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 Load (ChessProgramState *cps, int i)
878 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
879 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
880 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
881 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
882 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
883 ParseArgsFromString(buf);
885 ReplaceEngine(cps, i);
889 while(q = strchr(p, SLASH)) p = q+1;
890 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
891 if(engineDir[0] != NULLCHAR)
892 appData.directory[i] = engineDir;
893 else if(p != engineName) { // derive directory from engine path, when not given
895 appData.directory[i] = strdup(engineName);
897 } else appData.directory[i] = ".";
899 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
900 snprintf(command, MSG_SIZ, "%s %s", p, params);
903 appData.chessProgram[i] = strdup(p);
904 appData.isUCI[i] = isUCI;
905 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
906 appData.hasOwnBookUCI[i] = hasBook;
907 if(!nickName[0]) useNick = FALSE;
908 if(useNick) ASSIGN(appData.pgnName[i], nickName);
912 q = firstChessProgramNames;
913 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
914 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
915 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
916 quote, p, quote, appData.directory[i],
917 useNick ? " -fn \"" : "",
918 useNick ? nickName : "",
920 v1 ? " -firstProtocolVersion 1" : "",
921 hasBook ? "" : " -fNoOwnBookUCI",
922 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
923 storeVariant ? " -variant " : "",
924 storeVariant ? VariantName(gameInfo.variant) : "");
925 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
926 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
929 ReplaceEngine(cps, i);
935 int matched, min, sec;
937 * Parse timeControl resource
939 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
940 appData.movesPerSession)) {
942 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
943 DisplayFatalError(buf, 0, 2);
947 * Parse searchTime resource
949 if (*appData.searchTime != NULLCHAR) {
950 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
952 searchTime = min * 60;
953 } else if (matched == 2) {
954 searchTime = min * 60 + sec;
957 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
958 DisplayFatalError(buf, 0, 2);
967 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
968 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
970 GetTimeMark(&programStartTime);
971 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
972 appData.seedBase = random() + (random()<<15);
973 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
976 programStats.ok_to_send = 1;
977 programStats.seen_stat = 0;
980 * Initialize game list
986 * Internet chess server status
988 if (appData.icsActive) {
989 appData.matchMode = FALSE;
990 appData.matchGames = 0;
992 appData.noChessProgram = !appData.zippyPlay;
994 appData.zippyPlay = FALSE;
995 appData.zippyTalk = FALSE;
996 appData.noChessProgram = TRUE;
998 if (*appData.icsHelper != NULLCHAR) {
999 appData.useTelnet = TRUE;
1000 appData.telnetProgram = appData.icsHelper;
1003 appData.zippyTalk = appData.zippyPlay = FALSE;
1006 /* [AS] Initialize pv info list [HGM] and game state */
1010 for( i=0; i<=framePtr; i++ ) {
1011 pvInfoList[i].depth = -1;
1012 boards[i][EP_STATUS] = EP_NONE;
1013 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1019 /* [AS] Adjudication threshold */
1020 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1022 InitEngine(&first, 0);
1023 InitEngine(&second, 1);
1026 pairing.which = "pairing"; // pairing engine
1027 pairing.pr = NoProc;
1029 pairing.program = appData.pairingEngine;
1030 pairing.host = "localhost";
1033 if (appData.icsActive) {
1034 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1035 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1036 appData.clockMode = FALSE;
1037 first.sendTime = second.sendTime = 0;
1041 /* Override some settings from environment variables, for backward
1042 compatibility. Unfortunately it's not feasible to have the env
1043 vars just set defaults, at least in xboard. Ugh.
1045 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1050 if (!appData.icsActive) {
1054 /* Check for variants that are supported only in ICS mode,
1055 or not at all. Some that are accepted here nevertheless
1056 have bugs; see comments below.
1058 VariantClass variant = StringToVariant(appData.variant);
1060 case VariantBughouse: /* need four players and two boards */
1061 case VariantKriegspiel: /* need to hide pieces and move details */
1062 /* case VariantFischeRandom: (Fabien: moved below) */
1063 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1064 if( (len >= MSG_SIZ) && appData.debugMode )
1065 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1067 DisplayFatalError(buf, 0, 2);
1070 case VariantUnknown:
1071 case VariantLoadable:
1081 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1082 if( (len >= MSG_SIZ) && appData.debugMode )
1083 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1085 DisplayFatalError(buf, 0, 2);
1088 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1089 case VariantFairy: /* [HGM] TestLegality definitely off! */
1090 case VariantGothic: /* [HGM] should work */
1091 case VariantCapablanca: /* [HGM] should work */
1092 case VariantCourier: /* [HGM] initial forced moves not implemented */
1093 case VariantShogi: /* [HGM] could still mate with pawn drop */
1094 case VariantKnightmate: /* [HGM] should work */
1095 case VariantCylinder: /* [HGM] untested */
1096 case VariantFalcon: /* [HGM] untested */
1097 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1098 offboard interposition not understood */
1099 case VariantNormal: /* definitely works! */
1100 case VariantWildCastle: /* pieces not automatically shuffled */
1101 case VariantNoCastle: /* pieces not automatically shuffled */
1102 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1103 case VariantLosers: /* should work except for win condition,
1104 and doesn't know captures are mandatory */
1105 case VariantSuicide: /* should work except for win condition,
1106 and doesn't know captures are mandatory */
1107 case VariantGiveaway: /* should work except for win condition,
1108 and doesn't know captures are mandatory */
1109 case VariantTwoKings: /* should work */
1110 case VariantAtomic: /* should work except for win condition */
1111 case Variant3Check: /* should work except for win condition */
1112 case VariantShatranj: /* should work except for all win conditions */
1113 case VariantMakruk: /* should work except for draw countdown */
1114 case VariantBerolina: /* might work if TestLegality is off */
1115 case VariantCapaRandom: /* should work */
1116 case VariantJanus: /* should work */
1117 case VariantSuper: /* experimental */
1118 case VariantGreat: /* experimental, requires legality testing to be off */
1119 case VariantSChess: /* S-Chess, should work */
1120 case VariantGrand: /* should work */
1121 case VariantSpartan: /* should work */
1129 NextIntegerFromString (char ** str, long * value)
1134 while( *s == ' ' || *s == '\t' ) {
1140 if( *s >= '0' && *s <= '9' ) {
1141 while( *s >= '0' && *s <= '9' ) {
1142 *value = *value * 10 + (*s - '0');
1155 NextTimeControlFromString (char ** str, long * value)
1158 int result = NextIntegerFromString( str, &temp );
1161 *value = temp * 60; /* Minutes */
1162 if( **str == ':' ) {
1164 result = NextIntegerFromString( str, &temp );
1165 *value += temp; /* Seconds */
1173 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1174 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1175 int result = -1, type = 0; long temp, temp2;
1177 if(**str != ':') return -1; // old params remain in force!
1179 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1180 if( NextIntegerFromString( str, &temp ) ) return -1;
1181 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1184 /* time only: incremental or sudden-death time control */
1185 if(**str == '+') { /* increment follows; read it */
1187 if(**str == '!') type = *(*str)++; // Bronstein TC
1188 if(result = NextIntegerFromString( str, &temp2)) return -1;
1189 *inc = temp2 * 1000;
1190 if(**str == '.') { // read fraction of increment
1191 char *start = ++(*str);
1192 if(result = NextIntegerFromString( str, &temp2)) return -1;
1194 while(start++ < *str) temp2 /= 10;
1198 *moves = 0; *tc = temp * 1000; *incType = type;
1202 (*str)++; /* classical time control */
1203 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1215 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1216 { /* [HGM] get time to add from the multi-session time-control string */
1217 int incType, moves=1; /* kludge to force reading of first session */
1218 long time, increment;
1221 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1222 if(appData.debugMode) fprintf(debugFP, "TC string = '%s'\n", tcString);
1224 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1225 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1226 if(appData.debugMode) fprintf(debugFP, "mps=%d tc=%d inc=%d\n", moves, (int) time, (int) increment);
1227 if(movenr == -1) return time; /* last move before new session */
1228 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1229 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1230 if(!moves) return increment; /* current session is incremental */
1231 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1232 } while(movenr >= -1); /* try again for next session */
1234 return 0; // no new time quota on this move
1238 ParseTimeControl (char *tc, float ti, int mps)
1242 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1245 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1246 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1247 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1251 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1253 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1256 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1258 snprintf(buf, MSG_SIZ, ":%s", mytc);
1260 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1262 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1267 /* Parse second time control */
1270 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1278 timeControl_2 = tc2 * 1000;
1288 timeControl = tc1 * 1000;
1291 timeIncrement = ti * 1000; /* convert to ms */
1292 movesPerSession = 0;
1295 movesPerSession = mps;
1303 if (appData.debugMode) {
1304 fprintf(debugFP, "%s\n", programVersion);
1307 set_cont_sequence(appData.wrapContSeq);
1308 if (appData.matchGames > 0) {
1309 appData.matchMode = TRUE;
1310 } else if (appData.matchMode) {
1311 appData.matchGames = 1;
1313 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1314 appData.matchGames = appData.sameColorGames;
1315 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1316 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1317 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1320 if (appData.noChessProgram || first.protocolVersion == 1) {
1323 /* kludge: allow timeout for initial "feature" commands */
1325 DisplayMessage("", _("Starting chess program"));
1326 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1331 CalculateIndex (int index, int gameNr)
1332 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1334 if(index > 0) return index; // fixed nmber
1335 if(index == 0) return 1;
1336 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1337 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1342 LoadGameOrPosition (int gameNr)
1343 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1344 if (*appData.loadGameFile != NULLCHAR) {
1345 if (!LoadGameFromFile(appData.loadGameFile,
1346 CalculateIndex(appData.loadGameIndex, gameNr),
1347 appData.loadGameFile, FALSE)) {
1348 DisplayFatalError(_("Bad game file"), 0, 1);
1351 } else if (*appData.loadPositionFile != NULLCHAR) {
1352 if (!LoadPositionFromFile(appData.loadPositionFile,
1353 CalculateIndex(appData.loadPositionIndex, gameNr),
1354 appData.loadPositionFile)) {
1355 DisplayFatalError(_("Bad position file"), 0, 1);
1363 ReserveGame (int gameNr, char resChar)
1365 FILE *tf = fopen(appData.tourneyFile, "r+");
1366 char *p, *q, c, buf[MSG_SIZ];
1367 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1368 safeStrCpy(buf, lastMsg, MSG_SIZ);
1369 DisplayMessage(_("Pick new game"), "");
1370 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1371 ParseArgsFromFile(tf);
1372 p = q = appData.results;
1373 if(appData.debugMode) {
1374 char *r = appData.participants;
1375 fprintf(debugFP, "results = '%s'\n", p);
1376 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1377 fprintf(debugFP, "\n");
1379 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1381 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1382 safeStrCpy(q, p, strlen(p) + 2);
1383 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1384 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1385 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1386 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1389 fseek(tf, -(strlen(p)+4), SEEK_END);
1391 if(c != '"') // depending on DOS or Unix line endings we can be one off
1392 fseek(tf, -(strlen(p)+2), SEEK_END);
1393 else fseek(tf, -(strlen(p)+3), SEEK_END);
1394 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1395 DisplayMessage(buf, "");
1396 free(p); appData.results = q;
1397 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1398 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1399 UnloadEngine(&first); // next game belongs to other pairing;
1400 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1405 MatchEvent (int mode)
1406 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1408 if(matchMode) { // already in match mode: switch it off
1410 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1413 // if(gameMode != BeginningOfGame) {
1414 // DisplayError(_("You can only start a match from the initial position."), 0);
1418 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1419 /* Set up machine vs. machine match */
1421 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1422 if(appData.tourneyFile[0]) {
1424 if(nextGame > appData.matchGames) {
1426 if(strchr(appData.results, '*') == NULL) {
1428 appData.tourneyCycles++;
1429 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1431 NextTourneyGame(-1, &dummy);
1433 if(nextGame <= appData.matchGames) {
1434 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1436 ScheduleDelayedEvent(NextMatchGame, 10000);
1441 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1442 DisplayError(buf, 0);
1443 appData.tourneyFile[0] = 0;
1447 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1448 DisplayFatalError(_("Can't have a match with no chess programs"),
1453 matchGame = roundNr = 1;
1454 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1459 InitBackEnd3 P((void))
1461 GameMode initialMode;
1465 InitChessProgram(&first, startedFromSetupPosition);
1467 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1468 free(programVersion);
1469 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1470 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1473 if (appData.icsActive) {
1475 /* [DM] Make a console window if needed [HGM] merged ifs */
1481 if (*appData.icsCommPort != NULLCHAR)
1482 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1483 appData.icsCommPort);
1485 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1486 appData.icsHost, appData.icsPort);
1488 if( (len >= MSG_SIZ) && appData.debugMode )
1489 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1491 DisplayFatalError(buf, err, 1);
1496 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1498 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1499 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1500 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1501 } else if (appData.noChessProgram) {
1507 if (*appData.cmailGameName != NULLCHAR) {
1509 OpenLoopback(&cmailPR);
1511 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1515 DisplayMessage("", "");
1516 if (StrCaseCmp(appData.initialMode, "") == 0) {
1517 initialMode = BeginningOfGame;
1518 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1519 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1520 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1521 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1524 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1525 initialMode = TwoMachinesPlay;
1526 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1527 initialMode = AnalyzeFile;
1528 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1529 initialMode = AnalyzeMode;
1530 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1531 initialMode = MachinePlaysWhite;
1532 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1533 initialMode = MachinePlaysBlack;
1534 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1535 initialMode = EditGame;
1536 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1537 initialMode = EditPosition;
1538 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1539 initialMode = Training;
1541 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1542 if( (len >= MSG_SIZ) && appData.debugMode )
1543 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1545 DisplayFatalError(buf, 0, 2);
1549 if (appData.matchMode) {
1550 if(appData.tourneyFile[0]) { // start tourney from command line
1552 if(f = fopen(appData.tourneyFile, "r")) {
1553 ParseArgsFromFile(f); // make sure tourney parmeters re known
1555 appData.clockMode = TRUE;
1557 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1560 } else if (*appData.cmailGameName != NULLCHAR) {
1561 /* Set up cmail mode */
1562 ReloadCmailMsgEvent(TRUE);
1564 /* Set up other modes */
1565 if (initialMode == AnalyzeFile) {
1566 if (*appData.loadGameFile == NULLCHAR) {
1567 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1571 if (*appData.loadGameFile != NULLCHAR) {
1572 (void) LoadGameFromFile(appData.loadGameFile,
1573 appData.loadGameIndex,
1574 appData.loadGameFile, TRUE);
1575 } else if (*appData.loadPositionFile != NULLCHAR) {
1576 (void) LoadPositionFromFile(appData.loadPositionFile,
1577 appData.loadPositionIndex,
1578 appData.loadPositionFile);
1579 /* [HGM] try to make self-starting even after FEN load */
1580 /* to allow automatic setup of fairy variants with wtm */
1581 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1582 gameMode = BeginningOfGame;
1583 setboardSpoiledMachineBlack = 1;
1585 /* [HGM] loadPos: make that every new game uses the setup */
1586 /* from file as long as we do not switch variant */
1587 if(!blackPlaysFirst) {
1588 startedFromPositionFile = TRUE;
1589 CopyBoard(filePosition, boards[0]);
1592 if (initialMode == AnalyzeMode) {
1593 if (appData.noChessProgram) {
1594 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1597 if (appData.icsActive) {
1598 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1602 } else if (initialMode == AnalyzeFile) {
1603 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1604 ShowThinkingEvent();
1606 AnalysisPeriodicEvent(1);
1607 } else if (initialMode == MachinePlaysWhite) {
1608 if (appData.noChessProgram) {
1609 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1613 if (appData.icsActive) {
1614 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1618 MachineWhiteEvent();
1619 } else if (initialMode == MachinePlaysBlack) {
1620 if (appData.noChessProgram) {
1621 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1625 if (appData.icsActive) {
1626 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1630 MachineBlackEvent();
1631 } else if (initialMode == TwoMachinesPlay) {
1632 if (appData.noChessProgram) {
1633 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1637 if (appData.icsActive) {
1638 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1643 } else if (initialMode == EditGame) {
1645 } else if (initialMode == EditPosition) {
1646 EditPositionEvent();
1647 } else if (initialMode == Training) {
1648 if (*appData.loadGameFile == NULLCHAR) {
1649 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1658 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1660 DisplayBook(current+1);
1662 MoveHistorySet( movelist, first, last, current, pvInfoList );
1664 EvalGraphSet( first, last, current, pvInfoList );
1666 MakeEngineOutputTitle();
1670 * Establish will establish a contact to a remote host.port.
1671 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1672 * used to talk to the host.
1673 * Returns 0 if okay, error code if not.
1680 if (*appData.icsCommPort != NULLCHAR) {
1681 /* Talk to the host through a serial comm port */
1682 return OpenCommPort(appData.icsCommPort, &icsPR);
1684 } else if (*appData.gateway != NULLCHAR) {
1685 if (*appData.remoteShell == NULLCHAR) {
1686 /* Use the rcmd protocol to run telnet program on a gateway host */
1687 snprintf(buf, sizeof(buf), "%s %s %s",
1688 appData.telnetProgram, appData.icsHost, appData.icsPort);
1689 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1692 /* Use the rsh program to run telnet program on a gateway host */
1693 if (*appData.remoteUser == NULLCHAR) {
1694 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1695 appData.gateway, appData.telnetProgram,
1696 appData.icsHost, appData.icsPort);
1698 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1699 appData.remoteShell, appData.gateway,
1700 appData.remoteUser, appData.telnetProgram,
1701 appData.icsHost, appData.icsPort);
1703 return StartChildProcess(buf, "", &icsPR);
1706 } else if (appData.useTelnet) {
1707 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1710 /* TCP socket interface differs somewhat between
1711 Unix and NT; handle details in the front end.
1713 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1718 EscapeExpand (char *p, char *q)
1719 { // [HGM] initstring: routine to shape up string arguments
1720 while(*p++ = *q++) if(p[-1] == '\\')
1722 case 'n': p[-1] = '\n'; break;
1723 case 'r': p[-1] = '\r'; break;
1724 case 't': p[-1] = '\t'; break;
1725 case '\\': p[-1] = '\\'; break;
1726 case 0: *p = 0; return;
1727 default: p[-1] = q[-1]; break;
1732 show_bytes (FILE *fp, char *buf, int count)
1735 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1736 fprintf(fp, "\\%03o", *buf & 0xff);
1745 /* Returns an errno value */
1747 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1749 char buf[8192], *p, *q, *buflim;
1750 int left, newcount, outcount;
1752 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1753 *appData.gateway != NULLCHAR) {
1754 if (appData.debugMode) {
1755 fprintf(debugFP, ">ICS: ");
1756 show_bytes(debugFP, message, count);
1757 fprintf(debugFP, "\n");
1759 return OutputToProcess(pr, message, count, outError);
1762 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1769 if (appData.debugMode) {
1770 fprintf(debugFP, ">ICS: ");
1771 show_bytes(debugFP, buf, newcount);
1772 fprintf(debugFP, "\n");
1774 outcount = OutputToProcess(pr, buf, newcount, outError);
1775 if (outcount < newcount) return -1; /* to be sure */
1782 } else if (((unsigned char) *p) == TN_IAC) {
1783 *q++ = (char) TN_IAC;
1790 if (appData.debugMode) {
1791 fprintf(debugFP, ">ICS: ");
1792 show_bytes(debugFP, buf, newcount);
1793 fprintf(debugFP, "\n");
1795 outcount = OutputToProcess(pr, buf, newcount, outError);
1796 if (outcount < newcount) return -1; /* to be sure */
1801 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1803 int outError, outCount;
1804 static int gotEof = 0;
1806 /* Pass data read from player on to ICS */
1809 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1810 if (outCount < count) {
1811 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1813 } else if (count < 0) {
1814 RemoveInputSource(isr);
1815 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1816 } else if (gotEof++ > 0) {
1817 RemoveInputSource(isr);
1818 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1824 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1825 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1826 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1827 SendToICS("date\n");
1828 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1831 /* added routine for printf style output to ics */
1833 ics_printf (char *format, ...)
1835 char buffer[MSG_SIZ];
1838 va_start(args, format);
1839 vsnprintf(buffer, sizeof(buffer), format, args);
1840 buffer[sizeof(buffer)-1] = '\0';
1848 int count, outCount, outError;
1850 if (icsPR == NoProc) return;
1853 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1854 if (outCount < count) {
1855 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1859 /* This is used for sending logon scripts to the ICS. Sending
1860 without a delay causes problems when using timestamp on ICC
1861 (at least on my machine). */
1863 SendToICSDelayed (char *s, long msdelay)
1865 int count, outCount, outError;
1867 if (icsPR == NoProc) return;
1870 if (appData.debugMode) {
1871 fprintf(debugFP, ">ICS: ");
1872 show_bytes(debugFP, s, count);
1873 fprintf(debugFP, "\n");
1875 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1877 if (outCount < count) {
1878 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1883 /* Remove all highlighting escape sequences in s
1884 Also deletes any suffix starting with '('
1887 StripHighlightAndTitle (char *s)
1889 static char retbuf[MSG_SIZ];
1892 while (*s != NULLCHAR) {
1893 while (*s == '\033') {
1894 while (*s != NULLCHAR && !isalpha(*s)) s++;
1895 if (*s != NULLCHAR) s++;
1897 while (*s != NULLCHAR && *s != '\033') {
1898 if (*s == '(' || *s == '[') {
1909 /* Remove all highlighting escape sequences in s */
1911 StripHighlight (char *s)
1913 static char retbuf[MSG_SIZ];
1916 while (*s != NULLCHAR) {
1917 while (*s == '\033') {
1918 while (*s != NULLCHAR && !isalpha(*s)) s++;
1919 if (*s != NULLCHAR) s++;
1921 while (*s != NULLCHAR && *s != '\033') {
1929 char *variantNames[] = VARIANT_NAMES;
1931 VariantName (VariantClass v)
1933 return variantNames[v];
1937 /* Identify a variant from the strings the chess servers use or the
1938 PGN Variant tag names we use. */
1940 StringToVariant (char *e)
1944 VariantClass v = VariantNormal;
1945 int i, found = FALSE;
1951 /* [HGM] skip over optional board-size prefixes */
1952 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1953 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1954 while( *e++ != '_');
1957 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1961 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1962 if (StrCaseStr(e, variantNames[i])) {
1963 v = (VariantClass) i;
1970 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1971 || StrCaseStr(e, "wild/fr")
1972 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
1973 v = VariantFischeRandom;
1974 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
1975 (i = 1, p = StrCaseStr(e, "w"))) {
1977 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
1984 case 0: /* FICS only, actually */
1986 /* Castling legal even if K starts on d-file */
1987 v = VariantWildCastle;
1992 /* Castling illegal even if K & R happen to start in
1993 normal positions. */
1994 v = VariantNoCastle;
2007 /* Castling legal iff K & R start in normal positions */
2013 /* Special wilds for position setup; unclear what to do here */
2014 v = VariantLoadable;
2017 /* Bizarre ICC game */
2018 v = VariantTwoKings;
2021 v = VariantKriegspiel;
2027 v = VariantFischeRandom;
2030 v = VariantCrazyhouse;
2033 v = VariantBughouse;
2039 /* Not quite the same as FICS suicide! */
2040 v = VariantGiveaway;
2046 v = VariantShatranj;
2049 /* Temporary names for future ICC types. The name *will* change in
2050 the next xboard/WinBoard release after ICC defines it. */
2088 v = VariantCapablanca;
2091 v = VariantKnightmate;
2097 v = VariantCylinder;
2103 v = VariantCapaRandom;
2106 v = VariantBerolina;
2118 /* Found "wild" or "w" in the string but no number;
2119 must assume it's normal chess. */
2123 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2124 if( (len >= MSG_SIZ) && appData.debugMode )
2125 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2127 DisplayError(buf, 0);
2133 if (appData.debugMode) {
2134 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2135 e, wnum, VariantName(v));
2140 static int leftover_start = 0, leftover_len = 0;
2141 char star_match[STAR_MATCH_N][MSG_SIZ];
2143 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2144 advance *index beyond it, and set leftover_start to the new value of
2145 *index; else return FALSE. If pattern contains the character '*', it
2146 matches any sequence of characters not containing '\r', '\n', or the
2147 character following the '*' (if any), and the matched sequence(s) are
2148 copied into star_match.
2151 looking_at ( char *buf, int *index, char *pattern)
2153 char *bufp = &buf[*index], *patternp = pattern;
2155 char *matchp = star_match[0];
2158 if (*patternp == NULLCHAR) {
2159 *index = leftover_start = bufp - buf;
2163 if (*bufp == NULLCHAR) return FALSE;
2164 if (*patternp == '*') {
2165 if (*bufp == *(patternp + 1)) {
2167 matchp = star_match[++star_count];
2171 } else if (*bufp == '\n' || *bufp == '\r') {
2173 if (*patternp == NULLCHAR)
2178 *matchp++ = *bufp++;
2182 if (*patternp != *bufp) return FALSE;
2189 SendToPlayer (char *data, int length)
2191 int error, outCount;
2192 outCount = OutputToProcess(NoProc, data, length, &error);
2193 if (outCount < length) {
2194 DisplayFatalError(_("Error writing to display"), error, 1);
2199 PackHolding (char packed[], char *holding)
2209 switch (runlength) {
2220 sprintf(q, "%d", runlength);
2232 /* Telnet protocol requests from the front end */
2234 TelnetRequest (unsigned char ddww, unsigned char option)
2236 unsigned char msg[3];
2237 int outCount, outError;
2239 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2241 if (appData.debugMode) {
2242 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2258 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2267 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2270 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2275 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2277 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2284 if (!appData.icsActive) return;
2285 TelnetRequest(TN_DO, TN_ECHO);
2291 if (!appData.icsActive) return;
2292 TelnetRequest(TN_DONT, TN_ECHO);
2296 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2298 /* put the holdings sent to us by the server on the board holdings area */
2299 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2303 if(gameInfo.holdingsWidth < 2) return;
2304 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2305 return; // prevent overwriting by pre-board holdings
2307 if( (int)lowestPiece >= BlackPawn ) {
2310 holdingsStartRow = BOARD_HEIGHT-1;
2313 holdingsColumn = BOARD_WIDTH-1;
2314 countsColumn = BOARD_WIDTH-2;
2315 holdingsStartRow = 0;
2319 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2320 board[i][holdingsColumn] = EmptySquare;
2321 board[i][countsColumn] = (ChessSquare) 0;
2323 while( (p=*holdings++) != NULLCHAR ) {
2324 piece = CharToPiece( ToUpper(p) );
2325 if(piece == EmptySquare) continue;
2326 /*j = (int) piece - (int) WhitePawn;*/
2327 j = PieceToNumber(piece);
2328 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2329 if(j < 0) continue; /* should not happen */
2330 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2331 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2332 board[holdingsStartRow+j*direction][countsColumn]++;
2338 VariantSwitch (Board board, VariantClass newVariant)
2340 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2341 static Board oldBoard;
2343 startedFromPositionFile = FALSE;
2344 if(gameInfo.variant == newVariant) return;
2346 /* [HGM] This routine is called each time an assignment is made to
2347 * gameInfo.variant during a game, to make sure the board sizes
2348 * are set to match the new variant. If that means adding or deleting
2349 * holdings, we shift the playing board accordingly
2350 * This kludge is needed because in ICS observe mode, we get boards
2351 * of an ongoing game without knowing the variant, and learn about the
2352 * latter only later. This can be because of the move list we requested,
2353 * in which case the game history is refilled from the beginning anyway,
2354 * but also when receiving holdings of a crazyhouse game. In the latter
2355 * case we want to add those holdings to the already received position.
2359 if (appData.debugMode) {
2360 fprintf(debugFP, "Switch board from %s to %s\n",
2361 VariantName(gameInfo.variant), VariantName(newVariant));
2362 setbuf(debugFP, NULL);
2364 shuffleOpenings = 0; /* [HGM] shuffle */
2365 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2369 newWidth = 9; newHeight = 9;
2370 gameInfo.holdingsSize = 7;
2371 case VariantBughouse:
2372 case VariantCrazyhouse:
2373 newHoldingsWidth = 2; break;
2377 newHoldingsWidth = 2;
2378 gameInfo.holdingsSize = 8;
2381 case VariantCapablanca:
2382 case VariantCapaRandom:
2385 newHoldingsWidth = gameInfo.holdingsSize = 0;
2388 if(newWidth != gameInfo.boardWidth ||
2389 newHeight != gameInfo.boardHeight ||
2390 newHoldingsWidth != gameInfo.holdingsWidth ) {
2392 /* shift position to new playing area, if needed */
2393 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2394 for(i=0; i<BOARD_HEIGHT; i++)
2395 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2396 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2398 for(i=0; i<newHeight; i++) {
2399 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2400 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2402 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2403 for(i=0; i<BOARD_HEIGHT; i++)
2404 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2405 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2408 gameInfo.boardWidth = newWidth;
2409 gameInfo.boardHeight = newHeight;
2410 gameInfo.holdingsWidth = newHoldingsWidth;
2411 gameInfo.variant = newVariant;
2412 InitDrawingSizes(-2, 0);
2413 } else gameInfo.variant = newVariant;
2414 CopyBoard(oldBoard, board); // remember correctly formatted board
2415 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2416 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2419 static int loggedOn = FALSE;
2421 /*-- Game start info cache: --*/
2423 char gs_kind[MSG_SIZ];
2424 static char player1Name[128] = "";
2425 static char player2Name[128] = "";
2426 static char cont_seq[] = "\n\\ ";
2427 static int player1Rating = -1;
2428 static int player2Rating = -1;
2429 /*----------------------------*/
2431 ColorClass curColor = ColorNormal;
2432 int suppressKibitz = 0;
2435 Boolean soughtPending = FALSE;
2436 Boolean seekGraphUp;
2437 #define MAX_SEEK_ADS 200
2439 char *seekAdList[MAX_SEEK_ADS];
2440 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2441 float tcList[MAX_SEEK_ADS];
2442 char colorList[MAX_SEEK_ADS];
2443 int nrOfSeekAds = 0;
2444 int minRating = 1010, maxRating = 2800;
2445 int hMargin = 10, vMargin = 20, h, w;
2446 extern int squareSize, lineGap;
2451 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2452 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2453 if(r < minRating+100 && r >=0 ) r = minRating+100;
2454 if(r > maxRating) r = maxRating;
2455 if(tc < 1.) tc = 1.;
2456 if(tc > 95.) tc = 95.;
2457 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2458 y = ((double)r - minRating)/(maxRating - minRating)
2459 * (h-vMargin-squareSize/8-1) + vMargin;
2460 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2461 if(strstr(seekAdList[i], " u ")) color = 1;
2462 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2463 !strstr(seekAdList[i], "bullet") &&
2464 !strstr(seekAdList[i], "blitz") &&
2465 !strstr(seekAdList[i], "standard") ) color = 2;
2466 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2467 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2471 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2473 char buf[MSG_SIZ], *ext = "";
2474 VariantClass v = StringToVariant(type);
2475 if(strstr(type, "wild")) {
2476 ext = type + 4; // append wild number
2477 if(v == VariantFischeRandom) type = "chess960"; else
2478 if(v == VariantLoadable) type = "setup"; else
2479 type = VariantName(v);
2481 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2482 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2483 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2484 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2485 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2486 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2487 seekNrList[nrOfSeekAds] = nr;
2488 zList[nrOfSeekAds] = 0;
2489 seekAdList[nrOfSeekAds++] = StrSave(buf);
2490 if(plot) PlotSeekAd(nrOfSeekAds-1);
2495 EraseSeekDot (int i)
2497 int x = xList[i], y = yList[i], d=squareSize/4, k;
2498 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2499 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2500 // now replot every dot that overlapped
2501 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2502 int xx = xList[k], yy = yList[k];
2503 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2504 DrawSeekDot(xx, yy, colorList[k]);
2509 RemoveSeekAd (int nr)
2512 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2514 if(seekAdList[i]) free(seekAdList[i]);
2515 seekAdList[i] = seekAdList[--nrOfSeekAds];
2516 seekNrList[i] = seekNrList[nrOfSeekAds];
2517 ratingList[i] = ratingList[nrOfSeekAds];
2518 colorList[i] = colorList[nrOfSeekAds];
2519 tcList[i] = tcList[nrOfSeekAds];
2520 xList[i] = xList[nrOfSeekAds];
2521 yList[i] = yList[nrOfSeekAds];
2522 zList[i] = zList[nrOfSeekAds];
2523 seekAdList[nrOfSeekAds] = NULL;
2529 MatchSoughtLine (char *line)
2531 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2532 int nr, base, inc, u=0; char dummy;
2534 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2535 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2537 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2538 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2539 // match: compact and save the line
2540 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2550 if(!seekGraphUp) return FALSE;
2551 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2552 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2554 DrawSeekBackground(0, 0, w, h);
2555 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2556 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2557 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2558 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2560 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2563 snprintf(buf, MSG_SIZ, "%d", i);
2564 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2567 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2568 for(i=1; i<100; i+=(i<10?1:5)) {
2569 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2570 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2571 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2573 snprintf(buf, MSG_SIZ, "%d", i);
2574 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2577 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2582 SeekGraphClick (ClickType click, int x, int y, int moving)
2584 static int lastDown = 0, displayed = 0, lastSecond;
2585 if(y < 0) return FALSE;
2586 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2587 if(click == Release || moving) return FALSE;
2589 soughtPending = TRUE;
2590 SendToICS(ics_prefix);
2591 SendToICS("sought\n"); // should this be "sought all"?
2592 } else { // issue challenge based on clicked ad
2593 int dist = 10000; int i, closest = 0, second = 0;
2594 for(i=0; i<nrOfSeekAds; i++) {
2595 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2596 if(d < dist) { dist = d; closest = i; }
2597 second += (d - zList[i] < 120); // count in-range ads
2598 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2602 second = (second > 1);
2603 if(displayed != closest || second != lastSecond) {
2604 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2605 lastSecond = second; displayed = closest;
2607 if(click == Press) {
2608 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2611 } // on press 'hit', only show info
2612 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2613 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2614 SendToICS(ics_prefix);
2616 return TRUE; // let incoming board of started game pop down the graph
2617 } else if(click == Release) { // release 'miss' is ignored
2618 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2619 if(moving == 2) { // right up-click
2620 nrOfSeekAds = 0; // refresh graph
2621 soughtPending = TRUE;
2622 SendToICS(ics_prefix);
2623 SendToICS("sought\n"); // should this be "sought all"?
2626 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2627 // press miss or release hit 'pop down' seek graph
2628 seekGraphUp = FALSE;
2629 DrawPosition(TRUE, NULL);
2635 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2637 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2638 #define STARTED_NONE 0
2639 #define STARTED_MOVES 1
2640 #define STARTED_BOARD 2
2641 #define STARTED_OBSERVE 3
2642 #define STARTED_HOLDINGS 4
2643 #define STARTED_CHATTER 5
2644 #define STARTED_COMMENT 6
2645 #define STARTED_MOVES_NOHIDE 7
2647 static int started = STARTED_NONE;
2648 static char parse[20000];
2649 static int parse_pos = 0;
2650 static char buf[BUF_SIZE + 1];
2651 static int firstTime = TRUE, intfSet = FALSE;
2652 static ColorClass prevColor = ColorNormal;
2653 static int savingComment = FALSE;
2654 static int cmatch = 0; // continuation sequence match
2661 int backup; /* [DM] For zippy color lines */
2663 char talker[MSG_SIZ]; // [HGM] chat
2666 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2668 if (appData.debugMode) {
2670 fprintf(debugFP, "<ICS: ");
2671 show_bytes(debugFP, data, count);
2672 fprintf(debugFP, "\n");
2676 if (appData.debugMode) { int f = forwardMostMove;
2677 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2678 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2679 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2682 /* If last read ended with a partial line that we couldn't parse,
2683 prepend it to the new read and try again. */
2684 if (leftover_len > 0) {
2685 for (i=0; i<leftover_len; i++)
2686 buf[i] = buf[leftover_start + i];
2689 /* copy new characters into the buffer */
2690 bp = buf + leftover_len;
2691 buf_len=leftover_len;
2692 for (i=0; i<count; i++)
2695 if (data[i] == '\r')
2698 // join lines split by ICS?
2699 if (!appData.noJoin)
2702 Joining just consists of finding matches against the
2703 continuation sequence, and discarding that sequence
2704 if found instead of copying it. So, until a match
2705 fails, there's nothing to do since it might be the
2706 complete sequence, and thus, something we don't want
2709 if (data[i] == cont_seq[cmatch])
2712 if (cmatch == strlen(cont_seq))
2714 cmatch = 0; // complete match. just reset the counter
2717 it's possible for the ICS to not include the space
2718 at the end of the last word, making our [correct]
2719 join operation fuse two separate words. the server
2720 does this when the space occurs at the width setting.
2722 if (!buf_len || buf[buf_len-1] != ' ')
2733 match failed, so we have to copy what matched before
2734 falling through and copying this character. In reality,
2735 this will only ever be just the newline character, but
2736 it doesn't hurt to be precise.
2738 strncpy(bp, cont_seq, cmatch);
2750 buf[buf_len] = NULLCHAR;
2751 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2756 while (i < buf_len) {
2757 /* Deal with part of the TELNET option negotiation
2758 protocol. We refuse to do anything beyond the
2759 defaults, except that we allow the WILL ECHO option,
2760 which ICS uses to turn off password echoing when we are
2761 directly connected to it. We reject this option
2762 if localLineEditing mode is on (always on in xboard)
2763 and we are talking to port 23, which might be a real
2764 telnet server that will try to keep WILL ECHO on permanently.
2766 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2767 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2768 unsigned char option;
2770 switch ((unsigned char) buf[++i]) {
2772 if (appData.debugMode)
2773 fprintf(debugFP, "\n<WILL ");
2774 switch (option = (unsigned char) buf[++i]) {
2776 if (appData.debugMode)
2777 fprintf(debugFP, "ECHO ");
2778 /* Reply only if this is a change, according
2779 to the protocol rules. */
2780 if (remoteEchoOption) break;
2781 if (appData.localLineEditing &&
2782 atoi(appData.icsPort) == TN_PORT) {
2783 TelnetRequest(TN_DONT, TN_ECHO);
2786 TelnetRequest(TN_DO, TN_ECHO);
2787 remoteEchoOption = TRUE;
2791 if (appData.debugMode)
2792 fprintf(debugFP, "%d ", option);
2793 /* Whatever this is, we don't want it. */
2794 TelnetRequest(TN_DONT, option);
2799 if (appData.debugMode)
2800 fprintf(debugFP, "\n<WONT ");
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;
2809 TelnetRequest(TN_DONT, TN_ECHO);
2810 remoteEchoOption = FALSE;
2813 if (appData.debugMode)
2814 fprintf(debugFP, "%d ", (unsigned char) option);
2815 /* Whatever this is, it must already be turned
2816 off, because we never agree to turn on
2817 anything non-default, so according to the
2818 protocol rules, we don't reply. */
2823 if (appData.debugMode)
2824 fprintf(debugFP, "\n<DO ");
2825 switch (option = (unsigned char) buf[++i]) {
2827 /* Whatever this is, we refuse to do it. */
2828 if (appData.debugMode)
2829 fprintf(debugFP, "%d ", option);
2830 TelnetRequest(TN_WONT, option);
2835 if (appData.debugMode)
2836 fprintf(debugFP, "\n<DONT ");
2837 switch (option = (unsigned char) buf[++i]) {
2839 if (appData.debugMode)
2840 fprintf(debugFP, "%d ", option);
2841 /* Whatever this is, we are already not doing
2842 it, because we never agree to do anything
2843 non-default, so according to the protocol
2844 rules, we don't reply. */
2849 if (appData.debugMode)
2850 fprintf(debugFP, "\n<IAC ");
2851 /* Doubled IAC; pass it through */
2855 if (appData.debugMode)
2856 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2857 /* Drop all other telnet commands on the floor */
2860 if (oldi > next_out)
2861 SendToPlayer(&buf[next_out], oldi - next_out);
2867 /* OK, this at least will *usually* work */
2868 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2872 if (loggedOn && !intfSet) {
2873 if (ics_type == ICS_ICC) {
2874 snprintf(str, MSG_SIZ,
2875 "/set-quietly interface %s\n/set-quietly style 12\n",
2877 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2878 strcat(str, "/set-2 51 1\n/set seek 1\n");
2879 } else if (ics_type == ICS_CHESSNET) {
2880 snprintf(str, MSG_SIZ, "/style 12\n");
2882 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2883 strcat(str, programVersion);
2884 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2885 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2886 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2888 strcat(str, "$iset nohighlight 1\n");
2890 strcat(str, "$iset lock 1\n$style 12\n");
2893 NotifyFrontendLogin();
2897 if (started == STARTED_COMMENT) {
2898 /* Accumulate characters in comment */
2899 parse[parse_pos++] = buf[i];
2900 if (buf[i] == '\n') {
2901 parse[parse_pos] = NULLCHAR;
2902 if(chattingPartner>=0) {
2904 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2905 OutputChatMessage(chattingPartner, mess);
2906 chattingPartner = -1;
2907 next_out = i+1; // [HGM] suppress printing in ICS window
2909 if(!suppressKibitz) // [HGM] kibitz
2910 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2911 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2912 int nrDigit = 0, nrAlph = 0, j;
2913 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2914 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2915 parse[parse_pos] = NULLCHAR;
2916 // try to be smart: if it does not look like search info, it should go to
2917 // ICS interaction window after all, not to engine-output window.
2918 for(j=0; j<parse_pos; j++) { // count letters and digits
2919 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2920 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2921 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2923 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2924 int depth=0; float score;
2925 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2926 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2927 pvInfoList[forwardMostMove-1].depth = depth;
2928 pvInfoList[forwardMostMove-1].score = 100*score;
2930 OutputKibitz(suppressKibitz, parse);
2933 if(gameMode == IcsObserving) // restore original ICS messages
2934 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2936 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2937 SendToPlayer(tmp, strlen(tmp));
2939 next_out = i+1; // [HGM] suppress printing in ICS window
2941 started = STARTED_NONE;
2943 /* Don't match patterns against characters in comment */
2948 if (started == STARTED_CHATTER) {
2949 if (buf[i] != '\n') {
2950 /* Don't match patterns against characters in chatter */
2954 started = STARTED_NONE;
2955 if(suppressKibitz) next_out = i+1;
2958 /* Kludge to deal with rcmd protocol */
2959 if (firstTime && looking_at(buf, &i, "\001*")) {
2960 DisplayFatalError(&buf[1], 0, 1);
2966 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2969 if (appData.debugMode)
2970 fprintf(debugFP, "ics_type %d\n", ics_type);
2973 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
2974 ics_type = ICS_FICS;
2976 if (appData.debugMode)
2977 fprintf(debugFP, "ics_type %d\n", ics_type);
2980 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
2981 ics_type = ICS_CHESSNET;
2983 if (appData.debugMode)
2984 fprintf(debugFP, "ics_type %d\n", ics_type);
2989 (looking_at(buf, &i, "\"*\" is *a registered name") ||
2990 looking_at(buf, &i, "Logging you in as \"*\"") ||
2991 looking_at(buf, &i, "will be \"*\""))) {
2992 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
2996 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
2998 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
2999 DisplayIcsInteractionTitle(buf);
3000 have_set_title = TRUE;
3003 /* skip finger notes */
3004 if (started == STARTED_NONE &&
3005 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3006 (buf[i] == '1' && buf[i+1] == '0')) &&
3007 buf[i+2] == ':' && buf[i+3] == ' ') {
3008 started = STARTED_CHATTER;
3014 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3015 if(appData.seekGraph) {
3016 if(soughtPending && MatchSoughtLine(buf+i)) {
3017 i = strstr(buf+i, "rated") - buf;
3018 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3019 next_out = leftover_start = i;
3020 started = STARTED_CHATTER;
3021 suppressKibitz = TRUE;
3024 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3025 && looking_at(buf, &i, "* ads displayed")) {
3026 soughtPending = FALSE;
3031 if(appData.autoRefresh) {
3032 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3033 int s = (ics_type == ICS_ICC); // ICC format differs
3035 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3036 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3037 looking_at(buf, &i, "*% "); // eat prompt
3038 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3039 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3040 next_out = i; // suppress
3043 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3044 char *p = star_match[0];
3046 if(seekGraphUp) RemoveSeekAd(atoi(p));
3047 while(*p && *p++ != ' '); // next
3049 looking_at(buf, &i, "*% "); // eat prompt
3050 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3057 /* skip formula vars */
3058 if (started == STARTED_NONE &&
3059 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3060 started = STARTED_CHATTER;
3065 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3066 if (appData.autoKibitz && started == STARTED_NONE &&
3067 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3068 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3069 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3070 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3071 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3072 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3073 suppressKibitz = TRUE;
3074 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3076 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3077 && (gameMode == IcsPlayingWhite)) ||
3078 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3079 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3080 started = STARTED_CHATTER; // own kibitz we simply discard
3082 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3083 parse_pos = 0; parse[0] = NULLCHAR;
3084 savingComment = TRUE;
3085 suppressKibitz = gameMode != IcsObserving ? 2 :
3086 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3090 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3091 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3092 && atoi(star_match[0])) {
3093 // suppress the acknowledgements of our own autoKibitz
3095 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3096 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3097 SendToPlayer(star_match[0], strlen(star_match[0]));
3098 if(looking_at(buf, &i, "*% ")) // eat prompt
3099 suppressKibitz = FALSE;
3103 } // [HGM] kibitz: end of patch
3105 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3107 // [HGM] chat: intercept tells by users for which we have an open chat window
3109 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3110 looking_at(buf, &i, "* whispers:") ||
3111 looking_at(buf, &i, "* kibitzes:") ||
3112 looking_at(buf, &i, "* shouts:") ||
3113 looking_at(buf, &i, "* c-shouts:") ||
3114 looking_at(buf, &i, "--> * ") ||
3115 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3116 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3117 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3118 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3120 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3121 chattingPartner = -1;
3123 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3124 for(p=0; p<MAX_CHAT; p++) {
3125 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3126 talker[0] = '['; strcat(talker, "] ");
3127 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3128 chattingPartner = p; break;
3131 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3132 for(p=0; p<MAX_CHAT; p++) {
3133 if(!strcmp("kibitzes", chatPartner[p])) {
3134 talker[0] = '['; strcat(talker, "] ");
3135 chattingPartner = p; break;
3138 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3139 for(p=0; p<MAX_CHAT; p++) {
3140 if(!strcmp("whispers", chatPartner[p])) {
3141 talker[0] = '['; strcat(talker, "] ");
3142 chattingPartner = p; break;
3145 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3146 if(buf[i-8] == '-' && buf[i-3] == 't')
3147 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3148 if(!strcmp("c-shouts", chatPartner[p])) {
3149 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3150 chattingPartner = p; break;
3153 if(chattingPartner < 0)
3154 for(p=0; p<MAX_CHAT; p++) {
3155 if(!strcmp("shouts", chatPartner[p])) {
3156 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3157 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3158 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3159 chattingPartner = p; break;
3163 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3164 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3165 talker[0] = 0; Colorize(ColorTell, FALSE);
3166 chattingPartner = p; break;
3168 if(chattingPartner<0) i = oldi; else {
3169 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3170 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3171 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3172 started = STARTED_COMMENT;
3173 parse_pos = 0; parse[0] = NULLCHAR;
3174 savingComment = 3 + chattingPartner; // counts as TRUE
3175 suppressKibitz = TRUE;
3178 } // [HGM] chat: end of patch
3181 if (appData.zippyTalk || appData.zippyPlay) {
3182 /* [DM] Backup address for color zippy lines */
3184 if (loggedOn == TRUE)
3185 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3186 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3188 } // [DM] 'else { ' deleted
3190 /* Regular tells and says */
3191 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3192 looking_at(buf, &i, "* (your partner) tells you: ") ||
3193 looking_at(buf, &i, "* says: ") ||
3194 /* Don't color "message" or "messages" output */
3195 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3196 looking_at(buf, &i, "*. * at *:*: ") ||
3197 looking_at(buf, &i, "--* (*:*): ") ||
3198 /* Message notifications (same color as tells) */
3199 looking_at(buf, &i, "* has left a message ") ||
3200 looking_at(buf, &i, "* just sent you a message:\n") ||
3201 /* Whispers and kibitzes */
3202 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3203 looking_at(buf, &i, "* kibitzes: ") ||
3205 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3207 if (tkind == 1 && strchr(star_match[0], ':')) {
3208 /* Avoid "tells you:" spoofs in channels */
3211 if (star_match[0][0] == NULLCHAR ||
3212 strchr(star_match[0], ' ') ||
3213 (tkind == 3 && strchr(star_match[1], ' '))) {
3214 /* Reject bogus matches */
3217 if (appData.colorize) {
3218 if (oldi > next_out) {
3219 SendToPlayer(&buf[next_out], oldi - next_out);
3224 Colorize(ColorTell, FALSE);
3225 curColor = ColorTell;
3228 Colorize(ColorKibitz, FALSE);
3229 curColor = ColorKibitz;
3232 p = strrchr(star_match[1], '(');
3239 Colorize(ColorChannel1, FALSE);
3240 curColor = ColorChannel1;
3242 Colorize(ColorChannel, FALSE);
3243 curColor = ColorChannel;
3247 curColor = ColorNormal;
3251 if (started == STARTED_NONE && appData.autoComment &&
3252 (gameMode == IcsObserving ||
3253 gameMode == IcsPlayingWhite ||
3254 gameMode == IcsPlayingBlack)) {
3255 parse_pos = i - oldi;
3256 memcpy(parse, &buf[oldi], parse_pos);
3257 parse[parse_pos] = NULLCHAR;
3258 started = STARTED_COMMENT;
3259 savingComment = TRUE;
3261 started = STARTED_CHATTER;
3262 savingComment = FALSE;
3269 if (looking_at(buf, &i, "* s-shouts: ") ||
3270 looking_at(buf, &i, "* c-shouts: ")) {
3271 if (appData.colorize) {
3272 if (oldi > next_out) {
3273 SendToPlayer(&buf[next_out], oldi - next_out);
3276 Colorize(ColorSShout, FALSE);
3277 curColor = ColorSShout;
3280 started = STARTED_CHATTER;
3284 if (looking_at(buf, &i, "--->")) {
3289 if (looking_at(buf, &i, "* shouts: ") ||
3290 looking_at(buf, &i, "--> ")) {
3291 if (appData.colorize) {
3292 if (oldi > next_out) {
3293 SendToPlayer(&buf[next_out], oldi - next_out);
3296 Colorize(ColorShout, FALSE);
3297 curColor = ColorShout;
3300 started = STARTED_CHATTER;
3304 if (looking_at( buf, &i, "Challenge:")) {
3305 if (appData.colorize) {
3306 if (oldi > next_out) {
3307 SendToPlayer(&buf[next_out], oldi - next_out);
3310 Colorize(ColorChallenge, FALSE);
3311 curColor = ColorChallenge;
3317 if (looking_at(buf, &i, "* offers you") ||
3318 looking_at(buf, &i, "* offers to be") ||
3319 looking_at(buf, &i, "* would like to") ||
3320 looking_at(buf, &i, "* requests to") ||
3321 looking_at(buf, &i, "Your opponent offers") ||
3322 looking_at(buf, &i, "Your opponent requests")) {
3324 if (appData.colorize) {
3325 if (oldi > next_out) {
3326 SendToPlayer(&buf[next_out], oldi - next_out);
3329 Colorize(ColorRequest, FALSE);
3330 curColor = ColorRequest;
3335 if (looking_at(buf, &i, "* (*) seeking")) {
3336 if (appData.colorize) {
3337 if (oldi > next_out) {
3338 SendToPlayer(&buf[next_out], oldi - next_out);
3341 Colorize(ColorSeek, FALSE);
3342 curColor = ColorSeek;
3347 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3349 if (looking_at(buf, &i, "\\ ")) {
3350 if (prevColor != ColorNormal) {
3351 if (oldi > next_out) {
3352 SendToPlayer(&buf[next_out], oldi - next_out);
3355 Colorize(prevColor, TRUE);
3356 curColor = prevColor;
3358 if (savingComment) {
3359 parse_pos = i - oldi;
3360 memcpy(parse, &buf[oldi], parse_pos);
3361 parse[parse_pos] = NULLCHAR;
3362 started = STARTED_COMMENT;
3363 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3364 chattingPartner = savingComment - 3; // kludge to remember the box
3366 started = STARTED_CHATTER;
3371 if (looking_at(buf, &i, "Black Strength :") ||
3372 looking_at(buf, &i, "<<< style 10 board >>>") ||
3373 looking_at(buf, &i, "<10>") ||
3374 looking_at(buf, &i, "#@#")) {
3375 /* Wrong board style */
3377 SendToICS(ics_prefix);
3378 SendToICS("set style 12\n");
3379 SendToICS(ics_prefix);
3380 SendToICS("refresh\n");
3384 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3386 have_sent_ICS_logon = 1;
3390 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3391 (looking_at(buf, &i, "\n<12> ") ||
3392 looking_at(buf, &i, "<12> "))) {
3394 if (oldi > next_out) {
3395 SendToPlayer(&buf[next_out], oldi - next_out);
3398 started = STARTED_BOARD;
3403 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3404 looking_at(buf, &i, "<b1> ")) {
3405 if (oldi > next_out) {
3406 SendToPlayer(&buf[next_out], oldi - next_out);
3409 started = STARTED_HOLDINGS;
3414 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3416 /* Header for a move list -- first line */
3418 switch (ics_getting_history) {
3422 case BeginningOfGame:
3423 /* User typed "moves" or "oldmoves" while we
3424 were idle. Pretend we asked for these
3425 moves and soak them up so user can step
3426 through them and/or save them.
3429 gameMode = IcsObserving;
3432 ics_getting_history = H_GOT_UNREQ_HEADER;
3434 case EditGame: /*?*/
3435 case EditPosition: /*?*/
3436 /* Should above feature work in these modes too? */
3437 /* For now it doesn't */
3438 ics_getting_history = H_GOT_UNWANTED_HEADER;
3441 ics_getting_history = H_GOT_UNWANTED_HEADER;
3446 /* Is this the right one? */
3447 if (gameInfo.white && gameInfo.black &&
3448 strcmp(gameInfo.white, star_match[0]) == 0 &&
3449 strcmp(gameInfo.black, star_match[2]) == 0) {
3451 ics_getting_history = H_GOT_REQ_HEADER;
3454 case H_GOT_REQ_HEADER:
3455 case H_GOT_UNREQ_HEADER:
3456 case H_GOT_UNWANTED_HEADER:
3457 case H_GETTING_MOVES:
3458 /* Should not happen */
3459 DisplayError(_("Error gathering move list: two headers"), 0);
3460 ics_getting_history = H_FALSE;
3464 /* Save player ratings into gameInfo if needed */
3465 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3466 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3467 (gameInfo.whiteRating == -1 ||
3468 gameInfo.blackRating == -1)) {
3470 gameInfo.whiteRating = string_to_rating(star_match[1]);
3471 gameInfo.blackRating = string_to_rating(star_match[3]);
3472 if (appData.debugMode)
3473 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3474 gameInfo.whiteRating, gameInfo.blackRating);
3479 if (looking_at(buf, &i,
3480 "* * match, initial time: * minute*, increment: * second")) {
3481 /* Header for a move list -- second line */
3482 /* Initial board will follow if this is a wild game */
3483 if (gameInfo.event != NULL) free(gameInfo.event);
3484 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3485 gameInfo.event = StrSave(str);
3486 /* [HGM] we switched variant. Translate boards if needed. */
3487 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3491 if (looking_at(buf, &i, "Move ")) {
3492 /* Beginning of a move list */
3493 switch (ics_getting_history) {
3495 /* Normally should not happen */
3496 /* Maybe user hit reset while we were parsing */
3499 /* Happens if we are ignoring a move list that is not
3500 * the one we just requested. Common if the user
3501 * tries to observe two games without turning off
3504 case H_GETTING_MOVES:
3505 /* Should not happen */
3506 DisplayError(_("Error gathering move list: nested"), 0);
3507 ics_getting_history = H_FALSE;
3509 case H_GOT_REQ_HEADER:
3510 ics_getting_history = H_GETTING_MOVES;
3511 started = STARTED_MOVES;
3513 if (oldi > next_out) {
3514 SendToPlayer(&buf[next_out], oldi - next_out);
3517 case H_GOT_UNREQ_HEADER:
3518 ics_getting_history = H_GETTING_MOVES;
3519 started = STARTED_MOVES_NOHIDE;
3522 case H_GOT_UNWANTED_HEADER:
3523 ics_getting_history = H_FALSE;
3529 if (looking_at(buf, &i, "% ") ||
3530 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3531 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3532 if(soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3533 soughtPending = FALSE;
3537 if(suppressKibitz) next_out = i;
3538 savingComment = FALSE;
3542 case STARTED_MOVES_NOHIDE:
3543 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3544 parse[parse_pos + i - oldi] = NULLCHAR;
3545 ParseGameHistory(parse);
3547 if (appData.zippyPlay && first.initDone) {
3548 FeedMovesToProgram(&first, forwardMostMove);
3549 if (gameMode == IcsPlayingWhite) {
3550 if (WhiteOnMove(forwardMostMove)) {
3551 if (first.sendTime) {
3552 if (first.useColors) {
3553 SendToProgram("black\n", &first);
3555 SendTimeRemaining(&first, TRUE);
3557 if (first.useColors) {
3558 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3560 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3561 first.maybeThinking = TRUE;
3563 if (first.usePlayother) {
3564 if (first.sendTime) {
3565 SendTimeRemaining(&first, TRUE);
3567 SendToProgram("playother\n", &first);
3573 } else if (gameMode == IcsPlayingBlack) {
3574 if (!WhiteOnMove(forwardMostMove)) {
3575 if (first.sendTime) {
3576 if (first.useColors) {
3577 SendToProgram("white\n", &first);
3579 SendTimeRemaining(&first, FALSE);
3581 if (first.useColors) {
3582 SendToProgram("black\n", &first);
3584 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3585 first.maybeThinking = TRUE;
3587 if (first.usePlayother) {
3588 if (first.sendTime) {
3589 SendTimeRemaining(&first, FALSE);
3591 SendToProgram("playother\n", &first);
3600 if (gameMode == IcsObserving && ics_gamenum == -1) {
3601 /* Moves came from oldmoves or moves command
3602 while we weren't doing anything else.
3604 currentMove = forwardMostMove;
3605 ClearHighlights();/*!!could figure this out*/
3606 flipView = appData.flipView;
3607 DrawPosition(TRUE, boards[currentMove]);
3608 DisplayBothClocks();
3609 snprintf(str, MSG_SIZ, "%s %s %s",
3610 gameInfo.white, _("vs."), gameInfo.black);
3614 /* Moves were history of an active game */
3615 if (gameInfo.resultDetails != NULL) {
3616 free(gameInfo.resultDetails);
3617 gameInfo.resultDetails = NULL;
3620 HistorySet(parseList, backwardMostMove,
3621 forwardMostMove, currentMove-1);
3622 DisplayMove(currentMove - 1);
3623 if (started == STARTED_MOVES) next_out = i;
3624 started = STARTED_NONE;
3625 ics_getting_history = H_FALSE;
3628 case STARTED_OBSERVE:
3629 started = STARTED_NONE;
3630 SendToICS(ics_prefix);
3631 SendToICS("refresh\n");
3637 if(bookHit) { // [HGM] book: simulate book reply
3638 static char bookMove[MSG_SIZ]; // a bit generous?
3640 programStats.nodes = programStats.depth = programStats.time =
3641 programStats.score = programStats.got_only_move = 0;
3642 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3644 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3645 strcat(bookMove, bookHit);
3646 HandleMachineMove(bookMove, &first);
3651 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3652 started == STARTED_HOLDINGS ||
3653 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3654 /* Accumulate characters in move list or board */
3655 parse[parse_pos++] = buf[i];
3658 /* Start of game messages. Mostly we detect start of game
3659 when the first board image arrives. On some versions
3660 of the ICS, though, we need to do a "refresh" after starting
3661 to observe in order to get the current board right away. */
3662 if (looking_at(buf, &i, "Adding game * to observation list")) {
3663 started = STARTED_OBSERVE;
3667 /* Handle auto-observe */
3668 if (appData.autoObserve &&
3669 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3670 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3672 /* Choose the player that was highlighted, if any. */
3673 if (star_match[0][0] == '\033' ||
3674 star_match[1][0] != '\033') {
3675 player = star_match[0];
3677 player = star_match[2];
3679 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3680 ics_prefix, StripHighlightAndTitle(player));
3683 /* Save ratings from notify string */
3684 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3685 player1Rating = string_to_rating(star_match[1]);
3686 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3687 player2Rating = string_to_rating(star_match[3]);
3689 if (appData.debugMode)
3691 "Ratings from 'Game notification:' %s %d, %s %d\n",
3692 player1Name, player1Rating,
3693 player2Name, player2Rating);
3698 /* Deal with automatic examine mode after a game,
3699 and with IcsObserving -> IcsExamining transition */
3700 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3701 looking_at(buf, &i, "has made you an examiner of game *")) {
3703 int gamenum = atoi(star_match[0]);
3704 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3705 gamenum == ics_gamenum) {
3706 /* We were already playing or observing this game;
3707 no need to refetch history */
3708 gameMode = IcsExamining;
3710 pauseExamForwardMostMove = forwardMostMove;
3711 } else if (currentMove < forwardMostMove) {
3712 ForwardInner(forwardMostMove);
3715 /* I don't think this case really can happen */
3716 SendToICS(ics_prefix);
3717 SendToICS("refresh\n");
3722 /* Error messages */
3723 // if (ics_user_moved) {
3724 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3725 if (looking_at(buf, &i, "Illegal move") ||
3726 looking_at(buf, &i, "Not a legal move") ||
3727 looking_at(buf, &i, "Your king is in check") ||
3728 looking_at(buf, &i, "It isn't your turn") ||
3729 looking_at(buf, &i, "It is not your move")) {
3731 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3732 currentMove = forwardMostMove-1;
3733 DisplayMove(currentMove - 1); /* before DMError */
3734 DrawPosition(FALSE, boards[currentMove]);
3735 SwitchClocks(forwardMostMove-1); // [HGM] race
3736 DisplayBothClocks();
3738 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3744 if (looking_at(buf, &i, "still have time") ||
3745 looking_at(buf, &i, "not out of time") ||
3746 looking_at(buf, &i, "either player is out of time") ||
3747 looking_at(buf, &i, "has timeseal; checking")) {
3748 /* We must have called his flag a little too soon */
3749 whiteFlag = blackFlag = FALSE;
3753 if (looking_at(buf, &i, "added * seconds to") ||
3754 looking_at(buf, &i, "seconds were added to")) {
3755 /* Update the clocks */
3756 SendToICS(ics_prefix);
3757 SendToICS("refresh\n");
3761 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3762 ics_clock_paused = TRUE;
3767 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3768 ics_clock_paused = FALSE;
3773 /* Grab player ratings from the Creating: message.
3774 Note we have to check for the special case when
3775 the ICS inserts things like [white] or [black]. */
3776 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3777 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3779 0 player 1 name (not necessarily white)
3781 2 empty, white, or black (IGNORED)
3782 3 player 2 name (not necessarily black)
3785 The names/ratings are sorted out when the game
3786 actually starts (below).
3788 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3789 player1Rating = string_to_rating(star_match[1]);
3790 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3791 player2Rating = string_to_rating(star_match[4]);
3793 if (appData.debugMode)
3795 "Ratings from 'Creating:' %s %d, %s %d\n",
3796 player1Name, player1Rating,
3797 player2Name, player2Rating);
3802 /* Improved generic start/end-of-game messages */
3803 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3804 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3805 /* If tkind == 0: */
3806 /* star_match[0] is the game number */
3807 /* [1] is the white player's name */
3808 /* [2] is the black player's name */
3809 /* For end-of-game: */
3810 /* [3] is the reason for the game end */
3811 /* [4] is a PGN end game-token, preceded by " " */
3812 /* For start-of-game: */
3813 /* [3] begins with "Creating" or "Continuing" */
3814 /* [4] is " *" or empty (don't care). */
3815 int gamenum = atoi(star_match[0]);
3816 char *whitename, *blackname, *why, *endtoken;
3817 ChessMove endtype = EndOfFile;
3820 whitename = star_match[1];
3821 blackname = star_match[2];
3822 why = star_match[3];
3823 endtoken = star_match[4];
3825 whitename = star_match[1];
3826 blackname = star_match[3];
3827 why = star_match[5];
3828 endtoken = star_match[6];
3831 /* Game start messages */
3832 if (strncmp(why, "Creating ", 9) == 0 ||
3833 strncmp(why, "Continuing ", 11) == 0) {
3834 gs_gamenum = gamenum;
3835 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3836 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3837 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3839 if (appData.zippyPlay) {
3840 ZippyGameStart(whitename, blackname);
3843 partnerBoardValid = FALSE; // [HGM] bughouse
3847 /* Game end messages */
3848 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3849 ics_gamenum != gamenum) {
3852 while (endtoken[0] == ' ') endtoken++;
3853 switch (endtoken[0]) {
3856 endtype = GameUnfinished;
3859 endtype = BlackWins;
3862 if (endtoken[1] == '/')
3863 endtype = GameIsDrawn;
3865 endtype = WhiteWins;
3868 GameEnds(endtype, why, GE_ICS);
3870 if (appData.zippyPlay && first.initDone) {
3871 ZippyGameEnd(endtype, why);
3872 if (first.pr == NoProc) {
3873 /* Start the next process early so that we'll
3874 be ready for the next challenge */
3875 StartChessProgram(&first);
3877 /* Send "new" early, in case this command takes
3878 a long time to finish, so that we'll be ready
3879 for the next challenge. */
3880 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3884 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3888 if (looking_at(buf, &i, "Removing game * from observation") ||
3889 looking_at(buf, &i, "no longer observing game *") ||
3890 looking_at(buf, &i, "Game * (*) has no examiners")) {
3891 if (gameMode == IcsObserving &&
3892 atoi(star_match[0]) == ics_gamenum)
3894 /* icsEngineAnalyze */
3895 if (appData.icsEngineAnalyze) {
3902 ics_user_moved = FALSE;
3907 if (looking_at(buf, &i, "no longer examining game *")) {
3908 if (gameMode == IcsExamining &&
3909 atoi(star_match[0]) == ics_gamenum)
3913 ics_user_moved = FALSE;
3918 /* Advance leftover_start past any newlines we find,
3919 so only partial lines can get reparsed */
3920 if (looking_at(buf, &i, "\n")) {
3921 prevColor = curColor;
3922 if (curColor != ColorNormal) {
3923 if (oldi > next_out) {
3924 SendToPlayer(&buf[next_out], oldi - next_out);
3927 Colorize(ColorNormal, FALSE);
3928 curColor = ColorNormal;
3930 if (started == STARTED_BOARD) {
3931 started = STARTED_NONE;
3932 parse[parse_pos] = NULLCHAR;
3933 ParseBoard12(parse);
3936 /* Send premove here */
3937 if (appData.premove) {
3939 if (currentMove == 0 &&
3940 gameMode == IcsPlayingWhite &&
3941 appData.premoveWhite) {
3942 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3943 if (appData.debugMode)
3944 fprintf(debugFP, "Sending premove:\n");
3946 } else if (currentMove == 1 &&
3947 gameMode == IcsPlayingBlack &&
3948 appData.premoveBlack) {
3949 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3950 if (appData.debugMode)
3951 fprintf(debugFP, "Sending premove:\n");
3953 } else if (gotPremove) {
3955 ClearPremoveHighlights();
3956 if (appData.debugMode)
3957 fprintf(debugFP, "Sending premove:\n");
3958 UserMoveEvent(premoveFromX, premoveFromY,
3959 premoveToX, premoveToY,
3964 /* Usually suppress following prompt */
3965 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3966 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3967 if (looking_at(buf, &i, "*% ")) {
3968 savingComment = FALSE;
3973 } else if (started == STARTED_HOLDINGS) {
3975 char new_piece[MSG_SIZ];
3976 started = STARTED_NONE;
3977 parse[parse_pos] = NULLCHAR;
3978 if (appData.debugMode)
3979 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
3980 parse, currentMove);
3981 if (sscanf(parse, " game %d", &gamenum) == 1) {
3982 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
3983 if (gameInfo.variant == VariantNormal) {
3984 /* [HGM] We seem to switch variant during a game!
3985 * Presumably no holdings were displayed, so we have
3986 * to move the position two files to the right to
3987 * create room for them!
3989 VariantClass newVariant;
3990 switch(gameInfo.boardWidth) { // base guess on board width
3991 case 9: newVariant = VariantShogi; break;
3992 case 10: newVariant = VariantGreat; break;
3993 default: newVariant = VariantCrazyhouse; break;
3995 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
3996 /* Get a move list just to see the header, which
3997 will tell us whether this is really bug or zh */
3998 if (ics_getting_history == H_FALSE) {
3999 ics_getting_history = H_REQUESTED;
4000 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4004 new_piece[0] = NULLCHAR;
4005 sscanf(parse, "game %d white [%s black [%s <- %s",
4006 &gamenum, white_holding, black_holding,
4008 white_holding[strlen(white_holding)-1] = NULLCHAR;
4009 black_holding[strlen(black_holding)-1] = NULLCHAR;
4010 /* [HGM] copy holdings to board holdings area */
4011 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4012 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4013 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4015 if (appData.zippyPlay && first.initDone) {
4016 ZippyHoldings(white_holding, black_holding,
4020 if (tinyLayout || smallLayout) {
4021 char wh[16], bh[16];
4022 PackHolding(wh, white_holding);
4023 PackHolding(bh, black_holding);
4024 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4025 gameInfo.white, gameInfo.black);
4027 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4028 gameInfo.white, white_holding, _("vs."),
4029 gameInfo.black, black_holding);
4031 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4032 DrawPosition(FALSE, boards[currentMove]);
4034 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4035 sscanf(parse, "game %d white [%s black [%s <- %s",
4036 &gamenum, white_holding, black_holding,
4038 white_holding[strlen(white_holding)-1] = NULLCHAR;
4039 black_holding[strlen(black_holding)-1] = NULLCHAR;
4040 /* [HGM] copy holdings to partner-board holdings area */
4041 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4042 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4043 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4044 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4045 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4048 /* Suppress following prompt */
4049 if (looking_at(buf, &i, "*% ")) {
4050 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4051 savingComment = FALSE;
4059 i++; /* skip unparsed character and loop back */
4062 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4063 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4064 // SendToPlayer(&buf[next_out], i - next_out);
4065 started != STARTED_HOLDINGS && leftover_start > next_out) {
4066 SendToPlayer(&buf[next_out], leftover_start - next_out);
4070 leftover_len = buf_len - leftover_start;
4071 /* if buffer ends with something we couldn't parse,
4072 reparse it after appending the next read */
4074 } else if (count == 0) {
4075 RemoveInputSource(isr);
4076 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4078 DisplayFatalError(_("Error reading from ICS"), error, 1);
4083 /* Board style 12 looks like this:
4085 <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
4087 * The "<12> " is stripped before it gets to this routine. The two
4088 * trailing 0's (flip state and clock ticking) are later addition, and
4089 * some chess servers may not have them, or may have only the first.
4090 * Additional trailing fields may be added in the future.
4093 #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"
4095 #define RELATION_OBSERVING_PLAYED 0
4096 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4097 #define RELATION_PLAYING_MYMOVE 1
4098 #define RELATION_PLAYING_NOTMYMOVE -1
4099 #define RELATION_EXAMINING 2
4100 #define RELATION_ISOLATED_BOARD -3
4101 #define RELATION_STARTING_POSITION -4 /* FICS only */
4104 ParseBoard12 (char *string)
4106 GameMode newGameMode;
4107 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4108 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4109 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4110 char to_play, board_chars[200];
4111 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4112 char black[32], white[32];
4114 int prevMove = currentMove;
4117 int fromX, fromY, toX, toY;
4119 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4120 char *bookHit = NULL; // [HGM] book
4121 Boolean weird = FALSE, reqFlag = FALSE;
4123 fromX = fromY = toX = toY = -1;
4127 if (appData.debugMode)
4128 fprintf(debugFP, _("Parsing board: %s\n"), string);
4130 move_str[0] = NULLCHAR;
4131 elapsed_time[0] = NULLCHAR;
4132 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4134 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4135 if(string[i] == ' ') { ranks++; files = 0; }
4137 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4140 for(j = 0; j <i; j++) board_chars[j] = string[j];
4141 board_chars[i] = '\0';
4144 n = sscanf(string, PATTERN, &to_play, &double_push,
4145 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4146 &gamenum, white, black, &relation, &basetime, &increment,
4147 &white_stren, &black_stren, &white_time, &black_time,
4148 &moveNum, str, elapsed_time, move_str, &ics_flip,
4152 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4153 DisplayError(str, 0);
4157 /* Convert the move number to internal form */
4158 moveNum = (moveNum - 1) * 2;
4159 if (to_play == 'B') moveNum++;
4160 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4161 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4167 case RELATION_OBSERVING_PLAYED:
4168 case RELATION_OBSERVING_STATIC:
4169 if (gamenum == -1) {
4170 /* Old ICC buglet */
4171 relation = RELATION_OBSERVING_STATIC;
4173 newGameMode = IcsObserving;
4175 case RELATION_PLAYING_MYMOVE:
4176 case RELATION_PLAYING_NOTMYMOVE:
4178 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4179 IcsPlayingWhite : IcsPlayingBlack;
4181 case RELATION_EXAMINING:
4182 newGameMode = IcsExamining;
4184 case RELATION_ISOLATED_BOARD:
4186 /* Just display this board. If user was doing something else,
4187 we will forget about it until the next board comes. */
4188 newGameMode = IcsIdle;
4190 case RELATION_STARTING_POSITION:
4191 newGameMode = gameMode;
4195 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4196 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4197 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4199 for (k = 0; k < ranks; k++) {
4200 for (j = 0; j < files; j++)
4201 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4202 if(gameInfo.holdingsWidth > 1) {
4203 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4204 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4207 CopyBoard(partnerBoard, board);
4208 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4209 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4210 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4211 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4212 if(toSqr = strchr(str, '-')) {
4213 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4214 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4215 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4216 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4217 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4218 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4219 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4220 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4221 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4222 DisplayMessage(partnerStatus, "");
4223 partnerBoardValid = TRUE;
4227 /* Modify behavior for initial board display on move listing
4230 switch (ics_getting_history) {
4234 case H_GOT_REQ_HEADER:
4235 case H_GOT_UNREQ_HEADER:
4236 /* This is the initial position of the current game */
4237 gamenum = ics_gamenum;
4238 moveNum = 0; /* old ICS bug workaround */
4239 if (to_play == 'B') {
4240 startedFromSetupPosition = TRUE;
4241 blackPlaysFirst = TRUE;
4243 if (forwardMostMove == 0) forwardMostMove = 1;
4244 if (backwardMostMove == 0) backwardMostMove = 1;
4245 if (currentMove == 0) currentMove = 1;
4247 newGameMode = gameMode;
4248 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4250 case H_GOT_UNWANTED_HEADER:
4251 /* This is an initial board that we don't want */
4253 case H_GETTING_MOVES:
4254 /* Should not happen */
4255 DisplayError(_("Error gathering move list: extra board"), 0);
4256 ics_getting_history = H_FALSE;
4260 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4261 weird && (int)gameInfo.variant < (int)VariantShogi) {
4262 /* [HGM] We seem to have switched variant unexpectedly
4263 * Try to guess new variant from board size
4265 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4266 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4267 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4268 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4269 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4270 if(!weird) newVariant = VariantNormal;
4271 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4272 /* Get a move list just to see the header, which
4273 will tell us whether this is really bug or zh */
4274 if (ics_getting_history == H_FALSE) {
4275 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4276 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4281 /* Take action if this is the first board of a new game, or of a
4282 different game than is currently being displayed. */
4283 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4284 relation == RELATION_ISOLATED_BOARD) {
4286 /* Forget the old game and get the history (if any) of the new one */
4287 if (gameMode != BeginningOfGame) {
4291 if (appData.autoRaiseBoard) BoardToTop();
4293 if (gamenum == -1) {
4294 newGameMode = IcsIdle;
4295 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4296 appData.getMoveList && !reqFlag) {
4297 /* Need to get game history */
4298 ics_getting_history = H_REQUESTED;
4299 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4303 /* Initially flip the board to have black on the bottom if playing
4304 black or if the ICS flip flag is set, but let the user change
4305 it with the Flip View button. */
4306 flipView = appData.autoFlipView ?
4307 (newGameMode == IcsPlayingBlack) || ics_flip :
4310 /* Done with values from previous mode; copy in new ones */
4311 gameMode = newGameMode;
4313 ics_gamenum = gamenum;
4314 if (gamenum == gs_gamenum) {
4315 int klen = strlen(gs_kind);
4316 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4317 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4318 gameInfo.event = StrSave(str);
4320 gameInfo.event = StrSave("ICS game");
4322 gameInfo.site = StrSave(appData.icsHost);
4323 gameInfo.date = PGNDate();
4324 gameInfo.round = StrSave("-");
4325 gameInfo.white = StrSave(white);
4326 gameInfo.black = StrSave(black);
4327 timeControl = basetime * 60 * 1000;
4329 timeIncrement = increment * 1000;
4330 movesPerSession = 0;
4331 gameInfo.timeControl = TimeControlTagValue();
4332 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4333 if (appData.debugMode) {
4334 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4335 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4336 setbuf(debugFP, NULL);
4339 gameInfo.outOfBook = NULL;
4341 /* Do we have the ratings? */
4342 if (strcmp(player1Name, white) == 0 &&
4343 strcmp(player2Name, black) == 0) {
4344 if (appData.debugMode)
4345 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4346 player1Rating, player2Rating);
4347 gameInfo.whiteRating = player1Rating;
4348 gameInfo.blackRating = player2Rating;
4349 } else if (strcmp(player2Name, white) == 0 &&
4350 strcmp(player1Name, black) == 0) {
4351 if (appData.debugMode)
4352 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4353 player2Rating, player1Rating);
4354 gameInfo.whiteRating = player2Rating;
4355 gameInfo.blackRating = player1Rating;
4357 player1Name[0] = player2Name[0] = NULLCHAR;
4359 /* Silence shouts if requested */
4360 if (appData.quietPlay &&
4361 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4362 SendToICS(ics_prefix);
4363 SendToICS("set shout 0\n");
4367 /* Deal with midgame name changes */
4369 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4370 if (gameInfo.white) free(gameInfo.white);
4371 gameInfo.white = StrSave(white);
4373 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4374 if (gameInfo.black) free(gameInfo.black);
4375 gameInfo.black = StrSave(black);
4379 /* Throw away game result if anything actually changes in examine mode */
4380 if (gameMode == IcsExamining && !newGame) {
4381 gameInfo.result = GameUnfinished;
4382 if (gameInfo.resultDetails != NULL) {
4383 free(gameInfo.resultDetails);
4384 gameInfo.resultDetails = NULL;
4388 /* In pausing && IcsExamining mode, we ignore boards coming
4389 in if they are in a different variation than we are. */
4390 if (pauseExamInvalid) return;
4391 if (pausing && gameMode == IcsExamining) {
4392 if (moveNum <= pauseExamForwardMostMove) {
4393 pauseExamInvalid = TRUE;
4394 forwardMostMove = pauseExamForwardMostMove;
4399 if (appData.debugMode) {
4400 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4402 /* Parse the board */
4403 for (k = 0; k < ranks; k++) {
4404 for (j = 0; j < files; j++)
4405 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4406 if(gameInfo.holdingsWidth > 1) {
4407 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4408 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4411 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4412 board[5][BOARD_RGHT+1] = WhiteAngel;
4413 board[6][BOARD_RGHT+1] = WhiteMarshall;
4414 board[1][0] = BlackMarshall;
4415 board[2][0] = BlackAngel;
4416 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4418 CopyBoard(boards[moveNum], board);
4419 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4421 startedFromSetupPosition =
4422 !CompareBoards(board, initialPosition);
4423 if(startedFromSetupPosition)
4424 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4427 /* [HGM] Set castling rights. Take the outermost Rooks,
4428 to make it also work for FRC opening positions. Note that board12
4429 is really defective for later FRC positions, as it has no way to
4430 indicate which Rook can castle if they are on the same side of King.
4431 For the initial position we grant rights to the outermost Rooks,
4432 and remember thos rights, and we then copy them on positions
4433 later in an FRC game. This means WB might not recognize castlings with
4434 Rooks that have moved back to their original position as illegal,
4435 but in ICS mode that is not its job anyway.
4437 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4438 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4440 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4441 if(board[0][i] == WhiteRook) j = i;
4442 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4443 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4444 if(board[0][i] == WhiteRook) j = i;
4445 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4446 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4447 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4448 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4449 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4450 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4451 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4453 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4454 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4455 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4456 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4457 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4458 if(board[BOARD_HEIGHT-1][k] == bKing)
4459 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4460 if(gameInfo.variant == VariantTwoKings) {
4461 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4462 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4463 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4466 r = boards[moveNum][CASTLING][0] = initialRights[0];
4467 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4468 r = boards[moveNum][CASTLING][1] = initialRights[1];
4469 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4470 r = boards[moveNum][CASTLING][3] = initialRights[3];
4471 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4472 r = boards[moveNum][CASTLING][4] = initialRights[4];
4473 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4474 /* wildcastle kludge: always assume King has rights */
4475 r = boards[moveNum][CASTLING][2] = initialRights[2];
4476 r = boards[moveNum][CASTLING][5] = initialRights[5];
4478 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4479 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4482 if (ics_getting_history == H_GOT_REQ_HEADER ||
4483 ics_getting_history == H_GOT_UNREQ_HEADER) {
4484 /* This was an initial position from a move list, not
4485 the current position */
4489 /* Update currentMove and known move number limits */
4490 newMove = newGame || moveNum > forwardMostMove;
4493 forwardMostMove = backwardMostMove = currentMove = moveNum;
4494 if (gameMode == IcsExamining && moveNum == 0) {
4495 /* Workaround for ICS limitation: we are not told the wild
4496 type when starting to examine a game. But if we ask for
4497 the move list, the move list header will tell us */
4498 ics_getting_history = H_REQUESTED;
4499 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4502 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4503 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4505 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4506 /* [HGM] applied this also to an engine that is silently watching */
4507 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4508 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4509 gameInfo.variant == currentlyInitializedVariant) {
4510 takeback = forwardMostMove - moveNum;
4511 for (i = 0; i < takeback; i++) {
4512 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4513 SendToProgram("undo\n", &first);
4518 forwardMostMove = moveNum;
4519 if (!pausing || currentMove > forwardMostMove)
4520 currentMove = forwardMostMove;
4522 /* New part of history that is not contiguous with old part */
4523 if (pausing && gameMode == IcsExamining) {
4524 pauseExamInvalid = TRUE;
4525 forwardMostMove = pauseExamForwardMostMove;
4528 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4530 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4531 // [HGM] when we will receive the move list we now request, it will be
4532 // fed to the engine from the first move on. So if the engine is not
4533 // in the initial position now, bring it there.
4534 InitChessProgram(&first, 0);
4537 ics_getting_history = H_REQUESTED;
4538 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4541 forwardMostMove = backwardMostMove = currentMove = moveNum;
4544 /* Update the clocks */
4545 if (strchr(elapsed_time, '.')) {
4547 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4548 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4550 /* Time is in seconds */
4551 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4552 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4557 if (appData.zippyPlay && newGame &&
4558 gameMode != IcsObserving && gameMode != IcsIdle &&
4559 gameMode != IcsExamining)
4560 ZippyFirstBoard(moveNum, basetime, increment);
4563 /* Put the move on the move list, first converting
4564 to canonical algebraic form. */
4566 if (appData.debugMode) {
4567 if (appData.debugMode) { int f = forwardMostMove;
4568 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4569 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4570 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4572 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4573 fprintf(debugFP, "moveNum = %d\n", moveNum);
4574 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4575 setbuf(debugFP, NULL);
4577 if (moveNum <= backwardMostMove) {
4578 /* We don't know what the board looked like before
4580 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4581 strcat(parseList[moveNum - 1], " ");
4582 strcat(parseList[moveNum - 1], elapsed_time);
4583 moveList[moveNum - 1][0] = NULLCHAR;
4584 } else if (strcmp(move_str, "none") == 0) {
4585 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4586 /* Again, we don't know what the board looked like;
4587 this is really the start of the game. */
4588 parseList[moveNum - 1][0] = NULLCHAR;
4589 moveList[moveNum - 1][0] = NULLCHAR;
4590 backwardMostMove = moveNum;
4591 startedFromSetupPosition = TRUE;
4592 fromX = fromY = toX = toY = -1;
4594 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4595 // So we parse the long-algebraic move string in stead of the SAN move
4596 int valid; char buf[MSG_SIZ], *prom;
4598 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4599 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4600 // str looks something like "Q/a1-a2"; kill the slash
4602 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4603 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4604 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4605 strcat(buf, prom); // long move lacks promo specification!
4606 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4607 if(appData.debugMode)
4608 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4609 safeStrCpy(move_str, buf, MSG_SIZ);
4611 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4612 &fromX, &fromY, &toX, &toY, &promoChar)
4613 || ParseOneMove(buf, moveNum - 1, &moveType,
4614 &fromX, &fromY, &toX, &toY, &promoChar);
4615 // end of long SAN patch
4617 (void) CoordsToAlgebraic(boards[moveNum - 1],
4618 PosFlags(moveNum - 1),
4619 fromY, fromX, toY, toX, promoChar,
4620 parseList[moveNum-1]);
4621 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4627 if(gameInfo.variant != VariantShogi)
4628 strcat(parseList[moveNum - 1], "+");
4631 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4632 strcat(parseList[moveNum - 1], "#");
4635 strcat(parseList[moveNum - 1], " ");
4636 strcat(parseList[moveNum - 1], elapsed_time);
4637 /* currentMoveString is set as a side-effect of ParseOneMove */
4638 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4639 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4640 strcat(moveList[moveNum - 1], "\n");
4642 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4643 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4644 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4645 ChessSquare old, new = boards[moveNum][k][j];
4646 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4647 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4648 if(old == new) continue;
4649 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4650 else if(new == WhiteWazir || new == BlackWazir) {
4651 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4652 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4653 else boards[moveNum][k][j] = old; // preserve type of Gold
4654 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4655 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4658 /* Move from ICS was illegal!? Punt. */
4659 if (appData.debugMode) {
4660 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4661 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4663 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4664 strcat(parseList[moveNum - 1], " ");
4665 strcat(parseList[moveNum - 1], elapsed_time);
4666 moveList[moveNum - 1][0] = NULLCHAR;
4667 fromX = fromY = toX = toY = -1;
4670 if (appData.debugMode) {
4671 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4672 setbuf(debugFP, NULL);
4676 /* Send move to chess program (BEFORE animating it). */
4677 if (appData.zippyPlay && !newGame && newMove &&
4678 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4680 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4681 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4682 if (moveList[moveNum - 1][0] == NULLCHAR) {
4683 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4685 DisplayError(str, 0);
4687 if (first.sendTime) {
4688 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4690 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4691 if (firstMove && !bookHit) {
4693 if (first.useColors) {
4694 SendToProgram(gameMode == IcsPlayingWhite ?
4696 "black\ngo\n", &first);
4698 SendToProgram("go\n", &first);
4700 first.maybeThinking = TRUE;
4703 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4704 if (moveList[moveNum - 1][0] == NULLCHAR) {
4705 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4706 DisplayError(str, 0);
4708 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4709 SendMoveToProgram(moveNum - 1, &first);
4716 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4717 /* If move comes from a remote source, animate it. If it
4718 isn't remote, it will have already been animated. */
4719 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4720 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4722 if (!pausing && appData.highlightLastMove) {
4723 SetHighlights(fromX, fromY, toX, toY);
4727 /* Start the clocks */
4728 whiteFlag = blackFlag = FALSE;
4729 appData.clockMode = !(basetime == 0 && increment == 0);
4731 ics_clock_paused = TRUE;
4733 } else if (ticking == 1) {
4734 ics_clock_paused = FALSE;
4736 if (gameMode == IcsIdle ||
4737 relation == RELATION_OBSERVING_STATIC ||
4738 relation == RELATION_EXAMINING ||
4740 DisplayBothClocks();
4744 /* Display opponents and material strengths */
4745 if (gameInfo.variant != VariantBughouse &&
4746 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4747 if (tinyLayout || smallLayout) {
4748 if(gameInfo.variant == VariantNormal)
4749 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4750 gameInfo.white, white_stren, gameInfo.black, black_stren,
4751 basetime, increment);
4753 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4754 gameInfo.white, white_stren, gameInfo.black, black_stren,
4755 basetime, increment, (int) gameInfo.variant);
4757 if(gameInfo.variant == VariantNormal)
4758 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4759 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4760 basetime, increment);
4762 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4763 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4764 basetime, increment, VariantName(gameInfo.variant));
4767 if (appData.debugMode) {
4768 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4773 /* Display the board */
4774 if (!pausing && !appData.noGUI) {
4776 if (appData.premove)
4778 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4779 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4780 ClearPremoveHighlights();
4782 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4783 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4784 DrawPosition(j, boards[currentMove]);
4786 DisplayMove(moveNum - 1);
4787 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4788 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4789 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4790 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4794 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4796 if(bookHit) { // [HGM] book: simulate book reply
4797 static char bookMove[MSG_SIZ]; // a bit generous?
4799 programStats.nodes = programStats.depth = programStats.time =
4800 programStats.score = programStats.got_only_move = 0;
4801 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4803 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4804 strcat(bookMove, bookHit);
4805 HandleMachineMove(bookMove, &first);
4814 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4815 ics_getting_history = H_REQUESTED;
4816 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4822 AnalysisPeriodicEvent (int force)
4824 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4825 && !force) || !appData.periodicUpdates)
4828 /* Send . command to Crafty to collect stats */
4829 SendToProgram(".\n", &first);
4831 /* Don't send another until we get a response (this makes
4832 us stop sending to old Crafty's which don't understand
4833 the "." command (sending illegal cmds resets node count & time,
4834 which looks bad)) */
4835 programStats.ok_to_send = 0;
4839 ics_update_width (int new_width)
4841 ics_printf("set width %d\n", new_width);
4845 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4849 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4850 // null move in variant where engine does not understand it (for analysis purposes)
4851 SendBoard(cps, moveNum + 1); // send position after move in stead.
4854 if (cps->useUsermove) {
4855 SendToProgram("usermove ", cps);
4859 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4860 int len = space - parseList[moveNum];
4861 memcpy(buf, parseList[moveNum], len);
4863 buf[len] = NULLCHAR;
4865 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4867 SendToProgram(buf, cps);
4869 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4870 AlphaRank(moveList[moveNum], 4);
4871 SendToProgram(moveList[moveNum], cps);
4872 AlphaRank(moveList[moveNum], 4); // and back
4874 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4875 * the engine. It would be nice to have a better way to identify castle
4877 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4878 && cps->useOOCastle) {
4879 int fromX = moveList[moveNum][0] - AAA;
4880 int fromY = moveList[moveNum][1] - ONE;
4881 int toX = moveList[moveNum][2] - AAA;
4882 int toY = moveList[moveNum][3] - ONE;
4883 if((boards[moveNum][fromY][fromX] == WhiteKing
4884 && boards[moveNum][toY][toX] == WhiteRook)
4885 || (boards[moveNum][fromY][fromX] == BlackKing
4886 && boards[moveNum][toY][toX] == BlackRook)) {
4887 if(toX > fromX) SendToProgram("O-O\n", cps);
4888 else SendToProgram("O-O-O\n", cps);
4890 else SendToProgram(moveList[moveNum], cps);
4892 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4893 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4894 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4895 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4896 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4898 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4899 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4900 SendToProgram(buf, cps);
4902 else SendToProgram(moveList[moveNum], cps);
4903 /* End of additions by Tord */
4906 /* [HGM] setting up the opening has brought engine in force mode! */
4907 /* Send 'go' if we are in a mode where machine should play. */
4908 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4909 (gameMode == TwoMachinesPlay ||
4911 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4913 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4914 SendToProgram("go\n", cps);
4915 if (appData.debugMode) {
4916 fprintf(debugFP, "(extra)\n");
4919 setboardSpoiledMachineBlack = 0;
4923 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
4925 char user_move[MSG_SIZ];
4928 if(gameInfo.variant == VariantSChess && promoChar) {
4929 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4930 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4931 } else suffix[0] = NULLCHAR;
4935 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4936 (int)moveType, fromX, fromY, toX, toY);
4937 DisplayError(user_move + strlen("say "), 0);
4939 case WhiteKingSideCastle:
4940 case BlackKingSideCastle:
4941 case WhiteQueenSideCastleWild:
4942 case BlackQueenSideCastleWild:
4944 case WhiteHSideCastleFR:
4945 case BlackHSideCastleFR:
4947 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4949 case WhiteQueenSideCastle:
4950 case BlackQueenSideCastle:
4951 case WhiteKingSideCastleWild:
4952 case BlackKingSideCastleWild:
4954 case WhiteASideCastleFR:
4955 case BlackASideCastleFR:
4957 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
4959 case WhiteNonPromotion:
4960 case BlackNonPromotion:
4961 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4963 case WhitePromotion:
4964 case BlackPromotion:
4965 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4966 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4967 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4968 PieceToChar(WhiteFerz));
4969 else if(gameInfo.variant == VariantGreat)
4970 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4971 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4972 PieceToChar(WhiteMan));
4974 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4975 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4981 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
4982 ToUpper(PieceToChar((ChessSquare) fromX)),
4983 AAA + toX, ONE + toY);
4985 case IllegalMove: /* could be a variant we don't quite understand */
4986 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
4988 case WhiteCapturesEnPassant:
4989 case BlackCapturesEnPassant:
4990 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
4991 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4994 SendToICS(user_move);
4995 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
4996 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5001 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5002 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5003 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5004 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5005 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5008 if(gameMode != IcsExamining) { // is this ever not the case?
5009 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5011 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5012 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5013 } else { // on FICS we must first go to general examine mode
5014 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5016 if(gameInfo.variant != VariantNormal) {
5017 // try figure out wild number, as xboard names are not always valid on ICS
5018 for(i=1; i<=36; i++) {
5019 snprintf(buf, MSG_SIZ, "wild/%d", i);
5020 if(StringToVariant(buf) == gameInfo.variant) break;
5022 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5023 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5024 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5025 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5026 SendToICS(ics_prefix);
5028 if(startedFromSetupPosition || backwardMostMove != 0) {
5029 fen = PositionToFEN(backwardMostMove, NULL);
5030 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5031 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5033 } else { // FICS: everything has to set by separate bsetup commands
5034 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5035 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5037 if(!WhiteOnMove(backwardMostMove)) {
5038 SendToICS("bsetup tomove black\n");
5040 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5041 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5043 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5044 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5046 i = boards[backwardMostMove][EP_STATUS];
5047 if(i >= 0) { // set e.p.
5048 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5054 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5055 SendToICS("bsetup done\n"); // switch to normal examining.
5057 for(i = backwardMostMove; i<last; i++) {
5059 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5062 SendToICS(ics_prefix);
5063 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5067 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5069 if (rf == DROP_RANK) {
5070 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5071 sprintf(move, "%c@%c%c\n",
5072 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5074 if (promoChar == 'x' || promoChar == NULLCHAR) {
5075 sprintf(move, "%c%c%c%c\n",
5076 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5078 sprintf(move, "%c%c%c%c%c\n",
5079 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5085 ProcessICSInitScript (FILE *f)
5089 while (fgets(buf, MSG_SIZ, f)) {
5090 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5097 static int lastX, lastY, selectFlag, dragging;
5102 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5103 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5104 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5105 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5106 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5107 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5110 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5111 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5112 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5113 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5114 if(!step) step = -1;
5115 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5116 appData.testLegality && (promoSweep == king ||
5117 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5118 ChangeDragPiece(promoSweep);
5122 PromoScroll (int x, int y)
5126 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5127 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5128 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5129 if(!step) return FALSE;
5130 lastX = x; lastY = y;
5131 if((promoSweep < BlackPawn) == flipView) step = -step;
5132 if(step > 0) selectFlag = 1;
5133 if(!selectFlag) Sweep(step);
5138 NextPiece (int step)
5140 ChessSquare piece = boards[currentMove][toY][toX];
5143 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5144 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5145 if(!step) step = -1;
5146 } while(PieceToChar(pieceSweep) == '.');
5147 boards[currentMove][toY][toX] = pieceSweep;
5148 DrawPosition(FALSE, boards[currentMove]);
5149 boards[currentMove][toY][toX] = piece;
5151 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5153 AlphaRank (char *move, int n)
5155 // char *p = move, c; int x, y;
5157 if (appData.debugMode) {
5158 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5162 move[2]>='0' && move[2]<='9' &&
5163 move[3]>='a' && move[3]<='x' ) {
5165 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5166 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5168 if(move[0]>='0' && move[0]<='9' &&
5169 move[1]>='a' && move[1]<='x' &&
5170 move[2]>='0' && move[2]<='9' &&
5171 move[3]>='a' && move[3]<='x' ) {
5172 /* input move, Shogi -> normal */
5173 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5174 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5175 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5176 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5179 move[3]>='0' && move[3]<='9' &&
5180 move[2]>='a' && move[2]<='x' ) {
5182 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5183 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5186 move[0]>='a' && move[0]<='x' &&
5187 move[3]>='0' && move[3]<='9' &&
5188 move[2]>='a' && move[2]<='x' ) {
5189 /* output move, normal -> Shogi */
5190 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5191 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5192 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5193 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5194 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5196 if (appData.debugMode) {
5197 fprintf(debugFP, " out = '%s'\n", move);
5201 char yy_textstr[8000];
5203 /* Parser for moves from gnuchess, ICS, or user typein box */
5205 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5207 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5209 switch (*moveType) {
5210 case WhitePromotion:
5211 case BlackPromotion:
5212 case WhiteNonPromotion:
5213 case BlackNonPromotion:
5215 case WhiteCapturesEnPassant:
5216 case BlackCapturesEnPassant:
5217 case WhiteKingSideCastle:
5218 case WhiteQueenSideCastle:
5219 case BlackKingSideCastle:
5220 case BlackQueenSideCastle:
5221 case WhiteKingSideCastleWild:
5222 case WhiteQueenSideCastleWild:
5223 case BlackKingSideCastleWild:
5224 case BlackQueenSideCastleWild:
5225 /* Code added by Tord: */
5226 case WhiteHSideCastleFR:
5227 case WhiteASideCastleFR:
5228 case BlackHSideCastleFR:
5229 case BlackASideCastleFR:
5230 /* End of code added by Tord */
5231 case IllegalMove: /* bug or odd chess variant */
5232 *fromX = currentMoveString[0] - AAA;
5233 *fromY = currentMoveString[1] - ONE;
5234 *toX = currentMoveString[2] - AAA;
5235 *toY = currentMoveString[3] - ONE;
5236 *promoChar = currentMoveString[4];
5237 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5238 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5239 if (appData.debugMode) {
5240 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5242 *fromX = *fromY = *toX = *toY = 0;
5245 if (appData.testLegality) {
5246 return (*moveType != IllegalMove);
5248 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5249 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5254 *fromX = *moveType == WhiteDrop ?
5255 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5256 (int) CharToPiece(ToLower(currentMoveString[0]));
5258 *toX = currentMoveString[2] - AAA;
5259 *toY = currentMoveString[3] - ONE;
5260 *promoChar = NULLCHAR;
5264 case ImpossibleMove:
5274 if (appData.debugMode) {
5275 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5278 *fromX = *fromY = *toX = *toY = 0;
5279 *promoChar = NULLCHAR;
5284 Boolean pushed = FALSE;
5285 char *lastParseAttempt;
5288 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5289 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5290 int fromX, fromY, toX, toY; char promoChar;
5295 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5296 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5299 endPV = forwardMostMove;
5301 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5302 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5303 lastParseAttempt = pv;
5304 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5305 if(appData.debugMode){
5306 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);
5308 if(!valid && nr == 0 &&
5309 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5310 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5311 // Hande case where played move is different from leading PV move
5312 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5313 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5314 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5315 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5316 endPV += 2; // if position different, keep this
5317 moveList[endPV-1][0] = fromX + AAA;
5318 moveList[endPV-1][1] = fromY + ONE;
5319 moveList[endPV-1][2] = toX + AAA;
5320 moveList[endPV-1][3] = toY + ONE;
5321 parseList[endPV-1][0] = NULLCHAR;
5322 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5325 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5326 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5327 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5328 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5329 valid++; // allow comments in PV
5333 if(endPV+1 > framePtr) break; // no space, truncate
5336 CopyBoard(boards[endPV], boards[endPV-1]);
5337 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5338 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5339 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5340 CoordsToAlgebraic(boards[endPV - 1],
5341 PosFlags(endPV - 1),
5342 fromY, fromX, toY, toX, promoChar,
5343 parseList[endPV - 1]);
5345 if(atEnd == 2) return; // used hidden, for PV conversion
5346 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5347 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5348 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5349 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5350 DrawPosition(TRUE, boards[currentMove]);
5354 MultiPV (ChessProgramState *cps)
5355 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5357 for(i=0; i<cps->nrOptions; i++)
5358 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5364 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5366 int startPV, multi, lineStart, origIndex = index;
5367 char *p, buf2[MSG_SIZ];
5369 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5370 lastX = x; lastY = y;
5371 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5372 lineStart = startPV = index;
5373 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5374 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5376 do{ while(buf[index] && buf[index] != '\n') index++;
5377 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5379 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5380 int n = first.option[multi].value;
5381 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5382 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5383 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5384 first.option[multi].value = n;
5388 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5389 *start = startPV; *end = index-1;
5396 static char buf[10*MSG_SIZ];
5397 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5399 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5400 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5401 for(i = forwardMostMove; i<endPV; i++){
5402 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5403 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5406 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5407 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5413 LoadPV (int x, int y)
5414 { // called on right mouse click to load PV
5415 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5416 lastX = x; lastY = y;
5417 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5424 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5425 if(endPV < 0) return;
5427 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5428 Boolean saveAnimate = appData.animate;
5430 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5431 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5432 } else storedGames--; // abandon shelved tail of original game
5435 forwardMostMove = currentMove;
5436 currentMove = oldFMM;
5437 appData.animate = FALSE;
5438 ToNrEvent(forwardMostMove);
5439 appData.animate = saveAnimate;
5441 currentMove = forwardMostMove;
5442 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5443 ClearPremoveHighlights();
5444 DrawPosition(TRUE, boards[currentMove]);
5448 MovePV (int x, int y, int h)
5449 { // step through PV based on mouse coordinates (called on mouse move)
5450 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5452 // we must somehow check if right button is still down (might be released off board!)
5453 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5454 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5455 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5457 lastX = x; lastY = y;
5459 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5460 if(endPV < 0) return;
5461 if(y < margin) step = 1; else
5462 if(y > h - margin) step = -1;
5463 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5464 currentMove += step;
5465 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5466 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5467 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5468 DrawPosition(FALSE, boards[currentMove]);
5472 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5473 // All positions will have equal probability, but the current method will not provide a unique
5474 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5480 int piecesLeft[(int)BlackPawn];
5481 int seed, nrOfShuffles;
5484 GetPositionNumber ()
5485 { // sets global variable seed
5488 seed = appData.defaultFrcPosition;
5489 if(seed < 0) { // randomize based on time for negative FRC position numbers
5490 for(i=0; i<50; i++) seed += random();
5491 seed = random() ^ random() >> 8 ^ random() << 8;
5492 if(seed<0) seed = -seed;
5497 put (Board board, int pieceType, int rank, int n, int shade)
5498 // put the piece on the (n-1)-th empty squares of the given shade
5502 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5503 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5504 board[rank][i] = (ChessSquare) pieceType;
5505 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5507 piecesLeft[pieceType]--;
5516 AddOnePiece (Board board, int pieceType, int rank, int shade)
5517 // calculate where the next piece goes, (any empty square), and put it there
5521 i = seed % squaresLeft[shade];
5522 nrOfShuffles *= squaresLeft[shade];
5523 seed /= squaresLeft[shade];
5524 put(board, pieceType, rank, i, shade);
5528 AddTwoPieces (Board board, int pieceType, int rank)
5529 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5531 int i, n=squaresLeft[ANY], j=n-1, k;
5533 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5534 i = seed % k; // pick one
5537 while(i >= j) i -= j--;
5538 j = n - 1 - j; i += j;
5539 put(board, pieceType, rank, j, ANY);
5540 put(board, pieceType, rank, i, ANY);
5544 SetUpShuffle (Board board, int number)
5548 GetPositionNumber(); nrOfShuffles = 1;
5550 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5551 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5552 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5554 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5556 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5557 p = (int) board[0][i];
5558 if(p < (int) BlackPawn) piecesLeft[p] ++;
5559 board[0][i] = EmptySquare;
5562 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5563 // shuffles restricted to allow normal castling put KRR first
5564 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5565 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5566 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5567 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5568 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5569 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5570 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5571 put(board, WhiteRook, 0, 0, ANY);
5572 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5575 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5576 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5577 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5578 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5579 while(piecesLeft[p] >= 2) {
5580 AddOnePiece(board, p, 0, LITE);
5581 AddOnePiece(board, p, 0, DARK);
5583 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5586 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5587 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5588 // but we leave King and Rooks for last, to possibly obey FRC restriction
5589 if(p == (int)WhiteRook) continue;
5590 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5591 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5594 // now everything is placed, except perhaps King (Unicorn) and Rooks
5596 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5597 // Last King gets castling rights
5598 while(piecesLeft[(int)WhiteUnicorn]) {
5599 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5600 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5603 while(piecesLeft[(int)WhiteKing]) {
5604 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5605 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5610 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5611 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5614 // Only Rooks can be left; simply place them all
5615 while(piecesLeft[(int)WhiteRook]) {
5616 i = put(board, WhiteRook, 0, 0, ANY);
5617 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5620 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5622 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5625 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5626 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5629 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5633 SetCharTable (char *table, const char * map)
5634 /* [HGM] moved here from winboard.c because of its general usefulness */
5635 /* Basically a safe strcpy that uses the last character as King */
5637 int result = FALSE; int NrPieces;
5639 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5640 && NrPieces >= 12 && !(NrPieces&1)) {
5641 int i; /* [HGM] Accept even length from 12 to 34 */
5643 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5644 for( i=0; i<NrPieces/2-1; i++ ) {
5646 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5648 table[(int) WhiteKing] = map[NrPieces/2-1];
5649 table[(int) BlackKing] = map[NrPieces-1];
5658 Prelude (Board board)
5659 { // [HGM] superchess: random selection of exo-pieces
5660 int i, j, k; ChessSquare p;
5661 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5663 GetPositionNumber(); // use FRC position number
5665 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5666 SetCharTable(pieceToChar, appData.pieceToCharTable);
5667 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5668 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5671 j = seed%4; seed /= 4;
5672 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5673 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5674 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5675 j = seed%3 + (seed%3 >= j); seed /= 3;
5676 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5677 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5678 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5679 j = seed%3; seed /= 3;
5680 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5681 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5682 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5683 j = seed%2 + (seed%2 >= j); seed /= 2;
5684 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5685 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5686 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5687 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5688 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5689 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5690 put(board, exoPieces[0], 0, 0, ANY);
5691 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5695 InitPosition (int redraw)
5697 ChessSquare (* pieces)[BOARD_FILES];
5698 int i, j, pawnRow, overrule,
5699 oldx = gameInfo.boardWidth,
5700 oldy = gameInfo.boardHeight,
5701 oldh = gameInfo.holdingsWidth;
5704 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5706 /* [AS] Initialize pv info list [HGM] and game status */
5708 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5709 pvInfoList[i].depth = 0;
5710 boards[i][EP_STATUS] = EP_NONE;
5711 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5714 initialRulePlies = 0; /* 50-move counter start */
5716 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5717 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5721 /* [HGM] logic here is completely changed. In stead of full positions */
5722 /* the initialized data only consist of the two backranks. The switch */
5723 /* selects which one we will use, which is than copied to the Board */
5724 /* initialPosition, which for the rest is initialized by Pawns and */
5725 /* empty squares. This initial position is then copied to boards[0], */
5726 /* possibly after shuffling, so that it remains available. */
5728 gameInfo.holdingsWidth = 0; /* default board sizes */
5729 gameInfo.boardWidth = 8;
5730 gameInfo.boardHeight = 8;
5731 gameInfo.holdingsSize = 0;
5732 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5733 for(i=0; i<BOARD_FILES-2; i++)
5734 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5735 initialPosition[EP_STATUS] = EP_NONE;
5736 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5737 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5738 SetCharTable(pieceNickName, appData.pieceNickNames);
5739 else SetCharTable(pieceNickName, "............");
5742 switch (gameInfo.variant) {
5743 case VariantFischeRandom:
5744 shuffleOpenings = TRUE;
5747 case VariantShatranj:
5748 pieces = ShatranjArray;
5749 nrCastlingRights = 0;
5750 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5753 pieces = makrukArray;
5754 nrCastlingRights = 0;
5755 startedFromSetupPosition = TRUE;
5756 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5758 case VariantTwoKings:
5759 pieces = twoKingsArray;
5762 pieces = GrandArray;
5763 nrCastlingRights = 0;
5764 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5765 gameInfo.boardWidth = 10;
5766 gameInfo.boardHeight = 10;
5767 gameInfo.holdingsSize = 7;
5769 case VariantCapaRandom:
5770 shuffleOpenings = TRUE;
5771 case VariantCapablanca:
5772 pieces = CapablancaArray;
5773 gameInfo.boardWidth = 10;
5774 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5777 pieces = GothicArray;
5778 gameInfo.boardWidth = 10;
5779 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5782 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5783 gameInfo.holdingsSize = 7;
5786 pieces = JanusArray;
5787 gameInfo.boardWidth = 10;
5788 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5789 nrCastlingRights = 6;
5790 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5791 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5792 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5793 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5794 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5795 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5798 pieces = FalconArray;
5799 gameInfo.boardWidth = 10;
5800 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5802 case VariantXiangqi:
5803 pieces = XiangqiArray;
5804 gameInfo.boardWidth = 9;
5805 gameInfo.boardHeight = 10;
5806 nrCastlingRights = 0;
5807 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5810 pieces = ShogiArray;
5811 gameInfo.boardWidth = 9;
5812 gameInfo.boardHeight = 9;
5813 gameInfo.holdingsSize = 7;
5814 nrCastlingRights = 0;
5815 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5817 case VariantCourier:
5818 pieces = CourierArray;
5819 gameInfo.boardWidth = 12;
5820 nrCastlingRights = 0;
5821 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5823 case VariantKnightmate:
5824 pieces = KnightmateArray;
5825 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5827 case VariantSpartan:
5828 pieces = SpartanArray;
5829 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5832 pieces = fairyArray;
5833 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5836 pieces = GreatArray;
5837 gameInfo.boardWidth = 10;
5838 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5839 gameInfo.holdingsSize = 8;
5843 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5844 gameInfo.holdingsSize = 8;
5845 startedFromSetupPosition = TRUE;
5847 case VariantCrazyhouse:
5848 case VariantBughouse:
5850 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5851 gameInfo.holdingsSize = 5;
5853 case VariantWildCastle:
5855 /* !!?shuffle with kings guaranteed to be on d or e file */
5856 shuffleOpenings = 1;
5858 case VariantNoCastle:
5860 nrCastlingRights = 0;
5861 /* !!?unconstrained back-rank shuffle */
5862 shuffleOpenings = 1;
5867 if(appData.NrFiles >= 0) {
5868 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5869 gameInfo.boardWidth = appData.NrFiles;
5871 if(appData.NrRanks >= 0) {
5872 gameInfo.boardHeight = appData.NrRanks;
5874 if(appData.holdingsSize >= 0) {
5875 i = appData.holdingsSize;
5876 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5877 gameInfo.holdingsSize = i;
5879 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5880 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5881 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5883 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5884 if(pawnRow < 1) pawnRow = 1;
5885 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5887 /* User pieceToChar list overrules defaults */
5888 if(appData.pieceToCharTable != NULL)
5889 SetCharTable(pieceToChar, appData.pieceToCharTable);
5891 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5893 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5894 s = (ChessSquare) 0; /* account holding counts in guard band */
5895 for( i=0; i<BOARD_HEIGHT; i++ )
5896 initialPosition[i][j] = s;
5898 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5899 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5900 initialPosition[pawnRow][j] = WhitePawn;
5901 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5902 if(gameInfo.variant == VariantXiangqi) {
5904 initialPosition[pawnRow][j] =
5905 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5906 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5907 initialPosition[2][j] = WhiteCannon;
5908 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5912 if(gameInfo.variant == VariantGrand) {
5913 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5914 initialPosition[0][j] = WhiteRook;
5915 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5918 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5920 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5923 initialPosition[1][j] = WhiteBishop;
5924 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5926 initialPosition[1][j] = WhiteRook;
5927 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5930 if( nrCastlingRights == -1) {
5931 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5932 /* This sets default castling rights from none to normal corners */
5933 /* Variants with other castling rights must set them themselves above */
5934 nrCastlingRights = 6;
5936 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5937 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5938 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5939 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5940 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5941 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5944 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5945 if(gameInfo.variant == VariantGreat) { // promotion commoners
5946 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5947 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5948 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5949 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5951 if( gameInfo.variant == VariantSChess ) {
5952 initialPosition[1][0] = BlackMarshall;
5953 initialPosition[2][0] = BlackAngel;
5954 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5955 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5956 initialPosition[1][1] = initialPosition[2][1] =
5957 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5959 if (appData.debugMode) {
5960 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5962 if(shuffleOpenings) {
5963 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5964 startedFromSetupPosition = TRUE;
5966 if(startedFromPositionFile) {
5967 /* [HGM] loadPos: use PositionFile for every new game */
5968 CopyBoard(initialPosition, filePosition);
5969 for(i=0; i<nrCastlingRights; i++)
5970 initialRights[i] = filePosition[CASTLING][i];
5971 startedFromSetupPosition = TRUE;
5974 CopyBoard(boards[0], initialPosition);
5976 if(oldx != gameInfo.boardWidth ||
5977 oldy != gameInfo.boardHeight ||
5978 oldv != gameInfo.variant ||
5979 oldh != gameInfo.holdingsWidth
5981 InitDrawingSizes(-2 ,0);
5983 oldv = gameInfo.variant;
5985 DrawPosition(TRUE, boards[currentMove]);
5989 SendBoard (ChessProgramState *cps, int moveNum)
5991 char message[MSG_SIZ];
5993 if (cps->useSetboard) {
5994 char* fen = PositionToFEN(moveNum, cps->fenOverride);
5995 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
5996 SendToProgram(message, cps);
6001 int i, j, left=0, right=BOARD_WIDTH;
6002 /* Kludge to set black to move, avoiding the troublesome and now
6003 * deprecated "black" command.
6005 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6006 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6008 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6010 SendToProgram("edit\n", cps);
6011 SendToProgram("#\n", cps);
6012 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6013 bp = &boards[moveNum][i][left];
6014 for (j = left; j < right; j++, bp++) {
6015 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6016 if ((int) *bp < (int) BlackPawn) {
6017 if(j == BOARD_RGHT+1)
6018 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6019 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6020 if(message[0] == '+' || message[0] == '~') {
6021 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6022 PieceToChar((ChessSquare)(DEMOTED *bp)),
6025 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6026 message[1] = BOARD_RGHT - 1 - j + '1';
6027 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6029 SendToProgram(message, cps);
6034 SendToProgram("c\n", cps);
6035 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6036 bp = &boards[moveNum][i][left];
6037 for (j = left; j < right; j++, bp++) {
6038 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6039 if (((int) *bp != (int) EmptySquare)
6040 && ((int) *bp >= (int) BlackPawn)) {
6041 if(j == BOARD_LEFT-2)
6042 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6043 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6045 if(message[0] == '+' || message[0] == '~') {
6046 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6047 PieceToChar((ChessSquare)(DEMOTED *bp)),
6050 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6051 message[1] = BOARD_RGHT - 1 - j + '1';
6052 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6054 SendToProgram(message, cps);
6059 SendToProgram(".\n", cps);
6061 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6065 DefaultPromoChoice (int white)
6068 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6069 result = WhiteFerz; // no choice
6070 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6071 result= WhiteKing; // in Suicide Q is the last thing we want
6072 else if(gameInfo.variant == VariantSpartan)
6073 result = white ? WhiteQueen : WhiteAngel;
6074 else result = WhiteQueen;
6075 if(!white) result = WHITE_TO_BLACK result;
6079 static int autoQueen; // [HGM] oneclick
6082 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6084 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6085 /* [HGM] add Shogi promotions */
6086 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6091 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6092 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6094 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6095 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6098 piece = boards[currentMove][fromY][fromX];
6099 if(gameInfo.variant == VariantShogi) {
6100 promotionZoneSize = BOARD_HEIGHT/3;
6101 highestPromotingPiece = (int)WhiteFerz;
6102 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6103 promotionZoneSize = 3;
6106 // Treat Lance as Pawn when it is not representing Amazon
6107 if(gameInfo.variant != VariantSuper) {
6108 if(piece == WhiteLance) piece = WhitePawn; else
6109 if(piece == BlackLance) piece = BlackPawn;
6112 // next weed out all moves that do not touch the promotion zone at all
6113 if((int)piece >= BlackPawn) {
6114 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6116 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6118 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6119 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6122 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6124 // weed out mandatory Shogi promotions
6125 if(gameInfo.variant == VariantShogi) {
6126 if(piece >= BlackPawn) {
6127 if(toY == 0 && piece == BlackPawn ||
6128 toY == 0 && piece == BlackQueen ||
6129 toY <= 1 && piece == BlackKnight) {
6134 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6135 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6136 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6143 // weed out obviously illegal Pawn moves
6144 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6145 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6146 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6147 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6148 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6149 // note we are not allowed to test for valid (non-)capture, due to premove
6152 // we either have a choice what to promote to, or (in Shogi) whether to promote
6153 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6154 *promoChoice = PieceToChar(BlackFerz); // no choice
6157 // no sense asking what we must promote to if it is going to explode...
6158 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6159 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6162 // give caller the default choice even if we will not make it
6163 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6164 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6165 if( sweepSelect && gameInfo.variant != VariantGreat
6166 && gameInfo.variant != VariantGrand
6167 && gameInfo.variant != VariantSuper) return FALSE;
6168 if(autoQueen) return FALSE; // predetermined
6170 // suppress promotion popup on illegal moves that are not premoves
6171 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6172 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6173 if(appData.testLegality && !premove) {
6174 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6175 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6176 if(moveType != WhitePromotion && moveType != BlackPromotion)
6184 InPalace (int row, int column)
6185 { /* [HGM] for Xiangqi */
6186 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6187 column < (BOARD_WIDTH + 4)/2 &&
6188 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6193 PieceForSquare (int x, int y)
6195 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6198 return boards[currentMove][y][x];
6202 OKToStartUserMove (int x, int y)
6204 ChessSquare from_piece;
6207 if (matchMode) return FALSE;
6208 if (gameMode == EditPosition) return TRUE;
6210 if (x >= 0 && y >= 0)
6211 from_piece = boards[currentMove][y][x];
6213 from_piece = EmptySquare;
6215 if (from_piece == EmptySquare) return FALSE;
6217 white_piece = (int)from_piece >= (int)WhitePawn &&
6218 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6222 case TwoMachinesPlay:
6230 case MachinePlaysWhite:
6231 case IcsPlayingBlack:
6232 if (appData.zippyPlay) return FALSE;
6234 DisplayMoveError(_("You are playing Black"));
6239 case MachinePlaysBlack:
6240 case IcsPlayingWhite:
6241 if (appData.zippyPlay) return FALSE;
6243 DisplayMoveError(_("You are playing White"));
6248 case PlayFromGameFile:
6249 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6251 if (!white_piece && WhiteOnMove(currentMove)) {
6252 DisplayMoveError(_("It is White's turn"));
6255 if (white_piece && !WhiteOnMove(currentMove)) {
6256 DisplayMoveError(_("It is Black's turn"));
6259 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6260 /* Editing correspondence game history */
6261 /* Could disallow this or prompt for confirmation */
6266 case BeginningOfGame:
6267 if (appData.icsActive) return FALSE;
6268 if (!appData.noChessProgram) {
6270 DisplayMoveError(_("You are playing White"));
6277 if (!white_piece && WhiteOnMove(currentMove)) {
6278 DisplayMoveError(_("It is White's turn"));
6281 if (white_piece && !WhiteOnMove(currentMove)) {
6282 DisplayMoveError(_("It is Black's turn"));
6291 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6292 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6293 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6294 && gameMode != AnalyzeFile && gameMode != Training) {
6295 DisplayMoveError(_("Displayed position is not current"));
6302 OnlyMove (int *x, int *y, Boolean captures)
6304 DisambiguateClosure cl;
6305 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6307 case MachinePlaysBlack:
6308 case IcsPlayingWhite:
6309 case BeginningOfGame:
6310 if(!WhiteOnMove(currentMove)) return FALSE;
6312 case MachinePlaysWhite:
6313 case IcsPlayingBlack:
6314 if(WhiteOnMove(currentMove)) return FALSE;
6321 cl.pieceIn = EmptySquare;
6326 cl.promoCharIn = NULLCHAR;
6327 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6328 if( cl.kind == NormalMove ||
6329 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6330 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6331 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6338 if(cl.kind != ImpossibleMove) return FALSE;
6339 cl.pieceIn = EmptySquare;
6344 cl.promoCharIn = NULLCHAR;
6345 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6346 if( cl.kind == NormalMove ||
6347 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6348 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6349 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6354 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6360 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6361 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6362 int lastLoadGameUseList = FALSE;
6363 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6364 ChessMove lastLoadGameStart = EndOfFile;
6367 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6370 ChessSquare pdown, pup;
6372 /* Check if the user is playing in turn. This is complicated because we
6373 let the user "pick up" a piece before it is his turn. So the piece he
6374 tried to pick up may have been captured by the time he puts it down!
6375 Therefore we use the color the user is supposed to be playing in this
6376 test, not the color of the piece that is currently on the starting
6377 square---except in EditGame mode, where the user is playing both
6378 sides; fortunately there the capture race can't happen. (It can
6379 now happen in IcsExamining mode, but that's just too bad. The user
6380 will get a somewhat confusing message in that case.)
6385 case TwoMachinesPlay:
6389 /* We switched into a game mode where moves are not accepted,
6390 perhaps while the mouse button was down. */
6393 case MachinePlaysWhite:
6394 /* User is moving for Black */
6395 if (WhiteOnMove(currentMove)) {
6396 DisplayMoveError(_("It is White's turn"));
6401 case MachinePlaysBlack:
6402 /* User is moving for White */
6403 if (!WhiteOnMove(currentMove)) {
6404 DisplayMoveError(_("It is Black's turn"));
6409 case PlayFromGameFile:
6410 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6413 case BeginningOfGame:
6416 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6417 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6418 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6419 /* User is moving for Black */
6420 if (WhiteOnMove(currentMove)) {
6421 DisplayMoveError(_("It is White's turn"));
6425 /* User is moving for White */
6426 if (!WhiteOnMove(currentMove)) {
6427 DisplayMoveError(_("It is Black's turn"));
6433 case IcsPlayingBlack:
6434 /* User is moving for Black */
6435 if (WhiteOnMove(currentMove)) {
6436 if (!appData.premove) {
6437 DisplayMoveError(_("It is White's turn"));
6438 } else if (toX >= 0 && toY >= 0) {
6441 premoveFromX = fromX;
6442 premoveFromY = fromY;
6443 premovePromoChar = promoChar;
6445 if (appData.debugMode)
6446 fprintf(debugFP, "Got premove: fromX %d,"
6447 "fromY %d, toX %d, toY %d\n",
6448 fromX, fromY, toX, toY);
6454 case IcsPlayingWhite:
6455 /* User is moving for White */
6456 if (!WhiteOnMove(currentMove)) {
6457 if (!appData.premove) {
6458 DisplayMoveError(_("It is Black's turn"));
6459 } else if (toX >= 0 && toY >= 0) {
6462 premoveFromX = fromX;
6463 premoveFromY = fromY;
6464 premovePromoChar = promoChar;
6466 if (appData.debugMode)
6467 fprintf(debugFP, "Got premove: fromX %d,"
6468 "fromY %d, toX %d, toY %d\n",
6469 fromX, fromY, toX, toY);
6479 /* EditPosition, empty square, or different color piece;
6480 click-click move is possible */
6481 if (toX == -2 || toY == -2) {
6482 boards[0][fromY][fromX] = EmptySquare;
6483 DrawPosition(FALSE, boards[currentMove]);
6485 } else if (toX >= 0 && toY >= 0) {
6486 boards[0][toY][toX] = boards[0][fromY][fromX];
6487 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6488 if(boards[0][fromY][0] != EmptySquare) {
6489 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6490 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6493 if(fromX == BOARD_RGHT+1) {
6494 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6495 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6496 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6499 boards[0][fromY][fromX] = EmptySquare;
6500 DrawPosition(FALSE, boards[currentMove]);
6506 if(toX < 0 || toY < 0) return;
6507 pdown = boards[currentMove][fromY][fromX];
6508 pup = boards[currentMove][toY][toX];
6510 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6511 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6512 if( pup != EmptySquare ) return;
6513 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6514 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6515 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6516 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6517 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6518 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6519 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6523 /* [HGM] always test for legality, to get promotion info */
6524 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6525 fromY, fromX, toY, toX, promoChar);
6527 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6529 /* [HGM] but possibly ignore an IllegalMove result */
6530 if (appData.testLegality) {
6531 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6532 DisplayMoveError(_("Illegal move"));
6537 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6540 /* Common tail of UserMoveEvent and DropMenuEvent */
6542 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6546 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6547 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6548 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6549 if(WhiteOnMove(currentMove)) {
6550 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6552 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6556 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6557 move type in caller when we know the move is a legal promotion */
6558 if(moveType == NormalMove && promoChar)
6559 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6561 /* [HGM] <popupFix> The following if has been moved here from
6562 UserMoveEvent(). Because it seemed to belong here (why not allow
6563 piece drops in training games?), and because it can only be
6564 performed after it is known to what we promote. */
6565 if (gameMode == Training) {
6566 /* compare the move played on the board to the next move in the
6567 * game. If they match, display the move and the opponent's response.
6568 * If they don't match, display an error message.
6572 CopyBoard(testBoard, boards[currentMove]);
6573 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6575 if (CompareBoards(testBoard, boards[currentMove+1])) {
6576 ForwardInner(currentMove+1);
6578 /* Autoplay the opponent's response.
6579 * if appData.animate was TRUE when Training mode was entered,
6580 * the response will be animated.
6582 saveAnimate = appData.animate;
6583 appData.animate = animateTraining;
6584 ForwardInner(currentMove+1);
6585 appData.animate = saveAnimate;
6587 /* check for the end of the game */
6588 if (currentMove >= forwardMostMove) {
6589 gameMode = PlayFromGameFile;
6591 SetTrainingModeOff();
6592 DisplayInformation(_("End of game"));
6595 DisplayError(_("Incorrect move"), 0);
6600 /* Ok, now we know that the move is good, so we can kill
6601 the previous line in Analysis Mode */
6602 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6603 && currentMove < forwardMostMove) {
6604 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6605 else forwardMostMove = currentMove;
6608 /* If we need the chess program but it's dead, restart it */
6609 ResurrectChessProgram();
6611 /* A user move restarts a paused game*/
6615 thinkOutput[0] = NULLCHAR;
6617 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6619 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6620 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6624 if (gameMode == BeginningOfGame) {
6625 if (appData.noChessProgram) {
6626 gameMode = EditGame;
6630 gameMode = MachinePlaysBlack;
6633 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6635 if (first.sendName) {
6636 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6637 SendToProgram(buf, &first);
6644 /* Relay move to ICS or chess engine */
6645 if (appData.icsActive) {
6646 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6647 gameMode == IcsExamining) {
6648 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6649 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6651 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6653 // also send plain move, in case ICS does not understand atomic claims
6654 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6658 if (first.sendTime && (gameMode == BeginningOfGame ||
6659 gameMode == MachinePlaysWhite ||
6660 gameMode == MachinePlaysBlack)) {
6661 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6663 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6664 // [HGM] book: if program might be playing, let it use book
6665 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6666 first.maybeThinking = TRUE;
6667 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6668 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6669 SendBoard(&first, currentMove+1);
6670 } else SendMoveToProgram(forwardMostMove-1, &first);
6671 if (currentMove == cmailOldMove + 1) {
6672 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6676 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6680 if(appData.testLegality)
6681 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6687 if (WhiteOnMove(currentMove)) {
6688 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6690 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6694 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6699 case MachinePlaysBlack:
6700 case MachinePlaysWhite:
6701 /* disable certain menu options while machine is thinking */
6702 SetMachineThinkingEnables();
6709 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6710 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6712 if(bookHit) { // [HGM] book: simulate book reply
6713 static char bookMove[MSG_SIZ]; // a bit generous?
6715 programStats.nodes = programStats.depth = programStats.time =
6716 programStats.score = programStats.got_only_move = 0;
6717 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6719 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6720 strcat(bookMove, bookHit);
6721 HandleMachineMove(bookMove, &first);
6727 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6729 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6730 Markers *m = (Markers *) closure;
6731 if(rf == fromY && ff == fromX)
6732 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6733 || kind == WhiteCapturesEnPassant
6734 || kind == BlackCapturesEnPassant);
6735 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6739 MarkTargetSquares (int clear)
6742 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6743 !appData.testLegality || gameMode == EditPosition) return;
6745 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6748 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6749 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6750 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6752 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6755 DrawPosition(TRUE, NULL);
6759 Explode (Board board, int fromX, int fromY, int toX, int toY)
6761 if(gameInfo.variant == VariantAtomic &&
6762 (board[toY][toX] != EmptySquare || // capture?
6763 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6764 board[fromY][fromX] == BlackPawn )
6766 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6772 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6775 CanPromote (ChessSquare piece, int y)
6777 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6778 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6779 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6780 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6781 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6782 gameInfo.variant == VariantMakruk) return FALSE;
6783 return (piece == BlackPawn && y == 1 ||
6784 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6785 piece == BlackLance && y == 1 ||
6786 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6790 LeftClick (ClickType clickType, int xPix, int yPix)
6793 Boolean saveAnimate;
6794 static int second = 0, promotionChoice = 0, clearFlag = 0;
6795 char promoChoice = NULLCHAR;
6798 if(appData.seekGraph && appData.icsActive && loggedOn &&
6799 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6800 SeekGraphClick(clickType, xPix, yPix, 0);
6804 if (clickType == Press) ErrorPopDown();
6806 x = EventToSquare(xPix, BOARD_WIDTH);
6807 y = EventToSquare(yPix, BOARD_HEIGHT);
6808 if (!flipView && y >= 0) {
6809 y = BOARD_HEIGHT - 1 - y;
6811 if (flipView && x >= 0) {
6812 x = BOARD_WIDTH - 1 - x;
6815 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6816 defaultPromoChoice = promoSweep;
6817 promoSweep = EmptySquare; // terminate sweep
6818 promoDefaultAltered = TRUE;
6819 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6822 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6823 if(clickType == Release) return; // ignore upclick of click-click destination
6824 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6825 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6826 if(gameInfo.holdingsWidth &&
6827 (WhiteOnMove(currentMove)
6828 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6829 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6830 // click in right holdings, for determining promotion piece
6831 ChessSquare p = boards[currentMove][y][x];
6832 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6833 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6834 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6835 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6840 DrawPosition(FALSE, boards[currentMove]);
6844 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6845 if(clickType == Press
6846 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6847 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6848 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6851 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6852 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6854 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6855 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6856 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6857 defaultPromoChoice = DefaultPromoChoice(side);
6860 autoQueen = appData.alwaysPromoteToQueen;
6864 gatingPiece = EmptySquare;
6865 if (clickType != Press) {
6866 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6867 DragPieceEnd(xPix, yPix); dragging = 0;
6868 DrawPosition(FALSE, NULL);
6872 fromX = x; fromY = y; toX = toY = -1;
6873 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6874 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6875 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6877 if (OKToStartUserMove(fromX, fromY)) {
6879 MarkTargetSquares(0);
6880 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6881 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6882 promoSweep = defaultPromoChoice;
6883 selectFlag = 0; lastX = xPix; lastY = yPix;
6884 Sweep(0); // Pawn that is going to promote: preview promotion piece
6885 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6887 if (appData.highlightDragging) {
6888 SetHighlights(fromX, fromY, -1, -1);
6890 } else fromX = fromY = -1;
6896 if (clickType == Press && gameMode != EditPosition) {
6901 // ignore off-board to clicks
6902 if(y < 0 || x < 0) return;
6904 /* Check if clicking again on the same color piece */
6905 fromP = boards[currentMove][fromY][fromX];
6906 toP = boards[currentMove][y][x];
6907 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6908 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6909 WhitePawn <= toP && toP <= WhiteKing &&
6910 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6911 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6912 (BlackPawn <= fromP && fromP <= BlackKing &&
6913 BlackPawn <= toP && toP <= BlackKing &&
6914 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6915 !(fromP == BlackKing && toP == BlackRook && frc))) {
6916 /* Clicked again on same color piece -- changed his mind */
6917 second = (x == fromX && y == fromY);
6918 promoDefaultAltered = FALSE;
6919 MarkTargetSquares(1);
6920 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6921 if (appData.highlightDragging) {
6922 SetHighlights(x, y, -1, -1);
6926 if (OKToStartUserMove(x, y)) {
6927 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6928 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6929 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6930 gatingPiece = boards[currentMove][fromY][fromX];
6931 else gatingPiece = EmptySquare;
6933 fromY = y; dragging = 1;
6934 MarkTargetSquares(0);
6935 DragPieceBegin(xPix, yPix, FALSE);
6936 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6937 promoSweep = defaultPromoChoice;
6938 selectFlag = 0; lastX = xPix; lastY = yPix;
6939 Sweep(0); // Pawn that is going to promote: preview promotion piece
6943 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6946 // ignore clicks on holdings
6947 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6950 if (clickType == Release && x == fromX && y == fromY) {
6951 DragPieceEnd(xPix, yPix); dragging = 0;
6953 // a deferred attempt to click-click move an empty square on top of a piece
6954 boards[currentMove][y][x] = EmptySquare;
6956 DrawPosition(FALSE, boards[currentMove]);
6957 fromX = fromY = -1; clearFlag = 0;
6960 if (appData.animateDragging) {
6961 /* Undo animation damage if any */
6962 DrawPosition(FALSE, NULL);
6965 /* Second up/down in same square; just abort move */
6968 gatingPiece = EmptySquare;
6971 ClearPremoveHighlights();
6973 /* First upclick in same square; start click-click mode */
6974 SetHighlights(x, y, -1, -1);
6981 /* we now have a different from- and (possibly off-board) to-square */
6982 /* Completed move */
6985 saveAnimate = appData.animate;
6986 MarkTargetSquares(1);
6987 if (clickType == Press) {
6988 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
6989 // must be Edit Position mode with empty-square selected
6990 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
6991 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
6994 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
6995 ChessSquare piece = boards[currentMove][fromY][fromX];
6996 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
6997 promoSweep = defaultPromoChoice;
6998 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
6999 selectFlag = 0; lastX = xPix; lastY = yPix;
7000 Sweep(0); // Pawn that is going to promote: preview promotion piece
7001 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7002 DrawPosition(FALSE, boards[currentMove]);
7005 /* Finish clickclick move */
7006 if (appData.animate || appData.highlightLastMove) {
7007 SetHighlights(fromX, fromY, toX, toY);
7012 /* Finish drag move */
7013 if (appData.highlightLastMove) {
7014 SetHighlights(fromX, fromY, toX, toY);
7018 DragPieceEnd(xPix, yPix); dragging = 0;
7019 /* Don't animate move and drag both */
7020 appData.animate = FALSE;
7023 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7024 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7025 ChessSquare piece = boards[currentMove][fromY][fromX];
7026 if(gameMode == EditPosition && piece != EmptySquare &&
7027 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7030 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7031 n = PieceToNumber(piece - (int)BlackPawn);
7032 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7033 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7034 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7036 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7037 n = PieceToNumber(piece);
7038 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7039 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7040 boards[currentMove][n][BOARD_WIDTH-2]++;
7042 boards[currentMove][fromY][fromX] = EmptySquare;
7046 DrawPosition(TRUE, boards[currentMove]);
7050 // off-board moves should not be highlighted
7051 if(x < 0 || y < 0) ClearHighlights();
7053 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7055 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7056 SetHighlights(fromX, fromY, toX, toY);
7057 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7058 // [HGM] super: promotion to captured piece selected from holdings
7059 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7060 promotionChoice = TRUE;
7061 // kludge follows to temporarily execute move on display, without promoting yet
7062 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7063 boards[currentMove][toY][toX] = p;
7064 DrawPosition(FALSE, boards[currentMove]);
7065 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7066 boards[currentMove][toY][toX] = q;
7067 DisplayMessage("Click in holdings to choose piece", "");
7072 int oldMove = currentMove;
7073 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7074 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7075 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7076 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7077 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7078 DrawPosition(TRUE, boards[currentMove]);
7081 appData.animate = saveAnimate;
7082 if (appData.animate || appData.animateDragging) {
7083 /* Undo animation damage if needed */
7084 DrawPosition(FALSE, NULL);
7089 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7090 { // front-end-free part taken out of PieceMenuPopup
7091 int whichMenu; int xSqr, ySqr;
7093 if(seekGraphUp) { // [HGM] seekgraph
7094 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7095 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7099 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7100 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7101 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7102 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7103 if(action == Press) {
7104 originalFlip = flipView;
7105 flipView = !flipView; // temporarily flip board to see game from partners perspective
7106 DrawPosition(TRUE, partnerBoard);
7107 DisplayMessage(partnerStatus, "");
7109 } else if(action == Release) {
7110 flipView = originalFlip;
7111 DrawPosition(TRUE, boards[currentMove]);
7117 xSqr = EventToSquare(x, BOARD_WIDTH);
7118 ySqr = EventToSquare(y, BOARD_HEIGHT);
7119 if (action == Release) {
7120 if(pieceSweep != EmptySquare) {
7121 EditPositionMenuEvent(pieceSweep, toX, toY);
7122 pieceSweep = EmptySquare;
7123 } else UnLoadPV(); // [HGM] pv
7125 if (action != Press) return -2; // return code to be ignored
7128 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7130 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7131 if (xSqr < 0 || ySqr < 0) return -1;
7132 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7133 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7134 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7135 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7139 if(!appData.icsEngineAnalyze) return -1;
7140 case IcsPlayingWhite:
7141 case IcsPlayingBlack:
7142 if(!appData.zippyPlay) goto noZip;
7145 case MachinePlaysWhite:
7146 case MachinePlaysBlack:
7147 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7148 if (!appData.dropMenu) {
7150 return 2; // flag front-end to grab mouse events
7152 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7153 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7156 if (xSqr < 0 || ySqr < 0) return -1;
7157 if (!appData.dropMenu || appData.testLegality &&
7158 gameInfo.variant != VariantBughouse &&
7159 gameInfo.variant != VariantCrazyhouse) return -1;
7160 whichMenu = 1; // drop menu
7166 if (((*fromX = xSqr) < 0) ||
7167 ((*fromY = ySqr) < 0)) {
7168 *fromX = *fromY = -1;
7172 *fromX = BOARD_WIDTH - 1 - *fromX;
7174 *fromY = BOARD_HEIGHT - 1 - *fromY;
7180 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7182 // char * hint = lastHint;
7183 FrontEndProgramStats stats;
7185 stats.which = cps == &first ? 0 : 1;
7186 stats.depth = cpstats->depth;
7187 stats.nodes = cpstats->nodes;
7188 stats.score = cpstats->score;
7189 stats.time = cpstats->time;
7190 stats.pv = cpstats->movelist;
7191 stats.hint = lastHint;
7192 stats.an_move_index = 0;
7193 stats.an_move_count = 0;
7195 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7196 stats.hint = cpstats->move_name;
7197 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7198 stats.an_move_count = cpstats->nr_moves;
7201 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
7203 SetProgramStats( &stats );
7207 ClearEngineOutputPane (int which)
7209 static FrontEndProgramStats dummyStats;
7210 dummyStats.which = which;
7211 dummyStats.pv = "#";
7212 SetProgramStats( &dummyStats );
7215 #define MAXPLAYERS 500
7218 TourneyStandings (int display)
7220 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7221 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7222 char result, *p, *names[MAXPLAYERS];
7224 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7225 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7226 names[0] = p = strdup(appData.participants);
7227 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7229 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7231 while(result = appData.results[nr]) {
7232 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7233 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7234 wScore = bScore = 0;
7236 case '+': wScore = 2; break;
7237 case '-': bScore = 2; break;
7238 case '=': wScore = bScore = 1; break;
7240 case '*': return strdup("busy"); // tourney not finished
7248 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7249 for(w=0; w<nPlayers; w++) {
7251 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7252 ranking[w] = b; points[w] = bScore; score[b] = -2;
7254 p = malloc(nPlayers*34+1);
7255 for(w=0; w<nPlayers && w<display; w++)
7256 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7262 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7263 { // count all piece types
7265 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7266 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7267 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7270 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7271 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7272 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7273 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7274 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7275 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7280 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7282 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7283 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7285 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7286 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7287 if(myPawns == 2 && nMine == 3) // KPP
7288 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7289 if(myPawns == 1 && nMine == 2) // KP
7290 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7291 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7292 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7293 if(myPawns) return FALSE;
7294 if(pCnt[WhiteRook+side])
7295 return pCnt[BlackRook-side] ||
7296 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7297 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7298 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7299 if(pCnt[WhiteCannon+side]) {
7300 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7301 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7303 if(pCnt[WhiteKnight+side])
7304 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7309 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7311 VariantClass v = gameInfo.variant;
7313 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7314 if(v == VariantShatranj) return TRUE; // always winnable through baring
7315 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7316 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7318 if(v == VariantXiangqi) {
7319 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7321 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7322 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7323 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7324 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7325 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7326 if(stale) // we have at least one last-rank P plus perhaps C
7327 return majors // KPKX
7328 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7330 return pCnt[WhiteFerz+side] // KCAK
7331 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7332 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7333 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7335 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7336 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7338 if(nMine == 1) return FALSE; // bare King
7339 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
7340 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7341 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7342 // by now we have King + 1 piece (or multiple Bishops on the same color)
7343 if(pCnt[WhiteKnight+side])
7344 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7345 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7346 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7348 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7349 if(pCnt[WhiteAlfil+side])
7350 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7351 if(pCnt[WhiteWazir+side])
7352 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7359 CompareWithRights (Board b1, Board b2)
7362 if(!CompareBoards(b1, b2)) return FALSE;
7363 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7364 /* compare castling rights */
7365 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7366 rights++; /* King lost rights, while rook still had them */
7367 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7368 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7369 rights++; /* but at least one rook lost them */
7371 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7373 if( b1[CASTLING][5] != NoRights ) {
7374 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7381 Adjudicate (ChessProgramState *cps)
7382 { // [HGM] some adjudications useful with buggy engines
7383 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7384 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7385 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7386 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7387 int k, count = 0; static int bare = 1;
7388 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7389 Boolean canAdjudicate = !appData.icsActive;
7391 // most tests only when we understand the game, i.e. legality-checking on
7392 if( appData.testLegality )
7393 { /* [HGM] Some more adjudications for obstinate engines */
7394 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7395 static int moveCount = 6;
7397 char *reason = NULL;
7399 /* Count what is on board. */
7400 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7402 /* Some material-based adjudications that have to be made before stalemate test */
7403 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7404 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7405 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7406 if(canAdjudicate && appData.checkMates) {
7408 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7409 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7410 "Xboard adjudication: King destroyed", GE_XBOARD );
7415 /* Bare King in Shatranj (loses) or Losers (wins) */
7416 if( nrW == 1 || nrB == 1) {
7417 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7418 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7419 if(canAdjudicate && appData.checkMates) {
7421 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7422 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7423 "Xboard adjudication: Bare king", GE_XBOARD );
7427 if( gameInfo.variant == VariantShatranj && --bare < 0)
7429 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7430 if(canAdjudicate && appData.checkMates) {
7431 /* but only adjudicate if adjudication enabled */
7433 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7434 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7435 "Xboard adjudication: Bare king", GE_XBOARD );
7442 // don't wait for engine to announce game end if we can judge ourselves
7443 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7445 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7446 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7447 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7448 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7451 reason = "Xboard adjudication: 3rd check";
7452 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7462 reason = "Xboard adjudication: Stalemate";
7463 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7464 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7465 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7466 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7467 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7468 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7469 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7470 EP_CHECKMATE : EP_WINS);
7471 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7472 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7476 reason = "Xboard adjudication: Checkmate";
7477 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7481 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7483 result = GameIsDrawn; break;
7485 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7487 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7491 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7493 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7494 GameEnds( result, reason, GE_XBOARD );
7498 /* Next absolutely insufficient mating material. */
7499 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7500 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7501 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7503 /* always flag draws, for judging claims */
7504 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7506 if(canAdjudicate && appData.materialDraws) {
7507 /* but only adjudicate them if adjudication enabled */
7508 if(engineOpponent) {
7509 SendToProgram("force\n", engineOpponent); // suppress reply
7510 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7512 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7517 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7518 if(gameInfo.variant == VariantXiangqi ?
7519 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7521 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7522 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7523 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7524 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7526 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7527 { /* if the first 3 moves do not show a tactical win, declare draw */
7528 if(engineOpponent) {
7529 SendToProgram("force\n", engineOpponent); // suppress reply
7530 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7532 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7535 } else moveCount = 6;
7537 if (appData.debugMode) { int i;
7538 fprintf(debugFP, "repeat test fmm=%d bmm=%d ep=%d, reps=%d\n",
7539 forwardMostMove, backwardMostMove, boards[backwardMostMove][EP_STATUS],
7540 appData.drawRepeats);
7541 for( i=forwardMostMove; i>=backwardMostMove; i-- )
7542 fprintf(debugFP, "%d ep=%d\n", i, (signed char)boards[i][EP_STATUS]);
7546 // Repetition draws and 50-move rule can be applied independently of legality testing
7548 /* Check for rep-draws */
7550 for(k = forwardMostMove-2;
7551 k>=backwardMostMove && k>=forwardMostMove-100 &&
7552 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7553 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7556 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7557 /* compare castling rights */
7558 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7559 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7560 rights++; /* King lost rights, while rook still had them */
7561 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7562 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7563 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7564 rights++; /* but at least one rook lost them */
7566 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7567 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7569 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7570 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7571 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7574 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7575 && appData.drawRepeats > 1) {
7576 /* adjudicate after user-specified nr of repeats */
7577 int result = GameIsDrawn;
7578 char *details = "XBoard adjudication: repetition draw";
7579 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7580 // [HGM] xiangqi: check for forbidden perpetuals
7581 int m, ourPerpetual = 1, hisPerpetual = 1;
7582 for(m=forwardMostMove; m>k; m-=2) {
7583 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7584 ourPerpetual = 0; // the current mover did not always check
7585 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7586 hisPerpetual = 0; // the opponent did not always check
7588 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7589 ourPerpetual, hisPerpetual);
7590 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7591 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7592 details = "Xboard adjudication: perpetual checking";
7594 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7595 break; // (or we would have caught him before). Abort repetition-checking loop.
7597 // Now check for perpetual chases
7598 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7599 hisPerpetual = PerpetualChase(k, forwardMostMove);
7600 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7601 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7602 static char resdet[MSG_SIZ];
7603 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7605 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7607 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7608 break; // Abort repetition-checking loop.
7610 // if neither of us is checking or chasing all the time, or both are, it is draw
7612 if(engineOpponent) {
7613 SendToProgram("force\n", engineOpponent); // suppress reply
7614 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7616 GameEnds( result, details, GE_XBOARD );
7619 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7620 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7624 /* Now we test for 50-move draws. Determine ply count */
7625 count = forwardMostMove;
7626 /* look for last irreversble move */
7627 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7629 /* if we hit starting position, add initial plies */
7630 if( count == backwardMostMove )
7631 count -= initialRulePlies;
7632 count = forwardMostMove - count;
7633 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7634 // adjust reversible move counter for checks in Xiangqi
7635 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7636 if(i < backwardMostMove) i = backwardMostMove;
7637 while(i <= forwardMostMove) {
7638 lastCheck = inCheck; // check evasion does not count
7639 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7640 if(inCheck || lastCheck) count--; // check does not count
7645 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7646 /* this is used to judge if draw claims are legal */
7647 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7648 if(engineOpponent) {
7649 SendToProgram("force\n", engineOpponent); // suppress reply
7650 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7652 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7656 /* if draw offer is pending, treat it as a draw claim
7657 * when draw condition present, to allow engines a way to
7658 * claim draws before making their move to avoid a race
7659 * condition occurring after their move
7661 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7663 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7664 p = "Draw claim: 50-move rule";
7665 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7666 p = "Draw claim: 3-fold repetition";
7667 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7668 p = "Draw claim: insufficient mating material";
7669 if( p != NULL && canAdjudicate) {
7670 if(engineOpponent) {
7671 SendToProgram("force\n", engineOpponent); // suppress reply
7672 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7674 GameEnds( GameIsDrawn, p, GE_XBOARD );
7679 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7680 if(engineOpponent) {
7681 SendToProgram("force\n", engineOpponent); // suppress reply
7682 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7684 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7691 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7692 { // [HGM] book: this routine intercepts moves to simulate book replies
7693 char *bookHit = NULL;
7695 //first determine if the incoming move brings opponent into his book
7696 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7697 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7698 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7699 if(bookHit != NULL && !cps->bookSuspend) {
7700 // make sure opponent is not going to reply after receiving move to book position
7701 SendToProgram("force\n", cps);
7702 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7704 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7705 // now arrange restart after book miss
7707 // after a book hit we never send 'go', and the code after the call to this routine
7708 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7709 char buf[MSG_SIZ], *move = bookHit;
7711 int fromX, fromY, toX, toY;
7715 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7716 &fromX, &fromY, &toX, &toY, &promoChar)) {
7717 (void) CoordsToAlgebraic(boards[forwardMostMove],
7718 PosFlags(forwardMostMove),
7719 fromY, fromX, toY, toX, promoChar, move);
7721 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7725 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7726 SendToProgram(buf, cps);
7727 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7728 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7729 SendToProgram("go\n", cps);
7730 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7731 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7732 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7733 SendToProgram("go\n", cps);
7734 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7736 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7740 ChessProgramState *savedState;
7742 DeferredBookMove (void)
7744 if(savedState->lastPing != savedState->lastPong)
7745 ScheduleDelayedEvent(DeferredBookMove, 10);
7747 HandleMachineMove(savedMessage, savedState);
7750 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7753 HandleMachineMove (char *message, ChessProgramState *cps)
7755 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7756 char realname[MSG_SIZ];
7757 int fromX, fromY, toX, toY;
7764 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7765 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7766 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7767 DisplayError(_("Invalid pairing from pairing engine"), 0);
7770 pairingReceived = 1;
7772 return; // Skim the pairing messages here.
7777 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7779 * Kludge to ignore BEL characters
7781 while (*message == '\007') message++;
7784 * [HGM] engine debug message: ignore lines starting with '#' character
7786 if(cps->debug && *message == '#') return;
7789 * Look for book output
7791 if (cps == &first && bookRequested) {
7792 if (message[0] == '\t' || message[0] == ' ') {
7793 /* Part of the book output is here; append it */
7794 strcat(bookOutput, message);
7795 strcat(bookOutput, " \n");
7797 } else if (bookOutput[0] != NULLCHAR) {
7798 /* All of book output has arrived; display it */
7799 char *p = bookOutput;
7800 while (*p != NULLCHAR) {
7801 if (*p == '\t') *p = ' ';
7804 DisplayInformation(bookOutput);
7805 bookRequested = FALSE;
7806 /* Fall through to parse the current output */
7811 * Look for machine move.
7813 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7814 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7816 /* This method is only useful on engines that support ping */
7817 if (cps->lastPing != cps->lastPong) {
7818 if (gameMode == BeginningOfGame) {
7819 /* Extra move from before last new; ignore */
7820 if (appData.debugMode) {
7821 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7824 if (appData.debugMode) {
7825 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7826 cps->which, gameMode);
7829 SendToProgram("undo\n", cps);
7835 case BeginningOfGame:
7836 /* Extra move from before last reset; ignore */
7837 if (appData.debugMode) {
7838 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7845 /* Extra move after we tried to stop. The mode test is
7846 not a reliable way of detecting this problem, but it's
7847 the best we can do on engines that don't support ping.
7849 if (appData.debugMode) {
7850 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7851 cps->which, gameMode);
7853 SendToProgram("undo\n", cps);
7856 case MachinePlaysWhite:
7857 case IcsPlayingWhite:
7858 machineWhite = TRUE;
7861 case MachinePlaysBlack:
7862 case IcsPlayingBlack:
7863 machineWhite = FALSE;
7866 case TwoMachinesPlay:
7867 machineWhite = (cps->twoMachinesColor[0] == 'w');
7870 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7871 if (appData.debugMode) {
7873 "Ignoring move out of turn by %s, gameMode %d"
7874 ", forwardMost %d\n",
7875 cps->which, gameMode, forwardMostMove);
7880 if (appData.debugMode) { int f = forwardMostMove;
7881 fprintf(debugFP, "machine move %d, castling = %d %d %d %d %d %d\n", f,
7882 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
7883 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
7885 if(cps->alphaRank) AlphaRank(machineMove, 4);
7886 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7887 &fromX, &fromY, &toX, &toY, &promoChar)) {
7888 /* Machine move could not be parsed; ignore it. */
7889 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7890 machineMove, _(cps->which));
7891 DisplayError(buf1, 0);
7892 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7893 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7894 if (gameMode == TwoMachinesPlay) {
7895 GameEnds(machineWhite ? BlackWins : WhiteWins,
7901 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7902 /* So we have to redo legality test with true e.p. status here, */
7903 /* to make sure an illegal e.p. capture does not slip through, */
7904 /* to cause a forfeit on a justified illegal-move complaint */
7905 /* of the opponent. */
7906 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7908 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7909 fromY, fromX, toY, toX, promoChar);
7910 if (appData.debugMode) {
7912 for(i=0; i< nrCastlingRights; i++) fprintf(debugFP, "(%d,%d) ",
7913 boards[forwardMostMove][CASTLING][i], castlingRank[i]);
7914 fprintf(debugFP, "castling rights\n");
7916 if(moveType == IllegalMove) {
7917 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7918 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7919 GameEnds(machineWhite ? BlackWins : WhiteWins,
7922 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7923 /* [HGM] Kludge to handle engines that send FRC-style castling
7924 when they shouldn't (like TSCP-Gothic) */
7926 case WhiteASideCastleFR:
7927 case BlackASideCastleFR:
7929 currentMoveString[2]++;
7931 case WhiteHSideCastleFR:
7932 case BlackHSideCastleFR:
7934 currentMoveString[2]--;
7936 default: ; // nothing to do, but suppresses warning of pedantic compilers
7939 hintRequested = FALSE;
7940 lastHint[0] = NULLCHAR;
7941 bookRequested = FALSE;
7942 /* Program may be pondering now */
7943 cps->maybeThinking = TRUE;
7944 if (cps->sendTime == 2) cps->sendTime = 1;
7945 if (cps->offeredDraw) cps->offeredDraw--;
7947 /* [AS] Save move info*/
7948 pvInfoList[ forwardMostMove ].score = programStats.score;
7949 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7950 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7952 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7954 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7955 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7958 while( count < adjudicateLossPlies ) {
7959 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7962 score = -score; /* Flip score for winning side */
7965 if( score > adjudicateLossThreshold ) {
7972 if( count >= adjudicateLossPlies ) {
7973 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7975 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7976 "Xboard adjudication",
7983 if(Adjudicate(cps)) {
7984 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7985 return; // [HGM] adjudicate: for all automatic game ends
7989 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7991 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7992 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7994 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7996 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7998 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
7999 char buf[3*MSG_SIZ];
8001 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8002 programStats.score / 100.,
8004 programStats.time / 100.,
8005 (unsigned int)programStats.nodes,
8006 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8007 programStats.movelist);
8009 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8014 /* [AS] Clear stats for next move */
8015 ClearProgramStats();
8016 thinkOutput[0] = NULLCHAR;
8017 hiddenThinkOutputState = 0;
8020 if (gameMode == TwoMachinesPlay) {
8021 /* [HGM] relaying draw offers moved to after reception of move */
8022 /* and interpreting offer as claim if it brings draw condition */
8023 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8024 SendToProgram("draw\n", cps->other);
8026 if (cps->other->sendTime) {
8027 SendTimeRemaining(cps->other,
8028 cps->other->twoMachinesColor[0] == 'w');
8030 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8031 if (firstMove && !bookHit) {
8033 if (cps->other->useColors) {
8034 SendToProgram(cps->other->twoMachinesColor, cps->other);
8036 SendToProgram("go\n", cps->other);
8038 cps->other->maybeThinking = TRUE;
8041 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8043 if (!pausing && appData.ringBellAfterMoves) {
8048 * Reenable menu items that were disabled while
8049 * machine was thinking
8051 if (gameMode != TwoMachinesPlay)
8052 SetUserThinkingEnables();
8054 // [HGM] book: after book hit opponent has received move and is now in force mode
8055 // force the book reply into it, and then fake that it outputted this move by jumping
8056 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8058 static char bookMove[MSG_SIZ]; // a bit generous?
8060 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8061 strcat(bookMove, bookHit);
8064 programStats.nodes = programStats.depth = programStats.time =
8065 programStats.score = programStats.got_only_move = 0;
8066 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8068 if(cps->lastPing != cps->lastPong) {
8069 savedMessage = message; // args for deferred call
8071 ScheduleDelayedEvent(DeferredBookMove, 10);
8080 /* Set special modes for chess engines. Later something general
8081 * could be added here; for now there is just one kludge feature,
8082 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8083 * when "xboard" is given as an interactive command.
8085 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8086 cps->useSigint = FALSE;
8087 cps->useSigterm = FALSE;
8089 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8090 ParseFeatures(message+8, cps);
8091 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8094 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8095 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8096 int dummy, s=6; char buf[MSG_SIZ];
8097 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8098 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8099 if(startedFromSetupPosition) return;
8100 ParseFEN(boards[0], &dummy, message+s);
8101 DrawPosition(TRUE, boards[0]);
8102 startedFromSetupPosition = TRUE;
8105 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8106 * want this, I was asked to put it in, and obliged.
8108 if (!strncmp(message, "setboard ", 9)) {
8109 Board initial_position;
8111 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8113 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8114 DisplayError(_("Bad FEN received from engine"), 0);
8118 CopyBoard(boards[0], initial_position);
8119 initialRulePlies = FENrulePlies;
8120 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8121 else gameMode = MachinePlaysBlack;
8122 DrawPosition(FALSE, boards[currentMove]);
8128 * Look for communication commands
8130 if (!strncmp(message, "telluser ", 9)) {
8131 if(message[9] == '\\' && message[10] == '\\')
8132 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8134 DisplayNote(message + 9);
8137 if (!strncmp(message, "tellusererror ", 14)) {
8139 if(message[14] == '\\' && message[15] == '\\')
8140 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8142 DisplayError(message + 14, 0);
8145 if (!strncmp(message, "tellopponent ", 13)) {
8146 if (appData.icsActive) {
8148 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8152 DisplayNote(message + 13);
8156 if (!strncmp(message, "tellothers ", 11)) {
8157 if (appData.icsActive) {
8159 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8165 if (!strncmp(message, "tellall ", 8)) {
8166 if (appData.icsActive) {
8168 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8172 DisplayNote(message + 8);
8176 if (strncmp(message, "warning", 7) == 0) {
8177 /* Undocumented feature, use tellusererror in new code */
8178 DisplayError(message, 0);
8181 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8182 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8183 strcat(realname, " query");
8184 AskQuestion(realname, buf2, buf1, cps->pr);
8187 /* Commands from the engine directly to ICS. We don't allow these to be
8188 * sent until we are logged on. Crafty kibitzes have been known to
8189 * interfere with the login process.
8192 if (!strncmp(message, "tellics ", 8)) {
8193 SendToICS(message + 8);
8197 if (!strncmp(message, "tellicsnoalias ", 15)) {
8198 SendToICS(ics_prefix);
8199 SendToICS(message + 15);
8203 /* The following are for backward compatibility only */
8204 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8205 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8206 SendToICS(ics_prefix);
8212 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8216 * If the move is illegal, cancel it and redraw the board.
8217 * Also deal with other error cases. Matching is rather loose
8218 * here to accommodate engines written before the spec.
8220 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8221 strncmp(message, "Error", 5) == 0) {
8222 if (StrStr(message, "name") ||
8223 StrStr(message, "rating") || StrStr(message, "?") ||
8224 StrStr(message, "result") || StrStr(message, "board") ||
8225 StrStr(message, "bk") || StrStr(message, "computer") ||
8226 StrStr(message, "variant") || StrStr(message, "hint") ||
8227 StrStr(message, "random") || StrStr(message, "depth") ||
8228 StrStr(message, "accepted")) {
8231 if (StrStr(message, "protover")) {
8232 /* Program is responding to input, so it's apparently done
8233 initializing, and this error message indicates it is
8234 protocol version 1. So we don't need to wait any longer
8235 for it to initialize and send feature commands. */
8236 FeatureDone(cps, 1);
8237 cps->protocolVersion = 1;
8240 cps->maybeThinking = FALSE;
8242 if (StrStr(message, "draw")) {
8243 /* Program doesn't have "draw" command */
8244 cps->sendDrawOffers = 0;
8247 if (cps->sendTime != 1 &&
8248 (StrStr(message, "time") || StrStr(message, "otim"))) {
8249 /* Program apparently doesn't have "time" or "otim" command */
8253 if (StrStr(message, "analyze")) {
8254 cps->analysisSupport = FALSE;
8255 cps->analyzing = FALSE;
8256 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8257 EditGameEvent(); // [HGM] try to preserve loaded game
8258 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8259 DisplayError(buf2, 0);
8262 if (StrStr(message, "(no matching move)st")) {
8263 /* Special kludge for GNU Chess 4 only */
8264 cps->stKludge = TRUE;
8265 SendTimeControl(cps, movesPerSession, timeControl,
8266 timeIncrement, appData.searchDepth,
8270 if (StrStr(message, "(no matching move)sd")) {
8271 /* Special kludge for GNU Chess 4 only */
8272 cps->sdKludge = TRUE;
8273 SendTimeControl(cps, movesPerSession, timeControl,
8274 timeIncrement, appData.searchDepth,
8278 if (!StrStr(message, "llegal")) {
8281 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8282 gameMode == IcsIdle) return;
8283 if (forwardMostMove <= backwardMostMove) return;
8284 if (pausing) PauseEvent();
8285 if(appData.forceIllegal) {
8286 // [HGM] illegal: machine refused move; force position after move into it
8287 SendToProgram("force\n", cps);
8288 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8289 // we have a real problem now, as SendBoard will use the a2a3 kludge
8290 // when black is to move, while there might be nothing on a2 or black
8291 // might already have the move. So send the board as if white has the move.
8292 // But first we must change the stm of the engine, as it refused the last move
8293 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8294 if(WhiteOnMove(forwardMostMove)) {
8295 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8296 SendBoard(cps, forwardMostMove); // kludgeless board
8298 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8299 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8300 SendBoard(cps, forwardMostMove+1); // kludgeless board
8302 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8303 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8304 gameMode == TwoMachinesPlay)
8305 SendToProgram("go\n", cps);
8308 if (gameMode == PlayFromGameFile) {
8309 /* Stop reading this game file */
8310 gameMode = EditGame;
8313 /* [HGM] illegal-move claim should forfeit game when Xboard */
8314 /* only passes fully legal moves */
8315 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8316 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8317 "False illegal-move claim", GE_XBOARD );
8318 return; // do not take back move we tested as valid
8320 currentMove = forwardMostMove-1;
8321 DisplayMove(currentMove-1); /* before DisplayMoveError */
8322 SwitchClocks(forwardMostMove-1); // [HGM] race
8323 DisplayBothClocks();
8324 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8325 parseList[currentMove], _(cps->which));
8326 DisplayMoveError(buf1);
8327 DrawPosition(FALSE, boards[currentMove]);
8329 SetUserThinkingEnables();
8332 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8333 /* Program has a broken "time" command that
8334 outputs a string not ending in newline.
8340 * If chess program startup fails, exit with an error message.
8341 * Attempts to recover here are futile.
8343 if ((StrStr(message, "unknown host") != NULL)
8344 || (StrStr(message, "No remote directory") != NULL)
8345 || (StrStr(message, "not found") != NULL)
8346 || (StrStr(message, "No such file") != NULL)
8347 || (StrStr(message, "can't alloc") != NULL)
8348 || (StrStr(message, "Permission denied") != NULL)) {
8350 cps->maybeThinking = FALSE;
8351 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8352 _(cps->which), cps->program, cps->host, message);
8353 RemoveInputSource(cps->isr);
8354 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8355 if(cps == &first) appData.noChessProgram = TRUE;
8356 DisplayError(buf1, 0);
8362 * Look for hint output
8364 if (sscanf(message, "Hint: %s", buf1) == 1) {
8365 if (cps == &first && hintRequested) {
8366 hintRequested = FALSE;
8367 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8368 &fromX, &fromY, &toX, &toY, &promoChar)) {
8369 (void) CoordsToAlgebraic(boards[forwardMostMove],
8370 PosFlags(forwardMostMove),
8371 fromY, fromX, toY, toX, promoChar, buf1);
8372 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8373 DisplayInformation(buf2);
8375 /* Hint move could not be parsed!? */
8376 snprintf(buf2, sizeof(buf2),
8377 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8378 buf1, _(cps->which));
8379 DisplayError(buf2, 0);
8382 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8388 * Ignore other messages if game is not in progress
8390 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8391 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8394 * look for win, lose, draw, or draw offer
8396 if (strncmp(message, "1-0", 3) == 0) {
8397 char *p, *q, *r = "";
8398 p = strchr(message, '{');
8406 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8408 } else if (strncmp(message, "0-1", 3) == 0) {
8409 char *p, *q, *r = "";
8410 p = strchr(message, '{');
8418 /* Kludge for Arasan 4.1 bug */
8419 if (strcmp(r, "Black resigns") == 0) {
8420 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8423 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8425 } else if (strncmp(message, "1/2", 3) == 0) {
8426 char *p, *q, *r = "";
8427 p = strchr(message, '{');
8436 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8439 } else if (strncmp(message, "White resign", 12) == 0) {
8440 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8442 } else if (strncmp(message, "Black resign", 12) == 0) {
8443 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8445 } else if (strncmp(message, "White matches", 13) == 0 ||
8446 strncmp(message, "Black matches", 13) == 0 ) {
8447 /* [HGM] ignore GNUShogi noises */
8449 } else if (strncmp(message, "White", 5) == 0 &&
8450 message[5] != '(' &&
8451 StrStr(message, "Black") == NULL) {
8452 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8454 } else if (strncmp(message, "Black", 5) == 0 &&
8455 message[5] != '(') {
8456 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8458 } else if (strcmp(message, "resign") == 0 ||
8459 strcmp(message, "computer resigns") == 0) {
8461 case MachinePlaysBlack:
8462 case IcsPlayingBlack:
8463 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8465 case MachinePlaysWhite:
8466 case IcsPlayingWhite:
8467 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8469 case TwoMachinesPlay:
8470 if (cps->twoMachinesColor[0] == 'w')
8471 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8473 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8480 } else if (strncmp(message, "opponent mates", 14) == 0) {
8482 case MachinePlaysBlack:
8483 case IcsPlayingBlack:
8484 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8486 case MachinePlaysWhite:
8487 case IcsPlayingWhite:
8488 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8490 case TwoMachinesPlay:
8491 if (cps->twoMachinesColor[0] == 'w')
8492 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8494 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8501 } else if (strncmp(message, "computer mates", 14) == 0) {
8503 case MachinePlaysBlack:
8504 case IcsPlayingBlack:
8505 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8507 case MachinePlaysWhite:
8508 case IcsPlayingWhite:
8509 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8511 case TwoMachinesPlay:
8512 if (cps->twoMachinesColor[0] == 'w')
8513 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8515 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8522 } else if (strncmp(message, "checkmate", 9) == 0) {
8523 if (WhiteOnMove(forwardMostMove)) {
8524 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8526 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8529 } else if (strstr(message, "Draw") != NULL ||
8530 strstr(message, "game is a draw") != NULL) {
8531 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8533 } else if (strstr(message, "offer") != NULL &&
8534 strstr(message, "draw") != NULL) {
8536 if (appData.zippyPlay && first.initDone) {
8537 /* Relay offer to ICS */
8538 SendToICS(ics_prefix);
8539 SendToICS("draw\n");
8542 cps->offeredDraw = 2; /* valid until this engine moves twice */
8543 if (gameMode == TwoMachinesPlay) {
8544 if (cps->other->offeredDraw) {
8545 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8546 /* [HGM] in two-machine mode we delay relaying draw offer */
8547 /* until after we also have move, to see if it is really claim */
8549 } else if (gameMode == MachinePlaysWhite ||
8550 gameMode == MachinePlaysBlack) {
8551 if (userOfferedDraw) {
8552 DisplayInformation(_("Machine accepts your draw offer"));
8553 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8555 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8562 * Look for thinking output
8564 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8565 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8567 int plylev, mvleft, mvtot, curscore, time;
8568 char mvname[MOVE_LEN];
8572 int prefixHint = FALSE;
8573 mvname[0] = NULLCHAR;
8576 case MachinePlaysBlack:
8577 case IcsPlayingBlack:
8578 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8580 case MachinePlaysWhite:
8581 case IcsPlayingWhite:
8582 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8587 case IcsObserving: /* [DM] icsEngineAnalyze */
8588 if (!appData.icsEngineAnalyze) ignore = TRUE;
8590 case TwoMachinesPlay:
8591 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8601 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8603 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8604 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8606 if (plyext != ' ' && plyext != '\t') {
8610 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8611 if( cps->scoreIsAbsolute &&
8612 ( gameMode == MachinePlaysBlack ||
8613 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8614 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8615 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8616 !WhiteOnMove(currentMove)
8619 curscore = -curscore;
8622 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8624 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8627 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8628 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8629 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8630 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8631 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8632 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8634 } else DisplayError(_("failed writing PV"), 0);
8637 tempStats.depth = plylev;
8638 tempStats.nodes = nodes;
8639 tempStats.time = time;
8640 tempStats.score = curscore;
8641 tempStats.got_only_move = 0;
8643 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8646 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8647 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8648 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8649 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8650 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8651 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8652 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8653 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8656 /* Buffer overflow protection */
8657 if (pv[0] != NULLCHAR) {
8658 if (strlen(pv) >= sizeof(tempStats.movelist)
8659 && appData.debugMode) {
8661 "PV is too long; using the first %u bytes.\n",
8662 (unsigned) sizeof(tempStats.movelist) - 1);
8665 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8667 sprintf(tempStats.movelist, " no PV\n");
8670 if (tempStats.seen_stat) {
8671 tempStats.ok_to_send = 1;
8674 if (strchr(tempStats.movelist, '(') != NULL) {
8675 tempStats.line_is_book = 1;
8676 tempStats.nr_moves = 0;
8677 tempStats.moves_left = 0;
8679 tempStats.line_is_book = 0;
8682 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8683 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8685 SendProgramStatsToFrontend( cps, &tempStats );
8688 [AS] Protect the thinkOutput buffer from overflow... this
8689 is only useful if buf1 hasn't overflowed first!
8691 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8693 (gameMode == TwoMachinesPlay ?
8694 ToUpper(cps->twoMachinesColor[0]) : ' '),
8695 ((double) curscore) / 100.0,
8696 prefixHint ? lastHint : "",
8697 prefixHint ? " " : "" );
8699 if( buf1[0] != NULLCHAR ) {
8700 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8702 if( strlen(pv) > max_len ) {
8703 if( appData.debugMode) {
8704 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8706 pv[max_len+1] = '\0';
8709 strcat( thinkOutput, pv);
8712 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8713 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8714 DisplayMove(currentMove - 1);
8718 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8719 /* crafty (9.25+) says "(only move) <move>"
8720 * if there is only 1 legal move
8722 sscanf(p, "(only move) %s", buf1);
8723 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8724 sprintf(programStats.movelist, "%s (only move)", buf1);
8725 programStats.depth = 1;
8726 programStats.nr_moves = 1;
8727 programStats.moves_left = 1;
8728 programStats.nodes = 1;
8729 programStats.time = 1;
8730 programStats.got_only_move = 1;
8732 /* Not really, but we also use this member to
8733 mean "line isn't going to change" (Crafty
8734 isn't searching, so stats won't change) */
8735 programStats.line_is_book = 1;
8737 SendProgramStatsToFrontend( cps, &programStats );
8739 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8740 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8741 DisplayMove(currentMove - 1);
8744 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8745 &time, &nodes, &plylev, &mvleft,
8746 &mvtot, mvname) >= 5) {
8747 /* The stat01: line is from Crafty (9.29+) in response
8748 to the "." command */
8749 programStats.seen_stat = 1;
8750 cps->maybeThinking = TRUE;
8752 if (programStats.got_only_move || !appData.periodicUpdates)
8755 programStats.depth = plylev;
8756 programStats.time = time;
8757 programStats.nodes = nodes;
8758 programStats.moves_left = mvleft;
8759 programStats.nr_moves = mvtot;
8760 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8761 programStats.ok_to_send = 1;
8762 programStats.movelist[0] = '\0';
8764 SendProgramStatsToFrontend( cps, &programStats );
8768 } else if (strncmp(message,"++",2) == 0) {
8769 /* Crafty 9.29+ outputs this */
8770 programStats.got_fail = 2;
8773 } else if (strncmp(message,"--",2) == 0) {
8774 /* Crafty 9.29+ outputs this */
8775 programStats.got_fail = 1;
8778 } else if (thinkOutput[0] != NULLCHAR &&
8779 strncmp(message, " ", 4) == 0) {
8780 unsigned message_len;
8783 while (*p && *p == ' ') p++;
8785 message_len = strlen( p );
8787 /* [AS] Avoid buffer overflow */
8788 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8789 strcat(thinkOutput, " ");
8790 strcat(thinkOutput, p);
8793 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8794 strcat(programStats.movelist, " ");
8795 strcat(programStats.movelist, p);
8798 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8799 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8800 DisplayMove(currentMove - 1);
8808 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8809 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8811 ChessProgramStats cpstats;
8813 if (plyext != ' ' && plyext != '\t') {
8817 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8818 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8819 curscore = -curscore;
8822 cpstats.depth = plylev;
8823 cpstats.nodes = nodes;
8824 cpstats.time = time;
8825 cpstats.score = curscore;
8826 cpstats.got_only_move = 0;
8827 cpstats.movelist[0] = '\0';
8829 if (buf1[0] != NULLCHAR) {
8830 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8833 cpstats.ok_to_send = 0;
8834 cpstats.line_is_book = 0;
8835 cpstats.nr_moves = 0;
8836 cpstats.moves_left = 0;
8838 SendProgramStatsToFrontend( cps, &cpstats );
8845 /* Parse a game score from the character string "game", and
8846 record it as the history of the current game. The game
8847 score is NOT assumed to start from the standard position.
8848 The display is not updated in any way.
8851 ParseGameHistory (char *game)
8854 int fromX, fromY, toX, toY, boardIndex;
8859 if (appData.debugMode)
8860 fprintf(debugFP, "Parsing game history: %s\n", game);
8862 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8863 gameInfo.site = StrSave(appData.icsHost);
8864 gameInfo.date = PGNDate();
8865 gameInfo.round = StrSave("-");
8867 /* Parse out names of players */
8868 while (*game == ' ') game++;
8870 while (*game != ' ') *p++ = *game++;
8872 gameInfo.white = StrSave(buf);
8873 while (*game == ' ') game++;
8875 while (*game != ' ' && *game != '\n') *p++ = *game++;
8877 gameInfo.black = StrSave(buf);
8880 boardIndex = blackPlaysFirst ? 1 : 0;
8883 yyboardindex = boardIndex;
8884 moveType = (ChessMove) Myylex();
8886 case IllegalMove: /* maybe suicide chess, etc. */
8887 if (appData.debugMode) {
8888 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8889 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8890 setbuf(debugFP, NULL);
8892 case WhitePromotion:
8893 case BlackPromotion:
8894 case WhiteNonPromotion:
8895 case BlackNonPromotion:
8897 case WhiteCapturesEnPassant:
8898 case BlackCapturesEnPassant:
8899 case WhiteKingSideCastle:
8900 case WhiteQueenSideCastle:
8901 case BlackKingSideCastle:
8902 case BlackQueenSideCastle:
8903 case WhiteKingSideCastleWild:
8904 case WhiteQueenSideCastleWild:
8905 case BlackKingSideCastleWild:
8906 case BlackQueenSideCastleWild:
8908 case WhiteHSideCastleFR:
8909 case WhiteASideCastleFR:
8910 case BlackHSideCastleFR:
8911 case BlackASideCastleFR:
8913 fromX = currentMoveString[0] - AAA;
8914 fromY = currentMoveString[1] - ONE;
8915 toX = currentMoveString[2] - AAA;
8916 toY = currentMoveString[3] - ONE;
8917 promoChar = currentMoveString[4];
8921 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8922 fromX = moveType == WhiteDrop ?
8923 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8924 (int) CharToPiece(ToLower(currentMoveString[0]));
8926 toX = currentMoveString[2] - AAA;
8927 toY = currentMoveString[3] - ONE;
8928 promoChar = NULLCHAR;
8932 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8933 if (appData.debugMode) {
8934 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8935 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8936 setbuf(debugFP, NULL);
8938 DisplayError(buf, 0);
8940 case ImpossibleMove:
8942 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8943 if (appData.debugMode) {
8944 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8945 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8946 setbuf(debugFP, NULL);
8948 DisplayError(buf, 0);
8951 if (boardIndex < backwardMostMove) {
8952 /* Oops, gap. How did that happen? */
8953 DisplayError(_("Gap in move list"), 0);
8956 backwardMostMove = blackPlaysFirst ? 1 : 0;
8957 if (boardIndex > forwardMostMove) {
8958 forwardMostMove = boardIndex;
8962 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8963 strcat(parseList[boardIndex-1], " ");
8964 strcat(parseList[boardIndex-1], yy_text);
8976 case GameUnfinished:
8977 if (gameMode == IcsExamining) {
8978 if (boardIndex < backwardMostMove) {
8979 /* Oops, gap. How did that happen? */
8982 backwardMostMove = blackPlaysFirst ? 1 : 0;
8985 gameInfo.result = moveType;
8986 p = strchr(yy_text, '{');
8987 if (p == NULL) p = strchr(yy_text, '(');
8990 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8992 q = strchr(p, *p == '{' ? '}' : ')');
8993 if (q != NULL) *q = NULLCHAR;
8996 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
8997 gameInfo.resultDetails = StrSave(p);
9000 if (boardIndex >= forwardMostMove &&
9001 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9002 backwardMostMove = blackPlaysFirst ? 1 : 0;
9005 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9006 fromY, fromX, toY, toX, promoChar,
9007 parseList[boardIndex]);
9008 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9009 /* currentMoveString is set as a side-effect of yylex */
9010 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9011 strcat(moveList[boardIndex], "\n");
9013 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9014 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9020 if(gameInfo.variant != VariantShogi)
9021 strcat(parseList[boardIndex - 1], "+");
9025 strcat(parseList[boardIndex - 1], "#");
9032 /* Apply a move to the given board */
9034 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9036 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9037 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9039 /* [HGM] compute & store e.p. status and castling rights for new position */
9040 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9042 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9043 oldEP = (signed char)board[EP_STATUS];
9044 board[EP_STATUS] = EP_NONE;
9046 if (fromY == DROP_RANK) {
9048 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9049 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9052 piece = board[toY][toX] = (ChessSquare) fromX;
9056 if( board[toY][toX] != EmptySquare )
9057 board[EP_STATUS] = EP_CAPTURE;
9059 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9060 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9061 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9063 if( board[fromY][fromX] == WhitePawn ) {
9064 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9065 board[EP_STATUS] = EP_PAWN_MOVE;
9067 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9068 gameInfo.variant != VariantBerolina || toX < fromX)
9069 board[EP_STATUS] = toX | berolina;
9070 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9071 gameInfo.variant != VariantBerolina || toX > fromX)
9072 board[EP_STATUS] = toX;
9075 if( board[fromY][fromX] == BlackPawn ) {
9076 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9077 board[EP_STATUS] = EP_PAWN_MOVE;
9078 if( toY-fromY== -2) {
9079 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9080 gameInfo.variant != VariantBerolina || toX < fromX)
9081 board[EP_STATUS] = toX | berolina;
9082 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9083 gameInfo.variant != VariantBerolina || toX > fromX)
9084 board[EP_STATUS] = toX;
9088 for(i=0; i<nrCastlingRights; i++) {
9089 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9090 board[CASTLING][i] == toX && castlingRank[i] == toY
9091 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9094 if (fromX == toX && fromY == toY) return;
9096 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9097 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9098 if(gameInfo.variant == VariantKnightmate)
9099 king += (int) WhiteUnicorn - (int) WhiteKing;
9101 /* Code added by Tord: */
9102 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9103 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9104 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9105 board[fromY][fromX] = EmptySquare;
9106 board[toY][toX] = EmptySquare;
9107 if((toX > fromX) != (piece == WhiteRook)) {
9108 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9110 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9112 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9113 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9114 board[fromY][fromX] = EmptySquare;
9115 board[toY][toX] = EmptySquare;
9116 if((toX > fromX) != (piece == BlackRook)) {
9117 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9119 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9121 /* End of code added by Tord */
9123 } else if (board[fromY][fromX] == king
9124 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9125 && toY == fromY && toX > fromX+1) {
9126 board[fromY][fromX] = EmptySquare;
9127 board[toY][toX] = king;
9128 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9129 board[fromY][BOARD_RGHT-1] = EmptySquare;
9130 } else if (board[fromY][fromX] == king
9131 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9132 && toY == fromY && toX < fromX-1) {
9133 board[fromY][fromX] = EmptySquare;
9134 board[toY][toX] = king;
9135 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9136 board[fromY][BOARD_LEFT] = EmptySquare;
9137 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9138 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9139 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9141 /* white pawn promotion */
9142 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9143 if(gameInfo.variant==VariantBughouse ||
9144 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9145 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9146 board[fromY][fromX] = EmptySquare;
9147 } else if ((fromY >= BOARD_HEIGHT>>1)
9149 && gameInfo.variant != VariantXiangqi
9150 && gameInfo.variant != VariantBerolina
9151 && (board[fromY][fromX] == WhitePawn)
9152 && (board[toY][toX] == EmptySquare)) {
9153 board[fromY][fromX] = EmptySquare;
9154 board[toY][toX] = WhitePawn;
9155 captured = board[toY - 1][toX];
9156 board[toY - 1][toX] = EmptySquare;
9157 } else if ((fromY == BOARD_HEIGHT-4)
9159 && gameInfo.variant == VariantBerolina
9160 && (board[fromY][fromX] == WhitePawn)
9161 && (board[toY][toX] == EmptySquare)) {
9162 board[fromY][fromX] = EmptySquare;
9163 board[toY][toX] = WhitePawn;
9164 if(oldEP & EP_BEROLIN_A) {
9165 captured = board[fromY][fromX-1];
9166 board[fromY][fromX-1] = EmptySquare;
9167 }else{ captured = board[fromY][fromX+1];
9168 board[fromY][fromX+1] = EmptySquare;
9170 } else if (board[fromY][fromX] == king
9171 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9172 && toY == fromY && toX > fromX+1) {
9173 board[fromY][fromX] = EmptySquare;
9174 board[toY][toX] = king;
9175 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9176 board[fromY][BOARD_RGHT-1] = EmptySquare;
9177 } else if (board[fromY][fromX] == king
9178 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9179 && toY == fromY && toX < fromX-1) {
9180 board[fromY][fromX] = EmptySquare;
9181 board[toY][toX] = king;
9182 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9183 board[fromY][BOARD_LEFT] = EmptySquare;
9184 } else if (fromY == 7 && fromX == 3
9185 && board[fromY][fromX] == BlackKing
9186 && toY == 7 && toX == 5) {
9187 board[fromY][fromX] = EmptySquare;
9188 board[toY][toX] = BlackKing;
9189 board[fromY][7] = EmptySquare;
9190 board[toY][4] = BlackRook;
9191 } else if (fromY == 7 && fromX == 3
9192 && board[fromY][fromX] == BlackKing
9193 && toY == 7 && toX == 1) {
9194 board[fromY][fromX] = EmptySquare;
9195 board[toY][toX] = BlackKing;
9196 board[fromY][0] = EmptySquare;
9197 board[toY][2] = BlackRook;
9198 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9199 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9200 && toY < promoRank && promoChar
9202 /* black pawn promotion */
9203 board[toY][toX] = CharToPiece(ToLower(promoChar));
9204 if(gameInfo.variant==VariantBughouse ||
9205 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9206 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9207 board[fromY][fromX] = EmptySquare;
9208 } else if ((fromY < BOARD_HEIGHT>>1)
9210 && gameInfo.variant != VariantXiangqi
9211 && gameInfo.variant != VariantBerolina
9212 && (board[fromY][fromX] == BlackPawn)
9213 && (board[toY][toX] == EmptySquare)) {
9214 board[fromY][fromX] = EmptySquare;
9215 board[toY][toX] = BlackPawn;
9216 captured = board[toY + 1][toX];
9217 board[toY + 1][toX] = EmptySquare;
9218 } else if ((fromY == 3)
9220 && gameInfo.variant == VariantBerolina
9221 && (board[fromY][fromX] == BlackPawn)
9222 && (board[toY][toX] == EmptySquare)) {
9223 board[fromY][fromX] = EmptySquare;
9224 board[toY][toX] = BlackPawn;
9225 if(oldEP & EP_BEROLIN_A) {
9226 captured = board[fromY][fromX-1];
9227 board[fromY][fromX-1] = EmptySquare;
9228 }else{ captured = board[fromY][fromX+1];
9229 board[fromY][fromX+1] = EmptySquare;
9232 board[toY][toX] = board[fromY][fromX];
9233 board[fromY][fromX] = EmptySquare;
9237 if (gameInfo.holdingsWidth != 0) {
9239 /* !!A lot more code needs to be written to support holdings */
9240 /* [HGM] OK, so I have written it. Holdings are stored in the */
9241 /* penultimate board files, so they are automaticlly stored */
9242 /* in the game history. */
9243 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9244 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9245 /* Delete from holdings, by decreasing count */
9246 /* and erasing image if necessary */
9247 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9248 if(p < (int) BlackPawn) { /* white drop */
9249 p -= (int)WhitePawn;
9250 p = PieceToNumber((ChessSquare)p);
9251 if(p >= gameInfo.holdingsSize) p = 0;
9252 if(--board[p][BOARD_WIDTH-2] <= 0)
9253 board[p][BOARD_WIDTH-1] = EmptySquare;
9254 if((int)board[p][BOARD_WIDTH-2] < 0)
9255 board[p][BOARD_WIDTH-2] = 0;
9256 } else { /* black drop */
9257 p -= (int)BlackPawn;
9258 p = PieceToNumber((ChessSquare)p);
9259 if(p >= gameInfo.holdingsSize) p = 0;
9260 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9261 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9262 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9263 board[BOARD_HEIGHT-1-p][1] = 0;
9266 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9267 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9268 /* [HGM] holdings: Add to holdings, if holdings exist */
9269 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9270 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9271 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9274 if (p >= (int) BlackPawn) {
9275 p -= (int)BlackPawn;
9276 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9277 /* in Shogi restore piece to its original first */
9278 captured = (ChessSquare) (DEMOTED captured);
9281 p = PieceToNumber((ChessSquare)p);
9282 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9283 board[p][BOARD_WIDTH-2]++;
9284 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9286 p -= (int)WhitePawn;
9287 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9288 captured = (ChessSquare) (DEMOTED captured);
9291 p = PieceToNumber((ChessSquare)p);
9292 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9293 board[BOARD_HEIGHT-1-p][1]++;
9294 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9297 } else if (gameInfo.variant == VariantAtomic) {
9298 if (captured != EmptySquare) {
9300 for (y = toY-1; y <= toY+1; y++) {
9301 for (x = toX-1; x <= toX+1; x++) {
9302 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9303 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9304 board[y][x] = EmptySquare;
9308 board[toY][toX] = EmptySquare;
9311 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9312 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9314 if(promoChar == '+') {
9315 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9316 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9317 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9318 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9320 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9321 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9322 // [HGM] superchess: take promotion piece out of holdings
9323 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9324 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9325 if(!--board[k][BOARD_WIDTH-2])
9326 board[k][BOARD_WIDTH-1] = EmptySquare;
9328 if(!--board[BOARD_HEIGHT-1-k][1])
9329 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9335 /* Updates forwardMostMove */
9337 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9339 // forwardMostMove++; // [HGM] bare: moved downstream
9341 (void) CoordsToAlgebraic(boards[forwardMostMove],
9342 PosFlags(forwardMostMove),
9343 fromY, fromX, toY, toX, promoChar,
9344 parseList[forwardMostMove]);
9346 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9347 int timeLeft; static int lastLoadFlag=0; int king, piece;
9348 piece = boards[forwardMostMove][fromY][fromX];
9349 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9350 if(gameInfo.variant == VariantKnightmate)
9351 king += (int) WhiteUnicorn - (int) WhiteKing;
9352 if(forwardMostMove == 0) {
9353 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9354 fprintf(serverMoves, "%s;", UserName());
9355 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9356 fprintf(serverMoves, "%s;", second.tidy);
9357 fprintf(serverMoves, "%s;", first.tidy);
9358 if(gameMode == MachinePlaysWhite)
9359 fprintf(serverMoves, "%s;", UserName());
9360 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9361 fprintf(serverMoves, "%s;", second.tidy);
9362 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9363 lastLoadFlag = loadFlag;
9365 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9366 // print castling suffix
9367 if( toY == fromY && piece == king ) {
9369 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9371 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9374 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9375 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9376 boards[forwardMostMove][toY][toX] == EmptySquare
9377 && fromX != toX && fromY != toY)
9378 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9380 if(promoChar != NULLCHAR)
9381 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9383 char buf[MOVE_LEN*2], *p; int len;
9384 fprintf(serverMoves, "/%d/%d",
9385 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9386 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9387 else timeLeft = blackTimeRemaining/1000;
9388 fprintf(serverMoves, "/%d", timeLeft);
9389 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9390 if(p = strchr(buf, '=')) *p = NULLCHAR;
9391 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9392 fprintf(serverMoves, "/%s", buf);
9394 fflush(serverMoves);
9397 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9398 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9401 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9402 if (commentList[forwardMostMove+1] != NULL) {
9403 free(commentList[forwardMostMove+1]);
9404 commentList[forwardMostMove+1] = NULL;
9406 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9407 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9408 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9409 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9410 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9411 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9412 adjustedClock = FALSE;
9413 gameInfo.result = GameUnfinished;
9414 if (gameInfo.resultDetails != NULL) {
9415 free(gameInfo.resultDetails);
9416 gameInfo.resultDetails = NULL;
9418 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9419 moveList[forwardMostMove - 1]);
9420 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9426 if(gameInfo.variant != VariantShogi)
9427 strcat(parseList[forwardMostMove - 1], "+");
9431 strcat(parseList[forwardMostMove - 1], "#");
9434 if (appData.debugMode) {
9435 fprintf(debugFP, "move: %s, parse: %s (%c)\n", moveList[forwardMostMove-1], parseList[forwardMostMove-1], moveList[forwardMostMove-1][4]);
9440 /* Updates currentMove if not pausing */
9442 ShowMove (int fromX, int fromY, int toX, int toY)
9444 int instant = (gameMode == PlayFromGameFile) ?
9445 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9446 if(appData.noGUI) return;
9447 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9449 if (forwardMostMove == currentMove + 1) {
9450 AnimateMove(boards[forwardMostMove - 1],
9451 fromX, fromY, toX, toY);
9453 if (appData.highlightLastMove) {
9454 SetHighlights(fromX, fromY, toX, toY);
9457 currentMove = forwardMostMove;
9460 if (instant) return;
9462 DisplayMove(currentMove - 1);
9463 DrawPosition(FALSE, boards[currentMove]);
9464 DisplayBothClocks();
9465 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9469 SendEgtPath (ChessProgramState *cps)
9470 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9471 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9473 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9476 char c, *q = name+1, *r, *s;
9478 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9479 while(*p && *p != ',') *q++ = *p++;
9481 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9482 strcmp(name, ",nalimov:") == 0 ) {
9483 // take nalimov path from the menu-changeable option first, if it is defined
9484 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9485 SendToProgram(buf,cps); // send egtbpath command for nalimov
9487 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9488 (s = StrStr(appData.egtFormats, name)) != NULL) {
9489 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9490 s = r = StrStr(s, ":") + 1; // beginning of path info
9491 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9492 c = *r; *r = 0; // temporarily null-terminate path info
9493 *--q = 0; // strip of trailig ':' from name
9494 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9496 SendToProgram(buf,cps); // send egtbpath command for this format
9498 if(*p == ',') p++; // read away comma to position for next format name
9503 InitChessProgram (ChessProgramState *cps, int setup)
9504 /* setup needed to setup FRC opening position */
9506 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9507 if (appData.noChessProgram) return;
9508 hintRequested = FALSE;
9509 bookRequested = FALSE;
9511 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9512 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9513 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9514 if(cps->memSize) { /* [HGM] memory */
9515 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9516 SendToProgram(buf, cps);
9518 SendEgtPath(cps); /* [HGM] EGT */
9519 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9520 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9521 SendToProgram(buf, cps);
9524 SendToProgram(cps->initString, cps);
9525 if (gameInfo.variant != VariantNormal &&
9526 gameInfo.variant != VariantLoadable
9527 /* [HGM] also send variant if board size non-standard */
9528 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9530 char *v = VariantName(gameInfo.variant);
9531 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9532 /* [HGM] in protocol 1 we have to assume all variants valid */
9533 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9534 DisplayFatalError(buf, 0, 1);
9538 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9539 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9540 if( gameInfo.variant == VariantXiangqi )
9541 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9542 if( gameInfo.variant == VariantShogi )
9543 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9544 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9545 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9546 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9547 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9548 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9549 if( gameInfo.variant == VariantCourier )
9550 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9551 if( gameInfo.variant == VariantSuper )
9552 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9553 if( gameInfo.variant == VariantGreat )
9554 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9555 if( gameInfo.variant == VariantSChess )
9556 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9557 if( gameInfo.variant == VariantGrand )
9558 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9561 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9562 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9563 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9564 if(StrStr(cps->variants, b) == NULL) {
9565 // specific sized variant not known, check if general sizing allowed
9566 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9567 if(StrStr(cps->variants, "boardsize") == NULL) {
9568 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9569 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9570 DisplayFatalError(buf, 0, 1);
9573 /* [HGM] here we really should compare with the maximum supported board size */
9576 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9577 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9578 SendToProgram(buf, cps);
9580 currentlyInitializedVariant = gameInfo.variant;
9582 /* [HGM] send opening position in FRC to first engine */
9584 SendToProgram("force\n", cps);
9586 /* engine is now in force mode! Set flag to wake it up after first move. */
9587 setboardSpoiledMachineBlack = 1;
9591 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9592 SendToProgram(buf, cps);
9594 cps->maybeThinking = FALSE;
9595 cps->offeredDraw = 0;
9596 if (!appData.icsActive) {
9597 SendTimeControl(cps, movesPerSession, timeControl,
9598 timeIncrement, appData.searchDepth,
9601 if (appData.showThinking
9602 // [HGM] thinking: four options require thinking output to be sent
9603 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9605 SendToProgram("post\n", cps);
9607 SendToProgram("hard\n", cps);
9608 if (!appData.ponderNextMove) {
9609 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9610 it without being sure what state we are in first. "hard"
9611 is not a toggle, so that one is OK.
9613 SendToProgram("easy\n", cps);
9616 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9617 SendToProgram(buf, cps);
9619 cps->initDone = TRUE;
9620 ClearEngineOutputPane(cps == &second);
9625 StartChessProgram (ChessProgramState *cps)
9630 if (appData.noChessProgram) return;
9631 cps->initDone = FALSE;
9633 if (strcmp(cps->host, "localhost") == 0) {
9634 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9635 } else if (*appData.remoteShell == NULLCHAR) {
9636 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9638 if (*appData.remoteUser == NULLCHAR) {
9639 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9642 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9643 cps->host, appData.remoteUser, cps->program);
9645 err = StartChildProcess(buf, "", &cps->pr);
9649 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9650 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9651 if(cps != &first) return;
9652 appData.noChessProgram = TRUE;
9655 // DisplayFatalError(buf, err, 1);
9656 // cps->pr = NoProc;
9661 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9662 if (cps->protocolVersion > 1) {
9663 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9664 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9665 cps->comboCnt = 0; // and values of combo boxes
9666 SendToProgram(buf, cps);
9668 SendToProgram("xboard\n", cps);
9673 TwoMachinesEventIfReady P((void))
9675 static int curMess = 0;
9676 if (first.lastPing != first.lastPong) {
9677 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9678 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9681 if (second.lastPing != second.lastPong) {
9682 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9683 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9686 DisplayMessage("", ""); curMess = 0;
9692 MakeName (char *template)
9696 static char buf[MSG_SIZ];
9700 clock = time((time_t *)NULL);
9701 tm = localtime(&clock);
9703 while(*p++ = *template++) if(p[-1] == '%') {
9704 switch(*template++) {
9705 case 0: *p = 0; return buf;
9706 case 'Y': i = tm->tm_year+1900; break;
9707 case 'y': i = tm->tm_year-100; break;
9708 case 'M': i = tm->tm_mon+1; break;
9709 case 'd': i = tm->tm_mday; break;
9710 case 'h': i = tm->tm_hour; break;
9711 case 'm': i = tm->tm_min; break;
9712 case 's': i = tm->tm_sec; break;
9715 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9721 CountPlayers (char *p)
9724 while(p = strchr(p, '\n')) p++, n++; // count participants
9729 WriteTourneyFile (char *results, FILE *f)
9730 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9731 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9732 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9733 // create a file with tournament description
9734 fprintf(f, "-participants {%s}\n", appData.participants);
9735 fprintf(f, "-seedBase %d\n", appData.seedBase);
9736 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9737 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9738 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9739 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9740 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9741 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9742 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9743 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9744 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9745 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9746 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9747 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9749 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9751 fprintf(f, "-mps %d\n", appData.movesPerSession);
9752 fprintf(f, "-tc %s\n", appData.timeControl);
9753 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9755 fprintf(f, "-results \"%s\"\n", results);
9760 #define MAXENGINES 1000
9761 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9764 Substitute (char *participants, int expunge)
9766 int i, changed, changes=0, nPlayers=0;
9767 char *p, *q, *r, buf[MSG_SIZ];
9768 if(participants == NULL) return;
9769 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9770 r = p = participants; q = appData.participants;
9771 while(*p && *p == *q) {
9772 if(*p == '\n') r = p+1, nPlayers++;
9775 if(*p) { // difference
9776 while(*p && *p++ != '\n');
9777 while(*q && *q++ != '\n');
9779 changes = 1 + (strcmp(p, q) != 0);
9781 if(changes == 1) { // a single engine mnemonic was changed
9782 q = r; while(*q) nPlayers += (*q++ == '\n');
9783 p = buf; while(*r && (*p = *r++) != '\n') p++;
9785 NamesToList(firstChessProgramNames, command, mnemonic);
9786 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9787 if(mnemonic[i]) { // The substitute is valid
9789 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9790 flock(fileno(f), LOCK_EX);
9791 ParseArgsFromFile(f);
9792 fseek(f, 0, SEEK_SET);
9793 FREE(appData.participants); appData.participants = participants;
9794 if(expunge) { // erase results of replaced engine
9795 int len = strlen(appData.results), w, b, dummy;
9796 for(i=0; i<len; i++) {
9797 Pairing(i, nPlayers, &w, &b, &dummy);
9798 if((w == changed || b == changed) && appData.results[i] == '*') {
9799 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9804 for(i=0; i<len; i++) {
9805 Pairing(i, nPlayers, &w, &b, &dummy);
9806 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9809 WriteTourneyFile(appData.results, f);
9810 fclose(f); // release lock
9813 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9815 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9816 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9822 CreateTourney (char *name)
9825 if(matchMode && strcmp(name, appData.tourneyFile)) {
9826 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9828 if(name[0] == NULLCHAR) {
9829 if(appData.participants[0])
9830 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9833 f = fopen(name, "r");
9834 if(f) { // file exists
9835 ASSIGN(appData.tourneyFile, name);
9836 ParseArgsFromFile(f); // parse it
9838 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9839 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9840 DisplayError(_("Not enough participants"), 0);
9843 ASSIGN(appData.tourneyFile, name);
9844 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9845 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9848 appData.noChessProgram = FALSE;
9849 appData.clockMode = TRUE;
9855 NamesToList (char *names, char **engineList, char **engineMnemonic)
9857 char buf[MSG_SIZ], *p, *q;
9861 while(*p && *p != '\n') *q++ = *p++;
9863 if(engineList[i]) free(engineList[i]);
9864 engineList[i] = strdup(buf);
9866 TidyProgramName(engineList[i], "localhost", buf);
9867 if(engineMnemonic[i]) free(engineMnemonic[i]);
9868 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9870 sscanf(q + 8, "%s", buf + strlen(buf));
9873 engineMnemonic[i] = strdup(buf);
9875 if(i > MAXENGINES - 2) break;
9877 engineList[i] = engineMnemonic[i] = NULL;
9880 // following implemented as macro to avoid type limitations
9881 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9885 { // swap settings for first engine and other engine (so far only some selected options)
9890 SWAP(chessProgram, p)
9892 SWAP(hasOwnBookUCI, h)
9893 SWAP(protocolVersion, h)
9895 SWAP(scoreIsAbsolute, h)
9904 SetPlayer (int player)
9905 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9907 char buf[MSG_SIZ], *engineName, *p = appData.participants;
9908 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9909 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9910 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9912 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9913 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9914 appData.firstHasOwnBookUCI = !appData.defNoBook;
9915 ParseArgsFromString(buf);
9921 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9922 { // determine players from game number
9923 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9925 if(appData.tourneyType == 0) {
9926 roundsPerCycle = (nPlayers - 1) | 1;
9927 pairingsPerRound = nPlayers / 2;
9928 } else if(appData.tourneyType > 0) {
9929 roundsPerCycle = nPlayers - appData.tourneyType;
9930 pairingsPerRound = appData.tourneyType;
9932 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9933 gamesPerCycle = gamesPerRound * roundsPerCycle;
9934 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9935 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9936 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9937 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9938 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9939 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9941 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9942 if(appData.roundSync) *syncInterval = gamesPerRound;
9944 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9946 if(appData.tourneyType == 0) {
9947 if(curPairing == (nPlayers-1)/2 ) {
9948 *whitePlayer = curRound;
9949 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9951 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9952 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9953 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9954 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9956 } else if(appData.tourneyType > 0) {
9957 *whitePlayer = curPairing;
9958 *blackPlayer = curRound + appData.tourneyType;
9961 // take care of white/black alternation per round.
9962 // For cycles and games this is already taken care of by default, derived from matchGame!
9963 return curRound & 1;
9967 NextTourneyGame (int nr, int *swapColors)
9968 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
9970 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
9972 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
9973 tf = fopen(appData.tourneyFile, "r");
9974 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
9975 ParseArgsFromFile(tf); fclose(tf);
9976 InitTimeControls(); // TC might be altered from tourney file
9978 nPlayers = CountPlayers(appData.participants); // count participants
9979 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
9980 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
9983 p = q = appData.results;
9984 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
9985 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
9986 DisplayMessage(_("Waiting for other game(s)"),"");
9987 waitingForGame = TRUE;
9988 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
9991 waitingForGame = FALSE;
9994 if(appData.tourneyType < 0) {
9995 if(nr>=0 && !pairingReceived) {
9997 if(pairing.pr == NoProc) {
9998 if(!appData.pairingEngine[0]) {
9999 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10002 StartChessProgram(&pairing); // starts the pairing engine
10004 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10005 SendToProgram(buf, &pairing);
10006 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10007 SendToProgram(buf, &pairing);
10008 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10010 pairingReceived = 0; // ... so we continue here
10012 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10013 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10014 matchGame = 1; roundNr = nr / syncInterval + 1;
10017 if(first.pr != NoProc || second.pr != NoProc) return 1; // engines already loaded
10019 // redefine engines, engine dir, etc.
10020 NamesToList(firstChessProgramNames, command, mnemonic); // get mnemonics of installed engines
10021 SetPlayer(whitePlayer); // find white player amongst it, and parse its engine line
10023 SetPlayer(blackPlayer); // find black player amongst it, and parse its engine line
10024 SwapEngines(1); // and make that valid for second engine by swapping
10025 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10026 InitEngine(&second, 1);
10027 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10028 UpdateLogos(FALSE); // leave display to ModeHiglight()
10034 { // performs game initialization that does not invoke engines, and then tries to start the game
10035 int res, firstWhite, swapColors = 0;
10036 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10037 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10038 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10039 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10040 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10041 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10042 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10043 Reset(FALSE, first.pr != NoProc);
10044 res = LoadGameOrPosition(matchGame); // setup game
10045 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10046 if(!res) return; // abort when bad game/pos file
10047 TwoMachinesEvent();
10051 UserAdjudicationEvent (int result)
10053 ChessMove gameResult = GameIsDrawn;
10056 gameResult = WhiteWins;
10058 else if( result < 0 ) {
10059 gameResult = BlackWins;
10062 if( gameMode == TwoMachinesPlay ) {
10063 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10068 // [HGM] save: calculate checksum of game to make games easily identifiable
10070 StringCheckSum (char *s)
10073 if(s==NULL) return 0;
10074 while(*s) i = i*259 + *s++;
10082 for(i=backwardMostMove; i<forwardMostMove; i++) {
10083 sum += pvInfoList[i].depth;
10084 sum += StringCheckSum(parseList[i]);
10085 sum += StringCheckSum(commentList[i]);
10088 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10089 return sum + StringCheckSum(commentList[i]);
10090 } // end of save patch
10093 GameEnds (ChessMove result, char *resultDetails, int whosays)
10095 GameMode nextGameMode;
10097 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10099 if(endingGame) return; /* [HGM] crash: forbid recursion */
10101 if(twoBoards) { // [HGM] dual: switch back to one board
10102 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10103 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10105 if (appData.debugMode) {
10106 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10107 result, resultDetails ? resultDetails : "(null)", whosays);
10110 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10112 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10113 /* If we are playing on ICS, the server decides when the
10114 game is over, but the engine can offer to draw, claim
10118 if (appData.zippyPlay && first.initDone) {
10119 if (result == GameIsDrawn) {
10120 /* In case draw still needs to be claimed */
10121 SendToICS(ics_prefix);
10122 SendToICS("draw\n");
10123 } else if (StrCaseStr(resultDetails, "resign")) {
10124 SendToICS(ics_prefix);
10125 SendToICS("resign\n");
10129 endingGame = 0; /* [HGM] crash */
10133 /* If we're loading the game from a file, stop */
10134 if (whosays == GE_FILE) {
10135 (void) StopLoadGameTimer();
10139 /* Cancel draw offers */
10140 first.offeredDraw = second.offeredDraw = 0;
10142 /* If this is an ICS game, only ICS can really say it's done;
10143 if not, anyone can. */
10144 isIcsGame = (gameMode == IcsPlayingWhite ||
10145 gameMode == IcsPlayingBlack ||
10146 gameMode == IcsObserving ||
10147 gameMode == IcsExamining);
10149 if (!isIcsGame || whosays == GE_ICS) {
10150 /* OK -- not an ICS game, or ICS said it was done */
10152 if (!isIcsGame && !appData.noChessProgram)
10153 SetUserThinkingEnables();
10155 /* [HGM] if a machine claims the game end we verify this claim */
10156 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10157 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10159 ChessMove trueResult = (ChessMove) -1;
10161 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10162 first.twoMachinesColor[0] :
10163 second.twoMachinesColor[0] ;
10165 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10166 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10167 /* [HGM] verify: engine mate claims accepted if they were flagged */
10168 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10170 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10171 /* [HGM] verify: engine mate claims accepted if they were flagged */
10172 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10174 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10175 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10178 // now verify win claims, but not in drop games, as we don't understand those yet
10179 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10180 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10181 (result == WhiteWins && claimer == 'w' ||
10182 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10183 if (appData.debugMode) {
10184 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10185 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10187 if(result != trueResult) {
10188 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10189 result = claimer == 'w' ? BlackWins : WhiteWins;
10190 resultDetails = buf;
10193 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10194 && (forwardMostMove <= backwardMostMove ||
10195 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10196 (claimer=='b')==(forwardMostMove&1))
10198 /* [HGM] verify: draws that were not flagged are false claims */
10199 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10200 result = claimer == 'w' ? BlackWins : WhiteWins;
10201 resultDetails = buf;
10203 /* (Claiming a loss is accepted no questions asked!) */
10205 /* [HGM] bare: don't allow bare King to win */
10206 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10207 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10208 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10209 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10210 && result != GameIsDrawn)
10211 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10212 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10213 int p = (signed char)boards[forwardMostMove][i][j] - color;
10214 if(p >= 0 && p <= (int)WhiteKing) k++;
10216 if (appData.debugMode) {
10217 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10218 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10221 result = GameIsDrawn;
10222 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10223 resultDetails = buf;
10229 if(serverMoves != NULL && !loadFlag) { char c = '=';
10230 if(result==WhiteWins) c = '+';
10231 if(result==BlackWins) c = '-';
10232 if(resultDetails != NULL)
10233 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10235 if (resultDetails != NULL) {
10236 gameInfo.result = result;
10237 gameInfo.resultDetails = StrSave(resultDetails);
10239 /* display last move only if game was not loaded from file */
10240 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10241 DisplayMove(currentMove - 1);
10243 if (forwardMostMove != 0) {
10244 if (gameMode != PlayFromGameFile && gameMode != EditGame
10245 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10247 if (*appData.saveGameFile != NULLCHAR) {
10248 SaveGameToFile(appData.saveGameFile, TRUE);
10249 } else if (appData.autoSaveGames) {
10252 if (*appData.savePositionFile != NULLCHAR) {
10253 SavePositionToFile(appData.savePositionFile);
10258 /* Tell program how game ended in case it is learning */
10259 /* [HGM] Moved this to after saving the PGN, just in case */
10260 /* engine died and we got here through time loss. In that */
10261 /* case we will get a fatal error writing the pipe, which */
10262 /* would otherwise lose us the PGN. */
10263 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10264 /* output during GameEnds should never be fatal anymore */
10265 if (gameMode == MachinePlaysWhite ||
10266 gameMode == MachinePlaysBlack ||
10267 gameMode == TwoMachinesPlay ||
10268 gameMode == IcsPlayingWhite ||
10269 gameMode == IcsPlayingBlack ||
10270 gameMode == BeginningOfGame) {
10272 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10274 if (first.pr != NoProc) {
10275 SendToProgram(buf, &first);
10277 if (second.pr != NoProc &&
10278 gameMode == TwoMachinesPlay) {
10279 SendToProgram(buf, &second);
10284 if (appData.icsActive) {
10285 if (appData.quietPlay &&
10286 (gameMode == IcsPlayingWhite ||
10287 gameMode == IcsPlayingBlack)) {
10288 SendToICS(ics_prefix);
10289 SendToICS("set shout 1\n");
10291 nextGameMode = IcsIdle;
10292 ics_user_moved = FALSE;
10293 /* clean up premove. It's ugly when the game has ended and the
10294 * premove highlights are still on the board.
10297 gotPremove = FALSE;
10298 ClearPremoveHighlights();
10299 DrawPosition(FALSE, boards[currentMove]);
10301 if (whosays == GE_ICS) {
10304 if (gameMode == IcsPlayingWhite)
10306 else if(gameMode == IcsPlayingBlack)
10307 PlayIcsLossSound();
10310 if (gameMode == IcsPlayingBlack)
10312 else if(gameMode == IcsPlayingWhite)
10313 PlayIcsLossSound();
10316 PlayIcsDrawSound();
10319 PlayIcsUnfinishedSound();
10322 } else if (gameMode == EditGame ||
10323 gameMode == PlayFromGameFile ||
10324 gameMode == AnalyzeMode ||
10325 gameMode == AnalyzeFile) {
10326 nextGameMode = gameMode;
10328 nextGameMode = EndOfGame;
10333 nextGameMode = gameMode;
10336 if (appData.noChessProgram) {
10337 gameMode = nextGameMode;
10339 endingGame = 0; /* [HGM] crash */
10344 /* Put first chess program into idle state */
10345 if (first.pr != NoProc &&
10346 (gameMode == MachinePlaysWhite ||
10347 gameMode == MachinePlaysBlack ||
10348 gameMode == TwoMachinesPlay ||
10349 gameMode == IcsPlayingWhite ||
10350 gameMode == IcsPlayingBlack ||
10351 gameMode == BeginningOfGame)) {
10352 SendToProgram("force\n", &first);
10353 if (first.usePing) {
10355 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10356 SendToProgram(buf, &first);
10359 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10360 /* Kill off first chess program */
10361 if (first.isr != NULL)
10362 RemoveInputSource(first.isr);
10365 if (first.pr != NoProc) {
10367 DoSleep( appData.delayBeforeQuit );
10368 SendToProgram("quit\n", &first);
10369 DoSleep( appData.delayAfterQuit );
10370 DestroyChildProcess(first.pr, first.useSigterm);
10374 if (second.reuse) {
10375 /* Put second chess program into idle state */
10376 if (second.pr != NoProc &&
10377 gameMode == TwoMachinesPlay) {
10378 SendToProgram("force\n", &second);
10379 if (second.usePing) {
10381 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10382 SendToProgram(buf, &second);
10385 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10386 /* Kill off second chess program */
10387 if (second.isr != NULL)
10388 RemoveInputSource(second.isr);
10391 if (second.pr != NoProc) {
10392 DoSleep( appData.delayBeforeQuit );
10393 SendToProgram("quit\n", &second);
10394 DoSleep( appData.delayAfterQuit );
10395 DestroyChildProcess(second.pr, second.useSigterm);
10397 second.pr = NoProc;
10400 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10401 char resChar = '=';
10405 if (first.twoMachinesColor[0] == 'w') {
10408 second.matchWins++;
10413 if (first.twoMachinesColor[0] == 'b') {
10416 second.matchWins++;
10419 case GameUnfinished:
10425 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10426 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10427 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10428 ReserveGame(nextGame, resChar); // sets nextGame
10429 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10430 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10431 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10433 if (nextGame <= appData.matchGames && !abortMatch) {
10434 gameMode = nextGameMode;
10435 matchGame = nextGame; // this will be overruled in tourney mode!
10436 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10437 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10438 endingGame = 0; /* [HGM] crash */
10441 gameMode = nextGameMode;
10442 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10443 first.tidy, second.tidy,
10444 first.matchWins, second.matchWins,
10445 appData.matchGames - (first.matchWins + second.matchWins));
10446 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10447 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10448 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10449 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10450 first.twoMachinesColor = "black\n";
10451 second.twoMachinesColor = "white\n";
10453 first.twoMachinesColor = "white\n";
10454 second.twoMachinesColor = "black\n";
10458 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10459 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10461 gameMode = nextGameMode;
10463 endingGame = 0; /* [HGM] crash */
10464 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10465 if(matchMode == TRUE) { // match through command line: exit with or without popup
10467 ToNrEvent(forwardMostMove);
10468 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10470 } else DisplayFatalError(buf, 0, 0);
10471 } else { // match through menu; just stop, with or without popup
10472 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10475 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10476 } else DisplayNote(buf);
10478 if(ranking) free(ranking);
10482 /* Assumes program was just initialized (initString sent).
10483 Leaves program in force mode. */
10485 FeedMovesToProgram (ChessProgramState *cps, int upto)
10489 if (appData.debugMode)
10490 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10491 startedFromSetupPosition ? "position and " : "",
10492 backwardMostMove, upto, cps->which);
10493 if(currentlyInitializedVariant != gameInfo.variant) {
10495 // [HGM] variantswitch: make engine aware of new variant
10496 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10497 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10498 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10499 SendToProgram(buf, cps);
10500 currentlyInitializedVariant = gameInfo.variant;
10502 SendToProgram("force\n", cps);
10503 if (startedFromSetupPosition) {
10504 SendBoard(cps, backwardMostMove);
10505 if (appData.debugMode) {
10506 fprintf(debugFP, "feedMoves\n");
10509 for (i = backwardMostMove; i < upto; i++) {
10510 SendMoveToProgram(i, cps);
10516 ResurrectChessProgram ()
10518 /* The chess program may have exited.
10519 If so, restart it and feed it all the moves made so far. */
10520 static int doInit = 0;
10522 if (appData.noChessProgram) return 1;
10524 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10525 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10526 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10527 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10529 if (first.pr != NoProc) return 1;
10530 StartChessProgram(&first);
10532 InitChessProgram(&first, FALSE);
10533 FeedMovesToProgram(&first, currentMove);
10535 if (!first.sendTime) {
10536 /* can't tell gnuchess what its clock should read,
10537 so we bow to its notion. */
10539 timeRemaining[0][currentMove] = whiteTimeRemaining;
10540 timeRemaining[1][currentMove] = blackTimeRemaining;
10543 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10544 appData.icsEngineAnalyze) && first.analysisSupport) {
10545 SendToProgram("analyze\n", &first);
10546 first.analyzing = TRUE;
10552 * Button procedures
10555 Reset (int redraw, int init)
10559 if (appData.debugMode) {
10560 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10561 redraw, init, gameMode);
10563 CleanupTail(); // [HGM] vari: delete any stored variations
10564 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10565 pausing = pauseExamInvalid = FALSE;
10566 startedFromSetupPosition = blackPlaysFirst = FALSE;
10568 whiteFlag = blackFlag = FALSE;
10569 userOfferedDraw = FALSE;
10570 hintRequested = bookRequested = FALSE;
10571 first.maybeThinking = FALSE;
10572 second.maybeThinking = FALSE;
10573 first.bookSuspend = FALSE; // [HGM] book
10574 second.bookSuspend = FALSE;
10575 thinkOutput[0] = NULLCHAR;
10576 lastHint[0] = NULLCHAR;
10577 ClearGameInfo(&gameInfo);
10578 gameInfo.variant = StringToVariant(appData.variant);
10579 ics_user_moved = ics_clock_paused = FALSE;
10580 ics_getting_history = H_FALSE;
10582 white_holding[0] = black_holding[0] = NULLCHAR;
10583 ClearProgramStats();
10584 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10588 flipView = appData.flipView;
10589 ClearPremoveHighlights();
10590 gotPremove = FALSE;
10591 alarmSounded = FALSE;
10593 GameEnds(EndOfFile, NULL, GE_PLAYER);
10594 if(appData.serverMovesName != NULL) {
10595 /* [HGM] prepare to make moves file for broadcasting */
10596 clock_t t = clock();
10597 if(serverMoves != NULL) fclose(serverMoves);
10598 serverMoves = fopen(appData.serverMovesName, "r");
10599 if(serverMoves != NULL) {
10600 fclose(serverMoves);
10601 /* delay 15 sec before overwriting, so all clients can see end */
10602 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10604 serverMoves = fopen(appData.serverMovesName, "w");
10608 gameMode = BeginningOfGame;
10610 if(appData.icsActive) gameInfo.variant = VariantNormal;
10611 currentMove = forwardMostMove = backwardMostMove = 0;
10612 MarkTargetSquares(1);
10613 InitPosition(redraw);
10614 for (i = 0; i < MAX_MOVES; i++) {
10615 if (commentList[i] != NULL) {
10616 free(commentList[i]);
10617 commentList[i] = NULL;
10621 timeRemaining[0][0] = whiteTimeRemaining;
10622 timeRemaining[1][0] = blackTimeRemaining;
10624 if (first.pr == NoProc) {
10625 StartChessProgram(&first);
10628 InitChessProgram(&first, startedFromSetupPosition);
10631 DisplayMessage("", "");
10632 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10633 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10637 AutoPlayGameLoop ()
10640 if (!AutoPlayOneMove())
10642 if (matchMode || appData.timeDelay == 0)
10644 if (appData.timeDelay < 0)
10646 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10655 int fromX, fromY, toX, toY;
10657 if (appData.debugMode) {
10658 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10661 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10664 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10665 pvInfoList[currentMove].depth = programStats.depth;
10666 pvInfoList[currentMove].score = programStats.score;
10667 pvInfoList[currentMove].time = 0;
10668 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10671 if (currentMove >= forwardMostMove) {
10672 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10673 // gameMode = EndOfGame;
10674 // ModeHighlight();
10676 /* [AS] Clear current move marker at the end of a game */
10677 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10682 toX = moveList[currentMove][2] - AAA;
10683 toY = moveList[currentMove][3] - ONE;
10685 if (moveList[currentMove][1] == '@') {
10686 if (appData.highlightLastMove) {
10687 SetHighlights(-1, -1, toX, toY);
10690 fromX = moveList[currentMove][0] - AAA;
10691 fromY = moveList[currentMove][1] - ONE;
10693 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10695 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10697 if (appData.highlightLastMove) {
10698 SetHighlights(fromX, fromY, toX, toY);
10701 DisplayMove(currentMove);
10702 SendMoveToProgram(currentMove++, &first);
10703 DisplayBothClocks();
10704 DrawPosition(FALSE, boards[currentMove]);
10705 // [HGM] PV info: always display, routine tests if empty
10706 DisplayComment(currentMove - 1, commentList[currentMove]);
10712 LoadGameOneMove (ChessMove readAhead)
10714 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10715 char promoChar = NULLCHAR;
10716 ChessMove moveType;
10717 char move[MSG_SIZ];
10720 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10721 gameMode != AnalyzeMode && gameMode != Training) {
10726 yyboardindex = forwardMostMove;
10727 if (readAhead != EndOfFile) {
10728 moveType = readAhead;
10730 if (gameFileFP == NULL)
10732 moveType = (ChessMove) Myylex();
10736 switch (moveType) {
10738 if (appData.debugMode)
10739 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10742 /* append the comment but don't display it */
10743 AppendComment(currentMove, p, FALSE);
10746 case WhiteCapturesEnPassant:
10747 case BlackCapturesEnPassant:
10748 case WhitePromotion:
10749 case BlackPromotion:
10750 case WhiteNonPromotion:
10751 case BlackNonPromotion:
10753 case WhiteKingSideCastle:
10754 case WhiteQueenSideCastle:
10755 case BlackKingSideCastle:
10756 case BlackQueenSideCastle:
10757 case WhiteKingSideCastleWild:
10758 case WhiteQueenSideCastleWild:
10759 case BlackKingSideCastleWild:
10760 case BlackQueenSideCastleWild:
10762 case WhiteHSideCastleFR:
10763 case WhiteASideCastleFR:
10764 case BlackHSideCastleFR:
10765 case BlackASideCastleFR:
10767 if (appData.debugMode)
10768 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10769 fromX = currentMoveString[0] - AAA;
10770 fromY = currentMoveString[1] - ONE;
10771 toX = currentMoveString[2] - AAA;
10772 toY = currentMoveString[3] - ONE;
10773 promoChar = currentMoveString[4];
10778 if (appData.debugMode)
10779 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10780 fromX = moveType == WhiteDrop ?
10781 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10782 (int) CharToPiece(ToLower(currentMoveString[0]));
10784 toX = currentMoveString[2] - AAA;
10785 toY = currentMoveString[3] - ONE;
10791 case GameUnfinished:
10792 if (appData.debugMode)
10793 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10794 p = strchr(yy_text, '{');
10795 if (p == NULL) p = strchr(yy_text, '(');
10798 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10800 q = strchr(p, *p == '{' ? '}' : ')');
10801 if (q != NULL) *q = NULLCHAR;
10804 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10805 GameEnds(moveType, p, GE_FILE);
10807 if (cmailMsgLoaded) {
10809 flipView = WhiteOnMove(currentMove);
10810 if (moveType == GameUnfinished) flipView = !flipView;
10811 if (appData.debugMode)
10812 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10817 if (appData.debugMode)
10818 fprintf(debugFP, "Parser hit end of file\n");
10819 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10825 if (WhiteOnMove(currentMove)) {
10826 GameEnds(BlackWins, "Black mates", GE_FILE);
10828 GameEnds(WhiteWins, "White mates", GE_FILE);
10832 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10838 case MoveNumberOne:
10839 if (lastLoadGameStart == GNUChessGame) {
10840 /* GNUChessGames have numbers, but they aren't move numbers */
10841 if (appData.debugMode)
10842 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10843 yy_text, (int) moveType);
10844 return LoadGameOneMove(EndOfFile); /* tail recursion */
10846 /* else fall thru */
10851 /* Reached start of next game in file */
10852 if (appData.debugMode)
10853 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10854 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10860 if (WhiteOnMove(currentMove)) {
10861 GameEnds(BlackWins, "Black mates", GE_FILE);
10863 GameEnds(WhiteWins, "White mates", GE_FILE);
10867 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10873 case PositionDiagram: /* should not happen; ignore */
10874 case ElapsedTime: /* ignore */
10875 case NAG: /* ignore */
10876 if (appData.debugMode)
10877 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10878 yy_text, (int) moveType);
10879 return LoadGameOneMove(EndOfFile); /* tail recursion */
10882 if (appData.testLegality) {
10883 if (appData.debugMode)
10884 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10885 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10886 (forwardMostMove / 2) + 1,
10887 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10888 DisplayError(move, 0);
10891 if (appData.debugMode)
10892 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10893 yy_text, currentMoveString);
10894 fromX = currentMoveString[0] - AAA;
10895 fromY = currentMoveString[1] - ONE;
10896 toX = currentMoveString[2] - AAA;
10897 toY = currentMoveString[3] - ONE;
10898 promoChar = currentMoveString[4];
10902 case AmbiguousMove:
10903 if (appData.debugMode)
10904 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10905 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10906 (forwardMostMove / 2) + 1,
10907 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10908 DisplayError(move, 0);
10913 case ImpossibleMove:
10914 if (appData.debugMode)
10915 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10916 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10917 (forwardMostMove / 2) + 1,
10918 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10919 DisplayError(move, 0);
10925 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10926 DrawPosition(FALSE, boards[currentMove]);
10927 DisplayBothClocks();
10928 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10929 DisplayComment(currentMove - 1, commentList[currentMove]);
10931 (void) StopLoadGameTimer();
10933 cmailOldMove = forwardMostMove;
10936 /* currentMoveString is set as a side-effect of yylex */
10938 thinkOutput[0] = NULLCHAR;
10939 MakeMove(fromX, fromY, toX, toY, promoChar);
10940 currentMove = forwardMostMove;
10945 /* Load the nth game from the given file */
10947 LoadGameFromFile (char *filename, int n, char *title, int useList)
10952 if (strcmp(filename, "-") == 0) {
10956 f = fopen(filename, "rb");
10958 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10959 DisplayError(buf, errno);
10963 if (fseek(f, 0, 0) == -1) {
10964 /* f is not seekable; probably a pipe */
10967 if (useList && n == 0) {
10968 int error = GameListBuild(f);
10970 DisplayError(_("Cannot build game list"), error);
10971 } else if (!ListEmpty(&gameList) &&
10972 ((ListGame *) gameList.tailPred)->number > 1) {
10973 GameListPopUp(f, title);
10980 return LoadGame(f, n, title, FALSE);
10985 MakeRegisteredMove ()
10987 int fromX, fromY, toX, toY;
10989 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
10990 switch (cmailMoveType[lastLoadGameNumber - 1]) {
10993 if (appData.debugMode)
10994 fprintf(debugFP, "Restoring %s for game %d\n",
10995 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
10997 thinkOutput[0] = NULLCHAR;
10998 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
10999 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11000 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11001 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11002 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11003 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11004 MakeMove(fromX, fromY, toX, toY, promoChar);
11005 ShowMove(fromX, fromY, toX, toY);
11007 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11014 if (WhiteOnMove(currentMove)) {
11015 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11017 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11022 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11029 if (WhiteOnMove(currentMove)) {
11030 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11032 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11037 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11048 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11050 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11054 if (gameNumber > nCmailGames) {
11055 DisplayError(_("No more games in this message"), 0);
11058 if (f == lastLoadGameFP) {
11059 int offset = gameNumber - lastLoadGameNumber;
11061 cmailMsg[0] = NULLCHAR;
11062 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11063 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11064 nCmailMovesRegistered--;
11066 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11067 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11068 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11071 if (! RegisterMove()) return FALSE;
11075 retVal = LoadGame(f, gameNumber, title, useList);
11077 /* Make move registered during previous look at this game, if any */
11078 MakeRegisteredMove();
11080 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11081 commentList[currentMove]
11082 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11083 DisplayComment(currentMove - 1, commentList[currentMove]);
11089 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11091 ReloadGame (int offset)
11093 int gameNumber = lastLoadGameNumber + offset;
11094 if (lastLoadGameFP == NULL) {
11095 DisplayError(_("No game has been loaded yet"), 0);
11098 if (gameNumber <= 0) {
11099 DisplayError(_("Can't back up any further"), 0);
11102 if (cmailMsgLoaded) {
11103 return CmailLoadGame(lastLoadGameFP, gameNumber,
11104 lastLoadGameTitle, lastLoadGameUseList);
11106 return LoadGame(lastLoadGameFP, gameNumber,
11107 lastLoadGameTitle, lastLoadGameUseList);
11111 int keys[EmptySquare+1];
11114 PositionMatches (Board b1, Board b2)
11117 switch(appData.searchMode) {
11118 case 1: return CompareWithRights(b1, b2);
11120 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11121 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11125 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11126 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11127 sum += keys[b1[r][f]] - keys[b2[r][f]];
11131 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11132 sum += keys[b1[r][f]] - keys[b2[r][f]];
11144 int pieceList[256], quickBoard[256];
11145 ChessSquare pieceType[256] = { EmptySquare };
11146 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11147 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11148 int soughtTotal, turn;
11149 Boolean epOK, flipSearch;
11152 unsigned char piece, to;
11155 #define DSIZE (250000)
11157 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11158 Move *moveDatabase = initialSpace;
11159 unsigned int movePtr, dataSize = DSIZE;
11162 MakePieceList (Board board, int *counts)
11164 int r, f, n=Q_PROMO, total=0;
11165 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11166 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11167 int sq = f + (r<<4);
11168 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11169 quickBoard[sq] = ++n;
11171 pieceType[n] = board[r][f];
11172 counts[board[r][f]]++;
11173 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11174 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11178 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11183 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11185 int sq = fromX + (fromY<<4);
11186 int piece = quickBoard[sq];
11187 quickBoard[sq] = 0;
11188 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11189 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11190 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11191 moveDatabase[movePtr++].piece = Q_WCASTL;
11192 quickBoard[sq] = piece;
11193 piece = quickBoard[from]; quickBoard[from] = 0;
11194 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11196 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11197 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11198 moveDatabase[movePtr++].piece = Q_BCASTL;
11199 quickBoard[sq] = piece;
11200 piece = quickBoard[from]; quickBoard[from] = 0;
11201 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11203 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11204 quickBoard[(fromY<<4)+toX] = 0;
11205 moveDatabase[movePtr].piece = Q_EP;
11206 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11207 moveDatabase[movePtr].to = sq;
11209 if(promoPiece != pieceType[piece]) {
11210 moveDatabase[movePtr++].piece = Q_PROMO;
11211 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11213 moveDatabase[movePtr].piece = piece;
11214 quickBoard[sq] = piece;
11219 PackGame (Board board)
11221 Move *newSpace = NULL;
11222 moveDatabase[movePtr].piece = 0; // terminate previous game
11223 if(movePtr > dataSize) {
11224 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11225 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11226 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11229 Move *p = moveDatabase, *q = newSpace;
11230 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11231 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11232 moveDatabase = newSpace;
11233 } else { // calloc failed, we must be out of memory. Too bad...
11234 dataSize = 0; // prevent calloc events for all subsequent games
11235 return 0; // and signal this one isn't cached
11239 MakePieceList(board, counts);
11244 QuickCompare (Board board, int *minCounts, int *maxCounts)
11245 { // compare according to search mode
11247 switch(appData.searchMode)
11249 case 1: // exact position match
11250 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11251 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11252 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11255 case 2: // can have extra material on empty squares
11256 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11257 if(board[r][f] == EmptySquare) continue;
11258 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11261 case 3: // material with exact Pawn structure
11262 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11263 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11264 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11265 } // fall through to material comparison
11266 case 4: // exact material
11267 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11269 case 6: // material range with given imbalance
11270 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11271 // fall through to range comparison
11272 case 5: // material range
11273 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11279 QuickScan (Board board, Move *move)
11280 { // reconstruct game,and compare all positions in it
11281 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11283 int piece = move->piece;
11284 int to = move->to, from = pieceList[piece];
11285 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11286 if(!piece) return -1;
11287 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11288 piece = (++move)->piece;
11289 from = pieceList[piece];
11290 counts[pieceType[piece]]--;
11291 pieceType[piece] = (ChessSquare) move->to;
11292 counts[move->to]++;
11293 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11294 counts[pieceType[quickBoard[to]]]--;
11295 quickBoard[to] = 0; total--;
11298 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11299 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11300 from = pieceList[piece]; // so this must be King
11301 quickBoard[from] = 0;
11302 quickBoard[to] = piece;
11303 pieceList[piece] = to;
11308 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11309 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11310 quickBoard[from] = 0;
11311 quickBoard[to] = piece;
11312 pieceList[piece] = to;
11314 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11315 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11316 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11317 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11319 static int lastCounts[EmptySquare+1];
11321 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11322 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11323 } else stretch = 0;
11324 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11333 flipSearch = FALSE;
11334 CopyBoard(soughtBoard, boards[currentMove]);
11335 soughtTotal = MakePieceList(soughtBoard, maxSought);
11336 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11337 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11338 CopyBoard(reverseBoard, boards[currentMove]);
11339 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11340 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11341 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11342 reverseBoard[r][f] = piece;
11344 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11345 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11346 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11347 || (boards[currentMove][CASTLING][2] == NoRights ||
11348 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11349 && (boards[currentMove][CASTLING][5] == NoRights ||
11350 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11353 CopyBoard(flipBoard, soughtBoard);
11354 CopyBoard(rotateBoard, reverseBoard);
11355 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11356 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11357 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11360 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11361 if(appData.searchMode >= 5) {
11362 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11363 MakePieceList(soughtBoard, minSought);
11364 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11366 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11367 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11370 GameInfo dummyInfo;
11373 GameContainsPosition (FILE *f, ListGame *lg)
11375 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11376 int fromX, fromY, toX, toY;
11378 static int initDone=FALSE;
11380 // weed out games based on numerical tag comparison
11381 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11382 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11383 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11384 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11386 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11389 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11390 else CopyBoard(boards[scratch], initialPosition); // default start position
11393 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11394 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11397 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11398 fseek(f, lg->offset, 0);
11401 yyboardindex = scratch;
11402 quickFlag = plyNr+1;
11407 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11413 if(plyNr) return -1; // after we have seen moves, this is for new game
11416 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11417 case ImpossibleMove:
11418 case WhiteWins: // game ends here with these four
11421 case GameUnfinished:
11425 if(appData.testLegality) return -1;
11426 case WhiteCapturesEnPassant:
11427 case BlackCapturesEnPassant:
11428 case WhitePromotion:
11429 case BlackPromotion:
11430 case WhiteNonPromotion:
11431 case BlackNonPromotion:
11433 case WhiteKingSideCastle:
11434 case WhiteQueenSideCastle:
11435 case BlackKingSideCastle:
11436 case BlackQueenSideCastle:
11437 case WhiteKingSideCastleWild:
11438 case WhiteQueenSideCastleWild:
11439 case BlackKingSideCastleWild:
11440 case BlackQueenSideCastleWild:
11441 case WhiteHSideCastleFR:
11442 case WhiteASideCastleFR:
11443 case BlackHSideCastleFR:
11444 case BlackASideCastleFR:
11445 fromX = currentMoveString[0] - AAA;
11446 fromY = currentMoveString[1] - ONE;
11447 toX = currentMoveString[2] - AAA;
11448 toY = currentMoveString[3] - ONE;
11449 promoChar = currentMoveString[4];
11453 fromX = next == WhiteDrop ?
11454 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11455 (int) CharToPiece(ToLower(currentMoveString[0]));
11457 toX = currentMoveString[2] - AAA;
11458 toY = currentMoveString[3] - ONE;
11462 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11464 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11465 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11466 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11467 if(appData.findMirror) {
11468 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11469 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11474 /* Load the nth game from open file f */
11476 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11480 int gn = gameNumber;
11481 ListGame *lg = NULL;
11482 int numPGNTags = 0;
11484 GameMode oldGameMode;
11485 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11487 if (appData.debugMode)
11488 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11490 if (gameMode == Training )
11491 SetTrainingModeOff();
11493 oldGameMode = gameMode;
11494 if (gameMode != BeginningOfGame) {
11495 Reset(FALSE, TRUE);
11499 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11500 fclose(lastLoadGameFP);
11504 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11507 fseek(f, lg->offset, 0);
11508 GameListHighlight(gameNumber);
11509 pos = lg->position;
11513 DisplayError(_("Game number out of range"), 0);
11518 if (fseek(f, 0, 0) == -1) {
11519 if (f == lastLoadGameFP ?
11520 gameNumber == lastLoadGameNumber + 1 :
11524 DisplayError(_("Can't seek on game file"), 0);
11529 lastLoadGameFP = f;
11530 lastLoadGameNumber = gameNumber;
11531 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11532 lastLoadGameUseList = useList;
11536 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11537 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11538 lg->gameInfo.black);
11540 } else if (*title != NULLCHAR) {
11541 if (gameNumber > 1) {
11542 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11545 DisplayTitle(title);
11549 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11550 gameMode = PlayFromGameFile;
11554 currentMove = forwardMostMove = backwardMostMove = 0;
11555 CopyBoard(boards[0], initialPosition);
11559 * Skip the first gn-1 games in the file.
11560 * Also skip over anything that precedes an identifiable
11561 * start of game marker, to avoid being confused by
11562 * garbage at the start of the file. Currently
11563 * recognized start of game markers are the move number "1",
11564 * the pattern "gnuchess .* game", the pattern
11565 * "^[#;%] [^ ]* game file", and a PGN tag block.
11566 * A game that starts with one of the latter two patterns
11567 * will also have a move number 1, possibly
11568 * following a position diagram.
11569 * 5-4-02: Let's try being more lenient and allowing a game to
11570 * start with an unnumbered move. Does that break anything?
11572 cm = lastLoadGameStart = EndOfFile;
11574 yyboardindex = forwardMostMove;
11575 cm = (ChessMove) Myylex();
11578 if (cmailMsgLoaded) {
11579 nCmailGames = CMAIL_MAX_GAMES - gn;
11582 DisplayError(_("Game not found in file"), 0);
11589 lastLoadGameStart = cm;
11592 case MoveNumberOne:
11593 switch (lastLoadGameStart) {
11598 case MoveNumberOne:
11600 gn--; /* count this game */
11601 lastLoadGameStart = cm;
11610 switch (lastLoadGameStart) {
11613 case MoveNumberOne:
11615 gn--; /* count this game */
11616 lastLoadGameStart = cm;
11619 lastLoadGameStart = cm; /* game counted already */
11627 yyboardindex = forwardMostMove;
11628 cm = (ChessMove) Myylex();
11629 } while (cm == PGNTag || cm == Comment);
11636 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11637 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11638 != CMAIL_OLD_RESULT) {
11640 cmailResult[ CMAIL_MAX_GAMES
11641 - gn - 1] = CMAIL_OLD_RESULT;
11647 /* Only a NormalMove can be at the start of a game
11648 * without a position diagram. */
11649 if (lastLoadGameStart == EndOfFile ) {
11651 lastLoadGameStart = MoveNumberOne;
11660 if (appData.debugMode)
11661 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11663 if (cm == XBoardGame) {
11664 /* Skip any header junk before position diagram and/or move 1 */
11666 yyboardindex = forwardMostMove;
11667 cm = (ChessMove) Myylex();
11669 if (cm == EndOfFile ||
11670 cm == GNUChessGame || cm == XBoardGame) {
11671 /* Empty game; pretend end-of-file and handle later */
11676 if (cm == MoveNumberOne || cm == PositionDiagram ||
11677 cm == PGNTag || cm == Comment)
11680 } else if (cm == GNUChessGame) {
11681 if (gameInfo.event != NULL) {
11682 free(gameInfo.event);
11684 gameInfo.event = StrSave(yy_text);
11687 startedFromSetupPosition = FALSE;
11688 while (cm == PGNTag) {
11689 if (appData.debugMode)
11690 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11691 err = ParsePGNTag(yy_text, &gameInfo);
11692 if (!err) numPGNTags++;
11694 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11695 if(gameInfo.variant != oldVariant) {
11696 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11697 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11698 InitPosition(TRUE);
11699 oldVariant = gameInfo.variant;
11700 if (appData.debugMode)
11701 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11705 if (gameInfo.fen != NULL) {
11706 Board initial_position;
11707 startedFromSetupPosition = TRUE;
11708 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11710 DisplayError(_("Bad FEN position in file"), 0);
11713 CopyBoard(boards[0], initial_position);
11714 if (blackPlaysFirst) {
11715 currentMove = forwardMostMove = backwardMostMove = 1;
11716 CopyBoard(boards[1], initial_position);
11717 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11718 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11719 timeRemaining[0][1] = whiteTimeRemaining;
11720 timeRemaining[1][1] = blackTimeRemaining;
11721 if (commentList[0] != NULL) {
11722 commentList[1] = commentList[0];
11723 commentList[0] = NULL;
11726 currentMove = forwardMostMove = backwardMostMove = 0;
11728 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11730 initialRulePlies = FENrulePlies;
11731 for( i=0; i< nrCastlingRights; i++ )
11732 initialRights[i] = initial_position[CASTLING][i];
11734 yyboardindex = forwardMostMove;
11735 free(gameInfo.fen);
11736 gameInfo.fen = NULL;
11739 yyboardindex = forwardMostMove;
11740 cm = (ChessMove) Myylex();
11742 /* Handle comments interspersed among the tags */
11743 while (cm == Comment) {
11745 if (appData.debugMode)
11746 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11748 AppendComment(currentMove, p, FALSE);
11749 yyboardindex = forwardMostMove;
11750 cm = (ChessMove) Myylex();
11754 /* don't rely on existence of Event tag since if game was
11755 * pasted from clipboard the Event tag may not exist
11757 if (numPGNTags > 0){
11759 if (gameInfo.variant == VariantNormal) {
11760 VariantClass v = StringToVariant(gameInfo.event);
11761 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11762 if(v < VariantShogi) gameInfo.variant = v;
11765 if( appData.autoDisplayTags ) {
11766 tags = PGNTags(&gameInfo);
11767 TagsPopUp(tags, CmailMsg());
11772 /* Make something up, but don't display it now */
11777 if (cm == PositionDiagram) {
11780 Board initial_position;
11782 if (appData.debugMode)
11783 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11785 if (!startedFromSetupPosition) {
11787 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11788 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11799 initial_position[i][j++] = CharToPiece(*p);
11802 while (*p == ' ' || *p == '\t' ||
11803 *p == '\n' || *p == '\r') p++;
11805 if (strncmp(p, "black", strlen("black"))==0)
11806 blackPlaysFirst = TRUE;
11808 blackPlaysFirst = FALSE;
11809 startedFromSetupPosition = TRUE;
11811 CopyBoard(boards[0], initial_position);
11812 if (blackPlaysFirst) {
11813 currentMove = forwardMostMove = backwardMostMove = 1;
11814 CopyBoard(boards[1], initial_position);
11815 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11816 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11817 timeRemaining[0][1] = whiteTimeRemaining;
11818 timeRemaining[1][1] = blackTimeRemaining;
11819 if (commentList[0] != NULL) {
11820 commentList[1] = commentList[0];
11821 commentList[0] = NULL;
11824 currentMove = forwardMostMove = backwardMostMove = 0;
11827 yyboardindex = forwardMostMove;
11828 cm = (ChessMove) Myylex();
11831 if (first.pr == NoProc) {
11832 StartChessProgram(&first);
11834 InitChessProgram(&first, FALSE);
11835 SendToProgram("force\n", &first);
11836 if (startedFromSetupPosition) {
11837 SendBoard(&first, forwardMostMove);
11838 if (appData.debugMode) {
11839 fprintf(debugFP, "Load Game\n");
11841 DisplayBothClocks();
11844 /* [HGM] server: flag to write setup moves in broadcast file as one */
11845 loadFlag = appData.suppressLoadMoves;
11847 while (cm == Comment) {
11849 if (appData.debugMode)
11850 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11852 AppendComment(currentMove, p, FALSE);
11853 yyboardindex = forwardMostMove;
11854 cm = (ChessMove) Myylex();
11857 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11858 cm == WhiteWins || cm == BlackWins ||
11859 cm == GameIsDrawn || cm == GameUnfinished) {
11860 DisplayMessage("", _("No moves in game"));
11861 if (cmailMsgLoaded) {
11862 if (appData.debugMode)
11863 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11867 DrawPosition(FALSE, boards[currentMove]);
11868 DisplayBothClocks();
11869 gameMode = EditGame;
11876 // [HGM] PV info: routine tests if comment empty
11877 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11878 DisplayComment(currentMove - 1, commentList[currentMove]);
11880 if (!matchMode && appData.timeDelay != 0)
11881 DrawPosition(FALSE, boards[currentMove]);
11883 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11884 programStats.ok_to_send = 1;
11887 /* if the first token after the PGN tags is a move
11888 * and not move number 1, retrieve it from the parser
11890 if (cm != MoveNumberOne)
11891 LoadGameOneMove(cm);
11893 /* load the remaining moves from the file */
11894 while (LoadGameOneMove(EndOfFile)) {
11895 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11896 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11899 /* rewind to the start of the game */
11900 currentMove = backwardMostMove;
11902 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11904 if (oldGameMode == AnalyzeFile ||
11905 oldGameMode == AnalyzeMode) {
11906 AnalyzeFileEvent();
11909 if (!matchMode && pos >= 0) {
11910 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11912 if (matchMode || appData.timeDelay == 0) {
11914 } else if (appData.timeDelay > 0) {
11915 AutoPlayGameLoop();
11918 if (appData.debugMode)
11919 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11921 loadFlag = 0; /* [HGM] true game starts */
11925 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11927 ReloadPosition (int offset)
11929 int positionNumber = lastLoadPositionNumber + offset;
11930 if (lastLoadPositionFP == NULL) {
11931 DisplayError(_("No position has been loaded yet"), 0);
11934 if (positionNumber <= 0) {
11935 DisplayError(_("Can't back up any further"), 0);
11938 return LoadPosition(lastLoadPositionFP, positionNumber,
11939 lastLoadPositionTitle);
11942 /* Load the nth position from the given file */
11944 LoadPositionFromFile (char *filename, int n, char *title)
11949 if (strcmp(filename, "-") == 0) {
11950 return LoadPosition(stdin, n, "stdin");
11952 f = fopen(filename, "rb");
11954 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11955 DisplayError(buf, errno);
11958 return LoadPosition(f, n, title);
11963 /* Load the nth position from the given open file, and close it */
11965 LoadPosition (FILE *f, int positionNumber, char *title)
11967 char *p, line[MSG_SIZ];
11968 Board initial_position;
11969 int i, j, fenMode, pn;
11971 if (gameMode == Training )
11972 SetTrainingModeOff();
11974 if (gameMode != BeginningOfGame) {
11975 Reset(FALSE, TRUE);
11977 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
11978 fclose(lastLoadPositionFP);
11980 if (positionNumber == 0) positionNumber = 1;
11981 lastLoadPositionFP = f;
11982 lastLoadPositionNumber = positionNumber;
11983 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
11984 if (first.pr == NoProc && !appData.noChessProgram) {
11985 StartChessProgram(&first);
11986 InitChessProgram(&first, FALSE);
11988 pn = positionNumber;
11989 if (positionNumber < 0) {
11990 /* Negative position number means to seek to that byte offset */
11991 if (fseek(f, -positionNumber, 0) == -1) {
11992 DisplayError(_("Can't seek on position file"), 0);
11997 if (fseek(f, 0, 0) == -1) {
11998 if (f == lastLoadPositionFP ?
11999 positionNumber == lastLoadPositionNumber + 1 :
12000 positionNumber == 1) {
12003 DisplayError(_("Can't seek on position file"), 0);
12008 /* See if this file is FEN or old-style xboard */
12009 if (fgets(line, MSG_SIZ, f) == NULL) {
12010 DisplayError(_("Position not found in file"), 0);
12013 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12014 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12017 if (fenMode || line[0] == '#') pn--;
12019 /* skip positions before number pn */
12020 if (fgets(line, MSG_SIZ, f) == NULL) {
12022 DisplayError(_("Position not found in file"), 0);
12025 if (fenMode || line[0] == '#') pn--;
12030 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12031 DisplayError(_("Bad FEN position in file"), 0);
12035 (void) fgets(line, MSG_SIZ, f);
12036 (void) fgets(line, MSG_SIZ, f);
12038 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12039 (void) fgets(line, MSG_SIZ, f);
12040 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12043 initial_position[i][j++] = CharToPiece(*p);
12047 blackPlaysFirst = FALSE;
12049 (void) fgets(line, MSG_SIZ, f);
12050 if (strncmp(line, "black", strlen("black"))==0)
12051 blackPlaysFirst = TRUE;
12054 startedFromSetupPosition = TRUE;
12056 CopyBoard(boards[0], initial_position);
12057 if (blackPlaysFirst) {
12058 currentMove = forwardMostMove = backwardMostMove = 1;
12059 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12060 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12061 CopyBoard(boards[1], initial_position);
12062 DisplayMessage("", _("Black to play"));
12064 currentMove = forwardMostMove = backwardMostMove = 0;
12065 DisplayMessage("", _("White to play"));
12067 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12068 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12069 SendToProgram("force\n", &first);
12070 SendBoard(&first, forwardMostMove);
12072 if (appData.debugMode) {
12074 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12075 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12076 fprintf(debugFP, "Load Position\n");
12079 if (positionNumber > 1) {
12080 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12081 DisplayTitle(line);
12083 DisplayTitle(title);
12085 gameMode = EditGame;
12088 timeRemaining[0][1] = whiteTimeRemaining;
12089 timeRemaining[1][1] = blackTimeRemaining;
12090 DrawPosition(FALSE, boards[currentMove]);
12097 CopyPlayerNameIntoFileName (char **dest, char *src)
12099 while (*src != NULLCHAR && *src != ',') {
12104 *(*dest)++ = *src++;
12110 DefaultFileName (char *ext)
12112 static char def[MSG_SIZ];
12115 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12117 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12119 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12121 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12128 /* Save the current game to the given file */
12130 SaveGameToFile (char *filename, int append)
12134 int result, i, t,tot=0;
12136 if (strcmp(filename, "-") == 0) {
12137 return SaveGame(stdout, 0, NULL);
12139 for(i=0; i<10; i++) { // upto 10 tries
12140 f = fopen(filename, append ? "a" : "w");
12141 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12142 if(f || errno != 13) break;
12143 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12147 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12148 DisplayError(buf, errno);
12151 safeStrCpy(buf, lastMsg, MSG_SIZ);
12152 DisplayMessage(_("Waiting for access to save file"), "");
12153 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12154 DisplayMessage(_("Saving game"), "");
12155 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12156 result = SaveGame(f, 0, NULL);
12157 DisplayMessage(buf, "");
12164 SavePart (char *str)
12166 static char buf[MSG_SIZ];
12169 p = strchr(str, ' ');
12170 if (p == NULL) return str;
12171 strncpy(buf, str, p - str);
12172 buf[p - str] = NULLCHAR;
12176 #define PGN_MAX_LINE 75
12178 #define PGN_SIDE_WHITE 0
12179 #define PGN_SIDE_BLACK 1
12182 FindFirstMoveOutOfBook (int side)
12186 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12187 int index = backwardMostMove;
12188 int has_book_hit = 0;
12190 if( (index % 2) != side ) {
12194 while( index < forwardMostMove ) {
12195 /* Check to see if engine is in book */
12196 int depth = pvInfoList[index].depth;
12197 int score = pvInfoList[index].score;
12203 else if( score == 0 && depth == 63 ) {
12204 in_book = 1; /* Zappa */
12206 else if( score == 2 && depth == 99 ) {
12207 in_book = 1; /* Abrok */
12210 has_book_hit += in_book;
12226 GetOutOfBookInfo (char * buf)
12230 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12232 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12233 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12237 if( oob[0] >= 0 || oob[1] >= 0 ) {
12238 for( i=0; i<2; i++ ) {
12242 if( i > 0 && oob[0] >= 0 ) {
12243 strcat( buf, " " );
12246 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12247 sprintf( buf+strlen(buf), "%s%.2f",
12248 pvInfoList[idx].score >= 0 ? "+" : "",
12249 pvInfoList[idx].score / 100.0 );
12255 /* Save game in PGN style and close the file */
12257 SaveGamePGN (FILE *f)
12259 int i, offset, linelen, newblock;
12263 int movelen, numlen, blank;
12264 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12266 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12268 tm = time((time_t *) NULL);
12270 PrintPGNTags(f, &gameInfo);
12272 if (backwardMostMove > 0 || startedFromSetupPosition) {
12273 char *fen = PositionToFEN(backwardMostMove, NULL);
12274 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12275 fprintf(f, "\n{--------------\n");
12276 PrintPosition(f, backwardMostMove);
12277 fprintf(f, "--------------}\n");
12281 /* [AS] Out of book annotation */
12282 if( appData.saveOutOfBookInfo ) {
12285 GetOutOfBookInfo( buf );
12287 if( buf[0] != '\0' ) {
12288 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12295 i = backwardMostMove;
12299 while (i < forwardMostMove) {
12300 /* Print comments preceding this move */
12301 if (commentList[i] != NULL) {
12302 if (linelen > 0) fprintf(f, "\n");
12303 fprintf(f, "%s", commentList[i]);
12308 /* Format move number */
12310 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12313 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12315 numtext[0] = NULLCHAR;
12317 numlen = strlen(numtext);
12320 /* Print move number */
12321 blank = linelen > 0 && numlen > 0;
12322 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12331 fprintf(f, "%s", numtext);
12335 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12336 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12339 blank = linelen > 0 && movelen > 0;
12340 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12349 fprintf(f, "%s", move_buffer);
12350 linelen += movelen;
12352 /* [AS] Add PV info if present */
12353 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12354 /* [HGM] add time */
12355 char buf[MSG_SIZ]; int seconds;
12357 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12363 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12366 seconds = (seconds + 4)/10; // round to full seconds
12368 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12370 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12373 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12374 pvInfoList[i].score >= 0 ? "+" : "",
12375 pvInfoList[i].score / 100.0,
12376 pvInfoList[i].depth,
12379 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12381 /* Print score/depth */
12382 blank = linelen > 0 && movelen > 0;
12383 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12392 fprintf(f, "%s", move_buffer);
12393 linelen += movelen;
12399 /* Start a new line */
12400 if (linelen > 0) fprintf(f, "\n");
12402 /* Print comments after last move */
12403 if (commentList[i] != NULL) {
12404 fprintf(f, "%s\n", commentList[i]);
12408 if (gameInfo.resultDetails != NULL &&
12409 gameInfo.resultDetails[0] != NULLCHAR) {
12410 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12411 PGNResult(gameInfo.result));
12413 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12417 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12421 /* Save game in old style and close the file */
12423 SaveGameOldStyle (FILE *f)
12428 tm = time((time_t *) NULL);
12430 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12433 if (backwardMostMove > 0 || startedFromSetupPosition) {
12434 fprintf(f, "\n[--------------\n");
12435 PrintPosition(f, backwardMostMove);
12436 fprintf(f, "--------------]\n");
12441 i = backwardMostMove;
12442 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12444 while (i < forwardMostMove) {
12445 if (commentList[i] != NULL) {
12446 fprintf(f, "[%s]\n", commentList[i]);
12449 if ((i % 2) == 1) {
12450 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12453 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12455 if (commentList[i] != NULL) {
12459 if (i >= forwardMostMove) {
12463 fprintf(f, "%s\n", parseList[i]);
12468 if (commentList[i] != NULL) {
12469 fprintf(f, "[%s]\n", commentList[i]);
12472 /* This isn't really the old style, but it's close enough */
12473 if (gameInfo.resultDetails != NULL &&
12474 gameInfo.resultDetails[0] != NULLCHAR) {
12475 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12476 gameInfo.resultDetails);
12478 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12485 /* Save the current game to open file f and close the file */
12487 SaveGame (FILE *f, int dummy, char *dummy2)
12489 if (gameMode == EditPosition) EditPositionDone(TRUE);
12490 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12491 if (appData.oldSaveStyle)
12492 return SaveGameOldStyle(f);
12494 return SaveGamePGN(f);
12497 /* Save the current position to the given file */
12499 SavePositionToFile (char *filename)
12504 if (strcmp(filename, "-") == 0) {
12505 return SavePosition(stdout, 0, NULL);
12507 f = fopen(filename, "a");
12509 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12510 DisplayError(buf, errno);
12513 safeStrCpy(buf, lastMsg, MSG_SIZ);
12514 DisplayMessage(_("Waiting for access to save file"), "");
12515 flock(fileno(f), LOCK_EX); // [HGM] lock
12516 DisplayMessage(_("Saving position"), "");
12517 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12518 SavePosition(f, 0, NULL);
12519 DisplayMessage(buf, "");
12525 /* Save the current position to the given open file and close the file */
12527 SavePosition (FILE *f, int dummy, char *dummy2)
12532 if (gameMode == EditPosition) EditPositionDone(TRUE);
12533 if (appData.oldSaveStyle) {
12534 tm = time((time_t *) NULL);
12536 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12538 fprintf(f, "[--------------\n");
12539 PrintPosition(f, currentMove);
12540 fprintf(f, "--------------]\n");
12542 fen = PositionToFEN(currentMove, NULL);
12543 fprintf(f, "%s\n", fen);
12551 ReloadCmailMsgEvent (int unregister)
12554 static char *inFilename = NULL;
12555 static char *outFilename;
12557 struct stat inbuf, outbuf;
12560 /* Any registered moves are unregistered if unregister is set, */
12561 /* i.e. invoked by the signal handler */
12563 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12564 cmailMoveRegistered[i] = FALSE;
12565 if (cmailCommentList[i] != NULL) {
12566 free(cmailCommentList[i]);
12567 cmailCommentList[i] = NULL;
12570 nCmailMovesRegistered = 0;
12573 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12574 cmailResult[i] = CMAIL_NOT_RESULT;
12578 if (inFilename == NULL) {
12579 /* Because the filenames are static they only get malloced once */
12580 /* and they never get freed */
12581 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12582 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12584 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12585 sprintf(outFilename, "%s.out", appData.cmailGameName);
12588 status = stat(outFilename, &outbuf);
12590 cmailMailedMove = FALSE;
12592 status = stat(inFilename, &inbuf);
12593 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12596 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12597 counts the games, notes how each one terminated, etc.
12599 It would be nice to remove this kludge and instead gather all
12600 the information while building the game list. (And to keep it
12601 in the game list nodes instead of having a bunch of fixed-size
12602 parallel arrays.) Note this will require getting each game's
12603 termination from the PGN tags, as the game list builder does
12604 not process the game moves. --mann
12606 cmailMsgLoaded = TRUE;
12607 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12609 /* Load first game in the file or popup game menu */
12610 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12612 #endif /* !WIN32 */
12620 char string[MSG_SIZ];
12622 if ( cmailMailedMove
12623 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12624 return TRUE; /* Allow free viewing */
12627 /* Unregister move to ensure that we don't leave RegisterMove */
12628 /* with the move registered when the conditions for registering no */
12630 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12631 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12632 nCmailMovesRegistered --;
12634 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12636 free(cmailCommentList[lastLoadGameNumber - 1]);
12637 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12641 if (cmailOldMove == -1) {
12642 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12646 if (currentMove > cmailOldMove + 1) {
12647 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12651 if (currentMove < cmailOldMove) {
12652 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12656 if (forwardMostMove > currentMove) {
12657 /* Silently truncate extra moves */
12661 if ( (currentMove == cmailOldMove + 1)
12662 || ( (currentMove == cmailOldMove)
12663 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12664 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12665 if (gameInfo.result != GameUnfinished) {
12666 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12669 if (commentList[currentMove] != NULL) {
12670 cmailCommentList[lastLoadGameNumber - 1]
12671 = StrSave(commentList[currentMove]);
12673 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12675 if (appData.debugMode)
12676 fprintf(debugFP, "Saving %s for game %d\n",
12677 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12679 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12681 f = fopen(string, "w");
12682 if (appData.oldSaveStyle) {
12683 SaveGameOldStyle(f); /* also closes the file */
12685 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12686 f = fopen(string, "w");
12687 SavePosition(f, 0, NULL); /* also closes the file */
12689 fprintf(f, "{--------------\n");
12690 PrintPosition(f, currentMove);
12691 fprintf(f, "--------------}\n\n");
12693 SaveGame(f, 0, NULL); /* also closes the file*/
12696 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12697 nCmailMovesRegistered ++;
12698 } else if (nCmailGames == 1) {
12699 DisplayError(_("You have not made a move yet"), 0);
12710 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12711 FILE *commandOutput;
12712 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12713 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12719 if (! cmailMsgLoaded) {
12720 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12724 if (nCmailGames == nCmailResults) {
12725 DisplayError(_("No unfinished games"), 0);
12729 #if CMAIL_PROHIBIT_REMAIL
12730 if (cmailMailedMove) {
12731 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);
12732 DisplayError(msg, 0);
12737 if (! (cmailMailedMove || RegisterMove())) return;
12739 if ( cmailMailedMove
12740 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12741 snprintf(string, MSG_SIZ, partCommandString,
12742 appData.debugMode ? " -v" : "", appData.cmailGameName);
12743 commandOutput = popen(string, "r");
12745 if (commandOutput == NULL) {
12746 DisplayError(_("Failed to invoke cmail"), 0);
12748 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12749 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12751 if (nBuffers > 1) {
12752 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12753 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12754 nBytes = MSG_SIZ - 1;
12756 (void) memcpy(msg, buffer, nBytes);
12758 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12760 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12761 cmailMailedMove = TRUE; /* Prevent >1 moves */
12764 for (i = 0; i < nCmailGames; i ++) {
12765 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12770 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12772 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12774 appData.cmailGameName,
12776 LoadGameFromFile(buffer, 1, buffer, FALSE);
12777 cmailMsgLoaded = FALSE;
12781 DisplayInformation(msg);
12782 pclose(commandOutput);
12785 if ((*cmailMsg) != '\0') {
12786 DisplayInformation(cmailMsg);
12791 #endif /* !WIN32 */
12800 int prependComma = 0;
12802 char string[MSG_SIZ]; /* Space for game-list */
12805 if (!cmailMsgLoaded) return "";
12807 if (cmailMailedMove) {
12808 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12810 /* Create a list of games left */
12811 snprintf(string, MSG_SIZ, "[");
12812 for (i = 0; i < nCmailGames; i ++) {
12813 if (! ( cmailMoveRegistered[i]
12814 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12815 if (prependComma) {
12816 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12818 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12822 strcat(string, number);
12825 strcat(string, "]");
12827 if (nCmailMovesRegistered + nCmailResults == 0) {
12828 switch (nCmailGames) {
12830 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12834 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12838 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12843 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12845 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12850 if (nCmailResults == nCmailGames) {
12851 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12853 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12858 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12870 if (gameMode == Training)
12871 SetTrainingModeOff();
12874 cmailMsgLoaded = FALSE;
12875 if (appData.icsActive) {
12876 SendToICS(ics_prefix);
12877 SendToICS("refresh\n");
12882 ExitEvent (int status)
12886 /* Give up on clean exit */
12890 /* Keep trying for clean exit */
12894 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12896 if (telnetISR != NULL) {
12897 RemoveInputSource(telnetISR);
12899 if (icsPR != NoProc) {
12900 DestroyChildProcess(icsPR, TRUE);
12903 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12904 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12906 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12907 /* make sure this other one finishes before killing it! */
12908 if(endingGame) { int count = 0;
12909 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12910 while(endingGame && count++ < 10) DoSleep(1);
12911 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12914 /* Kill off chess programs */
12915 if (first.pr != NoProc) {
12918 DoSleep( appData.delayBeforeQuit );
12919 SendToProgram("quit\n", &first);
12920 DoSleep( appData.delayAfterQuit );
12921 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12923 if (second.pr != NoProc) {
12924 DoSleep( appData.delayBeforeQuit );
12925 SendToProgram("quit\n", &second);
12926 DoSleep( appData.delayAfterQuit );
12927 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12929 if (first.isr != NULL) {
12930 RemoveInputSource(first.isr);
12932 if (second.isr != NULL) {
12933 RemoveInputSource(second.isr);
12936 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12937 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12939 ShutDownFrontEnd();
12946 if (appData.debugMode)
12947 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12951 if (gameMode == MachinePlaysWhite ||
12952 gameMode == MachinePlaysBlack) {
12955 DisplayBothClocks();
12957 if (gameMode == PlayFromGameFile) {
12958 if (appData.timeDelay >= 0)
12959 AutoPlayGameLoop();
12960 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12961 Reset(FALSE, TRUE);
12962 SendToICS(ics_prefix);
12963 SendToICS("refresh\n");
12964 } else if (currentMove < forwardMostMove) {
12965 ForwardInner(forwardMostMove);
12967 pauseExamInvalid = FALSE;
12969 switch (gameMode) {
12973 pauseExamForwardMostMove = forwardMostMove;
12974 pauseExamInvalid = FALSE;
12977 case IcsPlayingWhite:
12978 case IcsPlayingBlack:
12982 case PlayFromGameFile:
12983 (void) StopLoadGameTimer();
12987 case BeginningOfGame:
12988 if (appData.icsActive) return;
12989 /* else fall through */
12990 case MachinePlaysWhite:
12991 case MachinePlaysBlack:
12992 case TwoMachinesPlay:
12993 if (forwardMostMove == 0)
12994 return; /* don't pause if no one has moved */
12995 if ((gameMode == MachinePlaysWhite &&
12996 !WhiteOnMove(forwardMostMove)) ||
12997 (gameMode == MachinePlaysBlack &&
12998 WhiteOnMove(forwardMostMove))) {
13009 EditCommentEvent ()
13011 char title[MSG_SIZ];
13013 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13014 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13016 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13017 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13018 parseList[currentMove - 1]);
13021 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13028 char *tags = PGNTags(&gameInfo);
13030 EditTagsPopUp(tags, NULL);
13035 AnalyzeModeEvent ()
13037 if (appData.noChessProgram || gameMode == AnalyzeMode)
13040 if (gameMode != AnalyzeFile) {
13041 if (!appData.icsEngineAnalyze) {
13043 if (gameMode != EditGame) return;
13045 ResurrectChessProgram();
13046 SendToProgram("analyze\n", &first);
13047 first.analyzing = TRUE;
13048 /*first.maybeThinking = TRUE;*/
13049 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13050 EngineOutputPopUp();
13052 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13057 StartAnalysisClock();
13058 GetTimeMark(&lastNodeCountTime);
13063 AnalyzeFileEvent ()
13065 if (appData.noChessProgram || gameMode == AnalyzeFile)
13068 if (gameMode != AnalyzeMode) {
13070 if (gameMode != EditGame) return;
13071 ResurrectChessProgram();
13072 SendToProgram("analyze\n", &first);
13073 first.analyzing = TRUE;
13074 /*first.maybeThinking = TRUE;*/
13075 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13076 EngineOutputPopUp();
13078 gameMode = AnalyzeFile;
13083 StartAnalysisClock();
13084 GetTimeMark(&lastNodeCountTime);
13086 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13090 MachineWhiteEvent ()
13093 char *bookHit = NULL;
13095 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13099 if (gameMode == PlayFromGameFile ||
13100 gameMode == TwoMachinesPlay ||
13101 gameMode == Training ||
13102 gameMode == AnalyzeMode ||
13103 gameMode == EndOfGame)
13106 if (gameMode == EditPosition)
13107 EditPositionDone(TRUE);
13109 if (!WhiteOnMove(currentMove)) {
13110 DisplayError(_("It is not White's turn"), 0);
13114 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13117 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13118 gameMode == AnalyzeFile)
13121 ResurrectChessProgram(); /* in case it isn't running */
13122 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13123 gameMode = MachinePlaysWhite;
13126 gameMode = MachinePlaysWhite;
13130 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13132 if (first.sendName) {
13133 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13134 SendToProgram(buf, &first);
13136 if (first.sendTime) {
13137 if (first.useColors) {
13138 SendToProgram("black\n", &first); /*gnu kludge*/
13140 SendTimeRemaining(&first, TRUE);
13142 if (first.useColors) {
13143 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13145 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13146 SetMachineThinkingEnables();
13147 first.maybeThinking = TRUE;
13151 if (appData.autoFlipView && !flipView) {
13152 flipView = !flipView;
13153 DrawPosition(FALSE, NULL);
13154 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13157 if(bookHit) { // [HGM] book: simulate book reply
13158 static char bookMove[MSG_SIZ]; // a bit generous?
13160 programStats.nodes = programStats.depth = programStats.time =
13161 programStats.score = programStats.got_only_move = 0;
13162 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13164 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13165 strcat(bookMove, bookHit);
13166 HandleMachineMove(bookMove, &first);
13171 MachineBlackEvent ()
13174 char *bookHit = NULL;
13176 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13180 if (gameMode == PlayFromGameFile ||
13181 gameMode == TwoMachinesPlay ||
13182 gameMode == Training ||
13183 gameMode == AnalyzeMode ||
13184 gameMode == EndOfGame)
13187 if (gameMode == EditPosition)
13188 EditPositionDone(TRUE);
13190 if (WhiteOnMove(currentMove)) {
13191 DisplayError(_("It is not Black's turn"), 0);
13195 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13198 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13199 gameMode == AnalyzeFile)
13202 ResurrectChessProgram(); /* in case it isn't running */
13203 gameMode = MachinePlaysBlack;
13207 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13209 if (first.sendName) {
13210 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13211 SendToProgram(buf, &first);
13213 if (first.sendTime) {
13214 if (first.useColors) {
13215 SendToProgram("white\n", &first); /*gnu kludge*/
13217 SendTimeRemaining(&first, FALSE);
13219 if (first.useColors) {
13220 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13222 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13223 SetMachineThinkingEnables();
13224 first.maybeThinking = TRUE;
13227 if (appData.autoFlipView && flipView) {
13228 flipView = !flipView;
13229 DrawPosition(FALSE, NULL);
13230 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13232 if(bookHit) { // [HGM] book: simulate book reply
13233 static char bookMove[MSG_SIZ]; // a bit generous?
13235 programStats.nodes = programStats.depth = programStats.time =
13236 programStats.score = programStats.got_only_move = 0;
13237 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13239 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13240 strcat(bookMove, bookHit);
13241 HandleMachineMove(bookMove, &first);
13247 DisplayTwoMachinesTitle ()
13250 if (appData.matchGames > 0) {
13251 if(appData.tourneyFile[0]) {
13252 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13253 gameInfo.white, _("vs."), gameInfo.black,
13254 nextGame+1, appData.matchGames+1,
13255 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13257 if (first.twoMachinesColor[0] == 'w') {
13258 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13259 gameInfo.white, _("vs."), gameInfo.black,
13260 first.matchWins, second.matchWins,
13261 matchGame - 1 - (first.matchWins + second.matchWins));
13263 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13264 gameInfo.white, _("vs."), gameInfo.black,
13265 second.matchWins, first.matchWins,
13266 matchGame - 1 - (first.matchWins + second.matchWins));
13269 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13275 SettingsMenuIfReady ()
13277 if (second.lastPing != second.lastPong) {
13278 DisplayMessage("", _("Waiting for second chess program"));
13279 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13283 DisplayMessage("", "");
13284 SettingsPopUp(&second);
13288 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13291 if (cps->pr == NoProc) {
13292 StartChessProgram(cps);
13293 if (cps->protocolVersion == 1) {
13296 /* kludge: allow timeout for initial "feature" command */
13298 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13299 DisplayMessage("", buf);
13300 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13308 TwoMachinesEvent P((void))
13312 ChessProgramState *onmove;
13313 char *bookHit = NULL;
13314 static int stalling = 0;
13318 if (appData.noChessProgram) return;
13320 switch (gameMode) {
13321 case TwoMachinesPlay:
13323 case MachinePlaysWhite:
13324 case MachinePlaysBlack:
13325 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13326 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13330 case BeginningOfGame:
13331 case PlayFromGameFile:
13334 if (gameMode != EditGame) return;
13337 EditPositionDone(TRUE);
13348 // forwardMostMove = currentMove;
13349 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13351 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13353 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13354 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13355 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13359 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13360 SendToProgram("force\n", &second);
13362 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13365 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13366 if(appData.matchPause>10000 || appData.matchPause<10)
13367 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13368 wait = SubtractTimeMarks(&now, &pauseStart);
13369 if(wait < appData.matchPause) {
13370 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13374 DisplayMessage("", "");
13375 if (startedFromSetupPosition) {
13376 SendBoard(&second, backwardMostMove);
13377 if (appData.debugMode) {
13378 fprintf(debugFP, "Two Machines\n");
13381 for (i = backwardMostMove; i < forwardMostMove; i++) {
13382 SendMoveToProgram(i, &second);
13385 gameMode = TwoMachinesPlay;
13387 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13389 DisplayTwoMachinesTitle();
13391 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13396 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13397 SendToProgram(first.computerString, &first);
13398 if (first.sendName) {
13399 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13400 SendToProgram(buf, &first);
13402 SendToProgram(second.computerString, &second);
13403 if (second.sendName) {
13404 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13405 SendToProgram(buf, &second);
13409 if (!first.sendTime || !second.sendTime) {
13410 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13411 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13413 if (onmove->sendTime) {
13414 if (onmove->useColors) {
13415 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13417 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13419 if (onmove->useColors) {
13420 SendToProgram(onmove->twoMachinesColor, onmove);
13422 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13423 // SendToProgram("go\n", onmove);
13424 onmove->maybeThinking = TRUE;
13425 SetMachineThinkingEnables();
13429 if(bookHit) { // [HGM] book: simulate book reply
13430 static char bookMove[MSG_SIZ]; // a bit generous?
13432 programStats.nodes = programStats.depth = programStats.time =
13433 programStats.score = programStats.got_only_move = 0;
13434 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13436 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13437 strcat(bookMove, bookHit);
13438 savedMessage = bookMove; // args for deferred call
13439 savedState = onmove;
13440 ScheduleDelayedEvent(DeferredBookMove, 1);
13447 if (gameMode == Training) {
13448 SetTrainingModeOff();
13449 gameMode = PlayFromGameFile;
13450 DisplayMessage("", _("Training mode off"));
13452 gameMode = Training;
13453 animateTraining = appData.animate;
13455 /* make sure we are not already at the end of the game */
13456 if (currentMove < forwardMostMove) {
13457 SetTrainingModeOn();
13458 DisplayMessage("", _("Training mode on"));
13460 gameMode = PlayFromGameFile;
13461 DisplayError(_("Already at end of game"), 0);
13470 if (!appData.icsActive) return;
13471 switch (gameMode) {
13472 case IcsPlayingWhite:
13473 case IcsPlayingBlack:
13476 case BeginningOfGame:
13484 EditPositionDone(TRUE);
13497 gameMode = IcsIdle;
13507 switch (gameMode) {
13509 SetTrainingModeOff();
13511 case MachinePlaysWhite:
13512 case MachinePlaysBlack:
13513 case BeginningOfGame:
13514 SendToProgram("force\n", &first);
13515 SetUserThinkingEnables();
13517 case PlayFromGameFile:
13518 (void) StopLoadGameTimer();
13519 if (gameFileFP != NULL) {
13524 EditPositionDone(TRUE);
13529 SendToProgram("force\n", &first);
13531 case TwoMachinesPlay:
13532 GameEnds(EndOfFile, NULL, GE_PLAYER);
13533 ResurrectChessProgram();
13534 SetUserThinkingEnables();
13537 ResurrectChessProgram();
13539 case IcsPlayingBlack:
13540 case IcsPlayingWhite:
13541 DisplayError(_("Warning: You are still playing a game"), 0);
13544 DisplayError(_("Warning: You are still observing a game"), 0);
13547 DisplayError(_("Warning: You are still examining a game"), 0);
13558 first.offeredDraw = second.offeredDraw = 0;
13560 if (gameMode == PlayFromGameFile) {
13561 whiteTimeRemaining = timeRemaining[0][currentMove];
13562 blackTimeRemaining = timeRemaining[1][currentMove];
13566 if (gameMode == MachinePlaysWhite ||
13567 gameMode == MachinePlaysBlack ||
13568 gameMode == TwoMachinesPlay ||
13569 gameMode == EndOfGame) {
13570 i = forwardMostMove;
13571 while (i > currentMove) {
13572 SendToProgram("undo\n", &first);
13575 if(!adjustedClock) {
13576 whiteTimeRemaining = timeRemaining[0][currentMove];
13577 blackTimeRemaining = timeRemaining[1][currentMove];
13578 DisplayBothClocks();
13580 if (whiteFlag || blackFlag) {
13581 whiteFlag = blackFlag = 0;
13586 gameMode = EditGame;
13593 EditPositionEvent ()
13595 if (gameMode == EditPosition) {
13601 if (gameMode != EditGame) return;
13603 gameMode = EditPosition;
13606 if (currentMove > 0)
13607 CopyBoard(boards[0], boards[currentMove]);
13609 blackPlaysFirst = !WhiteOnMove(currentMove);
13611 currentMove = forwardMostMove = backwardMostMove = 0;
13612 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13619 /* [DM] icsEngineAnalyze - possible call from other functions */
13620 if (appData.icsEngineAnalyze) {
13621 appData.icsEngineAnalyze = FALSE;
13623 DisplayMessage("",_("Close ICS engine analyze..."));
13625 if (first.analysisSupport && first.analyzing) {
13626 SendToProgram("exit\n", &first);
13627 first.analyzing = FALSE;
13629 thinkOutput[0] = NULLCHAR;
13633 EditPositionDone (Boolean fakeRights)
13635 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13637 startedFromSetupPosition = TRUE;
13638 InitChessProgram(&first, FALSE);
13639 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13640 boards[0][EP_STATUS] = EP_NONE;
13641 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13642 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13643 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13644 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13645 } else boards[0][CASTLING][2] = NoRights;
13646 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13647 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13648 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13649 } else boards[0][CASTLING][5] = NoRights;
13651 SendToProgram("force\n", &first);
13652 if (blackPlaysFirst) {
13653 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13654 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13655 currentMove = forwardMostMove = backwardMostMove = 1;
13656 CopyBoard(boards[1], boards[0]);
13658 currentMove = forwardMostMove = backwardMostMove = 0;
13660 SendBoard(&first, forwardMostMove);
13661 if (appData.debugMode) {
13662 fprintf(debugFP, "EditPosDone\n");
13665 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13666 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13667 gameMode = EditGame;
13669 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13670 ClearHighlights(); /* [AS] */
13673 /* Pause for `ms' milliseconds */
13674 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13676 TimeDelay (long ms)
13683 } while (SubtractTimeMarks(&m2, &m1) < ms);
13686 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13688 SendMultiLineToICS (char *buf)
13690 char temp[MSG_SIZ+1], *p;
13697 strncpy(temp, buf, len);
13702 if (*p == '\n' || *p == '\r')
13707 strcat(temp, "\n");
13709 SendToPlayer(temp, strlen(temp));
13713 SetWhiteToPlayEvent ()
13715 if (gameMode == EditPosition) {
13716 blackPlaysFirst = FALSE;
13717 DisplayBothClocks(); /* works because currentMove is 0 */
13718 } else if (gameMode == IcsExamining) {
13719 SendToICS(ics_prefix);
13720 SendToICS("tomove white\n");
13725 SetBlackToPlayEvent ()
13727 if (gameMode == EditPosition) {
13728 blackPlaysFirst = TRUE;
13729 currentMove = 1; /* kludge */
13730 DisplayBothClocks();
13732 } else if (gameMode == IcsExamining) {
13733 SendToICS(ics_prefix);
13734 SendToICS("tomove black\n");
13739 EditPositionMenuEvent (ChessSquare selection, int x, int y)
13742 ChessSquare piece = boards[0][y][x];
13744 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13746 switch (selection) {
13748 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13749 SendToICS(ics_prefix);
13750 SendToICS("bsetup clear\n");
13751 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13752 SendToICS(ics_prefix);
13753 SendToICS("clearboard\n");
13755 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13756 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13757 for (y = 0; y < BOARD_HEIGHT; y++) {
13758 if (gameMode == IcsExamining) {
13759 if (boards[currentMove][y][x] != EmptySquare) {
13760 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13765 boards[0][y][x] = p;
13770 if (gameMode == EditPosition) {
13771 DrawPosition(FALSE, boards[0]);
13776 SetWhiteToPlayEvent();
13780 SetBlackToPlayEvent();
13784 if (gameMode == IcsExamining) {
13785 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13786 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13789 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13790 if(x == BOARD_LEFT-2) {
13791 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13792 boards[0][y][1] = 0;
13794 if(x == BOARD_RGHT+1) {
13795 if(y >= gameInfo.holdingsSize) break;
13796 boards[0][y][BOARD_WIDTH-2] = 0;
13799 boards[0][y][x] = EmptySquare;
13800 DrawPosition(FALSE, boards[0]);
13805 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13806 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13807 selection = (ChessSquare) (PROMOTED piece);
13808 } else if(piece == EmptySquare) selection = WhiteSilver;
13809 else selection = (ChessSquare)((int)piece - 1);
13813 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13814 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13815 selection = (ChessSquare) (DEMOTED piece);
13816 } else if(piece == EmptySquare) selection = BlackSilver;
13817 else selection = (ChessSquare)((int)piece + 1);
13822 if(gameInfo.variant == VariantShatranj ||
13823 gameInfo.variant == VariantXiangqi ||
13824 gameInfo.variant == VariantCourier ||
13825 gameInfo.variant == VariantMakruk )
13826 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13831 if(gameInfo.variant == VariantXiangqi)
13832 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13833 if(gameInfo.variant == VariantKnightmate)
13834 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13837 if (gameMode == IcsExamining) {
13838 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13839 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13840 PieceToChar(selection), AAA + x, ONE + y);
13843 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13845 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13846 n = PieceToNumber(selection - BlackPawn);
13847 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13848 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13849 boards[0][BOARD_HEIGHT-1-n][1]++;
13851 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13852 n = PieceToNumber(selection);
13853 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13854 boards[0][n][BOARD_WIDTH-1] = selection;
13855 boards[0][n][BOARD_WIDTH-2]++;
13858 boards[0][y][x] = selection;
13859 DrawPosition(TRUE, boards[0]);
13867 DropMenuEvent (ChessSquare selection, int x, int y)
13869 ChessMove moveType;
13871 switch (gameMode) {
13872 case IcsPlayingWhite:
13873 case MachinePlaysBlack:
13874 if (!WhiteOnMove(currentMove)) {
13875 DisplayMoveError(_("It is Black's turn"));
13878 moveType = WhiteDrop;
13880 case IcsPlayingBlack:
13881 case MachinePlaysWhite:
13882 if (WhiteOnMove(currentMove)) {
13883 DisplayMoveError(_("It is White's turn"));
13886 moveType = BlackDrop;
13889 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13895 if (moveType == BlackDrop && selection < BlackPawn) {
13896 selection = (ChessSquare) ((int) selection
13897 + (int) BlackPawn - (int) WhitePawn);
13899 if (boards[currentMove][y][x] != EmptySquare) {
13900 DisplayMoveError(_("That square is occupied"));
13904 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13910 /* Accept a pending offer of any kind from opponent */
13912 if (appData.icsActive) {
13913 SendToICS(ics_prefix);
13914 SendToICS("accept\n");
13915 } else if (cmailMsgLoaded) {
13916 if (currentMove == cmailOldMove &&
13917 commentList[cmailOldMove] != NULL &&
13918 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13919 "Black offers a draw" : "White offers a draw")) {
13921 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13922 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13924 DisplayError(_("There is no pending offer on this move"), 0);
13925 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13928 /* Not used for offers from chess program */
13935 /* Decline a pending offer of any kind from opponent */
13937 if (appData.icsActive) {
13938 SendToICS(ics_prefix);
13939 SendToICS("decline\n");
13940 } else if (cmailMsgLoaded) {
13941 if (currentMove == cmailOldMove &&
13942 commentList[cmailOldMove] != NULL &&
13943 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13944 "Black offers a draw" : "White offers a draw")) {
13946 AppendComment(cmailOldMove, "Draw declined", TRUE);
13947 DisplayComment(cmailOldMove - 1, "Draw declined");
13950 DisplayError(_("There is no pending offer on this move"), 0);
13953 /* Not used for offers from chess program */
13960 /* Issue ICS rematch command */
13961 if (appData.icsActive) {
13962 SendToICS(ics_prefix);
13963 SendToICS("rematch\n");
13970 /* Call your opponent's flag (claim a win on time) */
13971 if (appData.icsActive) {
13972 SendToICS(ics_prefix);
13973 SendToICS("flag\n");
13975 switch (gameMode) {
13978 case MachinePlaysWhite:
13981 GameEnds(GameIsDrawn, "Both players ran out of time",
13984 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
13986 DisplayError(_("Your opponent is not out of time"), 0);
13989 case MachinePlaysBlack:
13992 GameEnds(GameIsDrawn, "Both players ran out of time",
13995 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
13997 DisplayError(_("Your opponent is not out of time"), 0);
14005 ClockClick (int which)
14006 { // [HGM] code moved to back-end from winboard.c
14007 if(which) { // black clock
14008 if (gameMode == EditPosition || gameMode == IcsExamining) {
14009 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14010 SetBlackToPlayEvent();
14011 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14012 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14013 } else if (shiftKey) {
14014 AdjustClock(which, -1);
14015 } else if (gameMode == IcsPlayingWhite ||
14016 gameMode == MachinePlaysBlack) {
14019 } else { // white clock
14020 if (gameMode == EditPosition || gameMode == IcsExamining) {
14021 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14022 SetWhiteToPlayEvent();
14023 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14024 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14025 } else if (shiftKey) {
14026 AdjustClock(which, -1);
14027 } else if (gameMode == IcsPlayingBlack ||
14028 gameMode == MachinePlaysWhite) {
14037 /* Offer draw or accept pending draw offer from opponent */
14039 if (appData.icsActive) {
14040 /* Note: tournament rules require draw offers to be
14041 made after you make your move but before you punch
14042 your clock. Currently ICS doesn't let you do that;
14043 instead, you immediately punch your clock after making
14044 a move, but you can offer a draw at any time. */
14046 SendToICS(ics_prefix);
14047 SendToICS("draw\n");
14048 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14049 } else if (cmailMsgLoaded) {
14050 if (currentMove == cmailOldMove &&
14051 commentList[cmailOldMove] != NULL &&
14052 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14053 "Black offers a draw" : "White offers a draw")) {
14054 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14055 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14056 } else if (currentMove == cmailOldMove + 1) {
14057 char *offer = WhiteOnMove(cmailOldMove) ?
14058 "White offers a draw" : "Black offers a draw";
14059 AppendComment(currentMove, offer, TRUE);
14060 DisplayComment(currentMove - 1, offer);
14061 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14063 DisplayError(_("You must make your move before offering a draw"), 0);
14064 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14066 } else if (first.offeredDraw) {
14067 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14069 if (first.sendDrawOffers) {
14070 SendToProgram("draw\n", &first);
14071 userOfferedDraw = TRUE;
14079 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14081 if (appData.icsActive) {
14082 SendToICS(ics_prefix);
14083 SendToICS("adjourn\n");
14085 /* Currently GNU Chess doesn't offer or accept Adjourns */
14093 /* Offer Abort or accept pending Abort offer from opponent */
14095 if (appData.icsActive) {
14096 SendToICS(ics_prefix);
14097 SendToICS("abort\n");
14099 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14106 /* Resign. You can do this even if it's not your turn. */
14108 if (appData.icsActive) {
14109 SendToICS(ics_prefix);
14110 SendToICS("resign\n");
14112 switch (gameMode) {
14113 case MachinePlaysWhite:
14114 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14116 case MachinePlaysBlack:
14117 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14120 if (cmailMsgLoaded) {
14122 if (WhiteOnMove(cmailOldMove)) {
14123 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14125 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14127 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14138 StopObservingEvent ()
14140 /* Stop observing current games */
14141 SendToICS(ics_prefix);
14142 SendToICS("unobserve\n");
14146 StopExaminingEvent ()
14148 /* Stop observing current game */
14149 SendToICS(ics_prefix);
14150 SendToICS("unexamine\n");
14154 ForwardInner (int target)
14158 if (appData.debugMode)
14159 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14160 target, currentMove, forwardMostMove);
14162 if (gameMode == EditPosition)
14165 seekGraphUp = FALSE;
14166 MarkTargetSquares(1);
14168 if (gameMode == PlayFromGameFile && !pausing)
14171 if (gameMode == IcsExamining && pausing)
14172 limit = pauseExamForwardMostMove;
14174 limit = forwardMostMove;
14176 if (target > limit) target = limit;
14178 if (target > 0 && moveList[target - 1][0]) {
14179 int fromX, fromY, toX, toY;
14180 toX = moveList[target - 1][2] - AAA;
14181 toY = moveList[target - 1][3] - ONE;
14182 if (moveList[target - 1][1] == '@') {
14183 if (appData.highlightLastMove) {
14184 SetHighlights(-1, -1, toX, toY);
14187 fromX = moveList[target - 1][0] - AAA;
14188 fromY = moveList[target - 1][1] - ONE;
14189 if (target == currentMove + 1) {
14190 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14192 if (appData.highlightLastMove) {
14193 SetHighlights(fromX, fromY, toX, toY);
14197 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14198 gameMode == Training || gameMode == PlayFromGameFile ||
14199 gameMode == AnalyzeFile) {
14200 while (currentMove < target) {
14201 SendMoveToProgram(currentMove++, &first);
14204 currentMove = target;
14207 if (gameMode == EditGame || gameMode == EndOfGame) {
14208 whiteTimeRemaining = timeRemaining[0][currentMove];
14209 blackTimeRemaining = timeRemaining[1][currentMove];
14211 DisplayBothClocks();
14212 DisplayMove(currentMove - 1);
14213 DrawPosition(FALSE, boards[currentMove]);
14214 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14215 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14216 DisplayComment(currentMove - 1, commentList[currentMove]);
14224 if (gameMode == IcsExamining && !pausing) {
14225 SendToICS(ics_prefix);
14226 SendToICS("forward\n");
14228 ForwardInner(currentMove + 1);
14235 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14236 /* to optimze, we temporarily turn off analysis mode while we feed
14237 * the remaining moves to the engine. Otherwise we get analysis output
14240 if (first.analysisSupport) {
14241 SendToProgram("exit\nforce\n", &first);
14242 first.analyzing = FALSE;
14246 if (gameMode == IcsExamining && !pausing) {
14247 SendToICS(ics_prefix);
14248 SendToICS("forward 999999\n");
14250 ForwardInner(forwardMostMove);
14253 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14254 /* we have fed all the moves, so reactivate analysis mode */
14255 SendToProgram("analyze\n", &first);
14256 first.analyzing = TRUE;
14257 /*first.maybeThinking = TRUE;*/
14258 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14263 BackwardInner (int target)
14265 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14267 if (appData.debugMode)
14268 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14269 target, currentMove, forwardMostMove);
14271 if (gameMode == EditPosition) return;
14272 seekGraphUp = FALSE;
14273 MarkTargetSquares(1);
14274 if (currentMove <= backwardMostMove) {
14276 DrawPosition(full_redraw, boards[currentMove]);
14279 if (gameMode == PlayFromGameFile && !pausing)
14282 if (moveList[target][0]) {
14283 int fromX, fromY, toX, toY;
14284 toX = moveList[target][2] - AAA;
14285 toY = moveList[target][3] - ONE;
14286 if (moveList[target][1] == '@') {
14287 if (appData.highlightLastMove) {
14288 SetHighlights(-1, -1, toX, toY);
14291 fromX = moveList[target][0] - AAA;
14292 fromY = moveList[target][1] - ONE;
14293 if (target == currentMove - 1) {
14294 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14296 if (appData.highlightLastMove) {
14297 SetHighlights(fromX, fromY, toX, toY);
14301 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14302 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14303 while (currentMove > target) {
14304 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14305 // null move cannot be undone. Reload program with move history before it.
14307 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14308 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14310 SendBoard(&first, i);
14311 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14314 SendToProgram("undo\n", &first);
14318 currentMove = target;
14321 if (gameMode == EditGame || gameMode == EndOfGame) {
14322 whiteTimeRemaining = timeRemaining[0][currentMove];
14323 blackTimeRemaining = timeRemaining[1][currentMove];
14325 DisplayBothClocks();
14326 DisplayMove(currentMove - 1);
14327 DrawPosition(full_redraw, boards[currentMove]);
14328 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14329 // [HGM] PV info: routine tests if comment empty
14330 DisplayComment(currentMove - 1, commentList[currentMove]);
14336 if (gameMode == IcsExamining && !pausing) {
14337 SendToICS(ics_prefix);
14338 SendToICS("backward\n");
14340 BackwardInner(currentMove - 1);
14347 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14348 /* to optimize, we temporarily turn off analysis mode while we undo
14349 * all the moves. Otherwise we get analysis output after each undo.
14351 if (first.analysisSupport) {
14352 SendToProgram("exit\nforce\n", &first);
14353 first.analyzing = FALSE;
14357 if (gameMode == IcsExamining && !pausing) {
14358 SendToICS(ics_prefix);
14359 SendToICS("backward 999999\n");
14361 BackwardInner(backwardMostMove);
14364 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14365 /* we have fed all the moves, so reactivate analysis mode */
14366 SendToProgram("analyze\n", &first);
14367 first.analyzing = TRUE;
14368 /*first.maybeThinking = TRUE;*/
14369 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14376 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14377 if (to >= forwardMostMove) to = forwardMostMove;
14378 if (to <= backwardMostMove) to = backwardMostMove;
14379 if (to < currentMove) {
14387 RevertEvent (Boolean annotate)
14389 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14392 if (gameMode != IcsExamining) {
14393 DisplayError(_("You are not examining a game"), 0);
14397 DisplayError(_("You can't revert while pausing"), 0);
14400 SendToICS(ics_prefix);
14401 SendToICS("revert\n");
14405 RetractMoveEvent ()
14407 switch (gameMode) {
14408 case MachinePlaysWhite:
14409 case MachinePlaysBlack:
14410 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14411 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14414 if (forwardMostMove < 2) return;
14415 currentMove = forwardMostMove = forwardMostMove - 2;
14416 whiteTimeRemaining = timeRemaining[0][currentMove];
14417 blackTimeRemaining = timeRemaining[1][currentMove];
14418 DisplayBothClocks();
14419 DisplayMove(currentMove - 1);
14420 ClearHighlights();/*!! could figure this out*/
14421 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14422 SendToProgram("remove\n", &first);
14423 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14426 case BeginningOfGame:
14430 case IcsPlayingWhite:
14431 case IcsPlayingBlack:
14432 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14433 SendToICS(ics_prefix);
14434 SendToICS("takeback 2\n");
14436 SendToICS(ics_prefix);
14437 SendToICS("takeback 1\n");
14446 ChessProgramState *cps;
14448 switch (gameMode) {
14449 case MachinePlaysWhite:
14450 if (!WhiteOnMove(forwardMostMove)) {
14451 DisplayError(_("It is your turn"), 0);
14456 case MachinePlaysBlack:
14457 if (WhiteOnMove(forwardMostMove)) {
14458 DisplayError(_("It is your turn"), 0);
14463 case TwoMachinesPlay:
14464 if (WhiteOnMove(forwardMostMove) ==
14465 (first.twoMachinesColor[0] == 'w')) {
14471 case BeginningOfGame:
14475 SendToProgram("?\n", cps);
14479 TruncateGameEvent ()
14482 if (gameMode != EditGame) return;
14489 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14490 if (forwardMostMove > currentMove) {
14491 if (gameInfo.resultDetails != NULL) {
14492 free(gameInfo.resultDetails);
14493 gameInfo.resultDetails = NULL;
14494 gameInfo.result = GameUnfinished;
14496 forwardMostMove = currentMove;
14497 HistorySet(parseList, backwardMostMove, forwardMostMove,
14505 if (appData.noChessProgram) return;
14506 switch (gameMode) {
14507 case MachinePlaysWhite:
14508 if (WhiteOnMove(forwardMostMove)) {
14509 DisplayError(_("Wait until your turn"), 0);
14513 case BeginningOfGame:
14514 case MachinePlaysBlack:
14515 if (!WhiteOnMove(forwardMostMove)) {
14516 DisplayError(_("Wait until your turn"), 0);
14521 DisplayError(_("No hint available"), 0);
14524 SendToProgram("hint\n", &first);
14525 hintRequested = TRUE;
14531 if (appData.noChessProgram) return;
14532 switch (gameMode) {
14533 case MachinePlaysWhite:
14534 if (WhiteOnMove(forwardMostMove)) {
14535 DisplayError(_("Wait until your turn"), 0);
14539 case BeginningOfGame:
14540 case MachinePlaysBlack:
14541 if (!WhiteOnMove(forwardMostMove)) {
14542 DisplayError(_("Wait until your turn"), 0);
14547 EditPositionDone(TRUE);
14549 case TwoMachinesPlay:
14554 SendToProgram("bk\n", &first);
14555 bookOutput[0] = NULLCHAR;
14556 bookRequested = TRUE;
14562 char *tags = PGNTags(&gameInfo);
14563 TagsPopUp(tags, CmailMsg());
14567 /* end button procedures */
14570 PrintPosition (FILE *fp, int move)
14574 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14575 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14576 char c = PieceToChar(boards[move][i][j]);
14577 fputc(c == 'x' ? '.' : c, fp);
14578 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14581 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14582 fprintf(fp, "white to play\n");
14584 fprintf(fp, "black to play\n");
14588 PrintOpponents (FILE *fp)
14590 if (gameInfo.white != NULL) {
14591 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14597 /* Find last component of program's own name, using some heuristics */
14599 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14602 int local = (strcmp(host, "localhost") == 0);
14603 while (!local && (p = strchr(prog, ';')) != NULL) {
14605 while (*p == ' ') p++;
14608 if (*prog == '"' || *prog == '\'') {
14609 q = strchr(prog + 1, *prog);
14611 q = strchr(prog, ' ');
14613 if (q == NULL) q = prog + strlen(prog);
14615 while (p >= prog && *p != '/' && *p != '\\') p--;
14617 if(p == prog && *p == '"') p++;
14618 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) q -= 4;
14619 memcpy(buf, p, q - p);
14620 buf[q - p] = NULLCHAR;
14628 TimeControlTagValue ()
14631 if (!appData.clockMode) {
14632 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14633 } else if (movesPerSession > 0) {
14634 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14635 } else if (timeIncrement == 0) {
14636 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14638 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14640 return StrSave(buf);
14646 /* This routine is used only for certain modes */
14647 VariantClass v = gameInfo.variant;
14648 ChessMove r = GameUnfinished;
14651 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14652 r = gameInfo.result;
14653 p = gameInfo.resultDetails;
14654 gameInfo.resultDetails = NULL;
14656 ClearGameInfo(&gameInfo);
14657 gameInfo.variant = v;
14659 switch (gameMode) {
14660 case MachinePlaysWhite:
14661 gameInfo.event = StrSave( appData.pgnEventHeader );
14662 gameInfo.site = StrSave(HostName());
14663 gameInfo.date = PGNDate();
14664 gameInfo.round = StrSave("-");
14665 gameInfo.white = StrSave(first.tidy);
14666 gameInfo.black = StrSave(UserName());
14667 gameInfo.timeControl = TimeControlTagValue();
14670 case MachinePlaysBlack:
14671 gameInfo.event = StrSave( appData.pgnEventHeader );
14672 gameInfo.site = StrSave(HostName());
14673 gameInfo.date = PGNDate();
14674 gameInfo.round = StrSave("-");
14675 gameInfo.white = StrSave(UserName());
14676 gameInfo.black = StrSave(first.tidy);
14677 gameInfo.timeControl = TimeControlTagValue();
14680 case TwoMachinesPlay:
14681 gameInfo.event = StrSave( appData.pgnEventHeader );
14682 gameInfo.site = StrSave(HostName());
14683 gameInfo.date = PGNDate();
14686 snprintf(buf, MSG_SIZ, "%d", roundNr);
14687 gameInfo.round = StrSave(buf);
14689 gameInfo.round = StrSave("-");
14691 if (first.twoMachinesColor[0] == 'w') {
14692 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14693 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14695 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14696 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14698 gameInfo.timeControl = TimeControlTagValue();
14702 gameInfo.event = StrSave("Edited game");
14703 gameInfo.site = StrSave(HostName());
14704 gameInfo.date = PGNDate();
14705 gameInfo.round = StrSave("-");
14706 gameInfo.white = StrSave("-");
14707 gameInfo.black = StrSave("-");
14708 gameInfo.result = r;
14709 gameInfo.resultDetails = p;
14713 gameInfo.event = StrSave("Edited position");
14714 gameInfo.site = StrSave(HostName());
14715 gameInfo.date = PGNDate();
14716 gameInfo.round = StrSave("-");
14717 gameInfo.white = StrSave("-");
14718 gameInfo.black = StrSave("-");
14721 case IcsPlayingWhite:
14722 case IcsPlayingBlack:
14727 case PlayFromGameFile:
14728 gameInfo.event = StrSave("Game from non-PGN file");
14729 gameInfo.site = StrSave(HostName());
14730 gameInfo.date = PGNDate();
14731 gameInfo.round = StrSave("-");
14732 gameInfo.white = StrSave("?");
14733 gameInfo.black = StrSave("?");
14742 ReplaceComment (int index, char *text)
14748 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14749 pvInfoList[index-1].depth == len &&
14750 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14751 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14752 while (*text == '\n') text++;
14753 len = strlen(text);
14754 while (len > 0 && text[len - 1] == '\n') len--;
14756 if (commentList[index] != NULL)
14757 free(commentList[index]);
14760 commentList[index] = NULL;
14763 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14764 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14765 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14766 commentList[index] = (char *) malloc(len + 2);
14767 strncpy(commentList[index], text, len);
14768 commentList[index][len] = '\n';
14769 commentList[index][len + 1] = NULLCHAR;
14771 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14773 commentList[index] = (char *) malloc(len + 7);
14774 safeStrCpy(commentList[index], "{\n", 3);
14775 safeStrCpy(commentList[index]+2, text, len+1);
14776 commentList[index][len+2] = NULLCHAR;
14777 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14778 strcat(commentList[index], "\n}\n");
14783 CrushCRs (char *text)
14791 if (ch == '\r') continue;
14793 } while (ch != '\0');
14797 AppendComment (int index, char *text, Boolean addBraces)
14798 /* addBraces tells if we should add {} */
14803 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14804 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14807 while (*text == '\n') text++;
14808 len = strlen(text);
14809 while (len > 0 && text[len - 1] == '\n') len--;
14810 text[len] = NULLCHAR;
14812 if (len == 0) return;
14814 if (commentList[index] != NULL) {
14815 Boolean addClosingBrace = addBraces;
14816 old = commentList[index];
14817 oldlen = strlen(old);
14818 while(commentList[index][oldlen-1] == '\n')
14819 commentList[index][--oldlen] = NULLCHAR;
14820 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14821 safeStrCpy(commentList[index], old, oldlen + len + 6);
14823 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14824 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14825 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14826 while (*text == '\n') { text++; len--; }
14827 commentList[index][--oldlen] = NULLCHAR;
14829 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14830 else strcat(commentList[index], "\n");
14831 strcat(commentList[index], text);
14832 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14833 else strcat(commentList[index], "\n");
14835 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14837 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14838 else commentList[index][0] = NULLCHAR;
14839 strcat(commentList[index], text);
14840 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14841 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14846 FindStr (char * text, char * sub_text)
14848 char * result = strstr( text, sub_text );
14850 if( result != NULL ) {
14851 result += strlen( sub_text );
14857 /* [AS] Try to extract PV info from PGN comment */
14858 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14860 GetInfoFromComment (int index, char * text)
14862 char * sep = text, *p;
14864 if( text != NULL && index > 0 ) {
14867 int time = -1, sec = 0, deci;
14868 char * s_eval = FindStr( text, "[%eval " );
14869 char * s_emt = FindStr( text, "[%emt " );
14871 if( s_eval != NULL || s_emt != NULL ) {
14875 if( s_eval != NULL ) {
14876 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14880 if( delim != ']' ) {
14885 if( s_emt != NULL ) {
14890 /* We expect something like: [+|-]nnn.nn/dd */
14893 if(*text != '{') return text; // [HGM] braces: must be normal comment
14895 sep = strchr( text, '/' );
14896 if( sep == NULL || sep < (text+4) ) {
14901 if(p[1] == '(') { // comment starts with PV
14902 p = strchr(p, ')'); // locate end of PV
14903 if(p == NULL || sep < p+5) return text;
14904 // at this point we have something like "{(.*) +0.23/6 ..."
14905 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14906 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14907 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14909 time = -1; sec = -1; deci = -1;
14910 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14911 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14912 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14913 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14917 if( score_lo < 0 || score_lo >= 100 ) {
14921 if(sec >= 0) time = 600*time + 10*sec; else
14922 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14924 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14926 /* [HGM] PV time: now locate end of PV info */
14927 while( *++sep >= '0' && *sep <= '9'); // strip depth
14929 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14931 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14933 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14934 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
14945 pvInfoList[index-1].depth = depth;
14946 pvInfoList[index-1].score = score;
14947 pvInfoList[index-1].time = 10*time; // centi-sec
14948 if(*sep == '}') *sep = 0; else *--sep = '{';
14949 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
14955 SendToProgram (char *message, ChessProgramState *cps)
14957 int count, outCount, error;
14960 if (cps->pr == NoProc) return;
14963 if (appData.debugMode) {
14966 fprintf(debugFP, "%ld >%-6s: %s",
14967 SubtractTimeMarks(&now, &programStartTime),
14968 cps->which, message);
14971 count = strlen(message);
14972 outCount = OutputToProcess(cps->pr, message, count, &error);
14973 if (outCount < count && !exiting
14974 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
14975 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
14976 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
14977 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
14978 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
14979 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
14980 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
14981 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
14983 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
14984 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
14985 gameInfo.result = res;
14987 gameInfo.resultDetails = StrSave(buf);
14989 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
14990 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
14995 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
14999 ChessProgramState *cps = (ChessProgramState *)closure;
15001 if (isr != cps->isr) return; /* Killed intentionally */
15004 RemoveInputSource(cps->isr);
15005 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15006 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15007 _(cps->which), cps->program);
15008 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15009 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15010 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15011 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15012 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15014 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15015 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15016 gameInfo.result = res;
15018 gameInfo.resultDetails = StrSave(buf);
15020 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15021 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15023 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15024 _(cps->which), cps->program);
15025 RemoveInputSource(cps->isr);
15027 /* [AS] Program is misbehaving badly... kill it */
15028 if( count == -2 ) {
15029 DestroyChildProcess( cps->pr, 9 );
15033 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15038 if ((end_str = strchr(message, '\r')) != NULL)
15039 *end_str = NULLCHAR;
15040 if ((end_str = strchr(message, '\n')) != NULL)
15041 *end_str = NULLCHAR;
15043 if (appData.debugMode) {
15044 TimeMark now; int print = 1;
15045 char *quote = ""; char c; int i;
15047 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15048 char start = message[0];
15049 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15050 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15051 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15052 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15053 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15054 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15055 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15056 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15057 sscanf(message, "hint: %c", &c)!=1 &&
15058 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15059 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15060 print = (appData.engineComments >= 2);
15062 message[0] = start; // restore original message
15066 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15067 SubtractTimeMarks(&now, &programStartTime), cps->which,
15073 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15074 if (appData.icsEngineAnalyze) {
15075 if (strstr(message, "whisper") != NULL ||
15076 strstr(message, "kibitz") != NULL ||
15077 strstr(message, "tellics") != NULL) return;
15080 HandleMachineMove(message, cps);
15085 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15090 if( timeControl_2 > 0 ) {
15091 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15092 tc = timeControl_2;
15095 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15096 inc /= cps->timeOdds;
15097 st /= cps->timeOdds;
15099 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15102 /* Set exact time per move, normally using st command */
15103 if (cps->stKludge) {
15104 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15106 if (seconds == 0) {
15107 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15109 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15112 snprintf(buf, MSG_SIZ, "st %d\n", st);
15115 /* Set conventional or incremental time control, using level command */
15116 if (seconds == 0) {
15117 /* Note old gnuchess bug -- minutes:seconds used to not work.
15118 Fixed in later versions, but still avoid :seconds
15119 when seconds is 0. */
15120 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15122 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15123 seconds, inc/1000.);
15126 SendToProgram(buf, cps);
15128 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15129 /* Orthogonally, limit search to given depth */
15131 if (cps->sdKludge) {
15132 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15134 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15136 SendToProgram(buf, cps);
15139 if(cps->nps >= 0) { /* [HGM] nps */
15140 if(cps->supportsNPS == FALSE)
15141 cps->nps = -1; // don't use if engine explicitly says not supported!
15143 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15144 SendToProgram(buf, cps);
15149 ChessProgramState *
15151 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15153 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15154 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15160 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15162 char message[MSG_SIZ];
15165 /* Note: this routine must be called when the clocks are stopped
15166 or when they have *just* been set or switched; otherwise
15167 it will be off by the time since the current tick started.
15169 if (machineWhite) {
15170 time = whiteTimeRemaining / 10;
15171 otime = blackTimeRemaining / 10;
15173 time = blackTimeRemaining / 10;
15174 otime = whiteTimeRemaining / 10;
15176 /* [HGM] translate opponent's time by time-odds factor */
15177 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15178 if (appData.debugMode) {
15179 fprintf(debugFP, "time odds: %f %f \n", cps->timeOdds, cps->other->timeOdds);
15182 if (time <= 0) time = 1;
15183 if (otime <= 0) otime = 1;
15185 snprintf(message, MSG_SIZ, "time %ld\n", time);
15186 SendToProgram(message, cps);
15188 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15189 SendToProgram(message, cps);
15193 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15196 int len = strlen(name);
15199 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15201 sscanf(*p, "%d", &val);
15203 while (**p && **p != ' ')
15205 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15206 SendToProgram(buf, cps);
15213 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15216 int len = strlen(name);
15217 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15219 sscanf(*p, "%d", loc);
15220 while (**p && **p != ' ') (*p)++;
15221 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15222 SendToProgram(buf, cps);
15229 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15232 int len = strlen(name);
15233 if (strncmp((*p), name, len) == 0
15234 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15236 sscanf(*p, "%[^\"]", loc);
15237 while (**p && **p != '\"') (*p)++;
15238 if (**p == '\"') (*p)++;
15239 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15240 SendToProgram(buf, cps);
15247 ParseOption (Option *opt, ChessProgramState *cps)
15248 // [HGM] options: process the string that defines an engine option, and determine
15249 // name, type, default value, and allowed value range
15251 char *p, *q, buf[MSG_SIZ];
15252 int n, min = (-1)<<31, max = 1<<31, def;
15254 if(p = strstr(opt->name, " -spin ")) {
15255 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15256 if(max < min) max = min; // enforce consistency
15257 if(def < min) def = min;
15258 if(def > max) def = max;
15263 } else if((p = strstr(opt->name, " -slider "))) {
15264 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15265 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15266 if(max < min) max = min; // enforce consistency
15267 if(def < min) def = min;
15268 if(def > max) def = max;
15272 opt->type = Spin; // Slider;
15273 } else if((p = strstr(opt->name, " -string "))) {
15274 opt->textValue = p+9;
15275 opt->type = TextBox;
15276 } else if((p = strstr(opt->name, " -file "))) {
15277 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15278 opt->textValue = p+7;
15279 opt->type = FileName; // FileName;
15280 } else if((p = strstr(opt->name, " -path "))) {
15281 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15282 opt->textValue = p+7;
15283 opt->type = PathName; // PathName;
15284 } else if(p = strstr(opt->name, " -check ")) {
15285 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15286 opt->value = (def != 0);
15287 opt->type = CheckBox;
15288 } else if(p = strstr(opt->name, " -combo ")) {
15289 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15290 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15291 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15292 opt->value = n = 0;
15293 while(q = StrStr(q, " /// ")) {
15294 n++; *q = 0; // count choices, and null-terminate each of them
15296 if(*q == '*') { // remember default, which is marked with * prefix
15300 cps->comboList[cps->comboCnt++] = q;
15302 cps->comboList[cps->comboCnt++] = NULL;
15304 opt->type = ComboBox;
15305 } else if(p = strstr(opt->name, " -button")) {
15306 opt->type = Button;
15307 } else if(p = strstr(opt->name, " -save")) {
15308 opt->type = SaveButton;
15309 } else return FALSE;
15310 *p = 0; // terminate option name
15311 // now look if the command-line options define a setting for this engine option.
15312 if(cps->optionSettings && cps->optionSettings[0])
15313 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15314 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15315 snprintf(buf, MSG_SIZ, "option %s", p);
15316 if(p = strstr(buf, ",")) *p = 0;
15317 if(q = strchr(buf, '=')) switch(opt->type) {
15319 for(n=0; n<opt->max; n++)
15320 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15323 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15327 opt->value = atoi(q+1);
15332 SendToProgram(buf, cps);
15338 FeatureDone (ChessProgramState *cps, int val)
15340 DelayedEventCallback cb = GetDelayedEvent();
15341 if ((cb == InitBackEnd3 && cps == &first) ||
15342 (cb == SettingsMenuIfReady && cps == &second) ||
15343 (cb == LoadEngine) ||
15344 (cb == TwoMachinesEventIfReady)) {
15345 CancelDelayedEvent();
15346 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15348 cps->initDone = val;
15351 /* Parse feature command from engine */
15353 ParseFeatures (char *args, ChessProgramState *cps)
15361 while (*p == ' ') p++;
15362 if (*p == NULLCHAR) return;
15364 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15365 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15366 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15367 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15368 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15369 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15370 if (BoolFeature(&p, "reuse", &val, cps)) {
15371 /* Engine can disable reuse, but can't enable it if user said no */
15372 if (!val) cps->reuse = FALSE;
15375 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15376 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15377 if (gameMode == TwoMachinesPlay) {
15378 DisplayTwoMachinesTitle();
15384 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15385 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15386 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15387 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15388 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15389 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15390 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15391 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15392 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15393 if (IntFeature(&p, "done", &val, cps)) {
15394 FeatureDone(cps, val);
15397 /* Added by Tord: */
15398 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15399 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15400 /* End of additions by Tord */
15402 /* [HGM] added features: */
15403 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15404 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15405 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15406 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15407 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15408 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15409 if (StringFeature(&p, "option", cps->option[cps->nrOptions].name, cps)) {
15410 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15411 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15412 SendToProgram(buf, cps);
15415 if(cps->nrOptions >= MAX_OPTIONS) {
15417 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15418 DisplayError(buf, 0);
15422 /* End of additions by HGM */
15424 /* unknown feature: complain and skip */
15426 while (*q && *q != '=') q++;
15427 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15428 SendToProgram(buf, cps);
15434 while (*p && *p != '\"') p++;
15435 if (*p == '\"') p++;
15437 while (*p && *p != ' ') p++;
15445 PeriodicUpdatesEvent (int newState)
15447 if (newState == appData.periodicUpdates)
15450 appData.periodicUpdates=newState;
15452 /* Display type changes, so update it now */
15453 // DisplayAnalysis();
15455 /* Get the ball rolling again... */
15457 AnalysisPeriodicEvent(1);
15458 StartAnalysisClock();
15463 PonderNextMoveEvent (int newState)
15465 if (newState == appData.ponderNextMove) return;
15466 if (gameMode == EditPosition) EditPositionDone(TRUE);
15468 SendToProgram("hard\n", &first);
15469 if (gameMode == TwoMachinesPlay) {
15470 SendToProgram("hard\n", &second);
15473 SendToProgram("easy\n", &first);
15474 thinkOutput[0] = NULLCHAR;
15475 if (gameMode == TwoMachinesPlay) {
15476 SendToProgram("easy\n", &second);
15479 appData.ponderNextMove = newState;
15483 NewSettingEvent (int option, int *feature, char *command, int value)
15487 if (gameMode == EditPosition) EditPositionDone(TRUE);
15488 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15489 if(feature == NULL || *feature) SendToProgram(buf, &first);
15490 if (gameMode == TwoMachinesPlay) {
15491 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15496 ShowThinkingEvent ()
15497 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15499 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15500 int newState = appData.showThinking
15501 // [HGM] thinking: other features now need thinking output as well
15502 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15504 if (oldState == newState) return;
15505 oldState = newState;
15506 if (gameMode == EditPosition) EditPositionDone(TRUE);
15508 SendToProgram("post\n", &first);
15509 if (gameMode == TwoMachinesPlay) {
15510 SendToProgram("post\n", &second);
15513 SendToProgram("nopost\n", &first);
15514 thinkOutput[0] = NULLCHAR;
15515 if (gameMode == TwoMachinesPlay) {
15516 SendToProgram("nopost\n", &second);
15519 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15523 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15525 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15526 if (pr == NoProc) return;
15527 AskQuestion(title, question, replyPrefix, pr);
15531 TypeInEvent (char firstChar)
15533 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15534 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15535 gameMode == AnalyzeMode || gameMode == EditGame ||
15536 gameMode == EditPosition || gameMode == IcsExamining ||
15537 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15538 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15539 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15540 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15541 gameMode == Training) PopUpMoveDialog(firstChar);
15545 TypeInDoneEvent (char *move)
15548 int n, fromX, fromY, toX, toY;
15550 ChessMove moveType;
15553 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15554 EditPositionPasteFEN(move);
15557 // [HGM] movenum: allow move number to be typed in any mode
15558 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15563 if (gameMode != EditGame && currentMove != forwardMostMove &&
15564 gameMode != Training) {
15565 DisplayMoveError(_("Displayed move is not current"));
15567 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15568 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15569 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15570 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15571 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15572 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15574 DisplayMoveError(_("Could not parse move"));
15580 DisplayMove (int moveNumber)
15582 char message[MSG_SIZ];
15584 char cpThinkOutput[MSG_SIZ];
15586 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15588 if (moveNumber == forwardMostMove - 1 ||
15589 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15591 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15593 if (strchr(cpThinkOutput, '\n')) {
15594 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15597 *cpThinkOutput = NULLCHAR;
15600 /* [AS] Hide thinking from human user */
15601 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15602 *cpThinkOutput = NULLCHAR;
15603 if( thinkOutput[0] != NULLCHAR ) {
15606 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15607 cpThinkOutput[i] = '.';
15609 cpThinkOutput[i] = NULLCHAR;
15610 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15614 if (moveNumber == forwardMostMove - 1 &&
15615 gameInfo.resultDetails != NULL) {
15616 if (gameInfo.resultDetails[0] == NULLCHAR) {
15617 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15619 snprintf(res, MSG_SIZ, " {%s} %s",
15620 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15626 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15627 DisplayMessage(res, cpThinkOutput);
15629 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15630 WhiteOnMove(moveNumber) ? " " : ".. ",
15631 parseList[moveNumber], res);
15632 DisplayMessage(message, cpThinkOutput);
15637 DisplayComment (int moveNumber, char *text)
15639 char title[MSG_SIZ];
15641 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15642 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15644 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15645 WhiteOnMove(moveNumber) ? " " : ".. ",
15646 parseList[moveNumber]);
15648 if (text != NULL && (appData.autoDisplayComment || commentUp))
15649 CommentPopUp(title, text);
15652 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15653 * might be busy thinking or pondering. It can be omitted if your
15654 * gnuchess is configured to stop thinking immediately on any user
15655 * input. However, that gnuchess feature depends on the FIONREAD
15656 * ioctl, which does not work properly on some flavors of Unix.
15659 Attention (ChessProgramState *cps)
15662 if (!cps->useSigint) return;
15663 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15664 switch (gameMode) {
15665 case MachinePlaysWhite:
15666 case MachinePlaysBlack:
15667 case TwoMachinesPlay:
15668 case IcsPlayingWhite:
15669 case IcsPlayingBlack:
15672 /* Skip if we know it isn't thinking */
15673 if (!cps->maybeThinking) return;
15674 if (appData.debugMode)
15675 fprintf(debugFP, "Interrupting %s\n", cps->which);
15676 InterruptChildProcess(cps->pr);
15677 cps->maybeThinking = FALSE;
15682 #endif /*ATTENTION*/
15688 if (whiteTimeRemaining <= 0) {
15691 if (appData.icsActive) {
15692 if (appData.autoCallFlag &&
15693 gameMode == IcsPlayingBlack && !blackFlag) {
15694 SendToICS(ics_prefix);
15695 SendToICS("flag\n");
15699 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15701 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15702 if (appData.autoCallFlag) {
15703 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15710 if (blackTimeRemaining <= 0) {
15713 if (appData.icsActive) {
15714 if (appData.autoCallFlag &&
15715 gameMode == IcsPlayingWhite && !whiteFlag) {
15716 SendToICS(ics_prefix);
15717 SendToICS("flag\n");
15721 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15723 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15724 if (appData.autoCallFlag) {
15725 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15736 CheckTimeControl ()
15738 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15739 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15742 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15744 if ( !WhiteOnMove(forwardMostMove) ) {
15745 /* White made time control */
15746 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15747 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15748 /* [HGM] time odds: correct new time quota for time odds! */
15749 / WhitePlayer()->timeOdds;
15750 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15752 lastBlack -= blackTimeRemaining;
15753 /* Black made time control */
15754 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15755 / WhitePlayer()->other->timeOdds;
15756 lastWhite = whiteTimeRemaining;
15761 DisplayBothClocks ()
15763 int wom = gameMode == EditPosition ?
15764 !blackPlaysFirst : WhiteOnMove(currentMove);
15765 DisplayWhiteClock(whiteTimeRemaining, wom);
15766 DisplayBlackClock(blackTimeRemaining, !wom);
15770 /* Timekeeping seems to be a portability nightmare. I think everyone
15771 has ftime(), but I'm really not sure, so I'm including some ifdefs
15772 to use other calls if you don't. Clocks will be less accurate if
15773 you have neither ftime nor gettimeofday.
15776 /* VS 2008 requires the #include outside of the function */
15777 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15778 #include <sys/timeb.h>
15781 /* Get the current time as a TimeMark */
15783 GetTimeMark (TimeMark *tm)
15785 #if HAVE_GETTIMEOFDAY
15787 struct timeval timeVal;
15788 struct timezone timeZone;
15790 gettimeofday(&timeVal, &timeZone);
15791 tm->sec = (long) timeVal.tv_sec;
15792 tm->ms = (int) (timeVal.tv_usec / 1000L);
15794 #else /*!HAVE_GETTIMEOFDAY*/
15797 // include <sys/timeb.h> / moved to just above start of function
15798 struct timeb timeB;
15801 tm->sec = (long) timeB.time;
15802 tm->ms = (int) timeB.millitm;
15804 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15805 tm->sec = (long) time(NULL);
15811 /* Return the difference in milliseconds between two
15812 time marks. We assume the difference will fit in a long!
15815 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
15817 return 1000L*(tm2->sec - tm1->sec) +
15818 (long) (tm2->ms - tm1->ms);
15823 * Code to manage the game clocks.
15825 * In tournament play, black starts the clock and then white makes a move.
15826 * We give the human user a slight advantage if he is playing white---the
15827 * clocks don't run until he makes his first move, so it takes zero time.
15828 * Also, we don't account for network lag, so we could get out of sync
15829 * with GNU Chess's clock -- but then, referees are always right.
15832 static TimeMark tickStartTM;
15833 static long intendedTickLength;
15836 NextTickLength (long timeRemaining)
15838 long nominalTickLength, nextTickLength;
15840 if (timeRemaining > 0L && timeRemaining <= 10000L)
15841 nominalTickLength = 100L;
15843 nominalTickLength = 1000L;
15844 nextTickLength = timeRemaining % nominalTickLength;
15845 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15847 return nextTickLength;
15850 /* Adjust clock one minute up or down */
15852 AdjustClock (Boolean which, int dir)
15854 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15855 if(which) blackTimeRemaining += 60000*dir;
15856 else whiteTimeRemaining += 60000*dir;
15857 DisplayBothClocks();
15858 adjustedClock = TRUE;
15861 /* Stop clocks and reset to a fresh time control */
15865 (void) StopClockTimer();
15866 if (appData.icsActive) {
15867 whiteTimeRemaining = blackTimeRemaining = 0;
15868 } else if (searchTime) {
15869 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15870 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15871 } else { /* [HGM] correct new time quote for time odds */
15872 whiteTC = blackTC = fullTimeControlString;
15873 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15874 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15876 if (whiteFlag || blackFlag) {
15878 whiteFlag = blackFlag = FALSE;
15880 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15881 DisplayBothClocks();
15882 adjustedClock = FALSE;
15885 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15887 /* Decrement running clock by amount of time that has passed */
15891 long timeRemaining;
15892 long lastTickLength, fudge;
15895 if (!appData.clockMode) return;
15896 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15900 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15902 /* Fudge if we woke up a little too soon */
15903 fudge = intendedTickLength - lastTickLength;
15904 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15906 if (WhiteOnMove(forwardMostMove)) {
15907 if(whiteNPS >= 0) lastTickLength = 0;
15908 timeRemaining = whiteTimeRemaining -= lastTickLength;
15909 if(timeRemaining < 0 && !appData.icsActive) {
15910 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15911 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15912 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15913 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15916 DisplayWhiteClock(whiteTimeRemaining - fudge,
15917 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15919 if(blackNPS >= 0) lastTickLength = 0;
15920 timeRemaining = blackTimeRemaining -= lastTickLength;
15921 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15922 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15924 blackStartMove = forwardMostMove;
15925 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15928 DisplayBlackClock(blackTimeRemaining - fudge,
15929 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15931 if (CheckFlags()) return;
15934 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15935 StartClockTimer(intendedTickLength);
15937 /* if the time remaining has fallen below the alarm threshold, sound the
15938 * alarm. if the alarm has sounded and (due to a takeback or time control
15939 * with increment) the time remaining has increased to a level above the
15940 * threshold, reset the alarm so it can sound again.
15943 if (appData.icsActive && appData.icsAlarm) {
15945 /* make sure we are dealing with the user's clock */
15946 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
15947 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
15950 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
15951 alarmSounded = FALSE;
15952 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
15954 alarmSounded = TRUE;
15960 /* A player has just moved, so stop the previously running
15961 clock and (if in clock mode) start the other one.
15962 We redisplay both clocks in case we're in ICS mode, because
15963 ICS gives us an update to both clocks after every move.
15964 Note that this routine is called *after* forwardMostMove
15965 is updated, so the last fractional tick must be subtracted
15966 from the color that is *not* on move now.
15969 SwitchClocks (int newMoveNr)
15971 long lastTickLength;
15973 int flagged = FALSE;
15977 if (StopClockTimer() && appData.clockMode) {
15978 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15979 if (!WhiteOnMove(forwardMostMove)) {
15980 if(blackNPS >= 0) lastTickLength = 0;
15981 blackTimeRemaining -= lastTickLength;
15982 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15983 // if(pvInfoList[forwardMostMove].time == -1)
15984 pvInfoList[forwardMostMove].time = // use GUI time
15985 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
15987 if(whiteNPS >= 0) lastTickLength = 0;
15988 whiteTimeRemaining -= lastTickLength;
15989 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
15990 // if(pvInfoList[forwardMostMove].time == -1)
15991 pvInfoList[forwardMostMove].time =
15992 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
15994 flagged = CheckFlags();
15996 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
15997 CheckTimeControl();
15999 if (flagged || !appData.clockMode) return;
16001 switch (gameMode) {
16002 case MachinePlaysBlack:
16003 case MachinePlaysWhite:
16004 case BeginningOfGame:
16005 if (pausing) return;
16009 case PlayFromGameFile:
16017 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16018 if(WhiteOnMove(forwardMostMove))
16019 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16020 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16024 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16025 whiteTimeRemaining : blackTimeRemaining);
16026 StartClockTimer(intendedTickLength);
16030 /* Stop both clocks */
16034 long lastTickLength;
16037 if (!StopClockTimer()) return;
16038 if (!appData.clockMode) return;
16042 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16043 if (WhiteOnMove(forwardMostMove)) {
16044 if(whiteNPS >= 0) lastTickLength = 0;
16045 whiteTimeRemaining -= lastTickLength;
16046 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16048 if(blackNPS >= 0) lastTickLength = 0;
16049 blackTimeRemaining -= lastTickLength;
16050 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16055 /* Start clock of player on move. Time may have been reset, so
16056 if clock is already running, stop and restart it. */
16060 (void) StopClockTimer(); /* in case it was running already */
16061 DisplayBothClocks();
16062 if (CheckFlags()) return;
16064 if (!appData.clockMode) return;
16065 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16067 GetTimeMark(&tickStartTM);
16068 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16069 whiteTimeRemaining : blackTimeRemaining);
16071 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16072 whiteNPS = blackNPS = -1;
16073 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16074 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16075 whiteNPS = first.nps;
16076 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16077 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16078 blackNPS = first.nps;
16079 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16080 whiteNPS = second.nps;
16081 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16082 blackNPS = second.nps;
16083 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16085 StartClockTimer(intendedTickLength);
16089 TimeString (long ms)
16091 long second, minute, hour, day;
16093 static char buf[32];
16095 if (ms > 0 && ms <= 9900) {
16096 /* convert milliseconds to tenths, rounding up */
16097 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16099 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16103 /* convert milliseconds to seconds, rounding up */
16104 /* use floating point to avoid strangeness of integer division
16105 with negative dividends on many machines */
16106 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16113 day = second / (60 * 60 * 24);
16114 second = second % (60 * 60 * 24);
16115 hour = second / (60 * 60);
16116 second = second % (60 * 60);
16117 minute = second / 60;
16118 second = second % 60;
16121 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16122 sign, day, hour, minute, second);
16124 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16126 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16133 * This is necessary because some C libraries aren't ANSI C compliant yet.
16136 StrStr (char *string, char *match)
16140 length = strlen(match);
16142 for (i = strlen(string) - length; i >= 0; i--, string++)
16143 if (!strncmp(match, string, length))
16150 StrCaseStr (char *string, char *match)
16154 length = strlen(match);
16156 for (i = strlen(string) - length; i >= 0; i--, string++) {
16157 for (j = 0; j < length; j++) {
16158 if (ToLower(match[j]) != ToLower(string[j]))
16161 if (j == length) return string;
16169 StrCaseCmp (char *s1, char *s2)
16174 c1 = ToLower(*s1++);
16175 c2 = ToLower(*s2++);
16176 if (c1 > c2) return 1;
16177 if (c1 < c2) return -1;
16178 if (c1 == NULLCHAR) return 0;
16186 return isupper(c) ? tolower(c) : c;
16193 return islower(c) ? toupper(c) : c;
16195 #endif /* !_amigados */
16202 if ((ret = (char *) malloc(strlen(s) + 1)))
16204 safeStrCpy(ret, s, strlen(s)+1);
16210 StrSavePtr (char *s, char **savePtr)
16215 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16216 safeStrCpy(*savePtr, s, strlen(s)+1);
16228 clock = time((time_t *)NULL);
16229 tm = localtime(&clock);
16230 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16231 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16232 return StrSave(buf);
16237 PositionToFEN (int move, char *overrideCastling)
16239 int i, j, fromX, fromY, toX, toY;
16246 whiteToPlay = (gameMode == EditPosition) ?
16247 !blackPlaysFirst : (move % 2 == 0);
16250 /* Piece placement data */
16251 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16252 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16254 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16255 if (boards[move][i][j] == EmptySquare) {
16257 } else { ChessSquare piece = boards[move][i][j];
16258 if (emptycount > 0) {
16259 if(emptycount<10) /* [HGM] can be >= 10 */
16260 *p++ = '0' + emptycount;
16261 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16264 if(PieceToChar(piece) == '+') {
16265 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16267 piece = (ChessSquare)(DEMOTED piece);
16269 *p++ = PieceToChar(piece);
16271 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16272 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16277 if (emptycount > 0) {
16278 if(emptycount<10) /* [HGM] can be >= 10 */
16279 *p++ = '0' + emptycount;
16280 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16287 /* [HGM] print Crazyhouse or Shogi holdings */
16288 if( gameInfo.holdingsWidth ) {
16289 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16291 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16292 piece = boards[move][i][BOARD_WIDTH-1];
16293 if( piece != EmptySquare )
16294 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16295 *p++ = PieceToChar(piece);
16297 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16298 piece = boards[move][BOARD_HEIGHT-i-1][0];
16299 if( piece != EmptySquare )
16300 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16301 *p++ = PieceToChar(piece);
16304 if( q == p ) *p++ = '-';
16310 *p++ = whiteToPlay ? 'w' : 'b';
16313 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16314 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16316 if(nrCastlingRights) {
16318 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16319 /* [HGM] write directly from rights */
16320 if(boards[move][CASTLING][2] != NoRights &&
16321 boards[move][CASTLING][0] != NoRights )
16322 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16323 if(boards[move][CASTLING][2] != NoRights &&
16324 boards[move][CASTLING][1] != NoRights )
16325 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16326 if(boards[move][CASTLING][5] != NoRights &&
16327 boards[move][CASTLING][3] != NoRights )
16328 *p++ = boards[move][CASTLING][3] + AAA;
16329 if(boards[move][CASTLING][5] != NoRights &&
16330 boards[move][CASTLING][4] != NoRights )
16331 *p++ = boards[move][CASTLING][4] + AAA;
16334 /* [HGM] write true castling rights */
16335 if( nrCastlingRights == 6 ) {
16336 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16337 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16338 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16339 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16340 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16341 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16342 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16343 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16346 if (q == p) *p++ = '-'; /* No castling rights */
16350 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16351 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16352 /* En passant target square */
16353 if (move > backwardMostMove) {
16354 fromX = moveList[move - 1][0] - AAA;
16355 fromY = moveList[move - 1][1] - ONE;
16356 toX = moveList[move - 1][2] - AAA;
16357 toY = moveList[move - 1][3] - ONE;
16358 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16359 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16360 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16362 /* 2-square pawn move just happened */
16364 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16368 } else if(move == backwardMostMove) {
16369 // [HGM] perhaps we should always do it like this, and forget the above?
16370 if((signed char)boards[move][EP_STATUS] >= 0) {
16371 *p++ = boards[move][EP_STATUS] + AAA;
16372 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16383 /* [HGM] find reversible plies */
16384 { int i = 0, j=move;
16386 if (appData.debugMode) { int k;
16387 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16388 for(k=backwardMostMove; k<=forwardMostMove; k++)
16389 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16393 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16394 if( j == backwardMostMove ) i += initialRulePlies;
16395 sprintf(p, "%d ", i);
16396 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16398 /* Fullmove number */
16399 sprintf(p, "%d", (move / 2) + 1);
16401 return StrSave(buf);
16405 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16414 /* [HGM] by default clear Crazyhouse holdings, if present */
16415 if(gameInfo.holdingsWidth) {
16416 for(i=0; i<BOARD_HEIGHT; i++) {
16417 board[i][0] = EmptySquare; /* black holdings */
16418 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16419 board[i][1] = (ChessSquare) 0; /* black counts */
16420 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16424 /* Piece placement data */
16425 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16428 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16429 if (*p == '/') p++;
16430 emptycount = gameInfo.boardWidth - j;
16431 while (emptycount--)
16432 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16434 #if(BOARD_FILES >= 10)
16435 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16436 p++; emptycount=10;
16437 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16438 while (emptycount--)
16439 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16441 } else if (isdigit(*p)) {
16442 emptycount = *p++ - '0';
16443 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16444 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16445 while (emptycount--)
16446 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16447 } else if (*p == '+' || isalpha(*p)) {
16448 if (j >= gameInfo.boardWidth) return FALSE;
16450 piece = CharToPiece(*++p);
16451 if(piece == EmptySquare) return FALSE; /* unknown piece */
16452 piece = (ChessSquare) (PROMOTED piece ); p++;
16453 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16454 } else piece = CharToPiece(*p++);
16456 if(piece==EmptySquare) return FALSE; /* unknown piece */
16457 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16458 piece = (ChessSquare) (PROMOTED piece);
16459 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16462 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16468 while (*p == '/' || *p == ' ') p++;
16470 /* [HGM] look for Crazyhouse holdings here */
16471 while(*p==' ') p++;
16472 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16474 if(*p == '-' ) p++; /* empty holdings */ else {
16475 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16476 /* if we would allow FEN reading to set board size, we would */
16477 /* have to add holdings and shift the board read so far here */
16478 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16480 if((int) piece >= (int) BlackPawn ) {
16481 i = (int)piece - (int)BlackPawn;
16482 i = PieceToNumber((ChessSquare)i);
16483 if( i >= gameInfo.holdingsSize ) return FALSE;
16484 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16485 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16487 i = (int)piece - (int)WhitePawn;
16488 i = PieceToNumber((ChessSquare)i);
16489 if( i >= gameInfo.holdingsSize ) return FALSE;
16490 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16491 board[i][BOARD_WIDTH-2]++; /* black holdings */
16498 while(*p == ' ') p++;
16502 if(appData.colorNickNames) {
16503 if( c == appData.colorNickNames[0] ) c = 'w'; else
16504 if( c == appData.colorNickNames[1] ) c = 'b';
16508 *blackPlaysFirst = FALSE;
16511 *blackPlaysFirst = TRUE;
16517 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16518 /* return the extra info in global variiables */
16520 /* set defaults in case FEN is incomplete */
16521 board[EP_STATUS] = EP_UNKNOWN;
16522 for(i=0; i<nrCastlingRights; i++ ) {
16523 board[CASTLING][i] =
16524 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16525 } /* assume possible unless obviously impossible */
16526 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16527 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16528 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16529 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16530 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16531 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16532 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16533 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16536 while(*p==' ') p++;
16537 if(nrCastlingRights) {
16538 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16539 /* castling indicator present, so default becomes no castlings */
16540 for(i=0; i<nrCastlingRights; i++ ) {
16541 board[CASTLING][i] = NoRights;
16544 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16545 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16546 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16547 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16548 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16550 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16551 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16552 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16554 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16555 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16556 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16557 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16558 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16559 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16562 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16563 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16564 board[CASTLING][2] = whiteKingFile;
16567 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16568 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16569 board[CASTLING][2] = whiteKingFile;
16572 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16573 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16574 board[CASTLING][5] = blackKingFile;
16577 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16578 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16579 board[CASTLING][5] = blackKingFile;
16582 default: /* FRC castlings */
16583 if(c >= 'a') { /* black rights */
16584 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16585 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16586 if(i == BOARD_RGHT) break;
16587 board[CASTLING][5] = i;
16589 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16590 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16592 board[CASTLING][3] = c;
16594 board[CASTLING][4] = c;
16595 } else { /* white rights */
16596 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16597 if(board[0][i] == WhiteKing) break;
16598 if(i == BOARD_RGHT) break;
16599 board[CASTLING][2] = i;
16600 c -= AAA - 'a' + 'A';
16601 if(board[0][c] >= WhiteKing) break;
16603 board[CASTLING][0] = c;
16605 board[CASTLING][1] = c;
16609 for(i=0; i<nrCastlingRights; i++)
16610 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16611 if (appData.debugMode) {
16612 fprintf(debugFP, "FEN castling rights:");
16613 for(i=0; i<nrCastlingRights; i++)
16614 fprintf(debugFP, " %d", board[CASTLING][i]);
16615 fprintf(debugFP, "\n");
16618 while(*p==' ') p++;
16621 /* read e.p. field in games that know e.p. capture */
16622 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16623 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16625 p++; board[EP_STATUS] = EP_NONE;
16627 char c = *p++ - AAA;
16629 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16630 if(*p >= '0' && *p <='9') p++;
16631 board[EP_STATUS] = c;
16636 if(sscanf(p, "%d", &i) == 1) {
16637 FENrulePlies = i; /* 50-move ply counter */
16638 /* (The move number is still ignored) */
16645 EditPositionPasteFEN (char *fen)
16648 Board initial_position;
16650 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16651 DisplayError(_("Bad FEN position in clipboard"), 0);
16654 int savedBlackPlaysFirst = blackPlaysFirst;
16655 EditPositionEvent();
16656 blackPlaysFirst = savedBlackPlaysFirst;
16657 CopyBoard(boards[0], initial_position);
16658 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16659 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16660 DisplayBothClocks();
16661 DrawPosition(FALSE, boards[currentMove]);
16666 static char cseq[12] = "\\ ";
16669 set_cont_sequence (char *new_seq)
16674 // handle bad attempts to set the sequence
16676 return 0; // acceptable error - no debug
16678 len = strlen(new_seq);
16679 ret = (len > 0) && (len < sizeof(cseq));
16681 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16682 else if (appData.debugMode)
16683 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16688 reformat a source message so words don't cross the width boundary. internal
16689 newlines are not removed. returns the wrapped size (no null character unless
16690 included in source message). If dest is NULL, only calculate the size required
16691 for the dest buffer. lp argument indicats line position upon entry, and it's
16692 passed back upon exit.
16695 wrap (char *dest, char *src, int count, int width, int *lp)
16697 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16699 cseq_len = strlen(cseq);
16700 old_line = line = *lp;
16701 ansi = len = clen = 0;
16703 for (i=0; i < count; i++)
16705 if (src[i] == '\033')
16708 // if we hit the width, back up
16709 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16711 // store i & len in case the word is too long
16712 old_i = i, old_len = len;
16714 // find the end of the last word
16715 while (i && src[i] != ' ' && src[i] != '\n')
16721 // word too long? restore i & len before splitting it
16722 if ((old_i-i+clen) >= width)
16729 if (i && src[i-1] == ' ')
16732 if (src[i] != ' ' && src[i] != '\n')
16739 // now append the newline and continuation sequence
16744 strncpy(dest+len, cseq, cseq_len);
16752 dest[len] = src[i];
16756 if (src[i] == '\n')
16761 if (dest && appData.debugMode)
16763 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16764 count, width, line, len, *lp);
16765 show_bytes(debugFP, src, count);
16766 fprintf(debugFP, "\ndest: ");
16767 show_bytes(debugFP, dest, len);
16768 fprintf(debugFP, "\n");
16770 *lp = dest ? line : old_line;
16775 // [HGM] vari: routines for shelving variations
16776 Boolean modeRestore = FALSE;
16779 PushInner (int firstMove, int lastMove)
16781 int i, j, nrMoves = lastMove - firstMove;
16783 // push current tail of game on stack
16784 savedResult[storedGames] = gameInfo.result;
16785 savedDetails[storedGames] = gameInfo.resultDetails;
16786 gameInfo.resultDetails = NULL;
16787 savedFirst[storedGames] = firstMove;
16788 savedLast [storedGames] = lastMove;
16789 savedFramePtr[storedGames] = framePtr;
16790 framePtr -= nrMoves; // reserve space for the boards
16791 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16792 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16793 for(j=0; j<MOVE_LEN; j++)
16794 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16795 for(j=0; j<2*MOVE_LEN; j++)
16796 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16797 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16798 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16799 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16800 pvInfoList[firstMove+i-1].depth = 0;
16801 commentList[framePtr+i] = commentList[firstMove+i];
16802 commentList[firstMove+i] = NULL;
16806 forwardMostMove = firstMove; // truncate game so we can start variation
16810 PushTail (int firstMove, int lastMove)
16812 if(appData.icsActive) { // only in local mode
16813 forwardMostMove = currentMove; // mimic old ICS behavior
16816 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16818 PushInner(firstMove, lastMove);
16819 if(storedGames == 1) GreyRevert(FALSE);
16820 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16824 PopInner (Boolean annotate)
16827 char buf[8000], moveBuf[20];
16829 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16830 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16831 nrMoves = savedLast[storedGames] - currentMove;
16834 if(!WhiteOnMove(currentMove))
16835 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16836 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16837 for(i=currentMove; i<forwardMostMove; i++) {
16839 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16840 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16841 strcat(buf, moveBuf);
16842 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16843 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16847 for(i=1; i<=nrMoves; i++) { // copy last variation back
16848 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16849 for(j=0; j<MOVE_LEN; j++)
16850 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16851 for(j=0; j<2*MOVE_LEN; j++)
16852 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16853 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16854 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16855 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16856 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16857 commentList[currentMove+i] = commentList[framePtr+i];
16858 commentList[framePtr+i] = NULL;
16860 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16861 framePtr = savedFramePtr[storedGames];
16862 gameInfo.result = savedResult[storedGames];
16863 if(gameInfo.resultDetails != NULL) {
16864 free(gameInfo.resultDetails);
16866 gameInfo.resultDetails = savedDetails[storedGames];
16867 forwardMostMove = currentMove + nrMoves;
16871 PopTail (Boolean annotate)
16873 if(appData.icsActive) return FALSE; // only in local mode
16874 if(!storedGames) return FALSE; // sanity
16875 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16877 PopInner(annotate);
16878 if(currentMove < forwardMostMove) ForwardEvent(); else
16879 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16881 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16887 { // remove all shelved variations
16889 for(i=0; i<storedGames; i++) {
16890 if(savedDetails[i])
16891 free(savedDetails[i]);
16892 savedDetails[i] = NULL;
16894 for(i=framePtr; i<MAX_MOVES; i++) {
16895 if(commentList[i]) free(commentList[i]);
16896 commentList[i] = NULL;
16898 framePtr = MAX_MOVES-1;
16903 LoadVariation (int index, char *text)
16904 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16905 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16906 int level = 0, move;
16908 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16909 // first find outermost bracketing variation
16910 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16911 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16912 if(*p == '{') wait = '}'; else
16913 if(*p == '[') wait = ']'; else
16914 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16915 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16917 if(*p == wait) wait = NULLCHAR; // closing ]} found
16920 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16921 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16922 end[1] = NULLCHAR; // clip off comment beyond variation
16923 ToNrEvent(currentMove-1);
16924 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16925 // kludge: use ParsePV() to append variation to game
16926 move = currentMove;
16927 ParsePV(start, TRUE, TRUE);
16928 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16929 ClearPremoveHighlights();
16931 ToNrEvent(currentMove+1);