2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void ics_printf P((char *format, ...));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
227 extern void ConsoleCreate();
230 ChessProgramState *WhitePlayer();
231 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
232 int VerifyDisplayMode P(());
234 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
235 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
236 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
237 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
238 void ics_update_width P((int new_width));
239 extern char installDir[MSG_SIZ];
240 VariantClass startVariant; /* [HGM] nicks: initial variant */
243 extern int tinyLayout, smallLayout;
244 ChessProgramStats programStats;
245 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
247 static int exiting = 0; /* [HGM] moved to top */
248 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
249 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
250 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
251 int partnerHighlight[2];
252 Boolean partnerBoardValid = 0;
253 char partnerStatus[MSG_SIZ];
255 Boolean originalFlip;
256 Boolean twoBoards = 0;
257 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
258 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
259 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
260 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
261 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
262 int opponentKibitzes;
263 int lastSavedGame; /* [HGM] save: ID of game */
264 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
265 extern int chatCount;
267 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
268 char lastMsg[MSG_SIZ];
269 ChessSquare pieceSweep = EmptySquare;
270 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
271 int promoDefaultAltered;
273 /* States for ics_getting_history */
275 #define H_REQUESTED 1
276 #define H_GOT_REQ_HEADER 2
277 #define H_GOT_UNREQ_HEADER 3
278 #define H_GETTING_MOVES 4
279 #define H_GOT_UNWANTED_HEADER 5
281 /* whosays values for GameEnds */
290 /* Maximum number of games in a cmail message */
291 #define CMAIL_MAX_GAMES 20
293 /* Different types of move when calling RegisterMove */
295 #define CMAIL_RESIGN 1
297 #define CMAIL_ACCEPT 3
299 /* Different types of result to remember for each game */
300 #define CMAIL_NOT_RESULT 0
301 #define CMAIL_OLD_RESULT 1
302 #define CMAIL_NEW_RESULT 2
304 /* Telnet protocol constants */
315 safeStrCpy (char *dst, const char *src, size_t count)
318 assert( dst != NULL );
319 assert( src != NULL );
322 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
323 if( i == count && dst[count-1] != NULLCHAR)
325 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
326 if(appData.debugMode)
327 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
333 /* Some compiler can't cast u64 to double
334 * This function do the job for us:
336 * We use the highest bit for cast, this only
337 * works if the highest bit is not
338 * in use (This should not happen)
340 * We used this for all compiler
343 u64ToDouble (u64 value)
346 u64 tmp = value & u64Const(0x7fffffffffffffff);
347 r = (double)(s64)tmp;
348 if (value & u64Const(0x8000000000000000))
349 r += 9.2233720368547758080e18; /* 2^63 */
353 /* Fake up flags for now, as we aren't keeping track of castling
354 availability yet. [HGM] Change of logic: the flag now only
355 indicates the type of castlings allowed by the rule of the game.
356 The actual rights themselves are maintained in the array
357 castlingRights, as part of the game history, and are not probed
363 int flags = F_ALL_CASTLE_OK;
364 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
365 switch (gameInfo.variant) {
367 flags &= ~F_ALL_CASTLE_OK;
368 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
369 flags |= F_IGNORE_CHECK;
371 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
374 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
376 case VariantKriegspiel:
377 flags |= F_KRIEGSPIEL_CAPTURE;
379 case VariantCapaRandom:
380 case VariantFischeRandom:
381 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
382 case VariantNoCastle:
383 case VariantShatranj:
387 flags &= ~F_ALL_CASTLE_OK;
395 FILE *gameFileFP, *debugFP, *serverFP;
396 char *currentDebugFile; // [HGM] debug split: to remember name
399 [AS] Note: sometimes, the sscanf() function is used to parse the input
400 into a fixed-size buffer. Because of this, we must be prepared to
401 receive strings as long as the size of the input buffer, which is currently
402 set to 4K for Windows and 8K for the rest.
403 So, we must either allocate sufficiently large buffers here, or
404 reduce the size of the input buffer in the input reading part.
407 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
408 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
409 char thinkOutput1[MSG_SIZ*10];
411 ChessProgramState first, second, pairing;
413 /* premove variables */
416 int premoveFromX = 0;
417 int premoveFromY = 0;
418 int premovePromoChar = 0;
420 Boolean alarmSounded;
421 /* end premove variables */
423 char *ics_prefix = "$";
424 int ics_type = ICS_GENERIC;
426 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
427 int pauseExamForwardMostMove = 0;
428 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
429 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
430 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
431 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
432 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
433 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
434 int whiteFlag = FALSE, blackFlag = FALSE;
435 int userOfferedDraw = FALSE;
436 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
437 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
438 int cmailMoveType[CMAIL_MAX_GAMES];
439 long ics_clock_paused = 0;
440 ProcRef icsPR = NoProc, cmailPR = NoProc;
441 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
442 GameMode gameMode = BeginningOfGame;
443 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
444 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
445 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
446 int hiddenThinkOutputState = 0; /* [AS] */
447 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
448 int adjudicateLossPlies = 6;
449 char white_holding[64], black_holding[64];
450 TimeMark lastNodeCountTime;
451 long lastNodeCount=0;
452 int shiftKey; // [HGM] set by mouse handler
454 int have_sent_ICS_logon = 0;
456 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
457 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
458 Boolean adjustedClock;
459 long timeControl_2; /* [AS] Allow separate time controls */
460 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
461 long timeRemaining[2][MAX_MOVES];
462 int matchGame = 0, nextGame = 0, roundNr = 0;
463 Boolean waitingForGame = FALSE;
464 TimeMark programStartTime, pauseStart;
465 char ics_handle[MSG_SIZ];
466 int have_set_title = 0;
468 /* animateTraining preserves the state of appData.animate
469 * when Training mode is activated. This allows the
470 * response to be animated when appData.animate == TRUE and
471 * appData.animateDragging == TRUE.
473 Boolean animateTraining;
479 Board boards[MAX_MOVES];
480 /* [HGM] Following 7 needed for accurate legality tests: */
481 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
482 signed char initialRights[BOARD_FILES];
483 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
484 int initialRulePlies, FENrulePlies;
485 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
487 Boolean shuffleOpenings;
488 int mute; // mute all sounds
490 // [HGM] vari: next 12 to save and restore variations
491 #define MAX_VARIATIONS 10
492 int framePtr = MAX_MOVES-1; // points to free stack entry
494 int savedFirst[MAX_VARIATIONS];
495 int savedLast[MAX_VARIATIONS];
496 int savedFramePtr[MAX_VARIATIONS];
497 char *savedDetails[MAX_VARIATIONS];
498 ChessMove savedResult[MAX_VARIATIONS];
500 void PushTail P((int firstMove, int lastMove));
501 Boolean PopTail P((Boolean annotate));
502 void PushInner P((int firstMove, int lastMove));
503 void PopInner P((Boolean annotate));
504 void CleanupTail P((void));
506 ChessSquare FIDEArray[2][BOARD_FILES] = {
507 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
508 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
509 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
510 BlackKing, BlackBishop, BlackKnight, BlackRook }
513 ChessSquare twoKingsArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackKing, BlackKnight, BlackRook }
520 ChessSquare KnightmateArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
522 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
523 { BlackRook, BlackMan, BlackBishop, BlackQueen,
524 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
527 ChessSquare SpartanArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
529 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
530 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
531 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
534 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
538 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
541 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
542 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
543 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
544 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
545 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
548 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
550 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackMan, BlackFerz,
552 BlackKing, BlackMan, BlackKnight, BlackRook }
556 #if (BOARD_FILES>=10)
557 ChessSquare ShogiArray[2][BOARD_FILES] = {
558 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
559 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
560 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
561 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
564 ChessSquare XiangqiArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
566 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
567 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
568 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
571 ChessSquare CapablancaArray[2][BOARD_FILES] = {
572 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
574 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
575 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
578 ChessSquare GreatArray[2][BOARD_FILES] = {
579 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
580 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
581 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
582 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
585 ChessSquare JanusArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
587 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
588 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
589 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
592 ChessSquare GrandArray[2][BOARD_FILES] = {
593 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
594 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
595 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
596 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
600 ChessSquare GothicArray[2][BOARD_FILES] = {
601 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
602 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
603 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
604 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
607 #define GothicArray CapablancaArray
611 ChessSquare FalconArray[2][BOARD_FILES] = {
612 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
613 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
614 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
615 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
618 #define FalconArray CapablancaArray
621 #else // !(BOARD_FILES>=10)
622 #define XiangqiPosition FIDEArray
623 #define CapablancaArray FIDEArray
624 #define GothicArray FIDEArray
625 #define GreatArray FIDEArray
626 #endif // !(BOARD_FILES>=10)
628 #if (BOARD_FILES>=12)
629 ChessSquare CourierArray[2][BOARD_FILES] = {
630 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
631 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
632 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
633 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
635 #else // !(BOARD_FILES>=12)
636 #define CourierArray CapablancaArray
637 #endif // !(BOARD_FILES>=12)
640 Board initialPosition;
643 /* Convert str to a rating. Checks for special cases of "----",
645 "++++", etc. Also strips ()'s */
647 string_to_rating (char *str)
649 while(*str && !isdigit(*str)) ++str;
651 return 0; /* One of the special "no rating" cases */
659 /* Init programStats */
660 programStats.movelist[0] = 0;
661 programStats.depth = 0;
662 programStats.nr_moves = 0;
663 programStats.moves_left = 0;
664 programStats.nodes = 0;
665 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
666 programStats.score = 0;
667 programStats.got_only_move = 0;
668 programStats.got_fail = 0;
669 programStats.line_is_book = 0;
674 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
675 if (appData.firstPlaysBlack) {
676 first.twoMachinesColor = "black\n";
677 second.twoMachinesColor = "white\n";
679 first.twoMachinesColor = "white\n";
680 second.twoMachinesColor = "black\n";
683 first.other = &second;
684 second.other = &first;
687 if(appData.timeOddsMode) {
688 norm = appData.timeOdds[0];
689 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
691 first.timeOdds = appData.timeOdds[0]/norm;
692 second.timeOdds = appData.timeOdds[1]/norm;
695 if(programVersion) free(programVersion);
696 if (appData.noChessProgram) {
697 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
698 sprintf(programVersion, "%s", PACKAGE_STRING);
700 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
701 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
702 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
707 UnloadEngine (ChessProgramState *cps)
709 /* Kill off first chess program */
710 if (cps->isr != NULL)
711 RemoveInputSource(cps->isr);
714 if (cps->pr != NoProc) {
716 DoSleep( appData.delayBeforeQuit );
717 SendToProgram("quit\n", cps);
718 DoSleep( appData.delayAfterQuit );
719 DestroyChildProcess(cps->pr, cps->useSigterm);
722 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
726 ClearOptions (ChessProgramState *cps)
729 cps->nrOptions = cps->comboCnt = 0;
730 for(i=0; i<MAX_OPTIONS; i++) {
731 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
732 cps->option[i].textValue = 0;
736 char *engineNames[] = {
737 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
738 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
740 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
741 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
746 InitEngine (ChessProgramState *cps, int n)
747 { // [HGM] all engine initialiation put in a function that does one engine
751 cps->which = engineNames[n];
752 cps->maybeThinking = FALSE;
756 cps->sendDrawOffers = 1;
758 cps->program = appData.chessProgram[n];
759 cps->host = appData.host[n];
760 cps->dir = appData.directory[n];
761 cps->initString = appData.engInitString[n];
762 cps->computerString = appData.computerString[n];
763 cps->useSigint = TRUE;
764 cps->useSigterm = TRUE;
765 cps->reuse = appData.reuse[n];
766 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
767 cps->useSetboard = FALSE;
769 cps->usePing = FALSE;
772 cps->usePlayother = FALSE;
773 cps->useColors = TRUE;
774 cps->useUsermove = FALSE;
775 cps->sendICS = FALSE;
776 cps->sendName = appData.icsActive;
777 cps->sdKludge = FALSE;
778 cps->stKludge = FALSE;
779 TidyProgramName(cps->program, cps->host, cps->tidy);
781 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
782 cps->analysisSupport = 2; /* detect */
783 cps->analyzing = FALSE;
784 cps->initDone = FALSE;
786 /* New features added by Tord: */
787 cps->useFEN960 = FALSE;
788 cps->useOOCastle = TRUE;
789 /* End of new features added by Tord. */
790 cps->fenOverride = appData.fenOverride[n];
792 /* [HGM] time odds: set factor for each machine */
793 cps->timeOdds = appData.timeOdds[n];
795 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
796 cps->accumulateTC = appData.accumulateTC[n];
797 cps->maxNrOfSessions = 1;
802 cps->supportsNPS = UNKNOWN;
803 cps->memSize = FALSE;
804 cps->maxCores = FALSE;
805 cps->egtFormats[0] = NULLCHAR;
808 cps->optionSettings = appData.engOptions[n];
810 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
811 cps->isUCI = appData.isUCI[n]; /* [AS] */
812 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
814 if (appData.protocolVersion[n] > PROTOVER
815 || appData.protocolVersion[n] < 1)
820 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
821 appData.protocolVersion[n]);
822 if( (len >= MSG_SIZ) && appData.debugMode )
823 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
825 DisplayFatalError(buf, 0, 2);
829 cps->protocolVersion = appData.protocolVersion[n];
832 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
833 ParseFeatures(appData.featureDefaults, cps);
836 ChessProgramState *savCps;
842 if(WaitForEngine(savCps, LoadEngine)) return;
843 CommonEngineInit(); // recalculate time odds
844 if(gameInfo.variant != StringToVariant(appData.variant)) {
845 // we changed variant when loading the engine; this forces us to reset
846 Reset(TRUE, savCps != &first);
847 EditGameEvent(); // for consistency with other path, as Reset changes mode
849 InitChessProgram(savCps, FALSE);
850 SendToProgram("force\n", savCps);
851 DisplayMessage("", "");
852 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
853 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
859 ReplaceEngine (ChessProgramState *cps, int n)
863 appData.noChessProgram = FALSE;
864 appData.clockMode = TRUE;
867 if(n) return; // only startup first engine immediately; second can wait
868 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
872 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
873 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
875 static char resetOptions[] =
876 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
877 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
878 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
881 FloatToFront(char **list, char *engineLine)
883 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
885 if(appData.recentEngines <= 0) return;
886 TidyProgramName(engineLine, "localhost", tidy+1);
887 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
888 strncpy(buf+1, *list, MSG_SIZ-50);
889 if(p = strstr(buf, tidy)) { // tidy name appears in list
890 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
891 while(*p++ = *++q); // squeeze out
893 strcat(tidy, buf+1); // put list behind tidy name
894 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
895 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
896 ASSIGN(*list, tidy+1);
900 Load (ChessProgramState *cps, int i)
902 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
903 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
904 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
905 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
906 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
907 appData.firstProtocolVersion = PROTOVER;
908 ParseArgsFromString(buf);
910 ReplaceEngine(cps, i);
911 FloatToFront(&appData.recentEngineList, engineLine);
915 while(q = strchr(p, SLASH)) p = q+1;
916 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
917 if(engineDir[0] != NULLCHAR)
918 appData.directory[i] = engineDir;
919 else if(p != engineName) { // derive directory from engine path, when not given
921 appData.directory[i] = strdup(engineName);
923 } else appData.directory[i] = ".";
925 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
926 snprintf(command, MSG_SIZ, "%s %s", p, params);
929 appData.chessProgram[i] = strdup(p);
930 appData.isUCI[i] = isUCI;
931 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
932 appData.hasOwnBookUCI[i] = hasBook;
933 if(!nickName[0]) useNick = FALSE;
934 if(useNick) ASSIGN(appData.pgnName[i], nickName);
938 q = firstChessProgramNames;
939 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
940 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
941 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
942 quote, p, quote, appData.directory[i],
943 useNick ? " -fn \"" : "",
944 useNick ? nickName : "",
946 v1 ? " -firstProtocolVersion 1" : "",
947 hasBook ? "" : " -fNoOwnBookUCI",
948 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
949 storeVariant ? " -variant " : "",
950 storeVariant ? VariantName(gameInfo.variant) : "");
951 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
952 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
954 FloatToFront(&appData.recentEngineList, buf);
956 ReplaceEngine(cps, i);
962 int matched, min, sec;
964 * Parse timeControl resource
966 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
967 appData.movesPerSession)) {
969 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
970 DisplayFatalError(buf, 0, 2);
974 * Parse searchTime resource
976 if (*appData.searchTime != NULLCHAR) {
977 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
979 searchTime = min * 60;
980 } else if (matched == 2) {
981 searchTime = min * 60 + sec;
984 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
985 DisplayFatalError(buf, 0, 2);
994 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
995 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
997 GetTimeMark(&programStartTime);
998 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
999 appData.seedBase = random() + (random()<<15);
1000 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1002 ClearProgramStats();
1003 programStats.ok_to_send = 1;
1004 programStats.seen_stat = 0;
1007 * Initialize game list
1013 * Internet chess server status
1015 if (appData.icsActive) {
1016 appData.matchMode = FALSE;
1017 appData.matchGames = 0;
1019 appData.noChessProgram = !appData.zippyPlay;
1021 appData.zippyPlay = FALSE;
1022 appData.zippyTalk = FALSE;
1023 appData.noChessProgram = TRUE;
1025 if (*appData.icsHelper != NULLCHAR) {
1026 appData.useTelnet = TRUE;
1027 appData.telnetProgram = appData.icsHelper;
1030 appData.zippyTalk = appData.zippyPlay = FALSE;
1033 /* [AS] Initialize pv info list [HGM] and game state */
1037 for( i=0; i<=framePtr; i++ ) {
1038 pvInfoList[i].depth = -1;
1039 boards[i][EP_STATUS] = EP_NONE;
1040 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1046 /* [AS] Adjudication threshold */
1047 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1049 InitEngine(&first, 0);
1050 InitEngine(&second, 1);
1053 pairing.which = "pairing"; // pairing engine
1054 pairing.pr = NoProc;
1056 pairing.program = appData.pairingEngine;
1057 pairing.host = "localhost";
1060 if (appData.icsActive) {
1061 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1062 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1063 appData.clockMode = FALSE;
1064 first.sendTime = second.sendTime = 0;
1068 /* Override some settings from environment variables, for backward
1069 compatibility. Unfortunately it's not feasible to have the env
1070 vars just set defaults, at least in xboard. Ugh.
1072 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1077 if (!appData.icsActive) {
1081 /* Check for variants that are supported only in ICS mode,
1082 or not at all. Some that are accepted here nevertheless
1083 have bugs; see comments below.
1085 VariantClass variant = StringToVariant(appData.variant);
1087 case VariantBughouse: /* need four players and two boards */
1088 case VariantKriegspiel: /* need to hide pieces and move details */
1089 /* case VariantFischeRandom: (Fabien: moved below) */
1090 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1091 if( (len >= MSG_SIZ) && appData.debugMode )
1092 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1094 DisplayFatalError(buf, 0, 2);
1097 case VariantUnknown:
1098 case VariantLoadable:
1108 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1109 if( (len >= MSG_SIZ) && appData.debugMode )
1110 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1112 DisplayFatalError(buf, 0, 2);
1115 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1116 case VariantFairy: /* [HGM] TestLegality definitely off! */
1117 case VariantGothic: /* [HGM] should work */
1118 case VariantCapablanca: /* [HGM] should work */
1119 case VariantCourier: /* [HGM] initial forced moves not implemented */
1120 case VariantShogi: /* [HGM] could still mate with pawn drop */
1121 case VariantKnightmate: /* [HGM] should work */
1122 case VariantCylinder: /* [HGM] untested */
1123 case VariantFalcon: /* [HGM] untested */
1124 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1125 offboard interposition not understood */
1126 case VariantNormal: /* definitely works! */
1127 case VariantWildCastle: /* pieces not automatically shuffled */
1128 case VariantNoCastle: /* pieces not automatically shuffled */
1129 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1130 case VariantLosers: /* should work except for win condition,
1131 and doesn't know captures are mandatory */
1132 case VariantSuicide: /* should work except for win condition,
1133 and doesn't know captures are mandatory */
1134 case VariantGiveaway: /* should work except for win condition,
1135 and doesn't know captures are mandatory */
1136 case VariantTwoKings: /* should work */
1137 case VariantAtomic: /* should work except for win condition */
1138 case Variant3Check: /* should work except for win condition */
1139 case VariantShatranj: /* should work except for all win conditions */
1140 case VariantMakruk: /* should work except for draw countdown */
1141 case VariantBerolina: /* might work if TestLegality is off */
1142 case VariantCapaRandom: /* should work */
1143 case VariantJanus: /* should work */
1144 case VariantSuper: /* experimental */
1145 case VariantGreat: /* experimental, requires legality testing to be off */
1146 case VariantSChess: /* S-Chess, should work */
1147 case VariantGrand: /* should work */
1148 case VariantSpartan: /* should work */
1156 NextIntegerFromString (char ** str, long * value)
1161 while( *s == ' ' || *s == '\t' ) {
1167 if( *s >= '0' && *s <= '9' ) {
1168 while( *s >= '0' && *s <= '9' ) {
1169 *value = *value * 10 + (*s - '0');
1182 NextTimeControlFromString (char ** str, long * value)
1185 int result = NextIntegerFromString( str, &temp );
1188 *value = temp * 60; /* Minutes */
1189 if( **str == ':' ) {
1191 result = NextIntegerFromString( str, &temp );
1192 *value += temp; /* Seconds */
1200 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1201 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1202 int result = -1, type = 0; long temp, temp2;
1204 if(**str != ':') return -1; // old params remain in force!
1206 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1207 if( NextIntegerFromString( str, &temp ) ) return -1;
1208 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1211 /* time only: incremental or sudden-death time control */
1212 if(**str == '+') { /* increment follows; read it */
1214 if(**str == '!') type = *(*str)++; // Bronstein TC
1215 if(result = NextIntegerFromString( str, &temp2)) return -1;
1216 *inc = temp2 * 1000;
1217 if(**str == '.') { // read fraction of increment
1218 char *start = ++(*str);
1219 if(result = NextIntegerFromString( str, &temp2)) return -1;
1221 while(start++ < *str) temp2 /= 10;
1225 *moves = 0; *tc = temp * 1000; *incType = type;
1229 (*str)++; /* classical time control */
1230 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1242 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1243 { /* [HGM] get time to add from the multi-session time-control string */
1244 int incType, moves=1; /* kludge to force reading of first session */
1245 long time, increment;
1248 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1250 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1251 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1252 if(movenr == -1) return time; /* last move before new session */
1253 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1254 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1255 if(!moves) return increment; /* current session is incremental */
1256 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1257 } while(movenr >= -1); /* try again for next session */
1259 return 0; // no new time quota on this move
1263 ParseTimeControl (char *tc, float ti, int mps)
1267 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1270 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1271 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1272 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1276 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1278 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1281 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1283 snprintf(buf, MSG_SIZ, ":%s", mytc);
1285 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1287 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1292 /* Parse second time control */
1295 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1303 timeControl_2 = tc2 * 1000;
1313 timeControl = tc1 * 1000;
1316 timeIncrement = ti * 1000; /* convert to ms */
1317 movesPerSession = 0;
1320 movesPerSession = mps;
1328 if (appData.debugMode) {
1329 fprintf(debugFP, "%s\n", programVersion);
1331 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1333 set_cont_sequence(appData.wrapContSeq);
1334 if (appData.matchGames > 0) {
1335 appData.matchMode = TRUE;
1336 } else if (appData.matchMode) {
1337 appData.matchGames = 1;
1339 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1340 appData.matchGames = appData.sameColorGames;
1341 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1342 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1343 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1346 if (appData.noChessProgram || first.protocolVersion == 1) {
1349 /* kludge: allow timeout for initial "feature" commands */
1351 DisplayMessage("", _("Starting chess program"));
1352 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1357 CalculateIndex (int index, int gameNr)
1358 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1360 if(index > 0) return index; // fixed nmber
1361 if(index == 0) return 1;
1362 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1363 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1368 LoadGameOrPosition (int gameNr)
1369 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1370 if (*appData.loadGameFile != NULLCHAR) {
1371 if (!LoadGameFromFile(appData.loadGameFile,
1372 CalculateIndex(appData.loadGameIndex, gameNr),
1373 appData.loadGameFile, FALSE)) {
1374 DisplayFatalError(_("Bad game file"), 0, 1);
1377 } else if (*appData.loadPositionFile != NULLCHAR) {
1378 if (!LoadPositionFromFile(appData.loadPositionFile,
1379 CalculateIndex(appData.loadPositionIndex, gameNr),
1380 appData.loadPositionFile)) {
1381 DisplayFatalError(_("Bad position file"), 0, 1);
1389 ReserveGame (int gameNr, char resChar)
1391 FILE *tf = fopen(appData.tourneyFile, "r+");
1392 char *p, *q, c, buf[MSG_SIZ];
1393 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1394 safeStrCpy(buf, lastMsg, MSG_SIZ);
1395 DisplayMessage(_("Pick new game"), "");
1396 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1397 ParseArgsFromFile(tf);
1398 p = q = appData.results;
1399 if(appData.debugMode) {
1400 char *r = appData.participants;
1401 fprintf(debugFP, "results = '%s'\n", p);
1402 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1403 fprintf(debugFP, "\n");
1405 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1407 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1408 safeStrCpy(q, p, strlen(p) + 2);
1409 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1410 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1411 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1412 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1415 fseek(tf, -(strlen(p)+4), SEEK_END);
1417 if(c != '"') // depending on DOS or Unix line endings we can be one off
1418 fseek(tf, -(strlen(p)+2), SEEK_END);
1419 else fseek(tf, -(strlen(p)+3), SEEK_END);
1420 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1421 DisplayMessage(buf, "");
1422 free(p); appData.results = q;
1423 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1424 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1425 int round = appData.defaultMatchGames * appData.tourneyType;
1426 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1427 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1428 UnloadEngine(&first); // next game belongs to other pairing;
1429 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1431 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1435 MatchEvent (int mode)
1436 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1438 if(matchMode) { // already in match mode: switch it off
1440 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1443 // if(gameMode != BeginningOfGame) {
1444 // DisplayError(_("You can only start a match from the initial position."), 0);
1448 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1449 /* Set up machine vs. machine match */
1451 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1452 if(appData.tourneyFile[0]) {
1454 if(nextGame > appData.matchGames) {
1456 if(strchr(appData.results, '*') == NULL) {
1458 appData.tourneyCycles++;
1459 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1461 NextTourneyGame(-1, &dummy);
1463 if(nextGame <= appData.matchGames) {
1464 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1466 ScheduleDelayedEvent(NextMatchGame, 10000);
1471 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1472 DisplayError(buf, 0);
1473 appData.tourneyFile[0] = 0;
1477 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1478 DisplayFatalError(_("Can't have a match with no chess programs"),
1483 matchGame = roundNr = 1;
1484 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1488 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1491 InitBackEnd3 P((void))
1493 GameMode initialMode;
1497 InitChessProgram(&first, startedFromSetupPosition);
1499 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1500 free(programVersion);
1501 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1502 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1503 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1506 if (appData.icsActive) {
1508 /* [DM] Make a console window if needed [HGM] merged ifs */
1514 if (*appData.icsCommPort != NULLCHAR)
1515 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1516 appData.icsCommPort);
1518 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1519 appData.icsHost, appData.icsPort);
1521 if( (len >= MSG_SIZ) && appData.debugMode )
1522 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1524 DisplayFatalError(buf, err, 1);
1529 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1531 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1532 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1533 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1534 } else if (appData.noChessProgram) {
1540 if (*appData.cmailGameName != NULLCHAR) {
1542 OpenLoopback(&cmailPR);
1544 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1548 DisplayMessage("", "");
1549 if (StrCaseCmp(appData.initialMode, "") == 0) {
1550 initialMode = BeginningOfGame;
1551 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1552 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1553 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1554 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1557 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1558 initialMode = TwoMachinesPlay;
1559 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1560 initialMode = AnalyzeFile;
1561 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1562 initialMode = AnalyzeMode;
1563 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1564 initialMode = MachinePlaysWhite;
1565 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1566 initialMode = MachinePlaysBlack;
1567 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1568 initialMode = EditGame;
1569 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1570 initialMode = EditPosition;
1571 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1572 initialMode = Training;
1574 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1575 if( (len >= MSG_SIZ) && appData.debugMode )
1576 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1578 DisplayFatalError(buf, 0, 2);
1582 if (appData.matchMode) {
1583 if(appData.tourneyFile[0]) { // start tourney from command line
1585 if(f = fopen(appData.tourneyFile, "r")) {
1586 ParseArgsFromFile(f); // make sure tourney parmeters re known
1588 appData.clockMode = TRUE;
1590 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1593 } else if (*appData.cmailGameName != NULLCHAR) {
1594 /* Set up cmail mode */
1595 ReloadCmailMsgEvent(TRUE);
1597 /* Set up other modes */
1598 if (initialMode == AnalyzeFile) {
1599 if (*appData.loadGameFile == NULLCHAR) {
1600 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1604 if (*appData.loadGameFile != NULLCHAR) {
1605 (void) LoadGameFromFile(appData.loadGameFile,
1606 appData.loadGameIndex,
1607 appData.loadGameFile, TRUE);
1608 } else if (*appData.loadPositionFile != NULLCHAR) {
1609 (void) LoadPositionFromFile(appData.loadPositionFile,
1610 appData.loadPositionIndex,
1611 appData.loadPositionFile);
1612 /* [HGM] try to make self-starting even after FEN load */
1613 /* to allow automatic setup of fairy variants with wtm */
1614 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1615 gameMode = BeginningOfGame;
1616 setboardSpoiledMachineBlack = 1;
1618 /* [HGM] loadPos: make that every new game uses the setup */
1619 /* from file as long as we do not switch variant */
1620 if(!blackPlaysFirst) {
1621 startedFromPositionFile = TRUE;
1622 CopyBoard(filePosition, boards[0]);
1625 if (initialMode == AnalyzeMode) {
1626 if (appData.noChessProgram) {
1627 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1630 if (appData.icsActive) {
1631 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1635 } else if (initialMode == AnalyzeFile) {
1636 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1637 ShowThinkingEvent();
1639 AnalysisPeriodicEvent(1);
1640 } else if (initialMode == MachinePlaysWhite) {
1641 if (appData.noChessProgram) {
1642 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1646 if (appData.icsActive) {
1647 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1651 MachineWhiteEvent();
1652 } else if (initialMode == MachinePlaysBlack) {
1653 if (appData.noChessProgram) {
1654 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1658 if (appData.icsActive) {
1659 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1663 MachineBlackEvent();
1664 } else if (initialMode == TwoMachinesPlay) {
1665 if (appData.noChessProgram) {
1666 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1670 if (appData.icsActive) {
1671 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1676 } else if (initialMode == EditGame) {
1678 } else if (initialMode == EditPosition) {
1679 EditPositionEvent();
1680 } else if (initialMode == Training) {
1681 if (*appData.loadGameFile == NULLCHAR) {
1682 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1691 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1693 DisplayBook(current+1);
1695 MoveHistorySet( movelist, first, last, current, pvInfoList );
1697 EvalGraphSet( first, last, current, pvInfoList );
1699 MakeEngineOutputTitle();
1703 * Establish will establish a contact to a remote host.port.
1704 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1705 * used to talk to the host.
1706 * Returns 0 if okay, error code if not.
1713 if (*appData.icsCommPort != NULLCHAR) {
1714 /* Talk to the host through a serial comm port */
1715 return OpenCommPort(appData.icsCommPort, &icsPR);
1717 } else if (*appData.gateway != NULLCHAR) {
1718 if (*appData.remoteShell == NULLCHAR) {
1719 /* Use the rcmd protocol to run telnet program on a gateway host */
1720 snprintf(buf, sizeof(buf), "%s %s %s",
1721 appData.telnetProgram, appData.icsHost, appData.icsPort);
1722 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1725 /* Use the rsh program to run telnet program on a gateway host */
1726 if (*appData.remoteUser == NULLCHAR) {
1727 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1728 appData.gateway, appData.telnetProgram,
1729 appData.icsHost, appData.icsPort);
1731 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1732 appData.remoteShell, appData.gateway,
1733 appData.remoteUser, appData.telnetProgram,
1734 appData.icsHost, appData.icsPort);
1736 return StartChildProcess(buf, "", &icsPR);
1739 } else if (appData.useTelnet) {
1740 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1743 /* TCP socket interface differs somewhat between
1744 Unix and NT; handle details in the front end.
1746 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1751 EscapeExpand (char *p, char *q)
1752 { // [HGM] initstring: routine to shape up string arguments
1753 while(*p++ = *q++) if(p[-1] == '\\')
1755 case 'n': p[-1] = '\n'; break;
1756 case 'r': p[-1] = '\r'; break;
1757 case 't': p[-1] = '\t'; break;
1758 case '\\': p[-1] = '\\'; break;
1759 case 0: *p = 0; return;
1760 default: p[-1] = q[-1]; break;
1765 show_bytes (FILE *fp, char *buf, int count)
1768 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1769 fprintf(fp, "\\%03o", *buf & 0xff);
1778 /* Returns an errno value */
1780 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1782 char buf[8192], *p, *q, *buflim;
1783 int left, newcount, outcount;
1785 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1786 *appData.gateway != NULLCHAR) {
1787 if (appData.debugMode) {
1788 fprintf(debugFP, ">ICS: ");
1789 show_bytes(debugFP, message, count);
1790 fprintf(debugFP, "\n");
1792 return OutputToProcess(pr, message, count, outError);
1795 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1802 if (appData.debugMode) {
1803 fprintf(debugFP, ">ICS: ");
1804 show_bytes(debugFP, buf, newcount);
1805 fprintf(debugFP, "\n");
1807 outcount = OutputToProcess(pr, buf, newcount, outError);
1808 if (outcount < newcount) return -1; /* to be sure */
1815 } else if (((unsigned char) *p) == TN_IAC) {
1816 *q++ = (char) TN_IAC;
1823 if (appData.debugMode) {
1824 fprintf(debugFP, ">ICS: ");
1825 show_bytes(debugFP, buf, newcount);
1826 fprintf(debugFP, "\n");
1828 outcount = OutputToProcess(pr, buf, newcount, outError);
1829 if (outcount < newcount) return -1; /* to be sure */
1834 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1836 int outError, outCount;
1837 static int gotEof = 0;
1839 /* Pass data read from player on to ICS */
1842 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1843 if (outCount < count) {
1844 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1846 } else if (count < 0) {
1847 RemoveInputSource(isr);
1848 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1849 } else if (gotEof++ > 0) {
1850 RemoveInputSource(isr);
1851 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1857 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1858 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1859 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1860 SendToICS("date\n");
1861 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1864 /* added routine for printf style output to ics */
1866 ics_printf (char *format, ...)
1868 char buffer[MSG_SIZ];
1871 va_start(args, format);
1872 vsnprintf(buffer, sizeof(buffer), format, args);
1873 buffer[sizeof(buffer)-1] = '\0';
1881 int count, outCount, outError;
1883 if (icsPR == NoProc) return;
1886 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1887 if (outCount < count) {
1888 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1892 /* This is used for sending logon scripts to the ICS. Sending
1893 without a delay causes problems when using timestamp on ICC
1894 (at least on my machine). */
1896 SendToICSDelayed (char *s, long msdelay)
1898 int count, outCount, outError;
1900 if (icsPR == NoProc) return;
1903 if (appData.debugMode) {
1904 fprintf(debugFP, ">ICS: ");
1905 show_bytes(debugFP, s, count);
1906 fprintf(debugFP, "\n");
1908 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1910 if (outCount < count) {
1911 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1916 /* Remove all highlighting escape sequences in s
1917 Also deletes any suffix starting with '('
1920 StripHighlightAndTitle (char *s)
1922 static char retbuf[MSG_SIZ];
1925 while (*s != NULLCHAR) {
1926 while (*s == '\033') {
1927 while (*s != NULLCHAR && !isalpha(*s)) s++;
1928 if (*s != NULLCHAR) s++;
1930 while (*s != NULLCHAR && *s != '\033') {
1931 if (*s == '(' || *s == '[') {
1942 /* Remove all highlighting escape sequences in s */
1944 StripHighlight (char *s)
1946 static char retbuf[MSG_SIZ];
1949 while (*s != NULLCHAR) {
1950 while (*s == '\033') {
1951 while (*s != NULLCHAR && !isalpha(*s)) s++;
1952 if (*s != NULLCHAR) s++;
1954 while (*s != NULLCHAR && *s != '\033') {
1962 char *variantNames[] = VARIANT_NAMES;
1964 VariantName (VariantClass v)
1966 return variantNames[v];
1970 /* Identify a variant from the strings the chess servers use or the
1971 PGN Variant tag names we use. */
1973 StringToVariant (char *e)
1977 VariantClass v = VariantNormal;
1978 int i, found = FALSE;
1984 /* [HGM] skip over optional board-size prefixes */
1985 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1986 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1987 while( *e++ != '_');
1990 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1994 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1995 if (StrCaseStr(e, variantNames[i])) {
1996 v = (VariantClass) i;
2003 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2004 || StrCaseStr(e, "wild/fr")
2005 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2006 v = VariantFischeRandom;
2007 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2008 (i = 1, p = StrCaseStr(e, "w"))) {
2010 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2017 case 0: /* FICS only, actually */
2019 /* Castling legal even if K starts on d-file */
2020 v = VariantWildCastle;
2025 /* Castling illegal even if K & R happen to start in
2026 normal positions. */
2027 v = VariantNoCastle;
2040 /* Castling legal iff K & R start in normal positions */
2046 /* Special wilds for position setup; unclear what to do here */
2047 v = VariantLoadable;
2050 /* Bizarre ICC game */
2051 v = VariantTwoKings;
2054 v = VariantKriegspiel;
2060 v = VariantFischeRandom;
2063 v = VariantCrazyhouse;
2066 v = VariantBughouse;
2072 /* Not quite the same as FICS suicide! */
2073 v = VariantGiveaway;
2079 v = VariantShatranj;
2082 /* Temporary names for future ICC types. The name *will* change in
2083 the next xboard/WinBoard release after ICC defines it. */
2121 v = VariantCapablanca;
2124 v = VariantKnightmate;
2130 v = VariantCylinder;
2136 v = VariantCapaRandom;
2139 v = VariantBerolina;
2151 /* Found "wild" or "w" in the string but no number;
2152 must assume it's normal chess. */
2156 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2157 if( (len >= MSG_SIZ) && appData.debugMode )
2158 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2160 DisplayError(buf, 0);
2166 if (appData.debugMode) {
2167 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2168 e, wnum, VariantName(v));
2173 static int leftover_start = 0, leftover_len = 0;
2174 char star_match[STAR_MATCH_N][MSG_SIZ];
2176 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2177 advance *index beyond it, and set leftover_start to the new value of
2178 *index; else return FALSE. If pattern contains the character '*', it
2179 matches any sequence of characters not containing '\r', '\n', or the
2180 character following the '*' (if any), and the matched sequence(s) are
2181 copied into star_match.
2184 looking_at ( char *buf, int *index, char *pattern)
2186 char *bufp = &buf[*index], *patternp = pattern;
2188 char *matchp = star_match[0];
2191 if (*patternp == NULLCHAR) {
2192 *index = leftover_start = bufp - buf;
2196 if (*bufp == NULLCHAR) return FALSE;
2197 if (*patternp == '*') {
2198 if (*bufp == *(patternp + 1)) {
2200 matchp = star_match[++star_count];
2204 } else if (*bufp == '\n' || *bufp == '\r') {
2206 if (*patternp == NULLCHAR)
2211 *matchp++ = *bufp++;
2215 if (*patternp != *bufp) return FALSE;
2222 SendToPlayer (char *data, int length)
2224 int error, outCount;
2225 outCount = OutputToProcess(NoProc, data, length, &error);
2226 if (outCount < length) {
2227 DisplayFatalError(_("Error writing to display"), error, 1);
2232 PackHolding (char packed[], char *holding)
2242 switch (runlength) {
2253 sprintf(q, "%d", runlength);
2265 /* Telnet protocol requests from the front end */
2267 TelnetRequest (unsigned char ddww, unsigned char option)
2269 unsigned char msg[3];
2270 int outCount, outError;
2272 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2274 if (appData.debugMode) {
2275 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2291 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2300 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2303 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2308 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2310 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2317 if (!appData.icsActive) return;
2318 TelnetRequest(TN_DO, TN_ECHO);
2324 if (!appData.icsActive) return;
2325 TelnetRequest(TN_DONT, TN_ECHO);
2329 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2331 /* put the holdings sent to us by the server on the board holdings area */
2332 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2336 if(gameInfo.holdingsWidth < 2) return;
2337 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2338 return; // prevent overwriting by pre-board holdings
2340 if( (int)lowestPiece >= BlackPawn ) {
2343 holdingsStartRow = BOARD_HEIGHT-1;
2346 holdingsColumn = BOARD_WIDTH-1;
2347 countsColumn = BOARD_WIDTH-2;
2348 holdingsStartRow = 0;
2352 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2353 board[i][holdingsColumn] = EmptySquare;
2354 board[i][countsColumn] = (ChessSquare) 0;
2356 while( (p=*holdings++) != NULLCHAR ) {
2357 piece = CharToPiece( ToUpper(p) );
2358 if(piece == EmptySquare) continue;
2359 /*j = (int) piece - (int) WhitePawn;*/
2360 j = PieceToNumber(piece);
2361 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2362 if(j < 0) continue; /* should not happen */
2363 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2364 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2365 board[holdingsStartRow+j*direction][countsColumn]++;
2371 VariantSwitch (Board board, VariantClass newVariant)
2373 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2374 static Board oldBoard;
2376 startedFromPositionFile = FALSE;
2377 if(gameInfo.variant == newVariant) return;
2379 /* [HGM] This routine is called each time an assignment is made to
2380 * gameInfo.variant during a game, to make sure the board sizes
2381 * are set to match the new variant. If that means adding or deleting
2382 * holdings, we shift the playing board accordingly
2383 * This kludge is needed because in ICS observe mode, we get boards
2384 * of an ongoing game without knowing the variant, and learn about the
2385 * latter only later. This can be because of the move list we requested,
2386 * in which case the game history is refilled from the beginning anyway,
2387 * but also when receiving holdings of a crazyhouse game. In the latter
2388 * case we want to add those holdings to the already received position.
2392 if (appData.debugMode) {
2393 fprintf(debugFP, "Switch board from %s to %s\n",
2394 VariantName(gameInfo.variant), VariantName(newVariant));
2395 setbuf(debugFP, NULL);
2397 shuffleOpenings = 0; /* [HGM] shuffle */
2398 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2402 newWidth = 9; newHeight = 9;
2403 gameInfo.holdingsSize = 7;
2404 case VariantBughouse:
2405 case VariantCrazyhouse:
2406 newHoldingsWidth = 2; break;
2410 newHoldingsWidth = 2;
2411 gameInfo.holdingsSize = 8;
2414 case VariantCapablanca:
2415 case VariantCapaRandom:
2418 newHoldingsWidth = gameInfo.holdingsSize = 0;
2421 if(newWidth != gameInfo.boardWidth ||
2422 newHeight != gameInfo.boardHeight ||
2423 newHoldingsWidth != gameInfo.holdingsWidth ) {
2425 /* shift position to new playing area, if needed */
2426 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2427 for(i=0; i<BOARD_HEIGHT; i++)
2428 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2429 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2431 for(i=0; i<newHeight; i++) {
2432 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2433 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2435 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2436 for(i=0; i<BOARD_HEIGHT; i++)
2437 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2438 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2441 gameInfo.boardWidth = newWidth;
2442 gameInfo.boardHeight = newHeight;
2443 gameInfo.holdingsWidth = newHoldingsWidth;
2444 gameInfo.variant = newVariant;
2445 InitDrawingSizes(-2, 0);
2446 } else gameInfo.variant = newVariant;
2447 CopyBoard(oldBoard, board); // remember correctly formatted board
2448 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2449 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2452 static int loggedOn = FALSE;
2454 /*-- Game start info cache: --*/
2456 char gs_kind[MSG_SIZ];
2457 static char player1Name[128] = "";
2458 static char player2Name[128] = "";
2459 static char cont_seq[] = "\n\\ ";
2460 static int player1Rating = -1;
2461 static int player2Rating = -1;
2462 /*----------------------------*/
2464 ColorClass curColor = ColorNormal;
2465 int suppressKibitz = 0;
2468 Boolean soughtPending = FALSE;
2469 Boolean seekGraphUp;
2470 #define MAX_SEEK_ADS 200
2472 char *seekAdList[MAX_SEEK_ADS];
2473 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2474 float tcList[MAX_SEEK_ADS];
2475 char colorList[MAX_SEEK_ADS];
2476 int nrOfSeekAds = 0;
2477 int minRating = 1010, maxRating = 2800;
2478 int hMargin = 10, vMargin = 20, h, w;
2479 extern int squareSize, lineGap;
2484 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2485 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2486 if(r < minRating+100 && r >=0 ) r = minRating+100;
2487 if(r > maxRating) r = maxRating;
2488 if(tc < 1.) tc = 1.;
2489 if(tc > 95.) tc = 95.;
2490 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2491 y = ((double)r - minRating)/(maxRating - minRating)
2492 * (h-vMargin-squareSize/8-1) + vMargin;
2493 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2494 if(strstr(seekAdList[i], " u ")) color = 1;
2495 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2496 !strstr(seekAdList[i], "bullet") &&
2497 !strstr(seekAdList[i], "blitz") &&
2498 !strstr(seekAdList[i], "standard") ) color = 2;
2499 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2500 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2504 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2506 char buf[MSG_SIZ], *ext = "";
2507 VariantClass v = StringToVariant(type);
2508 if(strstr(type, "wild")) {
2509 ext = type + 4; // append wild number
2510 if(v == VariantFischeRandom) type = "chess960"; else
2511 if(v == VariantLoadable) type = "setup"; else
2512 type = VariantName(v);
2514 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2515 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2516 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2517 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2518 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2519 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2520 seekNrList[nrOfSeekAds] = nr;
2521 zList[nrOfSeekAds] = 0;
2522 seekAdList[nrOfSeekAds++] = StrSave(buf);
2523 if(plot) PlotSeekAd(nrOfSeekAds-1);
2528 EraseSeekDot (int i)
2530 int x = xList[i], y = yList[i], d=squareSize/4, k;
2531 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2532 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2533 // now replot every dot that overlapped
2534 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2535 int xx = xList[k], yy = yList[k];
2536 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2537 DrawSeekDot(xx, yy, colorList[k]);
2542 RemoveSeekAd (int nr)
2545 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2547 if(seekAdList[i]) free(seekAdList[i]);
2548 seekAdList[i] = seekAdList[--nrOfSeekAds];
2549 seekNrList[i] = seekNrList[nrOfSeekAds];
2550 ratingList[i] = ratingList[nrOfSeekAds];
2551 colorList[i] = colorList[nrOfSeekAds];
2552 tcList[i] = tcList[nrOfSeekAds];
2553 xList[i] = xList[nrOfSeekAds];
2554 yList[i] = yList[nrOfSeekAds];
2555 zList[i] = zList[nrOfSeekAds];
2556 seekAdList[nrOfSeekAds] = NULL;
2562 MatchSoughtLine (char *line)
2564 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2565 int nr, base, inc, u=0; char dummy;
2567 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2568 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2570 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2571 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2572 // match: compact and save the line
2573 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2583 if(!seekGraphUp) return FALSE;
2584 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2585 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2587 DrawSeekBackground(0, 0, w, h);
2588 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2589 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2590 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2591 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2593 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2596 snprintf(buf, MSG_SIZ, "%d", i);
2597 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2600 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2601 for(i=1; i<100; i+=(i<10?1:5)) {
2602 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2603 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2604 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2606 snprintf(buf, MSG_SIZ, "%d", i);
2607 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2610 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2615 SeekGraphClick (ClickType click, int x, int y, int moving)
2617 static int lastDown = 0, displayed = 0, lastSecond;
2618 if(y < 0) return FALSE;
2619 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2620 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2621 if(!seekGraphUp) return FALSE;
2622 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2623 DrawPosition(TRUE, NULL);
2626 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2627 if(click == Release || moving) return FALSE;
2629 soughtPending = TRUE;
2630 SendToICS(ics_prefix);
2631 SendToICS("sought\n"); // should this be "sought all"?
2632 } else { // issue challenge based on clicked ad
2633 int dist = 10000; int i, closest = 0, second = 0;
2634 for(i=0; i<nrOfSeekAds; i++) {
2635 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2636 if(d < dist) { dist = d; closest = i; }
2637 second += (d - zList[i] < 120); // count in-range ads
2638 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2642 second = (second > 1);
2643 if(displayed != closest || second != lastSecond) {
2644 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2645 lastSecond = second; displayed = closest;
2647 if(click == Press) {
2648 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2651 } // on press 'hit', only show info
2652 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2653 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2654 SendToICS(ics_prefix);
2656 return TRUE; // let incoming board of started game pop down the graph
2657 } else if(click == Release) { // release 'miss' is ignored
2658 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2659 if(moving == 2) { // right up-click
2660 nrOfSeekAds = 0; // refresh graph
2661 soughtPending = TRUE;
2662 SendToICS(ics_prefix);
2663 SendToICS("sought\n"); // should this be "sought all"?
2666 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2667 // press miss or release hit 'pop down' seek graph
2668 seekGraphUp = FALSE;
2669 DrawPosition(TRUE, NULL);
2675 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2677 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2678 #define STARTED_NONE 0
2679 #define STARTED_MOVES 1
2680 #define STARTED_BOARD 2
2681 #define STARTED_OBSERVE 3
2682 #define STARTED_HOLDINGS 4
2683 #define STARTED_CHATTER 5
2684 #define STARTED_COMMENT 6
2685 #define STARTED_MOVES_NOHIDE 7
2687 static int started = STARTED_NONE;
2688 static char parse[20000];
2689 static int parse_pos = 0;
2690 static char buf[BUF_SIZE + 1];
2691 static int firstTime = TRUE, intfSet = FALSE;
2692 static ColorClass prevColor = ColorNormal;
2693 static int savingComment = FALSE;
2694 static int cmatch = 0; // continuation sequence match
2701 int backup; /* [DM] For zippy color lines */
2703 char talker[MSG_SIZ]; // [HGM] chat
2706 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2708 if (appData.debugMode) {
2710 fprintf(debugFP, "<ICS: ");
2711 show_bytes(debugFP, data, count);
2712 fprintf(debugFP, "\n");
2716 if (appData.debugMode) { int f = forwardMostMove;
2717 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2718 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2719 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2722 /* If last read ended with a partial line that we couldn't parse,
2723 prepend it to the new read and try again. */
2724 if (leftover_len > 0) {
2725 for (i=0; i<leftover_len; i++)
2726 buf[i] = buf[leftover_start + i];
2729 /* copy new characters into the buffer */
2730 bp = buf + leftover_len;
2731 buf_len=leftover_len;
2732 for (i=0; i<count; i++)
2735 if (data[i] == '\r')
2738 // join lines split by ICS?
2739 if (!appData.noJoin)
2742 Joining just consists of finding matches against the
2743 continuation sequence, and discarding that sequence
2744 if found instead of copying it. So, until a match
2745 fails, there's nothing to do since it might be the
2746 complete sequence, and thus, something we don't want
2749 if (data[i] == cont_seq[cmatch])
2752 if (cmatch == strlen(cont_seq))
2754 cmatch = 0; // complete match. just reset the counter
2757 it's possible for the ICS to not include the space
2758 at the end of the last word, making our [correct]
2759 join operation fuse two separate words. the server
2760 does this when the space occurs at the width setting.
2762 if (!buf_len || buf[buf_len-1] != ' ')
2773 match failed, so we have to copy what matched before
2774 falling through and copying this character. In reality,
2775 this will only ever be just the newline character, but
2776 it doesn't hurt to be precise.
2778 strncpy(bp, cont_seq, cmatch);
2790 buf[buf_len] = NULLCHAR;
2791 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2796 while (i < buf_len) {
2797 /* Deal with part of the TELNET option negotiation
2798 protocol. We refuse to do anything beyond the
2799 defaults, except that we allow the WILL ECHO option,
2800 which ICS uses to turn off password echoing when we are
2801 directly connected to it. We reject this option
2802 if localLineEditing mode is on (always on in xboard)
2803 and we are talking to port 23, which might be a real
2804 telnet server that will try to keep WILL ECHO on permanently.
2806 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2807 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2808 unsigned char option;
2810 switch ((unsigned char) buf[++i]) {
2812 if (appData.debugMode)
2813 fprintf(debugFP, "\n<WILL ");
2814 switch (option = (unsigned char) buf[++i]) {
2816 if (appData.debugMode)
2817 fprintf(debugFP, "ECHO ");
2818 /* Reply only if this is a change, according
2819 to the protocol rules. */
2820 if (remoteEchoOption) break;
2821 if (appData.localLineEditing &&
2822 atoi(appData.icsPort) == TN_PORT) {
2823 TelnetRequest(TN_DONT, TN_ECHO);
2826 TelnetRequest(TN_DO, TN_ECHO);
2827 remoteEchoOption = TRUE;
2831 if (appData.debugMode)
2832 fprintf(debugFP, "%d ", option);
2833 /* Whatever this is, we don't want it. */
2834 TelnetRequest(TN_DONT, option);
2839 if (appData.debugMode)
2840 fprintf(debugFP, "\n<WONT ");
2841 switch (option = (unsigned char) buf[++i]) {
2843 if (appData.debugMode)
2844 fprintf(debugFP, "ECHO ");
2845 /* Reply only if this is a change, according
2846 to the protocol rules. */
2847 if (!remoteEchoOption) break;
2849 TelnetRequest(TN_DONT, TN_ECHO);
2850 remoteEchoOption = FALSE;
2853 if (appData.debugMode)
2854 fprintf(debugFP, "%d ", (unsigned char) option);
2855 /* Whatever this is, it must already be turned
2856 off, because we never agree to turn on
2857 anything non-default, so according to the
2858 protocol rules, we don't reply. */
2863 if (appData.debugMode)
2864 fprintf(debugFP, "\n<DO ");
2865 switch (option = (unsigned char) buf[++i]) {
2867 /* Whatever this is, we refuse to do it. */
2868 if (appData.debugMode)
2869 fprintf(debugFP, "%d ", option);
2870 TelnetRequest(TN_WONT, option);
2875 if (appData.debugMode)
2876 fprintf(debugFP, "\n<DONT ");
2877 switch (option = (unsigned char) buf[++i]) {
2879 if (appData.debugMode)
2880 fprintf(debugFP, "%d ", option);
2881 /* Whatever this is, we are already not doing
2882 it, because we never agree to do anything
2883 non-default, so according to the protocol
2884 rules, we don't reply. */
2889 if (appData.debugMode)
2890 fprintf(debugFP, "\n<IAC ");
2891 /* Doubled IAC; pass it through */
2895 if (appData.debugMode)
2896 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2897 /* Drop all other telnet commands on the floor */
2900 if (oldi > next_out)
2901 SendToPlayer(&buf[next_out], oldi - next_out);
2907 /* OK, this at least will *usually* work */
2908 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2912 if (loggedOn && !intfSet) {
2913 if (ics_type == ICS_ICC) {
2914 snprintf(str, MSG_SIZ,
2915 "/set-quietly interface %s\n/set-quietly style 12\n",
2917 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2918 strcat(str, "/set-2 51 1\n/set seek 1\n");
2919 } else if (ics_type == ICS_CHESSNET) {
2920 snprintf(str, MSG_SIZ, "/style 12\n");
2922 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2923 strcat(str, programVersion);
2924 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2925 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2926 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2928 strcat(str, "$iset nohighlight 1\n");
2930 strcat(str, "$iset lock 1\n$style 12\n");
2933 NotifyFrontendLogin();
2937 if (started == STARTED_COMMENT) {
2938 /* Accumulate characters in comment */
2939 parse[parse_pos++] = buf[i];
2940 if (buf[i] == '\n') {
2941 parse[parse_pos] = NULLCHAR;
2942 if(chattingPartner>=0) {
2944 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2945 OutputChatMessage(chattingPartner, mess);
2946 chattingPartner = -1;
2947 next_out = i+1; // [HGM] suppress printing in ICS window
2949 if(!suppressKibitz) // [HGM] kibitz
2950 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2951 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2952 int nrDigit = 0, nrAlph = 0, j;
2953 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2954 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2955 parse[parse_pos] = NULLCHAR;
2956 // try to be smart: if it does not look like search info, it should go to
2957 // ICS interaction window after all, not to engine-output window.
2958 for(j=0; j<parse_pos; j++) { // count letters and digits
2959 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2960 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2961 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2963 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2964 int depth=0; float score;
2965 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2966 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2967 pvInfoList[forwardMostMove-1].depth = depth;
2968 pvInfoList[forwardMostMove-1].score = 100*score;
2970 OutputKibitz(suppressKibitz, parse);
2973 if(gameMode == IcsObserving) // restore original ICS messages
2974 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2976 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2977 SendToPlayer(tmp, strlen(tmp));
2979 next_out = i+1; // [HGM] suppress printing in ICS window
2981 started = STARTED_NONE;
2983 /* Don't match patterns against characters in comment */
2988 if (started == STARTED_CHATTER) {
2989 if (buf[i] != '\n') {
2990 /* Don't match patterns against characters in chatter */
2994 started = STARTED_NONE;
2995 if(suppressKibitz) next_out = i+1;
2998 /* Kludge to deal with rcmd protocol */
2999 if (firstTime && looking_at(buf, &i, "\001*")) {
3000 DisplayFatalError(&buf[1], 0, 1);
3006 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3009 if (appData.debugMode)
3010 fprintf(debugFP, "ics_type %d\n", ics_type);
3013 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3014 ics_type = ICS_FICS;
3016 if (appData.debugMode)
3017 fprintf(debugFP, "ics_type %d\n", ics_type);
3020 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3021 ics_type = ICS_CHESSNET;
3023 if (appData.debugMode)
3024 fprintf(debugFP, "ics_type %d\n", ics_type);
3029 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3030 looking_at(buf, &i, "Logging you in as \"*\"") ||
3031 looking_at(buf, &i, "will be \"*\""))) {
3032 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3036 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3038 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3039 DisplayIcsInteractionTitle(buf);
3040 have_set_title = TRUE;
3043 /* skip finger notes */
3044 if (started == STARTED_NONE &&
3045 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3046 (buf[i] == '1' && buf[i+1] == '0')) &&
3047 buf[i+2] == ':' && buf[i+3] == ' ') {
3048 started = STARTED_CHATTER;
3054 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3055 if(appData.seekGraph) {
3056 if(soughtPending && MatchSoughtLine(buf+i)) {
3057 i = strstr(buf+i, "rated") - buf;
3058 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3059 next_out = leftover_start = i;
3060 started = STARTED_CHATTER;
3061 suppressKibitz = TRUE;
3064 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3065 && looking_at(buf, &i, "* ads displayed")) {
3066 soughtPending = FALSE;
3071 if(appData.autoRefresh) {
3072 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3073 int s = (ics_type == ICS_ICC); // ICC format differs
3075 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3076 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3077 looking_at(buf, &i, "*% "); // eat prompt
3078 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3079 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3080 next_out = i; // suppress
3083 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3084 char *p = star_match[0];
3086 if(seekGraphUp) RemoveSeekAd(atoi(p));
3087 while(*p && *p++ != ' '); // next
3089 looking_at(buf, &i, "*% "); // eat prompt
3090 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3097 /* skip formula vars */
3098 if (started == STARTED_NONE &&
3099 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3100 started = STARTED_CHATTER;
3105 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3106 if (appData.autoKibitz && started == STARTED_NONE &&
3107 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3108 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3109 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3110 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3111 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3112 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3113 suppressKibitz = TRUE;
3114 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3116 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3117 && (gameMode == IcsPlayingWhite)) ||
3118 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3119 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3120 started = STARTED_CHATTER; // own kibitz we simply discard
3122 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3123 parse_pos = 0; parse[0] = NULLCHAR;
3124 savingComment = TRUE;
3125 suppressKibitz = gameMode != IcsObserving ? 2 :
3126 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3130 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3131 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3132 && atoi(star_match[0])) {
3133 // suppress the acknowledgements of our own autoKibitz
3135 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3136 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3137 SendToPlayer(star_match[0], strlen(star_match[0]));
3138 if(looking_at(buf, &i, "*% ")) // eat prompt
3139 suppressKibitz = FALSE;
3143 } // [HGM] kibitz: end of patch
3145 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3147 // [HGM] chat: intercept tells by users for which we have an open chat window
3149 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3150 looking_at(buf, &i, "* whispers:") ||
3151 looking_at(buf, &i, "* kibitzes:") ||
3152 looking_at(buf, &i, "* shouts:") ||
3153 looking_at(buf, &i, "* c-shouts:") ||
3154 looking_at(buf, &i, "--> * ") ||
3155 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3156 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3157 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3158 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3160 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3161 chattingPartner = -1;
3163 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3164 for(p=0; p<MAX_CHAT; p++) {
3165 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3166 talker[0] = '['; strcat(talker, "] ");
3167 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3168 chattingPartner = p; break;
3171 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3172 for(p=0; p<MAX_CHAT; p++) {
3173 if(!strcmp("kibitzes", chatPartner[p])) {
3174 talker[0] = '['; strcat(talker, "] ");
3175 chattingPartner = p; break;
3178 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3179 for(p=0; p<MAX_CHAT; p++) {
3180 if(!strcmp("whispers", chatPartner[p])) {
3181 talker[0] = '['; strcat(talker, "] ");
3182 chattingPartner = p; break;
3185 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3186 if(buf[i-8] == '-' && buf[i-3] == 't')
3187 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3188 if(!strcmp("c-shouts", chatPartner[p])) {
3189 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3190 chattingPartner = p; break;
3193 if(chattingPartner < 0)
3194 for(p=0; p<MAX_CHAT; p++) {
3195 if(!strcmp("shouts", chatPartner[p])) {
3196 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3197 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3198 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3199 chattingPartner = p; break;
3203 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3204 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3205 talker[0] = 0; Colorize(ColorTell, FALSE);
3206 chattingPartner = p; break;
3208 if(chattingPartner<0) i = oldi; else {
3209 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3210 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3211 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3212 started = STARTED_COMMENT;
3213 parse_pos = 0; parse[0] = NULLCHAR;
3214 savingComment = 3 + chattingPartner; // counts as TRUE
3215 suppressKibitz = TRUE;
3218 } // [HGM] chat: end of patch
3221 if (appData.zippyTalk || appData.zippyPlay) {
3222 /* [DM] Backup address for color zippy lines */
3224 if (loggedOn == TRUE)
3225 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3226 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3228 } // [DM] 'else { ' deleted
3230 /* Regular tells and says */
3231 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3232 looking_at(buf, &i, "* (your partner) tells you: ") ||
3233 looking_at(buf, &i, "* says: ") ||
3234 /* Don't color "message" or "messages" output */
3235 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3236 looking_at(buf, &i, "*. * at *:*: ") ||
3237 looking_at(buf, &i, "--* (*:*): ") ||
3238 /* Message notifications (same color as tells) */
3239 looking_at(buf, &i, "* has left a message ") ||
3240 looking_at(buf, &i, "* just sent you a message:\n") ||
3241 /* Whispers and kibitzes */
3242 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3243 looking_at(buf, &i, "* kibitzes: ") ||
3245 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3247 if (tkind == 1 && strchr(star_match[0], ':')) {
3248 /* Avoid "tells you:" spoofs in channels */
3251 if (star_match[0][0] == NULLCHAR ||
3252 strchr(star_match[0], ' ') ||
3253 (tkind == 3 && strchr(star_match[1], ' '))) {
3254 /* Reject bogus matches */
3257 if (appData.colorize) {
3258 if (oldi > next_out) {
3259 SendToPlayer(&buf[next_out], oldi - next_out);
3264 Colorize(ColorTell, FALSE);
3265 curColor = ColorTell;
3268 Colorize(ColorKibitz, FALSE);
3269 curColor = ColorKibitz;
3272 p = strrchr(star_match[1], '(');
3279 Colorize(ColorChannel1, FALSE);
3280 curColor = ColorChannel1;
3282 Colorize(ColorChannel, FALSE);
3283 curColor = ColorChannel;
3287 curColor = ColorNormal;
3291 if (started == STARTED_NONE && appData.autoComment &&
3292 (gameMode == IcsObserving ||
3293 gameMode == IcsPlayingWhite ||
3294 gameMode == IcsPlayingBlack)) {
3295 parse_pos = i - oldi;
3296 memcpy(parse, &buf[oldi], parse_pos);
3297 parse[parse_pos] = NULLCHAR;
3298 started = STARTED_COMMENT;
3299 savingComment = TRUE;
3301 started = STARTED_CHATTER;
3302 savingComment = FALSE;
3309 if (looking_at(buf, &i, "* s-shouts: ") ||
3310 looking_at(buf, &i, "* c-shouts: ")) {
3311 if (appData.colorize) {
3312 if (oldi > next_out) {
3313 SendToPlayer(&buf[next_out], oldi - next_out);
3316 Colorize(ColorSShout, FALSE);
3317 curColor = ColorSShout;
3320 started = STARTED_CHATTER;
3324 if (looking_at(buf, &i, "--->")) {
3329 if (looking_at(buf, &i, "* shouts: ") ||
3330 looking_at(buf, &i, "--> ")) {
3331 if (appData.colorize) {
3332 if (oldi > next_out) {
3333 SendToPlayer(&buf[next_out], oldi - next_out);
3336 Colorize(ColorShout, FALSE);
3337 curColor = ColorShout;
3340 started = STARTED_CHATTER;
3344 if (looking_at( buf, &i, "Challenge:")) {
3345 if (appData.colorize) {
3346 if (oldi > next_out) {
3347 SendToPlayer(&buf[next_out], oldi - next_out);
3350 Colorize(ColorChallenge, FALSE);
3351 curColor = ColorChallenge;
3357 if (looking_at(buf, &i, "* offers you") ||
3358 looking_at(buf, &i, "* offers to be") ||
3359 looking_at(buf, &i, "* would like to") ||
3360 looking_at(buf, &i, "* requests to") ||
3361 looking_at(buf, &i, "Your opponent offers") ||
3362 looking_at(buf, &i, "Your opponent requests")) {
3364 if (appData.colorize) {
3365 if (oldi > next_out) {
3366 SendToPlayer(&buf[next_out], oldi - next_out);
3369 Colorize(ColorRequest, FALSE);
3370 curColor = ColorRequest;
3375 if (looking_at(buf, &i, "* (*) seeking")) {
3376 if (appData.colorize) {
3377 if (oldi > next_out) {
3378 SendToPlayer(&buf[next_out], oldi - next_out);
3381 Colorize(ColorSeek, FALSE);
3382 curColor = ColorSeek;
3387 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3389 if (looking_at(buf, &i, "\\ ")) {
3390 if (prevColor != ColorNormal) {
3391 if (oldi > next_out) {
3392 SendToPlayer(&buf[next_out], oldi - next_out);
3395 Colorize(prevColor, TRUE);
3396 curColor = prevColor;
3398 if (savingComment) {
3399 parse_pos = i - oldi;
3400 memcpy(parse, &buf[oldi], parse_pos);
3401 parse[parse_pos] = NULLCHAR;
3402 started = STARTED_COMMENT;
3403 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3404 chattingPartner = savingComment - 3; // kludge to remember the box
3406 started = STARTED_CHATTER;
3411 if (looking_at(buf, &i, "Black Strength :") ||
3412 looking_at(buf, &i, "<<< style 10 board >>>") ||
3413 looking_at(buf, &i, "<10>") ||
3414 looking_at(buf, &i, "#@#")) {
3415 /* Wrong board style */
3417 SendToICS(ics_prefix);
3418 SendToICS("set style 12\n");
3419 SendToICS(ics_prefix);
3420 SendToICS("refresh\n");
3424 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3426 have_sent_ICS_logon = 1;
3430 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3431 (looking_at(buf, &i, "\n<12> ") ||
3432 looking_at(buf, &i, "<12> "))) {
3434 if (oldi > next_out) {
3435 SendToPlayer(&buf[next_out], oldi - next_out);
3438 started = STARTED_BOARD;
3443 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3444 looking_at(buf, &i, "<b1> ")) {
3445 if (oldi > next_out) {
3446 SendToPlayer(&buf[next_out], oldi - next_out);
3449 started = STARTED_HOLDINGS;
3454 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3456 /* Header for a move list -- first line */
3458 switch (ics_getting_history) {
3462 case BeginningOfGame:
3463 /* User typed "moves" or "oldmoves" while we
3464 were idle. Pretend we asked for these
3465 moves and soak them up so user can step
3466 through them and/or save them.
3469 gameMode = IcsObserving;
3472 ics_getting_history = H_GOT_UNREQ_HEADER;
3474 case EditGame: /*?*/
3475 case EditPosition: /*?*/
3476 /* Should above feature work in these modes too? */
3477 /* For now it doesn't */
3478 ics_getting_history = H_GOT_UNWANTED_HEADER;
3481 ics_getting_history = H_GOT_UNWANTED_HEADER;
3486 /* Is this the right one? */
3487 if (gameInfo.white && gameInfo.black &&
3488 strcmp(gameInfo.white, star_match[0]) == 0 &&
3489 strcmp(gameInfo.black, star_match[2]) == 0) {
3491 ics_getting_history = H_GOT_REQ_HEADER;
3494 case H_GOT_REQ_HEADER:
3495 case H_GOT_UNREQ_HEADER:
3496 case H_GOT_UNWANTED_HEADER:
3497 case H_GETTING_MOVES:
3498 /* Should not happen */
3499 DisplayError(_("Error gathering move list: two headers"), 0);
3500 ics_getting_history = H_FALSE;
3504 /* Save player ratings into gameInfo if needed */
3505 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3506 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3507 (gameInfo.whiteRating == -1 ||
3508 gameInfo.blackRating == -1)) {
3510 gameInfo.whiteRating = string_to_rating(star_match[1]);
3511 gameInfo.blackRating = string_to_rating(star_match[3]);
3512 if (appData.debugMode)
3513 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3514 gameInfo.whiteRating, gameInfo.blackRating);
3519 if (looking_at(buf, &i,
3520 "* * match, initial time: * minute*, increment: * second")) {
3521 /* Header for a move list -- second line */
3522 /* Initial board will follow if this is a wild game */
3523 if (gameInfo.event != NULL) free(gameInfo.event);
3524 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3525 gameInfo.event = StrSave(str);
3526 /* [HGM] we switched variant. Translate boards if needed. */
3527 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3531 if (looking_at(buf, &i, "Move ")) {
3532 /* Beginning of a move list */
3533 switch (ics_getting_history) {
3535 /* Normally should not happen */
3536 /* Maybe user hit reset while we were parsing */
3539 /* Happens if we are ignoring a move list that is not
3540 * the one we just requested. Common if the user
3541 * tries to observe two games without turning off
3544 case H_GETTING_MOVES:
3545 /* Should not happen */
3546 DisplayError(_("Error gathering move list: nested"), 0);
3547 ics_getting_history = H_FALSE;
3549 case H_GOT_REQ_HEADER:
3550 ics_getting_history = H_GETTING_MOVES;
3551 started = STARTED_MOVES;
3553 if (oldi > next_out) {
3554 SendToPlayer(&buf[next_out], oldi - next_out);
3557 case H_GOT_UNREQ_HEADER:
3558 ics_getting_history = H_GETTING_MOVES;
3559 started = STARTED_MOVES_NOHIDE;
3562 case H_GOT_UNWANTED_HEADER:
3563 ics_getting_history = H_FALSE;
3569 if (looking_at(buf, &i, "% ") ||
3570 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3571 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3572 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3573 soughtPending = FALSE;
3577 if(suppressKibitz) next_out = i;
3578 savingComment = FALSE;
3582 case STARTED_MOVES_NOHIDE:
3583 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3584 parse[parse_pos + i - oldi] = NULLCHAR;
3585 ParseGameHistory(parse);
3587 if (appData.zippyPlay && first.initDone) {
3588 FeedMovesToProgram(&first, forwardMostMove);
3589 if (gameMode == IcsPlayingWhite) {
3590 if (WhiteOnMove(forwardMostMove)) {
3591 if (first.sendTime) {
3592 if (first.useColors) {
3593 SendToProgram("black\n", &first);
3595 SendTimeRemaining(&first, TRUE);
3597 if (first.useColors) {
3598 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3600 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3601 first.maybeThinking = TRUE;
3603 if (first.usePlayother) {
3604 if (first.sendTime) {
3605 SendTimeRemaining(&first, TRUE);
3607 SendToProgram("playother\n", &first);
3613 } else if (gameMode == IcsPlayingBlack) {
3614 if (!WhiteOnMove(forwardMostMove)) {
3615 if (first.sendTime) {
3616 if (first.useColors) {
3617 SendToProgram("white\n", &first);
3619 SendTimeRemaining(&first, FALSE);
3621 if (first.useColors) {
3622 SendToProgram("black\n", &first);
3624 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3625 first.maybeThinking = TRUE;
3627 if (first.usePlayother) {
3628 if (first.sendTime) {
3629 SendTimeRemaining(&first, FALSE);
3631 SendToProgram("playother\n", &first);
3640 if (gameMode == IcsObserving && ics_gamenum == -1) {
3641 /* Moves came from oldmoves or moves command
3642 while we weren't doing anything else.
3644 currentMove = forwardMostMove;
3645 ClearHighlights();/*!!could figure this out*/
3646 flipView = appData.flipView;
3647 DrawPosition(TRUE, boards[currentMove]);
3648 DisplayBothClocks();
3649 snprintf(str, MSG_SIZ, "%s %s %s",
3650 gameInfo.white, _("vs."), gameInfo.black);
3654 /* Moves were history of an active game */
3655 if (gameInfo.resultDetails != NULL) {
3656 free(gameInfo.resultDetails);
3657 gameInfo.resultDetails = NULL;
3660 HistorySet(parseList, backwardMostMove,
3661 forwardMostMove, currentMove-1);
3662 DisplayMove(currentMove - 1);
3663 if (started == STARTED_MOVES) next_out = i;
3664 started = STARTED_NONE;
3665 ics_getting_history = H_FALSE;
3668 case STARTED_OBSERVE:
3669 started = STARTED_NONE;
3670 SendToICS(ics_prefix);
3671 SendToICS("refresh\n");
3677 if(bookHit) { // [HGM] book: simulate book reply
3678 static char bookMove[MSG_SIZ]; // a bit generous?
3680 programStats.nodes = programStats.depth = programStats.time =
3681 programStats.score = programStats.got_only_move = 0;
3682 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3684 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3685 strcat(bookMove, bookHit);
3686 HandleMachineMove(bookMove, &first);
3691 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3692 started == STARTED_HOLDINGS ||
3693 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3694 /* Accumulate characters in move list or board */
3695 parse[parse_pos++] = buf[i];
3698 /* Start of game messages. Mostly we detect start of game
3699 when the first board image arrives. On some versions
3700 of the ICS, though, we need to do a "refresh" after starting
3701 to observe in order to get the current board right away. */
3702 if (looking_at(buf, &i, "Adding game * to observation list")) {
3703 started = STARTED_OBSERVE;
3707 /* Handle auto-observe */
3708 if (appData.autoObserve &&
3709 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3710 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3712 /* Choose the player that was highlighted, if any. */
3713 if (star_match[0][0] == '\033' ||
3714 star_match[1][0] != '\033') {
3715 player = star_match[0];
3717 player = star_match[2];
3719 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3720 ics_prefix, StripHighlightAndTitle(player));
3723 /* Save ratings from notify string */
3724 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3725 player1Rating = string_to_rating(star_match[1]);
3726 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3727 player2Rating = string_to_rating(star_match[3]);
3729 if (appData.debugMode)
3731 "Ratings from 'Game notification:' %s %d, %s %d\n",
3732 player1Name, player1Rating,
3733 player2Name, player2Rating);
3738 /* Deal with automatic examine mode after a game,
3739 and with IcsObserving -> IcsExamining transition */
3740 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3741 looking_at(buf, &i, "has made you an examiner of game *")) {
3743 int gamenum = atoi(star_match[0]);
3744 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3745 gamenum == ics_gamenum) {
3746 /* We were already playing or observing this game;
3747 no need to refetch history */
3748 gameMode = IcsExamining;
3750 pauseExamForwardMostMove = forwardMostMove;
3751 } else if (currentMove < forwardMostMove) {
3752 ForwardInner(forwardMostMove);
3755 /* I don't think this case really can happen */
3756 SendToICS(ics_prefix);
3757 SendToICS("refresh\n");
3762 /* Error messages */
3763 // if (ics_user_moved) {
3764 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3765 if (looking_at(buf, &i, "Illegal move") ||
3766 looking_at(buf, &i, "Not a legal move") ||
3767 looking_at(buf, &i, "Your king is in check") ||
3768 looking_at(buf, &i, "It isn't your turn") ||
3769 looking_at(buf, &i, "It is not your move")) {
3771 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3772 currentMove = forwardMostMove-1;
3773 DisplayMove(currentMove - 1); /* before DMError */
3774 DrawPosition(FALSE, boards[currentMove]);
3775 SwitchClocks(forwardMostMove-1); // [HGM] race
3776 DisplayBothClocks();
3778 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3784 if (looking_at(buf, &i, "still have time") ||
3785 looking_at(buf, &i, "not out of time") ||
3786 looking_at(buf, &i, "either player is out of time") ||
3787 looking_at(buf, &i, "has timeseal; checking")) {
3788 /* We must have called his flag a little too soon */
3789 whiteFlag = blackFlag = FALSE;
3793 if (looking_at(buf, &i, "added * seconds to") ||
3794 looking_at(buf, &i, "seconds were added to")) {
3795 /* Update the clocks */
3796 SendToICS(ics_prefix);
3797 SendToICS("refresh\n");
3801 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3802 ics_clock_paused = TRUE;
3807 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3808 ics_clock_paused = FALSE;
3813 /* Grab player ratings from the Creating: message.
3814 Note we have to check for the special case when
3815 the ICS inserts things like [white] or [black]. */
3816 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3817 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3819 0 player 1 name (not necessarily white)
3821 2 empty, white, or black (IGNORED)
3822 3 player 2 name (not necessarily black)
3825 The names/ratings are sorted out when the game
3826 actually starts (below).
3828 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3829 player1Rating = string_to_rating(star_match[1]);
3830 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3831 player2Rating = string_to_rating(star_match[4]);
3833 if (appData.debugMode)
3835 "Ratings from 'Creating:' %s %d, %s %d\n",
3836 player1Name, player1Rating,
3837 player2Name, player2Rating);
3842 /* Improved generic start/end-of-game messages */
3843 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3844 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3845 /* If tkind == 0: */
3846 /* star_match[0] is the game number */
3847 /* [1] is the white player's name */
3848 /* [2] is the black player's name */
3849 /* For end-of-game: */
3850 /* [3] is the reason for the game end */
3851 /* [4] is a PGN end game-token, preceded by " " */
3852 /* For start-of-game: */
3853 /* [3] begins with "Creating" or "Continuing" */
3854 /* [4] is " *" or empty (don't care). */
3855 int gamenum = atoi(star_match[0]);
3856 char *whitename, *blackname, *why, *endtoken;
3857 ChessMove endtype = EndOfFile;
3860 whitename = star_match[1];
3861 blackname = star_match[2];
3862 why = star_match[3];
3863 endtoken = star_match[4];
3865 whitename = star_match[1];
3866 blackname = star_match[3];
3867 why = star_match[5];
3868 endtoken = star_match[6];
3871 /* Game start messages */
3872 if (strncmp(why, "Creating ", 9) == 0 ||
3873 strncmp(why, "Continuing ", 11) == 0) {
3874 gs_gamenum = gamenum;
3875 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3876 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3877 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3879 if (appData.zippyPlay) {
3880 ZippyGameStart(whitename, blackname);
3883 partnerBoardValid = FALSE; // [HGM] bughouse
3887 /* Game end messages */
3888 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3889 ics_gamenum != gamenum) {
3892 while (endtoken[0] == ' ') endtoken++;
3893 switch (endtoken[0]) {
3896 endtype = GameUnfinished;
3899 endtype = BlackWins;
3902 if (endtoken[1] == '/')
3903 endtype = GameIsDrawn;
3905 endtype = WhiteWins;
3908 GameEnds(endtype, why, GE_ICS);
3910 if (appData.zippyPlay && first.initDone) {
3911 ZippyGameEnd(endtype, why);
3912 if (first.pr == NoProc) {
3913 /* Start the next process early so that we'll
3914 be ready for the next challenge */
3915 StartChessProgram(&first);
3917 /* Send "new" early, in case this command takes
3918 a long time to finish, so that we'll be ready
3919 for the next challenge. */
3920 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3924 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3928 if (looking_at(buf, &i, "Removing game * from observation") ||
3929 looking_at(buf, &i, "no longer observing game *") ||
3930 looking_at(buf, &i, "Game * (*) has no examiners")) {
3931 if (gameMode == IcsObserving &&
3932 atoi(star_match[0]) == ics_gamenum)
3934 /* icsEngineAnalyze */
3935 if (appData.icsEngineAnalyze) {
3942 ics_user_moved = FALSE;
3947 if (looking_at(buf, &i, "no longer examining game *")) {
3948 if (gameMode == IcsExamining &&
3949 atoi(star_match[0]) == ics_gamenum)
3953 ics_user_moved = FALSE;
3958 /* Advance leftover_start past any newlines we find,
3959 so only partial lines can get reparsed */
3960 if (looking_at(buf, &i, "\n")) {
3961 prevColor = curColor;
3962 if (curColor != ColorNormal) {
3963 if (oldi > next_out) {
3964 SendToPlayer(&buf[next_out], oldi - next_out);
3967 Colorize(ColorNormal, FALSE);
3968 curColor = ColorNormal;
3970 if (started == STARTED_BOARD) {
3971 started = STARTED_NONE;
3972 parse[parse_pos] = NULLCHAR;
3973 ParseBoard12(parse);
3976 /* Send premove here */
3977 if (appData.premove) {
3979 if (currentMove == 0 &&
3980 gameMode == IcsPlayingWhite &&
3981 appData.premoveWhite) {
3982 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3983 if (appData.debugMode)
3984 fprintf(debugFP, "Sending premove:\n");
3986 } else if (currentMove == 1 &&
3987 gameMode == IcsPlayingBlack &&
3988 appData.premoveBlack) {
3989 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3990 if (appData.debugMode)
3991 fprintf(debugFP, "Sending premove:\n");
3993 } else if (gotPremove) {
3995 ClearPremoveHighlights();
3996 if (appData.debugMode)
3997 fprintf(debugFP, "Sending premove:\n");
3998 UserMoveEvent(premoveFromX, premoveFromY,
3999 premoveToX, premoveToY,
4004 /* Usually suppress following prompt */
4005 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4006 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4007 if (looking_at(buf, &i, "*% ")) {
4008 savingComment = FALSE;
4013 } else if (started == STARTED_HOLDINGS) {
4015 char new_piece[MSG_SIZ];
4016 started = STARTED_NONE;
4017 parse[parse_pos] = NULLCHAR;
4018 if (appData.debugMode)
4019 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4020 parse, currentMove);
4021 if (sscanf(parse, " game %d", &gamenum) == 1) {
4022 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4023 if (gameInfo.variant == VariantNormal) {
4024 /* [HGM] We seem to switch variant during a game!
4025 * Presumably no holdings were displayed, so we have
4026 * to move the position two files to the right to
4027 * create room for them!
4029 VariantClass newVariant;
4030 switch(gameInfo.boardWidth) { // base guess on board width
4031 case 9: newVariant = VariantShogi; break;
4032 case 10: newVariant = VariantGreat; break;
4033 default: newVariant = VariantCrazyhouse; break;
4035 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4036 /* Get a move list just to see the header, which
4037 will tell us whether this is really bug or zh */
4038 if (ics_getting_history == H_FALSE) {
4039 ics_getting_history = H_REQUESTED;
4040 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4044 new_piece[0] = NULLCHAR;
4045 sscanf(parse, "game %d white [%s black [%s <- %s",
4046 &gamenum, white_holding, black_holding,
4048 white_holding[strlen(white_holding)-1] = NULLCHAR;
4049 black_holding[strlen(black_holding)-1] = NULLCHAR;
4050 /* [HGM] copy holdings to board holdings area */
4051 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4052 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4053 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4055 if (appData.zippyPlay && first.initDone) {
4056 ZippyHoldings(white_holding, black_holding,
4060 if (tinyLayout || smallLayout) {
4061 char wh[16], bh[16];
4062 PackHolding(wh, white_holding);
4063 PackHolding(bh, black_holding);
4064 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4065 gameInfo.white, gameInfo.black);
4067 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4068 gameInfo.white, white_holding, _("vs."),
4069 gameInfo.black, black_holding);
4071 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4072 DrawPosition(FALSE, boards[currentMove]);
4074 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4075 sscanf(parse, "game %d white [%s black [%s <- %s",
4076 &gamenum, white_holding, black_holding,
4078 white_holding[strlen(white_holding)-1] = NULLCHAR;
4079 black_holding[strlen(black_holding)-1] = NULLCHAR;
4080 /* [HGM] copy holdings to partner-board holdings area */
4081 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4082 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4083 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4084 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4085 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4088 /* Suppress following prompt */
4089 if (looking_at(buf, &i, "*% ")) {
4090 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4091 savingComment = FALSE;
4099 i++; /* skip unparsed character and loop back */
4102 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4103 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4104 // SendToPlayer(&buf[next_out], i - next_out);
4105 started != STARTED_HOLDINGS && leftover_start > next_out) {
4106 SendToPlayer(&buf[next_out], leftover_start - next_out);
4110 leftover_len = buf_len - leftover_start;
4111 /* if buffer ends with something we couldn't parse,
4112 reparse it after appending the next read */
4114 } else if (count == 0) {
4115 RemoveInputSource(isr);
4116 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4118 DisplayFatalError(_("Error reading from ICS"), error, 1);
4123 /* Board style 12 looks like this:
4125 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4127 * The "<12> " is stripped before it gets to this routine. The two
4128 * trailing 0's (flip state and clock ticking) are later addition, and
4129 * some chess servers may not have them, or may have only the first.
4130 * Additional trailing fields may be added in the future.
4133 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4135 #define RELATION_OBSERVING_PLAYED 0
4136 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4137 #define RELATION_PLAYING_MYMOVE 1
4138 #define RELATION_PLAYING_NOTMYMOVE -1
4139 #define RELATION_EXAMINING 2
4140 #define RELATION_ISOLATED_BOARD -3
4141 #define RELATION_STARTING_POSITION -4 /* FICS only */
4144 ParseBoard12 (char *string)
4146 GameMode newGameMode;
4147 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4148 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4149 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4150 char to_play, board_chars[200];
4151 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4152 char black[32], white[32];
4154 int prevMove = currentMove;
4157 int fromX, fromY, toX, toY;
4159 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4160 char *bookHit = NULL; // [HGM] book
4161 Boolean weird = FALSE, reqFlag = FALSE;
4163 fromX = fromY = toX = toY = -1;
4167 if (appData.debugMode)
4168 fprintf(debugFP, _("Parsing board: %s\n"), string);
4170 move_str[0] = NULLCHAR;
4171 elapsed_time[0] = NULLCHAR;
4172 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4174 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4175 if(string[i] == ' ') { ranks++; files = 0; }
4177 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4180 for(j = 0; j <i; j++) board_chars[j] = string[j];
4181 board_chars[i] = '\0';
4184 n = sscanf(string, PATTERN, &to_play, &double_push,
4185 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4186 &gamenum, white, black, &relation, &basetime, &increment,
4187 &white_stren, &black_stren, &white_time, &black_time,
4188 &moveNum, str, elapsed_time, move_str, &ics_flip,
4192 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4193 DisplayError(str, 0);
4197 /* Convert the move number to internal form */
4198 moveNum = (moveNum - 1) * 2;
4199 if (to_play == 'B') moveNum++;
4200 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4201 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4207 case RELATION_OBSERVING_PLAYED:
4208 case RELATION_OBSERVING_STATIC:
4209 if (gamenum == -1) {
4210 /* Old ICC buglet */
4211 relation = RELATION_OBSERVING_STATIC;
4213 newGameMode = IcsObserving;
4215 case RELATION_PLAYING_MYMOVE:
4216 case RELATION_PLAYING_NOTMYMOVE:
4218 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4219 IcsPlayingWhite : IcsPlayingBlack;
4220 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4222 case RELATION_EXAMINING:
4223 newGameMode = IcsExamining;
4225 case RELATION_ISOLATED_BOARD:
4227 /* Just display this board. If user was doing something else,
4228 we will forget about it until the next board comes. */
4229 newGameMode = IcsIdle;
4231 case RELATION_STARTING_POSITION:
4232 newGameMode = gameMode;
4236 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4237 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4238 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4240 for (k = 0; k < ranks; k++) {
4241 for (j = 0; j < files; j++)
4242 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4243 if(gameInfo.holdingsWidth > 1) {
4244 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4245 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4248 CopyBoard(partnerBoard, board);
4249 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4250 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4251 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4252 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4253 if(toSqr = strchr(str, '-')) {
4254 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4255 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4256 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4257 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4258 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4259 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4260 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4261 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4262 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4263 DisplayMessage(partnerStatus, "");
4264 partnerBoardValid = TRUE;
4268 /* Modify behavior for initial board display on move listing
4271 switch (ics_getting_history) {
4275 case H_GOT_REQ_HEADER:
4276 case H_GOT_UNREQ_HEADER:
4277 /* This is the initial position of the current game */
4278 gamenum = ics_gamenum;
4279 moveNum = 0; /* old ICS bug workaround */
4280 if (to_play == 'B') {
4281 startedFromSetupPosition = TRUE;
4282 blackPlaysFirst = TRUE;
4284 if (forwardMostMove == 0) forwardMostMove = 1;
4285 if (backwardMostMove == 0) backwardMostMove = 1;
4286 if (currentMove == 0) currentMove = 1;
4288 newGameMode = gameMode;
4289 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4291 case H_GOT_UNWANTED_HEADER:
4292 /* This is an initial board that we don't want */
4294 case H_GETTING_MOVES:
4295 /* Should not happen */
4296 DisplayError(_("Error gathering move list: extra board"), 0);
4297 ics_getting_history = H_FALSE;
4301 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4302 weird && (int)gameInfo.variant < (int)VariantShogi) {
4303 /* [HGM] We seem to have switched variant unexpectedly
4304 * Try to guess new variant from board size
4306 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4307 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4308 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4309 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4310 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4311 if(!weird) newVariant = VariantNormal;
4312 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4313 /* Get a move list just to see the header, which
4314 will tell us whether this is really bug or zh */
4315 if (ics_getting_history == H_FALSE) {
4316 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4317 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4322 /* Take action if this is the first board of a new game, or of a
4323 different game than is currently being displayed. */
4324 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4325 relation == RELATION_ISOLATED_BOARD) {
4327 /* Forget the old game and get the history (if any) of the new one */
4328 if (gameMode != BeginningOfGame) {
4332 if (appData.autoRaiseBoard) BoardToTop();
4334 if (gamenum == -1) {
4335 newGameMode = IcsIdle;
4336 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4337 appData.getMoveList && !reqFlag) {
4338 /* Need to get game history */
4339 ics_getting_history = H_REQUESTED;
4340 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4344 /* Initially flip the board to have black on the bottom if playing
4345 black or if the ICS flip flag is set, but let the user change
4346 it with the Flip View button. */
4347 flipView = appData.autoFlipView ?
4348 (newGameMode == IcsPlayingBlack) || ics_flip :
4351 /* Done with values from previous mode; copy in new ones */
4352 gameMode = newGameMode;
4354 ics_gamenum = gamenum;
4355 if (gamenum == gs_gamenum) {
4356 int klen = strlen(gs_kind);
4357 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4358 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4359 gameInfo.event = StrSave(str);
4361 gameInfo.event = StrSave("ICS game");
4363 gameInfo.site = StrSave(appData.icsHost);
4364 gameInfo.date = PGNDate();
4365 gameInfo.round = StrSave("-");
4366 gameInfo.white = StrSave(white);
4367 gameInfo.black = StrSave(black);
4368 timeControl = basetime * 60 * 1000;
4370 timeIncrement = increment * 1000;
4371 movesPerSession = 0;
4372 gameInfo.timeControl = TimeControlTagValue();
4373 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4374 if (appData.debugMode) {
4375 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4376 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4377 setbuf(debugFP, NULL);
4380 gameInfo.outOfBook = NULL;
4382 /* Do we have the ratings? */
4383 if (strcmp(player1Name, white) == 0 &&
4384 strcmp(player2Name, black) == 0) {
4385 if (appData.debugMode)
4386 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4387 player1Rating, player2Rating);
4388 gameInfo.whiteRating = player1Rating;
4389 gameInfo.blackRating = player2Rating;
4390 } else if (strcmp(player2Name, white) == 0 &&
4391 strcmp(player1Name, black) == 0) {
4392 if (appData.debugMode)
4393 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4394 player2Rating, player1Rating);
4395 gameInfo.whiteRating = player2Rating;
4396 gameInfo.blackRating = player1Rating;
4398 player1Name[0] = player2Name[0] = NULLCHAR;
4400 /* Silence shouts if requested */
4401 if (appData.quietPlay &&
4402 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4403 SendToICS(ics_prefix);
4404 SendToICS("set shout 0\n");
4408 /* Deal with midgame name changes */
4410 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4411 if (gameInfo.white) free(gameInfo.white);
4412 gameInfo.white = StrSave(white);
4414 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4415 if (gameInfo.black) free(gameInfo.black);
4416 gameInfo.black = StrSave(black);
4420 /* Throw away game result if anything actually changes in examine mode */
4421 if (gameMode == IcsExamining && !newGame) {
4422 gameInfo.result = GameUnfinished;
4423 if (gameInfo.resultDetails != NULL) {
4424 free(gameInfo.resultDetails);
4425 gameInfo.resultDetails = NULL;
4429 /* In pausing && IcsExamining mode, we ignore boards coming
4430 in if they are in a different variation than we are. */
4431 if (pauseExamInvalid) return;
4432 if (pausing && gameMode == IcsExamining) {
4433 if (moveNum <= pauseExamForwardMostMove) {
4434 pauseExamInvalid = TRUE;
4435 forwardMostMove = pauseExamForwardMostMove;
4440 if (appData.debugMode) {
4441 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4443 /* Parse the board */
4444 for (k = 0; k < ranks; k++) {
4445 for (j = 0; j < files; j++)
4446 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4447 if(gameInfo.holdingsWidth > 1) {
4448 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4449 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4452 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4453 board[5][BOARD_RGHT+1] = WhiteAngel;
4454 board[6][BOARD_RGHT+1] = WhiteMarshall;
4455 board[1][0] = BlackMarshall;
4456 board[2][0] = BlackAngel;
4457 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4459 CopyBoard(boards[moveNum], board);
4460 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4462 startedFromSetupPosition =
4463 !CompareBoards(board, initialPosition);
4464 if(startedFromSetupPosition)
4465 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4468 /* [HGM] Set castling rights. Take the outermost Rooks,
4469 to make it also work for FRC opening positions. Note that board12
4470 is really defective for later FRC positions, as it has no way to
4471 indicate which Rook can castle if they are on the same side of King.
4472 For the initial position we grant rights to the outermost Rooks,
4473 and remember thos rights, and we then copy them on positions
4474 later in an FRC game. This means WB might not recognize castlings with
4475 Rooks that have moved back to their original position as illegal,
4476 but in ICS mode that is not its job anyway.
4478 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4479 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4481 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4482 if(board[0][i] == WhiteRook) j = i;
4483 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4484 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4485 if(board[0][i] == WhiteRook) j = i;
4486 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4487 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4488 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4489 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4490 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4491 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4492 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4494 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4495 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4496 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4497 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4498 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4499 if(board[BOARD_HEIGHT-1][k] == bKing)
4500 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4501 if(gameInfo.variant == VariantTwoKings) {
4502 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4503 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4504 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4507 r = boards[moveNum][CASTLING][0] = initialRights[0];
4508 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4509 r = boards[moveNum][CASTLING][1] = initialRights[1];
4510 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4511 r = boards[moveNum][CASTLING][3] = initialRights[3];
4512 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4513 r = boards[moveNum][CASTLING][4] = initialRights[4];
4514 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4515 /* wildcastle kludge: always assume King has rights */
4516 r = boards[moveNum][CASTLING][2] = initialRights[2];
4517 r = boards[moveNum][CASTLING][5] = initialRights[5];
4519 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4520 boards[moveNum][EP_STATUS] = EP_NONE;
4521 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4522 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4523 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4526 if (ics_getting_history == H_GOT_REQ_HEADER ||
4527 ics_getting_history == H_GOT_UNREQ_HEADER) {
4528 /* This was an initial position from a move list, not
4529 the current position */
4533 /* Update currentMove and known move number limits */
4534 newMove = newGame || moveNum > forwardMostMove;
4537 forwardMostMove = backwardMostMove = currentMove = moveNum;
4538 if (gameMode == IcsExamining && moveNum == 0) {
4539 /* Workaround for ICS limitation: we are not told the wild
4540 type when starting to examine a game. But if we ask for
4541 the move list, the move list header will tell us */
4542 ics_getting_history = H_REQUESTED;
4543 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4546 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4547 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4549 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4550 /* [HGM] applied this also to an engine that is silently watching */
4551 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4552 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4553 gameInfo.variant == currentlyInitializedVariant) {
4554 takeback = forwardMostMove - moveNum;
4555 for (i = 0; i < takeback; i++) {
4556 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4557 SendToProgram("undo\n", &first);
4562 forwardMostMove = moveNum;
4563 if (!pausing || currentMove > forwardMostMove)
4564 currentMove = forwardMostMove;
4566 /* New part of history that is not contiguous with old part */
4567 if (pausing && gameMode == IcsExamining) {
4568 pauseExamInvalid = TRUE;
4569 forwardMostMove = pauseExamForwardMostMove;
4572 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4574 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4575 // [HGM] when we will receive the move list we now request, it will be
4576 // fed to the engine from the first move on. So if the engine is not
4577 // in the initial position now, bring it there.
4578 InitChessProgram(&first, 0);
4581 ics_getting_history = H_REQUESTED;
4582 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4585 forwardMostMove = backwardMostMove = currentMove = moveNum;
4588 /* Update the clocks */
4589 if (strchr(elapsed_time, '.')) {
4591 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4592 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4594 /* Time is in seconds */
4595 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4596 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4601 if (appData.zippyPlay && newGame &&
4602 gameMode != IcsObserving && gameMode != IcsIdle &&
4603 gameMode != IcsExamining)
4604 ZippyFirstBoard(moveNum, basetime, increment);
4607 /* Put the move on the move list, first converting
4608 to canonical algebraic form. */
4610 if (appData.debugMode) {
4611 if (appData.debugMode) { int f = forwardMostMove;
4612 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4613 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4614 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4616 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4617 fprintf(debugFP, "moveNum = %d\n", moveNum);
4618 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4619 setbuf(debugFP, NULL);
4621 if (moveNum <= backwardMostMove) {
4622 /* We don't know what the board looked like before
4624 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4625 strcat(parseList[moveNum - 1], " ");
4626 strcat(parseList[moveNum - 1], elapsed_time);
4627 moveList[moveNum - 1][0] = NULLCHAR;
4628 } else if (strcmp(move_str, "none") == 0) {
4629 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4630 /* Again, we don't know what the board looked like;
4631 this is really the start of the game. */
4632 parseList[moveNum - 1][0] = NULLCHAR;
4633 moveList[moveNum - 1][0] = NULLCHAR;
4634 backwardMostMove = moveNum;
4635 startedFromSetupPosition = TRUE;
4636 fromX = fromY = toX = toY = -1;
4638 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4639 // So we parse the long-algebraic move string in stead of the SAN move
4640 int valid; char buf[MSG_SIZ], *prom;
4642 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4643 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4644 // str looks something like "Q/a1-a2"; kill the slash
4646 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4647 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4648 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4649 strcat(buf, prom); // long move lacks promo specification!
4650 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4651 if(appData.debugMode)
4652 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4653 safeStrCpy(move_str, buf, MSG_SIZ);
4655 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4656 &fromX, &fromY, &toX, &toY, &promoChar)
4657 || ParseOneMove(buf, moveNum - 1, &moveType,
4658 &fromX, &fromY, &toX, &toY, &promoChar);
4659 // end of long SAN patch
4661 (void) CoordsToAlgebraic(boards[moveNum - 1],
4662 PosFlags(moveNum - 1),
4663 fromY, fromX, toY, toX, promoChar,
4664 parseList[moveNum-1]);
4665 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4671 if(gameInfo.variant != VariantShogi)
4672 strcat(parseList[moveNum - 1], "+");
4675 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4676 strcat(parseList[moveNum - 1], "#");
4679 strcat(parseList[moveNum - 1], " ");
4680 strcat(parseList[moveNum - 1], elapsed_time);
4681 /* currentMoveString is set as a side-effect of ParseOneMove */
4682 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4683 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4684 strcat(moveList[moveNum - 1], "\n");
4686 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4687 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4688 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4689 ChessSquare old, new = boards[moveNum][k][j];
4690 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4691 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4692 if(old == new) continue;
4693 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4694 else if(new == WhiteWazir || new == BlackWazir) {
4695 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4696 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4697 else boards[moveNum][k][j] = old; // preserve type of Gold
4698 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4699 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4702 /* Move from ICS was illegal!? Punt. */
4703 if (appData.debugMode) {
4704 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4705 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4707 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4708 strcat(parseList[moveNum - 1], " ");
4709 strcat(parseList[moveNum - 1], elapsed_time);
4710 moveList[moveNum - 1][0] = NULLCHAR;
4711 fromX = fromY = toX = toY = -1;
4714 if (appData.debugMode) {
4715 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4716 setbuf(debugFP, NULL);
4720 /* Send move to chess program (BEFORE animating it). */
4721 if (appData.zippyPlay && !newGame && newMove &&
4722 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4724 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4725 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4726 if (moveList[moveNum - 1][0] == NULLCHAR) {
4727 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4729 DisplayError(str, 0);
4731 if (first.sendTime) {
4732 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4734 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4735 if (firstMove && !bookHit) {
4737 if (first.useColors) {
4738 SendToProgram(gameMode == IcsPlayingWhite ?
4740 "black\ngo\n", &first);
4742 SendToProgram("go\n", &first);
4744 first.maybeThinking = TRUE;
4747 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4748 if (moveList[moveNum - 1][0] == NULLCHAR) {
4749 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4750 DisplayError(str, 0);
4752 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4753 SendMoveToProgram(moveNum - 1, &first);
4760 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4761 /* If move comes from a remote source, animate it. If it
4762 isn't remote, it will have already been animated. */
4763 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4764 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4766 if (!pausing && appData.highlightLastMove) {
4767 SetHighlights(fromX, fromY, toX, toY);
4771 /* Start the clocks */
4772 whiteFlag = blackFlag = FALSE;
4773 appData.clockMode = !(basetime == 0 && increment == 0);
4775 ics_clock_paused = TRUE;
4777 } else if (ticking == 1) {
4778 ics_clock_paused = FALSE;
4780 if (gameMode == IcsIdle ||
4781 relation == RELATION_OBSERVING_STATIC ||
4782 relation == RELATION_EXAMINING ||
4784 DisplayBothClocks();
4788 /* Display opponents and material strengths */
4789 if (gameInfo.variant != VariantBughouse &&
4790 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4791 if (tinyLayout || smallLayout) {
4792 if(gameInfo.variant == VariantNormal)
4793 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4794 gameInfo.white, white_stren, gameInfo.black, black_stren,
4795 basetime, increment);
4797 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4798 gameInfo.white, white_stren, gameInfo.black, black_stren,
4799 basetime, increment, (int) gameInfo.variant);
4801 if(gameInfo.variant == VariantNormal)
4802 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4803 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4804 basetime, increment);
4806 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4807 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4808 basetime, increment, VariantName(gameInfo.variant));
4811 if (appData.debugMode) {
4812 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4817 /* Display the board */
4818 if (!pausing && !appData.noGUI) {
4820 if (appData.premove)
4822 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4823 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4824 ClearPremoveHighlights();
4826 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4827 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4828 DrawPosition(j, boards[currentMove]);
4830 DisplayMove(moveNum - 1);
4831 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4832 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4833 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4834 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4838 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4840 if(bookHit) { // [HGM] book: simulate book reply
4841 static char bookMove[MSG_SIZ]; // a bit generous?
4843 programStats.nodes = programStats.depth = programStats.time =
4844 programStats.score = programStats.got_only_move = 0;
4845 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4847 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4848 strcat(bookMove, bookHit);
4849 HandleMachineMove(bookMove, &first);
4858 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4859 ics_getting_history = H_REQUESTED;
4860 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4866 AnalysisPeriodicEvent (int force)
4868 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4869 && !force) || !appData.periodicUpdates)
4872 /* Send . command to Crafty to collect stats */
4873 SendToProgram(".\n", &first);
4875 /* Don't send another until we get a response (this makes
4876 us stop sending to old Crafty's which don't understand
4877 the "." command (sending illegal cmds resets node count & time,
4878 which looks bad)) */
4879 programStats.ok_to_send = 0;
4883 ics_update_width (int new_width)
4885 ics_printf("set width %d\n", new_width);
4889 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4893 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4894 // null move in variant where engine does not understand it (for analysis purposes)
4895 SendBoard(cps, moveNum + 1); // send position after move in stead.
4898 if (cps->useUsermove) {
4899 SendToProgram("usermove ", cps);
4903 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4904 int len = space - parseList[moveNum];
4905 memcpy(buf, parseList[moveNum], len);
4907 buf[len] = NULLCHAR;
4909 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4911 SendToProgram(buf, cps);
4913 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4914 AlphaRank(moveList[moveNum], 4);
4915 SendToProgram(moveList[moveNum], cps);
4916 AlphaRank(moveList[moveNum], 4); // and back
4918 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4919 * the engine. It would be nice to have a better way to identify castle
4921 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4922 && cps->useOOCastle) {
4923 int fromX = moveList[moveNum][0] - AAA;
4924 int fromY = moveList[moveNum][1] - ONE;
4925 int toX = moveList[moveNum][2] - AAA;
4926 int toY = moveList[moveNum][3] - ONE;
4927 if((boards[moveNum][fromY][fromX] == WhiteKing
4928 && boards[moveNum][toY][toX] == WhiteRook)
4929 || (boards[moveNum][fromY][fromX] == BlackKing
4930 && boards[moveNum][toY][toX] == BlackRook)) {
4931 if(toX > fromX) SendToProgram("O-O\n", cps);
4932 else SendToProgram("O-O-O\n", cps);
4934 else SendToProgram(moveList[moveNum], cps);
4936 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4937 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4938 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4939 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4940 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4942 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4943 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4944 SendToProgram(buf, cps);
4946 else SendToProgram(moveList[moveNum], cps);
4947 /* End of additions by Tord */
4950 /* [HGM] setting up the opening has brought engine in force mode! */
4951 /* Send 'go' if we are in a mode where machine should play. */
4952 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4953 (gameMode == TwoMachinesPlay ||
4955 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4957 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4958 SendToProgram("go\n", cps);
4959 if (appData.debugMode) {
4960 fprintf(debugFP, "(extra)\n");
4963 setboardSpoiledMachineBlack = 0;
4967 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
4969 char user_move[MSG_SIZ];
4972 if(gameInfo.variant == VariantSChess && promoChar) {
4973 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4974 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4975 } else suffix[0] = NULLCHAR;
4979 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4980 (int)moveType, fromX, fromY, toX, toY);
4981 DisplayError(user_move + strlen("say "), 0);
4983 case WhiteKingSideCastle:
4984 case BlackKingSideCastle:
4985 case WhiteQueenSideCastleWild:
4986 case BlackQueenSideCastleWild:
4988 case WhiteHSideCastleFR:
4989 case BlackHSideCastleFR:
4991 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4993 case WhiteQueenSideCastle:
4994 case BlackQueenSideCastle:
4995 case WhiteKingSideCastleWild:
4996 case BlackKingSideCastleWild:
4998 case WhiteASideCastleFR:
4999 case BlackASideCastleFR:
5001 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5003 case WhiteNonPromotion:
5004 case BlackNonPromotion:
5005 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5007 case WhitePromotion:
5008 case BlackPromotion:
5009 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5010 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5011 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5012 PieceToChar(WhiteFerz));
5013 else if(gameInfo.variant == VariantGreat)
5014 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5015 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5016 PieceToChar(WhiteMan));
5018 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5019 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5025 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5026 ToUpper(PieceToChar((ChessSquare) fromX)),
5027 AAA + toX, ONE + toY);
5029 case IllegalMove: /* could be a variant we don't quite understand */
5030 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5032 case WhiteCapturesEnPassant:
5033 case BlackCapturesEnPassant:
5034 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5035 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5038 SendToICS(user_move);
5039 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5040 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5045 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5046 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5047 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5048 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5049 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5052 if(gameMode != IcsExamining) { // is this ever not the case?
5053 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5055 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5056 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5057 } else { // on FICS we must first go to general examine mode
5058 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5060 if(gameInfo.variant != VariantNormal) {
5061 // try figure out wild number, as xboard names are not always valid on ICS
5062 for(i=1; i<=36; i++) {
5063 snprintf(buf, MSG_SIZ, "wild/%d", i);
5064 if(StringToVariant(buf) == gameInfo.variant) break;
5066 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5067 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5068 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5069 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5070 SendToICS(ics_prefix);
5072 if(startedFromSetupPosition || backwardMostMove != 0) {
5073 fen = PositionToFEN(backwardMostMove, NULL);
5074 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5075 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5077 } else { // FICS: everything has to set by separate bsetup commands
5078 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5079 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5081 if(!WhiteOnMove(backwardMostMove)) {
5082 SendToICS("bsetup tomove black\n");
5084 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5085 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5087 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5088 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5090 i = boards[backwardMostMove][EP_STATUS];
5091 if(i >= 0) { // set e.p.
5092 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5098 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5099 SendToICS("bsetup done\n"); // switch to normal examining.
5101 for(i = backwardMostMove; i<last; i++) {
5103 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5106 SendToICS(ics_prefix);
5107 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5111 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5113 if (rf == DROP_RANK) {
5114 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5115 sprintf(move, "%c@%c%c\n",
5116 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5118 if (promoChar == 'x' || promoChar == NULLCHAR) {
5119 sprintf(move, "%c%c%c%c\n",
5120 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5122 sprintf(move, "%c%c%c%c%c\n",
5123 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5129 ProcessICSInitScript (FILE *f)
5133 while (fgets(buf, MSG_SIZ, f)) {
5134 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5141 static int lastX, lastY, selectFlag, dragging;
5146 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5147 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5148 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5149 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5150 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5151 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5154 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5155 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5156 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5157 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5158 if(!step) step = -1;
5159 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5160 appData.testLegality && (promoSweep == king ||
5161 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5162 ChangeDragPiece(promoSweep);
5166 PromoScroll (int x, int y)
5170 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5171 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5172 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5173 if(!step) return FALSE;
5174 lastX = x; lastY = y;
5175 if((promoSweep < BlackPawn) == flipView) step = -step;
5176 if(step > 0) selectFlag = 1;
5177 if(!selectFlag) Sweep(step);
5182 NextPiece (int step)
5184 ChessSquare piece = boards[currentMove][toY][toX];
5187 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5188 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5189 if(!step) step = -1;
5190 } while(PieceToChar(pieceSweep) == '.');
5191 boards[currentMove][toY][toX] = pieceSweep;
5192 DrawPosition(FALSE, boards[currentMove]);
5193 boards[currentMove][toY][toX] = piece;
5195 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5197 AlphaRank (char *move, int n)
5199 // char *p = move, c; int x, y;
5201 if (appData.debugMode) {
5202 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5206 move[2]>='0' && move[2]<='9' &&
5207 move[3]>='a' && move[3]<='x' ) {
5209 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5210 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5212 if(move[0]>='0' && move[0]<='9' &&
5213 move[1]>='a' && move[1]<='x' &&
5214 move[2]>='0' && move[2]<='9' &&
5215 move[3]>='a' && move[3]<='x' ) {
5216 /* input move, Shogi -> normal */
5217 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5218 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5219 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5220 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5223 move[3]>='0' && move[3]<='9' &&
5224 move[2]>='a' && move[2]<='x' ) {
5226 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5227 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5230 move[0]>='a' && move[0]<='x' &&
5231 move[3]>='0' && move[3]<='9' &&
5232 move[2]>='a' && move[2]<='x' ) {
5233 /* output move, normal -> Shogi */
5234 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5235 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5236 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5237 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5238 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5240 if (appData.debugMode) {
5241 fprintf(debugFP, " out = '%s'\n", move);
5245 char yy_textstr[8000];
5247 /* Parser for moves from gnuchess, ICS, or user typein box */
5249 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5251 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5253 switch (*moveType) {
5254 case WhitePromotion:
5255 case BlackPromotion:
5256 case WhiteNonPromotion:
5257 case BlackNonPromotion:
5259 case WhiteCapturesEnPassant:
5260 case BlackCapturesEnPassant:
5261 case WhiteKingSideCastle:
5262 case WhiteQueenSideCastle:
5263 case BlackKingSideCastle:
5264 case BlackQueenSideCastle:
5265 case WhiteKingSideCastleWild:
5266 case WhiteQueenSideCastleWild:
5267 case BlackKingSideCastleWild:
5268 case BlackQueenSideCastleWild:
5269 /* Code added by Tord: */
5270 case WhiteHSideCastleFR:
5271 case WhiteASideCastleFR:
5272 case BlackHSideCastleFR:
5273 case BlackASideCastleFR:
5274 /* End of code added by Tord */
5275 case IllegalMove: /* bug or odd chess variant */
5276 *fromX = currentMoveString[0] - AAA;
5277 *fromY = currentMoveString[1] - ONE;
5278 *toX = currentMoveString[2] - AAA;
5279 *toY = currentMoveString[3] - ONE;
5280 *promoChar = currentMoveString[4];
5281 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5282 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5283 if (appData.debugMode) {
5284 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5286 *fromX = *fromY = *toX = *toY = 0;
5289 if (appData.testLegality) {
5290 return (*moveType != IllegalMove);
5292 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5293 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5298 *fromX = *moveType == WhiteDrop ?
5299 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5300 (int) CharToPiece(ToLower(currentMoveString[0]));
5302 *toX = currentMoveString[2] - AAA;
5303 *toY = currentMoveString[3] - ONE;
5304 *promoChar = NULLCHAR;
5308 case ImpossibleMove:
5318 if (appData.debugMode) {
5319 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5322 *fromX = *fromY = *toX = *toY = 0;
5323 *promoChar = NULLCHAR;
5328 Boolean pushed = FALSE;
5329 char *lastParseAttempt;
5332 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5333 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5334 int fromX, fromY, toX, toY; char promoChar;
5339 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5340 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5343 endPV = forwardMostMove;
5345 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5346 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5347 lastParseAttempt = pv;
5348 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5349 if(!valid && nr == 0 &&
5350 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5351 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5352 // Hande case where played move is different from leading PV move
5353 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5354 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5355 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5356 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5357 endPV += 2; // if position different, keep this
5358 moveList[endPV-1][0] = fromX + AAA;
5359 moveList[endPV-1][1] = fromY + ONE;
5360 moveList[endPV-1][2] = toX + AAA;
5361 moveList[endPV-1][3] = toY + ONE;
5362 parseList[endPV-1][0] = NULLCHAR;
5363 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5366 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5367 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5368 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5369 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5370 valid++; // allow comments in PV
5374 if(endPV+1 > framePtr) break; // no space, truncate
5377 CopyBoard(boards[endPV], boards[endPV-1]);
5378 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5379 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5380 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5381 CoordsToAlgebraic(boards[endPV - 1],
5382 PosFlags(endPV - 1),
5383 fromY, fromX, toY, toX, promoChar,
5384 parseList[endPV - 1]);
5386 if(atEnd == 2) return; // used hidden, for PV conversion
5387 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5388 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5389 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5390 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5391 DrawPosition(TRUE, boards[currentMove]);
5395 MultiPV (ChessProgramState *cps)
5396 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5398 for(i=0; i<cps->nrOptions; i++)
5399 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5405 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5407 int startPV, multi, lineStart, origIndex = index;
5408 char *p, buf2[MSG_SIZ];
5410 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5411 lastX = x; lastY = y;
5412 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5413 lineStart = startPV = index;
5414 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5415 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5417 do{ while(buf[index] && buf[index] != '\n') index++;
5418 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5420 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5421 int n = first.option[multi].value;
5422 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5423 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5424 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5425 first.option[multi].value = n;
5429 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5430 *start = startPV; *end = index-1;
5437 static char buf[10*MSG_SIZ];
5438 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5440 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5441 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5442 for(i = forwardMostMove; i<endPV; i++){
5443 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5444 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5447 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5448 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5454 LoadPV (int x, int y)
5455 { // called on right mouse click to load PV
5456 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5457 lastX = x; lastY = y;
5458 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5465 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5466 if(endPV < 0) return;
5467 if(appData.autoCopyPV) CopyFENToClipboard();
5469 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5470 Boolean saveAnimate = appData.animate;
5472 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5473 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5474 } else storedGames--; // abandon shelved tail of original game
5477 forwardMostMove = currentMove;
5478 currentMove = oldFMM;
5479 appData.animate = FALSE;
5480 ToNrEvent(forwardMostMove);
5481 appData.animate = saveAnimate;
5483 currentMove = forwardMostMove;
5484 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5485 ClearPremoveHighlights();
5486 DrawPosition(TRUE, boards[currentMove]);
5490 MovePV (int x, int y, int h)
5491 { // step through PV based on mouse coordinates (called on mouse move)
5492 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5494 // we must somehow check if right button is still down (might be released off board!)
5495 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5496 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5497 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5499 lastX = x; lastY = y;
5501 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5502 if(endPV < 0) return;
5503 if(y < margin) step = 1; else
5504 if(y > h - margin) step = -1;
5505 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5506 currentMove += step;
5507 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5508 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5509 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5510 DrawPosition(FALSE, boards[currentMove]);
5514 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5515 // All positions will have equal probability, but the current method will not provide a unique
5516 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5522 int piecesLeft[(int)BlackPawn];
5523 int seed, nrOfShuffles;
5526 GetPositionNumber ()
5527 { // sets global variable seed
5530 seed = appData.defaultFrcPosition;
5531 if(seed < 0) { // randomize based on time for negative FRC position numbers
5532 for(i=0; i<50; i++) seed += random();
5533 seed = random() ^ random() >> 8 ^ random() << 8;
5534 if(seed<0) seed = -seed;
5539 put (Board board, int pieceType, int rank, int n, int shade)
5540 // put the piece on the (n-1)-th empty squares of the given shade
5544 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5545 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5546 board[rank][i] = (ChessSquare) pieceType;
5547 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5549 piecesLeft[pieceType]--;
5558 AddOnePiece (Board board, int pieceType, int rank, int shade)
5559 // calculate where the next piece goes, (any empty square), and put it there
5563 i = seed % squaresLeft[shade];
5564 nrOfShuffles *= squaresLeft[shade];
5565 seed /= squaresLeft[shade];
5566 put(board, pieceType, rank, i, shade);
5570 AddTwoPieces (Board board, int pieceType, int rank)
5571 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5573 int i, n=squaresLeft[ANY], j=n-1, k;
5575 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5576 i = seed % k; // pick one
5579 while(i >= j) i -= j--;
5580 j = n - 1 - j; i += j;
5581 put(board, pieceType, rank, j, ANY);
5582 put(board, pieceType, rank, i, ANY);
5586 SetUpShuffle (Board board, int number)
5590 GetPositionNumber(); nrOfShuffles = 1;
5592 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5593 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5594 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5596 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5598 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5599 p = (int) board[0][i];
5600 if(p < (int) BlackPawn) piecesLeft[p] ++;
5601 board[0][i] = EmptySquare;
5604 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5605 // shuffles restricted to allow normal castling put KRR first
5606 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5607 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5608 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5609 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5610 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5611 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5612 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5613 put(board, WhiteRook, 0, 0, ANY);
5614 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5617 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5618 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5619 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5620 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5621 while(piecesLeft[p] >= 2) {
5622 AddOnePiece(board, p, 0, LITE);
5623 AddOnePiece(board, p, 0, DARK);
5625 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5628 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5629 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5630 // but we leave King and Rooks for last, to possibly obey FRC restriction
5631 if(p == (int)WhiteRook) continue;
5632 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5633 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5636 // now everything is placed, except perhaps King (Unicorn) and Rooks
5638 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5639 // Last King gets castling rights
5640 while(piecesLeft[(int)WhiteUnicorn]) {
5641 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5642 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5645 while(piecesLeft[(int)WhiteKing]) {
5646 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5647 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5652 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5653 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5656 // Only Rooks can be left; simply place them all
5657 while(piecesLeft[(int)WhiteRook]) {
5658 i = put(board, WhiteRook, 0, 0, ANY);
5659 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5662 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5664 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5667 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5668 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5671 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5675 SetCharTable (char *table, const char * map)
5676 /* [HGM] moved here from winboard.c because of its general usefulness */
5677 /* Basically a safe strcpy that uses the last character as King */
5679 int result = FALSE; int NrPieces;
5681 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5682 && NrPieces >= 12 && !(NrPieces&1)) {
5683 int i; /* [HGM] Accept even length from 12 to 34 */
5685 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5686 for( i=0; i<NrPieces/2-1; i++ ) {
5688 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5690 table[(int) WhiteKing] = map[NrPieces/2-1];
5691 table[(int) BlackKing] = map[NrPieces-1];
5700 Prelude (Board board)
5701 { // [HGM] superchess: random selection of exo-pieces
5702 int i, j, k; ChessSquare p;
5703 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5705 GetPositionNumber(); // use FRC position number
5707 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5708 SetCharTable(pieceToChar, appData.pieceToCharTable);
5709 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5710 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5713 j = seed%4; seed /= 4;
5714 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5715 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5716 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5717 j = seed%3 + (seed%3 >= j); seed /= 3;
5718 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5719 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5720 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5721 j = seed%3; seed /= 3;
5722 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5723 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5724 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5725 j = seed%2 + (seed%2 >= j); seed /= 2;
5726 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5727 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5728 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5729 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5730 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5731 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5732 put(board, exoPieces[0], 0, 0, ANY);
5733 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5737 InitPosition (int redraw)
5739 ChessSquare (* pieces)[BOARD_FILES];
5740 int i, j, pawnRow, overrule,
5741 oldx = gameInfo.boardWidth,
5742 oldy = gameInfo.boardHeight,
5743 oldh = gameInfo.holdingsWidth;
5746 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5748 /* [AS] Initialize pv info list [HGM] and game status */
5750 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5751 pvInfoList[i].depth = 0;
5752 boards[i][EP_STATUS] = EP_NONE;
5753 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5756 initialRulePlies = 0; /* 50-move counter start */
5758 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5759 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5763 /* [HGM] logic here is completely changed. In stead of full positions */
5764 /* the initialized data only consist of the two backranks. The switch */
5765 /* selects which one we will use, which is than copied to the Board */
5766 /* initialPosition, which for the rest is initialized by Pawns and */
5767 /* empty squares. This initial position is then copied to boards[0], */
5768 /* possibly after shuffling, so that it remains available. */
5770 gameInfo.holdingsWidth = 0; /* default board sizes */
5771 gameInfo.boardWidth = 8;
5772 gameInfo.boardHeight = 8;
5773 gameInfo.holdingsSize = 0;
5774 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5775 for(i=0; i<BOARD_FILES-2; i++)
5776 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5777 initialPosition[EP_STATUS] = EP_NONE;
5778 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5779 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5780 SetCharTable(pieceNickName, appData.pieceNickNames);
5781 else SetCharTable(pieceNickName, "............");
5784 switch (gameInfo.variant) {
5785 case VariantFischeRandom:
5786 shuffleOpenings = TRUE;
5789 case VariantShatranj:
5790 pieces = ShatranjArray;
5791 nrCastlingRights = 0;
5792 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5795 pieces = makrukArray;
5796 nrCastlingRights = 0;
5797 startedFromSetupPosition = TRUE;
5798 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5800 case VariantTwoKings:
5801 pieces = twoKingsArray;
5804 pieces = GrandArray;
5805 nrCastlingRights = 0;
5806 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5807 gameInfo.boardWidth = 10;
5808 gameInfo.boardHeight = 10;
5809 gameInfo.holdingsSize = 7;
5811 case VariantCapaRandom:
5812 shuffleOpenings = TRUE;
5813 case VariantCapablanca:
5814 pieces = CapablancaArray;
5815 gameInfo.boardWidth = 10;
5816 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5819 pieces = GothicArray;
5820 gameInfo.boardWidth = 10;
5821 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5824 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5825 gameInfo.holdingsSize = 7;
5828 pieces = JanusArray;
5829 gameInfo.boardWidth = 10;
5830 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5831 nrCastlingRights = 6;
5832 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5833 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5834 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5835 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5836 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5837 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5840 pieces = FalconArray;
5841 gameInfo.boardWidth = 10;
5842 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5844 case VariantXiangqi:
5845 pieces = XiangqiArray;
5846 gameInfo.boardWidth = 9;
5847 gameInfo.boardHeight = 10;
5848 nrCastlingRights = 0;
5849 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5852 pieces = ShogiArray;
5853 gameInfo.boardWidth = 9;
5854 gameInfo.boardHeight = 9;
5855 gameInfo.holdingsSize = 7;
5856 nrCastlingRights = 0;
5857 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5859 case VariantCourier:
5860 pieces = CourierArray;
5861 gameInfo.boardWidth = 12;
5862 nrCastlingRights = 0;
5863 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5865 case VariantKnightmate:
5866 pieces = KnightmateArray;
5867 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5869 case VariantSpartan:
5870 pieces = SpartanArray;
5871 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5874 pieces = fairyArray;
5875 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5878 pieces = GreatArray;
5879 gameInfo.boardWidth = 10;
5880 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5881 gameInfo.holdingsSize = 8;
5885 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5886 gameInfo.holdingsSize = 8;
5887 startedFromSetupPosition = TRUE;
5889 case VariantCrazyhouse:
5890 case VariantBughouse:
5892 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5893 gameInfo.holdingsSize = 5;
5895 case VariantWildCastle:
5897 /* !!?shuffle with kings guaranteed to be on d or e file */
5898 shuffleOpenings = 1;
5900 case VariantNoCastle:
5902 nrCastlingRights = 0;
5903 /* !!?unconstrained back-rank shuffle */
5904 shuffleOpenings = 1;
5909 if(appData.NrFiles >= 0) {
5910 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5911 gameInfo.boardWidth = appData.NrFiles;
5913 if(appData.NrRanks >= 0) {
5914 gameInfo.boardHeight = appData.NrRanks;
5916 if(appData.holdingsSize >= 0) {
5917 i = appData.holdingsSize;
5918 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5919 gameInfo.holdingsSize = i;
5921 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5922 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5923 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5925 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5926 if(pawnRow < 1) pawnRow = 1;
5927 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5929 /* User pieceToChar list overrules defaults */
5930 if(appData.pieceToCharTable != NULL)
5931 SetCharTable(pieceToChar, appData.pieceToCharTable);
5933 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5935 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5936 s = (ChessSquare) 0; /* account holding counts in guard band */
5937 for( i=0; i<BOARD_HEIGHT; i++ )
5938 initialPosition[i][j] = s;
5940 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5941 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5942 initialPosition[pawnRow][j] = WhitePawn;
5943 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5944 if(gameInfo.variant == VariantXiangqi) {
5946 initialPosition[pawnRow][j] =
5947 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5948 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5949 initialPosition[2][j] = WhiteCannon;
5950 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5954 if(gameInfo.variant == VariantGrand) {
5955 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5956 initialPosition[0][j] = WhiteRook;
5957 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5960 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5962 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5965 initialPosition[1][j] = WhiteBishop;
5966 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5968 initialPosition[1][j] = WhiteRook;
5969 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5972 if( nrCastlingRights == -1) {
5973 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5974 /* This sets default castling rights from none to normal corners */
5975 /* Variants with other castling rights must set them themselves above */
5976 nrCastlingRights = 6;
5978 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5979 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5980 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5981 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5982 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5983 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5986 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5987 if(gameInfo.variant == VariantGreat) { // promotion commoners
5988 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5989 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5990 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5991 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5993 if( gameInfo.variant == VariantSChess ) {
5994 initialPosition[1][0] = BlackMarshall;
5995 initialPosition[2][0] = BlackAngel;
5996 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5997 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5998 initialPosition[1][1] = initialPosition[2][1] =
5999 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6001 if (appData.debugMode) {
6002 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6004 if(shuffleOpenings) {
6005 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6006 startedFromSetupPosition = TRUE;
6008 if(startedFromPositionFile) {
6009 /* [HGM] loadPos: use PositionFile for every new game */
6010 CopyBoard(initialPosition, filePosition);
6011 for(i=0; i<nrCastlingRights; i++)
6012 initialRights[i] = filePosition[CASTLING][i];
6013 startedFromSetupPosition = TRUE;
6016 CopyBoard(boards[0], initialPosition);
6018 if(oldx != gameInfo.boardWidth ||
6019 oldy != gameInfo.boardHeight ||
6020 oldv != gameInfo.variant ||
6021 oldh != gameInfo.holdingsWidth
6023 InitDrawingSizes(-2 ,0);
6025 oldv = gameInfo.variant;
6027 DrawPosition(TRUE, boards[currentMove]);
6031 SendBoard (ChessProgramState *cps, int moveNum)
6033 char message[MSG_SIZ];
6035 if (cps->useSetboard) {
6036 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6037 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6038 SendToProgram(message, cps);
6043 int i, j, left=0, right=BOARD_WIDTH;
6044 /* Kludge to set black to move, avoiding the troublesome and now
6045 * deprecated "black" command.
6047 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6048 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6050 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6052 SendToProgram("edit\n", cps);
6053 SendToProgram("#\n", cps);
6054 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6055 bp = &boards[moveNum][i][left];
6056 for (j = left; j < right; j++, bp++) {
6057 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6058 if ((int) *bp < (int) BlackPawn) {
6059 if(j == BOARD_RGHT+1)
6060 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6061 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6062 if(message[0] == '+' || message[0] == '~') {
6063 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6064 PieceToChar((ChessSquare)(DEMOTED *bp)),
6067 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6068 message[1] = BOARD_RGHT - 1 - j + '1';
6069 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6071 SendToProgram(message, cps);
6076 SendToProgram("c\n", cps);
6077 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6078 bp = &boards[moveNum][i][left];
6079 for (j = left; j < right; j++, bp++) {
6080 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6081 if (((int) *bp != (int) EmptySquare)
6082 && ((int) *bp >= (int) BlackPawn)) {
6083 if(j == BOARD_LEFT-2)
6084 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6085 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6087 if(message[0] == '+' || message[0] == '~') {
6088 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6089 PieceToChar((ChessSquare)(DEMOTED *bp)),
6092 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6093 message[1] = BOARD_RGHT - 1 - j + '1';
6094 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6096 SendToProgram(message, cps);
6101 SendToProgram(".\n", cps);
6103 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6107 DefaultPromoChoice (int white)
6110 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6111 result = WhiteFerz; // no choice
6112 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6113 result= WhiteKing; // in Suicide Q is the last thing we want
6114 else if(gameInfo.variant == VariantSpartan)
6115 result = white ? WhiteQueen : WhiteAngel;
6116 else result = WhiteQueen;
6117 if(!white) result = WHITE_TO_BLACK result;
6121 static int autoQueen; // [HGM] oneclick
6124 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6126 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6127 /* [HGM] add Shogi promotions */
6128 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6133 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6134 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6136 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6137 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6140 piece = boards[currentMove][fromY][fromX];
6141 if(gameInfo.variant == VariantShogi) {
6142 promotionZoneSize = BOARD_HEIGHT/3;
6143 highestPromotingPiece = (int)WhiteFerz;
6144 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6145 promotionZoneSize = 3;
6148 // Treat Lance as Pawn when it is not representing Amazon
6149 if(gameInfo.variant != VariantSuper) {
6150 if(piece == WhiteLance) piece = WhitePawn; else
6151 if(piece == BlackLance) piece = BlackPawn;
6154 // next weed out all moves that do not touch the promotion zone at all
6155 if((int)piece >= BlackPawn) {
6156 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6158 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6160 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6161 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6164 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6166 // weed out mandatory Shogi promotions
6167 if(gameInfo.variant == VariantShogi) {
6168 if(piece >= BlackPawn) {
6169 if(toY == 0 && piece == BlackPawn ||
6170 toY == 0 && piece == BlackQueen ||
6171 toY <= 1 && piece == BlackKnight) {
6176 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6177 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6178 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6185 // weed out obviously illegal Pawn moves
6186 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6187 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6188 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6189 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6190 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6191 // note we are not allowed to test for valid (non-)capture, due to premove
6194 // we either have a choice what to promote to, or (in Shogi) whether to promote
6195 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6196 *promoChoice = PieceToChar(BlackFerz); // no choice
6199 // no sense asking what we must promote to if it is going to explode...
6200 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6201 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6204 // give caller the default choice even if we will not make it
6205 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6206 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6207 if( sweepSelect && gameInfo.variant != VariantGreat
6208 && gameInfo.variant != VariantGrand
6209 && gameInfo.variant != VariantSuper) return FALSE;
6210 if(autoQueen) return FALSE; // predetermined
6212 // suppress promotion popup on illegal moves that are not premoves
6213 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6214 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6215 if(appData.testLegality && !premove) {
6216 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6217 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6218 if(moveType != WhitePromotion && moveType != BlackPromotion)
6226 InPalace (int row, int column)
6227 { /* [HGM] for Xiangqi */
6228 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6229 column < (BOARD_WIDTH + 4)/2 &&
6230 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6235 PieceForSquare (int x, int y)
6237 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6240 return boards[currentMove][y][x];
6244 OKToStartUserMove (int x, int y)
6246 ChessSquare from_piece;
6249 if (matchMode) return FALSE;
6250 if (gameMode == EditPosition) return TRUE;
6252 if (x >= 0 && y >= 0)
6253 from_piece = boards[currentMove][y][x];
6255 from_piece = EmptySquare;
6257 if (from_piece == EmptySquare) return FALSE;
6259 white_piece = (int)from_piece >= (int)WhitePawn &&
6260 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6264 case TwoMachinesPlay:
6272 case MachinePlaysWhite:
6273 case IcsPlayingBlack:
6274 if (appData.zippyPlay) return FALSE;
6276 DisplayMoveError(_("You are playing Black"));
6281 case MachinePlaysBlack:
6282 case IcsPlayingWhite:
6283 if (appData.zippyPlay) return FALSE;
6285 DisplayMoveError(_("You are playing White"));
6290 case PlayFromGameFile:
6291 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6293 if (!white_piece && WhiteOnMove(currentMove)) {
6294 DisplayMoveError(_("It is White's turn"));
6297 if (white_piece && !WhiteOnMove(currentMove)) {
6298 DisplayMoveError(_("It is Black's turn"));
6301 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6302 /* Editing correspondence game history */
6303 /* Could disallow this or prompt for confirmation */
6308 case BeginningOfGame:
6309 if (appData.icsActive) return FALSE;
6310 if (!appData.noChessProgram) {
6312 DisplayMoveError(_("You are playing White"));
6319 if (!white_piece && WhiteOnMove(currentMove)) {
6320 DisplayMoveError(_("It is White's turn"));
6323 if (white_piece && !WhiteOnMove(currentMove)) {
6324 DisplayMoveError(_("It is Black's turn"));
6333 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6334 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6335 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6336 && gameMode != AnalyzeFile && gameMode != Training) {
6337 DisplayMoveError(_("Displayed position is not current"));
6344 OnlyMove (int *x, int *y, Boolean captures)
6346 DisambiguateClosure cl;
6347 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6349 case MachinePlaysBlack:
6350 case IcsPlayingWhite:
6351 case BeginningOfGame:
6352 if(!WhiteOnMove(currentMove)) return FALSE;
6354 case MachinePlaysWhite:
6355 case IcsPlayingBlack:
6356 if(WhiteOnMove(currentMove)) return FALSE;
6363 cl.pieceIn = EmptySquare;
6368 cl.promoCharIn = NULLCHAR;
6369 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6370 if( cl.kind == NormalMove ||
6371 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6372 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6373 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6380 if(cl.kind != ImpossibleMove) return FALSE;
6381 cl.pieceIn = EmptySquare;
6386 cl.promoCharIn = NULLCHAR;
6387 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6388 if( cl.kind == NormalMove ||
6389 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6390 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6391 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6396 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6402 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6403 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6404 int lastLoadGameUseList = FALSE;
6405 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6406 ChessMove lastLoadGameStart = EndOfFile;
6409 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6412 ChessSquare pdown, pup;
6414 /* Check if the user is playing in turn. This is complicated because we
6415 let the user "pick up" a piece before it is his turn. So the piece he
6416 tried to pick up may have been captured by the time he puts it down!
6417 Therefore we use the color the user is supposed to be playing in this
6418 test, not the color of the piece that is currently on the starting
6419 square---except in EditGame mode, where the user is playing both
6420 sides; fortunately there the capture race can't happen. (It can
6421 now happen in IcsExamining mode, but that's just too bad. The user
6422 will get a somewhat confusing message in that case.)
6427 case TwoMachinesPlay:
6431 /* We switched into a game mode where moves are not accepted,
6432 perhaps while the mouse button was down. */
6435 case MachinePlaysWhite:
6436 /* User is moving for Black */
6437 if (WhiteOnMove(currentMove)) {
6438 DisplayMoveError(_("It is White's turn"));
6443 case MachinePlaysBlack:
6444 /* User is moving for White */
6445 if (!WhiteOnMove(currentMove)) {
6446 DisplayMoveError(_("It is Black's turn"));
6451 case PlayFromGameFile:
6452 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6455 case BeginningOfGame:
6458 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6459 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6460 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6461 /* User is moving for Black */
6462 if (WhiteOnMove(currentMove)) {
6463 DisplayMoveError(_("It is White's turn"));
6467 /* User is moving for White */
6468 if (!WhiteOnMove(currentMove)) {
6469 DisplayMoveError(_("It is Black's turn"));
6475 case IcsPlayingBlack:
6476 /* User is moving for Black */
6477 if (WhiteOnMove(currentMove)) {
6478 if (!appData.premove) {
6479 DisplayMoveError(_("It is White's turn"));
6480 } else if (toX >= 0 && toY >= 0) {
6483 premoveFromX = fromX;
6484 premoveFromY = fromY;
6485 premovePromoChar = promoChar;
6487 if (appData.debugMode)
6488 fprintf(debugFP, "Got premove: fromX %d,"
6489 "fromY %d, toX %d, toY %d\n",
6490 fromX, fromY, toX, toY);
6496 case IcsPlayingWhite:
6497 /* User is moving for White */
6498 if (!WhiteOnMove(currentMove)) {
6499 if (!appData.premove) {
6500 DisplayMoveError(_("It is Black's turn"));
6501 } else if (toX >= 0 && toY >= 0) {
6504 premoveFromX = fromX;
6505 premoveFromY = fromY;
6506 premovePromoChar = promoChar;
6508 if (appData.debugMode)
6509 fprintf(debugFP, "Got premove: fromX %d,"
6510 "fromY %d, toX %d, toY %d\n",
6511 fromX, fromY, toX, toY);
6521 /* EditPosition, empty square, or different color piece;
6522 click-click move is possible */
6523 if (toX == -2 || toY == -2) {
6524 boards[0][fromY][fromX] = EmptySquare;
6525 DrawPosition(FALSE, boards[currentMove]);
6527 } else if (toX >= 0 && toY >= 0) {
6528 boards[0][toY][toX] = boards[0][fromY][fromX];
6529 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6530 if(boards[0][fromY][0] != EmptySquare) {
6531 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6532 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6535 if(fromX == BOARD_RGHT+1) {
6536 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6537 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6538 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6541 boards[0][fromY][fromX] = EmptySquare;
6542 DrawPosition(FALSE, boards[currentMove]);
6548 if(toX < 0 || toY < 0) return;
6549 pdown = boards[currentMove][fromY][fromX];
6550 pup = boards[currentMove][toY][toX];
6552 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6553 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6554 if( pup != EmptySquare ) return;
6555 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6556 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6557 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6558 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6559 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6560 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6561 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6565 /* [HGM] always test for legality, to get promotion info */
6566 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6567 fromY, fromX, toY, toX, promoChar);
6569 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6571 /* [HGM] but possibly ignore an IllegalMove result */
6572 if (appData.testLegality) {
6573 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6574 DisplayMoveError(_("Illegal move"));
6579 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6582 /* Common tail of UserMoveEvent and DropMenuEvent */
6584 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6588 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6589 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6590 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6591 if(WhiteOnMove(currentMove)) {
6592 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6594 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6598 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6599 move type in caller when we know the move is a legal promotion */
6600 if(moveType == NormalMove && promoChar)
6601 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6603 /* [HGM] <popupFix> The following if has been moved here from
6604 UserMoveEvent(). Because it seemed to belong here (why not allow
6605 piece drops in training games?), and because it can only be
6606 performed after it is known to what we promote. */
6607 if (gameMode == Training) {
6608 /* compare the move played on the board to the next move in the
6609 * game. If they match, display the move and the opponent's response.
6610 * If they don't match, display an error message.
6614 CopyBoard(testBoard, boards[currentMove]);
6615 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6617 if (CompareBoards(testBoard, boards[currentMove+1])) {
6618 ForwardInner(currentMove+1);
6620 /* Autoplay the opponent's response.
6621 * if appData.animate was TRUE when Training mode was entered,
6622 * the response will be animated.
6624 saveAnimate = appData.animate;
6625 appData.animate = animateTraining;
6626 ForwardInner(currentMove+1);
6627 appData.animate = saveAnimate;
6629 /* check for the end of the game */
6630 if (currentMove >= forwardMostMove) {
6631 gameMode = PlayFromGameFile;
6633 SetTrainingModeOff();
6634 DisplayInformation(_("End of game"));
6637 DisplayError(_("Incorrect move"), 0);
6642 /* Ok, now we know that the move is good, so we can kill
6643 the previous line in Analysis Mode */
6644 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6645 && currentMove < forwardMostMove) {
6646 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6647 else forwardMostMove = currentMove;
6650 /* If we need the chess program but it's dead, restart it */
6651 ResurrectChessProgram();
6653 /* A user move restarts a paused game*/
6657 thinkOutput[0] = NULLCHAR;
6659 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6661 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6662 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6666 if (gameMode == BeginningOfGame) {
6667 if (appData.noChessProgram) {
6668 gameMode = EditGame;
6672 gameMode = MachinePlaysBlack;
6675 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6677 if (first.sendName) {
6678 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6679 SendToProgram(buf, &first);
6686 /* Relay move to ICS or chess engine */
6687 if (appData.icsActive) {
6688 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6689 gameMode == IcsExamining) {
6690 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6691 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6693 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6695 // also send plain move, in case ICS does not understand atomic claims
6696 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6700 if (first.sendTime && (gameMode == BeginningOfGame ||
6701 gameMode == MachinePlaysWhite ||
6702 gameMode == MachinePlaysBlack)) {
6703 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6705 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6706 // [HGM] book: if program might be playing, let it use book
6707 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6708 first.maybeThinking = TRUE;
6709 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6710 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6711 SendBoard(&first, currentMove+1);
6712 } else SendMoveToProgram(forwardMostMove-1, &first);
6713 if (currentMove == cmailOldMove + 1) {
6714 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6718 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6722 if(appData.testLegality)
6723 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6729 if (WhiteOnMove(currentMove)) {
6730 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6732 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6736 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6741 case MachinePlaysBlack:
6742 case MachinePlaysWhite:
6743 /* disable certain menu options while machine is thinking */
6744 SetMachineThinkingEnables();
6751 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6752 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6754 if(bookHit) { // [HGM] book: simulate book reply
6755 static char bookMove[MSG_SIZ]; // a bit generous?
6757 programStats.nodes = programStats.depth = programStats.time =
6758 programStats.score = programStats.got_only_move = 0;
6759 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6761 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6762 strcat(bookMove, bookHit);
6763 HandleMachineMove(bookMove, &first);
6769 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6771 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6772 Markers *m = (Markers *) closure;
6773 if(rf == fromY && ff == fromX)
6774 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6775 || kind == WhiteCapturesEnPassant
6776 || kind == BlackCapturesEnPassant);
6777 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6781 MarkTargetSquares (int clear)
6784 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6785 !appData.testLegality || gameMode == EditPosition) return;
6787 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6790 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6791 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6792 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6794 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6797 DrawPosition(TRUE, NULL);
6801 Explode (Board board, int fromX, int fromY, int toX, int toY)
6803 if(gameInfo.variant == VariantAtomic &&
6804 (board[toY][toX] != EmptySquare || // capture?
6805 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6806 board[fromY][fromX] == BlackPawn )
6808 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6814 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6817 CanPromote (ChessSquare piece, int y)
6819 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6820 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6821 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6822 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6823 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6824 gameInfo.variant == VariantMakruk) return FALSE;
6825 return (piece == BlackPawn && y == 1 ||
6826 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6827 piece == BlackLance && y == 1 ||
6828 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6832 LeftClick (ClickType clickType, int xPix, int yPix)
6835 Boolean saveAnimate;
6836 static int second = 0, promotionChoice = 0, clearFlag = 0;
6837 char promoChoice = NULLCHAR;
6840 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
6842 if (clickType == Press) ErrorPopDown();
6844 x = EventToSquare(xPix, BOARD_WIDTH);
6845 y = EventToSquare(yPix, BOARD_HEIGHT);
6846 if (!flipView && y >= 0) {
6847 y = BOARD_HEIGHT - 1 - y;
6849 if (flipView && x >= 0) {
6850 x = BOARD_WIDTH - 1 - x;
6853 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6854 defaultPromoChoice = promoSweep;
6855 promoSweep = EmptySquare; // terminate sweep
6856 promoDefaultAltered = TRUE;
6857 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6860 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6861 if(clickType == Release) return; // ignore upclick of click-click destination
6862 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6863 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6864 if(gameInfo.holdingsWidth &&
6865 (WhiteOnMove(currentMove)
6866 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6867 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6868 // click in right holdings, for determining promotion piece
6869 ChessSquare p = boards[currentMove][y][x];
6870 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6871 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6872 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6873 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6878 DrawPosition(FALSE, boards[currentMove]);
6882 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6883 if(clickType == Press
6884 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6885 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6886 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6889 if(gotPremove && clickType == Press) { // user starts something after premove has been entered: abort premove as side effect
6891 ClearPremoveHighlights();
6894 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6895 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6897 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6898 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6899 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6900 defaultPromoChoice = DefaultPromoChoice(side);
6903 autoQueen = appData.alwaysPromoteToQueen;
6907 gatingPiece = EmptySquare;
6908 if (clickType != Press) {
6909 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6910 DragPieceEnd(xPix, yPix); dragging = 0;
6911 DrawPosition(FALSE, NULL);
6915 fromX = x; fromY = y; toX = toY = -1;
6916 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6917 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6918 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6920 if (OKToStartUserMove(fromX, fromY)) {
6922 MarkTargetSquares(0);
6923 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6924 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6925 promoSweep = defaultPromoChoice;
6926 selectFlag = 0; lastX = xPix; lastY = yPix;
6927 Sweep(0); // Pawn that is going to promote: preview promotion piece
6928 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6930 if (appData.highlightDragging) {
6931 SetHighlights(fromX, fromY, -1, -1);
6933 } else fromX = fromY = -1;
6939 if (clickType == Press && gameMode != EditPosition) {
6944 // ignore off-board to clicks
6945 if(y < 0 || x < 0) return;
6947 /* Check if clicking again on the same color piece */
6948 fromP = boards[currentMove][fromY][fromX];
6949 toP = boards[currentMove][y][x];
6950 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6951 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6952 WhitePawn <= toP && toP <= WhiteKing &&
6953 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6954 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6955 (BlackPawn <= fromP && fromP <= BlackKing &&
6956 BlackPawn <= toP && toP <= BlackKing &&
6957 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6958 !(fromP == BlackKing && toP == BlackRook && frc))) {
6959 /* Clicked again on same color piece -- changed his mind */
6960 second = (x == fromX && y == fromY);
6961 promoDefaultAltered = FALSE;
6962 MarkTargetSquares(1);
6963 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6964 if (appData.highlightDragging) {
6965 SetHighlights(x, y, -1, -1);
6969 if (OKToStartUserMove(x, y)) {
6970 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6971 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6972 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6973 gatingPiece = boards[currentMove][fromY][fromX];
6974 else gatingPiece = EmptySquare;
6976 fromY = y; dragging = 1;
6977 MarkTargetSquares(0);
6978 DragPieceBegin(xPix, yPix, FALSE);
6979 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6980 promoSweep = defaultPromoChoice;
6981 selectFlag = 0; lastX = xPix; lastY = yPix;
6982 Sweep(0); // Pawn that is going to promote: preview promotion piece
6986 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6989 // ignore clicks on holdings
6990 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6993 if (clickType == Release && x == fromX && y == fromY) {
6994 DragPieceEnd(xPix, yPix); dragging = 0;
6996 // a deferred attempt to click-click move an empty square on top of a piece
6997 boards[currentMove][y][x] = EmptySquare;
6999 DrawPosition(FALSE, boards[currentMove]);
7000 fromX = fromY = -1; clearFlag = 0;
7003 if (appData.animateDragging) {
7004 /* Undo animation damage if any */
7005 DrawPosition(FALSE, NULL);
7008 /* Second up/down in same square; just abort move */
7011 gatingPiece = EmptySquare;
7014 ClearPremoveHighlights();
7016 /* First upclick in same square; start click-click mode */
7017 SetHighlights(x, y, -1, -1);
7024 /* we now have a different from- and (possibly off-board) to-square */
7025 /* Completed move */
7028 saveAnimate = appData.animate;
7029 MarkTargetSquares(1);
7030 if (clickType == Press) {
7031 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7032 // must be Edit Position mode with empty-square selected
7033 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7034 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7037 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7038 ChessSquare piece = boards[currentMove][fromY][fromX];
7039 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7040 promoSweep = defaultPromoChoice;
7041 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7042 selectFlag = 0; lastX = xPix; lastY = yPix;
7043 Sweep(0); // Pawn that is going to promote: preview promotion piece
7044 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7045 DrawPosition(FALSE, boards[currentMove]);
7048 /* Finish clickclick move */
7049 if (appData.animate || appData.highlightLastMove) {
7050 SetHighlights(fromX, fromY, toX, toY);
7055 /* Finish drag move */
7056 if (appData.highlightLastMove) {
7057 SetHighlights(fromX, fromY, toX, toY);
7061 DragPieceEnd(xPix, yPix); dragging = 0;
7062 /* Don't animate move and drag both */
7063 appData.animate = FALSE;
7066 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7067 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7068 ChessSquare piece = boards[currentMove][fromY][fromX];
7069 if(gameMode == EditPosition && piece != EmptySquare &&
7070 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7073 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7074 n = PieceToNumber(piece - (int)BlackPawn);
7075 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7076 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7077 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7079 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7080 n = PieceToNumber(piece);
7081 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7082 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7083 boards[currentMove][n][BOARD_WIDTH-2]++;
7085 boards[currentMove][fromY][fromX] = EmptySquare;
7089 DrawPosition(TRUE, boards[currentMove]);
7093 // off-board moves should not be highlighted
7094 if(x < 0 || y < 0) ClearHighlights();
7096 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7098 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7099 SetHighlights(fromX, fromY, toX, toY);
7100 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7101 // [HGM] super: promotion to captured piece selected from holdings
7102 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7103 promotionChoice = TRUE;
7104 // kludge follows to temporarily execute move on display, without promoting yet
7105 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7106 boards[currentMove][toY][toX] = p;
7107 DrawPosition(FALSE, boards[currentMove]);
7108 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7109 boards[currentMove][toY][toX] = q;
7110 DisplayMessage("Click in holdings to choose piece", "");
7115 int oldMove = currentMove;
7116 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7117 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7118 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7119 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7120 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7121 DrawPosition(TRUE, boards[currentMove]);
7124 appData.animate = saveAnimate;
7125 if (appData.animate || appData.animateDragging) {
7126 /* Undo animation damage if needed */
7127 DrawPosition(FALSE, NULL);
7132 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7133 { // front-end-free part taken out of PieceMenuPopup
7134 int whichMenu; int xSqr, ySqr;
7136 if(seekGraphUp) { // [HGM] seekgraph
7137 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7138 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7142 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7143 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7144 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7145 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7146 if(action == Press) {
7147 originalFlip = flipView;
7148 flipView = !flipView; // temporarily flip board to see game from partners perspective
7149 DrawPosition(TRUE, partnerBoard);
7150 DisplayMessage(partnerStatus, "");
7152 } else if(action == Release) {
7153 flipView = originalFlip;
7154 DrawPosition(TRUE, boards[currentMove]);
7160 xSqr = EventToSquare(x, BOARD_WIDTH);
7161 ySqr = EventToSquare(y, BOARD_HEIGHT);
7162 if (action == Release) {
7163 if(pieceSweep != EmptySquare) {
7164 EditPositionMenuEvent(pieceSweep, toX, toY);
7165 pieceSweep = EmptySquare;
7166 } else UnLoadPV(); // [HGM] pv
7168 if (action != Press) return -2; // return code to be ignored
7171 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7173 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7174 if (xSqr < 0 || ySqr < 0) return -1;
7175 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7176 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7177 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7178 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7182 if(!appData.icsEngineAnalyze) return -1;
7183 case IcsPlayingWhite:
7184 case IcsPlayingBlack:
7185 if(!appData.zippyPlay) goto noZip;
7188 case MachinePlaysWhite:
7189 case MachinePlaysBlack:
7190 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7191 if (!appData.dropMenu) {
7193 return 2; // flag front-end to grab mouse events
7195 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7196 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7199 if (xSqr < 0 || ySqr < 0) return -1;
7200 if (!appData.dropMenu || appData.testLegality &&
7201 gameInfo.variant != VariantBughouse &&
7202 gameInfo.variant != VariantCrazyhouse) return -1;
7203 whichMenu = 1; // drop menu
7209 if (((*fromX = xSqr) < 0) ||
7210 ((*fromY = ySqr) < 0)) {
7211 *fromX = *fromY = -1;
7215 *fromX = BOARD_WIDTH - 1 - *fromX;
7217 *fromY = BOARD_HEIGHT - 1 - *fromY;
7223 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7225 // char * hint = lastHint;
7226 FrontEndProgramStats stats;
7228 stats.which = cps == &first ? 0 : 1;
7229 stats.depth = cpstats->depth;
7230 stats.nodes = cpstats->nodes;
7231 stats.score = cpstats->score;
7232 stats.time = cpstats->time;
7233 stats.pv = cpstats->movelist;
7234 stats.hint = lastHint;
7235 stats.an_move_index = 0;
7236 stats.an_move_count = 0;
7238 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7239 stats.hint = cpstats->move_name;
7240 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7241 stats.an_move_count = cpstats->nr_moves;
7244 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
7246 SetProgramStats( &stats );
7250 ClearEngineOutputPane (int which)
7252 static FrontEndProgramStats dummyStats;
7253 dummyStats.which = which;
7254 dummyStats.pv = "#";
7255 SetProgramStats( &dummyStats );
7258 #define MAXPLAYERS 500
7261 TourneyStandings (int display)
7263 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7264 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7265 char result, *p, *names[MAXPLAYERS];
7267 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7268 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7269 names[0] = p = strdup(appData.participants);
7270 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7272 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7274 while(result = appData.results[nr]) {
7275 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7276 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7277 wScore = bScore = 0;
7279 case '+': wScore = 2; break;
7280 case '-': bScore = 2; break;
7281 case '=': wScore = bScore = 1; break;
7283 case '*': return strdup("busy"); // tourney not finished
7291 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7292 for(w=0; w<nPlayers; w++) {
7294 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7295 ranking[w] = b; points[w] = bScore; score[b] = -2;
7297 p = malloc(nPlayers*34+1);
7298 for(w=0; w<nPlayers && w<display; w++)
7299 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7305 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7306 { // count all piece types
7308 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7309 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7310 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7313 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7314 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7315 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7316 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7317 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7318 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7323 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7325 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7326 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7328 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7329 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7330 if(myPawns == 2 && nMine == 3) // KPP
7331 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7332 if(myPawns == 1 && nMine == 2) // KP
7333 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7334 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7335 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7336 if(myPawns) return FALSE;
7337 if(pCnt[WhiteRook+side])
7338 return pCnt[BlackRook-side] ||
7339 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7340 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7341 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7342 if(pCnt[WhiteCannon+side]) {
7343 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7344 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7346 if(pCnt[WhiteKnight+side])
7347 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7352 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7354 VariantClass v = gameInfo.variant;
7356 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7357 if(v == VariantShatranj) return TRUE; // always winnable through baring
7358 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7359 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7361 if(v == VariantXiangqi) {
7362 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7364 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7365 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7366 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7367 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7368 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7369 if(stale) // we have at least one last-rank P plus perhaps C
7370 return majors // KPKX
7371 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7373 return pCnt[WhiteFerz+side] // KCAK
7374 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7375 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7376 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7378 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7379 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7381 if(nMine == 1) return FALSE; // bare King
7382 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
7383 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7384 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7385 // by now we have King + 1 piece (or multiple Bishops on the same color)
7386 if(pCnt[WhiteKnight+side])
7387 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7388 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7389 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7391 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7392 if(pCnt[WhiteAlfil+side])
7393 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7394 if(pCnt[WhiteWazir+side])
7395 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7402 CompareWithRights (Board b1, Board b2)
7405 if(!CompareBoards(b1, b2)) return FALSE;
7406 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7407 /* compare castling rights */
7408 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7409 rights++; /* King lost rights, while rook still had them */
7410 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7411 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7412 rights++; /* but at least one rook lost them */
7414 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7416 if( b1[CASTLING][5] != NoRights ) {
7417 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7424 Adjudicate (ChessProgramState *cps)
7425 { // [HGM] some adjudications useful with buggy engines
7426 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7427 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7428 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7429 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7430 int k, count = 0; static int bare = 1;
7431 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7432 Boolean canAdjudicate = !appData.icsActive;
7434 // most tests only when we understand the game, i.e. legality-checking on
7435 if( appData.testLegality )
7436 { /* [HGM] Some more adjudications for obstinate engines */
7437 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7438 static int moveCount = 6;
7440 char *reason = NULL;
7442 /* Count what is on board. */
7443 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7445 /* Some material-based adjudications that have to be made before stalemate test */
7446 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7447 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7448 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7449 if(canAdjudicate && appData.checkMates) {
7451 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7452 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7453 "Xboard adjudication: King destroyed", GE_XBOARD );
7458 /* Bare King in Shatranj (loses) or Losers (wins) */
7459 if( nrW == 1 || nrB == 1) {
7460 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7461 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7462 if(canAdjudicate && appData.checkMates) {
7464 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7465 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7466 "Xboard adjudication: Bare king", GE_XBOARD );
7470 if( gameInfo.variant == VariantShatranj && --bare < 0)
7472 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7473 if(canAdjudicate && appData.checkMates) {
7474 /* but only adjudicate if adjudication enabled */
7476 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7477 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7478 "Xboard adjudication: Bare king", GE_XBOARD );
7485 // don't wait for engine to announce game end if we can judge ourselves
7486 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7488 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7489 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7490 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7491 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7494 reason = "Xboard adjudication: 3rd check";
7495 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7505 reason = "Xboard adjudication: Stalemate";
7506 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7507 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7508 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7509 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7510 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7511 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7512 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7513 EP_CHECKMATE : EP_WINS);
7514 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7515 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7519 reason = "Xboard adjudication: Checkmate";
7520 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7524 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7526 result = GameIsDrawn; break;
7528 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7530 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7534 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7536 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7537 GameEnds( result, reason, GE_XBOARD );
7541 /* Next absolutely insufficient mating material. */
7542 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7543 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7544 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7546 /* always flag draws, for judging claims */
7547 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7549 if(canAdjudicate && appData.materialDraws) {
7550 /* but only adjudicate them if adjudication enabled */
7551 if(engineOpponent) {
7552 SendToProgram("force\n", engineOpponent); // suppress reply
7553 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7555 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7560 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7561 if(gameInfo.variant == VariantXiangqi ?
7562 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7564 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7565 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7566 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7567 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7569 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7570 { /* if the first 3 moves do not show a tactical win, declare draw */
7571 if(engineOpponent) {
7572 SendToProgram("force\n", engineOpponent); // suppress reply
7573 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7575 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7578 } else moveCount = 6;
7581 // Repetition draws and 50-move rule can be applied independently of legality testing
7583 /* Check for rep-draws */
7585 for(k = forwardMostMove-2;
7586 k>=backwardMostMove && k>=forwardMostMove-100 &&
7587 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7588 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7591 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7592 /* compare castling rights */
7593 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7594 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7595 rights++; /* King lost rights, while rook still had them */
7596 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7597 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7598 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7599 rights++; /* but at least one rook lost them */
7601 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7602 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7604 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7605 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7606 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7609 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7610 && appData.drawRepeats > 1) {
7611 /* adjudicate after user-specified nr of repeats */
7612 int result = GameIsDrawn;
7613 char *details = "XBoard adjudication: repetition draw";
7614 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7615 // [HGM] xiangqi: check for forbidden perpetuals
7616 int m, ourPerpetual = 1, hisPerpetual = 1;
7617 for(m=forwardMostMove; m>k; m-=2) {
7618 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7619 ourPerpetual = 0; // the current mover did not always check
7620 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7621 hisPerpetual = 0; // the opponent did not always check
7623 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7624 ourPerpetual, hisPerpetual);
7625 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7626 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7627 details = "Xboard adjudication: perpetual checking";
7629 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7630 break; // (or we would have caught him before). Abort repetition-checking loop.
7632 // Now check for perpetual chases
7633 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7634 hisPerpetual = PerpetualChase(k, forwardMostMove);
7635 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7636 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7637 static char resdet[MSG_SIZ];
7638 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7640 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7642 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7643 break; // Abort repetition-checking loop.
7645 // if neither of us is checking or chasing all the time, or both are, it is draw
7647 if(engineOpponent) {
7648 SendToProgram("force\n", engineOpponent); // suppress reply
7649 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7651 GameEnds( result, details, GE_XBOARD );
7654 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7655 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7659 /* Now we test for 50-move draws. Determine ply count */
7660 count = forwardMostMove;
7661 /* look for last irreversble move */
7662 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7664 /* if we hit starting position, add initial plies */
7665 if( count == backwardMostMove )
7666 count -= initialRulePlies;
7667 count = forwardMostMove - count;
7668 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7669 // adjust reversible move counter for checks in Xiangqi
7670 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7671 if(i < backwardMostMove) i = backwardMostMove;
7672 while(i <= forwardMostMove) {
7673 lastCheck = inCheck; // check evasion does not count
7674 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7675 if(inCheck || lastCheck) count--; // check does not count
7680 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7681 /* this is used to judge if draw claims are legal */
7682 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7683 if(engineOpponent) {
7684 SendToProgram("force\n", engineOpponent); // suppress reply
7685 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7687 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7691 /* if draw offer is pending, treat it as a draw claim
7692 * when draw condition present, to allow engines a way to
7693 * claim draws before making their move to avoid a race
7694 * condition occurring after their move
7696 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7698 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7699 p = "Draw claim: 50-move rule";
7700 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7701 p = "Draw claim: 3-fold repetition";
7702 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7703 p = "Draw claim: insufficient mating material";
7704 if( p != NULL && canAdjudicate) {
7705 if(engineOpponent) {
7706 SendToProgram("force\n", engineOpponent); // suppress reply
7707 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7709 GameEnds( GameIsDrawn, p, GE_XBOARD );
7714 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7715 if(engineOpponent) {
7716 SendToProgram("force\n", engineOpponent); // suppress reply
7717 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7719 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7726 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7727 { // [HGM] book: this routine intercepts moves to simulate book replies
7728 char *bookHit = NULL;
7730 //first determine if the incoming move brings opponent into his book
7731 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7732 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7733 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7734 if(bookHit != NULL && !cps->bookSuspend) {
7735 // make sure opponent is not going to reply after receiving move to book position
7736 SendToProgram("force\n", cps);
7737 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7739 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7740 // now arrange restart after book miss
7742 // after a book hit we never send 'go', and the code after the call to this routine
7743 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7744 char buf[MSG_SIZ], *move = bookHit;
7746 int fromX, fromY, toX, toY;
7750 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7751 &fromX, &fromY, &toX, &toY, &promoChar)) {
7752 (void) CoordsToAlgebraic(boards[forwardMostMove],
7753 PosFlags(forwardMostMove),
7754 fromY, fromX, toY, toX, promoChar, move);
7756 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7760 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7761 SendToProgram(buf, cps);
7762 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7763 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7764 SendToProgram("go\n", cps);
7765 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7766 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7767 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7768 SendToProgram("go\n", cps);
7769 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7771 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7775 ChessProgramState *savedState;
7777 DeferredBookMove (void)
7779 if(savedState->lastPing != savedState->lastPong)
7780 ScheduleDelayedEvent(DeferredBookMove, 10);
7782 HandleMachineMove(savedMessage, savedState);
7785 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7788 HandleMachineMove (char *message, ChessProgramState *cps)
7790 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7791 char realname[MSG_SIZ];
7792 int fromX, fromY, toX, toY;
7799 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7800 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7801 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7802 DisplayError(_("Invalid pairing from pairing engine"), 0);
7805 pairingReceived = 1;
7807 return; // Skim the pairing messages here.
7812 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7814 * Kludge to ignore BEL characters
7816 while (*message == '\007') message++;
7819 * [HGM] engine debug message: ignore lines starting with '#' character
7821 if(cps->debug && *message == '#') return;
7824 * Look for book output
7826 if (cps == &first && bookRequested) {
7827 if (message[0] == '\t' || message[0] == ' ') {
7828 /* Part of the book output is here; append it */
7829 strcat(bookOutput, message);
7830 strcat(bookOutput, " \n");
7832 } else if (bookOutput[0] != NULLCHAR) {
7833 /* All of book output has arrived; display it */
7834 char *p = bookOutput;
7835 while (*p != NULLCHAR) {
7836 if (*p == '\t') *p = ' ';
7839 DisplayInformation(bookOutput);
7840 bookRequested = FALSE;
7841 /* Fall through to parse the current output */
7846 * Look for machine move.
7848 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7849 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7851 /* This method is only useful on engines that support ping */
7852 if (cps->lastPing != cps->lastPong) {
7853 if (gameMode == BeginningOfGame) {
7854 /* Extra move from before last new; ignore */
7855 if (appData.debugMode) {
7856 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7859 if (appData.debugMode) {
7860 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7861 cps->which, gameMode);
7864 SendToProgram("undo\n", cps);
7870 case BeginningOfGame:
7871 /* Extra move from before last reset; ignore */
7872 if (appData.debugMode) {
7873 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7880 /* Extra move after we tried to stop. The mode test is
7881 not a reliable way of detecting this problem, but it's
7882 the best we can do on engines that don't support ping.
7884 if (appData.debugMode) {
7885 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7886 cps->which, gameMode);
7888 SendToProgram("undo\n", cps);
7891 case MachinePlaysWhite:
7892 case IcsPlayingWhite:
7893 machineWhite = TRUE;
7896 case MachinePlaysBlack:
7897 case IcsPlayingBlack:
7898 machineWhite = FALSE;
7901 case TwoMachinesPlay:
7902 machineWhite = (cps->twoMachinesColor[0] == 'w');
7905 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7906 if (appData.debugMode) {
7908 "Ignoring move out of turn by %s, gameMode %d"
7909 ", forwardMost %d\n",
7910 cps->which, gameMode, forwardMostMove);
7915 if(cps->alphaRank) AlphaRank(machineMove, 4);
7916 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7917 &fromX, &fromY, &toX, &toY, &promoChar)) {
7918 /* Machine move could not be parsed; ignore it. */
7919 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7920 machineMove, _(cps->which));
7921 DisplayError(buf1, 0);
7922 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7923 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7924 if (gameMode == TwoMachinesPlay) {
7925 GameEnds(machineWhite ? BlackWins : WhiteWins,
7931 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7932 /* So we have to redo legality test with true e.p. status here, */
7933 /* to make sure an illegal e.p. capture does not slip through, */
7934 /* to cause a forfeit on a justified illegal-move complaint */
7935 /* of the opponent. */
7936 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7938 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7939 fromY, fromX, toY, toX, promoChar);
7940 if(moveType == IllegalMove) {
7941 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7942 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7943 GameEnds(machineWhite ? BlackWins : WhiteWins,
7946 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7947 /* [HGM] Kludge to handle engines that send FRC-style castling
7948 when they shouldn't (like TSCP-Gothic) */
7950 case WhiteASideCastleFR:
7951 case BlackASideCastleFR:
7953 currentMoveString[2]++;
7955 case WhiteHSideCastleFR:
7956 case BlackHSideCastleFR:
7958 currentMoveString[2]--;
7960 default: ; // nothing to do, but suppresses warning of pedantic compilers
7963 hintRequested = FALSE;
7964 lastHint[0] = NULLCHAR;
7965 bookRequested = FALSE;
7966 /* Program may be pondering now */
7967 cps->maybeThinking = TRUE;
7968 if (cps->sendTime == 2) cps->sendTime = 1;
7969 if (cps->offeredDraw) cps->offeredDraw--;
7971 /* [AS] Save move info*/
7972 pvInfoList[ forwardMostMove ].score = programStats.score;
7973 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7974 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7976 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7978 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7979 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7982 while( count < adjudicateLossPlies ) {
7983 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7986 score = -score; /* Flip score for winning side */
7989 if( score > adjudicateLossThreshold ) {
7996 if( count >= adjudicateLossPlies ) {
7997 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7999 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8000 "Xboard adjudication",
8007 if(Adjudicate(cps)) {
8008 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8009 return; // [HGM] adjudicate: for all automatic game ends
8013 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8015 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8016 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8018 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8020 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8022 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8023 char buf[3*MSG_SIZ];
8025 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8026 programStats.score / 100.,
8028 programStats.time / 100.,
8029 (unsigned int)programStats.nodes,
8030 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8031 programStats.movelist);
8033 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8038 /* [AS] Clear stats for next move */
8039 ClearProgramStats();
8040 thinkOutput[0] = NULLCHAR;
8041 hiddenThinkOutputState = 0;
8044 if (gameMode == TwoMachinesPlay) {
8045 /* [HGM] relaying draw offers moved to after reception of move */
8046 /* and interpreting offer as claim if it brings draw condition */
8047 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8048 SendToProgram("draw\n", cps->other);
8050 if (cps->other->sendTime) {
8051 SendTimeRemaining(cps->other,
8052 cps->other->twoMachinesColor[0] == 'w');
8054 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8055 if (firstMove && !bookHit) {
8057 if (cps->other->useColors) {
8058 SendToProgram(cps->other->twoMachinesColor, cps->other);
8060 SendToProgram("go\n", cps->other);
8062 cps->other->maybeThinking = TRUE;
8065 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8067 if (!pausing && appData.ringBellAfterMoves) {
8072 * Reenable menu items that were disabled while
8073 * machine was thinking
8075 if (gameMode != TwoMachinesPlay)
8076 SetUserThinkingEnables();
8078 // [HGM] book: after book hit opponent has received move and is now in force mode
8079 // force the book reply into it, and then fake that it outputted this move by jumping
8080 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8082 static char bookMove[MSG_SIZ]; // a bit generous?
8084 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8085 strcat(bookMove, bookHit);
8088 programStats.nodes = programStats.depth = programStats.time =
8089 programStats.score = programStats.got_only_move = 0;
8090 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8092 if(cps->lastPing != cps->lastPong) {
8093 savedMessage = message; // args for deferred call
8095 ScheduleDelayedEvent(DeferredBookMove, 10);
8104 /* Set special modes for chess engines. Later something general
8105 * could be added here; for now there is just one kludge feature,
8106 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8107 * when "xboard" is given as an interactive command.
8109 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8110 cps->useSigint = FALSE;
8111 cps->useSigterm = FALSE;
8113 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8114 ParseFeatures(message+8, cps);
8115 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8118 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8119 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8120 int dummy, s=6; char buf[MSG_SIZ];
8121 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8122 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8123 if(startedFromSetupPosition) return;
8124 ParseFEN(boards[0], &dummy, message+s);
8125 DrawPosition(TRUE, boards[0]);
8126 startedFromSetupPosition = TRUE;
8129 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8130 * want this, I was asked to put it in, and obliged.
8132 if (!strncmp(message, "setboard ", 9)) {
8133 Board initial_position;
8135 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8137 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8138 DisplayError(_("Bad FEN received from engine"), 0);
8142 CopyBoard(boards[0], initial_position);
8143 initialRulePlies = FENrulePlies;
8144 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8145 else gameMode = MachinePlaysBlack;
8146 DrawPosition(FALSE, boards[currentMove]);
8152 * Look for communication commands
8154 if (!strncmp(message, "telluser ", 9)) {
8155 if(message[9] == '\\' && message[10] == '\\')
8156 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8158 DisplayNote(message + 9);
8161 if (!strncmp(message, "tellusererror ", 14)) {
8163 if(message[14] == '\\' && message[15] == '\\')
8164 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8166 DisplayError(message + 14, 0);
8169 if (!strncmp(message, "tellopponent ", 13)) {
8170 if (appData.icsActive) {
8172 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8176 DisplayNote(message + 13);
8180 if (!strncmp(message, "tellothers ", 11)) {
8181 if (appData.icsActive) {
8183 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8189 if (!strncmp(message, "tellall ", 8)) {
8190 if (appData.icsActive) {
8192 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8196 DisplayNote(message + 8);
8200 if (strncmp(message, "warning", 7) == 0) {
8201 /* Undocumented feature, use tellusererror in new code */
8202 DisplayError(message, 0);
8205 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8206 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8207 strcat(realname, " query");
8208 AskQuestion(realname, buf2, buf1, cps->pr);
8211 /* Commands from the engine directly to ICS. We don't allow these to be
8212 * sent until we are logged on. Crafty kibitzes have been known to
8213 * interfere with the login process.
8216 if (!strncmp(message, "tellics ", 8)) {
8217 SendToICS(message + 8);
8221 if (!strncmp(message, "tellicsnoalias ", 15)) {
8222 SendToICS(ics_prefix);
8223 SendToICS(message + 15);
8227 /* The following are for backward compatibility only */
8228 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8229 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8230 SendToICS(ics_prefix);
8236 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8240 * If the move is illegal, cancel it and redraw the board.
8241 * Also deal with other error cases. Matching is rather loose
8242 * here to accommodate engines written before the spec.
8244 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8245 strncmp(message, "Error", 5) == 0) {
8246 if (StrStr(message, "name") ||
8247 StrStr(message, "rating") || StrStr(message, "?") ||
8248 StrStr(message, "result") || StrStr(message, "board") ||
8249 StrStr(message, "bk") || StrStr(message, "computer") ||
8250 StrStr(message, "variant") || StrStr(message, "hint") ||
8251 StrStr(message, "random") || StrStr(message, "depth") ||
8252 StrStr(message, "accepted")) {
8255 if (StrStr(message, "protover")) {
8256 /* Program is responding to input, so it's apparently done
8257 initializing, and this error message indicates it is
8258 protocol version 1. So we don't need to wait any longer
8259 for it to initialize and send feature commands. */
8260 FeatureDone(cps, 1);
8261 cps->protocolVersion = 1;
8264 cps->maybeThinking = FALSE;
8266 if (StrStr(message, "draw")) {
8267 /* Program doesn't have "draw" command */
8268 cps->sendDrawOffers = 0;
8271 if (cps->sendTime != 1 &&
8272 (StrStr(message, "time") || StrStr(message, "otim"))) {
8273 /* Program apparently doesn't have "time" or "otim" command */
8277 if (StrStr(message, "analyze")) {
8278 cps->analysisSupport = FALSE;
8279 cps->analyzing = FALSE;
8280 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8281 EditGameEvent(); // [HGM] try to preserve loaded game
8282 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8283 DisplayError(buf2, 0);
8286 if (StrStr(message, "(no matching move)st")) {
8287 /* Special kludge for GNU Chess 4 only */
8288 cps->stKludge = TRUE;
8289 SendTimeControl(cps, movesPerSession, timeControl,
8290 timeIncrement, appData.searchDepth,
8294 if (StrStr(message, "(no matching move)sd")) {
8295 /* Special kludge for GNU Chess 4 only */
8296 cps->sdKludge = TRUE;
8297 SendTimeControl(cps, movesPerSession, timeControl,
8298 timeIncrement, appData.searchDepth,
8302 if (!StrStr(message, "llegal")) {
8305 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8306 gameMode == IcsIdle) return;
8307 if (forwardMostMove <= backwardMostMove) return;
8308 if (pausing) PauseEvent();
8309 if(appData.forceIllegal) {
8310 // [HGM] illegal: machine refused move; force position after move into it
8311 SendToProgram("force\n", cps);
8312 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8313 // we have a real problem now, as SendBoard will use the a2a3 kludge
8314 // when black is to move, while there might be nothing on a2 or black
8315 // might already have the move. So send the board as if white has the move.
8316 // But first we must change the stm of the engine, as it refused the last move
8317 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8318 if(WhiteOnMove(forwardMostMove)) {
8319 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8320 SendBoard(cps, forwardMostMove); // kludgeless board
8322 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8323 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8324 SendBoard(cps, forwardMostMove+1); // kludgeless board
8326 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8327 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8328 gameMode == TwoMachinesPlay)
8329 SendToProgram("go\n", cps);
8332 if (gameMode == PlayFromGameFile) {
8333 /* Stop reading this game file */
8334 gameMode = EditGame;
8337 /* [HGM] illegal-move claim should forfeit game when Xboard */
8338 /* only passes fully legal moves */
8339 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8340 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8341 "False illegal-move claim", GE_XBOARD );
8342 return; // do not take back move we tested as valid
8344 currentMove = forwardMostMove-1;
8345 DisplayMove(currentMove-1); /* before DisplayMoveError */
8346 SwitchClocks(forwardMostMove-1); // [HGM] race
8347 DisplayBothClocks();
8348 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8349 parseList[currentMove], _(cps->which));
8350 DisplayMoveError(buf1);
8351 DrawPosition(FALSE, boards[currentMove]);
8353 SetUserThinkingEnables();
8356 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8357 /* Program has a broken "time" command that
8358 outputs a string not ending in newline.
8364 * If chess program startup fails, exit with an error message.
8365 * Attempts to recover here are futile.
8367 if ((StrStr(message, "unknown host") != NULL)
8368 || (StrStr(message, "No remote directory") != NULL)
8369 || (StrStr(message, "not found") != NULL)
8370 || (StrStr(message, "No such file") != NULL)
8371 || (StrStr(message, "can't alloc") != NULL)
8372 || (StrStr(message, "Permission denied") != NULL)) {
8374 cps->maybeThinking = FALSE;
8375 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8376 _(cps->which), cps->program, cps->host, message);
8377 RemoveInputSource(cps->isr);
8378 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8379 if(cps == &first) appData.noChessProgram = TRUE;
8380 DisplayError(buf1, 0);
8386 * Look for hint output
8388 if (sscanf(message, "Hint: %s", buf1) == 1) {
8389 if (cps == &first && hintRequested) {
8390 hintRequested = FALSE;
8391 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8392 &fromX, &fromY, &toX, &toY, &promoChar)) {
8393 (void) CoordsToAlgebraic(boards[forwardMostMove],
8394 PosFlags(forwardMostMove),
8395 fromY, fromX, toY, toX, promoChar, buf1);
8396 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8397 DisplayInformation(buf2);
8399 /* Hint move could not be parsed!? */
8400 snprintf(buf2, sizeof(buf2),
8401 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8402 buf1, _(cps->which));
8403 DisplayError(buf2, 0);
8406 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8412 * Ignore other messages if game is not in progress
8414 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8415 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8418 * look for win, lose, draw, or draw offer
8420 if (strncmp(message, "1-0", 3) == 0) {
8421 char *p, *q, *r = "";
8422 p = strchr(message, '{');
8430 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8432 } else if (strncmp(message, "0-1", 3) == 0) {
8433 char *p, *q, *r = "";
8434 p = strchr(message, '{');
8442 /* Kludge for Arasan 4.1 bug */
8443 if (strcmp(r, "Black resigns") == 0) {
8444 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8447 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8449 } else if (strncmp(message, "1/2", 3) == 0) {
8450 char *p, *q, *r = "";
8451 p = strchr(message, '{');
8460 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8463 } else if (strncmp(message, "White resign", 12) == 0) {
8464 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8466 } else if (strncmp(message, "Black resign", 12) == 0) {
8467 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8469 } else if (strncmp(message, "White matches", 13) == 0 ||
8470 strncmp(message, "Black matches", 13) == 0 ) {
8471 /* [HGM] ignore GNUShogi noises */
8473 } else if (strncmp(message, "White", 5) == 0 &&
8474 message[5] != '(' &&
8475 StrStr(message, "Black") == NULL) {
8476 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8478 } else if (strncmp(message, "Black", 5) == 0 &&
8479 message[5] != '(') {
8480 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8482 } else if (strcmp(message, "resign") == 0 ||
8483 strcmp(message, "computer resigns") == 0) {
8485 case MachinePlaysBlack:
8486 case IcsPlayingBlack:
8487 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8489 case MachinePlaysWhite:
8490 case IcsPlayingWhite:
8491 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8493 case TwoMachinesPlay:
8494 if (cps->twoMachinesColor[0] == 'w')
8495 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8497 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8504 } else if (strncmp(message, "opponent mates", 14) == 0) {
8506 case MachinePlaysBlack:
8507 case IcsPlayingBlack:
8508 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8510 case MachinePlaysWhite:
8511 case IcsPlayingWhite:
8512 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8514 case TwoMachinesPlay:
8515 if (cps->twoMachinesColor[0] == 'w')
8516 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8518 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8525 } else if (strncmp(message, "computer mates", 14) == 0) {
8527 case MachinePlaysBlack:
8528 case IcsPlayingBlack:
8529 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8531 case MachinePlaysWhite:
8532 case IcsPlayingWhite:
8533 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8535 case TwoMachinesPlay:
8536 if (cps->twoMachinesColor[0] == 'w')
8537 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8539 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8546 } else if (strncmp(message, "checkmate", 9) == 0) {
8547 if (WhiteOnMove(forwardMostMove)) {
8548 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8550 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8553 } else if (strstr(message, "Draw") != NULL ||
8554 strstr(message, "game is a draw") != NULL) {
8555 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8557 } else if (strstr(message, "offer") != NULL &&
8558 strstr(message, "draw") != NULL) {
8560 if (appData.zippyPlay && first.initDone) {
8561 /* Relay offer to ICS */
8562 SendToICS(ics_prefix);
8563 SendToICS("draw\n");
8566 cps->offeredDraw = 2; /* valid until this engine moves twice */
8567 if (gameMode == TwoMachinesPlay) {
8568 if (cps->other->offeredDraw) {
8569 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8570 /* [HGM] in two-machine mode we delay relaying draw offer */
8571 /* until after we also have move, to see if it is really claim */
8573 } else if (gameMode == MachinePlaysWhite ||
8574 gameMode == MachinePlaysBlack) {
8575 if (userOfferedDraw) {
8576 DisplayInformation(_("Machine accepts your draw offer"));
8577 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8579 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8586 * Look for thinking output
8588 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8589 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8591 int plylev, mvleft, mvtot, curscore, time;
8592 char mvname[MOVE_LEN];
8596 int prefixHint = FALSE;
8597 mvname[0] = NULLCHAR;
8600 case MachinePlaysBlack:
8601 case IcsPlayingBlack:
8602 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8604 case MachinePlaysWhite:
8605 case IcsPlayingWhite:
8606 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8611 case IcsObserving: /* [DM] icsEngineAnalyze */
8612 if (!appData.icsEngineAnalyze) ignore = TRUE;
8614 case TwoMachinesPlay:
8615 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8625 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8627 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8628 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8630 if (plyext != ' ' && plyext != '\t') {
8634 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8635 if( cps->scoreIsAbsolute &&
8636 ( gameMode == MachinePlaysBlack ||
8637 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8638 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8639 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8640 !WhiteOnMove(currentMove)
8643 curscore = -curscore;
8646 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8648 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8651 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8652 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8653 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8654 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8655 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8656 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8658 } else DisplayError(_("failed writing PV"), 0);
8661 tempStats.depth = plylev;
8662 tempStats.nodes = nodes;
8663 tempStats.time = time;
8664 tempStats.score = curscore;
8665 tempStats.got_only_move = 0;
8667 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8670 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8671 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8672 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8673 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8674 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8675 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8676 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8677 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8680 /* Buffer overflow protection */
8681 if (pv[0] != NULLCHAR) {
8682 if (strlen(pv) >= sizeof(tempStats.movelist)
8683 && appData.debugMode) {
8685 "PV is too long; using the first %u bytes.\n",
8686 (unsigned) sizeof(tempStats.movelist) - 1);
8689 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8691 sprintf(tempStats.movelist, " no PV\n");
8694 if (tempStats.seen_stat) {
8695 tempStats.ok_to_send = 1;
8698 if (strchr(tempStats.movelist, '(') != NULL) {
8699 tempStats.line_is_book = 1;
8700 tempStats.nr_moves = 0;
8701 tempStats.moves_left = 0;
8703 tempStats.line_is_book = 0;
8706 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8707 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8709 SendProgramStatsToFrontend( cps, &tempStats );
8712 [AS] Protect the thinkOutput buffer from overflow... this
8713 is only useful if buf1 hasn't overflowed first!
8715 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8717 (gameMode == TwoMachinesPlay ?
8718 ToUpper(cps->twoMachinesColor[0]) : ' '),
8719 ((double) curscore) / 100.0,
8720 prefixHint ? lastHint : "",
8721 prefixHint ? " " : "" );
8723 if( buf1[0] != NULLCHAR ) {
8724 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8726 if( strlen(pv) > max_len ) {
8727 if( appData.debugMode) {
8728 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8730 pv[max_len+1] = '\0';
8733 strcat( thinkOutput, pv);
8736 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8737 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8738 DisplayMove(currentMove - 1);
8742 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8743 /* crafty (9.25+) says "(only move) <move>"
8744 * if there is only 1 legal move
8746 sscanf(p, "(only move) %s", buf1);
8747 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8748 sprintf(programStats.movelist, "%s (only move)", buf1);
8749 programStats.depth = 1;
8750 programStats.nr_moves = 1;
8751 programStats.moves_left = 1;
8752 programStats.nodes = 1;
8753 programStats.time = 1;
8754 programStats.got_only_move = 1;
8756 /* Not really, but we also use this member to
8757 mean "line isn't going to change" (Crafty
8758 isn't searching, so stats won't change) */
8759 programStats.line_is_book = 1;
8761 SendProgramStatsToFrontend( cps, &programStats );
8763 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8764 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8765 DisplayMove(currentMove - 1);
8768 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8769 &time, &nodes, &plylev, &mvleft,
8770 &mvtot, mvname) >= 5) {
8771 /* The stat01: line is from Crafty (9.29+) in response
8772 to the "." command */
8773 programStats.seen_stat = 1;
8774 cps->maybeThinking = TRUE;
8776 if (programStats.got_only_move || !appData.periodicUpdates)
8779 programStats.depth = plylev;
8780 programStats.time = time;
8781 programStats.nodes = nodes;
8782 programStats.moves_left = mvleft;
8783 programStats.nr_moves = mvtot;
8784 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8785 programStats.ok_to_send = 1;
8786 programStats.movelist[0] = '\0';
8788 SendProgramStatsToFrontend( cps, &programStats );
8792 } else if (strncmp(message,"++",2) == 0) {
8793 /* Crafty 9.29+ outputs this */
8794 programStats.got_fail = 2;
8797 } else if (strncmp(message,"--",2) == 0) {
8798 /* Crafty 9.29+ outputs this */
8799 programStats.got_fail = 1;
8802 } else if (thinkOutput[0] != NULLCHAR &&
8803 strncmp(message, " ", 4) == 0) {
8804 unsigned message_len;
8807 while (*p && *p == ' ') p++;
8809 message_len = strlen( p );
8811 /* [AS] Avoid buffer overflow */
8812 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8813 strcat(thinkOutput, " ");
8814 strcat(thinkOutput, p);
8817 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8818 strcat(programStats.movelist, " ");
8819 strcat(programStats.movelist, p);
8822 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8823 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8824 DisplayMove(currentMove - 1);
8832 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8833 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8835 ChessProgramStats cpstats;
8837 if (plyext != ' ' && plyext != '\t') {
8841 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8842 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8843 curscore = -curscore;
8846 cpstats.depth = plylev;
8847 cpstats.nodes = nodes;
8848 cpstats.time = time;
8849 cpstats.score = curscore;
8850 cpstats.got_only_move = 0;
8851 cpstats.movelist[0] = '\0';
8853 if (buf1[0] != NULLCHAR) {
8854 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8857 cpstats.ok_to_send = 0;
8858 cpstats.line_is_book = 0;
8859 cpstats.nr_moves = 0;
8860 cpstats.moves_left = 0;
8862 SendProgramStatsToFrontend( cps, &cpstats );
8869 /* Parse a game score from the character string "game", and
8870 record it as the history of the current game. The game
8871 score is NOT assumed to start from the standard position.
8872 The display is not updated in any way.
8875 ParseGameHistory (char *game)
8878 int fromX, fromY, toX, toY, boardIndex;
8883 if (appData.debugMode)
8884 fprintf(debugFP, "Parsing game history: %s\n", game);
8886 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8887 gameInfo.site = StrSave(appData.icsHost);
8888 gameInfo.date = PGNDate();
8889 gameInfo.round = StrSave("-");
8891 /* Parse out names of players */
8892 while (*game == ' ') game++;
8894 while (*game != ' ') *p++ = *game++;
8896 gameInfo.white = StrSave(buf);
8897 while (*game == ' ') game++;
8899 while (*game != ' ' && *game != '\n') *p++ = *game++;
8901 gameInfo.black = StrSave(buf);
8904 boardIndex = blackPlaysFirst ? 1 : 0;
8907 yyboardindex = boardIndex;
8908 moveType = (ChessMove) Myylex();
8910 case IllegalMove: /* maybe suicide chess, etc. */
8911 if (appData.debugMode) {
8912 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8913 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8914 setbuf(debugFP, NULL);
8916 case WhitePromotion:
8917 case BlackPromotion:
8918 case WhiteNonPromotion:
8919 case BlackNonPromotion:
8921 case WhiteCapturesEnPassant:
8922 case BlackCapturesEnPassant:
8923 case WhiteKingSideCastle:
8924 case WhiteQueenSideCastle:
8925 case BlackKingSideCastle:
8926 case BlackQueenSideCastle:
8927 case WhiteKingSideCastleWild:
8928 case WhiteQueenSideCastleWild:
8929 case BlackKingSideCastleWild:
8930 case BlackQueenSideCastleWild:
8932 case WhiteHSideCastleFR:
8933 case WhiteASideCastleFR:
8934 case BlackHSideCastleFR:
8935 case BlackASideCastleFR:
8937 fromX = currentMoveString[0] - AAA;
8938 fromY = currentMoveString[1] - ONE;
8939 toX = currentMoveString[2] - AAA;
8940 toY = currentMoveString[3] - ONE;
8941 promoChar = currentMoveString[4];
8945 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8946 fromX = moveType == WhiteDrop ?
8947 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8948 (int) CharToPiece(ToLower(currentMoveString[0]));
8950 toX = currentMoveString[2] - AAA;
8951 toY = currentMoveString[3] - ONE;
8952 promoChar = NULLCHAR;
8956 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8957 if (appData.debugMode) {
8958 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8959 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8960 setbuf(debugFP, NULL);
8962 DisplayError(buf, 0);
8964 case ImpossibleMove:
8966 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8967 if (appData.debugMode) {
8968 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8969 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8970 setbuf(debugFP, NULL);
8972 DisplayError(buf, 0);
8975 if (boardIndex < backwardMostMove) {
8976 /* Oops, gap. How did that happen? */
8977 DisplayError(_("Gap in move list"), 0);
8980 backwardMostMove = blackPlaysFirst ? 1 : 0;
8981 if (boardIndex > forwardMostMove) {
8982 forwardMostMove = boardIndex;
8986 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8987 strcat(parseList[boardIndex-1], " ");
8988 strcat(parseList[boardIndex-1], yy_text);
9000 case GameUnfinished:
9001 if (gameMode == IcsExamining) {
9002 if (boardIndex < backwardMostMove) {
9003 /* Oops, gap. How did that happen? */
9006 backwardMostMove = blackPlaysFirst ? 1 : 0;
9009 gameInfo.result = moveType;
9010 p = strchr(yy_text, '{');
9011 if (p == NULL) p = strchr(yy_text, '(');
9014 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9016 q = strchr(p, *p == '{' ? '}' : ')');
9017 if (q != NULL) *q = NULLCHAR;
9020 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9021 gameInfo.resultDetails = StrSave(p);
9024 if (boardIndex >= forwardMostMove &&
9025 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9026 backwardMostMove = blackPlaysFirst ? 1 : 0;
9029 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9030 fromY, fromX, toY, toX, promoChar,
9031 parseList[boardIndex]);
9032 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9033 /* currentMoveString is set as a side-effect of yylex */
9034 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9035 strcat(moveList[boardIndex], "\n");
9037 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9038 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9044 if(gameInfo.variant != VariantShogi)
9045 strcat(parseList[boardIndex - 1], "+");
9049 strcat(parseList[boardIndex - 1], "#");
9056 /* Apply a move to the given board */
9058 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9060 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9061 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9063 /* [HGM] compute & store e.p. status and castling rights for new position */
9064 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9066 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9067 oldEP = (signed char)board[EP_STATUS];
9068 board[EP_STATUS] = EP_NONE;
9070 if (fromY == DROP_RANK) {
9072 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9073 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9076 piece = board[toY][toX] = (ChessSquare) fromX;
9080 if( board[toY][toX] != EmptySquare )
9081 board[EP_STATUS] = EP_CAPTURE;
9083 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9084 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9085 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9087 if( board[fromY][fromX] == WhitePawn ) {
9088 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9089 board[EP_STATUS] = EP_PAWN_MOVE;
9091 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9092 gameInfo.variant != VariantBerolina || toX < fromX)
9093 board[EP_STATUS] = toX | berolina;
9094 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9095 gameInfo.variant != VariantBerolina || toX > fromX)
9096 board[EP_STATUS] = toX;
9099 if( board[fromY][fromX] == BlackPawn ) {
9100 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9101 board[EP_STATUS] = EP_PAWN_MOVE;
9102 if( toY-fromY== -2) {
9103 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9104 gameInfo.variant != VariantBerolina || toX < fromX)
9105 board[EP_STATUS] = toX | berolina;
9106 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9107 gameInfo.variant != VariantBerolina || toX > fromX)
9108 board[EP_STATUS] = toX;
9112 for(i=0; i<nrCastlingRights; i++) {
9113 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9114 board[CASTLING][i] == toX && castlingRank[i] == toY
9115 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9118 if (fromX == toX && fromY == toY) return;
9120 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9121 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9122 if(gameInfo.variant == VariantKnightmate)
9123 king += (int) WhiteUnicorn - (int) WhiteKing;
9125 /* Code added by Tord: */
9126 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9127 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9128 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9129 board[fromY][fromX] = EmptySquare;
9130 board[toY][toX] = EmptySquare;
9131 if((toX > fromX) != (piece == WhiteRook)) {
9132 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9134 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9136 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9137 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9138 board[fromY][fromX] = EmptySquare;
9139 board[toY][toX] = EmptySquare;
9140 if((toX > fromX) != (piece == BlackRook)) {
9141 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9143 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9145 /* End of code added by Tord */
9147 } else if (board[fromY][fromX] == king
9148 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9149 && toY == fromY && toX > fromX+1) {
9150 board[fromY][fromX] = EmptySquare;
9151 board[toY][toX] = king;
9152 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9153 board[fromY][BOARD_RGHT-1] = EmptySquare;
9154 } else if (board[fromY][fromX] == king
9155 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9156 && toY == fromY && toX < fromX-1) {
9157 board[fromY][fromX] = EmptySquare;
9158 board[toY][toX] = king;
9159 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9160 board[fromY][BOARD_LEFT] = EmptySquare;
9161 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9162 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9163 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9165 /* white pawn promotion */
9166 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9167 if(gameInfo.variant==VariantBughouse ||
9168 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9169 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9170 board[fromY][fromX] = EmptySquare;
9171 } else if ((fromY >= BOARD_HEIGHT>>1)
9173 && gameInfo.variant != VariantXiangqi
9174 && gameInfo.variant != VariantBerolina
9175 && (board[fromY][fromX] == WhitePawn)
9176 && (board[toY][toX] == EmptySquare)) {
9177 board[fromY][fromX] = EmptySquare;
9178 board[toY][toX] = WhitePawn;
9179 captured = board[toY - 1][toX];
9180 board[toY - 1][toX] = EmptySquare;
9181 } else if ((fromY == BOARD_HEIGHT-4)
9183 && gameInfo.variant == VariantBerolina
9184 && (board[fromY][fromX] == WhitePawn)
9185 && (board[toY][toX] == EmptySquare)) {
9186 board[fromY][fromX] = EmptySquare;
9187 board[toY][toX] = WhitePawn;
9188 if(oldEP & EP_BEROLIN_A) {
9189 captured = board[fromY][fromX-1];
9190 board[fromY][fromX-1] = EmptySquare;
9191 }else{ captured = board[fromY][fromX+1];
9192 board[fromY][fromX+1] = EmptySquare;
9194 } else if (board[fromY][fromX] == king
9195 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9196 && toY == fromY && toX > fromX+1) {
9197 board[fromY][fromX] = EmptySquare;
9198 board[toY][toX] = king;
9199 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9200 board[fromY][BOARD_RGHT-1] = EmptySquare;
9201 } else if (board[fromY][fromX] == king
9202 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9203 && toY == fromY && toX < fromX-1) {
9204 board[fromY][fromX] = EmptySquare;
9205 board[toY][toX] = king;
9206 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9207 board[fromY][BOARD_LEFT] = EmptySquare;
9208 } else if (fromY == 7 && fromX == 3
9209 && board[fromY][fromX] == BlackKing
9210 && toY == 7 && toX == 5) {
9211 board[fromY][fromX] = EmptySquare;
9212 board[toY][toX] = BlackKing;
9213 board[fromY][7] = EmptySquare;
9214 board[toY][4] = BlackRook;
9215 } else if (fromY == 7 && fromX == 3
9216 && board[fromY][fromX] == BlackKing
9217 && toY == 7 && toX == 1) {
9218 board[fromY][fromX] = EmptySquare;
9219 board[toY][toX] = BlackKing;
9220 board[fromY][0] = EmptySquare;
9221 board[toY][2] = BlackRook;
9222 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9223 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9224 && toY < promoRank && promoChar
9226 /* black pawn promotion */
9227 board[toY][toX] = CharToPiece(ToLower(promoChar));
9228 if(gameInfo.variant==VariantBughouse ||
9229 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9230 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9231 board[fromY][fromX] = EmptySquare;
9232 } else if ((fromY < BOARD_HEIGHT>>1)
9234 && gameInfo.variant != VariantXiangqi
9235 && gameInfo.variant != VariantBerolina
9236 && (board[fromY][fromX] == BlackPawn)
9237 && (board[toY][toX] == EmptySquare)) {
9238 board[fromY][fromX] = EmptySquare;
9239 board[toY][toX] = BlackPawn;
9240 captured = board[toY + 1][toX];
9241 board[toY + 1][toX] = EmptySquare;
9242 } else if ((fromY == 3)
9244 && gameInfo.variant == VariantBerolina
9245 && (board[fromY][fromX] == BlackPawn)
9246 && (board[toY][toX] == EmptySquare)) {
9247 board[fromY][fromX] = EmptySquare;
9248 board[toY][toX] = BlackPawn;
9249 if(oldEP & EP_BEROLIN_A) {
9250 captured = board[fromY][fromX-1];
9251 board[fromY][fromX-1] = EmptySquare;
9252 }else{ captured = board[fromY][fromX+1];
9253 board[fromY][fromX+1] = EmptySquare;
9256 board[toY][toX] = board[fromY][fromX];
9257 board[fromY][fromX] = EmptySquare;
9261 if (gameInfo.holdingsWidth != 0) {
9263 /* !!A lot more code needs to be written to support holdings */
9264 /* [HGM] OK, so I have written it. Holdings are stored in the */
9265 /* penultimate board files, so they are automaticlly stored */
9266 /* in the game history. */
9267 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9268 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9269 /* Delete from holdings, by decreasing count */
9270 /* and erasing image if necessary */
9271 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9272 if(p < (int) BlackPawn) { /* white drop */
9273 p -= (int)WhitePawn;
9274 p = PieceToNumber((ChessSquare)p);
9275 if(p >= gameInfo.holdingsSize) p = 0;
9276 if(--board[p][BOARD_WIDTH-2] <= 0)
9277 board[p][BOARD_WIDTH-1] = EmptySquare;
9278 if((int)board[p][BOARD_WIDTH-2] < 0)
9279 board[p][BOARD_WIDTH-2] = 0;
9280 } else { /* black drop */
9281 p -= (int)BlackPawn;
9282 p = PieceToNumber((ChessSquare)p);
9283 if(p >= gameInfo.holdingsSize) p = 0;
9284 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9285 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9286 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9287 board[BOARD_HEIGHT-1-p][1] = 0;
9290 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9291 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9292 /* [HGM] holdings: Add to holdings, if holdings exist */
9293 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9294 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9295 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9298 if (p >= (int) BlackPawn) {
9299 p -= (int)BlackPawn;
9300 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9301 /* in Shogi restore piece to its original first */
9302 captured = (ChessSquare) (DEMOTED captured);
9305 p = PieceToNumber((ChessSquare)p);
9306 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9307 board[p][BOARD_WIDTH-2]++;
9308 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9310 p -= (int)WhitePawn;
9311 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9312 captured = (ChessSquare) (DEMOTED captured);
9315 p = PieceToNumber((ChessSquare)p);
9316 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9317 board[BOARD_HEIGHT-1-p][1]++;
9318 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9321 } else if (gameInfo.variant == VariantAtomic) {
9322 if (captured != EmptySquare) {
9324 for (y = toY-1; y <= toY+1; y++) {
9325 for (x = toX-1; x <= toX+1; x++) {
9326 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9327 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9328 board[y][x] = EmptySquare;
9332 board[toY][toX] = EmptySquare;
9335 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9336 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9338 if(promoChar == '+') {
9339 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9340 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9341 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9342 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9344 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9345 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9346 // [HGM] superchess: take promotion piece out of holdings
9347 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9348 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9349 if(!--board[k][BOARD_WIDTH-2])
9350 board[k][BOARD_WIDTH-1] = EmptySquare;
9352 if(!--board[BOARD_HEIGHT-1-k][1])
9353 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9359 /* Updates forwardMostMove */
9361 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9363 // forwardMostMove++; // [HGM] bare: moved downstream
9365 (void) CoordsToAlgebraic(boards[forwardMostMove],
9366 PosFlags(forwardMostMove),
9367 fromY, fromX, toY, toX, promoChar,
9368 parseList[forwardMostMove]);
9370 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9371 int timeLeft; static int lastLoadFlag=0; int king, piece;
9372 piece = boards[forwardMostMove][fromY][fromX];
9373 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9374 if(gameInfo.variant == VariantKnightmate)
9375 king += (int) WhiteUnicorn - (int) WhiteKing;
9376 if(forwardMostMove == 0) {
9377 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9378 fprintf(serverMoves, "%s;", UserName());
9379 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9380 fprintf(serverMoves, "%s;", second.tidy);
9381 fprintf(serverMoves, "%s;", first.tidy);
9382 if(gameMode == MachinePlaysWhite)
9383 fprintf(serverMoves, "%s;", UserName());
9384 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9385 fprintf(serverMoves, "%s;", second.tidy);
9386 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9387 lastLoadFlag = loadFlag;
9389 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9390 // print castling suffix
9391 if( toY == fromY && piece == king ) {
9393 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9395 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9398 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9399 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9400 boards[forwardMostMove][toY][toX] == EmptySquare
9401 && fromX != toX && fromY != toY)
9402 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9404 if(promoChar != NULLCHAR)
9405 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9407 char buf[MOVE_LEN*2], *p; int len;
9408 fprintf(serverMoves, "/%d/%d",
9409 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9410 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9411 else timeLeft = blackTimeRemaining/1000;
9412 fprintf(serverMoves, "/%d", timeLeft);
9413 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9414 if(p = strchr(buf, '=')) *p = NULLCHAR;
9415 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9416 fprintf(serverMoves, "/%s", buf);
9418 fflush(serverMoves);
9421 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9422 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9425 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9426 if (commentList[forwardMostMove+1] != NULL) {
9427 free(commentList[forwardMostMove+1]);
9428 commentList[forwardMostMove+1] = NULL;
9430 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9431 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9432 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9433 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9434 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9435 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9436 adjustedClock = FALSE;
9437 gameInfo.result = GameUnfinished;
9438 if (gameInfo.resultDetails != NULL) {
9439 free(gameInfo.resultDetails);
9440 gameInfo.resultDetails = NULL;
9442 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9443 moveList[forwardMostMove - 1]);
9444 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9450 if(gameInfo.variant != VariantShogi)
9451 strcat(parseList[forwardMostMove - 1], "+");
9455 strcat(parseList[forwardMostMove - 1], "#");
9461 /* Updates currentMove if not pausing */
9463 ShowMove (int fromX, int fromY, int toX, int toY)
9465 int instant = (gameMode == PlayFromGameFile) ?
9466 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9467 if(appData.noGUI) return;
9468 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9470 if (forwardMostMove == currentMove + 1) {
9471 AnimateMove(boards[forwardMostMove - 1],
9472 fromX, fromY, toX, toY);
9474 if (appData.highlightLastMove) {
9475 SetHighlights(fromX, fromY, toX, toY);
9478 currentMove = forwardMostMove;
9481 if (instant) return;
9483 DisplayMove(currentMove - 1);
9484 DrawPosition(FALSE, boards[currentMove]);
9485 DisplayBothClocks();
9486 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9490 SendEgtPath (ChessProgramState *cps)
9491 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9492 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9494 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9497 char c, *q = name+1, *r, *s;
9499 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9500 while(*p && *p != ',') *q++ = *p++;
9502 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9503 strcmp(name, ",nalimov:") == 0 ) {
9504 // take nalimov path from the menu-changeable option first, if it is defined
9505 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9506 SendToProgram(buf,cps); // send egtbpath command for nalimov
9508 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9509 (s = StrStr(appData.egtFormats, name)) != NULL) {
9510 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9511 s = r = StrStr(s, ":") + 1; // beginning of path info
9512 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9513 c = *r; *r = 0; // temporarily null-terminate path info
9514 *--q = 0; // strip of trailig ':' from name
9515 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9517 SendToProgram(buf,cps); // send egtbpath command for this format
9519 if(*p == ',') p++; // read away comma to position for next format name
9524 InitChessProgram (ChessProgramState *cps, int setup)
9525 /* setup needed to setup FRC opening position */
9527 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9528 if (appData.noChessProgram) return;
9529 hintRequested = FALSE;
9530 bookRequested = FALSE;
9532 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9533 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9534 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9535 if(cps->memSize) { /* [HGM] memory */
9536 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9537 SendToProgram(buf, cps);
9539 SendEgtPath(cps); /* [HGM] EGT */
9540 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9541 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9542 SendToProgram(buf, cps);
9545 SendToProgram(cps->initString, cps);
9546 if (gameInfo.variant != VariantNormal &&
9547 gameInfo.variant != VariantLoadable
9548 /* [HGM] also send variant if board size non-standard */
9549 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9551 char *v = VariantName(gameInfo.variant);
9552 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9553 /* [HGM] in protocol 1 we have to assume all variants valid */
9554 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9555 DisplayFatalError(buf, 0, 1);
9559 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9560 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9561 if( gameInfo.variant == VariantXiangqi )
9562 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9563 if( gameInfo.variant == VariantShogi )
9564 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9565 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9566 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9567 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9568 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9569 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9570 if( gameInfo.variant == VariantCourier )
9571 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9572 if( gameInfo.variant == VariantSuper )
9573 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9574 if( gameInfo.variant == VariantGreat )
9575 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9576 if( gameInfo.variant == VariantSChess )
9577 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9578 if( gameInfo.variant == VariantGrand )
9579 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9582 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9583 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9584 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9585 if(StrStr(cps->variants, b) == NULL) {
9586 // specific sized variant not known, check if general sizing allowed
9587 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9588 if(StrStr(cps->variants, "boardsize") == NULL) {
9589 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9590 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9591 DisplayFatalError(buf, 0, 1);
9594 /* [HGM] here we really should compare with the maximum supported board size */
9597 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9598 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9599 SendToProgram(buf, cps);
9601 currentlyInitializedVariant = gameInfo.variant;
9603 /* [HGM] send opening position in FRC to first engine */
9605 SendToProgram("force\n", cps);
9607 /* engine is now in force mode! Set flag to wake it up after first move. */
9608 setboardSpoiledMachineBlack = 1;
9612 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9613 SendToProgram(buf, cps);
9615 cps->maybeThinking = FALSE;
9616 cps->offeredDraw = 0;
9617 if (!appData.icsActive) {
9618 SendTimeControl(cps, movesPerSession, timeControl,
9619 timeIncrement, appData.searchDepth,
9622 if (appData.showThinking
9623 // [HGM] thinking: four options require thinking output to be sent
9624 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9626 SendToProgram("post\n", cps);
9628 SendToProgram("hard\n", cps);
9629 if (!appData.ponderNextMove) {
9630 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9631 it without being sure what state we are in first. "hard"
9632 is not a toggle, so that one is OK.
9634 SendToProgram("easy\n", cps);
9637 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9638 SendToProgram(buf, cps);
9640 cps->initDone = TRUE;
9641 ClearEngineOutputPane(cps == &second);
9646 StartChessProgram (ChessProgramState *cps)
9651 if (appData.noChessProgram) return;
9652 cps->initDone = FALSE;
9654 if (strcmp(cps->host, "localhost") == 0) {
9655 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9656 } else if (*appData.remoteShell == NULLCHAR) {
9657 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9659 if (*appData.remoteUser == NULLCHAR) {
9660 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9663 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9664 cps->host, appData.remoteUser, cps->program);
9666 err = StartChildProcess(buf, "", &cps->pr);
9670 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9671 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9672 if(cps != &first) return;
9673 appData.noChessProgram = TRUE;
9676 // DisplayFatalError(buf, err, 1);
9677 // cps->pr = NoProc;
9682 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9683 if (cps->protocolVersion > 1) {
9684 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9685 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9686 cps->comboCnt = 0; // and values of combo boxes
9687 SendToProgram(buf, cps);
9689 SendToProgram("xboard\n", cps);
9694 TwoMachinesEventIfReady P((void))
9696 static int curMess = 0;
9697 if (first.lastPing != first.lastPong) {
9698 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9699 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9702 if (second.lastPing != second.lastPong) {
9703 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9704 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9707 DisplayMessage("", ""); curMess = 0;
9713 MakeName (char *template)
9717 static char buf[MSG_SIZ];
9721 clock = time((time_t *)NULL);
9722 tm = localtime(&clock);
9724 while(*p++ = *template++) if(p[-1] == '%') {
9725 switch(*template++) {
9726 case 0: *p = 0; return buf;
9727 case 'Y': i = tm->tm_year+1900; break;
9728 case 'y': i = tm->tm_year-100; break;
9729 case 'M': i = tm->tm_mon+1; break;
9730 case 'd': i = tm->tm_mday; break;
9731 case 'h': i = tm->tm_hour; break;
9732 case 'm': i = tm->tm_min; break;
9733 case 's': i = tm->tm_sec; break;
9736 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9742 CountPlayers (char *p)
9745 while(p = strchr(p, '\n')) p++, n++; // count participants
9750 WriteTourneyFile (char *results, FILE *f)
9751 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9752 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9753 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9754 // create a file with tournament description
9755 fprintf(f, "-participants {%s}\n", appData.participants);
9756 fprintf(f, "-seedBase %d\n", appData.seedBase);
9757 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9758 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9759 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9760 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9761 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9762 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9763 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9764 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9765 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9766 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9767 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9768 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9770 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9772 fprintf(f, "-mps %d\n", appData.movesPerSession);
9773 fprintf(f, "-tc %s\n", appData.timeControl);
9774 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9776 fprintf(f, "-results \"%s\"\n", results);
9781 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9784 Substitute (char *participants, int expunge)
9786 int i, changed, changes=0, nPlayers=0;
9787 char *p, *q, *r, buf[MSG_SIZ];
9788 if(participants == NULL) return;
9789 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9790 r = p = participants; q = appData.participants;
9791 while(*p && *p == *q) {
9792 if(*p == '\n') r = p+1, nPlayers++;
9795 if(*p) { // difference
9796 while(*p && *p++ != '\n');
9797 while(*q && *q++ != '\n');
9799 changes = 1 + (strcmp(p, q) != 0);
9801 if(changes == 1) { // a single engine mnemonic was changed
9802 q = r; while(*q) nPlayers += (*q++ == '\n');
9803 p = buf; while(*r && (*p = *r++) != '\n') p++;
9805 NamesToList(firstChessProgramNames, command, mnemonic, "all");
9806 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9807 if(mnemonic[i]) { // The substitute is valid
9809 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9810 flock(fileno(f), LOCK_EX);
9811 ParseArgsFromFile(f);
9812 fseek(f, 0, SEEK_SET);
9813 FREE(appData.participants); appData.participants = participants;
9814 if(expunge) { // erase results of replaced engine
9815 int len = strlen(appData.results), w, b, dummy;
9816 for(i=0; i<len; i++) {
9817 Pairing(i, nPlayers, &w, &b, &dummy);
9818 if((w == changed || b == changed) && appData.results[i] == '*') {
9819 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9824 for(i=0; i<len; i++) {
9825 Pairing(i, nPlayers, &w, &b, &dummy);
9826 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9829 WriteTourneyFile(appData.results, f);
9830 fclose(f); // release lock
9833 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9835 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9836 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9842 CreateTourney (char *name)
9845 if(matchMode && strcmp(name, appData.tourneyFile)) {
9846 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9848 if(name[0] == NULLCHAR) {
9849 if(appData.participants[0])
9850 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9853 f = fopen(name, "r");
9854 if(f) { // file exists
9855 ASSIGN(appData.tourneyFile, name);
9856 ParseArgsFromFile(f); // parse it
9858 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9859 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9860 DisplayError(_("Not enough participants"), 0);
9863 ASSIGN(appData.tourneyFile, name);
9864 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9865 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9868 appData.noChessProgram = FALSE;
9869 appData.clockMode = TRUE;
9875 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
9877 char buf[MSG_SIZ], *p, *q;
9878 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
9879 skip = !all && group[0]; // if group requested, we start in skip mode
9880 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
9881 p = names; q = buf; header = 0;
9882 while(*p && *p != '\n') *q++ = *p++;
9886 if(strstr(buf, "# end") == buf) { depth--; continue; } // leave group, and suppress printing label
9887 depth++; // we must be entering a new group
9888 if(all) continue; // suppress printing group headers when complete list requested
9890 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
9892 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
9893 if(engineList[i]) free(engineList[i]);
9894 engineList[i] = strdup(buf);
9895 if(buf[0] != '#') TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
9896 if(engineMnemonic[i]) free(engineMnemonic[i]);
9897 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9899 sscanf(q + 8, "%s", buf + strlen(buf));
9902 engineMnemonic[i] = strdup(buf);
9905 engineList[i] = engineMnemonic[i] = NULL;
9909 // following implemented as macro to avoid type limitations
9910 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9914 { // swap settings for first engine and other engine (so far only some selected options)
9919 SWAP(chessProgram, p)
9921 SWAP(hasOwnBookUCI, h)
9922 SWAP(protocolVersion, h)
9924 SWAP(scoreIsAbsolute, h)
9933 SetPlayer (int player, char *p)
9934 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9936 char buf[MSG_SIZ], *engineName;
9937 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9938 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9939 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9941 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9942 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9943 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
9944 ParseArgsFromString(buf);
9950 char *recentEngines;
9953 RecentEngineEvent (int nr)
9956 // SwapEngines(1); // bump first to second
9957 // ReplaceEngine(&second, 1); // and load it there
9958 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
9959 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
9960 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
9961 ReplaceEngine(&first, 0);
9962 FloatToFront(&appData.recentEngineList, command[n]);
9967 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9968 { // determine players from game number
9969 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9971 if(appData.tourneyType == 0) {
9972 roundsPerCycle = (nPlayers - 1) | 1;
9973 pairingsPerRound = nPlayers / 2;
9974 } else if(appData.tourneyType > 0) {
9975 roundsPerCycle = nPlayers - appData.tourneyType;
9976 pairingsPerRound = appData.tourneyType;
9978 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9979 gamesPerCycle = gamesPerRound * roundsPerCycle;
9980 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9981 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9982 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9983 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9984 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9985 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9987 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9988 if(appData.roundSync) *syncInterval = gamesPerRound;
9990 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9992 if(appData.tourneyType == 0) {
9993 if(curPairing == (nPlayers-1)/2 ) {
9994 *whitePlayer = curRound;
9995 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9997 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9998 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9999 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10000 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10002 } else if(appData.tourneyType > 1) {
10003 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10004 *whitePlayer = curRound + appData.tourneyType;
10005 } else if(appData.tourneyType > 0) {
10006 *whitePlayer = curPairing;
10007 *blackPlayer = curRound + appData.tourneyType;
10010 // take care of white/black alternation per round.
10011 // For cycles and games this is already taken care of by default, derived from matchGame!
10012 return curRound & 1;
10016 NextTourneyGame (int nr, int *swapColors)
10017 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10019 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10021 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10022 tf = fopen(appData.tourneyFile, "r");
10023 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10024 ParseArgsFromFile(tf); fclose(tf);
10025 InitTimeControls(); // TC might be altered from tourney file
10027 nPlayers = CountPlayers(appData.participants); // count participants
10028 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10029 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10032 p = q = appData.results;
10033 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10034 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10035 DisplayMessage(_("Waiting for other game(s)"),"");
10036 waitingForGame = TRUE;
10037 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10040 waitingForGame = FALSE;
10043 if(appData.tourneyType < 0) {
10044 if(nr>=0 && !pairingReceived) {
10046 if(pairing.pr == NoProc) {
10047 if(!appData.pairingEngine[0]) {
10048 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10051 StartChessProgram(&pairing); // starts the pairing engine
10053 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10054 SendToProgram(buf, &pairing);
10055 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10056 SendToProgram(buf, &pairing);
10057 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10059 pairingReceived = 0; // ... so we continue here
10061 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10062 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10063 matchGame = 1; roundNr = nr / syncInterval + 1;
10066 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10068 // redefine engines, engine dir, etc.
10069 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10070 if(first.pr == NoProc) {
10071 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10072 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10074 if(second.pr == NoProc) {
10076 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10077 SwapEngines(1); // and make that valid for second engine by swapping
10078 InitEngine(&second, 1);
10080 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10081 UpdateLogos(FALSE); // leave display to ModeHiglight()
10087 { // performs game initialization that does not invoke engines, and then tries to start the game
10088 int res, firstWhite, swapColors = 0;
10089 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10090 if(matchMode && appData.debugMode) { // [HGM] debug split: game is part of a match; we might have to create a debug file just for this game
10092 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10093 if(strcmp(buf, currentDebugFile)) { // name has changed
10094 FILE *f = fopen(buf, "w");
10095 if(f) { // if opening the new file failed, just keep using the old one
10096 ASSIGN(currentDebugFile, buf);
10100 if(appData.serverFileName) {
10101 if(serverFP) fclose(serverFP);
10102 serverFP = fopen(appData.serverFileName, "w");
10103 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10104 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10108 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10109 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10110 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10111 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10112 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10113 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10114 Reset(FALSE, first.pr != NoProc);
10115 res = LoadGameOrPosition(matchGame); // setup game
10116 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10117 if(!res) return; // abort when bad game/pos file
10118 TwoMachinesEvent();
10122 UserAdjudicationEvent (int result)
10124 ChessMove gameResult = GameIsDrawn;
10127 gameResult = WhiteWins;
10129 else if( result < 0 ) {
10130 gameResult = BlackWins;
10133 if( gameMode == TwoMachinesPlay ) {
10134 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10139 // [HGM] save: calculate checksum of game to make games easily identifiable
10141 StringCheckSum (char *s)
10144 if(s==NULL) return 0;
10145 while(*s) i = i*259 + *s++;
10153 for(i=backwardMostMove; i<forwardMostMove; i++) {
10154 sum += pvInfoList[i].depth;
10155 sum += StringCheckSum(parseList[i]);
10156 sum += StringCheckSum(commentList[i]);
10159 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10160 return sum + StringCheckSum(commentList[i]);
10161 } // end of save patch
10164 GameEnds (ChessMove result, char *resultDetails, int whosays)
10166 GameMode nextGameMode;
10168 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10170 if(endingGame) return; /* [HGM] crash: forbid recursion */
10172 if(twoBoards) { // [HGM] dual: switch back to one board
10173 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10174 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10176 if (appData.debugMode) {
10177 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10178 result, resultDetails ? resultDetails : "(null)", whosays);
10181 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10183 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10184 /* If we are playing on ICS, the server decides when the
10185 game is over, but the engine can offer to draw, claim
10189 if (appData.zippyPlay && first.initDone) {
10190 if (result == GameIsDrawn) {
10191 /* In case draw still needs to be claimed */
10192 SendToICS(ics_prefix);
10193 SendToICS("draw\n");
10194 } else if (StrCaseStr(resultDetails, "resign")) {
10195 SendToICS(ics_prefix);
10196 SendToICS("resign\n");
10200 endingGame = 0; /* [HGM] crash */
10204 /* If we're loading the game from a file, stop */
10205 if (whosays == GE_FILE) {
10206 (void) StopLoadGameTimer();
10210 /* Cancel draw offers */
10211 first.offeredDraw = second.offeredDraw = 0;
10213 /* If this is an ICS game, only ICS can really say it's done;
10214 if not, anyone can. */
10215 isIcsGame = (gameMode == IcsPlayingWhite ||
10216 gameMode == IcsPlayingBlack ||
10217 gameMode == IcsObserving ||
10218 gameMode == IcsExamining);
10220 if (!isIcsGame || whosays == GE_ICS) {
10221 /* OK -- not an ICS game, or ICS said it was done */
10223 if (!isIcsGame && !appData.noChessProgram)
10224 SetUserThinkingEnables();
10226 /* [HGM] if a machine claims the game end we verify this claim */
10227 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10228 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10230 ChessMove trueResult = (ChessMove) -1;
10232 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10233 first.twoMachinesColor[0] :
10234 second.twoMachinesColor[0] ;
10236 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10237 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10238 /* [HGM] verify: engine mate claims accepted if they were flagged */
10239 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10241 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10242 /* [HGM] verify: engine mate claims accepted if they were flagged */
10243 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10245 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10246 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10249 // now verify win claims, but not in drop games, as we don't understand those yet
10250 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10251 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10252 (result == WhiteWins && claimer == 'w' ||
10253 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10254 if (appData.debugMode) {
10255 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10256 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10258 if(result != trueResult) {
10259 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10260 result = claimer == 'w' ? BlackWins : WhiteWins;
10261 resultDetails = buf;
10264 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10265 && (forwardMostMove <= backwardMostMove ||
10266 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10267 (claimer=='b')==(forwardMostMove&1))
10269 /* [HGM] verify: draws that were not flagged are false claims */
10270 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10271 result = claimer == 'w' ? BlackWins : WhiteWins;
10272 resultDetails = buf;
10274 /* (Claiming a loss is accepted no questions asked!) */
10276 /* [HGM] bare: don't allow bare King to win */
10277 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10278 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10279 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10280 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10281 && result != GameIsDrawn)
10282 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10283 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10284 int p = (signed char)boards[forwardMostMove][i][j] - color;
10285 if(p >= 0 && p <= (int)WhiteKing) k++;
10287 if (appData.debugMode) {
10288 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10289 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10292 result = GameIsDrawn;
10293 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10294 resultDetails = buf;
10300 if(serverMoves != NULL && !loadFlag) { char c = '=';
10301 if(result==WhiteWins) c = '+';
10302 if(result==BlackWins) c = '-';
10303 if(resultDetails != NULL)
10304 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10306 if (resultDetails != NULL) {
10307 gameInfo.result = result;
10308 gameInfo.resultDetails = StrSave(resultDetails);
10310 /* display last move only if game was not loaded from file */
10311 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10312 DisplayMove(currentMove - 1);
10314 if (forwardMostMove != 0) {
10315 if (gameMode != PlayFromGameFile && gameMode != EditGame
10316 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10318 if (*appData.saveGameFile != NULLCHAR) {
10319 SaveGameToFile(appData.saveGameFile, TRUE);
10320 } else if (appData.autoSaveGames) {
10323 if (*appData.savePositionFile != NULLCHAR) {
10324 SavePositionToFile(appData.savePositionFile);
10329 /* Tell program how game ended in case it is learning */
10330 /* [HGM] Moved this to after saving the PGN, just in case */
10331 /* engine died and we got here through time loss. In that */
10332 /* case we will get a fatal error writing the pipe, which */
10333 /* would otherwise lose us the PGN. */
10334 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10335 /* output during GameEnds should never be fatal anymore */
10336 if (gameMode == MachinePlaysWhite ||
10337 gameMode == MachinePlaysBlack ||
10338 gameMode == TwoMachinesPlay ||
10339 gameMode == IcsPlayingWhite ||
10340 gameMode == IcsPlayingBlack ||
10341 gameMode == BeginningOfGame) {
10343 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10345 if (first.pr != NoProc) {
10346 SendToProgram(buf, &first);
10348 if (second.pr != NoProc &&
10349 gameMode == TwoMachinesPlay) {
10350 SendToProgram(buf, &second);
10355 if (appData.icsActive) {
10356 if (appData.quietPlay &&
10357 (gameMode == IcsPlayingWhite ||
10358 gameMode == IcsPlayingBlack)) {
10359 SendToICS(ics_prefix);
10360 SendToICS("set shout 1\n");
10362 nextGameMode = IcsIdle;
10363 ics_user_moved = FALSE;
10364 /* clean up premove. It's ugly when the game has ended and the
10365 * premove highlights are still on the board.
10368 gotPremove = FALSE;
10369 ClearPremoveHighlights();
10370 DrawPosition(FALSE, boards[currentMove]);
10372 if (whosays == GE_ICS) {
10375 if (gameMode == IcsPlayingWhite)
10377 else if(gameMode == IcsPlayingBlack)
10378 PlayIcsLossSound();
10381 if (gameMode == IcsPlayingBlack)
10383 else if(gameMode == IcsPlayingWhite)
10384 PlayIcsLossSound();
10387 PlayIcsDrawSound();
10390 PlayIcsUnfinishedSound();
10393 } else if (gameMode == EditGame ||
10394 gameMode == PlayFromGameFile ||
10395 gameMode == AnalyzeMode ||
10396 gameMode == AnalyzeFile) {
10397 nextGameMode = gameMode;
10399 nextGameMode = EndOfGame;
10404 nextGameMode = gameMode;
10407 if (appData.noChessProgram) {
10408 gameMode = nextGameMode;
10410 endingGame = 0; /* [HGM] crash */
10415 /* Put first chess program into idle state */
10416 if (first.pr != NoProc &&
10417 (gameMode == MachinePlaysWhite ||
10418 gameMode == MachinePlaysBlack ||
10419 gameMode == TwoMachinesPlay ||
10420 gameMode == IcsPlayingWhite ||
10421 gameMode == IcsPlayingBlack ||
10422 gameMode == BeginningOfGame)) {
10423 SendToProgram("force\n", &first);
10424 if (first.usePing) {
10426 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10427 SendToProgram(buf, &first);
10430 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10431 /* Kill off first chess program */
10432 if (first.isr != NULL)
10433 RemoveInputSource(first.isr);
10436 if (first.pr != NoProc) {
10438 DoSleep( appData.delayBeforeQuit );
10439 SendToProgram("quit\n", &first);
10440 DoSleep( appData.delayAfterQuit );
10441 DestroyChildProcess(first.pr, first.useSigterm);
10445 if (second.reuse) {
10446 /* Put second chess program into idle state */
10447 if (second.pr != NoProc &&
10448 gameMode == TwoMachinesPlay) {
10449 SendToProgram("force\n", &second);
10450 if (second.usePing) {
10452 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10453 SendToProgram(buf, &second);
10456 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10457 /* Kill off second chess program */
10458 if (second.isr != NULL)
10459 RemoveInputSource(second.isr);
10462 if (second.pr != NoProc) {
10463 DoSleep( appData.delayBeforeQuit );
10464 SendToProgram("quit\n", &second);
10465 DoSleep( appData.delayAfterQuit );
10466 DestroyChildProcess(second.pr, second.useSigterm);
10468 second.pr = NoProc;
10471 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10472 char resChar = '=';
10476 if (first.twoMachinesColor[0] == 'w') {
10479 second.matchWins++;
10484 if (first.twoMachinesColor[0] == 'b') {
10487 second.matchWins++;
10490 case GameUnfinished:
10496 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10497 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10498 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10499 ReserveGame(nextGame, resChar); // sets nextGame
10500 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10501 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10502 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10504 if (nextGame <= appData.matchGames && !abortMatch) {
10505 gameMode = nextGameMode;
10506 matchGame = nextGame; // this will be overruled in tourney mode!
10507 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10508 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10509 endingGame = 0; /* [HGM] crash */
10512 gameMode = nextGameMode;
10513 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10514 first.tidy, second.tidy,
10515 first.matchWins, second.matchWins,
10516 appData.matchGames - (first.matchWins + second.matchWins));
10517 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10518 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10519 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10520 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10521 first.twoMachinesColor = "black\n";
10522 second.twoMachinesColor = "white\n";
10524 first.twoMachinesColor = "white\n";
10525 second.twoMachinesColor = "black\n";
10529 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10530 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10532 gameMode = nextGameMode;
10534 endingGame = 0; /* [HGM] crash */
10535 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10536 if(matchMode == TRUE) { // match through command line: exit with or without popup
10538 ToNrEvent(forwardMostMove);
10539 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10541 } else DisplayFatalError(buf, 0, 0);
10542 } else { // match through menu; just stop, with or without popup
10543 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10546 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10547 } else DisplayNote(buf);
10549 if(ranking) free(ranking);
10553 /* Assumes program was just initialized (initString sent).
10554 Leaves program in force mode. */
10556 FeedMovesToProgram (ChessProgramState *cps, int upto)
10560 if (appData.debugMode)
10561 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10562 startedFromSetupPosition ? "position and " : "",
10563 backwardMostMove, upto, cps->which);
10564 if(currentlyInitializedVariant != gameInfo.variant) {
10566 // [HGM] variantswitch: make engine aware of new variant
10567 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10568 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10569 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10570 SendToProgram(buf, cps);
10571 currentlyInitializedVariant = gameInfo.variant;
10573 SendToProgram("force\n", cps);
10574 if (startedFromSetupPosition) {
10575 SendBoard(cps, backwardMostMove);
10576 if (appData.debugMode) {
10577 fprintf(debugFP, "feedMoves\n");
10580 for (i = backwardMostMove; i < upto; i++) {
10581 SendMoveToProgram(i, cps);
10587 ResurrectChessProgram ()
10589 /* The chess program may have exited.
10590 If so, restart it and feed it all the moves made so far. */
10591 static int doInit = 0;
10593 if (appData.noChessProgram) return 1;
10595 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10596 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10597 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10598 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10600 if (first.pr != NoProc) return 1;
10601 StartChessProgram(&first);
10603 InitChessProgram(&first, FALSE);
10604 FeedMovesToProgram(&first, currentMove);
10606 if (!first.sendTime) {
10607 /* can't tell gnuchess what its clock should read,
10608 so we bow to its notion. */
10610 timeRemaining[0][currentMove] = whiteTimeRemaining;
10611 timeRemaining[1][currentMove] = blackTimeRemaining;
10614 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10615 appData.icsEngineAnalyze) && first.analysisSupport) {
10616 SendToProgram("analyze\n", &first);
10617 first.analyzing = TRUE;
10623 * Button procedures
10626 Reset (int redraw, int init)
10630 if (appData.debugMode) {
10631 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10632 redraw, init, gameMode);
10634 CleanupTail(); // [HGM] vari: delete any stored variations
10635 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10636 pausing = pauseExamInvalid = FALSE;
10637 startedFromSetupPosition = blackPlaysFirst = FALSE;
10639 whiteFlag = blackFlag = FALSE;
10640 userOfferedDraw = FALSE;
10641 hintRequested = bookRequested = FALSE;
10642 first.maybeThinking = FALSE;
10643 second.maybeThinking = FALSE;
10644 first.bookSuspend = FALSE; // [HGM] book
10645 second.bookSuspend = FALSE;
10646 thinkOutput[0] = NULLCHAR;
10647 lastHint[0] = NULLCHAR;
10648 ClearGameInfo(&gameInfo);
10649 gameInfo.variant = StringToVariant(appData.variant);
10650 ics_user_moved = ics_clock_paused = FALSE;
10651 ics_getting_history = H_FALSE;
10653 white_holding[0] = black_holding[0] = NULLCHAR;
10654 ClearProgramStats();
10655 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10659 flipView = appData.flipView;
10660 ClearPremoveHighlights();
10661 gotPremove = FALSE;
10662 alarmSounded = FALSE;
10664 GameEnds(EndOfFile, NULL, GE_PLAYER);
10665 if(appData.serverMovesName != NULL) {
10666 /* [HGM] prepare to make moves file for broadcasting */
10667 clock_t t = clock();
10668 if(serverMoves != NULL) fclose(serverMoves);
10669 serverMoves = fopen(appData.serverMovesName, "r");
10670 if(serverMoves != NULL) {
10671 fclose(serverMoves);
10672 /* delay 15 sec before overwriting, so all clients can see end */
10673 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10675 serverMoves = fopen(appData.serverMovesName, "w");
10679 gameMode = BeginningOfGame;
10681 if(appData.icsActive) gameInfo.variant = VariantNormal;
10682 currentMove = forwardMostMove = backwardMostMove = 0;
10683 MarkTargetSquares(1);
10684 InitPosition(redraw);
10685 for (i = 0; i < MAX_MOVES; i++) {
10686 if (commentList[i] != NULL) {
10687 free(commentList[i]);
10688 commentList[i] = NULL;
10692 timeRemaining[0][0] = whiteTimeRemaining;
10693 timeRemaining[1][0] = blackTimeRemaining;
10695 if (first.pr == NoProc) {
10696 StartChessProgram(&first);
10699 InitChessProgram(&first, startedFromSetupPosition);
10702 DisplayMessage("", "");
10703 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10704 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10708 AutoPlayGameLoop ()
10711 if (!AutoPlayOneMove())
10713 if (matchMode || appData.timeDelay == 0)
10715 if (appData.timeDelay < 0)
10717 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10726 int fromX, fromY, toX, toY;
10728 if (appData.debugMode) {
10729 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10732 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10735 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10736 pvInfoList[currentMove].depth = programStats.depth;
10737 pvInfoList[currentMove].score = programStats.score;
10738 pvInfoList[currentMove].time = 0;
10739 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10742 if (currentMove >= forwardMostMove) {
10743 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10744 // gameMode = EndOfGame;
10745 // ModeHighlight();
10747 /* [AS] Clear current move marker at the end of a game */
10748 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10753 toX = moveList[currentMove][2] - AAA;
10754 toY = moveList[currentMove][3] - ONE;
10756 if (moveList[currentMove][1] == '@') {
10757 if (appData.highlightLastMove) {
10758 SetHighlights(-1, -1, toX, toY);
10761 fromX = moveList[currentMove][0] - AAA;
10762 fromY = moveList[currentMove][1] - ONE;
10764 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10766 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10768 if (appData.highlightLastMove) {
10769 SetHighlights(fromX, fromY, toX, toY);
10772 DisplayMove(currentMove);
10773 SendMoveToProgram(currentMove++, &first);
10774 DisplayBothClocks();
10775 DrawPosition(FALSE, boards[currentMove]);
10776 // [HGM] PV info: always display, routine tests if empty
10777 DisplayComment(currentMove - 1, commentList[currentMove]);
10783 LoadGameOneMove (ChessMove readAhead)
10785 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10786 char promoChar = NULLCHAR;
10787 ChessMove moveType;
10788 char move[MSG_SIZ];
10791 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10792 gameMode != AnalyzeMode && gameMode != Training) {
10797 yyboardindex = forwardMostMove;
10798 if (readAhead != EndOfFile) {
10799 moveType = readAhead;
10801 if (gameFileFP == NULL)
10803 moveType = (ChessMove) Myylex();
10807 switch (moveType) {
10809 if (appData.debugMode)
10810 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10813 /* append the comment but don't display it */
10814 AppendComment(currentMove, p, FALSE);
10817 case WhiteCapturesEnPassant:
10818 case BlackCapturesEnPassant:
10819 case WhitePromotion:
10820 case BlackPromotion:
10821 case WhiteNonPromotion:
10822 case BlackNonPromotion:
10824 case WhiteKingSideCastle:
10825 case WhiteQueenSideCastle:
10826 case BlackKingSideCastle:
10827 case BlackQueenSideCastle:
10828 case WhiteKingSideCastleWild:
10829 case WhiteQueenSideCastleWild:
10830 case BlackKingSideCastleWild:
10831 case BlackQueenSideCastleWild:
10833 case WhiteHSideCastleFR:
10834 case WhiteASideCastleFR:
10835 case BlackHSideCastleFR:
10836 case BlackASideCastleFR:
10838 if (appData.debugMode)
10839 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10840 fromX = currentMoveString[0] - AAA;
10841 fromY = currentMoveString[1] - ONE;
10842 toX = currentMoveString[2] - AAA;
10843 toY = currentMoveString[3] - ONE;
10844 promoChar = currentMoveString[4];
10849 if (appData.debugMode)
10850 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10851 fromX = moveType == WhiteDrop ?
10852 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10853 (int) CharToPiece(ToLower(currentMoveString[0]));
10855 toX = currentMoveString[2] - AAA;
10856 toY = currentMoveString[3] - ONE;
10862 case GameUnfinished:
10863 if (appData.debugMode)
10864 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10865 p = strchr(yy_text, '{');
10866 if (p == NULL) p = strchr(yy_text, '(');
10869 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10871 q = strchr(p, *p == '{' ? '}' : ')');
10872 if (q != NULL) *q = NULLCHAR;
10875 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10876 GameEnds(moveType, p, GE_FILE);
10878 if (cmailMsgLoaded) {
10880 flipView = WhiteOnMove(currentMove);
10881 if (moveType == GameUnfinished) flipView = !flipView;
10882 if (appData.debugMode)
10883 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10888 if (appData.debugMode)
10889 fprintf(debugFP, "Parser hit end of file\n");
10890 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10896 if (WhiteOnMove(currentMove)) {
10897 GameEnds(BlackWins, "Black mates", GE_FILE);
10899 GameEnds(WhiteWins, "White mates", GE_FILE);
10903 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10909 case MoveNumberOne:
10910 if (lastLoadGameStart == GNUChessGame) {
10911 /* GNUChessGames have numbers, but they aren't move numbers */
10912 if (appData.debugMode)
10913 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10914 yy_text, (int) moveType);
10915 return LoadGameOneMove(EndOfFile); /* tail recursion */
10917 /* else fall thru */
10922 /* Reached start of next game in file */
10923 if (appData.debugMode)
10924 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10925 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10931 if (WhiteOnMove(currentMove)) {
10932 GameEnds(BlackWins, "Black mates", GE_FILE);
10934 GameEnds(WhiteWins, "White mates", GE_FILE);
10938 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10944 case PositionDiagram: /* should not happen; ignore */
10945 case ElapsedTime: /* ignore */
10946 case NAG: /* ignore */
10947 if (appData.debugMode)
10948 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10949 yy_text, (int) moveType);
10950 return LoadGameOneMove(EndOfFile); /* tail recursion */
10953 if (appData.testLegality) {
10954 if (appData.debugMode)
10955 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10956 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10957 (forwardMostMove / 2) + 1,
10958 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10959 DisplayError(move, 0);
10962 if (appData.debugMode)
10963 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10964 yy_text, currentMoveString);
10965 fromX = currentMoveString[0] - AAA;
10966 fromY = currentMoveString[1] - ONE;
10967 toX = currentMoveString[2] - AAA;
10968 toY = currentMoveString[3] - ONE;
10969 promoChar = currentMoveString[4];
10973 case AmbiguousMove:
10974 if (appData.debugMode)
10975 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10976 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10977 (forwardMostMove / 2) + 1,
10978 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10979 DisplayError(move, 0);
10984 case ImpossibleMove:
10985 if (appData.debugMode)
10986 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10987 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10988 (forwardMostMove / 2) + 1,
10989 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10990 DisplayError(move, 0);
10996 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10997 DrawPosition(FALSE, boards[currentMove]);
10998 DisplayBothClocks();
10999 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11000 DisplayComment(currentMove - 1, commentList[currentMove]);
11002 (void) StopLoadGameTimer();
11004 cmailOldMove = forwardMostMove;
11007 /* currentMoveString is set as a side-effect of yylex */
11009 thinkOutput[0] = NULLCHAR;
11010 MakeMove(fromX, fromY, toX, toY, promoChar);
11011 currentMove = forwardMostMove;
11016 /* Load the nth game from the given file */
11018 LoadGameFromFile (char *filename, int n, char *title, int useList)
11023 if (strcmp(filename, "-") == 0) {
11027 f = fopen(filename, "rb");
11029 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11030 DisplayError(buf, errno);
11034 if (fseek(f, 0, 0) == -1) {
11035 /* f is not seekable; probably a pipe */
11038 if (useList && n == 0) {
11039 int error = GameListBuild(f);
11041 DisplayError(_("Cannot build game list"), error);
11042 } else if (!ListEmpty(&gameList) &&
11043 ((ListGame *) gameList.tailPred)->number > 1) {
11044 GameListPopUp(f, title);
11051 return LoadGame(f, n, title, FALSE);
11056 MakeRegisteredMove ()
11058 int fromX, fromY, toX, toY;
11060 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11061 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11064 if (appData.debugMode)
11065 fprintf(debugFP, "Restoring %s for game %d\n",
11066 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11068 thinkOutput[0] = NULLCHAR;
11069 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11070 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11071 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11072 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11073 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11074 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11075 MakeMove(fromX, fromY, toX, toY, promoChar);
11076 ShowMove(fromX, fromY, toX, toY);
11078 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11085 if (WhiteOnMove(currentMove)) {
11086 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11088 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11093 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11100 if (WhiteOnMove(currentMove)) {
11101 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11103 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11108 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11119 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11121 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11125 if (gameNumber > nCmailGames) {
11126 DisplayError(_("No more games in this message"), 0);
11129 if (f == lastLoadGameFP) {
11130 int offset = gameNumber - lastLoadGameNumber;
11132 cmailMsg[0] = NULLCHAR;
11133 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11134 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11135 nCmailMovesRegistered--;
11137 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11138 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11139 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11142 if (! RegisterMove()) return FALSE;
11146 retVal = LoadGame(f, gameNumber, title, useList);
11148 /* Make move registered during previous look at this game, if any */
11149 MakeRegisteredMove();
11151 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11152 commentList[currentMove]
11153 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11154 DisplayComment(currentMove - 1, commentList[currentMove]);
11160 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11162 ReloadGame (int offset)
11164 int gameNumber = lastLoadGameNumber + offset;
11165 if (lastLoadGameFP == NULL) {
11166 DisplayError(_("No game has been loaded yet"), 0);
11169 if (gameNumber <= 0) {
11170 DisplayError(_("Can't back up any further"), 0);
11173 if (cmailMsgLoaded) {
11174 return CmailLoadGame(lastLoadGameFP, gameNumber,
11175 lastLoadGameTitle, lastLoadGameUseList);
11177 return LoadGame(lastLoadGameFP, gameNumber,
11178 lastLoadGameTitle, lastLoadGameUseList);
11182 int keys[EmptySquare+1];
11185 PositionMatches (Board b1, Board b2)
11188 switch(appData.searchMode) {
11189 case 1: return CompareWithRights(b1, b2);
11191 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11192 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11196 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11197 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11198 sum += keys[b1[r][f]] - keys[b2[r][f]];
11202 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11203 sum += keys[b1[r][f]] - keys[b2[r][f]];
11215 int pieceList[256], quickBoard[256];
11216 ChessSquare pieceType[256] = { EmptySquare };
11217 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11218 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11219 int soughtTotal, turn;
11220 Boolean epOK, flipSearch;
11223 unsigned char piece, to;
11226 #define DSIZE (250000)
11228 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11229 Move *moveDatabase = initialSpace;
11230 unsigned int movePtr, dataSize = DSIZE;
11233 MakePieceList (Board board, int *counts)
11235 int r, f, n=Q_PROMO, total=0;
11236 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11237 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11238 int sq = f + (r<<4);
11239 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11240 quickBoard[sq] = ++n;
11242 pieceType[n] = board[r][f];
11243 counts[board[r][f]]++;
11244 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11245 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11249 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11254 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11256 int sq = fromX + (fromY<<4);
11257 int piece = quickBoard[sq];
11258 quickBoard[sq] = 0;
11259 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11260 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11261 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11262 moveDatabase[movePtr++].piece = Q_WCASTL;
11263 quickBoard[sq] = piece;
11264 piece = quickBoard[from]; quickBoard[from] = 0;
11265 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11267 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11268 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11269 moveDatabase[movePtr++].piece = Q_BCASTL;
11270 quickBoard[sq] = piece;
11271 piece = quickBoard[from]; quickBoard[from] = 0;
11272 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11274 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11275 quickBoard[(fromY<<4)+toX] = 0;
11276 moveDatabase[movePtr].piece = Q_EP;
11277 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11278 moveDatabase[movePtr].to = sq;
11280 if(promoPiece != pieceType[piece]) {
11281 moveDatabase[movePtr++].piece = Q_PROMO;
11282 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11284 moveDatabase[movePtr].piece = piece;
11285 quickBoard[sq] = piece;
11290 PackGame (Board board)
11292 Move *newSpace = NULL;
11293 moveDatabase[movePtr].piece = 0; // terminate previous game
11294 if(movePtr > dataSize) {
11295 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11296 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11297 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11300 Move *p = moveDatabase, *q = newSpace;
11301 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11302 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11303 moveDatabase = newSpace;
11304 } else { // calloc failed, we must be out of memory. Too bad...
11305 dataSize = 0; // prevent calloc events for all subsequent games
11306 return 0; // and signal this one isn't cached
11310 MakePieceList(board, counts);
11315 QuickCompare (Board board, int *minCounts, int *maxCounts)
11316 { // compare according to search mode
11318 switch(appData.searchMode)
11320 case 1: // exact position match
11321 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11322 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11323 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11326 case 2: // can have extra material on empty squares
11327 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11328 if(board[r][f] == EmptySquare) continue;
11329 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11332 case 3: // material with exact Pawn structure
11333 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11334 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11335 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11336 } // fall through to material comparison
11337 case 4: // exact material
11338 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11340 case 6: // material range with given imbalance
11341 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11342 // fall through to range comparison
11343 case 5: // material range
11344 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11350 QuickScan (Board board, Move *move)
11351 { // reconstruct game,and compare all positions in it
11352 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11354 int piece = move->piece;
11355 int to = move->to, from = pieceList[piece];
11356 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11357 if(!piece) return -1;
11358 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11359 piece = (++move)->piece;
11360 from = pieceList[piece];
11361 counts[pieceType[piece]]--;
11362 pieceType[piece] = (ChessSquare) move->to;
11363 counts[move->to]++;
11364 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11365 counts[pieceType[quickBoard[to]]]--;
11366 quickBoard[to] = 0; total--;
11369 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11370 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11371 from = pieceList[piece]; // so this must be King
11372 quickBoard[from] = 0;
11373 quickBoard[to] = piece;
11374 pieceList[piece] = to;
11379 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11380 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11381 quickBoard[from] = 0;
11382 quickBoard[to] = piece;
11383 pieceList[piece] = to;
11385 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11386 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11387 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11388 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11390 static int lastCounts[EmptySquare+1];
11392 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11393 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11394 } else stretch = 0;
11395 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11404 flipSearch = FALSE;
11405 CopyBoard(soughtBoard, boards[currentMove]);
11406 soughtTotal = MakePieceList(soughtBoard, maxSought);
11407 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11408 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11409 CopyBoard(reverseBoard, boards[currentMove]);
11410 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11411 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11412 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11413 reverseBoard[r][f] = piece;
11415 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11416 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11417 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11418 || (boards[currentMove][CASTLING][2] == NoRights ||
11419 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11420 && (boards[currentMove][CASTLING][5] == NoRights ||
11421 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11424 CopyBoard(flipBoard, soughtBoard);
11425 CopyBoard(rotateBoard, reverseBoard);
11426 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11427 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11428 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11431 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11432 if(appData.searchMode >= 5) {
11433 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11434 MakePieceList(soughtBoard, minSought);
11435 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11437 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11438 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11441 GameInfo dummyInfo;
11444 GameContainsPosition (FILE *f, ListGame *lg)
11446 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11447 int fromX, fromY, toX, toY;
11449 static int initDone=FALSE;
11451 // weed out games based on numerical tag comparison
11452 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11453 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11454 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11455 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11457 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11460 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11461 else CopyBoard(boards[scratch], initialPosition); // default start position
11464 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11465 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11468 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11469 fseek(f, lg->offset, 0);
11472 yyboardindex = scratch;
11473 quickFlag = plyNr+1;
11478 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11484 if(plyNr) return -1; // after we have seen moves, this is for new game
11487 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11488 case ImpossibleMove:
11489 case WhiteWins: // game ends here with these four
11492 case GameUnfinished:
11496 if(appData.testLegality) return -1;
11497 case WhiteCapturesEnPassant:
11498 case BlackCapturesEnPassant:
11499 case WhitePromotion:
11500 case BlackPromotion:
11501 case WhiteNonPromotion:
11502 case BlackNonPromotion:
11504 case WhiteKingSideCastle:
11505 case WhiteQueenSideCastle:
11506 case BlackKingSideCastle:
11507 case BlackQueenSideCastle:
11508 case WhiteKingSideCastleWild:
11509 case WhiteQueenSideCastleWild:
11510 case BlackKingSideCastleWild:
11511 case BlackQueenSideCastleWild:
11512 case WhiteHSideCastleFR:
11513 case WhiteASideCastleFR:
11514 case BlackHSideCastleFR:
11515 case BlackASideCastleFR:
11516 fromX = currentMoveString[0] - AAA;
11517 fromY = currentMoveString[1] - ONE;
11518 toX = currentMoveString[2] - AAA;
11519 toY = currentMoveString[3] - ONE;
11520 promoChar = currentMoveString[4];
11524 fromX = next == WhiteDrop ?
11525 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11526 (int) CharToPiece(ToLower(currentMoveString[0]));
11528 toX = currentMoveString[2] - AAA;
11529 toY = currentMoveString[3] - ONE;
11533 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11535 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11536 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11537 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11538 if(appData.findMirror) {
11539 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11540 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11545 /* Load the nth game from open file f */
11547 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11551 int gn = gameNumber;
11552 ListGame *lg = NULL;
11553 int numPGNTags = 0;
11555 GameMode oldGameMode;
11556 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11558 if (appData.debugMode)
11559 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11561 if (gameMode == Training )
11562 SetTrainingModeOff();
11564 oldGameMode = gameMode;
11565 if (gameMode != BeginningOfGame) {
11566 Reset(FALSE, TRUE);
11570 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11571 fclose(lastLoadGameFP);
11575 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11578 fseek(f, lg->offset, 0);
11579 GameListHighlight(gameNumber);
11580 pos = lg->position;
11584 DisplayError(_("Game number out of range"), 0);
11589 if (fseek(f, 0, 0) == -1) {
11590 if (f == lastLoadGameFP ?
11591 gameNumber == lastLoadGameNumber + 1 :
11595 DisplayError(_("Can't seek on game file"), 0);
11600 lastLoadGameFP = f;
11601 lastLoadGameNumber = gameNumber;
11602 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11603 lastLoadGameUseList = useList;
11607 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11608 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11609 lg->gameInfo.black);
11611 } else if (*title != NULLCHAR) {
11612 if (gameNumber > 1) {
11613 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11616 DisplayTitle(title);
11620 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11621 gameMode = PlayFromGameFile;
11625 currentMove = forwardMostMove = backwardMostMove = 0;
11626 CopyBoard(boards[0], initialPosition);
11630 * Skip the first gn-1 games in the file.
11631 * Also skip over anything that precedes an identifiable
11632 * start of game marker, to avoid being confused by
11633 * garbage at the start of the file. Currently
11634 * recognized start of game markers are the move number "1",
11635 * the pattern "gnuchess .* game", the pattern
11636 * "^[#;%] [^ ]* game file", and a PGN tag block.
11637 * A game that starts with one of the latter two patterns
11638 * will also have a move number 1, possibly
11639 * following a position diagram.
11640 * 5-4-02: Let's try being more lenient and allowing a game to
11641 * start with an unnumbered move. Does that break anything?
11643 cm = lastLoadGameStart = EndOfFile;
11645 yyboardindex = forwardMostMove;
11646 cm = (ChessMove) Myylex();
11649 if (cmailMsgLoaded) {
11650 nCmailGames = CMAIL_MAX_GAMES - gn;
11653 DisplayError(_("Game not found in file"), 0);
11660 lastLoadGameStart = cm;
11663 case MoveNumberOne:
11664 switch (lastLoadGameStart) {
11669 case MoveNumberOne:
11671 gn--; /* count this game */
11672 lastLoadGameStart = cm;
11681 switch (lastLoadGameStart) {
11684 case MoveNumberOne:
11686 gn--; /* count this game */
11687 lastLoadGameStart = cm;
11690 lastLoadGameStart = cm; /* game counted already */
11698 yyboardindex = forwardMostMove;
11699 cm = (ChessMove) Myylex();
11700 } while (cm == PGNTag || cm == Comment);
11707 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11708 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11709 != CMAIL_OLD_RESULT) {
11711 cmailResult[ CMAIL_MAX_GAMES
11712 - gn - 1] = CMAIL_OLD_RESULT;
11718 /* Only a NormalMove can be at the start of a game
11719 * without a position diagram. */
11720 if (lastLoadGameStart == EndOfFile ) {
11722 lastLoadGameStart = MoveNumberOne;
11731 if (appData.debugMode)
11732 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11734 if (cm == XBoardGame) {
11735 /* Skip any header junk before position diagram and/or move 1 */
11737 yyboardindex = forwardMostMove;
11738 cm = (ChessMove) Myylex();
11740 if (cm == EndOfFile ||
11741 cm == GNUChessGame || cm == XBoardGame) {
11742 /* Empty game; pretend end-of-file and handle later */
11747 if (cm == MoveNumberOne || cm == PositionDiagram ||
11748 cm == PGNTag || cm == Comment)
11751 } else if (cm == GNUChessGame) {
11752 if (gameInfo.event != NULL) {
11753 free(gameInfo.event);
11755 gameInfo.event = StrSave(yy_text);
11758 startedFromSetupPosition = FALSE;
11759 while (cm == PGNTag) {
11760 if (appData.debugMode)
11761 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11762 err = ParsePGNTag(yy_text, &gameInfo);
11763 if (!err) numPGNTags++;
11765 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11766 if(gameInfo.variant != oldVariant) {
11767 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11768 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11769 InitPosition(TRUE);
11770 oldVariant = gameInfo.variant;
11771 if (appData.debugMode)
11772 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11776 if (gameInfo.fen != NULL) {
11777 Board initial_position;
11778 startedFromSetupPosition = TRUE;
11779 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11781 DisplayError(_("Bad FEN position in file"), 0);
11784 CopyBoard(boards[0], initial_position);
11785 if (blackPlaysFirst) {
11786 currentMove = forwardMostMove = backwardMostMove = 1;
11787 CopyBoard(boards[1], initial_position);
11788 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11789 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11790 timeRemaining[0][1] = whiteTimeRemaining;
11791 timeRemaining[1][1] = blackTimeRemaining;
11792 if (commentList[0] != NULL) {
11793 commentList[1] = commentList[0];
11794 commentList[0] = NULL;
11797 currentMove = forwardMostMove = backwardMostMove = 0;
11799 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11801 initialRulePlies = FENrulePlies;
11802 for( i=0; i< nrCastlingRights; i++ )
11803 initialRights[i] = initial_position[CASTLING][i];
11805 yyboardindex = forwardMostMove;
11806 free(gameInfo.fen);
11807 gameInfo.fen = NULL;
11810 yyboardindex = forwardMostMove;
11811 cm = (ChessMove) Myylex();
11813 /* Handle comments interspersed among the tags */
11814 while (cm == Comment) {
11816 if (appData.debugMode)
11817 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11819 AppendComment(currentMove, p, FALSE);
11820 yyboardindex = forwardMostMove;
11821 cm = (ChessMove) Myylex();
11825 /* don't rely on existence of Event tag since if game was
11826 * pasted from clipboard the Event tag may not exist
11828 if (numPGNTags > 0){
11830 if (gameInfo.variant == VariantNormal) {
11831 VariantClass v = StringToVariant(gameInfo.event);
11832 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11833 if(v < VariantShogi) gameInfo.variant = v;
11836 if( appData.autoDisplayTags ) {
11837 tags = PGNTags(&gameInfo);
11838 TagsPopUp(tags, CmailMsg());
11843 /* Make something up, but don't display it now */
11848 if (cm == PositionDiagram) {
11851 Board initial_position;
11853 if (appData.debugMode)
11854 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11856 if (!startedFromSetupPosition) {
11858 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11859 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11870 initial_position[i][j++] = CharToPiece(*p);
11873 while (*p == ' ' || *p == '\t' ||
11874 *p == '\n' || *p == '\r') p++;
11876 if (strncmp(p, "black", strlen("black"))==0)
11877 blackPlaysFirst = TRUE;
11879 blackPlaysFirst = FALSE;
11880 startedFromSetupPosition = TRUE;
11882 CopyBoard(boards[0], initial_position);
11883 if (blackPlaysFirst) {
11884 currentMove = forwardMostMove = backwardMostMove = 1;
11885 CopyBoard(boards[1], initial_position);
11886 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11887 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11888 timeRemaining[0][1] = whiteTimeRemaining;
11889 timeRemaining[1][1] = blackTimeRemaining;
11890 if (commentList[0] != NULL) {
11891 commentList[1] = commentList[0];
11892 commentList[0] = NULL;
11895 currentMove = forwardMostMove = backwardMostMove = 0;
11898 yyboardindex = forwardMostMove;
11899 cm = (ChessMove) Myylex();
11902 if (first.pr == NoProc) {
11903 StartChessProgram(&first);
11905 InitChessProgram(&first, FALSE);
11906 SendToProgram("force\n", &first);
11907 if (startedFromSetupPosition) {
11908 SendBoard(&first, forwardMostMove);
11909 if (appData.debugMode) {
11910 fprintf(debugFP, "Load Game\n");
11912 DisplayBothClocks();
11915 /* [HGM] server: flag to write setup moves in broadcast file as one */
11916 loadFlag = appData.suppressLoadMoves;
11918 while (cm == Comment) {
11920 if (appData.debugMode)
11921 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11923 AppendComment(currentMove, p, FALSE);
11924 yyboardindex = forwardMostMove;
11925 cm = (ChessMove) Myylex();
11928 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11929 cm == WhiteWins || cm == BlackWins ||
11930 cm == GameIsDrawn || cm == GameUnfinished) {
11931 DisplayMessage("", _("No moves in game"));
11932 if (cmailMsgLoaded) {
11933 if (appData.debugMode)
11934 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11938 DrawPosition(FALSE, boards[currentMove]);
11939 DisplayBothClocks();
11940 gameMode = EditGame;
11947 // [HGM] PV info: routine tests if comment empty
11948 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11949 DisplayComment(currentMove - 1, commentList[currentMove]);
11951 if (!matchMode && appData.timeDelay != 0)
11952 DrawPosition(FALSE, boards[currentMove]);
11954 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11955 programStats.ok_to_send = 1;
11958 /* if the first token after the PGN tags is a move
11959 * and not move number 1, retrieve it from the parser
11961 if (cm != MoveNumberOne)
11962 LoadGameOneMove(cm);
11964 /* load the remaining moves from the file */
11965 while (LoadGameOneMove(EndOfFile)) {
11966 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11967 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11970 /* rewind to the start of the game */
11971 currentMove = backwardMostMove;
11973 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11975 if (oldGameMode == AnalyzeFile ||
11976 oldGameMode == AnalyzeMode) {
11977 AnalyzeFileEvent();
11980 if (!matchMode && pos >= 0) {
11981 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11983 if (matchMode || appData.timeDelay == 0) {
11985 } else if (appData.timeDelay > 0) {
11986 AutoPlayGameLoop();
11989 if (appData.debugMode)
11990 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11992 loadFlag = 0; /* [HGM] true game starts */
11996 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11998 ReloadPosition (int offset)
12000 int positionNumber = lastLoadPositionNumber + offset;
12001 if (lastLoadPositionFP == NULL) {
12002 DisplayError(_("No position has been loaded yet"), 0);
12005 if (positionNumber <= 0) {
12006 DisplayError(_("Can't back up any further"), 0);
12009 return LoadPosition(lastLoadPositionFP, positionNumber,
12010 lastLoadPositionTitle);
12013 /* Load the nth position from the given file */
12015 LoadPositionFromFile (char *filename, int n, char *title)
12020 if (strcmp(filename, "-") == 0) {
12021 return LoadPosition(stdin, n, "stdin");
12023 f = fopen(filename, "rb");
12025 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12026 DisplayError(buf, errno);
12029 return LoadPosition(f, n, title);
12034 /* Load the nth position from the given open file, and close it */
12036 LoadPosition (FILE *f, int positionNumber, char *title)
12038 char *p, line[MSG_SIZ];
12039 Board initial_position;
12040 int i, j, fenMode, pn;
12042 if (gameMode == Training )
12043 SetTrainingModeOff();
12045 if (gameMode != BeginningOfGame) {
12046 Reset(FALSE, TRUE);
12048 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12049 fclose(lastLoadPositionFP);
12051 if (positionNumber == 0) positionNumber = 1;
12052 lastLoadPositionFP = f;
12053 lastLoadPositionNumber = positionNumber;
12054 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12055 if (first.pr == NoProc && !appData.noChessProgram) {
12056 StartChessProgram(&first);
12057 InitChessProgram(&first, FALSE);
12059 pn = positionNumber;
12060 if (positionNumber < 0) {
12061 /* Negative position number means to seek to that byte offset */
12062 if (fseek(f, -positionNumber, 0) == -1) {
12063 DisplayError(_("Can't seek on position file"), 0);
12068 if (fseek(f, 0, 0) == -1) {
12069 if (f == lastLoadPositionFP ?
12070 positionNumber == lastLoadPositionNumber + 1 :
12071 positionNumber == 1) {
12074 DisplayError(_("Can't seek on position file"), 0);
12079 /* See if this file is FEN or old-style xboard */
12080 if (fgets(line, MSG_SIZ, f) == NULL) {
12081 DisplayError(_("Position not found in file"), 0);
12084 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12085 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12088 if (fenMode || line[0] == '#') pn--;
12090 /* skip positions before number pn */
12091 if (fgets(line, MSG_SIZ, f) == NULL) {
12093 DisplayError(_("Position not found in file"), 0);
12096 if (fenMode || line[0] == '#') pn--;
12101 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12102 DisplayError(_("Bad FEN position in file"), 0);
12106 (void) fgets(line, MSG_SIZ, f);
12107 (void) fgets(line, MSG_SIZ, f);
12109 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12110 (void) fgets(line, MSG_SIZ, f);
12111 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12114 initial_position[i][j++] = CharToPiece(*p);
12118 blackPlaysFirst = FALSE;
12120 (void) fgets(line, MSG_SIZ, f);
12121 if (strncmp(line, "black", strlen("black"))==0)
12122 blackPlaysFirst = TRUE;
12125 startedFromSetupPosition = TRUE;
12127 CopyBoard(boards[0], initial_position);
12128 if (blackPlaysFirst) {
12129 currentMove = forwardMostMove = backwardMostMove = 1;
12130 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12131 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12132 CopyBoard(boards[1], initial_position);
12133 DisplayMessage("", _("Black to play"));
12135 currentMove = forwardMostMove = backwardMostMove = 0;
12136 DisplayMessage("", _("White to play"));
12138 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12139 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12140 SendToProgram("force\n", &first);
12141 SendBoard(&first, forwardMostMove);
12143 if (appData.debugMode) {
12145 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12146 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12147 fprintf(debugFP, "Load Position\n");
12150 if (positionNumber > 1) {
12151 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12152 DisplayTitle(line);
12154 DisplayTitle(title);
12156 gameMode = EditGame;
12159 timeRemaining[0][1] = whiteTimeRemaining;
12160 timeRemaining[1][1] = blackTimeRemaining;
12161 DrawPosition(FALSE, boards[currentMove]);
12168 CopyPlayerNameIntoFileName (char **dest, char *src)
12170 while (*src != NULLCHAR && *src != ',') {
12175 *(*dest)++ = *src++;
12181 DefaultFileName (char *ext)
12183 static char def[MSG_SIZ];
12186 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12188 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12190 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12192 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12199 /* Save the current game to the given file */
12201 SaveGameToFile (char *filename, int append)
12205 int result, i, t,tot=0;
12207 if (strcmp(filename, "-") == 0) {
12208 return SaveGame(stdout, 0, NULL);
12210 for(i=0; i<10; i++) { // upto 10 tries
12211 f = fopen(filename, append ? "a" : "w");
12212 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12213 if(f || errno != 13) break;
12214 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12218 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12219 DisplayError(buf, errno);
12222 safeStrCpy(buf, lastMsg, MSG_SIZ);
12223 DisplayMessage(_("Waiting for access to save file"), "");
12224 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12225 DisplayMessage(_("Saving game"), "");
12226 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12227 result = SaveGame(f, 0, NULL);
12228 DisplayMessage(buf, "");
12235 SavePart (char *str)
12237 static char buf[MSG_SIZ];
12240 p = strchr(str, ' ');
12241 if (p == NULL) return str;
12242 strncpy(buf, str, p - str);
12243 buf[p - str] = NULLCHAR;
12247 #define PGN_MAX_LINE 75
12249 #define PGN_SIDE_WHITE 0
12250 #define PGN_SIDE_BLACK 1
12253 FindFirstMoveOutOfBook (int side)
12257 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12258 int index = backwardMostMove;
12259 int has_book_hit = 0;
12261 if( (index % 2) != side ) {
12265 while( index < forwardMostMove ) {
12266 /* Check to see if engine is in book */
12267 int depth = pvInfoList[index].depth;
12268 int score = pvInfoList[index].score;
12274 else if( score == 0 && depth == 63 ) {
12275 in_book = 1; /* Zappa */
12277 else if( score == 2 && depth == 99 ) {
12278 in_book = 1; /* Abrok */
12281 has_book_hit += in_book;
12297 GetOutOfBookInfo (char * buf)
12301 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12303 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12304 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12308 if( oob[0] >= 0 || oob[1] >= 0 ) {
12309 for( i=0; i<2; i++ ) {
12313 if( i > 0 && oob[0] >= 0 ) {
12314 strcat( buf, " " );
12317 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12318 sprintf( buf+strlen(buf), "%s%.2f",
12319 pvInfoList[idx].score >= 0 ? "+" : "",
12320 pvInfoList[idx].score / 100.0 );
12326 /* Save game in PGN style and close the file */
12328 SaveGamePGN (FILE *f)
12330 int i, offset, linelen, newblock;
12334 int movelen, numlen, blank;
12335 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12337 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12339 tm = time((time_t *) NULL);
12341 PrintPGNTags(f, &gameInfo);
12343 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12345 if (backwardMostMove > 0 || startedFromSetupPosition) {
12346 char *fen = PositionToFEN(backwardMostMove, NULL);
12347 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12348 fprintf(f, "\n{--------------\n");
12349 PrintPosition(f, backwardMostMove);
12350 fprintf(f, "--------------}\n");
12354 /* [AS] Out of book annotation */
12355 if( appData.saveOutOfBookInfo ) {
12358 GetOutOfBookInfo( buf );
12360 if( buf[0] != '\0' ) {
12361 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12368 i = backwardMostMove;
12372 while (i < forwardMostMove) {
12373 /* Print comments preceding this move */
12374 if (commentList[i] != NULL) {
12375 if (linelen > 0) fprintf(f, "\n");
12376 fprintf(f, "%s", commentList[i]);
12381 /* Format move number */
12383 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12386 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12388 numtext[0] = NULLCHAR;
12390 numlen = strlen(numtext);
12393 /* Print move number */
12394 blank = linelen > 0 && numlen > 0;
12395 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12404 fprintf(f, "%s", numtext);
12408 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12409 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12412 blank = linelen > 0 && movelen > 0;
12413 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12422 fprintf(f, "%s", move_buffer);
12423 linelen += movelen;
12425 /* [AS] Add PV info if present */
12426 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12427 /* [HGM] add time */
12428 char buf[MSG_SIZ]; int seconds;
12430 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12436 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12439 seconds = (seconds + 4)/10; // round to full seconds
12441 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12443 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12446 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12447 pvInfoList[i].score >= 0 ? "+" : "",
12448 pvInfoList[i].score / 100.0,
12449 pvInfoList[i].depth,
12452 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12454 /* Print score/depth */
12455 blank = linelen > 0 && movelen > 0;
12456 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12465 fprintf(f, "%s", move_buffer);
12466 linelen += movelen;
12472 /* Start a new line */
12473 if (linelen > 0) fprintf(f, "\n");
12475 /* Print comments after last move */
12476 if (commentList[i] != NULL) {
12477 fprintf(f, "%s\n", commentList[i]);
12481 if (gameInfo.resultDetails != NULL &&
12482 gameInfo.resultDetails[0] != NULLCHAR) {
12483 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12484 PGNResult(gameInfo.result));
12486 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12490 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12494 /* Save game in old style and close the file */
12496 SaveGameOldStyle (FILE *f)
12501 tm = time((time_t *) NULL);
12503 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12506 if (backwardMostMove > 0 || startedFromSetupPosition) {
12507 fprintf(f, "\n[--------------\n");
12508 PrintPosition(f, backwardMostMove);
12509 fprintf(f, "--------------]\n");
12514 i = backwardMostMove;
12515 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12517 while (i < forwardMostMove) {
12518 if (commentList[i] != NULL) {
12519 fprintf(f, "[%s]\n", commentList[i]);
12522 if ((i % 2) == 1) {
12523 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12526 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12528 if (commentList[i] != NULL) {
12532 if (i >= forwardMostMove) {
12536 fprintf(f, "%s\n", parseList[i]);
12541 if (commentList[i] != NULL) {
12542 fprintf(f, "[%s]\n", commentList[i]);
12545 /* This isn't really the old style, but it's close enough */
12546 if (gameInfo.resultDetails != NULL &&
12547 gameInfo.resultDetails[0] != NULLCHAR) {
12548 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12549 gameInfo.resultDetails);
12551 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12558 /* Save the current game to open file f and close the file */
12560 SaveGame (FILE *f, int dummy, char *dummy2)
12562 if (gameMode == EditPosition) EditPositionDone(TRUE);
12563 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12564 if (appData.oldSaveStyle)
12565 return SaveGameOldStyle(f);
12567 return SaveGamePGN(f);
12570 /* Save the current position to the given file */
12572 SavePositionToFile (char *filename)
12577 if (strcmp(filename, "-") == 0) {
12578 return SavePosition(stdout, 0, NULL);
12580 f = fopen(filename, "a");
12582 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12583 DisplayError(buf, errno);
12586 safeStrCpy(buf, lastMsg, MSG_SIZ);
12587 DisplayMessage(_("Waiting for access to save file"), "");
12588 flock(fileno(f), LOCK_EX); // [HGM] lock
12589 DisplayMessage(_("Saving position"), "");
12590 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12591 SavePosition(f, 0, NULL);
12592 DisplayMessage(buf, "");
12598 /* Save the current position to the given open file and close the file */
12600 SavePosition (FILE *f, int dummy, char *dummy2)
12605 if (gameMode == EditPosition) EditPositionDone(TRUE);
12606 if (appData.oldSaveStyle) {
12607 tm = time((time_t *) NULL);
12609 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12611 fprintf(f, "[--------------\n");
12612 PrintPosition(f, currentMove);
12613 fprintf(f, "--------------]\n");
12615 fen = PositionToFEN(currentMove, NULL);
12616 fprintf(f, "%s\n", fen);
12624 ReloadCmailMsgEvent (int unregister)
12627 static char *inFilename = NULL;
12628 static char *outFilename;
12630 struct stat inbuf, outbuf;
12633 /* Any registered moves are unregistered if unregister is set, */
12634 /* i.e. invoked by the signal handler */
12636 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12637 cmailMoveRegistered[i] = FALSE;
12638 if (cmailCommentList[i] != NULL) {
12639 free(cmailCommentList[i]);
12640 cmailCommentList[i] = NULL;
12643 nCmailMovesRegistered = 0;
12646 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12647 cmailResult[i] = CMAIL_NOT_RESULT;
12651 if (inFilename == NULL) {
12652 /* Because the filenames are static they only get malloced once */
12653 /* and they never get freed */
12654 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12655 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12657 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12658 sprintf(outFilename, "%s.out", appData.cmailGameName);
12661 status = stat(outFilename, &outbuf);
12663 cmailMailedMove = FALSE;
12665 status = stat(inFilename, &inbuf);
12666 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12669 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12670 counts the games, notes how each one terminated, etc.
12672 It would be nice to remove this kludge and instead gather all
12673 the information while building the game list. (And to keep it
12674 in the game list nodes instead of having a bunch of fixed-size
12675 parallel arrays.) Note this will require getting each game's
12676 termination from the PGN tags, as the game list builder does
12677 not process the game moves. --mann
12679 cmailMsgLoaded = TRUE;
12680 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12682 /* Load first game in the file or popup game menu */
12683 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12685 #endif /* !WIN32 */
12693 char string[MSG_SIZ];
12695 if ( cmailMailedMove
12696 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12697 return TRUE; /* Allow free viewing */
12700 /* Unregister move to ensure that we don't leave RegisterMove */
12701 /* with the move registered when the conditions for registering no */
12703 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12704 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12705 nCmailMovesRegistered --;
12707 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12709 free(cmailCommentList[lastLoadGameNumber - 1]);
12710 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12714 if (cmailOldMove == -1) {
12715 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12719 if (currentMove > cmailOldMove + 1) {
12720 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12724 if (currentMove < cmailOldMove) {
12725 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12729 if (forwardMostMove > currentMove) {
12730 /* Silently truncate extra moves */
12734 if ( (currentMove == cmailOldMove + 1)
12735 || ( (currentMove == cmailOldMove)
12736 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12737 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12738 if (gameInfo.result != GameUnfinished) {
12739 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12742 if (commentList[currentMove] != NULL) {
12743 cmailCommentList[lastLoadGameNumber - 1]
12744 = StrSave(commentList[currentMove]);
12746 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12748 if (appData.debugMode)
12749 fprintf(debugFP, "Saving %s for game %d\n",
12750 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12752 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12754 f = fopen(string, "w");
12755 if (appData.oldSaveStyle) {
12756 SaveGameOldStyle(f); /* also closes the file */
12758 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12759 f = fopen(string, "w");
12760 SavePosition(f, 0, NULL); /* also closes the file */
12762 fprintf(f, "{--------------\n");
12763 PrintPosition(f, currentMove);
12764 fprintf(f, "--------------}\n\n");
12766 SaveGame(f, 0, NULL); /* also closes the file*/
12769 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12770 nCmailMovesRegistered ++;
12771 } else if (nCmailGames == 1) {
12772 DisplayError(_("You have not made a move yet"), 0);
12783 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12784 FILE *commandOutput;
12785 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12786 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12792 if (! cmailMsgLoaded) {
12793 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12797 if (nCmailGames == nCmailResults) {
12798 DisplayError(_("No unfinished games"), 0);
12802 #if CMAIL_PROHIBIT_REMAIL
12803 if (cmailMailedMove) {
12804 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);
12805 DisplayError(msg, 0);
12810 if (! (cmailMailedMove || RegisterMove())) return;
12812 if ( cmailMailedMove
12813 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12814 snprintf(string, MSG_SIZ, partCommandString,
12815 appData.debugMode ? " -v" : "", appData.cmailGameName);
12816 commandOutput = popen(string, "r");
12818 if (commandOutput == NULL) {
12819 DisplayError(_("Failed to invoke cmail"), 0);
12821 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12822 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12824 if (nBuffers > 1) {
12825 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12826 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12827 nBytes = MSG_SIZ - 1;
12829 (void) memcpy(msg, buffer, nBytes);
12831 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12833 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12834 cmailMailedMove = TRUE; /* Prevent >1 moves */
12837 for (i = 0; i < nCmailGames; i ++) {
12838 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12843 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12845 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12847 appData.cmailGameName,
12849 LoadGameFromFile(buffer, 1, buffer, FALSE);
12850 cmailMsgLoaded = FALSE;
12854 DisplayInformation(msg);
12855 pclose(commandOutput);
12858 if ((*cmailMsg) != '\0') {
12859 DisplayInformation(cmailMsg);
12864 #endif /* !WIN32 */
12873 int prependComma = 0;
12875 char string[MSG_SIZ]; /* Space for game-list */
12878 if (!cmailMsgLoaded) return "";
12880 if (cmailMailedMove) {
12881 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12883 /* Create a list of games left */
12884 snprintf(string, MSG_SIZ, "[");
12885 for (i = 0; i < nCmailGames; i ++) {
12886 if (! ( cmailMoveRegistered[i]
12887 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12888 if (prependComma) {
12889 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12891 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12895 strcat(string, number);
12898 strcat(string, "]");
12900 if (nCmailMovesRegistered + nCmailResults == 0) {
12901 switch (nCmailGames) {
12903 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12907 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12911 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12916 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12918 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12923 if (nCmailResults == nCmailGames) {
12924 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12926 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12931 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12943 if (gameMode == Training)
12944 SetTrainingModeOff();
12947 cmailMsgLoaded = FALSE;
12948 if (appData.icsActive) {
12949 SendToICS(ics_prefix);
12950 SendToICS("refresh\n");
12955 ExitEvent (int status)
12959 /* Give up on clean exit */
12963 /* Keep trying for clean exit */
12967 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12969 if (telnetISR != NULL) {
12970 RemoveInputSource(telnetISR);
12972 if (icsPR != NoProc) {
12973 DestroyChildProcess(icsPR, TRUE);
12976 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12977 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12979 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12980 /* make sure this other one finishes before killing it! */
12981 if(endingGame) { int count = 0;
12982 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12983 while(endingGame && count++ < 10) DoSleep(1);
12984 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12987 /* Kill off chess programs */
12988 if (first.pr != NoProc) {
12991 DoSleep( appData.delayBeforeQuit );
12992 SendToProgram("quit\n", &first);
12993 DoSleep( appData.delayAfterQuit );
12994 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12996 if (second.pr != NoProc) {
12997 DoSleep( appData.delayBeforeQuit );
12998 SendToProgram("quit\n", &second);
12999 DoSleep( appData.delayAfterQuit );
13000 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13002 if (first.isr != NULL) {
13003 RemoveInputSource(first.isr);
13005 if (second.isr != NULL) {
13006 RemoveInputSource(second.isr);
13009 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13010 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13012 ShutDownFrontEnd();
13019 if (appData.debugMode)
13020 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13024 if (gameMode == MachinePlaysWhite ||
13025 gameMode == MachinePlaysBlack) {
13028 DisplayBothClocks();
13030 if (gameMode == PlayFromGameFile) {
13031 if (appData.timeDelay >= 0)
13032 AutoPlayGameLoop();
13033 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13034 Reset(FALSE, TRUE);
13035 SendToICS(ics_prefix);
13036 SendToICS("refresh\n");
13037 } else if (currentMove < forwardMostMove) {
13038 ForwardInner(forwardMostMove);
13040 pauseExamInvalid = FALSE;
13042 switch (gameMode) {
13046 pauseExamForwardMostMove = forwardMostMove;
13047 pauseExamInvalid = FALSE;
13050 case IcsPlayingWhite:
13051 case IcsPlayingBlack:
13055 case PlayFromGameFile:
13056 (void) StopLoadGameTimer();
13060 case BeginningOfGame:
13061 if (appData.icsActive) return;
13062 /* else fall through */
13063 case MachinePlaysWhite:
13064 case MachinePlaysBlack:
13065 case TwoMachinesPlay:
13066 if (forwardMostMove == 0)
13067 return; /* don't pause if no one has moved */
13068 if ((gameMode == MachinePlaysWhite &&
13069 !WhiteOnMove(forwardMostMove)) ||
13070 (gameMode == MachinePlaysBlack &&
13071 WhiteOnMove(forwardMostMove))) {
13082 EditCommentEvent ()
13084 char title[MSG_SIZ];
13086 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13087 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13089 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13090 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13091 parseList[currentMove - 1]);
13094 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13101 char *tags = PGNTags(&gameInfo);
13103 EditTagsPopUp(tags, NULL);
13108 AnalyzeModeEvent ()
13110 if (appData.noChessProgram || gameMode == AnalyzeMode)
13113 if (gameMode != AnalyzeFile) {
13114 if (!appData.icsEngineAnalyze) {
13116 if (gameMode != EditGame) return;
13118 ResurrectChessProgram();
13119 SendToProgram("analyze\n", &first);
13120 first.analyzing = TRUE;
13121 /*first.maybeThinking = TRUE;*/
13122 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13123 EngineOutputPopUp();
13125 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13130 StartAnalysisClock();
13131 GetTimeMark(&lastNodeCountTime);
13136 AnalyzeFileEvent ()
13138 if (appData.noChessProgram || gameMode == AnalyzeFile)
13141 if (gameMode != AnalyzeMode) {
13143 if (gameMode != EditGame) return;
13144 ResurrectChessProgram();
13145 SendToProgram("analyze\n", &first);
13146 first.analyzing = TRUE;
13147 /*first.maybeThinking = TRUE;*/
13148 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13149 EngineOutputPopUp();
13151 gameMode = AnalyzeFile;
13156 StartAnalysisClock();
13157 GetTimeMark(&lastNodeCountTime);
13159 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13163 MachineWhiteEvent ()
13166 char *bookHit = NULL;
13168 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13172 if (gameMode == PlayFromGameFile ||
13173 gameMode == TwoMachinesPlay ||
13174 gameMode == Training ||
13175 gameMode == AnalyzeMode ||
13176 gameMode == EndOfGame)
13179 if (gameMode == EditPosition)
13180 EditPositionDone(TRUE);
13182 if (!WhiteOnMove(currentMove)) {
13183 DisplayError(_("It is not White's turn"), 0);
13187 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13190 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13191 gameMode == AnalyzeFile)
13194 ResurrectChessProgram(); /* in case it isn't running */
13195 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13196 gameMode = MachinePlaysWhite;
13199 gameMode = MachinePlaysWhite;
13203 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13205 if (first.sendName) {
13206 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13207 SendToProgram(buf, &first);
13209 if (first.sendTime) {
13210 if (first.useColors) {
13211 SendToProgram("black\n", &first); /*gnu kludge*/
13213 SendTimeRemaining(&first, TRUE);
13215 if (first.useColors) {
13216 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13218 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13219 SetMachineThinkingEnables();
13220 first.maybeThinking = TRUE;
13224 if (appData.autoFlipView && !flipView) {
13225 flipView = !flipView;
13226 DrawPosition(FALSE, NULL);
13227 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13230 if(bookHit) { // [HGM] book: simulate book reply
13231 static char bookMove[MSG_SIZ]; // a bit generous?
13233 programStats.nodes = programStats.depth = programStats.time =
13234 programStats.score = programStats.got_only_move = 0;
13235 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13237 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13238 strcat(bookMove, bookHit);
13239 HandleMachineMove(bookMove, &first);
13244 MachineBlackEvent ()
13247 char *bookHit = NULL;
13249 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13253 if (gameMode == PlayFromGameFile ||
13254 gameMode == TwoMachinesPlay ||
13255 gameMode == Training ||
13256 gameMode == AnalyzeMode ||
13257 gameMode == EndOfGame)
13260 if (gameMode == EditPosition)
13261 EditPositionDone(TRUE);
13263 if (WhiteOnMove(currentMove)) {
13264 DisplayError(_("It is not Black's turn"), 0);
13268 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13271 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13272 gameMode == AnalyzeFile)
13275 ResurrectChessProgram(); /* in case it isn't running */
13276 gameMode = MachinePlaysBlack;
13280 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13282 if (first.sendName) {
13283 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13284 SendToProgram(buf, &first);
13286 if (first.sendTime) {
13287 if (first.useColors) {
13288 SendToProgram("white\n", &first); /*gnu kludge*/
13290 SendTimeRemaining(&first, FALSE);
13292 if (first.useColors) {
13293 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13295 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13296 SetMachineThinkingEnables();
13297 first.maybeThinking = TRUE;
13300 if (appData.autoFlipView && flipView) {
13301 flipView = !flipView;
13302 DrawPosition(FALSE, NULL);
13303 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13305 if(bookHit) { // [HGM] book: simulate book reply
13306 static char bookMove[MSG_SIZ]; // a bit generous?
13308 programStats.nodes = programStats.depth = programStats.time =
13309 programStats.score = programStats.got_only_move = 0;
13310 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13312 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13313 strcat(bookMove, bookHit);
13314 HandleMachineMove(bookMove, &first);
13320 DisplayTwoMachinesTitle ()
13323 if (appData.matchGames > 0) {
13324 if(appData.tourneyFile[0]) {
13325 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13326 gameInfo.white, _("vs."), gameInfo.black,
13327 nextGame+1, appData.matchGames+1,
13328 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13330 if (first.twoMachinesColor[0] == 'w') {
13331 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13332 gameInfo.white, _("vs."), gameInfo.black,
13333 first.matchWins, second.matchWins,
13334 matchGame - 1 - (first.matchWins + second.matchWins));
13336 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13337 gameInfo.white, _("vs."), gameInfo.black,
13338 second.matchWins, first.matchWins,
13339 matchGame - 1 - (first.matchWins + second.matchWins));
13342 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13348 SettingsMenuIfReady ()
13350 if (second.lastPing != second.lastPong) {
13351 DisplayMessage("", _("Waiting for second chess program"));
13352 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13356 DisplayMessage("", "");
13357 SettingsPopUp(&second);
13361 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13364 if (cps->pr == NoProc) {
13365 StartChessProgram(cps);
13366 if (cps->protocolVersion == 1) {
13369 /* kludge: allow timeout for initial "feature" command */
13371 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13372 DisplayMessage("", buf);
13373 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13381 TwoMachinesEvent P((void))
13385 ChessProgramState *onmove;
13386 char *bookHit = NULL;
13387 static int stalling = 0;
13391 if (appData.noChessProgram) return;
13393 switch (gameMode) {
13394 case TwoMachinesPlay:
13396 case MachinePlaysWhite:
13397 case MachinePlaysBlack:
13398 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13399 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13403 case BeginningOfGame:
13404 case PlayFromGameFile:
13407 if (gameMode != EditGame) return;
13410 EditPositionDone(TRUE);
13421 // forwardMostMove = currentMove;
13422 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13424 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13426 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13427 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13428 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13432 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13433 SendToProgram("force\n", &second);
13435 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13438 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13439 if(appData.matchPause>10000 || appData.matchPause<10)
13440 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13441 wait = SubtractTimeMarks(&now, &pauseStart);
13442 if(wait < appData.matchPause) {
13443 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13446 // we are now committed to starting the game
13448 DisplayMessage("", "");
13449 if (startedFromSetupPosition) {
13450 SendBoard(&second, backwardMostMove);
13451 if (appData.debugMode) {
13452 fprintf(debugFP, "Two Machines\n");
13455 for (i = backwardMostMove; i < forwardMostMove; i++) {
13456 SendMoveToProgram(i, &second);
13459 gameMode = TwoMachinesPlay;
13461 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13463 DisplayTwoMachinesTitle();
13465 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13470 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13471 SendToProgram(first.computerString, &first);
13472 if (first.sendName) {
13473 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13474 SendToProgram(buf, &first);
13476 SendToProgram(second.computerString, &second);
13477 if (second.sendName) {
13478 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13479 SendToProgram(buf, &second);
13483 if (!first.sendTime || !second.sendTime) {
13484 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13485 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13487 if (onmove->sendTime) {
13488 if (onmove->useColors) {
13489 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13491 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13493 if (onmove->useColors) {
13494 SendToProgram(onmove->twoMachinesColor, onmove);
13496 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13497 // SendToProgram("go\n", onmove);
13498 onmove->maybeThinking = TRUE;
13499 SetMachineThinkingEnables();
13503 if(bookHit) { // [HGM] book: simulate book reply
13504 static char bookMove[MSG_SIZ]; // a bit generous?
13506 programStats.nodes = programStats.depth = programStats.time =
13507 programStats.score = programStats.got_only_move = 0;
13508 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13510 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13511 strcat(bookMove, bookHit);
13512 savedMessage = bookMove; // args for deferred call
13513 savedState = onmove;
13514 ScheduleDelayedEvent(DeferredBookMove, 1);
13521 if (gameMode == Training) {
13522 SetTrainingModeOff();
13523 gameMode = PlayFromGameFile;
13524 DisplayMessage("", _("Training mode off"));
13526 gameMode = Training;
13527 animateTraining = appData.animate;
13529 /* make sure we are not already at the end of the game */
13530 if (currentMove < forwardMostMove) {
13531 SetTrainingModeOn();
13532 DisplayMessage("", _("Training mode on"));
13534 gameMode = PlayFromGameFile;
13535 DisplayError(_("Already at end of game"), 0);
13544 if (!appData.icsActive) return;
13545 switch (gameMode) {
13546 case IcsPlayingWhite:
13547 case IcsPlayingBlack:
13550 case BeginningOfGame:
13558 EditPositionDone(TRUE);
13571 gameMode = IcsIdle;
13581 switch (gameMode) {
13583 SetTrainingModeOff();
13585 case MachinePlaysWhite:
13586 case MachinePlaysBlack:
13587 case BeginningOfGame:
13588 SendToProgram("force\n", &first);
13589 SetUserThinkingEnables();
13591 case PlayFromGameFile:
13592 (void) StopLoadGameTimer();
13593 if (gameFileFP != NULL) {
13598 EditPositionDone(TRUE);
13603 SendToProgram("force\n", &first);
13605 case TwoMachinesPlay:
13606 GameEnds(EndOfFile, NULL, GE_PLAYER);
13607 ResurrectChessProgram();
13608 SetUserThinkingEnables();
13611 ResurrectChessProgram();
13613 case IcsPlayingBlack:
13614 case IcsPlayingWhite:
13615 DisplayError(_("Warning: You are still playing a game"), 0);
13618 DisplayError(_("Warning: You are still observing a game"), 0);
13621 DisplayError(_("Warning: You are still examining a game"), 0);
13632 first.offeredDraw = second.offeredDraw = 0;
13634 if (gameMode == PlayFromGameFile) {
13635 whiteTimeRemaining = timeRemaining[0][currentMove];
13636 blackTimeRemaining = timeRemaining[1][currentMove];
13640 if (gameMode == MachinePlaysWhite ||
13641 gameMode == MachinePlaysBlack ||
13642 gameMode == TwoMachinesPlay ||
13643 gameMode == EndOfGame) {
13644 i = forwardMostMove;
13645 while (i > currentMove) {
13646 SendToProgram("undo\n", &first);
13649 if(!adjustedClock) {
13650 whiteTimeRemaining = timeRemaining[0][currentMove];
13651 blackTimeRemaining = timeRemaining[1][currentMove];
13652 DisplayBothClocks();
13654 if (whiteFlag || blackFlag) {
13655 whiteFlag = blackFlag = 0;
13660 gameMode = EditGame;
13667 EditPositionEvent ()
13669 if (gameMode == EditPosition) {
13675 if (gameMode != EditGame) return;
13677 gameMode = EditPosition;
13680 if (currentMove > 0)
13681 CopyBoard(boards[0], boards[currentMove]);
13683 blackPlaysFirst = !WhiteOnMove(currentMove);
13685 currentMove = forwardMostMove = backwardMostMove = 0;
13686 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13693 /* [DM] icsEngineAnalyze - possible call from other functions */
13694 if (appData.icsEngineAnalyze) {
13695 appData.icsEngineAnalyze = FALSE;
13697 DisplayMessage("",_("Close ICS engine analyze..."));
13699 if (first.analysisSupport && first.analyzing) {
13700 SendToProgram("exit\n", &first);
13701 first.analyzing = FALSE;
13703 thinkOutput[0] = NULLCHAR;
13707 EditPositionDone (Boolean fakeRights)
13709 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13711 startedFromSetupPosition = TRUE;
13712 InitChessProgram(&first, FALSE);
13713 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13714 boards[0][EP_STATUS] = EP_NONE;
13715 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13716 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13717 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13718 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13719 } else boards[0][CASTLING][2] = NoRights;
13720 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13721 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13722 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13723 } else boards[0][CASTLING][5] = NoRights;
13725 SendToProgram("force\n", &first);
13726 if (blackPlaysFirst) {
13727 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13728 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13729 currentMove = forwardMostMove = backwardMostMove = 1;
13730 CopyBoard(boards[1], boards[0]);
13732 currentMove = forwardMostMove = backwardMostMove = 0;
13734 SendBoard(&first, forwardMostMove);
13735 if (appData.debugMode) {
13736 fprintf(debugFP, "EditPosDone\n");
13739 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13740 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13741 gameMode = EditGame;
13743 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13744 ClearHighlights(); /* [AS] */
13747 /* Pause for `ms' milliseconds */
13748 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13750 TimeDelay (long ms)
13757 } while (SubtractTimeMarks(&m2, &m1) < ms);
13760 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13762 SendMultiLineToICS (char *buf)
13764 char temp[MSG_SIZ+1], *p;
13771 strncpy(temp, buf, len);
13776 if (*p == '\n' || *p == '\r')
13781 strcat(temp, "\n");
13783 SendToPlayer(temp, strlen(temp));
13787 SetWhiteToPlayEvent ()
13789 if (gameMode == EditPosition) {
13790 blackPlaysFirst = FALSE;
13791 DisplayBothClocks(); /* works because currentMove is 0 */
13792 } else if (gameMode == IcsExamining) {
13793 SendToICS(ics_prefix);
13794 SendToICS("tomove white\n");
13799 SetBlackToPlayEvent ()
13801 if (gameMode == EditPosition) {
13802 blackPlaysFirst = TRUE;
13803 currentMove = 1; /* kludge */
13804 DisplayBothClocks();
13806 } else if (gameMode == IcsExamining) {
13807 SendToICS(ics_prefix);
13808 SendToICS("tomove black\n");
13813 EditPositionMenuEvent (ChessSquare selection, int x, int y)
13816 ChessSquare piece = boards[0][y][x];
13818 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13820 switch (selection) {
13822 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13823 SendToICS(ics_prefix);
13824 SendToICS("bsetup clear\n");
13825 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13826 SendToICS(ics_prefix);
13827 SendToICS("clearboard\n");
13829 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13830 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13831 for (y = 0; y < BOARD_HEIGHT; y++) {
13832 if (gameMode == IcsExamining) {
13833 if (boards[currentMove][y][x] != EmptySquare) {
13834 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13839 boards[0][y][x] = p;
13844 if (gameMode == EditPosition) {
13845 DrawPosition(FALSE, boards[0]);
13850 SetWhiteToPlayEvent();
13854 SetBlackToPlayEvent();
13858 if (gameMode == IcsExamining) {
13859 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13860 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13863 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13864 if(x == BOARD_LEFT-2) {
13865 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13866 boards[0][y][1] = 0;
13868 if(x == BOARD_RGHT+1) {
13869 if(y >= gameInfo.holdingsSize) break;
13870 boards[0][y][BOARD_WIDTH-2] = 0;
13873 boards[0][y][x] = EmptySquare;
13874 DrawPosition(FALSE, boards[0]);
13879 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13880 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13881 selection = (ChessSquare) (PROMOTED piece);
13882 } else if(piece == EmptySquare) selection = WhiteSilver;
13883 else selection = (ChessSquare)((int)piece - 1);
13887 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13888 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13889 selection = (ChessSquare) (DEMOTED piece);
13890 } else if(piece == EmptySquare) selection = BlackSilver;
13891 else selection = (ChessSquare)((int)piece + 1);
13896 if(gameInfo.variant == VariantShatranj ||
13897 gameInfo.variant == VariantXiangqi ||
13898 gameInfo.variant == VariantCourier ||
13899 gameInfo.variant == VariantMakruk )
13900 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13905 if(gameInfo.variant == VariantXiangqi)
13906 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13907 if(gameInfo.variant == VariantKnightmate)
13908 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13911 if (gameMode == IcsExamining) {
13912 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13913 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13914 PieceToChar(selection), AAA + x, ONE + y);
13917 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13919 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13920 n = PieceToNumber(selection - BlackPawn);
13921 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13922 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13923 boards[0][BOARD_HEIGHT-1-n][1]++;
13925 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13926 n = PieceToNumber(selection);
13927 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13928 boards[0][n][BOARD_WIDTH-1] = selection;
13929 boards[0][n][BOARD_WIDTH-2]++;
13932 boards[0][y][x] = selection;
13933 DrawPosition(TRUE, boards[0]);
13935 fromX = fromY = -1;
13943 DropMenuEvent (ChessSquare selection, int x, int y)
13945 ChessMove moveType;
13947 switch (gameMode) {
13948 case IcsPlayingWhite:
13949 case MachinePlaysBlack:
13950 if (!WhiteOnMove(currentMove)) {
13951 DisplayMoveError(_("It is Black's turn"));
13954 moveType = WhiteDrop;
13956 case IcsPlayingBlack:
13957 case MachinePlaysWhite:
13958 if (WhiteOnMove(currentMove)) {
13959 DisplayMoveError(_("It is White's turn"));
13962 moveType = BlackDrop;
13965 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13971 if (moveType == BlackDrop && selection < BlackPawn) {
13972 selection = (ChessSquare) ((int) selection
13973 + (int) BlackPawn - (int) WhitePawn);
13975 if (boards[currentMove][y][x] != EmptySquare) {
13976 DisplayMoveError(_("That square is occupied"));
13980 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13986 /* Accept a pending offer of any kind from opponent */
13988 if (appData.icsActive) {
13989 SendToICS(ics_prefix);
13990 SendToICS("accept\n");
13991 } else if (cmailMsgLoaded) {
13992 if (currentMove == cmailOldMove &&
13993 commentList[cmailOldMove] != NULL &&
13994 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13995 "Black offers a draw" : "White offers a draw")) {
13997 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13998 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14000 DisplayError(_("There is no pending offer on this move"), 0);
14001 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14004 /* Not used for offers from chess program */
14011 /* Decline a pending offer of any kind from opponent */
14013 if (appData.icsActive) {
14014 SendToICS(ics_prefix);
14015 SendToICS("decline\n");
14016 } else if (cmailMsgLoaded) {
14017 if (currentMove == cmailOldMove &&
14018 commentList[cmailOldMove] != NULL &&
14019 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14020 "Black offers a draw" : "White offers a draw")) {
14022 AppendComment(cmailOldMove, "Draw declined", TRUE);
14023 DisplayComment(cmailOldMove - 1, "Draw declined");
14026 DisplayError(_("There is no pending offer on this move"), 0);
14029 /* Not used for offers from chess program */
14036 /* Issue ICS rematch command */
14037 if (appData.icsActive) {
14038 SendToICS(ics_prefix);
14039 SendToICS("rematch\n");
14046 /* Call your opponent's flag (claim a win on time) */
14047 if (appData.icsActive) {
14048 SendToICS(ics_prefix);
14049 SendToICS("flag\n");
14051 switch (gameMode) {
14054 case MachinePlaysWhite:
14057 GameEnds(GameIsDrawn, "Both players ran out of time",
14060 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14062 DisplayError(_("Your opponent is not out of time"), 0);
14065 case MachinePlaysBlack:
14068 GameEnds(GameIsDrawn, "Both players ran out of time",
14071 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14073 DisplayError(_("Your opponent is not out of time"), 0);
14081 ClockClick (int which)
14082 { // [HGM] code moved to back-end from winboard.c
14083 if(which) { // black clock
14084 if (gameMode == EditPosition || gameMode == IcsExamining) {
14085 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14086 SetBlackToPlayEvent();
14087 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14088 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14089 } else if (shiftKey) {
14090 AdjustClock(which, -1);
14091 } else if (gameMode == IcsPlayingWhite ||
14092 gameMode == MachinePlaysBlack) {
14095 } else { // white clock
14096 if (gameMode == EditPosition || gameMode == IcsExamining) {
14097 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14098 SetWhiteToPlayEvent();
14099 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14100 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14101 } else if (shiftKey) {
14102 AdjustClock(which, -1);
14103 } else if (gameMode == IcsPlayingBlack ||
14104 gameMode == MachinePlaysWhite) {
14113 /* Offer draw or accept pending draw offer from opponent */
14115 if (appData.icsActive) {
14116 /* Note: tournament rules require draw offers to be
14117 made after you make your move but before you punch
14118 your clock. Currently ICS doesn't let you do that;
14119 instead, you immediately punch your clock after making
14120 a move, but you can offer a draw at any time. */
14122 SendToICS(ics_prefix);
14123 SendToICS("draw\n");
14124 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14125 } else if (cmailMsgLoaded) {
14126 if (currentMove == cmailOldMove &&
14127 commentList[cmailOldMove] != NULL &&
14128 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14129 "Black offers a draw" : "White offers a draw")) {
14130 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14131 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14132 } else if (currentMove == cmailOldMove + 1) {
14133 char *offer = WhiteOnMove(cmailOldMove) ?
14134 "White offers a draw" : "Black offers a draw";
14135 AppendComment(currentMove, offer, TRUE);
14136 DisplayComment(currentMove - 1, offer);
14137 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14139 DisplayError(_("You must make your move before offering a draw"), 0);
14140 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14142 } else if (first.offeredDraw) {
14143 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14145 if (first.sendDrawOffers) {
14146 SendToProgram("draw\n", &first);
14147 userOfferedDraw = TRUE;
14155 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14157 if (appData.icsActive) {
14158 SendToICS(ics_prefix);
14159 SendToICS("adjourn\n");
14161 /* Currently GNU Chess doesn't offer or accept Adjourns */
14169 /* Offer Abort or accept pending Abort offer from opponent */
14171 if (appData.icsActive) {
14172 SendToICS(ics_prefix);
14173 SendToICS("abort\n");
14175 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14182 /* Resign. You can do this even if it's not your turn. */
14184 if (appData.icsActive) {
14185 SendToICS(ics_prefix);
14186 SendToICS("resign\n");
14188 switch (gameMode) {
14189 case MachinePlaysWhite:
14190 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14192 case MachinePlaysBlack:
14193 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14196 if (cmailMsgLoaded) {
14198 if (WhiteOnMove(cmailOldMove)) {
14199 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14201 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14203 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14214 StopObservingEvent ()
14216 /* Stop observing current games */
14217 SendToICS(ics_prefix);
14218 SendToICS("unobserve\n");
14222 StopExaminingEvent ()
14224 /* Stop observing current game */
14225 SendToICS(ics_prefix);
14226 SendToICS("unexamine\n");
14230 ForwardInner (int target)
14232 int limit; int oldSeekGraphUp = seekGraphUp;
14234 if (appData.debugMode)
14235 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14236 target, currentMove, forwardMostMove);
14238 if (gameMode == EditPosition)
14241 seekGraphUp = FALSE;
14242 MarkTargetSquares(1);
14244 if (gameMode == PlayFromGameFile && !pausing)
14247 if (gameMode == IcsExamining && pausing)
14248 limit = pauseExamForwardMostMove;
14250 limit = forwardMostMove;
14252 if (target > limit) target = limit;
14254 if (target > 0 && moveList[target - 1][0]) {
14255 int fromX, fromY, toX, toY;
14256 toX = moveList[target - 1][2] - AAA;
14257 toY = moveList[target - 1][3] - ONE;
14258 if (moveList[target - 1][1] == '@') {
14259 if (appData.highlightLastMove) {
14260 SetHighlights(-1, -1, toX, toY);
14263 fromX = moveList[target - 1][0] - AAA;
14264 fromY = moveList[target - 1][1] - ONE;
14265 if (target == currentMove + 1) {
14266 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14268 if (appData.highlightLastMove) {
14269 SetHighlights(fromX, fromY, toX, toY);
14273 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14274 gameMode == Training || gameMode == PlayFromGameFile ||
14275 gameMode == AnalyzeFile) {
14276 while (currentMove < target) {
14277 SendMoveToProgram(currentMove++, &first);
14280 currentMove = target;
14283 if (gameMode == EditGame || gameMode == EndOfGame) {
14284 whiteTimeRemaining = timeRemaining[0][currentMove];
14285 blackTimeRemaining = timeRemaining[1][currentMove];
14287 DisplayBothClocks();
14288 DisplayMove(currentMove - 1);
14289 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14290 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14291 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14292 DisplayComment(currentMove - 1, commentList[currentMove]);
14300 if (gameMode == IcsExamining && !pausing) {
14301 SendToICS(ics_prefix);
14302 SendToICS("forward\n");
14304 ForwardInner(currentMove + 1);
14311 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14312 /* to optimze, we temporarily turn off analysis mode while we feed
14313 * the remaining moves to the engine. Otherwise we get analysis output
14316 if (first.analysisSupport) {
14317 SendToProgram("exit\nforce\n", &first);
14318 first.analyzing = FALSE;
14322 if (gameMode == IcsExamining && !pausing) {
14323 SendToICS(ics_prefix);
14324 SendToICS("forward 999999\n");
14326 ForwardInner(forwardMostMove);
14329 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14330 /* we have fed all the moves, so reactivate analysis mode */
14331 SendToProgram("analyze\n", &first);
14332 first.analyzing = TRUE;
14333 /*first.maybeThinking = TRUE;*/
14334 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14339 BackwardInner (int target)
14341 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14343 if (appData.debugMode)
14344 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14345 target, currentMove, forwardMostMove);
14347 if (gameMode == EditPosition) return;
14348 seekGraphUp = FALSE;
14349 MarkTargetSquares(1);
14350 if (currentMove <= backwardMostMove) {
14352 DrawPosition(full_redraw, boards[currentMove]);
14355 if (gameMode == PlayFromGameFile && !pausing)
14358 if (moveList[target][0]) {
14359 int fromX, fromY, toX, toY;
14360 toX = moveList[target][2] - AAA;
14361 toY = moveList[target][3] - ONE;
14362 if (moveList[target][1] == '@') {
14363 if (appData.highlightLastMove) {
14364 SetHighlights(-1, -1, toX, toY);
14367 fromX = moveList[target][0] - AAA;
14368 fromY = moveList[target][1] - ONE;
14369 if (target == currentMove - 1) {
14370 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14372 if (appData.highlightLastMove) {
14373 SetHighlights(fromX, fromY, toX, toY);
14377 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14378 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14379 while (currentMove > target) {
14380 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14381 // null move cannot be undone. Reload program with move history before it.
14383 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14384 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14386 SendBoard(&first, i);
14387 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14390 SendToProgram("undo\n", &first);
14394 currentMove = target;
14397 if (gameMode == EditGame || gameMode == EndOfGame) {
14398 whiteTimeRemaining = timeRemaining[0][currentMove];
14399 blackTimeRemaining = timeRemaining[1][currentMove];
14401 DisplayBothClocks();
14402 DisplayMove(currentMove - 1);
14403 DrawPosition(full_redraw, boards[currentMove]);
14404 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14405 // [HGM] PV info: routine tests if comment empty
14406 DisplayComment(currentMove - 1, commentList[currentMove]);
14412 if (gameMode == IcsExamining && !pausing) {
14413 SendToICS(ics_prefix);
14414 SendToICS("backward\n");
14416 BackwardInner(currentMove - 1);
14423 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14424 /* to optimize, we temporarily turn off analysis mode while we undo
14425 * all the moves. Otherwise we get analysis output after each undo.
14427 if (first.analysisSupport) {
14428 SendToProgram("exit\nforce\n", &first);
14429 first.analyzing = FALSE;
14433 if (gameMode == IcsExamining && !pausing) {
14434 SendToICS(ics_prefix);
14435 SendToICS("backward 999999\n");
14437 BackwardInner(backwardMostMove);
14440 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14441 /* we have fed all the moves, so reactivate analysis mode */
14442 SendToProgram("analyze\n", &first);
14443 first.analyzing = TRUE;
14444 /*first.maybeThinking = TRUE;*/
14445 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14452 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14453 if (to >= forwardMostMove) to = forwardMostMove;
14454 if (to <= backwardMostMove) to = backwardMostMove;
14455 if (to < currentMove) {
14463 RevertEvent (Boolean annotate)
14465 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14468 if (gameMode != IcsExamining) {
14469 DisplayError(_("You are not examining a game"), 0);
14473 DisplayError(_("You can't revert while pausing"), 0);
14476 SendToICS(ics_prefix);
14477 SendToICS("revert\n");
14481 RetractMoveEvent ()
14483 switch (gameMode) {
14484 case MachinePlaysWhite:
14485 case MachinePlaysBlack:
14486 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14487 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14490 if (forwardMostMove < 2) return;
14491 currentMove = forwardMostMove = forwardMostMove - 2;
14492 whiteTimeRemaining = timeRemaining[0][currentMove];
14493 blackTimeRemaining = timeRemaining[1][currentMove];
14494 DisplayBothClocks();
14495 DisplayMove(currentMove - 1);
14496 ClearHighlights();/*!! could figure this out*/
14497 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14498 SendToProgram("remove\n", &first);
14499 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14502 case BeginningOfGame:
14506 case IcsPlayingWhite:
14507 case IcsPlayingBlack:
14508 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14509 SendToICS(ics_prefix);
14510 SendToICS("takeback 2\n");
14512 SendToICS(ics_prefix);
14513 SendToICS("takeback 1\n");
14522 ChessProgramState *cps;
14524 switch (gameMode) {
14525 case MachinePlaysWhite:
14526 if (!WhiteOnMove(forwardMostMove)) {
14527 DisplayError(_("It is your turn"), 0);
14532 case MachinePlaysBlack:
14533 if (WhiteOnMove(forwardMostMove)) {
14534 DisplayError(_("It is your turn"), 0);
14539 case TwoMachinesPlay:
14540 if (WhiteOnMove(forwardMostMove) ==
14541 (first.twoMachinesColor[0] == 'w')) {
14547 case BeginningOfGame:
14551 SendToProgram("?\n", cps);
14555 TruncateGameEvent ()
14558 if (gameMode != EditGame) return;
14565 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14566 if (forwardMostMove > currentMove) {
14567 if (gameInfo.resultDetails != NULL) {
14568 free(gameInfo.resultDetails);
14569 gameInfo.resultDetails = NULL;
14570 gameInfo.result = GameUnfinished;
14572 forwardMostMove = currentMove;
14573 HistorySet(parseList, backwardMostMove, forwardMostMove,
14581 if (appData.noChessProgram) return;
14582 switch (gameMode) {
14583 case MachinePlaysWhite:
14584 if (WhiteOnMove(forwardMostMove)) {
14585 DisplayError(_("Wait until your turn"), 0);
14589 case BeginningOfGame:
14590 case MachinePlaysBlack:
14591 if (!WhiteOnMove(forwardMostMove)) {
14592 DisplayError(_("Wait until your turn"), 0);
14597 DisplayError(_("No hint available"), 0);
14600 SendToProgram("hint\n", &first);
14601 hintRequested = TRUE;
14607 if (appData.noChessProgram) return;
14608 switch (gameMode) {
14609 case MachinePlaysWhite:
14610 if (WhiteOnMove(forwardMostMove)) {
14611 DisplayError(_("Wait until your turn"), 0);
14615 case BeginningOfGame:
14616 case MachinePlaysBlack:
14617 if (!WhiteOnMove(forwardMostMove)) {
14618 DisplayError(_("Wait until your turn"), 0);
14623 EditPositionDone(TRUE);
14625 case TwoMachinesPlay:
14630 SendToProgram("bk\n", &first);
14631 bookOutput[0] = NULLCHAR;
14632 bookRequested = TRUE;
14638 char *tags = PGNTags(&gameInfo);
14639 TagsPopUp(tags, CmailMsg());
14643 /* end button procedures */
14646 PrintPosition (FILE *fp, int move)
14650 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14651 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14652 char c = PieceToChar(boards[move][i][j]);
14653 fputc(c == 'x' ? '.' : c, fp);
14654 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14657 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14658 fprintf(fp, "white to play\n");
14660 fprintf(fp, "black to play\n");
14664 PrintOpponents (FILE *fp)
14666 if (gameInfo.white != NULL) {
14667 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14673 /* Find last component of program's own name, using some heuristics */
14675 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14678 int local = (strcmp(host, "localhost") == 0);
14679 while (!local && (p = strchr(prog, ';')) != NULL) {
14681 while (*p == ' ') p++;
14684 if (*prog == '"' || *prog == '\'') {
14685 q = strchr(prog + 1, *prog);
14687 q = strchr(prog, ' ');
14689 if (q == NULL) q = prog + strlen(prog);
14691 while (p >= prog && *p != '/' && *p != '\\') p--;
14693 if(p == prog && *p == '"') p++;
14695 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14696 memcpy(buf, p, q - p);
14697 buf[q - p] = NULLCHAR;
14705 TimeControlTagValue ()
14708 if (!appData.clockMode) {
14709 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14710 } else if (movesPerSession > 0) {
14711 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14712 } else if (timeIncrement == 0) {
14713 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14715 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14717 return StrSave(buf);
14723 /* This routine is used only for certain modes */
14724 VariantClass v = gameInfo.variant;
14725 ChessMove r = GameUnfinished;
14728 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14729 r = gameInfo.result;
14730 p = gameInfo.resultDetails;
14731 gameInfo.resultDetails = NULL;
14733 ClearGameInfo(&gameInfo);
14734 gameInfo.variant = v;
14736 switch (gameMode) {
14737 case MachinePlaysWhite:
14738 gameInfo.event = StrSave( appData.pgnEventHeader );
14739 gameInfo.site = StrSave(HostName());
14740 gameInfo.date = PGNDate();
14741 gameInfo.round = StrSave("-");
14742 gameInfo.white = StrSave(first.tidy);
14743 gameInfo.black = StrSave(UserName());
14744 gameInfo.timeControl = TimeControlTagValue();
14747 case MachinePlaysBlack:
14748 gameInfo.event = StrSave( appData.pgnEventHeader );
14749 gameInfo.site = StrSave(HostName());
14750 gameInfo.date = PGNDate();
14751 gameInfo.round = StrSave("-");
14752 gameInfo.white = StrSave(UserName());
14753 gameInfo.black = StrSave(first.tidy);
14754 gameInfo.timeControl = TimeControlTagValue();
14757 case TwoMachinesPlay:
14758 gameInfo.event = StrSave( appData.pgnEventHeader );
14759 gameInfo.site = StrSave(HostName());
14760 gameInfo.date = PGNDate();
14763 snprintf(buf, MSG_SIZ, "%d", roundNr);
14764 gameInfo.round = StrSave(buf);
14766 gameInfo.round = StrSave("-");
14768 if (first.twoMachinesColor[0] == 'w') {
14769 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14770 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14772 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14773 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14775 gameInfo.timeControl = TimeControlTagValue();
14779 gameInfo.event = StrSave("Edited game");
14780 gameInfo.site = StrSave(HostName());
14781 gameInfo.date = PGNDate();
14782 gameInfo.round = StrSave("-");
14783 gameInfo.white = StrSave("-");
14784 gameInfo.black = StrSave("-");
14785 gameInfo.result = r;
14786 gameInfo.resultDetails = p;
14790 gameInfo.event = StrSave("Edited position");
14791 gameInfo.site = StrSave(HostName());
14792 gameInfo.date = PGNDate();
14793 gameInfo.round = StrSave("-");
14794 gameInfo.white = StrSave("-");
14795 gameInfo.black = StrSave("-");
14798 case IcsPlayingWhite:
14799 case IcsPlayingBlack:
14804 case PlayFromGameFile:
14805 gameInfo.event = StrSave("Game from non-PGN file");
14806 gameInfo.site = StrSave(HostName());
14807 gameInfo.date = PGNDate();
14808 gameInfo.round = StrSave("-");
14809 gameInfo.white = StrSave("?");
14810 gameInfo.black = StrSave("?");
14819 ReplaceComment (int index, char *text)
14825 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14826 pvInfoList[index-1].depth == len &&
14827 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14828 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14829 while (*text == '\n') text++;
14830 len = strlen(text);
14831 while (len > 0 && text[len - 1] == '\n') len--;
14833 if (commentList[index] != NULL)
14834 free(commentList[index]);
14837 commentList[index] = NULL;
14840 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14841 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14842 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14843 commentList[index] = (char *) malloc(len + 2);
14844 strncpy(commentList[index], text, len);
14845 commentList[index][len] = '\n';
14846 commentList[index][len + 1] = NULLCHAR;
14848 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14850 commentList[index] = (char *) malloc(len + 7);
14851 safeStrCpy(commentList[index], "{\n", 3);
14852 safeStrCpy(commentList[index]+2, text, len+1);
14853 commentList[index][len+2] = NULLCHAR;
14854 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14855 strcat(commentList[index], "\n}\n");
14860 CrushCRs (char *text)
14868 if (ch == '\r') continue;
14870 } while (ch != '\0');
14874 AppendComment (int index, char *text, Boolean addBraces)
14875 /* addBraces tells if we should add {} */
14880 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14881 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14884 while (*text == '\n') text++;
14885 len = strlen(text);
14886 while (len > 0 && text[len - 1] == '\n') len--;
14887 text[len] = NULLCHAR;
14889 if (len == 0) return;
14891 if (commentList[index] != NULL) {
14892 Boolean addClosingBrace = addBraces;
14893 old = commentList[index];
14894 oldlen = strlen(old);
14895 while(commentList[index][oldlen-1] == '\n')
14896 commentList[index][--oldlen] = NULLCHAR;
14897 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14898 safeStrCpy(commentList[index], old, oldlen + len + 6);
14900 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14901 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14902 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14903 while (*text == '\n') { text++; len--; }
14904 commentList[index][--oldlen] = NULLCHAR;
14906 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14907 else strcat(commentList[index], "\n");
14908 strcat(commentList[index], text);
14909 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14910 else strcat(commentList[index], "\n");
14912 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14914 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14915 else commentList[index][0] = NULLCHAR;
14916 strcat(commentList[index], text);
14917 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14918 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14923 FindStr (char * text, char * sub_text)
14925 char * result = strstr( text, sub_text );
14927 if( result != NULL ) {
14928 result += strlen( sub_text );
14934 /* [AS] Try to extract PV info from PGN comment */
14935 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14937 GetInfoFromComment (int index, char * text)
14939 char * sep = text, *p;
14941 if( text != NULL && index > 0 ) {
14944 int time = -1, sec = 0, deci;
14945 char * s_eval = FindStr( text, "[%eval " );
14946 char * s_emt = FindStr( text, "[%emt " );
14948 if( s_eval != NULL || s_emt != NULL ) {
14952 if( s_eval != NULL ) {
14953 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14957 if( delim != ']' ) {
14962 if( s_emt != NULL ) {
14967 /* We expect something like: [+|-]nnn.nn/dd */
14970 if(*text != '{') return text; // [HGM] braces: must be normal comment
14972 sep = strchr( text, '/' );
14973 if( sep == NULL || sep < (text+4) ) {
14978 if(p[1] == '(') { // comment starts with PV
14979 p = strchr(p, ')'); // locate end of PV
14980 if(p == NULL || sep < p+5) return text;
14981 // at this point we have something like "{(.*) +0.23/6 ..."
14982 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14983 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14984 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14986 time = -1; sec = -1; deci = -1;
14987 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14988 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14989 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14990 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14994 if( score_lo < 0 || score_lo >= 100 ) {
14998 if(sec >= 0) time = 600*time + 10*sec; else
14999 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15001 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15003 /* [HGM] PV time: now locate end of PV info */
15004 while( *++sep >= '0' && *sep <= '9'); // strip depth
15006 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15008 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15010 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15011 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15022 pvInfoList[index-1].depth = depth;
15023 pvInfoList[index-1].score = score;
15024 pvInfoList[index-1].time = 10*time; // centi-sec
15025 if(*sep == '}') *sep = 0; else *--sep = '{';
15026 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15032 SendToProgram (char *message, ChessProgramState *cps)
15034 int count, outCount, error;
15037 if (cps->pr == NoProc) return;
15040 if (appData.debugMode) {
15043 fprintf(debugFP, "%ld >%-6s: %s",
15044 SubtractTimeMarks(&now, &programStartTime),
15045 cps->which, message);
15047 fprintf(serverFP, "%ld >%-6s: %s",
15048 SubtractTimeMarks(&now, &programStartTime),
15049 cps->which, message), fflush(serverFP);
15052 count = strlen(message);
15053 outCount = OutputToProcess(cps->pr, message, count, &error);
15054 if (outCount < count && !exiting
15055 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15056 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15057 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15058 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15059 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15060 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15061 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15062 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15064 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15065 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15066 gameInfo.result = res;
15068 gameInfo.resultDetails = StrSave(buf);
15070 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15071 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15076 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15080 ChessProgramState *cps = (ChessProgramState *)closure;
15082 if (isr != cps->isr) return; /* Killed intentionally */
15085 RemoveInputSource(cps->isr);
15086 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15087 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15088 _(cps->which), cps->program);
15089 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15090 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15091 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15092 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15093 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15095 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15096 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15097 gameInfo.result = res;
15099 gameInfo.resultDetails = StrSave(buf);
15101 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15102 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15104 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15105 _(cps->which), cps->program);
15106 RemoveInputSource(cps->isr);
15108 /* [AS] Program is misbehaving badly... kill it */
15109 if( count == -2 ) {
15110 DestroyChildProcess( cps->pr, 9 );
15114 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15119 if ((end_str = strchr(message, '\r')) != NULL)
15120 *end_str = NULLCHAR;
15121 if ((end_str = strchr(message, '\n')) != NULL)
15122 *end_str = NULLCHAR;
15124 if (appData.debugMode) {
15125 TimeMark now; int print = 1;
15126 char *quote = ""; char c; int i;
15128 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15129 char start = message[0];
15130 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15131 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15132 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15133 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15134 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15135 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15136 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15137 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15138 sscanf(message, "hint: %c", &c)!=1 &&
15139 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15140 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15141 print = (appData.engineComments >= 2);
15143 message[0] = start; // restore original message
15147 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15148 SubtractTimeMarks(&now, &programStartTime), cps->which,
15152 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15153 SubtractTimeMarks(&now, &programStartTime), cps->which,
15155 message), fflush(serverFP);
15159 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15160 if (appData.icsEngineAnalyze) {
15161 if (strstr(message, "whisper") != NULL ||
15162 strstr(message, "kibitz") != NULL ||
15163 strstr(message, "tellics") != NULL) return;
15166 HandleMachineMove(message, cps);
15171 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15176 if( timeControl_2 > 0 ) {
15177 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15178 tc = timeControl_2;
15181 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15182 inc /= cps->timeOdds;
15183 st /= cps->timeOdds;
15185 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15188 /* Set exact time per move, normally using st command */
15189 if (cps->stKludge) {
15190 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15192 if (seconds == 0) {
15193 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15195 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15198 snprintf(buf, MSG_SIZ, "st %d\n", st);
15201 /* Set conventional or incremental time control, using level command */
15202 if (seconds == 0) {
15203 /* Note old gnuchess bug -- minutes:seconds used to not work.
15204 Fixed in later versions, but still avoid :seconds
15205 when seconds is 0. */
15206 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15208 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15209 seconds, inc/1000.);
15212 SendToProgram(buf, cps);
15214 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15215 /* Orthogonally, limit search to given depth */
15217 if (cps->sdKludge) {
15218 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15220 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15222 SendToProgram(buf, cps);
15225 if(cps->nps >= 0) { /* [HGM] nps */
15226 if(cps->supportsNPS == FALSE)
15227 cps->nps = -1; // don't use if engine explicitly says not supported!
15229 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15230 SendToProgram(buf, cps);
15235 ChessProgramState *
15237 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15239 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15240 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15246 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15248 char message[MSG_SIZ];
15251 /* Note: this routine must be called when the clocks are stopped
15252 or when they have *just* been set or switched; otherwise
15253 it will be off by the time since the current tick started.
15255 if (machineWhite) {
15256 time = whiteTimeRemaining / 10;
15257 otime = blackTimeRemaining / 10;
15259 time = blackTimeRemaining / 10;
15260 otime = whiteTimeRemaining / 10;
15262 /* [HGM] translate opponent's time by time-odds factor */
15263 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15265 if (time <= 0) time = 1;
15266 if (otime <= 0) otime = 1;
15268 snprintf(message, MSG_SIZ, "time %ld\n", time);
15269 SendToProgram(message, cps);
15271 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15272 SendToProgram(message, cps);
15276 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15279 int len = strlen(name);
15282 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15284 sscanf(*p, "%d", &val);
15286 while (**p && **p != ' ')
15288 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15289 SendToProgram(buf, cps);
15296 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15299 int len = strlen(name);
15300 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15302 sscanf(*p, "%d", loc);
15303 while (**p && **p != ' ') (*p)++;
15304 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15305 SendToProgram(buf, cps);
15312 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15315 int len = strlen(name);
15316 if (strncmp((*p), name, len) == 0
15317 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15319 sscanf(*p, "%[^\"]", loc);
15320 while (**p && **p != '\"') (*p)++;
15321 if (**p == '\"') (*p)++;
15322 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15323 SendToProgram(buf, cps);
15330 ParseOption (Option *opt, ChessProgramState *cps)
15331 // [HGM] options: process the string that defines an engine option, and determine
15332 // name, type, default value, and allowed value range
15334 char *p, *q, buf[MSG_SIZ];
15335 int n, min = (-1)<<31, max = 1<<31, def;
15337 if(p = strstr(opt->name, " -spin ")) {
15338 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15339 if(max < min) max = min; // enforce consistency
15340 if(def < min) def = min;
15341 if(def > max) def = max;
15346 } else if((p = strstr(opt->name, " -slider "))) {
15347 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15348 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15349 if(max < min) max = min; // enforce consistency
15350 if(def < min) def = min;
15351 if(def > max) def = max;
15355 opt->type = Spin; // Slider;
15356 } else if((p = strstr(opt->name, " -string "))) {
15357 opt->textValue = p+9;
15358 opt->type = TextBox;
15359 } else if((p = strstr(opt->name, " -file "))) {
15360 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15361 opt->textValue = p+7;
15362 opt->type = FileName; // FileName;
15363 } else if((p = strstr(opt->name, " -path "))) {
15364 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15365 opt->textValue = p+7;
15366 opt->type = PathName; // PathName;
15367 } else if(p = strstr(opt->name, " -check ")) {
15368 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15369 opt->value = (def != 0);
15370 opt->type = CheckBox;
15371 } else if(p = strstr(opt->name, " -combo ")) {
15372 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15373 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15374 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15375 opt->value = n = 0;
15376 while(q = StrStr(q, " /// ")) {
15377 n++; *q = 0; // count choices, and null-terminate each of them
15379 if(*q == '*') { // remember default, which is marked with * prefix
15383 cps->comboList[cps->comboCnt++] = q;
15385 cps->comboList[cps->comboCnt++] = NULL;
15387 opt->type = ComboBox;
15388 } else if(p = strstr(opt->name, " -button")) {
15389 opt->type = Button;
15390 } else if(p = strstr(opt->name, " -save")) {
15391 opt->type = SaveButton;
15392 } else return FALSE;
15393 *p = 0; // terminate option name
15394 // now look if the command-line options define a setting for this engine option.
15395 if(cps->optionSettings && cps->optionSettings[0])
15396 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15397 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15398 snprintf(buf, MSG_SIZ, "option %s", p);
15399 if(p = strstr(buf, ",")) *p = 0;
15400 if(q = strchr(buf, '=')) switch(opt->type) {
15402 for(n=0; n<opt->max; n++)
15403 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15406 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15410 opt->value = atoi(q+1);
15415 SendToProgram(buf, cps);
15421 FeatureDone (ChessProgramState *cps, int val)
15423 DelayedEventCallback cb = GetDelayedEvent();
15424 if ((cb == InitBackEnd3 && cps == &first) ||
15425 (cb == SettingsMenuIfReady && cps == &second) ||
15426 (cb == LoadEngine) ||
15427 (cb == TwoMachinesEventIfReady)) {
15428 CancelDelayedEvent();
15429 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15431 cps->initDone = val;
15434 /* Parse feature command from engine */
15436 ParseFeatures (char *args, ChessProgramState *cps)
15444 while (*p == ' ') p++;
15445 if (*p == NULLCHAR) return;
15447 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15448 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15449 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15450 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15451 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15452 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15453 if (BoolFeature(&p, "reuse", &val, cps)) {
15454 /* Engine can disable reuse, but can't enable it if user said no */
15455 if (!val) cps->reuse = FALSE;
15458 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15459 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15460 if (gameMode == TwoMachinesPlay) {
15461 DisplayTwoMachinesTitle();
15467 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15468 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15469 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15470 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15471 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15472 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15473 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15474 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15475 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15476 if (IntFeature(&p, "done", &val, cps)) {
15477 FeatureDone(cps, val);
15480 /* Added by Tord: */
15481 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15482 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15483 /* End of additions by Tord */
15485 /* [HGM] added features: */
15486 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15487 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15488 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15489 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15490 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15491 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15492 if (StringFeature(&p, "option", cps->option[cps->nrOptions].name, cps)) {
15493 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15494 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15495 SendToProgram(buf, cps);
15498 if(cps->nrOptions >= MAX_OPTIONS) {
15500 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15501 DisplayError(buf, 0);
15505 /* End of additions by HGM */
15507 /* unknown feature: complain and skip */
15509 while (*q && *q != '=') q++;
15510 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15511 SendToProgram(buf, cps);
15517 while (*p && *p != '\"') p++;
15518 if (*p == '\"') p++;
15520 while (*p && *p != ' ') p++;
15528 PeriodicUpdatesEvent (int newState)
15530 if (newState == appData.periodicUpdates)
15533 appData.periodicUpdates=newState;
15535 /* Display type changes, so update it now */
15536 // DisplayAnalysis();
15538 /* Get the ball rolling again... */
15540 AnalysisPeriodicEvent(1);
15541 StartAnalysisClock();
15546 PonderNextMoveEvent (int newState)
15548 if (newState == appData.ponderNextMove) return;
15549 if (gameMode == EditPosition) EditPositionDone(TRUE);
15551 SendToProgram("hard\n", &first);
15552 if (gameMode == TwoMachinesPlay) {
15553 SendToProgram("hard\n", &second);
15556 SendToProgram("easy\n", &first);
15557 thinkOutput[0] = NULLCHAR;
15558 if (gameMode == TwoMachinesPlay) {
15559 SendToProgram("easy\n", &second);
15562 appData.ponderNextMove = newState;
15566 NewSettingEvent (int option, int *feature, char *command, int value)
15570 if (gameMode == EditPosition) EditPositionDone(TRUE);
15571 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15572 if(feature == NULL || *feature) SendToProgram(buf, &first);
15573 if (gameMode == TwoMachinesPlay) {
15574 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15579 ShowThinkingEvent ()
15580 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15582 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15583 int newState = appData.showThinking
15584 // [HGM] thinking: other features now need thinking output as well
15585 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15587 if (oldState == newState) return;
15588 oldState = newState;
15589 if (gameMode == EditPosition) EditPositionDone(TRUE);
15591 SendToProgram("post\n", &first);
15592 if (gameMode == TwoMachinesPlay) {
15593 SendToProgram("post\n", &second);
15596 SendToProgram("nopost\n", &first);
15597 thinkOutput[0] = NULLCHAR;
15598 if (gameMode == TwoMachinesPlay) {
15599 SendToProgram("nopost\n", &second);
15602 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15606 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15608 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15609 if (pr == NoProc) return;
15610 AskQuestion(title, question, replyPrefix, pr);
15614 TypeInEvent (char firstChar)
15616 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15617 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15618 gameMode == AnalyzeMode || gameMode == EditGame ||
15619 gameMode == EditPosition || gameMode == IcsExamining ||
15620 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15621 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15622 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15623 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15624 gameMode == Training) PopUpMoveDialog(firstChar);
15628 TypeInDoneEvent (char *move)
15631 int n, fromX, fromY, toX, toY;
15633 ChessMove moveType;
15636 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15637 EditPositionPasteFEN(move);
15640 // [HGM] movenum: allow move number to be typed in any mode
15641 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15645 // undocumented kludge: allow command-line option to be typed in!
15646 // (potentially fatal, and does not implement the effect of the option.)
15647 // should only be used for options that are values on which future decisions will be made,
15648 // and definitely not on options that would be used during initialization.
15649 if(strstr(move, "!!! -") == move) {
15650 ParseArgsFromString(move+4);
15654 if (gameMode != EditGame && currentMove != forwardMostMove &&
15655 gameMode != Training) {
15656 DisplayMoveError(_("Displayed move is not current"));
15658 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15659 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15660 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15661 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15662 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15663 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15665 DisplayMoveError(_("Could not parse move"));
15671 DisplayMove (int moveNumber)
15673 char message[MSG_SIZ];
15675 char cpThinkOutput[MSG_SIZ];
15677 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15679 if (moveNumber == forwardMostMove - 1 ||
15680 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15682 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15684 if (strchr(cpThinkOutput, '\n')) {
15685 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15688 *cpThinkOutput = NULLCHAR;
15691 /* [AS] Hide thinking from human user */
15692 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15693 *cpThinkOutput = NULLCHAR;
15694 if( thinkOutput[0] != NULLCHAR ) {
15697 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15698 cpThinkOutput[i] = '.';
15700 cpThinkOutput[i] = NULLCHAR;
15701 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15705 if (moveNumber == forwardMostMove - 1 &&
15706 gameInfo.resultDetails != NULL) {
15707 if (gameInfo.resultDetails[0] == NULLCHAR) {
15708 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15710 snprintf(res, MSG_SIZ, " {%s} %s",
15711 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15717 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15718 DisplayMessage(res, cpThinkOutput);
15720 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15721 WhiteOnMove(moveNumber) ? " " : ".. ",
15722 parseList[moveNumber], res);
15723 DisplayMessage(message, cpThinkOutput);
15728 DisplayComment (int moveNumber, char *text)
15730 char title[MSG_SIZ];
15732 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15733 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15735 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15736 WhiteOnMove(moveNumber) ? " " : ".. ",
15737 parseList[moveNumber]);
15739 if (text != NULL && (appData.autoDisplayComment || commentUp))
15740 CommentPopUp(title, text);
15743 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15744 * might be busy thinking or pondering. It can be omitted if your
15745 * gnuchess is configured to stop thinking immediately on any user
15746 * input. However, that gnuchess feature depends on the FIONREAD
15747 * ioctl, which does not work properly on some flavors of Unix.
15750 Attention (ChessProgramState *cps)
15753 if (!cps->useSigint) return;
15754 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15755 switch (gameMode) {
15756 case MachinePlaysWhite:
15757 case MachinePlaysBlack:
15758 case TwoMachinesPlay:
15759 case IcsPlayingWhite:
15760 case IcsPlayingBlack:
15763 /* Skip if we know it isn't thinking */
15764 if (!cps->maybeThinking) return;
15765 if (appData.debugMode)
15766 fprintf(debugFP, "Interrupting %s\n", cps->which);
15767 InterruptChildProcess(cps->pr);
15768 cps->maybeThinking = FALSE;
15773 #endif /*ATTENTION*/
15779 if (whiteTimeRemaining <= 0) {
15782 if (appData.icsActive) {
15783 if (appData.autoCallFlag &&
15784 gameMode == IcsPlayingBlack && !blackFlag) {
15785 SendToICS(ics_prefix);
15786 SendToICS("flag\n");
15790 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15792 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15793 if (appData.autoCallFlag) {
15794 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15801 if (blackTimeRemaining <= 0) {
15804 if (appData.icsActive) {
15805 if (appData.autoCallFlag &&
15806 gameMode == IcsPlayingWhite && !whiteFlag) {
15807 SendToICS(ics_prefix);
15808 SendToICS("flag\n");
15812 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15814 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15815 if (appData.autoCallFlag) {
15816 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15827 CheckTimeControl ()
15829 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15830 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15833 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15835 if ( !WhiteOnMove(forwardMostMove) ) {
15836 /* White made time control */
15837 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15838 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15839 /* [HGM] time odds: correct new time quota for time odds! */
15840 / WhitePlayer()->timeOdds;
15841 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15843 lastBlack -= blackTimeRemaining;
15844 /* Black made time control */
15845 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15846 / WhitePlayer()->other->timeOdds;
15847 lastWhite = whiteTimeRemaining;
15852 DisplayBothClocks ()
15854 int wom = gameMode == EditPosition ?
15855 !blackPlaysFirst : WhiteOnMove(currentMove);
15856 DisplayWhiteClock(whiteTimeRemaining, wom);
15857 DisplayBlackClock(blackTimeRemaining, !wom);
15861 /* Timekeeping seems to be a portability nightmare. I think everyone
15862 has ftime(), but I'm really not sure, so I'm including some ifdefs
15863 to use other calls if you don't. Clocks will be less accurate if
15864 you have neither ftime nor gettimeofday.
15867 /* VS 2008 requires the #include outside of the function */
15868 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15869 #include <sys/timeb.h>
15872 /* Get the current time as a TimeMark */
15874 GetTimeMark (TimeMark *tm)
15876 #if HAVE_GETTIMEOFDAY
15878 struct timeval timeVal;
15879 struct timezone timeZone;
15881 gettimeofday(&timeVal, &timeZone);
15882 tm->sec = (long) timeVal.tv_sec;
15883 tm->ms = (int) (timeVal.tv_usec / 1000L);
15885 #else /*!HAVE_GETTIMEOFDAY*/
15888 // include <sys/timeb.h> / moved to just above start of function
15889 struct timeb timeB;
15892 tm->sec = (long) timeB.time;
15893 tm->ms = (int) timeB.millitm;
15895 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15896 tm->sec = (long) time(NULL);
15902 /* Return the difference in milliseconds between two
15903 time marks. We assume the difference will fit in a long!
15906 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
15908 return 1000L*(tm2->sec - tm1->sec) +
15909 (long) (tm2->ms - tm1->ms);
15914 * Code to manage the game clocks.
15916 * In tournament play, black starts the clock and then white makes a move.
15917 * We give the human user a slight advantage if he is playing white---the
15918 * clocks don't run until he makes his first move, so it takes zero time.
15919 * Also, we don't account for network lag, so we could get out of sync
15920 * with GNU Chess's clock -- but then, referees are always right.
15923 static TimeMark tickStartTM;
15924 static long intendedTickLength;
15927 NextTickLength (long timeRemaining)
15929 long nominalTickLength, nextTickLength;
15931 if (timeRemaining > 0L && timeRemaining <= 10000L)
15932 nominalTickLength = 100L;
15934 nominalTickLength = 1000L;
15935 nextTickLength = timeRemaining % nominalTickLength;
15936 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15938 return nextTickLength;
15941 /* Adjust clock one minute up or down */
15943 AdjustClock (Boolean which, int dir)
15945 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15946 if(which) blackTimeRemaining += 60000*dir;
15947 else whiteTimeRemaining += 60000*dir;
15948 DisplayBothClocks();
15949 adjustedClock = TRUE;
15952 /* Stop clocks and reset to a fresh time control */
15956 (void) StopClockTimer();
15957 if (appData.icsActive) {
15958 whiteTimeRemaining = blackTimeRemaining = 0;
15959 } else if (searchTime) {
15960 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15961 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15962 } else { /* [HGM] correct new time quote for time odds */
15963 whiteTC = blackTC = fullTimeControlString;
15964 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15965 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15967 if (whiteFlag || blackFlag) {
15969 whiteFlag = blackFlag = FALSE;
15971 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15972 DisplayBothClocks();
15973 adjustedClock = FALSE;
15976 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15978 /* Decrement running clock by amount of time that has passed */
15982 long timeRemaining;
15983 long lastTickLength, fudge;
15986 if (!appData.clockMode) return;
15987 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15991 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15993 /* Fudge if we woke up a little too soon */
15994 fudge = intendedTickLength - lastTickLength;
15995 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15997 if (WhiteOnMove(forwardMostMove)) {
15998 if(whiteNPS >= 0) lastTickLength = 0;
15999 timeRemaining = whiteTimeRemaining -= lastTickLength;
16000 if(timeRemaining < 0 && !appData.icsActive) {
16001 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16002 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16003 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16004 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16007 DisplayWhiteClock(whiteTimeRemaining - fudge,
16008 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16010 if(blackNPS >= 0) lastTickLength = 0;
16011 timeRemaining = blackTimeRemaining -= lastTickLength;
16012 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16013 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16015 blackStartMove = forwardMostMove;
16016 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16019 DisplayBlackClock(blackTimeRemaining - fudge,
16020 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16022 if (CheckFlags()) return;
16025 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16026 StartClockTimer(intendedTickLength);
16028 /* if the time remaining has fallen below the alarm threshold, sound the
16029 * alarm. if the alarm has sounded and (due to a takeback or time control
16030 * with increment) the time remaining has increased to a level above the
16031 * threshold, reset the alarm so it can sound again.
16034 if (appData.icsActive && appData.icsAlarm) {
16036 /* make sure we are dealing with the user's clock */
16037 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16038 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16041 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16042 alarmSounded = FALSE;
16043 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16045 alarmSounded = TRUE;
16051 /* A player has just moved, so stop the previously running
16052 clock and (if in clock mode) start the other one.
16053 We redisplay both clocks in case we're in ICS mode, because
16054 ICS gives us an update to both clocks after every move.
16055 Note that this routine is called *after* forwardMostMove
16056 is updated, so the last fractional tick must be subtracted
16057 from the color that is *not* on move now.
16060 SwitchClocks (int newMoveNr)
16062 long lastTickLength;
16064 int flagged = FALSE;
16068 if (StopClockTimer() && appData.clockMode) {
16069 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16070 if (!WhiteOnMove(forwardMostMove)) {
16071 if(blackNPS >= 0) lastTickLength = 0;
16072 blackTimeRemaining -= lastTickLength;
16073 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16074 // if(pvInfoList[forwardMostMove].time == -1)
16075 pvInfoList[forwardMostMove].time = // use GUI time
16076 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16078 if(whiteNPS >= 0) lastTickLength = 0;
16079 whiteTimeRemaining -= lastTickLength;
16080 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16081 // if(pvInfoList[forwardMostMove].time == -1)
16082 pvInfoList[forwardMostMove].time =
16083 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16085 flagged = CheckFlags();
16087 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16088 CheckTimeControl();
16090 if (flagged || !appData.clockMode) return;
16092 switch (gameMode) {
16093 case MachinePlaysBlack:
16094 case MachinePlaysWhite:
16095 case BeginningOfGame:
16096 if (pausing) return;
16100 case PlayFromGameFile:
16108 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16109 if(WhiteOnMove(forwardMostMove))
16110 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16111 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16115 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16116 whiteTimeRemaining : blackTimeRemaining);
16117 StartClockTimer(intendedTickLength);
16121 /* Stop both clocks */
16125 long lastTickLength;
16128 if (!StopClockTimer()) return;
16129 if (!appData.clockMode) return;
16133 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16134 if (WhiteOnMove(forwardMostMove)) {
16135 if(whiteNPS >= 0) lastTickLength = 0;
16136 whiteTimeRemaining -= lastTickLength;
16137 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16139 if(blackNPS >= 0) lastTickLength = 0;
16140 blackTimeRemaining -= lastTickLength;
16141 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16146 /* Start clock of player on move. Time may have been reset, so
16147 if clock is already running, stop and restart it. */
16151 (void) StopClockTimer(); /* in case it was running already */
16152 DisplayBothClocks();
16153 if (CheckFlags()) return;
16155 if (!appData.clockMode) return;
16156 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16158 GetTimeMark(&tickStartTM);
16159 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16160 whiteTimeRemaining : blackTimeRemaining);
16162 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16163 whiteNPS = blackNPS = -1;
16164 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16165 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16166 whiteNPS = first.nps;
16167 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16168 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16169 blackNPS = first.nps;
16170 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16171 whiteNPS = second.nps;
16172 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16173 blackNPS = second.nps;
16174 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16176 StartClockTimer(intendedTickLength);
16180 TimeString (long ms)
16182 long second, minute, hour, day;
16184 static char buf[32];
16186 if (ms > 0 && ms <= 9900) {
16187 /* convert milliseconds to tenths, rounding up */
16188 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16190 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16194 /* convert milliseconds to seconds, rounding up */
16195 /* use floating point to avoid strangeness of integer division
16196 with negative dividends on many machines */
16197 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16204 day = second / (60 * 60 * 24);
16205 second = second % (60 * 60 * 24);
16206 hour = second / (60 * 60);
16207 second = second % (60 * 60);
16208 minute = second / 60;
16209 second = second % 60;
16212 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16213 sign, day, hour, minute, second);
16215 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16217 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16224 * This is necessary because some C libraries aren't ANSI C compliant yet.
16227 StrStr (char *string, char *match)
16231 length = strlen(match);
16233 for (i = strlen(string) - length; i >= 0; i--, string++)
16234 if (!strncmp(match, string, length))
16241 StrCaseStr (char *string, char *match)
16245 length = strlen(match);
16247 for (i = strlen(string) - length; i >= 0; i--, string++) {
16248 for (j = 0; j < length; j++) {
16249 if (ToLower(match[j]) != ToLower(string[j]))
16252 if (j == length) return string;
16260 StrCaseCmp (char *s1, char *s2)
16265 c1 = ToLower(*s1++);
16266 c2 = ToLower(*s2++);
16267 if (c1 > c2) return 1;
16268 if (c1 < c2) return -1;
16269 if (c1 == NULLCHAR) return 0;
16277 return isupper(c) ? tolower(c) : c;
16284 return islower(c) ? toupper(c) : c;
16286 #endif /* !_amigados */
16293 if ((ret = (char *) malloc(strlen(s) + 1)))
16295 safeStrCpy(ret, s, strlen(s)+1);
16301 StrSavePtr (char *s, char **savePtr)
16306 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16307 safeStrCpy(*savePtr, s, strlen(s)+1);
16319 clock = time((time_t *)NULL);
16320 tm = localtime(&clock);
16321 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16322 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16323 return StrSave(buf);
16328 PositionToFEN (int move, char *overrideCastling)
16330 int i, j, fromX, fromY, toX, toY;
16337 whiteToPlay = (gameMode == EditPosition) ?
16338 !blackPlaysFirst : (move % 2 == 0);
16341 /* Piece placement data */
16342 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16343 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16345 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16346 if (boards[move][i][j] == EmptySquare) {
16348 } else { ChessSquare piece = boards[move][i][j];
16349 if (emptycount > 0) {
16350 if(emptycount<10) /* [HGM] can be >= 10 */
16351 *p++ = '0' + emptycount;
16352 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16355 if(PieceToChar(piece) == '+') {
16356 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16358 piece = (ChessSquare)(DEMOTED piece);
16360 *p++ = PieceToChar(piece);
16362 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16363 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16368 if (emptycount > 0) {
16369 if(emptycount<10) /* [HGM] can be >= 10 */
16370 *p++ = '0' + emptycount;
16371 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16378 /* [HGM] print Crazyhouse or Shogi holdings */
16379 if( gameInfo.holdingsWidth ) {
16380 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16382 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16383 piece = boards[move][i][BOARD_WIDTH-1];
16384 if( piece != EmptySquare )
16385 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16386 *p++ = PieceToChar(piece);
16388 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16389 piece = boards[move][BOARD_HEIGHT-i-1][0];
16390 if( piece != EmptySquare )
16391 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16392 *p++ = PieceToChar(piece);
16395 if( q == p ) *p++ = '-';
16401 *p++ = whiteToPlay ? 'w' : 'b';
16404 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16405 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16407 if(nrCastlingRights) {
16409 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16410 /* [HGM] write directly from rights */
16411 if(boards[move][CASTLING][2] != NoRights &&
16412 boards[move][CASTLING][0] != NoRights )
16413 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16414 if(boards[move][CASTLING][2] != NoRights &&
16415 boards[move][CASTLING][1] != NoRights )
16416 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16417 if(boards[move][CASTLING][5] != NoRights &&
16418 boards[move][CASTLING][3] != NoRights )
16419 *p++ = boards[move][CASTLING][3] + AAA;
16420 if(boards[move][CASTLING][5] != NoRights &&
16421 boards[move][CASTLING][4] != NoRights )
16422 *p++ = boards[move][CASTLING][4] + AAA;
16425 /* [HGM] write true castling rights */
16426 if( nrCastlingRights == 6 ) {
16427 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16428 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16429 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16430 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16431 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16432 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16433 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16434 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16437 if (q == p) *p++ = '-'; /* No castling rights */
16441 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16442 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16443 /* En passant target square */
16444 if (move > backwardMostMove) {
16445 fromX = moveList[move - 1][0] - AAA;
16446 fromY = moveList[move - 1][1] - ONE;
16447 toX = moveList[move - 1][2] - AAA;
16448 toY = moveList[move - 1][3] - ONE;
16449 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16450 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16451 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16453 /* 2-square pawn move just happened */
16455 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16459 } else if(move == backwardMostMove) {
16460 // [HGM] perhaps we should always do it like this, and forget the above?
16461 if((signed char)boards[move][EP_STATUS] >= 0) {
16462 *p++ = boards[move][EP_STATUS] + AAA;
16463 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16474 /* [HGM] find reversible plies */
16475 { int i = 0, j=move;
16477 if (appData.debugMode) { int k;
16478 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16479 for(k=backwardMostMove; k<=forwardMostMove; k++)
16480 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16484 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16485 if( j == backwardMostMove ) i += initialRulePlies;
16486 sprintf(p, "%d ", i);
16487 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16489 /* Fullmove number */
16490 sprintf(p, "%d", (move / 2) + 1);
16492 return StrSave(buf);
16496 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16505 /* [HGM] by default clear Crazyhouse holdings, if present */
16506 if(gameInfo.holdingsWidth) {
16507 for(i=0; i<BOARD_HEIGHT; i++) {
16508 board[i][0] = EmptySquare; /* black holdings */
16509 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16510 board[i][1] = (ChessSquare) 0; /* black counts */
16511 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16515 /* Piece placement data */
16516 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16519 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16520 if (*p == '/') p++;
16521 emptycount = gameInfo.boardWidth - j;
16522 while (emptycount--)
16523 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16525 #if(BOARD_FILES >= 10)
16526 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16527 p++; emptycount=10;
16528 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16529 while (emptycount--)
16530 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16532 } else if (isdigit(*p)) {
16533 emptycount = *p++ - '0';
16534 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16535 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16536 while (emptycount--)
16537 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16538 } else if (*p == '+' || isalpha(*p)) {
16539 if (j >= gameInfo.boardWidth) return FALSE;
16541 piece = CharToPiece(*++p);
16542 if(piece == EmptySquare) return FALSE; /* unknown piece */
16543 piece = (ChessSquare) (PROMOTED piece ); p++;
16544 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16545 } else piece = CharToPiece(*p++);
16547 if(piece==EmptySquare) return FALSE; /* unknown piece */
16548 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16549 piece = (ChessSquare) (PROMOTED piece);
16550 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16553 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16559 while (*p == '/' || *p == ' ') p++;
16561 /* [HGM] look for Crazyhouse holdings here */
16562 while(*p==' ') p++;
16563 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16565 if(*p == '-' ) p++; /* empty holdings */ else {
16566 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16567 /* if we would allow FEN reading to set board size, we would */
16568 /* have to add holdings and shift the board read so far here */
16569 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16571 if((int) piece >= (int) BlackPawn ) {
16572 i = (int)piece - (int)BlackPawn;
16573 i = PieceToNumber((ChessSquare)i);
16574 if( i >= gameInfo.holdingsSize ) return FALSE;
16575 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16576 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16578 i = (int)piece - (int)WhitePawn;
16579 i = PieceToNumber((ChessSquare)i);
16580 if( i >= gameInfo.holdingsSize ) return FALSE;
16581 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16582 board[i][BOARD_WIDTH-2]++; /* black holdings */
16589 while(*p == ' ') p++;
16593 if(appData.colorNickNames) {
16594 if( c == appData.colorNickNames[0] ) c = 'w'; else
16595 if( c == appData.colorNickNames[1] ) c = 'b';
16599 *blackPlaysFirst = FALSE;
16602 *blackPlaysFirst = TRUE;
16608 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16609 /* return the extra info in global variiables */
16611 /* set defaults in case FEN is incomplete */
16612 board[EP_STATUS] = EP_UNKNOWN;
16613 for(i=0; i<nrCastlingRights; i++ ) {
16614 board[CASTLING][i] =
16615 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16616 } /* assume possible unless obviously impossible */
16617 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16618 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16619 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16620 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16621 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16622 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16623 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16624 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16627 while(*p==' ') p++;
16628 if(nrCastlingRights) {
16629 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16630 /* castling indicator present, so default becomes no castlings */
16631 for(i=0; i<nrCastlingRights; i++ ) {
16632 board[CASTLING][i] = NoRights;
16635 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16636 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16637 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16638 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16639 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16641 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16642 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16643 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16645 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16646 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16647 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16648 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16649 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16650 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16653 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16654 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16655 board[CASTLING][2] = whiteKingFile;
16658 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16659 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16660 board[CASTLING][2] = whiteKingFile;
16663 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16664 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16665 board[CASTLING][5] = blackKingFile;
16668 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16669 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16670 board[CASTLING][5] = blackKingFile;
16673 default: /* FRC castlings */
16674 if(c >= 'a') { /* black rights */
16675 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16676 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16677 if(i == BOARD_RGHT) break;
16678 board[CASTLING][5] = i;
16680 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16681 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16683 board[CASTLING][3] = c;
16685 board[CASTLING][4] = c;
16686 } else { /* white rights */
16687 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16688 if(board[0][i] == WhiteKing) break;
16689 if(i == BOARD_RGHT) break;
16690 board[CASTLING][2] = i;
16691 c -= AAA - 'a' + 'A';
16692 if(board[0][c] >= WhiteKing) break;
16694 board[CASTLING][0] = c;
16696 board[CASTLING][1] = c;
16700 for(i=0; i<nrCastlingRights; i++)
16701 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16702 if (appData.debugMode) {
16703 fprintf(debugFP, "FEN castling rights:");
16704 for(i=0; i<nrCastlingRights; i++)
16705 fprintf(debugFP, " %d", board[CASTLING][i]);
16706 fprintf(debugFP, "\n");
16709 while(*p==' ') p++;
16712 /* read e.p. field in games that know e.p. capture */
16713 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16714 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16716 p++; board[EP_STATUS] = EP_NONE;
16718 char c = *p++ - AAA;
16720 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16721 if(*p >= '0' && *p <='9') p++;
16722 board[EP_STATUS] = c;
16727 if(sscanf(p, "%d", &i) == 1) {
16728 FENrulePlies = i; /* 50-move ply counter */
16729 /* (The move number is still ignored) */
16736 EditPositionPasteFEN (char *fen)
16739 Board initial_position;
16741 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16742 DisplayError(_("Bad FEN position in clipboard"), 0);
16745 int savedBlackPlaysFirst = blackPlaysFirst;
16746 EditPositionEvent();
16747 blackPlaysFirst = savedBlackPlaysFirst;
16748 CopyBoard(boards[0], initial_position);
16749 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16750 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16751 DisplayBothClocks();
16752 DrawPosition(FALSE, boards[currentMove]);
16757 static char cseq[12] = "\\ ";
16760 set_cont_sequence (char *new_seq)
16765 // handle bad attempts to set the sequence
16767 return 0; // acceptable error - no debug
16769 len = strlen(new_seq);
16770 ret = (len > 0) && (len < sizeof(cseq));
16772 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16773 else if (appData.debugMode)
16774 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16779 reformat a source message so words don't cross the width boundary. internal
16780 newlines are not removed. returns the wrapped size (no null character unless
16781 included in source message). If dest is NULL, only calculate the size required
16782 for the dest buffer. lp argument indicats line position upon entry, and it's
16783 passed back upon exit.
16786 wrap (char *dest, char *src, int count, int width, int *lp)
16788 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16790 cseq_len = strlen(cseq);
16791 old_line = line = *lp;
16792 ansi = len = clen = 0;
16794 for (i=0; i < count; i++)
16796 if (src[i] == '\033')
16799 // if we hit the width, back up
16800 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16802 // store i & len in case the word is too long
16803 old_i = i, old_len = len;
16805 // find the end of the last word
16806 while (i && src[i] != ' ' && src[i] != '\n')
16812 // word too long? restore i & len before splitting it
16813 if ((old_i-i+clen) >= width)
16820 if (i && src[i-1] == ' ')
16823 if (src[i] != ' ' && src[i] != '\n')
16830 // now append the newline and continuation sequence
16835 strncpy(dest+len, cseq, cseq_len);
16843 dest[len] = src[i];
16847 if (src[i] == '\n')
16852 if (dest && appData.debugMode)
16854 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16855 count, width, line, len, *lp);
16856 show_bytes(debugFP, src, count);
16857 fprintf(debugFP, "\ndest: ");
16858 show_bytes(debugFP, dest, len);
16859 fprintf(debugFP, "\n");
16861 *lp = dest ? line : old_line;
16866 // [HGM] vari: routines for shelving variations
16867 Boolean modeRestore = FALSE;
16870 PushInner (int firstMove, int lastMove)
16872 int i, j, nrMoves = lastMove - firstMove;
16874 // push current tail of game on stack
16875 savedResult[storedGames] = gameInfo.result;
16876 savedDetails[storedGames] = gameInfo.resultDetails;
16877 gameInfo.resultDetails = NULL;
16878 savedFirst[storedGames] = firstMove;
16879 savedLast [storedGames] = lastMove;
16880 savedFramePtr[storedGames] = framePtr;
16881 framePtr -= nrMoves; // reserve space for the boards
16882 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16883 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16884 for(j=0; j<MOVE_LEN; j++)
16885 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16886 for(j=0; j<2*MOVE_LEN; j++)
16887 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16888 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16889 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16890 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16891 pvInfoList[firstMove+i-1].depth = 0;
16892 commentList[framePtr+i] = commentList[firstMove+i];
16893 commentList[firstMove+i] = NULL;
16897 forwardMostMove = firstMove; // truncate game so we can start variation
16901 PushTail (int firstMove, int lastMove)
16903 if(appData.icsActive) { // only in local mode
16904 forwardMostMove = currentMove; // mimic old ICS behavior
16907 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16909 PushInner(firstMove, lastMove);
16910 if(storedGames == 1) GreyRevert(FALSE);
16911 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16915 PopInner (Boolean annotate)
16918 char buf[8000], moveBuf[20];
16920 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16921 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16922 nrMoves = savedLast[storedGames] - currentMove;
16925 if(!WhiteOnMove(currentMove))
16926 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16927 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16928 for(i=currentMove; i<forwardMostMove; i++) {
16930 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16931 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16932 strcat(buf, moveBuf);
16933 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16934 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16938 for(i=1; i<=nrMoves; i++) { // copy last variation back
16939 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16940 for(j=0; j<MOVE_LEN; j++)
16941 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16942 for(j=0; j<2*MOVE_LEN; j++)
16943 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16944 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16945 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16946 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16947 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16948 commentList[currentMove+i] = commentList[framePtr+i];
16949 commentList[framePtr+i] = NULL;
16951 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16952 framePtr = savedFramePtr[storedGames];
16953 gameInfo.result = savedResult[storedGames];
16954 if(gameInfo.resultDetails != NULL) {
16955 free(gameInfo.resultDetails);
16957 gameInfo.resultDetails = savedDetails[storedGames];
16958 forwardMostMove = currentMove + nrMoves;
16962 PopTail (Boolean annotate)
16964 if(appData.icsActive) return FALSE; // only in local mode
16965 if(!storedGames) return FALSE; // sanity
16966 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16968 PopInner(annotate);
16969 if(currentMove < forwardMostMove) ForwardEvent(); else
16970 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16972 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16978 { // remove all shelved variations
16980 for(i=0; i<storedGames; i++) {
16981 if(savedDetails[i])
16982 free(savedDetails[i]);
16983 savedDetails[i] = NULL;
16985 for(i=framePtr; i<MAX_MOVES; i++) {
16986 if(commentList[i]) free(commentList[i]);
16987 commentList[i] = NULL;
16989 framePtr = MAX_MOVES-1;
16994 LoadVariation (int index, char *text)
16995 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16996 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16997 int level = 0, move;
16999 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17000 // first find outermost bracketing variation
17001 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17002 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17003 if(*p == '{') wait = '}'; else
17004 if(*p == '[') wait = ']'; else
17005 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17006 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17008 if(*p == wait) wait = NULLCHAR; // closing ]} found
17011 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17012 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17013 end[1] = NULLCHAR; // clip off comment beyond variation
17014 ToNrEvent(currentMove-1);
17015 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17016 // kludge: use ParsePV() to append variation to game
17017 move = currentMove;
17018 ParsePV(start, TRUE, TRUE);
17019 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17020 ClearPremoveHighlights();
17022 ToNrEvent(currentMove+1);