14530 case BeginningOfGame:
14534 SendToProgram("?\n", cps);
14538 TruncateGameEvent ()
14541 if (gameMode != EditGame) return;
14548 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14549 if (forwardMostMove > currentMove) {
14550 if (gameInfo.resultDetails != NULL) {
14551 free(gameInfo.resultDetails);
14552 gameInfo.resultDetails = NULL;
14553 gameInfo.result = GameUnfinished;
14555 forwardMostMove = currentMove;
14556 HistorySet(parseList, backwardMostMove, forwardMostMove,
14564 if (appData.noChessProgram) return;
14565 switch (gameMode) {
14566 case MachinePlaysWhite:
14567 if (WhiteOnMove(forwardMostMove)) {
14568 DisplayError(_("Wait until your turn"), 0);
14572 case BeginningOfGame:
14573 case MachinePlaysBlack:
14574 if (!WhiteOnMove(forwardMostMove)) {
14575 DisplayError(_("Wait until your turn"), 0);
14580 DisplayError(_("No hint available"), 0);
14583 SendToProgram("hint\n", &first);
14584 hintRequested = TRUE;
14590 if (appData.noChessProgram) return;
14591 switch (gameMode) {
14592 case MachinePlaysWhite:
14593 if (WhiteOnMove(forwardMostMove)) {
14594 DisplayError(_("Wait until your turn"), 0);
14598 case BeginningOfGame:
14599 case MachinePlaysBlack:
14600 if (!WhiteOnMove(forwardMostMove)) {
14601 DisplayError(_("Wait until your turn"), 0);
14606 EditPositionDone(TRUE);
14608 case TwoMachinesPlay:
14613 SendToProgram("bk\n", &first);
14614 bookOutput[0] = NULLCHAR;
14615 bookRequested = TRUE;
14621 char *tags = PGNTags(&gameInfo);
14622 TagsPopUp(tags, CmailMsg());
14626 /* end button procedures */
14629 PrintPosition (FILE *fp, int move)
14633 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14634 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14635 char c = PieceToChar(boards[move][i][j]);
14636 fputc(c == 'x' ? '.' : c, fp);
14637 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14640 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14641 fprintf(fp, "white to play\n");
14643 fprintf(fp, "black to play\n");
14647 PrintOpponents (FILE *fp)
14649 if (gameInfo.white != NULL) {
14650 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14656 /* Find last component of program's own name, using some heuristics */
14658 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14661 int local = (strcmp(host, "localhost") == 0);
14662 while (!local && (p = strchr(prog, ';')) != NULL) {
14664 while (*p == ' ') p++;
14667 if (*prog == '"' || *prog == '\'') {
14668 q = strchr(prog + 1, *prog);
14670 q = strchr(prog, ' ');
14672 if (q == NULL) q = prog + strlen(prog);
14674 while (p >= prog && *p != '/' && *p != '\\') p--;
14676 if(p == prog && *p == '"') p++;
14678 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14679 memcpy(buf, p, q - p);
14680 buf[q - p] = NULLCHAR;
14688 TimeControlTagValue ()
14691 if (!appData.clockMode) {
14692 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14693 } else if (movesPerSession > 0) {
14694 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14695 } else if (timeIncrement == 0) {
14696 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14698 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14700 return StrSave(buf);
14706 /* This routine is used only for certain modes */
14707 VariantClass v = gameInfo.variant;
14708 ChessMove r = GameUnfinished;
14711 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14712 r = gameInfo.result;
14713 p = gameInfo.resultDetails;
14714 gameInfo.resultDetails = NULL;
14716 ClearGameInfo(&gameInfo);
14717 gameInfo.variant = v;
14719 switch (gameMode) {
14720 case MachinePlaysWhite:
14721 gameInfo.event = StrSave( appData.pgnEventHeader );
14722 gameInfo.site = StrSave(HostName());
14723 gameInfo.date = PGNDate();
14724 gameInfo.round = StrSave("-");
14725 gameInfo.white = StrSave(first.tidy);
14726 gameInfo.black = StrSave(UserName());
14727 gameInfo.timeControl = TimeControlTagValue();
14730 case MachinePlaysBlack:
14731 gameInfo.event = StrSave( appData.pgnEventHeader );
14732 gameInfo.site = StrSave(HostName());
14733 gameInfo.date = PGNDate();
14734 gameInfo.round = StrSave("-");
14735 gameInfo.white = StrSave(UserName());
14736 gameInfo.black = StrSave(first.tidy);
14737 gameInfo.timeControl = TimeControlTagValue();
14740 case TwoMachinesPlay:
14741 gameInfo.event = StrSave( appData.pgnEventHeader );
14742 gameInfo.site = StrSave(HostName());
14743 gameInfo.date = PGNDate();
14746 snprintf(buf, MSG_SIZ, "%d", roundNr);
14747 gameInfo.round = StrSave(buf);
14749 gameInfo.round = StrSave("-");
14751 if (first.twoMachinesColor[0] == 'w') {
14752 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14753 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14755 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14756 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14758 gameInfo.timeControl = TimeControlTagValue();
14762 gameInfo.event = StrSave("Edited game");
14763 gameInfo.site = StrSave(HostName());
14764 gameInfo.date = PGNDate();
14765 gameInfo.round = StrSave("-");
14766 gameInfo.white = StrSave("-");
14767 gameInfo.black = StrSave("-");
14768 gameInfo.result = r;
14769 gameInfo.resultDetails = p;
14773 gameInfo.event = StrSave("Edited position");
14774 gameInfo.site = StrSave(HostName());
14775 gameInfo.date = PGNDate();
14776 gameInfo.round = StrSave("-");
14777 gameInfo.white = StrSave("-");
14778 gameInfo.black = StrSave("-");
14781 case IcsPlayingWhite:
14782 case IcsPlayingBlack:
14787 case PlayFromGameFile:
14788 gameInfo.event = StrSave("Game from non-PGN file");
14789 gameInfo.site = StrSave(HostName());
14790 gameInfo.date = PGNDate();
14791 gameInfo.round = StrSave("-");
14792 gameInfo.white = StrSave("?");
14793 gameInfo.black = StrSave("?");
14802 ReplaceComment (int index, char *text)
14808 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14809 pvInfoList[index-1].depth == len &&
14810 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14811 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14812 while (*text == '\n') text++;
14813 len = strlen(text);
14814 while (len > 0 && text[len - 1] == '\n') len--;
14816 if (commentList[index] != NULL)
14817 free(commentList[index]);
14820 commentList[index] = NULL;
14823 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14824 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14825 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14826 commentList[index] = (char *) malloc(len + 2);
14827 strncpy(commentList[index], text, len);
14828 commentList[index][len] = '\n';
14829 commentList[index][len + 1] = NULLCHAR;
14831 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14833 commentList[index] = (char *) malloc(len + 7);
14834 safeStrCpy(commentList[index], "{\n", 3);
14835 safeStrCpy(commentList[index]+2, text, len+1);
14836 commentList[index][len+2] = NULLCHAR;
14837 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14838 strcat(commentList[index], "\n}\n");
14843 CrushCRs (char *text)
14851 if (ch == '\r') continue;
14853 } while (ch != '\0');
14857 AppendComment (int index, char *text, Boolean addBraces)
14858 /* addBraces tells if we should add {} */
14863 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14864 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14867 while (*text == '\n') text++;
14868 len = strlen(text);
14869 while (len > 0 && text[len - 1] == '\n') len--;
14870 text[len] = NULLCHAR;
14872 if (len == 0) return;
14874 if (commentList[index] != NULL) {
14875 Boolean addClosingBrace = addBraces;
14876 old = commentList[index];
14877 oldlen = strlen(old);
14878 while(commentList[index][oldlen-1] == '\n')
14879 commentList[index][--oldlen] = NULLCHAR;
14880 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14881 safeStrCpy(commentList[index], old, oldlen + len + 6);
14883 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14884 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14885 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14886 while (*text == '\n') { text++; len--; }
14887 commentList[index][--oldlen] = NULLCHAR;
14889 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14890 else strcat(commentList[index], "\n");
14891 strcat(commentList[index], text);
14892 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14893 else strcat(commentList[index], "\n");
14895 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14897 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14898 else commentList[index][0] = NULLCHAR;
14899 strcat(commentList[index], text);
14900 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14901 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14906 FindStr (char * text, char * sub_text)
14908 char * result = strstr( text, sub_text );
14910 if( result != NULL ) {
14911 result += strlen( sub_text );
14917 /* [AS] Try to extract PV info from PGN comment */
14918 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14920 GetInfoFromComment (int index, char * text)
14922 char * sep = text, *p;
14924 if( text != NULL && index > 0 ) {
14927 int time = -1, sec = 0, deci;
14928 char * s_eval = FindStr( text, "[%eval " );
14929 char * s_emt = FindStr( text, "[%emt " );
14931 if( s_eval != NULL || s_emt != NULL ) {
14935 if( s_eval != NULL ) {
14936 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14940 if( delim != ']' ) {
14945 if( s_emt != NULL ) {
14950 /* We expect something like: [+|-]nnn.nn/dd */
14953 if(*text != '{') return text; // [HGM] braces: must be normal comment
14955 sep = strchr( text, '/' );
14956 if( sep == NULL || sep < (text+4) ) {
14961 if(p[1] == '(') { // comment starts with PV
14962 p = strchr(p, ')'); // locate end of PV
14963 if(p == NULL || sep < p+5) return text;
14964 // at this point we have something like "{(.*) +0.23/6 ..."
14965 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14966 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14967 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14969 time = -1; sec = -1; deci = -1;
14970 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14971 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14972 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14973 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14977 if( score_lo < 0 || score_lo >= 100 ) {
14981 if(sec >= 0) time = 600*time + 10*sec; else
14982 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14984 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14986 /* [HGM] PV time: now locate end of PV info */
14987 while( *++sep >= '0' && *sep <= '9'); // strip depth
14989 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14991 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14993 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14994 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15005 pvInfoList[index-1].depth = depth;
15006 pvInfoList[index-1].score = score;
15007 pvInfoList[index-1].time = 10*time; // centi-sec
15008 if(*sep == '}') *sep = 0; else *--sep = '{';
15009 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15015 SendToProgram (char *message, ChessProgramState *cps)
15017 int count, outCount, error;
15020 if (cps->pr == NoProc) return;
15023 if (appData.debugMode) {
15026 fprintf(debugFP, "%ld >%-6s: %s",
15027 SubtractTimeMarks(&now, &programStartTime),
15028 cps->which, message);
15031 count = strlen(message);
15032 outCount = OutputToProcess(cps->pr, message, count, &error);
15033 if (outCount < count && !exiting
15034 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15035 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15036 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15037 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15038 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15039 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15040 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15041 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15043 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15044 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15045 gameInfo.result = res;
15047 gameInfo.resultDetails = StrSave(buf);
15049 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15050 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15055 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15059 ChessProgramState *cps = (ChessProgramState *)closure;
15061 if (isr != cps->isr) return; /* Killed intentionally */
15064 RemoveInputSource(cps->isr);
15065 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15066 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15067 _(cps->which), cps->program);
15068 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15069 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15070 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15071 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15072 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15074 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15075 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15076 gameInfo.result = res;
15078 gameInfo.resultDetails = StrSave(buf);
15080 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15081 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15083 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15084 _(cps->which), cps->program);
15085 RemoveInputSource(cps->isr);
15087 /* [AS] Program is misbehaving badly... kill it */
15088 if( count == -2 ) {
15089 DestroyChildProcess( cps->pr, 9 );
15093 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15098 if ((end_str = strchr(message, '\r')) != NULL)
15099 *end_str = NULLCHAR;
15100 if ((end_str = strchr(message, '\n')) != NULL)
15101 *end_str = NULLCHAR;
15103 if (appData.debugMode) {
15104 TimeMark now; int print = 1;
15105 char *quote = ""; char c; int i;
15107 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15108 char start = message[0];
15109 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15110 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15111 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15112 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15113 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15114 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15115 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15116 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15117 sscanf(message, "hint: %c", &c)!=1 &&
15118 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15119 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15120 print = (appData.engineComments >= 2);
15122 message[0] = start; // restore original message
15126 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15127 SubtractTimeMarks(&now, &programStartTime), cps->which,
15133 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15134 if (appData.icsEngineAnalyze) {
15135 if (strstr(message, "whisper") != NULL ||
15136 strstr(message, "kibitz") != NULL ||
15137 strstr(message, "tellics") != NULL) return;
15140 HandleMachineMove(message, cps);
15145 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15150 if( timeControl_2 > 0 ) {
15151 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15152 tc = timeControl_2;
15155 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15156 inc /= cps->timeOdds;
15157 st /= cps->timeOdds;
15159 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15162 /* Set exact time per move, normally using st command */
15163 if (cps->stKludge) {
15164 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15166 if (seconds == 0) {
15167 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15169 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15172 snprintf(buf, MSG_SIZ, "st %d\n", st);
15175 /* Set conventional or incremental time control, using level command */
15176 if (seconds == 0) {
15177 /* Note old gnuchess bug -- minutes:seconds used to not work.
15178 Fixed in later versions, but still avoid :seconds
15179 when seconds is 0. */
15180 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15182 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15183 seconds, inc/1000.);
15186 SendToProgram(buf, cps);
15188 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15189 /* Orthogonally, limit search to given depth */
15191 if (cps->sdKludge) {
15192 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15194 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15196 SendToProgram(buf, cps);
15199 if(cps->nps >= 0) { /* [HGM] nps */
15200 if(cps->supportsNPS == FALSE)
15201 cps->nps = -1; // don't use if engine explicitly says not supported!
15203 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15204 SendToProgram(buf, cps);
15209 ChessProgramState *
15211 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15213 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15214 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15220 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15222 char message[MSG_SIZ];
15225 /* Note: this routine must be called when the clocks are stopped
15226 or when they have *just* been set or switched; otherwise
15227 it will be off by the time since the current tick started.
15229 if (machineWhite) {
15230 time = whiteTimeRemaining / 10;
15231 otime = blackTimeRemaining / 10;
15233 time = blackTimeRemaining / 10;
15234 otime = whiteTimeRemaining / 10;
15236 /* [HGM] translate opponent's time by time-odds factor */
15237 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15238 if (appData.debugMode) {
15239 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15242 if (time <= 0) time = 1;
15243 if (otime <= 0) otime = 1;
15245 snprintf(message, MSG_SIZ, "time %ld\n", time);
15246 SendToProgram(message, cps);
15248 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15249 SendToProgram(message, cps);
15253 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15256 int len = strlen(name);
15259 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15261 sscanf(*p, "%d", &val);
15263 while (**p && **p != ' ')
15265 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15266 SendToProgram(buf, cps);
15273 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15276 int len = strlen(name);
15277 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15279 sscanf(*p, "%d", loc);
15280 while (**p && **p != ' ') (*p)++;
15281 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15282 SendToProgram(buf, cps);
15289 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15292 int len = strlen(name);
15293 if (strncmp((*p), name, len) == 0
15294 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15296 sscanf(*p, "%[^\"]", loc);
15297 while (**p && **p != '\"') (*p)++;
15298 if (**p == '\"') (*p)++;
15299 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15300 SendToProgram(buf, cps);
15307 ParseOption (Option *opt, ChessProgramState *cps)
15308 // [HGM] options: process the string that defines an engine option, and determine
15309 // name, type, default value, and allowed value range
15311 char *p, *q, buf[MSG_SIZ];
15312 int n, min = (-1)<<31, max = 1<<31, def;
15314 if(p = strstr(opt->name, " -spin ")) {
15315 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15316 if(max < min) max = min; // enforce consistency
15317 if(def < min) def = min;
15318 if(def > max) def = max;
15323 } else if((p = strstr(opt->name, " -slider "))) {
15324 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15325 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15326 if(max < min) max = min; // enforce consistency
15327 if(def < min) def = min;
15328 if(def > max) def = max;
15332 opt->type = Spin; // Slider;
15333 } else if((p = strstr(opt->name, " -string "))) {
15334 opt->textValue = p+9;
15335 opt->type = TextBox;
15336 } else if((p = strstr(opt->name, " -file "))) {
15337 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15338 opt->textValue = p+7;
15339 opt->type = FileName; // FileName;
15340 } else if((p = strstr(opt->name, " -path "))) {
15341 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15342 opt->textValue = p+7;
15343 opt->type = PathName; // PathName;
15344 } else if(p = strstr(opt->name, " -check ")) {
15345 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15346 opt->value = (def != 0);
15347 opt->type = CheckBox;
15348 } else if(p = strstr(opt->name, " -combo ")) {
15349 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15350 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15351 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15352 opt->value = n = 0;
15353 while(q = StrStr(q, " /// ")) {
15354 n++; *q = 0; // count choices, and null-terminate each of them
15356 if(*q == '*') { // remember default, which is marked with * prefix
15360 cps->comboList[cps->comboCnt++] = q;
15362 cps->comboList[cps->comboCnt++] = NULL;
15364 opt->type = ComboBox;
15365 } else if(p = strstr(opt->name, " -button")) {
15366 opt->type = Button;
15367 } else if(p = strstr(opt->name, " -save")) {
15368 opt->type = SaveButton;
15369 } else return FALSE;
15370 *p = 0; // terminate option name
15371 // now look if the command-line options define a setting for this engine option.
15372 if(cps->optionSettings && cps->optionSettings[0])
15373 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15374 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15375 snprintf(buf, MSG_SIZ, "option %s", p);
15376 if(p = strstr(buf, ",")) *p = 0;
15377 if(q = strchr(buf, '=')) switch(opt->type) {
15379 for(n=0; n<opt->max; n++)
15380 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15383 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15387 opt->value = atoi(q+1);
15392 SendToProgram(buf, cps);
15398 FeatureDone (ChessProgramState *cps, int val)
15400 DelayedEventCallback cb = GetDelayedEvent();
15401 if ((cb == InitBackEnd3 && cps == &first) ||
15402 (cb == SettingsMenuIfReady && cps == &second) ||
15403 (cb == LoadEngine) ||
15404 (cb == TwoMachinesEventIfReady)) {
15405 CancelDelayedEvent();
15406 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15408 cps->initDone = val;
15411 /* Parse feature command from engine */
15413 ParseFeatures (char *args, ChessProgramState *cps)
15421 while (*p == ' ') p++;
15422 if (*p == NULLCHAR) return;
15424 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15425 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15426 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15427 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15428 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15429 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15430 if (BoolFeature(&p, "reuse", &val, cps)) {
15431 /* Engine can disable reuse, but can't enable it if user said no */
15432 if (!val) cps->reuse = FALSE;
15435 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15436 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15437 if (gameMode == TwoMachinesPlay) {
15438 DisplayTwoMachinesTitle();
15444 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15445 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15446 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15447 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15448 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15449 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15450 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15451 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15452 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15453 if (IntFeature(&p, "done", &val, cps)) {
15454 FeatureDone(cps, val);
15457 /* Added by Tord: */
15458 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15459 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15460 /* End of additions by Tord */
15462 /* [HGM] added features: */
15463 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15464 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15465 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15466 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15467 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15468 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15469 if (StringFeature(&p, "option", cps->option[cps->nrOptions].name, cps)) {
15470 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15471 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15472 SendToProgram(buf, cps);
15475 if(cps->nrOptions >= MAX_OPTIONS) {
15477 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15478 DisplayError(buf, 0);
15482 /* End of additions by HGM */
15484 /* unknown feature: complain and skip */
15486 while (*q && *q != '=') q++;
15487 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15488 SendToProgram(buf, cps);
15494 while (*p && *p != '\"') p++;
15495 if (*p == '\"') p++;
15497 while (*p && *p != ' ') p++;
15505 PeriodicUpdatesEvent (int newState)
15507 if (newState == appData.periodicUpdates)
15510 appData.periodicUpdates=newState;
15512 /* Display type changes, so update it now */
15513 // DisplayAnalysis();
15515 /* Get the ball rolling again... */
15517 AnalysisPeriodicEvent(1);
15518 StartAnalysisClock();
15523 PonderNextMoveEvent (int newState)
15525 if (newState == appData.ponderNextMove) return;
15526 if (gameMode == EditPosition) EditPositionDone(TRUE);
15528 SendToProgram("hard\n", &first);
15529 if (gameMode == TwoMachinesPlay) {
15530 SendToProgram("hard\n", &second);
15533 SendToProgram("easy\n", &first);
15534 thinkOutput[0] = NULLCHAR;
15535 if (gameMode == TwoMachinesPlay) {
15536 SendToProgram("easy\n", &second);
15539 appData.ponderNextMove = newState;
15543 NewSettingEvent (int option, int *feature, char *command, int value)
15547 if (gameMode == EditPosition) EditPositionDone(TRUE);
15548 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15549 if(feature == NULL || *feature) SendToProgram(buf, &first);
15550 if (gameMode == TwoMachinesPlay) {
15551 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15556 ShowThinkingEvent ()
15557 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15559 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15560 int newState = appData.showThinking
15561 // [HGM] thinking: other features now need thinking output as well
15562 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15564 if (oldState == newState) return;
15565 oldState = newState;
15566 if (gameMode == EditPosition) EditPositionDone(TRUE);
15568 SendToProgram("post\n", &first);
15569 if (gameMode == TwoMachinesPlay) {
15570 SendToProgram("post\n", &second);
15573 SendToProgram("nopost\n", &first);
15574 thinkOutput[0] = NULLCHAR;
15575 if (gameMode == TwoMachinesPlay) {
15576 SendToProgram("nopost\n", &second);
15579 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15583 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15585 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15586 if (pr == NoProc) return;
15587 AskQuestion(title, question, replyPrefix, pr);
15591 TypeInEvent (char firstChar)
15593 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15594 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15595 gameMode == AnalyzeMode || gameMode == EditGame ||
15596 gameMode == EditPosition || gameMode == IcsExamining ||
15597 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15598 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15599 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15600 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15601 gameMode == Training) PopUpMoveDialog(firstChar);
15605 TypeInDoneEvent (char *move)
15608 int n, fromX, fromY, toX, toY;
15610 ChessMove moveType;
15613 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15614 EditPositionPasteFEN(move);
15617 // [HGM] movenum: allow move number to be typed in any mode
15618 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15623 if (gameMode != EditGame && currentMove != forwardMostMove &&
15624 gameMode != Training) {
15625 DisplayMoveError(_("Displayed move is not current"));
15627 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15628 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15629 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15630 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15631 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15632 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15634 DisplayMoveError(_("Could not parse move"));
15640 DisplayMove (int moveNumber)
15642 char message[MSG_SIZ];
15644 char cpThinkOutput[MSG_SIZ];
15646 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15648 if (moveNumber == forwardMostMove - 1 ||
15649 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15651 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15653 if (strchr(cpThinkOutput, '\n')) {
15654 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15657 *cpThinkOutput = NULLCHAR;
15660 /* [AS] Hide thinking from human user */
15661 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15662 *cpThinkOutput = NULLCHAR;
15663 if( thinkOutput[0] != NULLCHAR ) {
15666 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15667 cpThinkOutput[i] = '.';
15669 cpThinkOutput[i] = NULLCHAR;
15670 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15674 if (moveNumber == forwardMostMove - 1 &&
15675 gameInfo.resultDetails != NULL) {
15676 if (gameInfo.resultDetails[0] == NULLCHAR) {
15677 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15679 snprintf(res, MSG_SIZ, " {%s} %s",
15680 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15686 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15687 DisplayMessage(res, cpThinkOutput);
15689 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15690 WhiteOnMove(moveNumber) ? " " : ".. ",
15691 parseList[moveNumber], res);
15692 DisplayMessage(message, cpThinkOutput);
15697 DisplayComment (int moveNumber, char *text)
15699 char title[MSG_SIZ];
15701 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15702 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15704 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15705 WhiteOnMove(moveNumber) ? " " : ".. ",
15706 parseList[moveNumber]);
15708 if (text != NULL && (appData.autoDisplayComment || commentUp))
15709 CommentPopUp(title, text);
15712 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15713 * might be busy thinking or pondering. It can be omitted if your
15714 * gnuchess is configured to stop thinking immediately on any user
15715 * input. However, that gnuchess feature depends on the FIONREAD
15716 * ioctl, which does not work properly on some flavors of Unix.
15719 Attention (ChessProgramState *cps)
15722 if (!cps->useSigint) return;
15723 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15724 switch (gameMode) {
15725 case MachinePlaysWhite:
15726 case MachinePlaysBlack:
15727 case TwoMachinesPlay:
15728 case IcsPlayingWhite:
15729 case IcsPlayingBlack:
15732 /* Skip if we know it isn't thinking */
15733 if (!cps->maybeThinking) return;
15734 if (appData.debugMode)
15735 fprintf(debugFP, "Interrupting %s\n", cps->which);
15736 InterruptChildProcess(cps->pr);
15737 cps->maybeThinking = FALSE;
15742 #endif /*ATTENTION*/
15748 if (whiteTimeRemaining <= 0) {
15751 if (appData.icsActive) {
15752 if (appData.autoCallFlag &&
15753 gameMode == IcsPlayingBlack && !blackFlag) {
15754 SendToICS(ics_prefix);
15755 SendToICS("flag\n");
15759 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15761 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15762 if (appData.autoCallFlag) {
15763 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15770 if (blackTimeRemaining <= 0) {
15773 if (appData.icsActive) {
15774 if (appData.autoCallFlag &&
15775 gameMode == IcsPlayingWhite && !whiteFlag) {
15776 SendToICS(ics_prefix);
15777 SendToICS("flag\n");
15781 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15783 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15784 if (appData.autoCallFlag) {
15785 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15796 CheckTimeControl ()
15798 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15799 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15802 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15804 if ( !WhiteOnMove(forwardMostMove) ) {
15805 /* White made time control */
15806 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15807 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15808 /* [HGM] time odds: correct new time quota for time odds! */
15809 / WhitePlayer()->timeOdds;
15810 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15812 lastBlack -= blackTimeRemaining;
15813 /* Black made time control */
15814 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15815 / WhitePlayer()->other->timeOdds;
15816 lastWhite = whiteTimeRemaining;
15821 DisplayBothClocks ()
15823 int wom = gameMode == EditPosition ?
15824 !blackPlaysFirst : WhiteOnMove(currentMove);
15825 DisplayWhiteClock(whiteTimeRemaining, wom);
15826 DisplayBlackClock(blackTimeRemaining, !wom);
15830 /* Timekeeping seems to be a portability nightmare. I think everyone
15831 has ftime(), but I'm really not sure, so I'm including some ifdefs
15832 to use other calls if you don't. Clocks will be less accurate if
15833 you have neither ftime nor gettimeofday.
15836 /* VS 2008 requires the #include outside of the function */
15837 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15838 #include <sys/timeb.h>
15841 /* Get the current time as a TimeMark */
15843 GetTimeMark (TimeMark *tm)
15845 #if HAVE_GETTIMEOFDAY
15847 struct timeval timeVal;
15848 struct timezone timeZone;
15850 gettimeofday(&timeVal, &timeZone);
15851 tm->sec = (long) timeVal.tv_sec;
15852 tm->ms = (int) (timeVal.tv_usec / 1000L);
15854 #else /*!HAVE_GETTIMEOFDAY*/
15857 // include <sys/timeb.h> / moved to just above start of function
15858 struct timeb timeB;
15861 tm->sec = (long) timeB.time;
15862 tm->ms = (int) timeB.millitm;
15864 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15865 tm->sec = (long) time(NULL);
15871 /* Return the difference in milliseconds between two
15872 time marks. We assume the difference will fit in a long!
15875 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
15877 return 1000L*(tm2->sec - tm1->sec) +
15878 (long) (tm2->ms - tm1->ms);
15883 * Code to manage the game clocks.
15885 * In tournament play, black starts the clock and then white makes a move.
15886 * We give the human user a slight advantage if he is playing white---the
15887 * clocks don't run until he makes his first move, so it takes zero time.
15888 * Also, we don't account for network lag, so we could get out of sync
15889 * with GNU Chess's clock -- but then, referees are always right.
15892 static TimeMark tickStartTM;
15893 static long intendedTickLength;
15896 NextTickLength (long timeRemaining)
15898 long nominalTickLength, nextTickLength;
15900 if (timeRemaining > 0L && timeRemaining <= 10000L)
15901 nominalTickLength = 100L;
15903 nominalTickLength = 1000L;
15904 nextTickLength = timeRemaining % nominalTickLength;
15905 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15907 return nextTickLength;
15910 /* Adjust clock one minute up or down */
15912 AdjustClock (Boolean which, int dir)
15914 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15915 if(which) blackTimeRemaining += 60000*dir;
15916 else whiteTimeRemaining += 60000*dir;
15917 DisplayBothClocks();
15918 adjustedClock = TRUE;
15921 /* Stop clocks and reset to a fresh time control */
15925 (void) StopClockTimer();
15926 if (appData.icsActive) {
15927 whiteTimeRemaining = blackTimeRemaining = 0;
15928 } else if (searchTime) {
15929 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15930 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15931 } else { /* [HGM] correct new time quote for time odds */
15932 whiteTC = blackTC = fullTimeControlString;
15933 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15934 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15936 if (whiteFlag || blackFlag) {
15938 whiteFlag = blackFlag = FALSE;
15940 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15941 DisplayBothClocks();
15942 adjustedClock = FALSE;
15945 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15947 /* Decrement running clock by amount of time that has passed */
15951 long timeRemaining;
15952 long lastTickLength, fudge;
15955 if (!appData.clockMode) return;
15956 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15960 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15962 /* Fudge if we woke up a little too soon */
15963 fudge = intendedTickLength - lastTickLength;
15964 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15966 if (WhiteOnMove(forwardMostMove)) {
15967 if(whiteNPS >= 0) lastTickLength = 0;
15968 timeRemaining = whiteTimeRemaining -= lastTickLength;
15969 if(timeRemaining < 0 && !appData.icsActive) {
15970 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15971 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15972 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15973 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15976 DisplayWhiteClock(whiteTimeRemaining - fudge,
15977 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15979 if(blackNPS >= 0) lastTickLength = 0;
15980 timeRemaining = blackTimeRemaining -= lastTickLength;
15981 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15982 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15984 blackStartMove = forwardMostMove;
15985 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15988 DisplayBlackClock(blackTimeRemaining - fudge,
15989 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15991 if (CheckFlags()) return;
15994 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15995 StartClockTimer(intendedTickLength);
15997 /* if the time remaining has fallen below the alarm threshold, sound the
15998 * alarm. if the alarm has sounded and (due to a takeback or time control
15999 * with increment) the time remaining has increased to a level above the
16000 * threshold, reset the alarm so it can sound again.
16003 if (appData.icsActive && appData.icsAlarm) {
16005 /* make sure we are dealing with the user's clock */
16006 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16007 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16010 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16011 alarmSounded = FALSE;
16012 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16014 alarmSounded = TRUE;
16020 /* A player has just moved, so stop the previously running
16021 clock and (if in clock mode) start the other one.
16022 We redisplay both clocks in case we're in ICS mode, because
16023 ICS gives us an update to both clocks after every move.
16024 Note that this routine is called *after* forwardMostMove
16025 is updated, so the last fractional tick must be subtracted
16026 from the color that is *not* on move now.
16029 SwitchClocks (int newMoveNr)
16031 long lastTickLength;
16033 int flagged = FALSE;
16037 if (StopClockTimer() && appData.clockMode) {
16038 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16039 if (!WhiteOnMove(forwardMostMove)) {
16040 if(blackNPS >= 0) lastTickLength = 0;
16041 blackTimeRemaining -= lastTickLength;
16042 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16043 // if(pvInfoList[forwardMostMove].time == -1)
16044 pvInfoList[forwardMostMove].time = // use GUI time
16045 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16047 if(whiteNPS >= 0) lastTickLength = 0;
16048 whiteTimeRemaining -= lastTickLength;
16049 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16050 // if(pvInfoList[forwardMostMove].time == -1)
16051 pvInfoList[forwardMostMove].time =
16052 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16054 flagged = CheckFlags();
16056 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16057 CheckTimeControl();
16059 if (flagged || !appData.clockMode) return;
16061 switch (gameMode) {
16062 case MachinePlaysBlack:
16063 case MachinePlaysWhite:
16064 case BeginningOfGame:
16065 if (pausing) return;
16069 case PlayFromGameFile:
16077 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16078 if(WhiteOnMove(forwardMostMove))
16079 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16080 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16084 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16085 whiteTimeRemaining : blackTimeRemaining);
16086 StartClockTimer(intendedTickLength);
16090 /* Stop both clocks */
16094 long lastTickLength;
16097 if (!StopClockTimer()) return;
16098 if (!appData.clockMode) return;
16102 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16103 if (WhiteOnMove(forwardMostMove)) {
16104 if(whiteNPS >= 0) lastTickLength = 0;
16105 whiteTimeRemaining -= lastTickLength;
16106 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16108 if(blackNPS >= 0) lastTickLength = 0;
16109 blackTimeRemaining -= lastTickLength;
16110 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16115 /* Start clock of player on move. Time may have been reset, so
16116 if clock is already running, stop and restart it. */
16120 (void) StopClockTimer(); /* in case it was running already */
16121 DisplayBothClocks();
16122 if (CheckFlags()) return;
16124 if (!appData.clockMode) return;
16125 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16127 GetTimeMark(&tickStartTM);
16128 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16129 whiteTimeRemaining : blackTimeRemaining);
16131 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16132 whiteNPS = blackNPS = -1;
16133 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16134 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16135 whiteNPS = first.nps;
16136 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16137 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16138 blackNPS = first.nps;
16139 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16140 whiteNPS = second.nps;
16141 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16142 blackNPS = second.nps;
16143 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16145 StartClockTimer(intendedTickLength);
16149 TimeString (long ms)
16151 long second, minute, hour, day;
16153 static char buf[32];
16155 if (ms > 0 && ms <= 9900) {
16156 /* convert milliseconds to tenths, rounding up */
16157 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16159 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16163 /* convert milliseconds to seconds, rounding up */
16164 /* use floating point to avoid strangeness of integer division
16165 with negative dividends on many machines */
16166 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16173 day = second / (60 * 60 * 24);
16174 second = second % (60 * 60 * 24);
16175 hour = second / (60 * 60);
16176 second = second % (60 * 60);
16177 minute = second / 60;
16178 second = second % 60;
16181 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16182 sign, day, hour, minute, second);
16184 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16186 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16193 * This is necessary because some C libraries aren't ANSI C compliant yet.
16196 StrStr (char *string, char *match)
16200 length = strlen(match);
16202 for (i = strlen(string) - length; i >= 0; i--, string++)
16203 if (!strncmp(match, string, length))
16210 StrCaseStr (char *string, char *match)
16214 length = strlen(match);
16216 for (i = strlen(string) - length; i >= 0; i--, string++) {
16217 for (j = 0; j < length; j++) {
16218 if (ToLower(match[j]) != ToLower(string[j]))
16221 if (j == length) return string;
16229 StrCaseCmp (char *s1, char *s2)
16234 c1 = ToLower(*s1++);
16235 c2 = ToLower(*s2++);
16236 if (c1 > c2) return 1;
16237 if (c1 < c2) return -1;
16238 if (c1 == NULLCHAR) return 0;
16246 return isupper(c) ? tolower(c) : c;
16253 return islower(c) ? toupper(c) : c;
16255 #endif /* !_amigados */
16262 if ((ret = (char *) malloc(strlen(s) + 1)))
16264 safeStrCpy(ret, s, strlen(s)+1);
16270 StrSavePtr (char *s, char **savePtr)
16275 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16276 safeStrCpy(*savePtr, s, strlen(s)+1);
16288 clock = time((time_t *)NULL);
16289 tm = localtime(&clock);
16290 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16291 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16292 return StrSave(buf);
16297 PositionToFEN (int move, char *overrideCastling)
16299 int i, j, fromX, fromY, toX, toY;
16306 whiteToPlay = (gameMode == EditPosition) ?
16307 !blackPlaysFirst : (move % 2 == 0);
16310 /* Piece placement data */
16311 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16312 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16314 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16315 if (boards[move][i][j] == EmptySquare) {
16317 } else { ChessSquare piece = boards[move][i][j];
16318 if (emptycount > 0) {
16319 if(emptycount<10) /* [HGM] can be >= 10 */
16320 *p++ = '0' + emptycount;
16321 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16324 if(PieceToChar(piece) == '+') {
16325 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16327 piece = (ChessSquare)(DEMOTED piece);
16329 *p++ = PieceToChar(piece);
16331 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16332 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16337 if (emptycount > 0) {
16338 if(emptycount<10) /* [HGM] can be >= 10 */
16339 *p++ = '0' + emptycount;
16340 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16347 /* [HGM] print Crazyhouse or Shogi holdings */
16348 if( gameInfo.holdingsWidth ) {
16349 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16351 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16352 piece = boards[move][i][BOARD_WIDTH-1];
16353 if( piece != EmptySquare )
16354 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16355 *p++ = PieceToChar(piece);
16357 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16358 piece = boards[move][BOARD_HEIGHT-i-1][0];
16359 if( piece != EmptySquare )
16360 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16361 *p++ = PieceToChar(piece);
16364 if( q == p ) *p++ = '-';
16370 *p++ = whiteToPlay ? 'w' : 'b';
16373 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16374 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16376 if(nrCastlingRights) {
16378 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16379 /* [HGM] write directly from rights */
16380 if(boards[move][CASTLING][2] != NoRights &&
16381 boards[move][CASTLING][0] != NoRights )
16382 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16383 if(boards[move][CASTLING][2] != NoRights &&
16384 boards[move][CASTLING][1] != NoRights )
16385 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16386 if(boards[move][CASTLING][5] != NoRights &&
16387 boards[move][CASTLING][3] != NoRights )
16388 *p++ = boards[move][CASTLING][3] + AAA;
16389 if(boards[move][CASTLING][5] != NoRights &&
16390 boards[move][CASTLING][4] != NoRights )
16391 *p++ = boards[move][CASTLING][4] + AAA;
16394 /* [HGM] write true castling rights */
16395 if( nrCastlingRights == 6 ) {
16396 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16397 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16398 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16399 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16400 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16401 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16402 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16403 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16406 if (q == p) *p++ = '-'; /* No castling rights */
16410 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16411 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16412 /* En passant target square */
16413 if (move > backwardMostMove) {
16414 fromX = moveList[move - 1][0] - AAA;
16415 fromY = moveList[move - 1][1] - ONE;
16416 toX = moveList[move - 1][2] - AAA;
16417 toY = moveList[move - 1][3] - ONE;
16418 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16419 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16420 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16422 /* 2-square pawn move just happened */
16424 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16428 } else if(move == backwardMostMove) {
16429 // [HGM] perhaps we should always do it like this, and forget the above?
16430 if((signed char)boards[move][EP_STATUS] >= 0) {
16431 *p++ = boards[move][EP_STATUS] + AAA;
16432 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16443 /* [HGM] find reversible plies */
16444 { int i = 0, j=move;
16446 if (appData.debugMode) { int k;
16447 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16448 for(k=backwardMostMove; k<=forwardMostMove; k++)
16449 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16453 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16454 if( j == backwardMostMove ) i += initialRulePlies;
16455 sprintf(p, "%d ", i);
16456 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16458 /* Fullmove number */
16459 sprintf(p, "%d", (move / 2) + 1);
16461 return StrSave(buf);
16465 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16474 /* [HGM] by default clear Crazyhouse holdings, if present */
16475 if(gameInfo.holdingsWidth) {
16476 for(i=0; i<BOARD_HEIGHT; i++) {
16477 board[i][0] = EmptySquare; /* black holdings */
16478 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16479 board[i][1] = (ChessSquare) 0; /* black counts */
16480 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16484 /* Piece placement data */
16485 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16488 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16489 if (*p == '/') p++;
16490 emptycount = gameInfo.boardWidth - j;
16491 while (emptycount--)
16492 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16494 #if(BOARD_FILES >= 10)
16495 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16496 p++; emptycount=10;
16497 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16498 while (emptycount--)
16499 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16501 } else if (isdigit(*p)) {
16502 emptycount = *p++ - '0';
16503 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16504 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16505 while (emptycount--)
16506 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16507 } else if (*p == '+' || isalpha(*p)) {
16508 if (j >= gameInfo.boardWidth) return FALSE;
16510 piece = CharToPiece(*++p);
16511 if(piece == EmptySquare) return FALSE; /* unknown piece */
16512 piece = (ChessSquare) (PROMOTED piece ); p++;
16513 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16514 } else piece = CharToPiece(*p++);
16516 if(piece==EmptySquare) return FALSE; /* unknown piece */
16517 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16518 piece = (ChessSquare) (PROMOTED piece);
16519 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16522 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16528 while (*p == '/' || *p == ' ') p++;
16530 /* [HGM] look for Crazyhouse holdings here */
16531 while(*p==' ') p++;
16532 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16534 if(*p == '-' ) p++; /* empty holdings */ else {
16535 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16536 /* if we would allow FEN reading to set board size, we would */
16537 /* have to add holdings and shift the board read so far here */
16538 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16540 if((int) piece >= (int) BlackPawn ) {
16541 i = (int)piece - (int)BlackPawn;
16542 i = PieceToNumber((ChessSquare)i);
16543 if( i >= gameInfo.holdingsSize ) return FALSE;
16544 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16545 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16547 i = (int)piece - (int)WhitePawn;
16548 i = PieceToNumber((ChessSquare)i);
16549 if( i >= gameInfo.holdingsSize ) return FALSE;
16550 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16551 board[i][BOARD_WIDTH-2]++; /* black holdings */
16558 while(*p == ' ') p++;
16562 if(appData.colorNickNames) {
16563 if( c == appData.colorNickNames[0] ) c = 'w'; else
16564 if( c == appData.colorNickNames[1] ) c = 'b';
16568 *blackPlaysFirst = FALSE;
16571 *blackPlaysFirst = TRUE;
16577 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16578 /* return the extra info in global variiables */
16580 /* set defaults in case FEN is incomplete */
16581 board[EP_STATUS] = EP_UNKNOWN;
16582 for(i=0; i<nrCastlingRights; i++ ) {
16583 board[CASTLING][i] =
16584 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16585 } /* assume possible unless obviously impossible */
16586 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16587 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16588 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16589 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16590 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16591 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16592 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16593 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16596 while(*p==' ') p++;
16597 if(nrCastlingRights) {
16598 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16599 /* castling indicator present, so default becomes no castlings */
16600 for(i=0; i<nrCastlingRights; i++ ) {
16601 board[CASTLING][i] = NoRights;
16604 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16605 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16606 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16607 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16608 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16610 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16611 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16612 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16614 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16615 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16616 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16617 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16618 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16619 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16622 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16623 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16624 board[CASTLING][2] = whiteKingFile;
16627 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16628 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16629 board[CASTLING][2] = whiteKingFile;
16632 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16633 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16634 board[CASTLING][5] = blackKingFile;
16637 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16638 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16639 board[CASTLING][5] = blackKingFile;
16642 default: /* FRC castlings */
16643 if(c >= 'a') { /* black rights */
16644 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16645 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16646 if(i == BOARD_RGHT) break;
16647 board[CASTLING][5] = i;
16649 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16650 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16652 board[CASTLING][3] = c;
16654 board[CASTLING][4] = c;
16655 } else { /* white rights */
16656 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16657 if(board[0][i] == WhiteKing) break;
16658 if(i == BOARD_RGHT) break;
16659 board[CASTLING][2] = i;
16660 c -= AAA - 'a' + 'A';
16661 if(board[0][c] >= WhiteKing) break;
16663 board[CASTLING][0] = c;
16665 board[CASTLING][1] = c;
16669 for(i=0; i<nrCastlingRights; i++)
16670 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16671 if (appData.debugMode) {
16672 fprintf(debugFP, "FEN castling rights:");
16673 for(i=0; i<nrCastlingRights; i++)
16674 fprintf(debugFP, " %d", board[CASTLING][i]);
16675 fprintf(debugFP, "\n");
16678 while(*p==' ') p++;
16681 /* read e.p. field in games that know e.p. capture */
16682 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16683 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16685 p++; board[EP_STATUS] = EP_NONE;
16687 char c = *p++ - AAA;
16689 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16690 if(*p >= '0' && *p <='9') p++;
16691 board[EP_STATUS] = c;
16696 if(sscanf(p, "%d", &i) == 1) {
16697 FENrulePlies = i; /* 50-move ply counter */
16698 /* (The move number is still ignored) */
16705 EditPositionPasteFEN (char *fen)
16708 Board initial_position;
16710 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16711 DisplayError(_("Bad FEN position in clipboard"), 0);
16714 int savedBlackPlaysFirst = blackPlaysFirst;
16715 EditPositionEvent();
16716 blackPlaysFirst = savedBlackPlaysFirst;
16717 CopyBoard(boards[0], initial_position);
16718 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16719 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16720 DisplayBothClocks();
16721 DrawPosition(FALSE, boards[currentMove]);
16726 static char cseq[12] = "\\ ";
16729 set_cont_sequence (char *new_seq)
16734 // handle bad attempts to set the sequence
16736 return 0; // acceptable error - no debug
16738 len = strlen(new_seq);
16739 ret = (len > 0) && (len < sizeof(cseq));
16741 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16742 else if (appData.debugMode)
16743 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16748 reformat a source message so words don't cross the width boundary. internal
16749 newlines are not removed. returns the wrapped size (no null character unless
16750 included in source message). If dest is NULL, only calculate the size required
16751 for the dest buffer. lp argument indicats line position upon entry, and it's
16752 passed back upon exit.
16755 wrap (char *dest, char *src, int count, int width, int *lp)
16757 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16759 cseq_len = strlen(cseq);
16760 old_line = line = *lp;
16761 ansi = len = clen = 0;
16763 for (i=0; i < count; i++)
16765 if (src[i] == '\033')
16768 // if we hit the width, back up
16769 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16771 // store i & len in case the word is too long
16772 old_i = i, old_len = len;
16774 // find the end of the last word
16775 while (i && src[i] != ' ' && src[i] != '\n')
16781 // word too long? restore i & len before splitting it
16782 if ((old_i-i+clen) >= width)
16789 if (i && src[i-1] == ' ')
16792 if (src[i] != ' ' && src[i] != '\n')
16799 // now append the newline and continuation sequence
16804 strncpy(dest+len, cseq, cseq_len);
16812 dest[len] = src[i];
16816 if (src[i] == '\n')
16821 if (dest && appData.debugMode)
16823 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16824 count, width, line, len, *lp);
16825 show_bytes(debugFP, src, count);
16826 fprintf(debugFP, "\ndest: ");
16827 show_bytes(debugFP, dest, len);
16828 fprintf(debugFP, "\n");
16830 *lp = dest ? line : old_line;
16835 // [HGM] vari: routines for shelving variations
16836 Boolean modeRestore = FALSE;
16839 PushInner (int firstMove, int lastMove)
16841 int i, j, nrMoves = lastMove - firstMove;
16843 // push current tail of game on stack
16844 savedResult[storedGames] = gameInfo.result;
16845 savedDetails[storedGames] = gameInfo.resultDetails;
16846 gameInfo.resultDetails = NULL;
16847 savedFirst[storedGames] = firstMove;
16848 savedLast [storedGames] = lastMove;
16849 savedFramePtr[storedGames] = framePtr;
16850 framePtr -= nrMoves; // reserve space for the boards
16851 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16852 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16853 for(j=0; j<MOVE_LEN; j++)
16854 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16855 for(j=0; j<2*MOVE_LEN; j++)
16856 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16857 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16858 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16859 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16860 pvInfoList[firstMove+i-1].depth = 0;
16861 commentList[framePtr+i] = commentList[firstMove+i];
16862 commentList[firstMove+i] = NULL;
16866 forwardMostMove = firstMove; // truncate game so we can start variation
16870 PushTail (int firstMove, int lastMove)
16872 if(appData.icsActive) { // only in local mode
16873 forwardMostMove = currentMove; // mimic old ICS behavior
16876 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16878 PushInner(firstMove, lastMove);
16879 if(storedGames == 1) GreyRevert(FALSE);
16880 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16884 PopInner (Boolean annotate)
16887 char buf[8000], moveBuf[20];
16889 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16890 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16891 nrMoves = savedLast[storedGames] - currentMove;
16894 if(!WhiteOnMove(currentMove))
16895 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16896 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16897 for(i=currentMove; i<forwardMostMove; i++) {
16899 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16900 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16901 strcat(buf, moveBuf);
16902 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16903 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16907 for(i=1; i<=nrMoves; i++) { // copy last variation back
16908 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16909 for(j=0; j<MOVE_LEN; j++)
16910 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16911 for(j=0; j<2*MOVE_LEN; j++)
16912 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16913 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16914 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16915 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16916 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16917 commentList[currentMove+i] = commentList[framePtr+i];
16918 commentList[framePtr+i] = NULL;
16920 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16921 framePtr = savedFramePtr[storedGames];
16922 gameInfo.result = savedResult[storedGames];
16923 if(gameInfo.resultDetails != NULL) {
16924 free(gameInfo.resultDetails);
16926 gameInfo.resultDetails = savedDetails[storedGames];
16927 forwardMostMove = currentMove + nrMoves;
16931 PopTail (Boolean annotate)
16933 if(appData.icsActive) return FALSE; // only in local mode
16934 if(!storedGames) return FALSE; // sanity
16935 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16937 PopInner(annotate);
16938 if(currentMove < forwardMostMove) ForwardEvent(); else
16939 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16941 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16947 { // remove all shelved variations
16949 for(i=0; i<storedGames; i++) {
16950 if(savedDetails[i])
16951 free(savedDetails[i]);
16952 savedDetails[i] = NULL;
16954 for(i=framePtr; i<MAX_MOVES; i++) {
16955 if(commentList[i]) free(commentList[i]);
16956 commentList[i] = NULL;
16958 framePtr = MAX_MOVES-1;
16963 LoadVariation (int index, char *text)
16964 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16965 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16966 int level = 0, move;
16968 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16969 // first find outermost bracketing variation
16970 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16971 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16972 if(*p == '{') wait = '}'; else
16973 if(*p == '[') wait = ']'; else
16974 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16975 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16977 if(*p == wait) wait = NULLCHAR; // closing ]} found
16980 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16981 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16982 end[1] = NULLCHAR; // clip off comment beyond variation
16983 ToNrEvent(currentMove-1);
16984 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16985 // kludge: use ParsePV() to append variation to game
16986 move = currentMove;
16987 ParsePV(start, TRUE, TRUE);
16988 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16989 ClearPremoveHighlights();
16991 ToNrEvent(currentMove+1);