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 SendToICS P((char *s));
156 void SendToICSDelayed P((char *s, long msdelay));
157 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
158 void HandleMachineMove P((char *message, ChessProgramState *cps));
159 int AutoPlayOneMove P((void));
160 int LoadGameOneMove P((ChessMove readAhead));
161 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
162 int LoadPositionFromFile P((char *filename, int n, char *title));
163 int SavePositionToFile P((char *filename));
164 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
165 void ShowMove P((int fromX, int fromY, int toX, int toY));
166 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
167 /*char*/int promoChar));
168 void BackwardInner P((int target));
169 void ForwardInner P((int target));
170 int Adjudicate P((ChessProgramState *cps));
171 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
172 void EditPositionDone P((Boolean fakeRights));
173 void PrintOpponents P((FILE *fp));
174 void PrintPosition P((FILE *fp, int move));
175 void StartChessProgram P((ChessProgramState *cps));
176 void SendToProgram P((char *message, ChessProgramState *cps));
177 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
178 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
179 char *buf, int count, int error));
180 void SendTimeControl P((ChessProgramState *cps,
181 int mps, long tc, int inc, int sd, int st));
182 char *TimeControlTagValue P((void));
183 void Attention P((ChessProgramState *cps));
184 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
185 int ResurrectChessProgram P((void));
186 void DisplayComment P((int moveNumber, char *text));
187 void DisplayMove P((int moveNumber));
189 void ParseGameHistory P((char *game));
190 void ParseBoard12 P((char *string));
191 void KeepAlive P((void));
192 void StartClocks P((void));
193 void SwitchClocks P((int nr));
194 void StopClocks P((void));
195 void ResetClocks P((void));
196 char *PGNDate P((void));
197 void SetGameInfo P((void));
198 int RegisterMove P((void));
199 void MakeRegisteredMove P((void));
200 void TruncateGame P((void));
201 int looking_at P((char *, int *, char *));
202 void CopyPlayerNameIntoFileName P((char **, char *));
203 char *SavePart P((char *));
204 int SaveGameOldStyle P((FILE *));
205 int SaveGamePGN P((FILE *));
206 int CheckFlags P((void));
207 long NextTickLength P((long));
208 void CheckTimeControl P((void));
209 void show_bytes P((FILE *, char *, int));
210 int string_to_rating P((char *str));
211 void ParseFeatures P((char* args, ChessProgramState *cps));
212 void InitBackEnd3 P((void));
213 void FeatureDone P((ChessProgramState* cps, int val));
214 void InitChessProgram P((ChessProgramState *cps, int setup));
215 void OutputKibitz(int window, char *text);
216 int PerpetualChase(int first, int last);
217 int EngineOutputIsUp();
218 void InitDrawingSizes(int x, int y);
219 void NextMatchGame P((void));
220 int NextTourneyGame P((int nr, int *swap));
221 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
222 FILE *WriteTourneyFile P((char *results, FILE *f));
223 void DisplayTwoMachinesTitle P(());
224 static void ExcludeClick P((int index));
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 enum ICS_TYPE 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, controlKey; // [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, activePartnerTime;
458 Boolean adjustedClock;
459 long timeControl_2; /* [AS] Allow separate time controls */
460 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [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 < currentMove; 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 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
879 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
882 FloatToFront(char **list, char *engineLine)
884 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
886 if(appData.recentEngines <= 0) return;
887 TidyProgramName(engineLine, "localhost", tidy+1);
888 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
889 strncpy(buf+1, *list, MSG_SIZ-50);
890 if(p = strstr(buf, tidy)) { // tidy name appears in list
891 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
892 while(*p++ = *++q); // squeeze out
894 strcat(tidy, buf+1); // put list behind tidy name
895 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
896 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
897 ASSIGN(*list, tidy+1);
900 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
903 Load (ChessProgramState *cps, int i)
905 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
906 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
907 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
908 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
909 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
910 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
911 appData.firstProtocolVersion = PROTOVER;
912 ParseArgsFromString(buf);
914 ReplaceEngine(cps, i);
915 FloatToFront(&appData.recentEngineList, engineLine);
919 while(q = strchr(p, SLASH)) p = q+1;
920 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
921 if(engineDir[0] != NULLCHAR) {
922 ASSIGN(appData.directory[i], engineDir); p = engineName;
923 } else if(p != engineName) { // derive directory from engine path, when not given
925 ASSIGN(appData.directory[i], engineName);
927 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
928 } else { ASSIGN(appData.directory[i], "."); }
930 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
931 snprintf(command, MSG_SIZ, "%s %s", p, params);
934 ASSIGN(appData.chessProgram[i], p);
935 appData.isUCI[i] = isUCI;
936 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
937 appData.hasOwnBookUCI[i] = hasBook;
938 if(!nickName[0]) useNick = FALSE;
939 if(useNick) ASSIGN(appData.pgnName[i], nickName);
943 q = firstChessProgramNames;
944 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
945 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
946 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
947 quote, p, quote, appData.directory[i],
948 useNick ? " -fn \"" : "",
949 useNick ? nickName : "",
951 v1 ? " -firstProtocolVersion 1" : "",
952 hasBook ? "" : " -fNoOwnBookUCI",
953 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
954 storeVariant ? " -variant " : "",
955 storeVariant ? VariantName(gameInfo.variant) : "");
956 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
957 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
958 if(insert != q) insert[-1] = NULLCHAR;
959 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
961 FloatToFront(&appData.recentEngineList, buf);
963 ReplaceEngine(cps, i);
969 int matched, min, sec;
971 * Parse timeControl resource
973 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
974 appData.movesPerSession)) {
976 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
977 DisplayFatalError(buf, 0, 2);
981 * Parse searchTime resource
983 if (*appData.searchTime != NULLCHAR) {
984 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
986 searchTime = min * 60;
987 } else if (matched == 2) {
988 searchTime = min * 60 + sec;
991 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
992 DisplayFatalError(buf, 0, 2);
1001 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1002 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1004 GetTimeMark(&programStartTime);
1005 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1006 appData.seedBase = random() + (random()<<15);
1007 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1009 ClearProgramStats();
1010 programStats.ok_to_send = 1;
1011 programStats.seen_stat = 0;
1014 * Initialize game list
1020 * Internet chess server status
1022 if (appData.icsActive) {
1023 appData.matchMode = FALSE;
1024 appData.matchGames = 0;
1026 appData.noChessProgram = !appData.zippyPlay;
1028 appData.zippyPlay = FALSE;
1029 appData.zippyTalk = FALSE;
1030 appData.noChessProgram = TRUE;
1032 if (*appData.icsHelper != NULLCHAR) {
1033 appData.useTelnet = TRUE;
1034 appData.telnetProgram = appData.icsHelper;
1037 appData.zippyTalk = appData.zippyPlay = FALSE;
1040 /* [AS] Initialize pv info list [HGM] and game state */
1044 for( i=0; i<=framePtr; i++ ) {
1045 pvInfoList[i].depth = -1;
1046 boards[i][EP_STATUS] = EP_NONE;
1047 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1053 /* [AS] Adjudication threshold */
1054 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1056 InitEngine(&first, 0);
1057 InitEngine(&second, 1);
1060 pairing.which = "pairing"; // pairing engine
1061 pairing.pr = NoProc;
1063 pairing.program = appData.pairingEngine;
1064 pairing.host = "localhost";
1067 if (appData.icsActive) {
1068 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1069 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1070 appData.clockMode = FALSE;
1071 first.sendTime = second.sendTime = 0;
1075 /* Override some settings from environment variables, for backward
1076 compatibility. Unfortunately it's not feasible to have the env
1077 vars just set defaults, at least in xboard. Ugh.
1079 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1084 if (!appData.icsActive) {
1088 /* Check for variants that are supported only in ICS mode,
1089 or not at all. Some that are accepted here nevertheless
1090 have bugs; see comments below.
1092 VariantClass variant = StringToVariant(appData.variant);
1094 case VariantBughouse: /* need four players and two boards */
1095 case VariantKriegspiel: /* need to hide pieces and move details */
1096 /* case VariantFischeRandom: (Fabien: moved below) */
1097 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1098 if( (len >= MSG_SIZ) && appData.debugMode )
1099 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1101 DisplayFatalError(buf, 0, 2);
1104 case VariantUnknown:
1105 case VariantLoadable:
1115 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1116 if( (len >= MSG_SIZ) && appData.debugMode )
1117 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1119 DisplayFatalError(buf, 0, 2);
1122 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1123 case VariantFairy: /* [HGM] TestLegality definitely off! */
1124 case VariantGothic: /* [HGM] should work */
1125 case VariantCapablanca: /* [HGM] should work */
1126 case VariantCourier: /* [HGM] initial forced moves not implemented */
1127 case VariantShogi: /* [HGM] could still mate with pawn drop */
1128 case VariantKnightmate: /* [HGM] should work */
1129 case VariantCylinder: /* [HGM] untested */
1130 case VariantFalcon: /* [HGM] untested */
1131 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1132 offboard interposition not understood */
1133 case VariantNormal: /* definitely works! */
1134 case VariantWildCastle: /* pieces not automatically shuffled */
1135 case VariantNoCastle: /* pieces not automatically shuffled */
1136 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1137 case VariantLosers: /* should work except for win condition,
1138 and doesn't know captures are mandatory */
1139 case VariantSuicide: /* should work except for win condition,
1140 and doesn't know captures are mandatory */
1141 case VariantGiveaway: /* should work except for win condition,
1142 and doesn't know captures are mandatory */
1143 case VariantTwoKings: /* should work */
1144 case VariantAtomic: /* should work except for win condition */
1145 case Variant3Check: /* should work except for win condition */
1146 case VariantShatranj: /* should work except for all win conditions */
1147 case VariantMakruk: /* should work except for draw countdown */
1148 case VariantBerolina: /* might work if TestLegality is off */
1149 case VariantCapaRandom: /* should work */
1150 case VariantJanus: /* should work */
1151 case VariantSuper: /* experimental */
1152 case VariantGreat: /* experimental, requires legality testing to be off */
1153 case VariantSChess: /* S-Chess, should work */
1154 case VariantGrand: /* should work */
1155 case VariantSpartan: /* should work */
1163 NextIntegerFromString (char ** str, long * value)
1168 while( *s == ' ' || *s == '\t' ) {
1174 if( *s >= '0' && *s <= '9' ) {
1175 while( *s >= '0' && *s <= '9' ) {
1176 *value = *value * 10 + (*s - '0');
1189 NextTimeControlFromString (char ** str, long * value)
1192 int result = NextIntegerFromString( str, &temp );
1195 *value = temp * 60; /* Minutes */
1196 if( **str == ':' ) {
1198 result = NextIntegerFromString( str, &temp );
1199 *value += temp; /* Seconds */
1207 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1208 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1209 int result = -1, type = 0; long temp, temp2;
1211 if(**str != ':') return -1; // old params remain in force!
1213 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1214 if( NextIntegerFromString( str, &temp ) ) return -1;
1215 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1218 /* time only: incremental or sudden-death time control */
1219 if(**str == '+') { /* increment follows; read it */
1221 if(**str == '!') type = *(*str)++; // Bronstein TC
1222 if(result = NextIntegerFromString( str, &temp2)) return -1;
1223 *inc = temp2 * 1000;
1224 if(**str == '.') { // read fraction of increment
1225 char *start = ++(*str);
1226 if(result = NextIntegerFromString( str, &temp2)) return -1;
1228 while(start++ < *str) temp2 /= 10;
1232 *moves = 0; *tc = temp * 1000; *incType = type;
1236 (*str)++; /* classical time control */
1237 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1249 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1250 { /* [HGM] get time to add from the multi-session time-control string */
1251 int incType, moves=1; /* kludge to force reading of first session */
1252 long time, increment;
1255 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1257 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1258 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1259 if(movenr == -1) return time; /* last move before new session */
1260 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1261 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1262 if(!moves) return increment; /* current session is incremental */
1263 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1264 } while(movenr >= -1); /* try again for next session */
1266 return 0; // no new time quota on this move
1270 ParseTimeControl (char *tc, float ti, int mps)
1274 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1277 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1278 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1279 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1283 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1285 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1288 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1290 snprintf(buf, MSG_SIZ, ":%s", mytc);
1292 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1294 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1299 /* Parse second time control */
1302 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1310 timeControl_2 = tc2 * 1000;
1320 timeControl = tc1 * 1000;
1323 timeIncrement = ti * 1000; /* convert to ms */
1324 movesPerSession = 0;
1327 movesPerSession = mps;
1335 if (appData.debugMode) {
1336 fprintf(debugFP, "%s\n", programVersion);
1338 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1340 set_cont_sequence(appData.wrapContSeq);
1341 if (appData.matchGames > 0) {
1342 appData.matchMode = TRUE;
1343 } else if (appData.matchMode) {
1344 appData.matchGames = 1;
1346 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1347 appData.matchGames = appData.sameColorGames;
1348 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1349 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1350 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1353 if (appData.noChessProgram || first.protocolVersion == 1) {
1356 /* kludge: allow timeout for initial "feature" commands */
1358 DisplayMessage("", _("Starting chess program"));
1359 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1364 CalculateIndex (int index, int gameNr)
1365 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1367 if(index > 0) return index; // fixed nmber
1368 if(index == 0) return 1;
1369 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1370 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1375 LoadGameOrPosition (int gameNr)
1376 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1377 if (*appData.loadGameFile != NULLCHAR) {
1378 if (!LoadGameFromFile(appData.loadGameFile,
1379 CalculateIndex(appData.loadGameIndex, gameNr),
1380 appData.loadGameFile, FALSE)) {
1381 DisplayFatalError(_("Bad game file"), 0, 1);
1384 } else if (*appData.loadPositionFile != NULLCHAR) {
1385 if (!LoadPositionFromFile(appData.loadPositionFile,
1386 CalculateIndex(appData.loadPositionIndex, gameNr),
1387 appData.loadPositionFile)) {
1388 DisplayFatalError(_("Bad position file"), 0, 1);
1396 ReserveGame (int gameNr, char resChar)
1398 FILE *tf = fopen(appData.tourneyFile, "r+");
1399 char *p, *q, c, buf[MSG_SIZ];
1400 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1401 safeStrCpy(buf, lastMsg, MSG_SIZ);
1402 DisplayMessage(_("Pick new game"), "");
1403 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1404 ParseArgsFromFile(tf);
1405 p = q = appData.results;
1406 if(appData.debugMode) {
1407 char *r = appData.participants;
1408 fprintf(debugFP, "results = '%s'\n", p);
1409 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1410 fprintf(debugFP, "\n");
1412 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1414 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1415 safeStrCpy(q, p, strlen(p) + 2);
1416 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1417 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1418 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1419 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1422 fseek(tf, -(strlen(p)+4), SEEK_END);
1424 if(c != '"') // depending on DOS or Unix line endings we can be one off
1425 fseek(tf, -(strlen(p)+2), SEEK_END);
1426 else fseek(tf, -(strlen(p)+3), SEEK_END);
1427 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1428 DisplayMessage(buf, "");
1429 free(p); appData.results = q;
1430 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1431 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1432 int round = appData.defaultMatchGames * appData.tourneyType;
1433 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1434 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1435 UnloadEngine(&first); // next game belongs to other pairing;
1436 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1438 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1442 MatchEvent (int mode)
1443 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1445 if(matchMode) { // already in match mode: switch it off
1447 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1450 // if(gameMode != BeginningOfGame) {
1451 // DisplayError(_("You can only start a match from the initial position."), 0);
1455 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1456 /* Set up machine vs. machine match */
1458 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1459 if(appData.tourneyFile[0]) {
1461 if(nextGame > appData.matchGames) {
1463 if(strchr(appData.results, '*') == NULL) {
1465 appData.tourneyCycles++;
1466 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1468 NextTourneyGame(-1, &dummy);
1470 if(nextGame <= appData.matchGames) {
1471 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1473 ScheduleDelayedEvent(NextMatchGame, 10000);
1478 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1479 DisplayError(buf, 0);
1480 appData.tourneyFile[0] = 0;
1484 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1485 DisplayFatalError(_("Can't have a match with no chess programs"),
1490 matchGame = roundNr = 1;
1491 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1495 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1498 InitBackEnd3 P((void))
1500 GameMode initialMode;
1504 InitChessProgram(&first, startedFromSetupPosition);
1506 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1507 free(programVersion);
1508 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1509 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1510 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1513 if (appData.icsActive) {
1515 /* [DM] Make a console window if needed [HGM] merged ifs */
1521 if (*appData.icsCommPort != NULLCHAR)
1522 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1523 appData.icsCommPort);
1525 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1526 appData.icsHost, appData.icsPort);
1528 if( (len >= MSG_SIZ) && appData.debugMode )
1529 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1531 DisplayFatalError(buf, err, 1);
1536 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1538 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1539 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1540 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1541 } else if (appData.noChessProgram) {
1547 if (*appData.cmailGameName != NULLCHAR) {
1549 OpenLoopback(&cmailPR);
1551 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1555 DisplayMessage("", "");
1556 if (StrCaseCmp(appData.initialMode, "") == 0) {
1557 initialMode = BeginningOfGame;
1558 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1559 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1560 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1561 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1564 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1565 initialMode = TwoMachinesPlay;
1566 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1567 initialMode = AnalyzeFile;
1568 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1569 initialMode = AnalyzeMode;
1570 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1571 initialMode = MachinePlaysWhite;
1572 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1573 initialMode = MachinePlaysBlack;
1574 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1575 initialMode = EditGame;
1576 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1577 initialMode = EditPosition;
1578 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1579 initialMode = Training;
1581 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1582 if( (len >= MSG_SIZ) && appData.debugMode )
1583 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1585 DisplayFatalError(buf, 0, 2);
1589 if (appData.matchMode) {
1590 if(appData.tourneyFile[0]) { // start tourney from command line
1592 if(f = fopen(appData.tourneyFile, "r")) {
1593 ParseArgsFromFile(f); // make sure tourney parmeters re known
1595 appData.clockMode = TRUE;
1597 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1600 } else if (*appData.cmailGameName != NULLCHAR) {
1601 /* Set up cmail mode */
1602 ReloadCmailMsgEvent(TRUE);
1604 /* Set up other modes */
1605 if (initialMode == AnalyzeFile) {
1606 if (*appData.loadGameFile == NULLCHAR) {
1607 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1611 if (*appData.loadGameFile != NULLCHAR) {
1612 (void) LoadGameFromFile(appData.loadGameFile,
1613 appData.loadGameIndex,
1614 appData.loadGameFile, TRUE);
1615 } else if (*appData.loadPositionFile != NULLCHAR) {
1616 (void) LoadPositionFromFile(appData.loadPositionFile,
1617 appData.loadPositionIndex,
1618 appData.loadPositionFile);
1619 /* [HGM] try to make self-starting even after FEN load */
1620 /* to allow automatic setup of fairy variants with wtm */
1621 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1622 gameMode = BeginningOfGame;
1623 setboardSpoiledMachineBlack = 1;
1625 /* [HGM] loadPos: make that every new game uses the setup */
1626 /* from file as long as we do not switch variant */
1627 if(!blackPlaysFirst) {
1628 startedFromPositionFile = TRUE;
1629 CopyBoard(filePosition, boards[0]);
1632 if (initialMode == AnalyzeMode) {
1633 if (appData.noChessProgram) {
1634 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1637 if (appData.icsActive) {
1638 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1642 } else if (initialMode == AnalyzeFile) {
1643 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1644 ShowThinkingEvent();
1646 AnalysisPeriodicEvent(1);
1647 } else if (initialMode == MachinePlaysWhite) {
1648 if (appData.noChessProgram) {
1649 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1653 if (appData.icsActive) {
1654 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1658 MachineWhiteEvent();
1659 } else if (initialMode == MachinePlaysBlack) {
1660 if (appData.noChessProgram) {
1661 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1665 if (appData.icsActive) {
1666 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1670 MachineBlackEvent();
1671 } else if (initialMode == TwoMachinesPlay) {
1672 if (appData.noChessProgram) {
1673 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1677 if (appData.icsActive) {
1678 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1683 } else if (initialMode == EditGame) {
1685 } else if (initialMode == EditPosition) {
1686 EditPositionEvent();
1687 } else if (initialMode == Training) {
1688 if (*appData.loadGameFile == NULLCHAR) {
1689 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1698 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1700 DisplayBook(current+1);
1702 MoveHistorySet( movelist, first, last, current, pvInfoList );
1704 EvalGraphSet( first, last, current, pvInfoList );
1706 MakeEngineOutputTitle();
1710 * Establish will establish a contact to a remote host.port.
1711 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1712 * used to talk to the host.
1713 * Returns 0 if okay, error code if not.
1720 if (*appData.icsCommPort != NULLCHAR) {
1721 /* Talk to the host through a serial comm port */
1722 return OpenCommPort(appData.icsCommPort, &icsPR);
1724 } else if (*appData.gateway != NULLCHAR) {
1725 if (*appData.remoteShell == NULLCHAR) {
1726 /* Use the rcmd protocol to run telnet program on a gateway host */
1727 snprintf(buf, sizeof(buf), "%s %s %s",
1728 appData.telnetProgram, appData.icsHost, appData.icsPort);
1729 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1732 /* Use the rsh program to run telnet program on a gateway host */
1733 if (*appData.remoteUser == NULLCHAR) {
1734 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1735 appData.gateway, appData.telnetProgram,
1736 appData.icsHost, appData.icsPort);
1738 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1739 appData.remoteShell, appData.gateway,
1740 appData.remoteUser, appData.telnetProgram,
1741 appData.icsHost, appData.icsPort);
1743 return StartChildProcess(buf, "", &icsPR);
1746 } else if (appData.useTelnet) {
1747 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1750 /* TCP socket interface differs somewhat between
1751 Unix and NT; handle details in the front end.
1753 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1758 EscapeExpand (char *p, char *q)
1759 { // [HGM] initstring: routine to shape up string arguments
1760 while(*p++ = *q++) if(p[-1] == '\\')
1762 case 'n': p[-1] = '\n'; break;
1763 case 'r': p[-1] = '\r'; break;
1764 case 't': p[-1] = '\t'; break;
1765 case '\\': p[-1] = '\\'; break;
1766 case 0: *p = 0; return;
1767 default: p[-1] = q[-1]; break;
1772 show_bytes (FILE *fp, char *buf, int count)
1775 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1776 fprintf(fp, "\\%03o", *buf & 0xff);
1785 /* Returns an errno value */
1787 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1789 char buf[8192], *p, *q, *buflim;
1790 int left, newcount, outcount;
1792 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1793 *appData.gateway != NULLCHAR) {
1794 if (appData.debugMode) {
1795 fprintf(debugFP, ">ICS: ");
1796 show_bytes(debugFP, message, count);
1797 fprintf(debugFP, "\n");
1799 return OutputToProcess(pr, message, count, outError);
1802 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1809 if (appData.debugMode) {
1810 fprintf(debugFP, ">ICS: ");
1811 show_bytes(debugFP, buf, newcount);
1812 fprintf(debugFP, "\n");
1814 outcount = OutputToProcess(pr, buf, newcount, outError);
1815 if (outcount < newcount) return -1; /* to be sure */
1822 } else if (((unsigned char) *p) == TN_IAC) {
1823 *q++ = (char) TN_IAC;
1830 if (appData.debugMode) {
1831 fprintf(debugFP, ">ICS: ");
1832 show_bytes(debugFP, buf, newcount);
1833 fprintf(debugFP, "\n");
1835 outcount = OutputToProcess(pr, buf, newcount, outError);
1836 if (outcount < newcount) return -1; /* to be sure */
1841 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1843 int outError, outCount;
1844 static int gotEof = 0;
1846 /* Pass data read from player on to ICS */
1849 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1850 if (outCount < count) {
1851 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1853 } else if (count < 0) {
1854 RemoveInputSource(isr);
1855 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1856 } else if (gotEof++ > 0) {
1857 RemoveInputSource(isr);
1858 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1864 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1865 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1866 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1867 SendToICS("date\n");
1868 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1871 /* added routine for printf style output to ics */
1873 ics_printf (char *format, ...)
1875 char buffer[MSG_SIZ];
1878 va_start(args, format);
1879 vsnprintf(buffer, sizeof(buffer), format, args);
1880 buffer[sizeof(buffer)-1] = '\0';
1888 int count, outCount, outError;
1890 if (icsPR == NoProc) return;
1893 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1894 if (outCount < count) {
1895 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1899 /* This is used for sending logon scripts to the ICS. Sending
1900 without a delay causes problems when using timestamp on ICC
1901 (at least on my machine). */
1903 SendToICSDelayed (char *s, long msdelay)
1905 int count, outCount, outError;
1907 if (icsPR == NoProc) return;
1910 if (appData.debugMode) {
1911 fprintf(debugFP, ">ICS: ");
1912 show_bytes(debugFP, s, count);
1913 fprintf(debugFP, "\n");
1915 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1917 if (outCount < count) {
1918 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1923 /* Remove all highlighting escape sequences in s
1924 Also deletes any suffix starting with '('
1927 StripHighlightAndTitle (char *s)
1929 static char retbuf[MSG_SIZ];
1932 while (*s != NULLCHAR) {
1933 while (*s == '\033') {
1934 while (*s != NULLCHAR && !isalpha(*s)) s++;
1935 if (*s != NULLCHAR) s++;
1937 while (*s != NULLCHAR && *s != '\033') {
1938 if (*s == '(' || *s == '[') {
1949 /* Remove all highlighting escape sequences in s */
1951 StripHighlight (char *s)
1953 static char retbuf[MSG_SIZ];
1956 while (*s != NULLCHAR) {
1957 while (*s == '\033') {
1958 while (*s != NULLCHAR && !isalpha(*s)) s++;
1959 if (*s != NULLCHAR) s++;
1961 while (*s != NULLCHAR && *s != '\033') {
1969 char *variantNames[] = VARIANT_NAMES;
1971 VariantName (VariantClass v)
1973 return variantNames[v];
1977 /* Identify a variant from the strings the chess servers use or the
1978 PGN Variant tag names we use. */
1980 StringToVariant (char *e)
1984 VariantClass v = VariantNormal;
1985 int i, found = FALSE;
1991 /* [HGM] skip over optional board-size prefixes */
1992 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1993 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1994 while( *e++ != '_');
1997 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2001 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2002 if (StrCaseStr(e, variantNames[i])) {
2003 v = (VariantClass) i;
2010 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2011 || StrCaseStr(e, "wild/fr")
2012 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2013 v = VariantFischeRandom;
2014 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2015 (i = 1, p = StrCaseStr(e, "w"))) {
2017 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2024 case 0: /* FICS only, actually */
2026 /* Castling legal even if K starts on d-file */
2027 v = VariantWildCastle;
2032 /* Castling illegal even if K & R happen to start in
2033 normal positions. */
2034 v = VariantNoCastle;
2047 /* Castling legal iff K & R start in normal positions */
2053 /* Special wilds for position setup; unclear what to do here */
2054 v = VariantLoadable;
2057 /* Bizarre ICC game */
2058 v = VariantTwoKings;
2061 v = VariantKriegspiel;
2067 v = VariantFischeRandom;
2070 v = VariantCrazyhouse;
2073 v = VariantBughouse;
2079 /* Not quite the same as FICS suicide! */
2080 v = VariantGiveaway;
2086 v = VariantShatranj;
2089 /* Temporary names for future ICC types. The name *will* change in
2090 the next xboard/WinBoard release after ICC defines it. */
2128 v = VariantCapablanca;
2131 v = VariantKnightmate;
2137 v = VariantCylinder;
2143 v = VariantCapaRandom;
2146 v = VariantBerolina;
2158 /* Found "wild" or "w" in the string but no number;
2159 must assume it's normal chess. */
2163 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2164 if( (len >= MSG_SIZ) && appData.debugMode )
2165 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2167 DisplayError(buf, 0);
2173 if (appData.debugMode) {
2174 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2175 e, wnum, VariantName(v));
2180 static int leftover_start = 0, leftover_len = 0;
2181 char star_match[STAR_MATCH_N][MSG_SIZ];
2183 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2184 advance *index beyond it, and set leftover_start to the new value of
2185 *index; else return FALSE. If pattern contains the character '*', it
2186 matches any sequence of characters not containing '\r', '\n', or the
2187 character following the '*' (if any), and the matched sequence(s) are
2188 copied into star_match.
2191 looking_at ( char *buf, int *index, char *pattern)
2193 char *bufp = &buf[*index], *patternp = pattern;
2195 char *matchp = star_match[0];
2198 if (*patternp == NULLCHAR) {
2199 *index = leftover_start = bufp - buf;
2203 if (*bufp == NULLCHAR) return FALSE;
2204 if (*patternp == '*') {
2205 if (*bufp == *(patternp + 1)) {
2207 matchp = star_match[++star_count];
2211 } else if (*bufp == '\n' || *bufp == '\r') {
2213 if (*patternp == NULLCHAR)
2218 *matchp++ = *bufp++;
2222 if (*patternp != *bufp) return FALSE;
2229 SendToPlayer (char *data, int length)
2231 int error, outCount;
2232 outCount = OutputToProcess(NoProc, data, length, &error);
2233 if (outCount < length) {
2234 DisplayFatalError(_("Error writing to display"), error, 1);
2239 PackHolding (char packed[], char *holding)
2249 switch (runlength) {
2260 sprintf(q, "%d", runlength);
2272 /* Telnet protocol requests from the front end */
2274 TelnetRequest (unsigned char ddww, unsigned char option)
2276 unsigned char msg[3];
2277 int outCount, outError;
2279 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2281 if (appData.debugMode) {
2282 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2298 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2307 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2310 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2315 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2317 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2324 if (!appData.icsActive) return;
2325 TelnetRequest(TN_DO, TN_ECHO);
2331 if (!appData.icsActive) return;
2332 TelnetRequest(TN_DONT, TN_ECHO);
2336 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2338 /* put the holdings sent to us by the server on the board holdings area */
2339 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2343 if(gameInfo.holdingsWidth < 2) return;
2344 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2345 return; // prevent overwriting by pre-board holdings
2347 if( (int)lowestPiece >= BlackPawn ) {
2350 holdingsStartRow = BOARD_HEIGHT-1;
2353 holdingsColumn = BOARD_WIDTH-1;
2354 countsColumn = BOARD_WIDTH-2;
2355 holdingsStartRow = 0;
2359 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2360 board[i][holdingsColumn] = EmptySquare;
2361 board[i][countsColumn] = (ChessSquare) 0;
2363 while( (p=*holdings++) != NULLCHAR ) {
2364 piece = CharToPiece( ToUpper(p) );
2365 if(piece == EmptySquare) continue;
2366 /*j = (int) piece - (int) WhitePawn;*/
2367 j = PieceToNumber(piece);
2368 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2369 if(j < 0) continue; /* should not happen */
2370 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2371 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2372 board[holdingsStartRow+j*direction][countsColumn]++;
2378 VariantSwitch (Board board, VariantClass newVariant)
2380 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2381 static Board oldBoard;
2383 startedFromPositionFile = FALSE;
2384 if(gameInfo.variant == newVariant) return;
2386 /* [HGM] This routine is called each time an assignment is made to
2387 * gameInfo.variant during a game, to make sure the board sizes
2388 * are set to match the new variant. If that means adding or deleting
2389 * holdings, we shift the playing board accordingly
2390 * This kludge is needed because in ICS observe mode, we get boards
2391 * of an ongoing game without knowing the variant, and learn about the
2392 * latter only later. This can be because of the move list we requested,
2393 * in which case the game history is refilled from the beginning anyway,
2394 * but also when receiving holdings of a crazyhouse game. In the latter
2395 * case we want to add those holdings to the already received position.
2399 if (appData.debugMode) {
2400 fprintf(debugFP, "Switch board from %s to %s\n",
2401 VariantName(gameInfo.variant), VariantName(newVariant));
2402 setbuf(debugFP, NULL);
2404 shuffleOpenings = 0; /* [HGM] shuffle */
2405 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2409 newWidth = 9; newHeight = 9;
2410 gameInfo.holdingsSize = 7;
2411 case VariantBughouse:
2412 case VariantCrazyhouse:
2413 newHoldingsWidth = 2; break;
2417 newHoldingsWidth = 2;
2418 gameInfo.holdingsSize = 8;
2421 case VariantCapablanca:
2422 case VariantCapaRandom:
2425 newHoldingsWidth = gameInfo.holdingsSize = 0;
2428 if(newWidth != gameInfo.boardWidth ||
2429 newHeight != gameInfo.boardHeight ||
2430 newHoldingsWidth != gameInfo.holdingsWidth ) {
2432 /* shift position to new playing area, if needed */
2433 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2434 for(i=0; i<BOARD_HEIGHT; i++)
2435 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2436 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2438 for(i=0; i<newHeight; i++) {
2439 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2440 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2442 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2443 for(i=0; i<BOARD_HEIGHT; i++)
2444 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2445 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2448 board[HOLDINGS_SET] = 0;
2449 gameInfo.boardWidth = newWidth;
2450 gameInfo.boardHeight = newHeight;
2451 gameInfo.holdingsWidth = newHoldingsWidth;
2452 gameInfo.variant = newVariant;
2453 InitDrawingSizes(-2, 0);
2454 } else gameInfo.variant = newVariant;
2455 CopyBoard(oldBoard, board); // remember correctly formatted board
2456 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2457 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2460 static int loggedOn = FALSE;
2462 /*-- Game start info cache: --*/
2464 char gs_kind[MSG_SIZ];
2465 static char player1Name[128] = "";
2466 static char player2Name[128] = "";
2467 static char cont_seq[] = "\n\\ ";
2468 static int player1Rating = -1;
2469 static int player2Rating = -1;
2470 /*----------------------------*/
2472 ColorClass curColor = ColorNormal;
2473 int suppressKibitz = 0;
2476 Boolean soughtPending = FALSE;
2477 Boolean seekGraphUp;
2478 #define MAX_SEEK_ADS 200
2480 char *seekAdList[MAX_SEEK_ADS];
2481 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2482 float tcList[MAX_SEEK_ADS];
2483 char colorList[MAX_SEEK_ADS];
2484 int nrOfSeekAds = 0;
2485 int minRating = 1010, maxRating = 2800;
2486 int hMargin = 10, vMargin = 20, h, w;
2487 extern int squareSize, lineGap;
2492 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2493 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2494 if(r < minRating+100 && r >=0 ) r = minRating+100;
2495 if(r > maxRating) r = maxRating;
2496 if(tc < 1.f) tc = 1.f;
2497 if(tc > 95.f) tc = 95.f;
2498 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2499 y = ((double)r - minRating)/(maxRating - minRating)
2500 * (h-vMargin-squareSize/8-1) + vMargin;
2501 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2502 if(strstr(seekAdList[i], " u ")) color = 1;
2503 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2504 !strstr(seekAdList[i], "bullet") &&
2505 !strstr(seekAdList[i], "blitz") &&
2506 !strstr(seekAdList[i], "standard") ) color = 2;
2507 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2508 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2512 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2514 char buf[MSG_SIZ], *ext = "";
2515 VariantClass v = StringToVariant(type);
2516 if(strstr(type, "wild")) {
2517 ext = type + 4; // append wild number
2518 if(v == VariantFischeRandom) type = "chess960"; else
2519 if(v == VariantLoadable) type = "setup"; else
2520 type = VariantName(v);
2522 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2523 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2524 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2525 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2526 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2527 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2528 seekNrList[nrOfSeekAds] = nr;
2529 zList[nrOfSeekAds] = 0;
2530 seekAdList[nrOfSeekAds++] = StrSave(buf);
2531 if(plot) PlotSeekAd(nrOfSeekAds-1);
2536 EraseSeekDot (int i)
2538 int x = xList[i], y = yList[i], d=squareSize/4, k;
2539 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2540 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2541 // now replot every dot that overlapped
2542 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2543 int xx = xList[k], yy = yList[k];
2544 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2545 DrawSeekDot(xx, yy, colorList[k]);
2550 RemoveSeekAd (int nr)
2553 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2555 if(seekAdList[i]) free(seekAdList[i]);
2556 seekAdList[i] = seekAdList[--nrOfSeekAds];
2557 seekNrList[i] = seekNrList[nrOfSeekAds];
2558 ratingList[i] = ratingList[nrOfSeekAds];
2559 colorList[i] = colorList[nrOfSeekAds];
2560 tcList[i] = tcList[nrOfSeekAds];
2561 xList[i] = xList[nrOfSeekAds];
2562 yList[i] = yList[nrOfSeekAds];
2563 zList[i] = zList[nrOfSeekAds];
2564 seekAdList[nrOfSeekAds] = NULL;
2570 MatchSoughtLine (char *line)
2572 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2573 int nr, base, inc, u=0; char dummy;
2575 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2576 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2578 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2579 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2580 // match: compact and save the line
2581 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2591 if(!seekGraphUp) return FALSE;
2592 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2593 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2595 DrawSeekBackground(0, 0, w, h);
2596 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2597 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2598 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2599 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2601 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2604 snprintf(buf, MSG_SIZ, "%d", i);
2605 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2608 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2609 for(i=1; i<100; i+=(i<10?1:5)) {
2610 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2611 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2612 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2614 snprintf(buf, MSG_SIZ, "%d", i);
2615 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2618 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2623 SeekGraphClick (ClickType click, int x, int y, int moving)
2625 static int lastDown = 0, displayed = 0, lastSecond;
2626 if(y < 0) return FALSE;
2627 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2628 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2629 if(!seekGraphUp) return FALSE;
2630 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2631 DrawPosition(TRUE, NULL);
2634 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2635 if(click == Release || moving) return FALSE;
2637 soughtPending = TRUE;
2638 SendToICS(ics_prefix);
2639 SendToICS("sought\n"); // should this be "sought all"?
2640 } else { // issue challenge based on clicked ad
2641 int dist = 10000; int i, closest = 0, second = 0;
2642 for(i=0; i<nrOfSeekAds; i++) {
2643 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2644 if(d < dist) { dist = d; closest = i; }
2645 second += (d - zList[i] < 120); // count in-range ads
2646 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2650 second = (second > 1);
2651 if(displayed != closest || second != lastSecond) {
2652 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2653 lastSecond = second; displayed = closest;
2655 if(click == Press) {
2656 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2659 } // on press 'hit', only show info
2660 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2661 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2662 SendToICS(ics_prefix);
2664 return TRUE; // let incoming board of started game pop down the graph
2665 } else if(click == Release) { // release 'miss' is ignored
2666 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2667 if(moving == 2) { // right up-click
2668 nrOfSeekAds = 0; // refresh graph
2669 soughtPending = TRUE;
2670 SendToICS(ics_prefix);
2671 SendToICS("sought\n"); // should this be "sought all"?
2674 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2675 // press miss or release hit 'pop down' seek graph
2676 seekGraphUp = FALSE;
2677 DrawPosition(TRUE, NULL);
2683 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2685 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2686 #define STARTED_NONE 0
2687 #define STARTED_MOVES 1
2688 #define STARTED_BOARD 2
2689 #define STARTED_OBSERVE 3
2690 #define STARTED_HOLDINGS 4
2691 #define STARTED_CHATTER 5
2692 #define STARTED_COMMENT 6
2693 #define STARTED_MOVES_NOHIDE 7
2695 static int started = STARTED_NONE;
2696 static char parse[20000];
2697 static int parse_pos = 0;
2698 static char buf[BUF_SIZE + 1];
2699 static int firstTime = TRUE, intfSet = FALSE;
2700 static ColorClass prevColor = ColorNormal;
2701 static int savingComment = FALSE;
2702 static int cmatch = 0; // continuation sequence match
2709 int backup; /* [DM] For zippy color lines */
2711 char talker[MSG_SIZ]; // [HGM] chat
2714 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2716 if (appData.debugMode) {
2718 fprintf(debugFP, "<ICS: ");
2719 show_bytes(debugFP, data, count);
2720 fprintf(debugFP, "\n");
2724 if (appData.debugMode) { int f = forwardMostMove;
2725 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2726 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2727 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2730 /* If last read ended with a partial line that we couldn't parse,
2731 prepend it to the new read and try again. */
2732 if (leftover_len > 0) {
2733 for (i=0; i<leftover_len; i++)
2734 buf[i] = buf[leftover_start + i];
2737 /* copy new characters into the buffer */
2738 bp = buf + leftover_len;
2739 buf_len=leftover_len;
2740 for (i=0; i<count; i++)
2743 if (data[i] == '\r')
2746 // join lines split by ICS?
2747 if (!appData.noJoin)
2750 Joining just consists of finding matches against the
2751 continuation sequence, and discarding that sequence
2752 if found instead of copying it. So, until a match
2753 fails, there's nothing to do since it might be the
2754 complete sequence, and thus, something we don't want
2757 if (data[i] == cont_seq[cmatch])
2760 if (cmatch == strlen(cont_seq))
2762 cmatch = 0; // complete match. just reset the counter
2765 it's possible for the ICS to not include the space
2766 at the end of the last word, making our [correct]
2767 join operation fuse two separate words. the server
2768 does this when the space occurs at the width setting.
2770 if (!buf_len || buf[buf_len-1] != ' ')
2781 match failed, so we have to copy what matched before
2782 falling through and copying this character. In reality,
2783 this will only ever be just the newline character, but
2784 it doesn't hurt to be precise.
2786 strncpy(bp, cont_seq, cmatch);
2798 buf[buf_len] = NULLCHAR;
2799 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2804 while (i < buf_len) {
2805 /* Deal with part of the TELNET option negotiation
2806 protocol. We refuse to do anything beyond the
2807 defaults, except that we allow the WILL ECHO option,
2808 which ICS uses to turn off password echoing when we are
2809 directly connected to it. We reject this option
2810 if localLineEditing mode is on (always on in xboard)
2811 and we are talking to port 23, which might be a real
2812 telnet server that will try to keep WILL ECHO on permanently.
2814 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2815 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2816 unsigned char option;
2818 switch ((unsigned char) buf[++i]) {
2820 if (appData.debugMode)
2821 fprintf(debugFP, "\n<WILL ");
2822 switch (option = (unsigned char) buf[++i]) {
2824 if (appData.debugMode)
2825 fprintf(debugFP, "ECHO ");
2826 /* Reply only if this is a change, according
2827 to the protocol rules. */
2828 if (remoteEchoOption) break;
2829 if (appData.localLineEditing &&
2830 atoi(appData.icsPort) == TN_PORT) {
2831 TelnetRequest(TN_DONT, TN_ECHO);
2834 TelnetRequest(TN_DO, TN_ECHO);
2835 remoteEchoOption = TRUE;
2839 if (appData.debugMode)
2840 fprintf(debugFP, "%d ", option);
2841 /* Whatever this is, we don't want it. */
2842 TelnetRequest(TN_DONT, option);
2847 if (appData.debugMode)
2848 fprintf(debugFP, "\n<WONT ");
2849 switch (option = (unsigned char) buf[++i]) {
2851 if (appData.debugMode)
2852 fprintf(debugFP, "ECHO ");
2853 /* Reply only if this is a change, according
2854 to the protocol rules. */
2855 if (!remoteEchoOption) break;
2857 TelnetRequest(TN_DONT, TN_ECHO);
2858 remoteEchoOption = FALSE;
2861 if (appData.debugMode)
2862 fprintf(debugFP, "%d ", (unsigned char) option);
2863 /* Whatever this is, it must already be turned
2864 off, because we never agree to turn on
2865 anything non-default, so according to the
2866 protocol rules, we don't reply. */
2871 if (appData.debugMode)
2872 fprintf(debugFP, "\n<DO ");
2873 switch (option = (unsigned char) buf[++i]) {
2875 /* Whatever this is, we refuse to do it. */
2876 if (appData.debugMode)
2877 fprintf(debugFP, "%d ", option);
2878 TelnetRequest(TN_WONT, option);
2883 if (appData.debugMode)
2884 fprintf(debugFP, "\n<DONT ");
2885 switch (option = (unsigned char) buf[++i]) {
2887 if (appData.debugMode)
2888 fprintf(debugFP, "%d ", option);
2889 /* Whatever this is, we are already not doing
2890 it, because we never agree to do anything
2891 non-default, so according to the protocol
2892 rules, we don't reply. */
2897 if (appData.debugMode)
2898 fprintf(debugFP, "\n<IAC ");
2899 /* Doubled IAC; pass it through */
2903 if (appData.debugMode)
2904 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2905 /* Drop all other telnet commands on the floor */
2908 if (oldi > next_out)
2909 SendToPlayer(&buf[next_out], oldi - next_out);
2915 /* OK, this at least will *usually* work */
2916 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2920 if (loggedOn && !intfSet) {
2921 if (ics_type == ICS_ICC) {
2922 snprintf(str, MSG_SIZ,
2923 "/set-quietly interface %s\n/set-quietly style 12\n",
2925 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2926 strcat(str, "/set-2 51 1\n/set seek 1\n");
2927 } else if (ics_type == ICS_CHESSNET) {
2928 snprintf(str, MSG_SIZ, "/style 12\n");
2930 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2931 strcat(str, programVersion);
2932 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2933 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2934 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2936 strcat(str, "$iset nohighlight 1\n");
2938 strcat(str, "$iset lock 1\n$style 12\n");
2941 NotifyFrontendLogin();
2945 if (started == STARTED_COMMENT) {
2946 /* Accumulate characters in comment */
2947 parse[parse_pos++] = buf[i];
2948 if (buf[i] == '\n') {
2949 parse[parse_pos] = NULLCHAR;
2950 if(chattingPartner>=0) {
2952 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2953 OutputChatMessage(chattingPartner, mess);
2954 chattingPartner = -1;
2955 next_out = i+1; // [HGM] suppress printing in ICS window
2957 if(!suppressKibitz) // [HGM] kibitz
2958 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2959 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2960 int nrDigit = 0, nrAlph = 0, j;
2961 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2962 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2963 parse[parse_pos] = NULLCHAR;
2964 // try to be smart: if it does not look like search info, it should go to
2965 // ICS interaction window after all, not to engine-output window.
2966 for(j=0; j<parse_pos; j++) { // count letters and digits
2967 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2968 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2969 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2971 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2972 int depth=0; float score;
2973 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2974 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2975 pvInfoList[forwardMostMove-1].depth = depth;
2976 pvInfoList[forwardMostMove-1].score = 100*score;
2978 OutputKibitz(suppressKibitz, parse);
2981 if(gameMode == IcsObserving) // restore original ICS messages
2982 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2984 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2985 SendToPlayer(tmp, strlen(tmp));
2987 next_out = i+1; // [HGM] suppress printing in ICS window
2989 started = STARTED_NONE;
2991 /* Don't match patterns against characters in comment */
2996 if (started == STARTED_CHATTER) {
2997 if (buf[i] != '\n') {
2998 /* Don't match patterns against characters in chatter */
3002 started = STARTED_NONE;
3003 if(suppressKibitz) next_out = i+1;
3006 /* Kludge to deal with rcmd protocol */
3007 if (firstTime && looking_at(buf, &i, "\001*")) {
3008 DisplayFatalError(&buf[1], 0, 1);
3014 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3017 if (appData.debugMode)
3018 fprintf(debugFP, "ics_type %d\n", ics_type);
3021 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3022 ics_type = ICS_FICS;
3024 if (appData.debugMode)
3025 fprintf(debugFP, "ics_type %d\n", ics_type);
3028 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3029 ics_type = ICS_CHESSNET;
3031 if (appData.debugMode)
3032 fprintf(debugFP, "ics_type %d\n", ics_type);
3037 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3038 looking_at(buf, &i, "Logging you in as \"*\"") ||
3039 looking_at(buf, &i, "will be \"*\""))) {
3040 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3044 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3046 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3047 DisplayIcsInteractionTitle(buf);
3048 have_set_title = TRUE;
3051 /* skip finger notes */
3052 if (started == STARTED_NONE &&
3053 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3054 (buf[i] == '1' && buf[i+1] == '0')) &&
3055 buf[i+2] == ':' && buf[i+3] == ' ') {
3056 started = STARTED_CHATTER;
3062 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3063 if(appData.seekGraph) {
3064 if(soughtPending && MatchSoughtLine(buf+i)) {
3065 i = strstr(buf+i, "rated") - buf;
3066 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3067 next_out = leftover_start = i;
3068 started = STARTED_CHATTER;
3069 suppressKibitz = TRUE;
3072 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3073 && looking_at(buf, &i, "* ads displayed")) {
3074 soughtPending = FALSE;
3079 if(appData.autoRefresh) {
3080 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3081 int s = (ics_type == ICS_ICC); // ICC format differs
3083 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3084 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3085 looking_at(buf, &i, "*% "); // eat prompt
3086 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3087 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3088 next_out = i; // suppress
3091 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3092 char *p = star_match[0];
3094 if(seekGraphUp) RemoveSeekAd(atoi(p));
3095 while(*p && *p++ != ' '); // next
3097 looking_at(buf, &i, "*% "); // eat prompt
3098 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3105 /* skip formula vars */
3106 if (started == STARTED_NONE &&
3107 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3108 started = STARTED_CHATTER;
3113 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3114 if (appData.autoKibitz && started == STARTED_NONE &&
3115 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3116 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3117 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3118 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3119 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3120 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3121 suppressKibitz = TRUE;
3122 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3124 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3125 && (gameMode == IcsPlayingWhite)) ||
3126 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3127 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3128 started = STARTED_CHATTER; // own kibitz we simply discard
3130 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3131 parse_pos = 0; parse[0] = NULLCHAR;
3132 savingComment = TRUE;
3133 suppressKibitz = gameMode != IcsObserving ? 2 :
3134 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3138 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3139 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3140 && atoi(star_match[0])) {
3141 // suppress the acknowledgements of our own autoKibitz
3143 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3144 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3145 SendToPlayer(star_match[0], strlen(star_match[0]));
3146 if(looking_at(buf, &i, "*% ")) // eat prompt
3147 suppressKibitz = FALSE;
3151 } // [HGM] kibitz: end of patch
3153 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3155 // [HGM] chat: intercept tells by users for which we have an open chat window
3157 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3158 looking_at(buf, &i, "* whispers:") ||
3159 looking_at(buf, &i, "* kibitzes:") ||
3160 looking_at(buf, &i, "* shouts:") ||
3161 looking_at(buf, &i, "* c-shouts:") ||
3162 looking_at(buf, &i, "--> * ") ||
3163 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3164 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3165 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3166 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3168 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3169 chattingPartner = -1;
3171 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3172 for(p=0; p<MAX_CHAT; p++) {
3173 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3174 talker[0] = '['; strcat(talker, "] ");
3175 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3176 chattingPartner = p; break;
3179 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3180 for(p=0; p<MAX_CHAT; p++) {
3181 if(!strcmp("kibitzes", chatPartner[p])) {
3182 talker[0] = '['; strcat(talker, "] ");
3183 chattingPartner = p; break;
3186 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3187 for(p=0; p<MAX_CHAT; p++) {
3188 if(!strcmp("whispers", chatPartner[p])) {
3189 talker[0] = '['; strcat(talker, "] ");
3190 chattingPartner = p; break;
3193 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3194 if(buf[i-8] == '-' && buf[i-3] == 't')
3195 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3196 if(!strcmp("c-shouts", chatPartner[p])) {
3197 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3198 chattingPartner = p; break;
3201 if(chattingPartner < 0)
3202 for(p=0; p<MAX_CHAT; p++) {
3203 if(!strcmp("shouts", chatPartner[p])) {
3204 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3205 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3206 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3207 chattingPartner = p; break;
3211 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3212 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3213 talker[0] = 0; Colorize(ColorTell, FALSE);
3214 chattingPartner = p; break;
3216 if(chattingPartner<0) i = oldi; else {
3217 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3218 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3219 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3220 started = STARTED_COMMENT;
3221 parse_pos = 0; parse[0] = NULLCHAR;
3222 savingComment = 3 + chattingPartner; // counts as TRUE
3223 suppressKibitz = TRUE;
3226 } // [HGM] chat: end of patch
3229 if (appData.zippyTalk || appData.zippyPlay) {
3230 /* [DM] Backup address for color zippy lines */
3232 if (loggedOn == TRUE)
3233 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3234 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3236 } // [DM] 'else { ' deleted
3238 /* Regular tells and says */
3239 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3240 looking_at(buf, &i, "* (your partner) tells you: ") ||
3241 looking_at(buf, &i, "* says: ") ||
3242 /* Don't color "message" or "messages" output */
3243 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3244 looking_at(buf, &i, "*. * at *:*: ") ||
3245 looking_at(buf, &i, "--* (*:*): ") ||
3246 /* Message notifications (same color as tells) */
3247 looking_at(buf, &i, "* has left a message ") ||
3248 looking_at(buf, &i, "* just sent you a message:\n") ||
3249 /* Whispers and kibitzes */
3250 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3251 looking_at(buf, &i, "* kibitzes: ") ||
3253 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3255 if (tkind == 1 && strchr(star_match[0], ':')) {
3256 /* Avoid "tells you:" spoofs in channels */
3259 if (star_match[0][0] == NULLCHAR ||
3260 strchr(star_match[0], ' ') ||
3261 (tkind == 3 && strchr(star_match[1], ' '))) {
3262 /* Reject bogus matches */
3265 if (appData.colorize) {
3266 if (oldi > next_out) {
3267 SendToPlayer(&buf[next_out], oldi - next_out);
3272 Colorize(ColorTell, FALSE);
3273 curColor = ColorTell;
3276 Colorize(ColorKibitz, FALSE);
3277 curColor = ColorKibitz;
3280 p = strrchr(star_match[1], '(');
3287 Colorize(ColorChannel1, FALSE);
3288 curColor = ColorChannel1;
3290 Colorize(ColorChannel, FALSE);
3291 curColor = ColorChannel;
3295 curColor = ColorNormal;
3299 if (started == STARTED_NONE && appData.autoComment &&
3300 (gameMode == IcsObserving ||
3301 gameMode == IcsPlayingWhite ||
3302 gameMode == IcsPlayingBlack)) {
3303 parse_pos = i - oldi;
3304 memcpy(parse, &buf[oldi], parse_pos);
3305 parse[parse_pos] = NULLCHAR;
3306 started = STARTED_COMMENT;
3307 savingComment = TRUE;
3309 started = STARTED_CHATTER;
3310 savingComment = FALSE;
3317 if (looking_at(buf, &i, "* s-shouts: ") ||
3318 looking_at(buf, &i, "* c-shouts: ")) {
3319 if (appData.colorize) {
3320 if (oldi > next_out) {
3321 SendToPlayer(&buf[next_out], oldi - next_out);
3324 Colorize(ColorSShout, FALSE);
3325 curColor = ColorSShout;
3328 started = STARTED_CHATTER;
3332 if (looking_at(buf, &i, "--->")) {
3337 if (looking_at(buf, &i, "* shouts: ") ||
3338 looking_at(buf, &i, "--> ")) {
3339 if (appData.colorize) {
3340 if (oldi > next_out) {
3341 SendToPlayer(&buf[next_out], oldi - next_out);
3344 Colorize(ColorShout, FALSE);
3345 curColor = ColorShout;
3348 started = STARTED_CHATTER;
3352 if (looking_at( buf, &i, "Challenge:")) {
3353 if (appData.colorize) {
3354 if (oldi > next_out) {
3355 SendToPlayer(&buf[next_out], oldi - next_out);
3358 Colorize(ColorChallenge, FALSE);
3359 curColor = ColorChallenge;
3365 if (looking_at(buf, &i, "* offers you") ||
3366 looking_at(buf, &i, "* offers to be") ||
3367 looking_at(buf, &i, "* would like to") ||
3368 looking_at(buf, &i, "* requests to") ||
3369 looking_at(buf, &i, "Your opponent offers") ||
3370 looking_at(buf, &i, "Your opponent requests")) {
3372 if (appData.colorize) {
3373 if (oldi > next_out) {
3374 SendToPlayer(&buf[next_out], oldi - next_out);
3377 Colorize(ColorRequest, FALSE);
3378 curColor = ColorRequest;
3383 if (looking_at(buf, &i, "* (*) seeking")) {
3384 if (appData.colorize) {
3385 if (oldi > next_out) {
3386 SendToPlayer(&buf[next_out], oldi - next_out);
3389 Colorize(ColorSeek, FALSE);
3390 curColor = ColorSeek;
3395 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3397 if (looking_at(buf, &i, "\\ ")) {
3398 if (prevColor != ColorNormal) {
3399 if (oldi > next_out) {
3400 SendToPlayer(&buf[next_out], oldi - next_out);
3403 Colorize(prevColor, TRUE);
3404 curColor = prevColor;
3406 if (savingComment) {
3407 parse_pos = i - oldi;
3408 memcpy(parse, &buf[oldi], parse_pos);
3409 parse[parse_pos] = NULLCHAR;
3410 started = STARTED_COMMENT;
3411 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3412 chattingPartner = savingComment - 3; // kludge to remember the box
3414 started = STARTED_CHATTER;
3419 if (looking_at(buf, &i, "Black Strength :") ||
3420 looking_at(buf, &i, "<<< style 10 board >>>") ||
3421 looking_at(buf, &i, "<10>") ||
3422 looking_at(buf, &i, "#@#")) {
3423 /* Wrong board style */
3425 SendToICS(ics_prefix);
3426 SendToICS("set style 12\n");
3427 SendToICS(ics_prefix);
3428 SendToICS("refresh\n");
3432 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3434 have_sent_ICS_logon = 1;
3438 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3439 (looking_at(buf, &i, "\n<12> ") ||
3440 looking_at(buf, &i, "<12> "))) {
3442 if (oldi > next_out) {
3443 SendToPlayer(&buf[next_out], oldi - next_out);
3446 started = STARTED_BOARD;
3451 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3452 looking_at(buf, &i, "<b1> ")) {
3453 if (oldi > next_out) {
3454 SendToPlayer(&buf[next_out], oldi - next_out);
3457 started = STARTED_HOLDINGS;
3462 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3464 /* Header for a move list -- first line */
3466 switch (ics_getting_history) {
3470 case BeginningOfGame:
3471 /* User typed "moves" or "oldmoves" while we
3472 were idle. Pretend we asked for these
3473 moves and soak them up so user can step
3474 through them and/or save them.
3477 gameMode = IcsObserving;
3480 ics_getting_history = H_GOT_UNREQ_HEADER;
3482 case EditGame: /*?*/
3483 case EditPosition: /*?*/
3484 /* Should above feature work in these modes too? */
3485 /* For now it doesn't */
3486 ics_getting_history = H_GOT_UNWANTED_HEADER;
3489 ics_getting_history = H_GOT_UNWANTED_HEADER;
3494 /* Is this the right one? */
3495 if (gameInfo.white && gameInfo.black &&
3496 strcmp(gameInfo.white, star_match[0]) == 0 &&
3497 strcmp(gameInfo.black, star_match[2]) == 0) {
3499 ics_getting_history = H_GOT_REQ_HEADER;
3502 case H_GOT_REQ_HEADER:
3503 case H_GOT_UNREQ_HEADER:
3504 case H_GOT_UNWANTED_HEADER:
3505 case H_GETTING_MOVES:
3506 /* Should not happen */
3507 DisplayError(_("Error gathering move list: two headers"), 0);
3508 ics_getting_history = H_FALSE;
3512 /* Save player ratings into gameInfo if needed */
3513 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3514 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3515 (gameInfo.whiteRating == -1 ||
3516 gameInfo.blackRating == -1)) {
3518 gameInfo.whiteRating = string_to_rating(star_match[1]);
3519 gameInfo.blackRating = string_to_rating(star_match[3]);
3520 if (appData.debugMode)
3521 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3522 gameInfo.whiteRating, gameInfo.blackRating);
3527 if (looking_at(buf, &i,
3528 "* * match, initial time: * minute*, increment: * second")) {
3529 /* Header for a move list -- second line */
3530 /* Initial board will follow if this is a wild game */
3531 if (gameInfo.event != NULL) free(gameInfo.event);
3532 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3533 gameInfo.event = StrSave(str);
3534 /* [HGM] we switched variant. Translate boards if needed. */
3535 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3539 if (looking_at(buf, &i, "Move ")) {
3540 /* Beginning of a move list */
3541 switch (ics_getting_history) {
3543 /* Normally should not happen */
3544 /* Maybe user hit reset while we were parsing */
3547 /* Happens if we are ignoring a move list that is not
3548 * the one we just requested. Common if the user
3549 * tries to observe two games without turning off
3552 case H_GETTING_MOVES:
3553 /* Should not happen */
3554 DisplayError(_("Error gathering move list: nested"), 0);
3555 ics_getting_history = H_FALSE;
3557 case H_GOT_REQ_HEADER:
3558 ics_getting_history = H_GETTING_MOVES;
3559 started = STARTED_MOVES;
3561 if (oldi > next_out) {
3562 SendToPlayer(&buf[next_out], oldi - next_out);
3565 case H_GOT_UNREQ_HEADER:
3566 ics_getting_history = H_GETTING_MOVES;
3567 started = STARTED_MOVES_NOHIDE;
3570 case H_GOT_UNWANTED_HEADER:
3571 ics_getting_history = H_FALSE;
3577 if (looking_at(buf, &i, "% ") ||
3578 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3579 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3580 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3581 soughtPending = FALSE;
3585 if(suppressKibitz) next_out = i;
3586 savingComment = FALSE;
3590 case STARTED_MOVES_NOHIDE:
3591 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3592 parse[parse_pos + i - oldi] = NULLCHAR;
3593 ParseGameHistory(parse);
3595 if (appData.zippyPlay && first.initDone) {
3596 FeedMovesToProgram(&first, forwardMostMove);
3597 if (gameMode == IcsPlayingWhite) {
3598 if (WhiteOnMove(forwardMostMove)) {
3599 if (first.sendTime) {
3600 if (first.useColors) {
3601 SendToProgram("black\n", &first);
3603 SendTimeRemaining(&first, TRUE);
3605 if (first.useColors) {
3606 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3608 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3609 first.maybeThinking = TRUE;
3611 if (first.usePlayother) {
3612 if (first.sendTime) {
3613 SendTimeRemaining(&first, TRUE);
3615 SendToProgram("playother\n", &first);
3621 } else if (gameMode == IcsPlayingBlack) {
3622 if (!WhiteOnMove(forwardMostMove)) {
3623 if (first.sendTime) {
3624 if (first.useColors) {
3625 SendToProgram("white\n", &first);
3627 SendTimeRemaining(&first, FALSE);
3629 if (first.useColors) {
3630 SendToProgram("black\n", &first);
3632 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3633 first.maybeThinking = TRUE;
3635 if (first.usePlayother) {
3636 if (first.sendTime) {
3637 SendTimeRemaining(&first, FALSE);
3639 SendToProgram("playother\n", &first);
3648 if (gameMode == IcsObserving && ics_gamenum == -1) {
3649 /* Moves came from oldmoves or moves command
3650 while we weren't doing anything else.
3652 currentMove = forwardMostMove;
3653 ClearHighlights();/*!!could figure this out*/
3654 flipView = appData.flipView;
3655 DrawPosition(TRUE, boards[currentMove]);
3656 DisplayBothClocks();
3657 snprintf(str, MSG_SIZ, "%s %s %s",
3658 gameInfo.white, _("vs."), gameInfo.black);
3662 /* Moves were history of an active game */
3663 if (gameInfo.resultDetails != NULL) {
3664 free(gameInfo.resultDetails);
3665 gameInfo.resultDetails = NULL;
3668 HistorySet(parseList, backwardMostMove,
3669 forwardMostMove, currentMove-1);
3670 DisplayMove(currentMove - 1);
3671 if (started == STARTED_MOVES) next_out = i;
3672 started = STARTED_NONE;
3673 ics_getting_history = H_FALSE;
3676 case STARTED_OBSERVE:
3677 started = STARTED_NONE;
3678 SendToICS(ics_prefix);
3679 SendToICS("refresh\n");
3685 if(bookHit) { // [HGM] book: simulate book reply
3686 static char bookMove[MSG_SIZ]; // a bit generous?
3688 programStats.nodes = programStats.depth = programStats.time =
3689 programStats.score = programStats.got_only_move = 0;
3690 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3692 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3693 strcat(bookMove, bookHit);
3694 HandleMachineMove(bookMove, &first);
3699 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3700 started == STARTED_HOLDINGS ||
3701 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3702 /* Accumulate characters in move list or board */
3703 parse[parse_pos++] = buf[i];
3706 /* Start of game messages. Mostly we detect start of game
3707 when the first board image arrives. On some versions
3708 of the ICS, though, we need to do a "refresh" after starting
3709 to observe in order to get the current board right away. */
3710 if (looking_at(buf, &i, "Adding game * to observation list")) {
3711 started = STARTED_OBSERVE;
3715 /* Handle auto-observe */
3716 if (appData.autoObserve &&
3717 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3718 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3720 /* Choose the player that was highlighted, if any. */
3721 if (star_match[0][0] == '\033' ||
3722 star_match[1][0] != '\033') {
3723 player = star_match[0];
3725 player = star_match[2];
3727 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3728 ics_prefix, StripHighlightAndTitle(player));
3731 /* Save ratings from notify string */
3732 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3733 player1Rating = string_to_rating(star_match[1]);
3734 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3735 player2Rating = string_to_rating(star_match[3]);
3737 if (appData.debugMode)
3739 "Ratings from 'Game notification:' %s %d, %s %d\n",
3740 player1Name, player1Rating,
3741 player2Name, player2Rating);
3746 /* Deal with automatic examine mode after a game,
3747 and with IcsObserving -> IcsExamining transition */
3748 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3749 looking_at(buf, &i, "has made you an examiner of game *")) {
3751 int gamenum = atoi(star_match[0]);
3752 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3753 gamenum == ics_gamenum) {
3754 /* We were already playing or observing this game;
3755 no need to refetch history */
3756 gameMode = IcsExamining;
3758 pauseExamForwardMostMove = forwardMostMove;
3759 } else if (currentMove < forwardMostMove) {
3760 ForwardInner(forwardMostMove);
3763 /* I don't think this case really can happen */
3764 SendToICS(ics_prefix);
3765 SendToICS("refresh\n");
3770 /* Error messages */
3771 // if (ics_user_moved) {
3772 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3773 if (looking_at(buf, &i, "Illegal move") ||
3774 looking_at(buf, &i, "Not a legal move") ||
3775 looking_at(buf, &i, "Your king is in check") ||
3776 looking_at(buf, &i, "It isn't your turn") ||
3777 looking_at(buf, &i, "It is not your move")) {
3779 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3780 currentMove = forwardMostMove-1;
3781 DisplayMove(currentMove - 1); /* before DMError */
3782 DrawPosition(FALSE, boards[currentMove]);
3783 SwitchClocks(forwardMostMove-1); // [HGM] race
3784 DisplayBothClocks();
3786 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3792 if (looking_at(buf, &i, "still have time") ||
3793 looking_at(buf, &i, "not out of time") ||
3794 looking_at(buf, &i, "either player is out of time") ||
3795 looking_at(buf, &i, "has timeseal; checking")) {
3796 /* We must have called his flag a little too soon */
3797 whiteFlag = blackFlag = FALSE;
3801 if (looking_at(buf, &i, "added * seconds to") ||
3802 looking_at(buf, &i, "seconds were added to")) {
3803 /* Update the clocks */
3804 SendToICS(ics_prefix);
3805 SendToICS("refresh\n");
3809 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3810 ics_clock_paused = TRUE;
3815 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3816 ics_clock_paused = FALSE;
3821 /* Grab player ratings from the Creating: message.
3822 Note we have to check for the special case when
3823 the ICS inserts things like [white] or [black]. */
3824 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3825 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3827 0 player 1 name (not necessarily white)
3829 2 empty, white, or black (IGNORED)
3830 3 player 2 name (not necessarily black)
3833 The names/ratings are sorted out when the game
3834 actually starts (below).
3836 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3837 player1Rating = string_to_rating(star_match[1]);
3838 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3839 player2Rating = string_to_rating(star_match[4]);
3841 if (appData.debugMode)
3843 "Ratings from 'Creating:' %s %d, %s %d\n",
3844 player1Name, player1Rating,
3845 player2Name, player2Rating);
3850 /* Improved generic start/end-of-game messages */
3851 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3852 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3853 /* If tkind == 0: */
3854 /* star_match[0] is the game number */
3855 /* [1] is the white player's name */
3856 /* [2] is the black player's name */
3857 /* For end-of-game: */
3858 /* [3] is the reason for the game end */
3859 /* [4] is a PGN end game-token, preceded by " " */
3860 /* For start-of-game: */
3861 /* [3] begins with "Creating" or "Continuing" */
3862 /* [4] is " *" or empty (don't care). */
3863 int gamenum = atoi(star_match[0]);
3864 char *whitename, *blackname, *why, *endtoken;
3865 ChessMove endtype = EndOfFile;
3868 whitename = star_match[1];
3869 blackname = star_match[2];
3870 why = star_match[3];
3871 endtoken = star_match[4];
3873 whitename = star_match[1];
3874 blackname = star_match[3];
3875 why = star_match[5];
3876 endtoken = star_match[6];
3879 /* Game start messages */
3880 if (strncmp(why, "Creating ", 9) == 0 ||
3881 strncmp(why, "Continuing ", 11) == 0) {
3882 gs_gamenum = gamenum;
3883 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3884 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3885 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3887 if (appData.zippyPlay) {
3888 ZippyGameStart(whitename, blackname);
3891 partnerBoardValid = FALSE; // [HGM] bughouse
3895 /* Game end messages */
3896 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3897 ics_gamenum != gamenum) {
3900 while (endtoken[0] == ' ') endtoken++;
3901 switch (endtoken[0]) {
3904 endtype = GameUnfinished;
3907 endtype = BlackWins;
3910 if (endtoken[1] == '/')
3911 endtype = GameIsDrawn;
3913 endtype = WhiteWins;
3916 GameEnds(endtype, why, GE_ICS);
3918 if (appData.zippyPlay && first.initDone) {
3919 ZippyGameEnd(endtype, why);
3920 if (first.pr == NoProc) {
3921 /* Start the next process early so that we'll
3922 be ready for the next challenge */
3923 StartChessProgram(&first);
3925 /* Send "new" early, in case this command takes
3926 a long time to finish, so that we'll be ready
3927 for the next challenge. */
3928 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3932 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3936 if (looking_at(buf, &i, "Removing game * from observation") ||
3937 looking_at(buf, &i, "no longer observing game *") ||
3938 looking_at(buf, &i, "Game * (*) has no examiners")) {
3939 if (gameMode == IcsObserving &&
3940 atoi(star_match[0]) == ics_gamenum)
3942 /* icsEngineAnalyze */
3943 if (appData.icsEngineAnalyze) {
3950 ics_user_moved = FALSE;
3955 if (looking_at(buf, &i, "no longer examining game *")) {
3956 if (gameMode == IcsExamining &&
3957 atoi(star_match[0]) == ics_gamenum)
3961 ics_user_moved = FALSE;
3966 /* Advance leftover_start past any newlines we find,
3967 so only partial lines can get reparsed */
3968 if (looking_at(buf, &i, "\n")) {
3969 prevColor = curColor;
3970 if (curColor != ColorNormal) {
3971 if (oldi > next_out) {
3972 SendToPlayer(&buf[next_out], oldi - next_out);
3975 Colorize(ColorNormal, FALSE);
3976 curColor = ColorNormal;
3978 if (started == STARTED_BOARD) {
3979 started = STARTED_NONE;
3980 parse[parse_pos] = NULLCHAR;
3981 ParseBoard12(parse);
3984 /* Send premove here */
3985 if (appData.premove) {
3987 if (currentMove == 0 &&
3988 gameMode == IcsPlayingWhite &&
3989 appData.premoveWhite) {
3990 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3991 if (appData.debugMode)
3992 fprintf(debugFP, "Sending premove:\n");
3994 } else if (currentMove == 1 &&
3995 gameMode == IcsPlayingBlack &&
3996 appData.premoveBlack) {
3997 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3998 if (appData.debugMode)
3999 fprintf(debugFP, "Sending premove:\n");
4001 } else if (gotPremove) {
4003 ClearPremoveHighlights();
4004 if (appData.debugMode)
4005 fprintf(debugFP, "Sending premove:\n");
4006 UserMoveEvent(premoveFromX, premoveFromY,
4007 premoveToX, premoveToY,
4012 /* Usually suppress following prompt */
4013 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4014 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4015 if (looking_at(buf, &i, "*% ")) {
4016 savingComment = FALSE;
4021 } else if (started == STARTED_HOLDINGS) {
4023 char new_piece[MSG_SIZ];
4024 started = STARTED_NONE;
4025 parse[parse_pos] = NULLCHAR;
4026 if (appData.debugMode)
4027 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4028 parse, currentMove);
4029 if (sscanf(parse, " game %d", &gamenum) == 1) {
4030 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4031 if (gameInfo.variant == VariantNormal) {
4032 /* [HGM] We seem to switch variant during a game!
4033 * Presumably no holdings were displayed, so we have
4034 * to move the position two files to the right to
4035 * create room for them!
4037 VariantClass newVariant;
4038 switch(gameInfo.boardWidth) { // base guess on board width
4039 case 9: newVariant = VariantShogi; break;
4040 case 10: newVariant = VariantGreat; break;
4041 default: newVariant = VariantCrazyhouse; break;
4043 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4044 /* Get a move list just to see the header, which
4045 will tell us whether this is really bug or zh */
4046 if (ics_getting_history == H_FALSE) {
4047 ics_getting_history = H_REQUESTED;
4048 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4052 new_piece[0] = NULLCHAR;
4053 sscanf(parse, "game %d white [%s black [%s <- %s",
4054 &gamenum, white_holding, black_holding,
4056 white_holding[strlen(white_holding)-1] = NULLCHAR;
4057 black_holding[strlen(black_holding)-1] = NULLCHAR;
4058 /* [HGM] copy holdings to board holdings area */
4059 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4060 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4061 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4063 if (appData.zippyPlay && first.initDone) {
4064 ZippyHoldings(white_holding, black_holding,
4068 if (tinyLayout || smallLayout) {
4069 char wh[16], bh[16];
4070 PackHolding(wh, white_holding);
4071 PackHolding(bh, black_holding);
4072 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4073 gameInfo.white, gameInfo.black);
4075 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4076 gameInfo.white, white_holding, _("vs."),
4077 gameInfo.black, black_holding);
4079 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4080 DrawPosition(FALSE, boards[currentMove]);
4082 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4083 sscanf(parse, "game %d white [%s black [%s <- %s",
4084 &gamenum, white_holding, black_holding,
4086 white_holding[strlen(white_holding)-1] = NULLCHAR;
4087 black_holding[strlen(black_holding)-1] = NULLCHAR;
4088 /* [HGM] copy holdings to partner-board holdings area */
4089 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4090 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4091 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4092 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4093 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4096 /* Suppress following prompt */
4097 if (looking_at(buf, &i, "*% ")) {
4098 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4099 savingComment = FALSE;
4107 i++; /* skip unparsed character and loop back */
4110 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4111 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4112 // SendToPlayer(&buf[next_out], i - next_out);
4113 started != STARTED_HOLDINGS && leftover_start > next_out) {
4114 SendToPlayer(&buf[next_out], leftover_start - next_out);
4118 leftover_len = buf_len - leftover_start;
4119 /* if buffer ends with something we couldn't parse,
4120 reparse it after appending the next read */
4122 } else if (count == 0) {
4123 RemoveInputSource(isr);
4124 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4126 DisplayFatalError(_("Error reading from ICS"), error, 1);
4131 /* Board style 12 looks like this:
4133 <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
4135 * The "<12> " is stripped before it gets to this routine. The two
4136 * trailing 0's (flip state and clock ticking) are later addition, and
4137 * some chess servers may not have them, or may have only the first.
4138 * Additional trailing fields may be added in the future.
4141 #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"
4143 #define RELATION_OBSERVING_PLAYED 0
4144 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4145 #define RELATION_PLAYING_MYMOVE 1
4146 #define RELATION_PLAYING_NOTMYMOVE -1
4147 #define RELATION_EXAMINING 2
4148 #define RELATION_ISOLATED_BOARD -3
4149 #define RELATION_STARTING_POSITION -4 /* FICS only */
4152 ParseBoard12 (char *string)
4154 GameMode newGameMode;
4155 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4156 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4157 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4158 char to_play, board_chars[200];
4159 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4160 char black[32], white[32];
4162 int prevMove = currentMove;
4165 int fromX, fromY, toX, toY;
4167 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4168 char *bookHit = NULL; // [HGM] book
4169 Boolean weird = FALSE, reqFlag = FALSE;
4171 fromX = fromY = toX = toY = -1;
4175 if (appData.debugMode)
4176 fprintf(debugFP, _("Parsing board: %s\n"), string);
4178 move_str[0] = NULLCHAR;
4179 elapsed_time[0] = NULLCHAR;
4180 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4182 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4183 if(string[i] == ' ') { ranks++; files = 0; }
4185 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4188 for(j = 0; j <i; j++) board_chars[j] = string[j];
4189 board_chars[i] = '\0';
4192 n = sscanf(string, PATTERN, &to_play, &double_push,
4193 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4194 &gamenum, white, black, &relation, &basetime, &increment,
4195 &white_stren, &black_stren, &white_time, &black_time,
4196 &moveNum, str, elapsed_time, move_str, &ics_flip,
4200 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4201 DisplayError(str, 0);
4205 /* Convert the move number to internal form */
4206 moveNum = (moveNum - 1) * 2;
4207 if (to_play == 'B') moveNum++;
4208 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4209 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4215 case RELATION_OBSERVING_PLAYED:
4216 case RELATION_OBSERVING_STATIC:
4217 if (gamenum == -1) {
4218 /* Old ICC buglet */
4219 relation = RELATION_OBSERVING_STATIC;
4221 newGameMode = IcsObserving;
4223 case RELATION_PLAYING_MYMOVE:
4224 case RELATION_PLAYING_NOTMYMOVE:
4226 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4227 IcsPlayingWhite : IcsPlayingBlack;
4228 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4230 case RELATION_EXAMINING:
4231 newGameMode = IcsExamining;
4233 case RELATION_ISOLATED_BOARD:
4235 /* Just display this board. If user was doing something else,
4236 we will forget about it until the next board comes. */
4237 newGameMode = IcsIdle;
4239 case RELATION_STARTING_POSITION:
4240 newGameMode = gameMode;
4244 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4245 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4246 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4247 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4248 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4249 static int lastBgGame = -1;
4251 for (k = 0; k < ranks; k++) {
4252 for (j = 0; j < files; j++)
4253 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4254 if(gameInfo.holdingsWidth > 1) {
4255 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4256 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4259 CopyBoard(partnerBoard, board);
4260 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4261 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4262 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4263 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4264 if(toSqr = strchr(str, '-')) {
4265 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4266 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4267 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4268 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4269 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4270 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4272 DisplayWhiteClock(white_time*fac, to_play == 'W');
4273 DisplayBlackClock(black_time*fac, to_play != 'W');
4274 activePartner = to_play;
4275 if(gamenum != lastBgGame) {
4277 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4280 lastBgGame = gamenum;
4281 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4282 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4283 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4284 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4285 DisplayMessage(partnerStatus, "");
4286 partnerBoardValid = TRUE;
4290 if(appData.dualBoard && appData.bgObserve) {
4291 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4292 SendToICS(ics_prefix), SendToICS("pobserve\n");
4293 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4295 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4300 /* Modify behavior for initial board display on move listing
4303 switch (ics_getting_history) {
4307 case H_GOT_REQ_HEADER:
4308 case H_GOT_UNREQ_HEADER:
4309 /* This is the initial position of the current game */
4310 gamenum = ics_gamenum;
4311 moveNum = 0; /* old ICS bug workaround */
4312 if (to_play == 'B') {
4313 startedFromSetupPosition = TRUE;
4314 blackPlaysFirst = TRUE;
4316 if (forwardMostMove == 0) forwardMostMove = 1;
4317 if (backwardMostMove == 0) backwardMostMove = 1;
4318 if (currentMove == 0) currentMove = 1;
4320 newGameMode = gameMode;
4321 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4323 case H_GOT_UNWANTED_HEADER:
4324 /* This is an initial board that we don't want */
4326 case H_GETTING_MOVES:
4327 /* Should not happen */
4328 DisplayError(_("Error gathering move list: extra board"), 0);
4329 ics_getting_history = H_FALSE;
4333 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4334 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4335 weird && (int)gameInfo.variant < (int)VariantShogi) {
4336 /* [HGM] We seem to have switched variant unexpectedly
4337 * Try to guess new variant from board size
4339 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4340 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4341 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4342 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4343 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4344 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4345 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4346 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4347 /* Get a move list just to see the header, which
4348 will tell us whether this is really bug or zh */
4349 if (ics_getting_history == H_FALSE) {
4350 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4351 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4356 /* Take action if this is the first board of a new game, or of a
4357 different game than is currently being displayed. */
4358 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4359 relation == RELATION_ISOLATED_BOARD) {
4361 /* Forget the old game and get the history (if any) of the new one */
4362 if (gameMode != BeginningOfGame) {
4366 if (appData.autoRaiseBoard) BoardToTop();
4368 if (gamenum == -1) {
4369 newGameMode = IcsIdle;
4370 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4371 appData.getMoveList && !reqFlag) {
4372 /* Need to get game history */
4373 ics_getting_history = H_REQUESTED;
4374 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4378 /* Initially flip the board to have black on the bottom if playing
4379 black or if the ICS flip flag is set, but let the user change
4380 it with the Flip View button. */
4381 flipView = appData.autoFlipView ?
4382 (newGameMode == IcsPlayingBlack) || ics_flip :
4385 /* Done with values from previous mode; copy in new ones */
4386 gameMode = newGameMode;
4388 ics_gamenum = gamenum;
4389 if (gamenum == gs_gamenum) {
4390 int klen = strlen(gs_kind);
4391 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4392 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4393 gameInfo.event = StrSave(str);
4395 gameInfo.event = StrSave("ICS game");
4397 gameInfo.site = StrSave(appData.icsHost);
4398 gameInfo.date = PGNDate();
4399 gameInfo.round = StrSave("-");
4400 gameInfo.white = StrSave(white);
4401 gameInfo.black = StrSave(black);
4402 timeControl = basetime * 60 * 1000;
4404 timeIncrement = increment * 1000;
4405 movesPerSession = 0;
4406 gameInfo.timeControl = TimeControlTagValue();
4407 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4408 if (appData.debugMode) {
4409 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4410 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4411 setbuf(debugFP, NULL);
4414 gameInfo.outOfBook = NULL;
4416 /* Do we have the ratings? */
4417 if (strcmp(player1Name, white) == 0 &&
4418 strcmp(player2Name, black) == 0) {
4419 if (appData.debugMode)
4420 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4421 player1Rating, player2Rating);
4422 gameInfo.whiteRating = player1Rating;
4423 gameInfo.blackRating = player2Rating;
4424 } else if (strcmp(player2Name, white) == 0 &&
4425 strcmp(player1Name, black) == 0) {
4426 if (appData.debugMode)
4427 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4428 player2Rating, player1Rating);
4429 gameInfo.whiteRating = player2Rating;
4430 gameInfo.blackRating = player1Rating;
4432 player1Name[0] = player2Name[0] = NULLCHAR;
4434 /* Silence shouts if requested */
4435 if (appData.quietPlay &&
4436 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4437 SendToICS(ics_prefix);
4438 SendToICS("set shout 0\n");
4442 /* Deal with midgame name changes */
4444 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4445 if (gameInfo.white) free(gameInfo.white);
4446 gameInfo.white = StrSave(white);
4448 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4449 if (gameInfo.black) free(gameInfo.black);
4450 gameInfo.black = StrSave(black);
4454 /* Throw away game result if anything actually changes in examine mode */
4455 if (gameMode == IcsExamining && !newGame) {
4456 gameInfo.result = GameUnfinished;
4457 if (gameInfo.resultDetails != NULL) {
4458 free(gameInfo.resultDetails);
4459 gameInfo.resultDetails = NULL;
4463 /* In pausing && IcsExamining mode, we ignore boards coming
4464 in if they are in a different variation than we are. */
4465 if (pauseExamInvalid) return;
4466 if (pausing && gameMode == IcsExamining) {
4467 if (moveNum <= pauseExamForwardMostMove) {
4468 pauseExamInvalid = TRUE;
4469 forwardMostMove = pauseExamForwardMostMove;
4474 if (appData.debugMode) {
4475 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4477 /* Parse the board */
4478 for (k = 0; k < ranks; k++) {
4479 for (j = 0; j < files; j++)
4480 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4481 if(gameInfo.holdingsWidth > 1) {
4482 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4483 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4486 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4487 board[5][BOARD_RGHT+1] = WhiteAngel;
4488 board[6][BOARD_RGHT+1] = WhiteMarshall;
4489 board[1][0] = BlackMarshall;
4490 board[2][0] = BlackAngel;
4491 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4493 CopyBoard(boards[moveNum], board);
4494 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4496 startedFromSetupPosition =
4497 !CompareBoards(board, initialPosition);
4498 if(startedFromSetupPosition)
4499 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4502 /* [HGM] Set castling rights. Take the outermost Rooks,
4503 to make it also work for FRC opening positions. Note that board12
4504 is really defective for later FRC positions, as it has no way to
4505 indicate which Rook can castle if they are on the same side of King.
4506 For the initial position we grant rights to the outermost Rooks,
4507 and remember thos rights, and we then copy them on positions
4508 later in an FRC game. This means WB might not recognize castlings with
4509 Rooks that have moved back to their original position as illegal,
4510 but in ICS mode that is not its job anyway.
4512 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4513 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4515 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4516 if(board[0][i] == WhiteRook) j = i;
4517 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4518 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4519 if(board[0][i] == WhiteRook) j = i;
4520 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4521 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4522 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4523 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4524 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4525 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4526 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4528 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4529 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4530 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4531 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4532 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4533 if(board[BOARD_HEIGHT-1][k] == bKing)
4534 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4535 if(gameInfo.variant == VariantTwoKings) {
4536 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4537 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4538 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4541 r = boards[moveNum][CASTLING][0] = initialRights[0];
4542 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4543 r = boards[moveNum][CASTLING][1] = initialRights[1];
4544 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4545 r = boards[moveNum][CASTLING][3] = initialRights[3];
4546 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4547 r = boards[moveNum][CASTLING][4] = initialRights[4];
4548 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4549 /* wildcastle kludge: always assume King has rights */
4550 r = boards[moveNum][CASTLING][2] = initialRights[2];
4551 r = boards[moveNum][CASTLING][5] = initialRights[5];
4553 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4554 boards[moveNum][EP_STATUS] = EP_NONE;
4555 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4556 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4557 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4560 if (ics_getting_history == H_GOT_REQ_HEADER ||
4561 ics_getting_history == H_GOT_UNREQ_HEADER) {
4562 /* This was an initial position from a move list, not
4563 the current position */
4567 /* Update currentMove and known move number limits */
4568 newMove = newGame || moveNum > forwardMostMove;
4571 forwardMostMove = backwardMostMove = currentMove = moveNum;
4572 if (gameMode == IcsExamining && moveNum == 0) {
4573 /* Workaround for ICS limitation: we are not told the wild
4574 type when starting to examine a game. But if we ask for
4575 the move list, the move list header will tell us */
4576 ics_getting_history = H_REQUESTED;
4577 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4580 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4581 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4583 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4584 /* [HGM] applied this also to an engine that is silently watching */
4585 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4586 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4587 gameInfo.variant == currentlyInitializedVariant) {
4588 takeback = forwardMostMove - moveNum;
4589 for (i = 0; i < takeback; i++) {
4590 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4591 SendToProgram("undo\n", &first);
4596 forwardMostMove = moveNum;
4597 if (!pausing || currentMove > forwardMostMove)
4598 currentMove = forwardMostMove;
4600 /* New part of history that is not contiguous with old part */
4601 if (pausing && gameMode == IcsExamining) {
4602 pauseExamInvalid = TRUE;
4603 forwardMostMove = pauseExamForwardMostMove;
4606 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4608 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4609 // [HGM] when we will receive the move list we now request, it will be
4610 // fed to the engine from the first move on. So if the engine is not
4611 // in the initial position now, bring it there.
4612 InitChessProgram(&first, 0);
4615 ics_getting_history = H_REQUESTED;
4616 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4619 forwardMostMove = backwardMostMove = currentMove = moveNum;
4622 /* Update the clocks */
4623 if (strchr(elapsed_time, '.')) {
4625 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4626 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4628 /* Time is in seconds */
4629 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4630 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4635 if (appData.zippyPlay && newGame &&
4636 gameMode != IcsObserving && gameMode != IcsIdle &&
4637 gameMode != IcsExamining)
4638 ZippyFirstBoard(moveNum, basetime, increment);
4641 /* Put the move on the move list, first converting
4642 to canonical algebraic form. */
4644 if (appData.debugMode) {
4645 if (appData.debugMode) { int f = forwardMostMove;
4646 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4647 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4648 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4650 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4651 fprintf(debugFP, "moveNum = %d\n", moveNum);
4652 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4653 setbuf(debugFP, NULL);
4655 if (moveNum <= backwardMostMove) {
4656 /* We don't know what the board looked like before
4658 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4659 strcat(parseList[moveNum - 1], " ");
4660 strcat(parseList[moveNum - 1], elapsed_time);
4661 moveList[moveNum - 1][0] = NULLCHAR;
4662 } else if (strcmp(move_str, "none") == 0) {
4663 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4664 /* Again, we don't know what the board looked like;
4665 this is really the start of the game. */
4666 parseList[moveNum - 1][0] = NULLCHAR;
4667 moveList[moveNum - 1][0] = NULLCHAR;
4668 backwardMostMove = moveNum;
4669 startedFromSetupPosition = TRUE;
4670 fromX = fromY = toX = toY = -1;
4672 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4673 // So we parse the long-algebraic move string in stead of the SAN move
4674 int valid; char buf[MSG_SIZ], *prom;
4676 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4677 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4678 // str looks something like "Q/a1-a2"; kill the slash
4680 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4681 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4682 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4683 strcat(buf, prom); // long move lacks promo specification!
4684 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4685 if(appData.debugMode)
4686 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4687 safeStrCpy(move_str, buf, MSG_SIZ);
4689 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4690 &fromX, &fromY, &toX, &toY, &promoChar)
4691 || ParseOneMove(buf, moveNum - 1, &moveType,
4692 &fromX, &fromY, &toX, &toY, &promoChar);
4693 // end of long SAN patch
4695 (void) CoordsToAlgebraic(boards[moveNum - 1],
4696 PosFlags(moveNum - 1),
4697 fromY, fromX, toY, toX, promoChar,
4698 parseList[moveNum-1]);
4699 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4705 if(gameInfo.variant != VariantShogi)
4706 strcat(parseList[moveNum - 1], "+");
4709 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4710 strcat(parseList[moveNum - 1], "#");
4713 strcat(parseList[moveNum - 1], " ");
4714 strcat(parseList[moveNum - 1], elapsed_time);
4715 /* currentMoveString is set as a side-effect of ParseOneMove */
4716 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4717 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4718 strcat(moveList[moveNum - 1], "\n");
4720 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4721 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4722 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4723 ChessSquare old, new = boards[moveNum][k][j];
4724 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4725 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4726 if(old == new) continue;
4727 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4728 else if(new == WhiteWazir || new == BlackWazir) {
4729 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4730 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4731 else boards[moveNum][k][j] = old; // preserve type of Gold
4732 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4733 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4736 /* Move from ICS was illegal!? Punt. */
4737 if (appData.debugMode) {
4738 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4739 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4741 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4742 strcat(parseList[moveNum - 1], " ");
4743 strcat(parseList[moveNum - 1], elapsed_time);
4744 moveList[moveNum - 1][0] = NULLCHAR;
4745 fromX = fromY = toX = toY = -1;
4748 if (appData.debugMode) {
4749 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4750 setbuf(debugFP, NULL);
4754 /* Send move to chess program (BEFORE animating it). */
4755 if (appData.zippyPlay && !newGame && newMove &&
4756 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4758 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4759 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4760 if (moveList[moveNum - 1][0] == NULLCHAR) {
4761 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4763 DisplayError(str, 0);
4765 if (first.sendTime) {
4766 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4768 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4769 if (firstMove && !bookHit) {
4771 if (first.useColors) {
4772 SendToProgram(gameMode == IcsPlayingWhite ?
4774 "black\ngo\n", &first);
4776 SendToProgram("go\n", &first);
4778 first.maybeThinking = TRUE;
4781 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4782 if (moveList[moveNum - 1][0] == NULLCHAR) {
4783 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4784 DisplayError(str, 0);
4786 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4787 SendMoveToProgram(moveNum - 1, &first);
4794 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4795 /* If move comes from a remote source, animate it. If it
4796 isn't remote, it will have already been animated. */
4797 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4798 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4800 if (!pausing && appData.highlightLastMove) {
4801 SetHighlights(fromX, fromY, toX, toY);
4805 /* Start the clocks */
4806 whiteFlag = blackFlag = FALSE;
4807 appData.clockMode = !(basetime == 0 && increment == 0);
4809 ics_clock_paused = TRUE;
4811 } else if (ticking == 1) {
4812 ics_clock_paused = FALSE;
4814 if (gameMode == IcsIdle ||
4815 relation == RELATION_OBSERVING_STATIC ||
4816 relation == RELATION_EXAMINING ||
4818 DisplayBothClocks();
4822 /* Display opponents and material strengths */
4823 if (gameInfo.variant != VariantBughouse &&
4824 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4825 if (tinyLayout || smallLayout) {
4826 if(gameInfo.variant == VariantNormal)
4827 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4828 gameInfo.white, white_stren, gameInfo.black, black_stren,
4829 basetime, increment);
4831 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4832 gameInfo.white, white_stren, gameInfo.black, black_stren,
4833 basetime, increment, (int) gameInfo.variant);
4835 if(gameInfo.variant == VariantNormal)
4836 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4837 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4838 basetime, increment);
4840 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4841 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4842 basetime, increment, VariantName(gameInfo.variant));
4845 if (appData.debugMode) {
4846 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4851 /* Display the board */
4852 if (!pausing && !appData.noGUI) {
4854 if (appData.premove)
4856 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4857 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4858 ClearPremoveHighlights();
4860 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4861 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4862 DrawPosition(j, boards[currentMove]);
4864 DisplayMove(moveNum - 1);
4865 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4866 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4867 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4868 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4872 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4874 if(bookHit) { // [HGM] book: simulate book reply
4875 static char bookMove[MSG_SIZ]; // a bit generous?
4877 programStats.nodes = programStats.depth = programStats.time =
4878 programStats.score = programStats.got_only_move = 0;
4879 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4881 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4882 strcat(bookMove, bookHit);
4883 HandleMachineMove(bookMove, &first);
4892 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4893 ics_getting_history = H_REQUESTED;
4894 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4900 AnalysisPeriodicEvent (int force)
4902 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4903 && !force) || !appData.periodicUpdates)
4906 /* Send . command to Crafty to collect stats */
4907 SendToProgram(".\n", &first);
4909 /* Don't send another until we get a response (this makes
4910 us stop sending to old Crafty's which don't understand
4911 the "." command (sending illegal cmds resets node count & time,
4912 which looks bad)) */
4913 programStats.ok_to_send = 0;
4917 ics_update_width (int new_width)
4919 ics_printf("set width %d\n", new_width);
4923 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4927 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4928 // null move in variant where engine does not understand it (for analysis purposes)
4929 SendBoard(cps, moveNum + 1); // send position after move in stead.
4932 if (cps->useUsermove) {
4933 SendToProgram("usermove ", cps);
4937 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4938 int len = space - parseList[moveNum];
4939 memcpy(buf, parseList[moveNum], len);
4941 buf[len] = NULLCHAR;
4943 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4945 SendToProgram(buf, cps);
4947 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4948 AlphaRank(moveList[moveNum], 4);
4949 SendToProgram(moveList[moveNum], cps);
4950 AlphaRank(moveList[moveNum], 4); // and back
4952 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4953 * the engine. It would be nice to have a better way to identify castle
4955 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4956 && cps->useOOCastle) {
4957 int fromX = moveList[moveNum][0] - AAA;
4958 int fromY = moveList[moveNum][1] - ONE;
4959 int toX = moveList[moveNum][2] - AAA;
4960 int toY = moveList[moveNum][3] - ONE;
4961 if((boards[moveNum][fromY][fromX] == WhiteKing
4962 && boards[moveNum][toY][toX] == WhiteRook)
4963 || (boards[moveNum][fromY][fromX] == BlackKing
4964 && boards[moveNum][toY][toX] == BlackRook)) {
4965 if(toX > fromX) SendToProgram("O-O\n", cps);
4966 else SendToProgram("O-O-O\n", cps);
4968 else SendToProgram(moveList[moveNum], cps);
4970 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4971 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4972 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4973 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4974 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4976 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4977 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4978 SendToProgram(buf, cps);
4980 else SendToProgram(moveList[moveNum], cps);
4981 /* End of additions by Tord */
4984 /* [HGM] setting up the opening has brought engine in force mode! */
4985 /* Send 'go' if we are in a mode where machine should play. */
4986 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4987 (gameMode == TwoMachinesPlay ||
4989 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4991 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4992 SendToProgram("go\n", cps);
4993 if (appData.debugMode) {
4994 fprintf(debugFP, "(extra)\n");
4997 setboardSpoiledMachineBlack = 0;
5001 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5003 char user_move[MSG_SIZ];
5006 if(gameInfo.variant == VariantSChess && promoChar) {
5007 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5008 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5009 } else suffix[0] = NULLCHAR;
5013 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5014 (int)moveType, fromX, fromY, toX, toY);
5015 DisplayError(user_move + strlen("say "), 0);
5017 case WhiteKingSideCastle:
5018 case BlackKingSideCastle:
5019 case WhiteQueenSideCastleWild:
5020 case BlackQueenSideCastleWild:
5022 case WhiteHSideCastleFR:
5023 case BlackHSideCastleFR:
5025 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5027 case WhiteQueenSideCastle:
5028 case BlackQueenSideCastle:
5029 case WhiteKingSideCastleWild:
5030 case BlackKingSideCastleWild:
5032 case WhiteASideCastleFR:
5033 case BlackASideCastleFR:
5035 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5037 case WhiteNonPromotion:
5038 case BlackNonPromotion:
5039 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5041 case WhitePromotion:
5042 case BlackPromotion:
5043 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5044 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5045 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5046 PieceToChar(WhiteFerz));
5047 else if(gameInfo.variant == VariantGreat)
5048 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5049 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5050 PieceToChar(WhiteMan));
5052 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5053 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5059 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5060 ToUpper(PieceToChar((ChessSquare) fromX)),
5061 AAA + toX, ONE + toY);
5063 case IllegalMove: /* could be a variant we don't quite understand */
5064 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5066 case WhiteCapturesEnPassant:
5067 case BlackCapturesEnPassant:
5068 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5069 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5072 SendToICS(user_move);
5073 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5074 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5079 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5080 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5081 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5082 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5083 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5086 if(gameMode != IcsExamining) { // is this ever not the case?
5087 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5089 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5090 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5091 } else { // on FICS we must first go to general examine mode
5092 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5094 if(gameInfo.variant != VariantNormal) {
5095 // try figure out wild number, as xboard names are not always valid on ICS
5096 for(i=1; i<=36; i++) {
5097 snprintf(buf, MSG_SIZ, "wild/%d", i);
5098 if(StringToVariant(buf) == gameInfo.variant) break;
5100 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5101 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5102 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5103 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5104 SendToICS(ics_prefix);
5106 if(startedFromSetupPosition || backwardMostMove != 0) {
5107 fen = PositionToFEN(backwardMostMove, NULL);
5108 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5109 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5111 } else { // FICS: everything has to set by separate bsetup commands
5112 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5113 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5115 if(!WhiteOnMove(backwardMostMove)) {
5116 SendToICS("bsetup tomove black\n");
5118 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5119 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5121 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5122 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5124 i = boards[backwardMostMove][EP_STATUS];
5125 if(i >= 0) { // set e.p.
5126 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5132 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5133 SendToICS("bsetup done\n"); // switch to normal examining.
5135 for(i = backwardMostMove; i<last; i++) {
5137 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5138 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5139 int len = strlen(moveList[i]);
5140 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5141 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5145 SendToICS(ics_prefix);
5146 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5150 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5152 if (rf == DROP_RANK) {
5153 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5154 sprintf(move, "%c@%c%c\n",
5155 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5157 if (promoChar == 'x' || promoChar == NULLCHAR) {
5158 sprintf(move, "%c%c%c%c\n",
5159 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5161 sprintf(move, "%c%c%c%c%c\n",
5162 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5168 ProcessICSInitScript (FILE *f)
5172 while (fgets(buf, MSG_SIZ, f)) {
5173 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5180 static int lastX, lastY, selectFlag, dragging;
5185 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5186 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5187 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5188 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5189 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5190 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5193 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5194 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5195 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5196 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5197 if(!step) step = -1;
5198 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5199 appData.testLegality && (promoSweep == king ||
5200 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5202 int victim = boards[currentMove][toY][toX];
5203 boards[currentMove][toY][toX] = promoSweep;
5204 DrawPosition(FALSE, boards[currentMove]);
5205 boards[currentMove][toY][toX] = victim;
5207 ChangeDragPiece(promoSweep);
5211 PromoScroll (int x, int y)
5215 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5216 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5217 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5218 if(!step) return FALSE;
5219 lastX = x; lastY = y;
5220 if((promoSweep < BlackPawn) == flipView) step = -step;
5221 if(step > 0) selectFlag = 1;
5222 if(!selectFlag) Sweep(step);
5227 NextPiece (int step)
5229 ChessSquare piece = boards[currentMove][toY][toX];
5232 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5233 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5234 if(!step) step = -1;
5235 } while(PieceToChar(pieceSweep) == '.');
5236 boards[currentMove][toY][toX] = pieceSweep;
5237 DrawPosition(FALSE, boards[currentMove]);
5238 boards[currentMove][toY][toX] = piece;
5240 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5242 AlphaRank (char *move, int n)
5244 // char *p = move, c; int x, y;
5246 if (appData.debugMode) {
5247 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5251 move[2]>='0' && move[2]<='9' &&
5252 move[3]>='a' && move[3]<='x' ) {
5254 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5255 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5257 if(move[0]>='0' && move[0]<='9' &&
5258 move[1]>='a' && move[1]<='x' &&
5259 move[2]>='0' && move[2]<='9' &&
5260 move[3]>='a' && move[3]<='x' ) {
5261 /* input move, Shogi -> normal */
5262 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5263 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5264 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5265 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5268 move[3]>='0' && move[3]<='9' &&
5269 move[2]>='a' && move[2]<='x' ) {
5271 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5272 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5275 move[0]>='a' && move[0]<='x' &&
5276 move[3]>='0' && move[3]<='9' &&
5277 move[2]>='a' && move[2]<='x' ) {
5278 /* output move, normal -> Shogi */
5279 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5280 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5281 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5282 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5283 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5285 if (appData.debugMode) {
5286 fprintf(debugFP, " out = '%s'\n", move);
5290 char yy_textstr[8000];
5292 /* Parser for moves from gnuchess, ICS, or user typein box */
5294 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5296 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5298 switch (*moveType) {
5299 case WhitePromotion:
5300 case BlackPromotion:
5301 case WhiteNonPromotion:
5302 case BlackNonPromotion:
5304 case WhiteCapturesEnPassant:
5305 case BlackCapturesEnPassant:
5306 case WhiteKingSideCastle:
5307 case WhiteQueenSideCastle:
5308 case BlackKingSideCastle:
5309 case BlackQueenSideCastle:
5310 case WhiteKingSideCastleWild:
5311 case WhiteQueenSideCastleWild:
5312 case BlackKingSideCastleWild:
5313 case BlackQueenSideCastleWild:
5314 /* Code added by Tord: */
5315 case WhiteHSideCastleFR:
5316 case WhiteASideCastleFR:
5317 case BlackHSideCastleFR:
5318 case BlackASideCastleFR:
5319 /* End of code added by Tord */
5320 case IllegalMove: /* bug or odd chess variant */
5321 *fromX = currentMoveString[0] - AAA;
5322 *fromY = currentMoveString[1] - ONE;
5323 *toX = currentMoveString[2] - AAA;
5324 *toY = currentMoveString[3] - ONE;
5325 *promoChar = currentMoveString[4];
5326 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5327 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5328 if (appData.debugMode) {
5329 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5331 *fromX = *fromY = *toX = *toY = 0;
5334 if (appData.testLegality) {
5335 return (*moveType != IllegalMove);
5337 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5338 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5343 *fromX = *moveType == WhiteDrop ?
5344 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5345 (int) CharToPiece(ToLower(currentMoveString[0]));
5347 *toX = currentMoveString[2] - AAA;
5348 *toY = currentMoveString[3] - ONE;
5349 *promoChar = NULLCHAR;
5353 case ImpossibleMove:
5363 if (appData.debugMode) {
5364 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5367 *fromX = *fromY = *toX = *toY = 0;
5368 *promoChar = NULLCHAR;
5373 Boolean pushed = FALSE;
5374 char *lastParseAttempt;
5377 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5378 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5379 int fromX, fromY, toX, toY; char promoChar;
5384 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5385 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5388 endPV = forwardMostMove;
5390 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5391 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5392 lastParseAttempt = pv;
5393 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5394 if(!valid && nr == 0 &&
5395 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5396 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5397 // Hande case where played move is different from leading PV move
5398 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5399 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5400 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5401 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5402 endPV += 2; // if position different, keep this
5403 moveList[endPV-1][0] = fromX + AAA;
5404 moveList[endPV-1][1] = fromY + ONE;
5405 moveList[endPV-1][2] = toX + AAA;
5406 moveList[endPV-1][3] = toY + ONE;
5407 parseList[endPV-1][0] = NULLCHAR;
5408 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5411 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5412 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5413 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5414 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5415 valid++; // allow comments in PV
5419 if(endPV+1 > framePtr) break; // no space, truncate
5422 CopyBoard(boards[endPV], boards[endPV-1]);
5423 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5424 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5425 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5426 CoordsToAlgebraic(boards[endPV - 1],
5427 PosFlags(endPV - 1),
5428 fromY, fromX, toY, toX, promoChar,
5429 parseList[endPV - 1]);
5431 if(atEnd == 2) return; // used hidden, for PV conversion
5432 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5433 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5434 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5435 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5436 DrawPosition(TRUE, boards[currentMove]);
5440 MultiPV (ChessProgramState *cps)
5441 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5443 for(i=0; i<cps->nrOptions; i++)
5444 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5450 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5452 int startPV, multi, lineStart, origIndex = index;
5453 char *p, buf2[MSG_SIZ];
5455 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5456 lastX = x; lastY = y;
5457 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5458 lineStart = startPV = index;
5459 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5460 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5462 do{ while(buf[index] && buf[index] != '\n') index++;
5463 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5465 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5466 int n = first.option[multi].value;
5467 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5468 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5469 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5470 first.option[multi].value = n;
5473 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5474 ExcludeClick(origIndex - lineStart);
5477 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5478 *start = startPV; *end = index-1;
5485 static char buf[10*MSG_SIZ];
5486 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5488 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5489 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5490 for(i = forwardMostMove; i<endPV; i++){
5491 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5492 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5495 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5496 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5502 LoadPV (int x, int y)
5503 { // called on right mouse click to load PV
5504 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5505 lastX = x; lastY = y;
5506 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5513 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5514 if(endPV < 0) return;
5515 if(appData.autoCopyPV) CopyFENToClipboard();
5517 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5518 Boolean saveAnimate = appData.animate;
5520 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5521 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5522 } else storedGames--; // abandon shelved tail of original game
5525 forwardMostMove = currentMove;
5526 currentMove = oldFMM;
5527 appData.animate = FALSE;
5528 ToNrEvent(forwardMostMove);
5529 appData.animate = saveAnimate;
5531 currentMove = forwardMostMove;
5532 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5533 ClearPremoveHighlights();
5534 DrawPosition(TRUE, boards[currentMove]);
5538 MovePV (int x, int y, int h)
5539 { // step through PV based on mouse coordinates (called on mouse move)
5540 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5542 // we must somehow check if right button is still down (might be released off board!)
5543 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5544 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5545 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5547 lastX = x; lastY = y;
5549 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5550 if(endPV < 0) return;
5551 if(y < margin) step = 1; else
5552 if(y > h - margin) step = -1;
5553 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5554 currentMove += step;
5555 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5556 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5557 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5558 DrawPosition(FALSE, boards[currentMove]);
5562 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5563 // All positions will have equal probability, but the current method will not provide a unique
5564 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5570 int piecesLeft[(int)BlackPawn];
5571 int seed, nrOfShuffles;
5574 GetPositionNumber ()
5575 { // sets global variable seed
5578 seed = appData.defaultFrcPosition;
5579 if(seed < 0) { // randomize based on time for negative FRC position numbers
5580 for(i=0; i<50; i++) seed += random();
5581 seed = random() ^ random() >> 8 ^ random() << 8;
5582 if(seed<0) seed = -seed;
5587 put (Board board, int pieceType, int rank, int n, int shade)
5588 // put the piece on the (n-1)-th empty squares of the given shade
5592 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5593 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5594 board[rank][i] = (ChessSquare) pieceType;
5595 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5597 piecesLeft[pieceType]--;
5606 AddOnePiece (Board board, int pieceType, int rank, int shade)
5607 // calculate where the next piece goes, (any empty square), and put it there
5611 i = seed % squaresLeft[shade];
5612 nrOfShuffles *= squaresLeft[shade];
5613 seed /= squaresLeft[shade];
5614 put(board, pieceType, rank, i, shade);
5618 AddTwoPieces (Board board, int pieceType, int rank)
5619 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5621 int i, n=squaresLeft[ANY], j=n-1, k;
5623 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5624 i = seed % k; // pick one
5627 while(i >= j) i -= j--;
5628 j = n - 1 - j; i += j;
5629 put(board, pieceType, rank, j, ANY);
5630 put(board, pieceType, rank, i, ANY);
5634 SetUpShuffle (Board board, int number)
5638 GetPositionNumber(); nrOfShuffles = 1;
5640 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5641 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5642 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5644 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5646 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5647 p = (int) board[0][i];
5648 if(p < (int) BlackPawn) piecesLeft[p] ++;
5649 board[0][i] = EmptySquare;
5652 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5653 // shuffles restricted to allow normal castling put KRR first
5654 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5655 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5656 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5657 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5658 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5659 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5660 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5661 put(board, WhiteRook, 0, 0, ANY);
5662 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5665 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5666 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5667 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5668 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5669 while(piecesLeft[p] >= 2) {
5670 AddOnePiece(board, p, 0, LITE);
5671 AddOnePiece(board, p, 0, DARK);
5673 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5676 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5677 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5678 // but we leave King and Rooks for last, to possibly obey FRC restriction
5679 if(p == (int)WhiteRook) continue;
5680 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5681 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5684 // now everything is placed, except perhaps King (Unicorn) and Rooks
5686 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5687 // Last King gets castling rights
5688 while(piecesLeft[(int)WhiteUnicorn]) {
5689 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5690 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5693 while(piecesLeft[(int)WhiteKing]) {
5694 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5695 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5700 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5701 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5704 // Only Rooks can be left; simply place them all
5705 while(piecesLeft[(int)WhiteRook]) {
5706 i = put(board, WhiteRook, 0, 0, ANY);
5707 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5710 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5712 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5715 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5716 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5719 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5723 SetCharTable (char *table, const char * map)
5724 /* [HGM] moved here from winboard.c because of its general usefulness */
5725 /* Basically a safe strcpy that uses the last character as King */
5727 int result = FALSE; int NrPieces;
5729 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5730 && NrPieces >= 12 && !(NrPieces&1)) {
5731 int i; /* [HGM] Accept even length from 12 to 34 */
5733 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5734 for( i=0; i<NrPieces/2-1; i++ ) {
5736 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5738 table[(int) WhiteKing] = map[NrPieces/2-1];
5739 table[(int) BlackKing] = map[NrPieces-1];
5748 Prelude (Board board)
5749 { // [HGM] superchess: random selection of exo-pieces
5750 int i, j, k; ChessSquare p;
5751 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5753 GetPositionNumber(); // use FRC position number
5755 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5756 SetCharTable(pieceToChar, appData.pieceToCharTable);
5757 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5758 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5761 j = seed%4; seed /= 4;
5762 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5763 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5764 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5765 j = seed%3 + (seed%3 >= j); seed /= 3;
5766 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5767 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5768 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5769 j = seed%3; seed /= 3;
5770 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5771 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5772 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5773 j = seed%2 + (seed%2 >= j); seed /= 2;
5774 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5775 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5776 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5777 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5778 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5779 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5780 put(board, exoPieces[0], 0, 0, ANY);
5781 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5785 InitPosition (int redraw)
5787 ChessSquare (* pieces)[BOARD_FILES];
5788 int i, j, pawnRow, overrule,
5789 oldx = gameInfo.boardWidth,
5790 oldy = gameInfo.boardHeight,
5791 oldh = gameInfo.holdingsWidth;
5794 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5796 /* [AS] Initialize pv info list [HGM] and game status */
5798 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5799 pvInfoList[i].depth = 0;
5800 boards[i][EP_STATUS] = EP_NONE;
5801 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5804 initialRulePlies = 0; /* 50-move counter start */
5806 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5807 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5811 /* [HGM] logic here is completely changed. In stead of full positions */
5812 /* the initialized data only consist of the two backranks. The switch */
5813 /* selects which one we will use, which is than copied to the Board */
5814 /* initialPosition, which for the rest is initialized by Pawns and */
5815 /* empty squares. This initial position is then copied to boards[0], */
5816 /* possibly after shuffling, so that it remains available. */
5818 gameInfo.holdingsWidth = 0; /* default board sizes */
5819 gameInfo.boardWidth = 8;
5820 gameInfo.boardHeight = 8;
5821 gameInfo.holdingsSize = 0;
5822 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5823 for(i=0; i<BOARD_FILES-2; i++)
5824 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5825 initialPosition[EP_STATUS] = EP_NONE;
5826 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5827 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5828 SetCharTable(pieceNickName, appData.pieceNickNames);
5829 else SetCharTable(pieceNickName, "............");
5832 switch (gameInfo.variant) {
5833 case VariantFischeRandom:
5834 shuffleOpenings = TRUE;
5837 case VariantShatranj:
5838 pieces = ShatranjArray;
5839 nrCastlingRights = 0;
5840 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5843 pieces = makrukArray;
5844 nrCastlingRights = 0;
5845 startedFromSetupPosition = TRUE;
5846 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5848 case VariantTwoKings:
5849 pieces = twoKingsArray;
5852 pieces = GrandArray;
5853 nrCastlingRights = 0;
5854 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5855 gameInfo.boardWidth = 10;
5856 gameInfo.boardHeight = 10;
5857 gameInfo.holdingsSize = 7;
5859 case VariantCapaRandom:
5860 shuffleOpenings = TRUE;
5861 case VariantCapablanca:
5862 pieces = CapablancaArray;
5863 gameInfo.boardWidth = 10;
5864 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5867 pieces = GothicArray;
5868 gameInfo.boardWidth = 10;
5869 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5872 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5873 gameInfo.holdingsSize = 7;
5874 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
5877 pieces = JanusArray;
5878 gameInfo.boardWidth = 10;
5879 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5880 nrCastlingRights = 6;
5881 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5882 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5883 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5884 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5885 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5886 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5889 pieces = FalconArray;
5890 gameInfo.boardWidth = 10;
5891 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5893 case VariantXiangqi:
5894 pieces = XiangqiArray;
5895 gameInfo.boardWidth = 9;
5896 gameInfo.boardHeight = 10;
5897 nrCastlingRights = 0;
5898 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5901 pieces = ShogiArray;
5902 gameInfo.boardWidth = 9;
5903 gameInfo.boardHeight = 9;
5904 gameInfo.holdingsSize = 7;
5905 nrCastlingRights = 0;
5906 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5908 case VariantCourier:
5909 pieces = CourierArray;
5910 gameInfo.boardWidth = 12;
5911 nrCastlingRights = 0;
5912 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5914 case VariantKnightmate:
5915 pieces = KnightmateArray;
5916 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5918 case VariantSpartan:
5919 pieces = SpartanArray;
5920 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5923 pieces = fairyArray;
5924 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5927 pieces = GreatArray;
5928 gameInfo.boardWidth = 10;
5929 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5930 gameInfo.holdingsSize = 8;
5934 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5935 gameInfo.holdingsSize = 8;
5936 startedFromSetupPosition = TRUE;
5938 case VariantCrazyhouse:
5939 case VariantBughouse:
5941 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5942 gameInfo.holdingsSize = 5;
5944 case VariantWildCastle:
5946 /* !!?shuffle with kings guaranteed to be on d or e file */
5947 shuffleOpenings = 1;
5949 case VariantNoCastle:
5951 nrCastlingRights = 0;
5952 /* !!?unconstrained back-rank shuffle */
5953 shuffleOpenings = 1;
5958 if(appData.NrFiles >= 0) {
5959 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5960 gameInfo.boardWidth = appData.NrFiles;
5962 if(appData.NrRanks >= 0) {
5963 gameInfo.boardHeight = appData.NrRanks;
5965 if(appData.holdingsSize >= 0) {
5966 i = appData.holdingsSize;
5967 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5968 gameInfo.holdingsSize = i;
5970 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5971 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5972 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5974 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5975 if(pawnRow < 1) pawnRow = 1;
5976 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5978 /* User pieceToChar list overrules defaults */
5979 if(appData.pieceToCharTable != NULL)
5980 SetCharTable(pieceToChar, appData.pieceToCharTable);
5982 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5984 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5985 s = (ChessSquare) 0; /* account holding counts in guard band */
5986 for( i=0; i<BOARD_HEIGHT; i++ )
5987 initialPosition[i][j] = s;
5989 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5990 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5991 initialPosition[pawnRow][j] = WhitePawn;
5992 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5993 if(gameInfo.variant == VariantXiangqi) {
5995 initialPosition[pawnRow][j] =
5996 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5997 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5998 initialPosition[2][j] = WhiteCannon;
5999 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6003 if(gameInfo.variant == VariantGrand) {
6004 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6005 initialPosition[0][j] = WhiteRook;
6006 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6009 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
6011 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6014 initialPosition[1][j] = WhiteBishop;
6015 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6017 initialPosition[1][j] = WhiteRook;
6018 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6021 if( nrCastlingRights == -1) {
6022 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6023 /* This sets default castling rights from none to normal corners */
6024 /* Variants with other castling rights must set them themselves above */
6025 nrCastlingRights = 6;
6027 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6028 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6029 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6030 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6031 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6032 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6035 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6036 if(gameInfo.variant == VariantGreat) { // promotion commoners
6037 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6038 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6039 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6040 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6042 if( gameInfo.variant == VariantSChess ) {
6043 initialPosition[1][0] = BlackMarshall;
6044 initialPosition[2][0] = BlackAngel;
6045 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6046 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6047 initialPosition[1][1] = initialPosition[2][1] =
6048 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6050 if (appData.debugMode) {
6051 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6053 if(shuffleOpenings) {
6054 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6055 startedFromSetupPosition = TRUE;
6057 if(startedFromPositionFile) {
6058 /* [HGM] loadPos: use PositionFile for every new game */
6059 CopyBoard(initialPosition, filePosition);
6060 for(i=0; i<nrCastlingRights; i++)
6061 initialRights[i] = filePosition[CASTLING][i];
6062 startedFromSetupPosition = TRUE;
6065 CopyBoard(boards[0], initialPosition);
6067 if(oldx != gameInfo.boardWidth ||
6068 oldy != gameInfo.boardHeight ||
6069 oldv != gameInfo.variant ||
6070 oldh != gameInfo.holdingsWidth
6072 InitDrawingSizes(-2 ,0);
6074 oldv = gameInfo.variant;
6076 DrawPosition(TRUE, boards[currentMove]);
6080 SendBoard (ChessProgramState *cps, int moveNum)
6082 char message[MSG_SIZ];
6084 if (cps->useSetboard) {
6085 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6086 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6087 SendToProgram(message, cps);
6092 int i, j, left=0, right=BOARD_WIDTH;
6093 /* Kludge to set black to move, avoiding the troublesome and now
6094 * deprecated "black" command.
6096 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6097 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6099 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6101 SendToProgram("edit\n", cps);
6102 SendToProgram("#\n", cps);
6103 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6104 bp = &boards[moveNum][i][left];
6105 for (j = left; j < right; j++, bp++) {
6106 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6107 if ((int) *bp < (int) BlackPawn) {
6108 if(j == BOARD_RGHT+1)
6109 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6110 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6111 if(message[0] == '+' || message[0] == '~') {
6112 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6113 PieceToChar((ChessSquare)(DEMOTED *bp)),
6116 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6117 message[1] = BOARD_RGHT - 1 - j + '1';
6118 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6120 SendToProgram(message, cps);
6125 SendToProgram("c\n", cps);
6126 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6127 bp = &boards[moveNum][i][left];
6128 for (j = left; j < right; j++, bp++) {
6129 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6130 if (((int) *bp != (int) EmptySquare)
6131 && ((int) *bp >= (int) BlackPawn)) {
6132 if(j == BOARD_LEFT-2)
6133 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6134 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6136 if(message[0] == '+' || message[0] == '~') {
6137 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6138 PieceToChar((ChessSquare)(DEMOTED *bp)),
6141 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6142 message[1] = BOARD_RGHT - 1 - j + '1';
6143 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6145 SendToProgram(message, cps);
6150 SendToProgram(".\n", cps);
6152 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6155 char exclusionHeader[MSG_SIZ];
6156 int exCnt, excludePtr;
6157 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6158 static Exclusion excluTab[200];
6159 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6165 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6166 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6172 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6173 excludePtr = 24; exCnt = 0;
6178 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6179 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6180 char buf[2*MOVE_LEN], *p;
6181 Exclusion *e = excluTab;
6183 for(i=0; i<exCnt; i++)
6184 if(e[i].ff == fromX && e[i].fr == fromY &&
6185 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6186 if(i == exCnt) { // was not in exclude list; add it
6187 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6188 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6189 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6192 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6193 excludePtr++; e[i].mark = excludePtr++;
6194 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6197 exclusionHeader[e[i].mark] = state;
6201 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6202 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6206 if((signed char)promoChar == -1) { // kludge to indicate best move
6207 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6208 return 1; // if unparsable, abort
6210 // update exclusion map (resolving toggle by consulting existing state)
6211 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6213 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6214 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6215 excludeMap[k] |= 1<<j;
6216 else excludeMap[k] &= ~(1<<j);
6218 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6220 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6221 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6222 SendToProgram(buf, &first);
6223 return (state == '+');
6227 ExcludeClick (int index)
6230 Exclusion *e = excluTab;
6231 if(index < 25) { // none, best or tail clicked
6232 if(index < 13) { // none: include all
6233 WriteMap(0); // clear map
6234 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6235 SendToProgram("include all\n", &first); // and inform engine
6236 } else if(index > 18) { // tail
6237 if(exclusionHeader[19] == '-') { // tail was excluded
6238 SendToProgram("include all\n", &first);
6239 WriteMap(0); // clear map completely
6240 // now re-exclude selected moves
6241 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6242 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6243 } else { // tail was included or in mixed state
6244 SendToProgram("exclude all\n", &first);
6245 WriteMap(0xFF); // fill map completely
6246 // now re-include selected moves
6247 j = 0; // count them
6248 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6249 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6250 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6253 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6256 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6257 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6258 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6265 DefaultPromoChoice (int white)
6268 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6269 result = WhiteFerz; // no choice
6270 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6271 result= WhiteKing; // in Suicide Q is the last thing we want
6272 else if(gameInfo.variant == VariantSpartan)
6273 result = white ? WhiteQueen : WhiteAngel;
6274 else result = WhiteQueen;
6275 if(!white) result = WHITE_TO_BLACK result;
6279 static int autoQueen; // [HGM] oneclick
6282 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6284 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6285 /* [HGM] add Shogi promotions */
6286 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6291 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6292 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6294 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6295 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6298 piece = boards[currentMove][fromY][fromX];
6299 if(gameInfo.variant == VariantShogi) {
6300 promotionZoneSize = BOARD_HEIGHT/3;
6301 highestPromotingPiece = (int)WhiteFerz;
6302 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6303 promotionZoneSize = 3;
6306 // Treat Lance as Pawn when it is not representing Amazon
6307 if(gameInfo.variant != VariantSuper) {
6308 if(piece == WhiteLance) piece = WhitePawn; else
6309 if(piece == BlackLance) piece = BlackPawn;
6312 // next weed out all moves that do not touch the promotion zone at all
6313 if((int)piece >= BlackPawn) {
6314 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6316 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6318 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6319 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6322 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6324 // weed out mandatory Shogi promotions
6325 if(gameInfo.variant == VariantShogi) {
6326 if(piece >= BlackPawn) {
6327 if(toY == 0 && piece == BlackPawn ||
6328 toY == 0 && piece == BlackQueen ||
6329 toY <= 1 && piece == BlackKnight) {
6334 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6335 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6336 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6343 // weed out obviously illegal Pawn moves
6344 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6345 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6346 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6347 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6348 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6349 // note we are not allowed to test for valid (non-)capture, due to premove
6352 // we either have a choice what to promote to, or (in Shogi) whether to promote
6353 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6354 *promoChoice = PieceToChar(BlackFerz); // no choice
6357 // no sense asking what we must promote to if it is going to explode...
6358 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6359 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6362 // give caller the default choice even if we will not make it
6363 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6364 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6365 if( sweepSelect && gameInfo.variant != VariantGreat
6366 && gameInfo.variant != VariantGrand
6367 && gameInfo.variant != VariantSuper) return FALSE;
6368 if(autoQueen) return FALSE; // predetermined
6370 // suppress promotion popup on illegal moves that are not premoves
6371 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6372 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6373 if(appData.testLegality && !premove) {
6374 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6375 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6376 if(moveType != WhitePromotion && moveType != BlackPromotion)
6384 InPalace (int row, int column)
6385 { /* [HGM] for Xiangqi */
6386 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6387 column < (BOARD_WIDTH + 4)/2 &&
6388 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6393 PieceForSquare (int x, int y)
6395 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6398 return boards[currentMove][y][x];
6402 OKToStartUserMove (int x, int y)
6404 ChessSquare from_piece;
6407 if (matchMode) return FALSE;
6408 if (gameMode == EditPosition) return TRUE;
6410 if (x >= 0 && y >= 0)
6411 from_piece = boards[currentMove][y][x];
6413 from_piece = EmptySquare;
6415 if (from_piece == EmptySquare) return FALSE;
6417 white_piece = (int)from_piece >= (int)WhitePawn &&
6418 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6422 case TwoMachinesPlay:
6430 case MachinePlaysWhite:
6431 case IcsPlayingBlack:
6432 if (appData.zippyPlay) return FALSE;
6434 DisplayMoveError(_("You are playing Black"));
6439 case MachinePlaysBlack:
6440 case IcsPlayingWhite:
6441 if (appData.zippyPlay) return FALSE;
6443 DisplayMoveError(_("You are playing White"));
6448 case PlayFromGameFile:
6449 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6451 if (!white_piece && WhiteOnMove(currentMove)) {
6452 DisplayMoveError(_("It is White's turn"));
6455 if (white_piece && !WhiteOnMove(currentMove)) {
6456 DisplayMoveError(_("It is Black's turn"));
6459 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6460 /* Editing correspondence game history */
6461 /* Could disallow this or prompt for confirmation */
6466 case BeginningOfGame:
6467 if (appData.icsActive) return FALSE;
6468 if (!appData.noChessProgram) {
6470 DisplayMoveError(_("You are playing White"));
6477 if (!white_piece && WhiteOnMove(currentMove)) {
6478 DisplayMoveError(_("It is White's turn"));
6481 if (white_piece && !WhiteOnMove(currentMove)) {
6482 DisplayMoveError(_("It is Black's turn"));
6491 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6492 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6493 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6494 && gameMode != AnalyzeFile && gameMode != Training) {
6495 DisplayMoveError(_("Displayed position is not current"));
6502 OnlyMove (int *x, int *y, Boolean captures)
6504 DisambiguateClosure cl;
6505 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6507 case MachinePlaysBlack:
6508 case IcsPlayingWhite:
6509 case BeginningOfGame:
6510 if(!WhiteOnMove(currentMove)) return FALSE;
6512 case MachinePlaysWhite:
6513 case IcsPlayingBlack:
6514 if(WhiteOnMove(currentMove)) return FALSE;
6521 cl.pieceIn = EmptySquare;
6526 cl.promoCharIn = NULLCHAR;
6527 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6528 if( cl.kind == NormalMove ||
6529 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6530 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6531 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6538 if(cl.kind != ImpossibleMove) return FALSE;
6539 cl.pieceIn = EmptySquare;
6544 cl.promoCharIn = NULLCHAR;
6545 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6546 if( cl.kind == NormalMove ||
6547 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6548 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6549 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6554 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6560 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6561 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6562 int lastLoadGameUseList = FALSE;
6563 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6564 ChessMove lastLoadGameStart = EndOfFile;
6568 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6572 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6574 /* Check if the user is playing in turn. This is complicated because we
6575 let the user "pick up" a piece before it is his turn. So the piece he
6576 tried to pick up may have been captured by the time he puts it down!
6577 Therefore we use the color the user is supposed to be playing in this
6578 test, not the color of the piece that is currently on the starting
6579 square---except in EditGame mode, where the user is playing both
6580 sides; fortunately there the capture race can't happen. (It can
6581 now happen in IcsExamining mode, but that's just too bad. The user
6582 will get a somewhat confusing message in that case.)
6587 case TwoMachinesPlay:
6591 /* We switched into a game mode where moves are not accepted,
6592 perhaps while the mouse button was down. */
6595 case MachinePlaysWhite:
6596 /* User is moving for Black */
6597 if (WhiteOnMove(currentMove)) {
6598 DisplayMoveError(_("It is White's turn"));
6603 case MachinePlaysBlack:
6604 /* User is moving for White */
6605 if (!WhiteOnMove(currentMove)) {
6606 DisplayMoveError(_("It is Black's turn"));
6611 case PlayFromGameFile:
6612 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6615 case BeginningOfGame:
6618 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6619 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6620 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6621 /* User is moving for Black */
6622 if (WhiteOnMove(currentMove)) {
6623 DisplayMoveError(_("It is White's turn"));
6627 /* User is moving for White */
6628 if (!WhiteOnMove(currentMove)) {
6629 DisplayMoveError(_("It is Black's turn"));
6635 case IcsPlayingBlack:
6636 /* User is moving for Black */
6637 if (WhiteOnMove(currentMove)) {
6638 if (!appData.premove) {
6639 DisplayMoveError(_("It is White's turn"));
6640 } else if (toX >= 0 && toY >= 0) {
6643 premoveFromX = fromX;
6644 premoveFromY = fromY;
6645 premovePromoChar = promoChar;
6647 if (appData.debugMode)
6648 fprintf(debugFP, "Got premove: fromX %d,"
6649 "fromY %d, toX %d, toY %d\n",
6650 fromX, fromY, toX, toY);
6656 case IcsPlayingWhite:
6657 /* User is moving for White */
6658 if (!WhiteOnMove(currentMove)) {
6659 if (!appData.premove) {
6660 DisplayMoveError(_("It is Black's turn"));
6661 } else if (toX >= 0 && toY >= 0) {
6664 premoveFromX = fromX;
6665 premoveFromY = fromY;
6666 premovePromoChar = promoChar;
6668 if (appData.debugMode)
6669 fprintf(debugFP, "Got premove: fromX %d,"
6670 "fromY %d, toX %d, toY %d\n",
6671 fromX, fromY, toX, toY);
6681 /* EditPosition, empty square, or different color piece;
6682 click-click move is possible */
6683 if (toX == -2 || toY == -2) {
6684 boards[0][fromY][fromX] = EmptySquare;
6685 DrawPosition(FALSE, boards[currentMove]);
6687 } else if (toX >= 0 && toY >= 0) {
6688 boards[0][toY][toX] = boards[0][fromY][fromX];
6689 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6690 if(boards[0][fromY][0] != EmptySquare) {
6691 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6692 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6695 if(fromX == BOARD_RGHT+1) {
6696 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6697 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6698 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6701 boards[0][fromY][fromX] = gatingPiece;
6702 DrawPosition(FALSE, boards[currentMove]);
6708 if(toX < 0 || toY < 0) return;
6709 pup = boards[currentMove][toY][toX];
6711 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6712 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6713 if( pup != EmptySquare ) return;
6714 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6715 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6716 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6717 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6718 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6719 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6720 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6724 /* [HGM] always test for legality, to get promotion info */
6725 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6726 fromY, fromX, toY, toX, promoChar);
6728 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6730 /* [HGM] but possibly ignore an IllegalMove result */
6731 if (appData.testLegality) {
6732 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6733 DisplayMoveError(_("Illegal move"));
6738 if(doubleClick) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6739 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6740 ClearPremoveHighlights(); // was included
6741 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6745 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6748 /* Common tail of UserMoveEvent and DropMenuEvent */
6750 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6754 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6755 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6756 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6757 if(WhiteOnMove(currentMove)) {
6758 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6760 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6764 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6765 move type in caller when we know the move is a legal promotion */
6766 if(moveType == NormalMove && promoChar)
6767 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6769 /* [HGM] <popupFix> The following if has been moved here from
6770 UserMoveEvent(). Because it seemed to belong here (why not allow
6771 piece drops in training games?), and because it can only be
6772 performed after it is known to what we promote. */
6773 if (gameMode == Training) {
6774 /* compare the move played on the board to the next move in the
6775 * game. If they match, display the move and the opponent's response.
6776 * If they don't match, display an error message.
6780 CopyBoard(testBoard, boards[currentMove]);
6781 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6783 if (CompareBoards(testBoard, boards[currentMove+1])) {
6784 ForwardInner(currentMove+1);
6786 /* Autoplay the opponent's response.
6787 * if appData.animate was TRUE when Training mode was entered,
6788 * the response will be animated.
6790 saveAnimate = appData.animate;
6791 appData.animate = animateTraining;
6792 ForwardInner(currentMove+1);
6793 appData.animate = saveAnimate;
6795 /* check for the end of the game */
6796 if (currentMove >= forwardMostMove) {
6797 gameMode = PlayFromGameFile;
6799 SetTrainingModeOff();
6800 DisplayInformation(_("End of game"));
6803 DisplayError(_("Incorrect move"), 0);
6808 /* Ok, now we know that the move is good, so we can kill
6809 the previous line in Analysis Mode */
6810 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6811 && currentMove < forwardMostMove) {
6812 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6813 else forwardMostMove = currentMove;
6818 /* If we need the chess program but it's dead, restart it */
6819 ResurrectChessProgram();
6821 /* A user move restarts a paused game*/
6825 thinkOutput[0] = NULLCHAR;
6827 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6829 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6830 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6834 if (gameMode == BeginningOfGame) {
6835 if (appData.noChessProgram) {
6836 gameMode = EditGame;
6840 gameMode = MachinePlaysBlack;
6843 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6845 if (first.sendName) {
6846 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6847 SendToProgram(buf, &first);
6854 /* Relay move to ICS or chess engine */
6855 if (appData.icsActive) {
6856 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6857 gameMode == IcsExamining) {
6858 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6859 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6861 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6863 // also send plain move, in case ICS does not understand atomic claims
6864 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6868 if (first.sendTime && (gameMode == BeginningOfGame ||
6869 gameMode == MachinePlaysWhite ||
6870 gameMode == MachinePlaysBlack)) {
6871 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6873 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6874 // [HGM] book: if program might be playing, let it use book
6875 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6876 first.maybeThinking = TRUE;
6877 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6878 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6879 SendBoard(&first, currentMove+1);
6880 } else SendMoveToProgram(forwardMostMove-1, &first);
6881 if (currentMove == cmailOldMove + 1) {
6882 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6886 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6890 if(appData.testLegality)
6891 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6897 if (WhiteOnMove(currentMove)) {
6898 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6900 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6904 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6909 case MachinePlaysBlack:
6910 case MachinePlaysWhite:
6911 /* disable certain menu options while machine is thinking */
6912 SetMachineThinkingEnables();
6919 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6920 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6922 if(bookHit) { // [HGM] book: simulate book reply
6923 static char bookMove[MSG_SIZ]; // a bit generous?
6925 programStats.nodes = programStats.depth = programStats.time =
6926 programStats.score = programStats.got_only_move = 0;
6927 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6929 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6930 strcat(bookMove, bookHit);
6931 HandleMachineMove(bookMove, &first);
6937 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6939 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6940 Markers *m = (Markers *) closure;
6941 if(rf == fromY && ff == fromX)
6942 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6943 || kind == WhiteCapturesEnPassant
6944 || kind == BlackCapturesEnPassant);
6945 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6949 MarkTargetSquares (int clear)
6952 if(clear) // no reason to ever suppress clearing
6953 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6954 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6955 !appData.testLegality || gameMode == EditPosition) return;
6958 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6959 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6960 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6962 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6965 DrawPosition(FALSE, NULL);
6969 Explode (Board board, int fromX, int fromY, int toX, int toY)
6971 if(gameInfo.variant == VariantAtomic &&
6972 (board[toY][toX] != EmptySquare || // capture?
6973 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6974 board[fromY][fromX] == BlackPawn )
6976 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6982 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6985 CanPromote (ChessSquare piece, int y)
6987 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6988 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6989 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6990 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6991 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6992 gameInfo.variant == VariantMakruk) return FALSE;
6993 return (piece == BlackPawn && y == 1 ||
6994 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6995 piece == BlackLance && y == 1 ||
6996 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7000 LeftClick (ClickType clickType, int xPix, int yPix)
7003 Boolean saveAnimate;
7004 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7005 char promoChoice = NULLCHAR;
7007 static TimeMark lastClickTime, prevClickTime;
7009 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7011 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7013 if (clickType == Press) ErrorPopDown();
7015 x = EventToSquare(xPix, BOARD_WIDTH);
7016 y = EventToSquare(yPix, BOARD_HEIGHT);
7017 if (!flipView && y >= 0) {
7018 y = BOARD_HEIGHT - 1 - y;
7020 if (flipView && x >= 0) {
7021 x = BOARD_WIDTH - 1 - x;
7024 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7025 defaultPromoChoice = promoSweep;
7026 promoSweep = EmptySquare; // terminate sweep
7027 promoDefaultAltered = TRUE;
7028 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7031 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7032 if(clickType == Release) return; // ignore upclick of click-click destination
7033 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7034 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7035 if(gameInfo.holdingsWidth &&
7036 (WhiteOnMove(currentMove)
7037 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7038 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7039 // click in right holdings, for determining promotion piece
7040 ChessSquare p = boards[currentMove][y][x];
7041 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7042 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7043 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7044 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7049 DrawPosition(FALSE, boards[currentMove]);
7053 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7054 if(clickType == Press
7055 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7056 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7057 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7060 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7061 // could be static click on premove from-square: abort premove
7063 ClearPremoveHighlights();
7066 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7067 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7069 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7070 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7071 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7072 defaultPromoChoice = DefaultPromoChoice(side);
7075 autoQueen = appData.alwaysPromoteToQueen;
7079 gatingPiece = EmptySquare;
7080 if (clickType != Press) {
7081 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7082 DragPieceEnd(xPix, yPix); dragging = 0;
7083 DrawPosition(FALSE, NULL);
7087 doubleClick = FALSE;
7088 fromX = x; fromY = y; toX = toY = -1;
7089 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7090 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7091 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7093 if (OKToStartUserMove(fromX, fromY)) {
7095 MarkTargetSquares(0);
7096 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7097 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7098 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7099 promoSweep = defaultPromoChoice;
7100 selectFlag = 0; lastX = xPix; lastY = yPix;
7101 Sweep(0); // Pawn that is going to promote: preview promotion piece
7102 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7104 if (appData.highlightDragging) {
7105 SetHighlights(fromX, fromY, -1, -1);
7109 } else fromX = fromY = -1;
7115 if (clickType == Press && gameMode != EditPosition) {
7120 // ignore off-board to clicks
7121 if(y < 0 || x < 0) return;
7123 /* Check if clicking again on the same color piece */
7124 fromP = boards[currentMove][fromY][fromX];
7125 toP = boards[currentMove][y][x];
7126 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
7127 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
7128 WhitePawn <= toP && toP <= WhiteKing &&
7129 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7130 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7131 (BlackPawn <= fromP && fromP <= BlackKing &&
7132 BlackPawn <= toP && toP <= BlackKing &&
7133 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7134 !(fromP == BlackKing && toP == BlackRook && frc))) {
7135 /* Clicked again on same color piece -- changed his mind */
7136 second = (x == fromX && y == fromY);
7137 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7138 second = FALSE; // first double-click rather than scond click
7139 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7141 promoDefaultAltered = FALSE;
7142 MarkTargetSquares(1);
7143 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7144 if (appData.highlightDragging) {
7145 SetHighlights(x, y, -1, -1);
7149 if (OKToStartUserMove(x, y)) {
7150 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7151 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7152 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7153 gatingPiece = boards[currentMove][fromY][fromX];
7154 else gatingPiece = doubleClick ? fromP : EmptySquare;
7156 fromY = y; dragging = 1;
7157 MarkTargetSquares(0);
7158 DragPieceBegin(xPix, yPix, FALSE);
7159 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7160 promoSweep = defaultPromoChoice;
7161 selectFlag = 0; lastX = xPix; lastY = yPix;
7162 Sweep(0); // Pawn that is going to promote: preview promotion piece
7166 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7169 // ignore clicks on holdings
7170 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7173 if (clickType == Release && x == fromX && y == fromY) {
7174 DragPieceEnd(xPix, yPix); dragging = 0;
7176 // a deferred attempt to click-click move an empty square on top of a piece
7177 boards[currentMove][y][x] = EmptySquare;
7179 DrawPosition(FALSE, boards[currentMove]);
7180 fromX = fromY = -1; clearFlag = 0;
7183 if (appData.animateDragging) {
7184 /* Undo animation damage if any */
7185 DrawPosition(FALSE, NULL);
7187 if (second || sweepSelecting) {
7188 /* Second up/down in same square; just abort move */
7189 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7190 second = sweepSelecting = 0;
7192 gatingPiece = EmptySquare;
7195 ClearPremoveHighlights();
7197 /* First upclick in same square; start click-click mode */
7198 SetHighlights(x, y, -1, -1);
7205 /* we now have a different from- and (possibly off-board) to-square */
7206 /* Completed move */
7207 if(!sweepSelecting) {
7210 } else sweepSelecting = 0; // this must be the up-click corresponding to the down-click that started the sweep
7212 saveAnimate = appData.animate;
7213 if (clickType == Press) {
7214 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7215 // must be Edit Position mode with empty-square selected
7216 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7217 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7220 if(HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7221 if(appData.sweepSelect) {
7222 ChessSquare piece = boards[currentMove][fromY][fromX];
7223 promoSweep = defaultPromoChoice;
7224 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7225 selectFlag = 0; lastX = xPix; lastY = yPix;
7226 Sweep(0); // Pawn that is going to promote: preview promotion piece
7228 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7229 MarkTargetSquares(1);
7231 return; // promo popup appears on up-click
7233 /* Finish clickclick move */
7234 if (appData.animate || appData.highlightLastMove) {
7235 SetHighlights(fromX, fromY, toX, toY);
7240 /* Finish drag move */
7241 if (appData.highlightLastMove) {
7242 SetHighlights(fromX, fromY, toX, toY);
7246 DragPieceEnd(xPix, yPix); dragging = 0;
7247 /* Don't animate move and drag both */
7248 appData.animate = FALSE;
7250 MarkTargetSquares(1);
7252 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7253 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7254 ChessSquare piece = boards[currentMove][fromY][fromX];
7255 if(gameMode == EditPosition && piece != EmptySquare &&
7256 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7259 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7260 n = PieceToNumber(piece - (int)BlackPawn);
7261 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7262 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7263 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7265 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7266 n = PieceToNumber(piece);
7267 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7268 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7269 boards[currentMove][n][BOARD_WIDTH-2]++;
7271 boards[currentMove][fromY][fromX] = EmptySquare;
7275 DrawPosition(TRUE, boards[currentMove]);
7279 // off-board moves should not be highlighted
7280 if(x < 0 || y < 0) ClearHighlights();
7282 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7284 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7285 SetHighlights(fromX, fromY, toX, toY);
7286 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7287 // [HGM] super: promotion to captured piece selected from holdings
7288 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7289 promotionChoice = TRUE;
7290 // kludge follows to temporarily execute move on display, without promoting yet
7291 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7292 boards[currentMove][toY][toX] = p;
7293 DrawPosition(FALSE, boards[currentMove]);
7294 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7295 boards[currentMove][toY][toX] = q;
7296 DisplayMessage("Click in holdings to choose piece", "");
7301 int oldMove = currentMove;
7302 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7303 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7304 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7305 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7306 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7307 DrawPosition(TRUE, boards[currentMove]);
7310 appData.animate = saveAnimate;
7311 if (appData.animate || appData.animateDragging) {
7312 /* Undo animation damage if needed */
7313 DrawPosition(FALSE, NULL);
7318 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7319 { // front-end-free part taken out of PieceMenuPopup
7320 int whichMenu; int xSqr, ySqr;
7322 if(seekGraphUp) { // [HGM] seekgraph
7323 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7324 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7328 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7329 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7330 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7331 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7332 if(action == Press) {
7333 originalFlip = flipView;
7334 flipView = !flipView; // temporarily flip board to see game from partners perspective
7335 DrawPosition(TRUE, partnerBoard);
7336 DisplayMessage(partnerStatus, "");
7338 } else if(action == Release) {
7339 flipView = originalFlip;
7340 DrawPosition(TRUE, boards[currentMove]);
7346 xSqr = EventToSquare(x, BOARD_WIDTH);
7347 ySqr = EventToSquare(y, BOARD_HEIGHT);
7348 if (action == Release) {
7349 if(pieceSweep != EmptySquare) {
7350 EditPositionMenuEvent(pieceSweep, toX, toY);
7351 pieceSweep = EmptySquare;
7352 } else UnLoadPV(); // [HGM] pv
7354 if (action != Press) return -2; // return code to be ignored
7357 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7359 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7360 if (xSqr < 0 || ySqr < 0) return -1;
7361 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7362 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7363 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7364 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7368 if(!appData.icsEngineAnalyze) return -1;
7369 case IcsPlayingWhite:
7370 case IcsPlayingBlack:
7371 if(!appData.zippyPlay) goto noZip;
7374 case MachinePlaysWhite:
7375 case MachinePlaysBlack:
7376 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7377 if (!appData.dropMenu) {
7379 return 2; // flag front-end to grab mouse events
7381 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7382 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7385 if (xSqr < 0 || ySqr < 0) return -1;
7386 if (!appData.dropMenu || appData.testLegality &&
7387 gameInfo.variant != VariantBughouse &&
7388 gameInfo.variant != VariantCrazyhouse) return -1;
7389 whichMenu = 1; // drop menu
7395 if (((*fromX = xSqr) < 0) ||
7396 ((*fromY = ySqr) < 0)) {
7397 *fromX = *fromY = -1;
7401 *fromX = BOARD_WIDTH - 1 - *fromX;
7403 *fromY = BOARD_HEIGHT - 1 - *fromY;
7409 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7411 // char * hint = lastHint;
7412 FrontEndProgramStats stats;
7414 stats.which = cps == &first ? 0 : 1;
7415 stats.depth = cpstats->depth;
7416 stats.nodes = cpstats->nodes;
7417 stats.score = cpstats->score;
7418 stats.time = cpstats->time;
7419 stats.pv = cpstats->movelist;
7420 stats.hint = lastHint;
7421 stats.an_move_index = 0;
7422 stats.an_move_count = 0;
7424 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7425 stats.hint = cpstats->move_name;
7426 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7427 stats.an_move_count = cpstats->nr_moves;
7430 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
7432 SetProgramStats( &stats );
7436 ClearEngineOutputPane (int which)
7438 static FrontEndProgramStats dummyStats;
7439 dummyStats.which = which;
7440 dummyStats.pv = "#";
7441 SetProgramStats( &dummyStats );
7444 #define MAXPLAYERS 500
7447 TourneyStandings (int display)
7449 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7450 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7451 char result, *p, *names[MAXPLAYERS];
7453 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7454 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7455 names[0] = p = strdup(appData.participants);
7456 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7458 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7460 while(result = appData.results[nr]) {
7461 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7462 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7463 wScore = bScore = 0;
7465 case '+': wScore = 2; break;
7466 case '-': bScore = 2; break;
7467 case '=': wScore = bScore = 1; break;
7469 case '*': return strdup("busy"); // tourney not finished
7477 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7478 for(w=0; w<nPlayers; w++) {
7480 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7481 ranking[w] = b; points[w] = bScore; score[b] = -2;
7483 p = malloc(nPlayers*34+1);
7484 for(w=0; w<nPlayers && w<display; w++)
7485 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7491 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7492 { // count all piece types
7494 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7495 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7496 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7499 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7500 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7501 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7502 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7503 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7504 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7509 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7511 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7512 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7514 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7515 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7516 if(myPawns == 2 && nMine == 3) // KPP
7517 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7518 if(myPawns == 1 && nMine == 2) // KP
7519 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7520 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7521 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7522 if(myPawns) return FALSE;
7523 if(pCnt[WhiteRook+side])
7524 return pCnt[BlackRook-side] ||
7525 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7526 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7527 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7528 if(pCnt[WhiteCannon+side]) {
7529 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7530 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7532 if(pCnt[WhiteKnight+side])
7533 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7538 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7540 VariantClass v = gameInfo.variant;
7542 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7543 if(v == VariantShatranj) return TRUE; // always winnable through baring
7544 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7545 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7547 if(v == VariantXiangqi) {
7548 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7550 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7551 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7552 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7553 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7554 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7555 if(stale) // we have at least one last-rank P plus perhaps C
7556 return majors // KPKX
7557 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7559 return pCnt[WhiteFerz+side] // KCAK
7560 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7561 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7562 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7564 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7565 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7567 if(nMine == 1) return FALSE; // bare King
7568 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
7569 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7570 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7571 // by now we have King + 1 piece (or multiple Bishops on the same color)
7572 if(pCnt[WhiteKnight+side])
7573 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7574 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7575 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7577 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7578 if(pCnt[WhiteAlfil+side])
7579 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7580 if(pCnt[WhiteWazir+side])
7581 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7588 CompareWithRights (Board b1, Board b2)
7591 if(!CompareBoards(b1, b2)) return FALSE;
7592 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7593 /* compare castling rights */
7594 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7595 rights++; /* King lost rights, while rook still had them */
7596 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7597 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7598 rights++; /* but at least one rook lost them */
7600 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7602 if( b1[CASTLING][5] != NoRights ) {
7603 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7610 Adjudicate (ChessProgramState *cps)
7611 { // [HGM] some adjudications useful with buggy engines
7612 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7613 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7614 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7615 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7616 int k, count = 0; static int bare = 1;
7617 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7618 Boolean canAdjudicate = !appData.icsActive;
7620 // most tests only when we understand the game, i.e. legality-checking on
7621 if( appData.testLegality )
7622 { /* [HGM] Some more adjudications for obstinate engines */
7623 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7624 static int moveCount = 6;
7626 char *reason = NULL;
7628 /* Count what is on board. */
7629 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7631 /* Some material-based adjudications that have to be made before stalemate test */
7632 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7633 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7634 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7635 if(canAdjudicate && appData.checkMates) {
7637 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7638 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7639 "Xboard adjudication: King destroyed", GE_XBOARD );
7644 /* Bare King in Shatranj (loses) or Losers (wins) */
7645 if( nrW == 1 || nrB == 1) {
7646 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7647 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7648 if(canAdjudicate && appData.checkMates) {
7650 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7651 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7652 "Xboard adjudication: Bare king", GE_XBOARD );
7656 if( gameInfo.variant == VariantShatranj && --bare < 0)
7658 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7659 if(canAdjudicate && appData.checkMates) {
7660 /* but only adjudicate if adjudication enabled */
7662 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7663 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7664 "Xboard adjudication: Bare king", GE_XBOARD );
7671 // don't wait for engine to announce game end if we can judge ourselves
7672 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7674 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7675 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7676 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7677 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7680 reason = "Xboard adjudication: 3rd check";
7681 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7691 reason = "Xboard adjudication: Stalemate";
7692 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7693 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7694 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7695 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7696 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7697 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7698 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7699 EP_CHECKMATE : EP_WINS);
7700 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7701 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7705 reason = "Xboard adjudication: Checkmate";
7706 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7710 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7712 result = GameIsDrawn; break;
7714 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7716 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7720 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7722 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7723 GameEnds( result, reason, GE_XBOARD );
7727 /* Next absolutely insufficient mating material. */
7728 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7729 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7730 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7732 /* always flag draws, for judging claims */
7733 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7735 if(canAdjudicate && appData.materialDraws) {
7736 /* but only adjudicate them if adjudication enabled */
7737 if(engineOpponent) {
7738 SendToProgram("force\n", engineOpponent); // suppress reply
7739 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7741 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7746 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7747 if(gameInfo.variant == VariantXiangqi ?
7748 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7750 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7751 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7752 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7753 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7755 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7756 { /* if the first 3 moves do not show a tactical win, declare draw */
7757 if(engineOpponent) {
7758 SendToProgram("force\n", engineOpponent); // suppress reply
7759 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7761 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7764 } else moveCount = 6;
7767 // Repetition draws and 50-move rule can be applied independently of legality testing
7769 /* Check for rep-draws */
7771 for(k = forwardMostMove-2;
7772 k>=backwardMostMove && k>=forwardMostMove-100 &&
7773 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7774 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7777 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7778 /* compare castling rights */
7779 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7780 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7781 rights++; /* King lost rights, while rook still had them */
7782 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7783 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7784 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7785 rights++; /* but at least one rook lost them */
7787 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7788 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7790 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7791 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7792 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7795 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7796 && appData.drawRepeats > 1) {
7797 /* adjudicate after user-specified nr of repeats */
7798 int result = GameIsDrawn;
7799 char *details = "XBoard adjudication: repetition draw";
7800 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7801 // [HGM] xiangqi: check for forbidden perpetuals
7802 int m, ourPerpetual = 1, hisPerpetual = 1;
7803 for(m=forwardMostMove; m>k; m-=2) {
7804 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7805 ourPerpetual = 0; // the current mover did not always check
7806 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7807 hisPerpetual = 0; // the opponent did not always check
7809 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7810 ourPerpetual, hisPerpetual);
7811 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7812 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7813 details = "Xboard adjudication: perpetual checking";
7815 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7816 break; // (or we would have caught him before). Abort repetition-checking loop.
7818 // Now check for perpetual chases
7819 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7820 hisPerpetual = PerpetualChase(k, forwardMostMove);
7821 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7822 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7823 static char resdet[MSG_SIZ];
7824 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7826 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7828 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7829 break; // Abort repetition-checking loop.
7831 // if neither of us is checking or chasing all the time, or both are, it is draw
7833 if(engineOpponent) {
7834 SendToProgram("force\n", engineOpponent); // suppress reply
7835 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7837 GameEnds( result, details, GE_XBOARD );
7840 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7841 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7845 /* Now we test for 50-move draws. Determine ply count */
7846 count = forwardMostMove;
7847 /* look for last irreversble move */
7848 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7850 /* if we hit starting position, add initial plies */
7851 if( count == backwardMostMove )
7852 count -= initialRulePlies;
7853 count = forwardMostMove - count;
7854 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7855 // adjust reversible move counter for checks in Xiangqi
7856 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7857 if(i < backwardMostMove) i = backwardMostMove;
7858 while(i <= forwardMostMove) {
7859 lastCheck = inCheck; // check evasion does not count
7860 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7861 if(inCheck || lastCheck) count--; // check does not count
7866 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7867 /* this is used to judge if draw claims are legal */
7868 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7869 if(engineOpponent) {
7870 SendToProgram("force\n", engineOpponent); // suppress reply
7871 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7873 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7877 /* if draw offer is pending, treat it as a draw claim
7878 * when draw condition present, to allow engines a way to
7879 * claim draws before making their move to avoid a race
7880 * condition occurring after their move
7882 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7884 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7885 p = "Draw claim: 50-move rule";
7886 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7887 p = "Draw claim: 3-fold repetition";
7888 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7889 p = "Draw claim: insufficient mating material";
7890 if( p != NULL && canAdjudicate) {
7891 if(engineOpponent) {
7892 SendToProgram("force\n", engineOpponent); // suppress reply
7893 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7895 GameEnds( GameIsDrawn, p, GE_XBOARD );
7900 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7901 if(engineOpponent) {
7902 SendToProgram("force\n", engineOpponent); // suppress reply
7903 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7905 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7912 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7913 { // [HGM] book: this routine intercepts moves to simulate book replies
7914 char *bookHit = NULL;
7916 //first determine if the incoming move brings opponent into his book
7917 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7918 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7919 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7920 if(bookHit != NULL && !cps->bookSuspend) {
7921 // make sure opponent is not going to reply after receiving move to book position
7922 SendToProgram("force\n", cps);
7923 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7925 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7926 // now arrange restart after book miss
7928 // after a book hit we never send 'go', and the code after the call to this routine
7929 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7930 char buf[MSG_SIZ], *move = bookHit;
7932 int fromX, fromY, toX, toY;
7936 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7937 &fromX, &fromY, &toX, &toY, &promoChar)) {
7938 (void) CoordsToAlgebraic(boards[forwardMostMove],
7939 PosFlags(forwardMostMove),
7940 fromY, fromX, toY, toX, promoChar, move);
7942 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7946 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7947 SendToProgram(buf, cps);
7948 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7949 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7950 SendToProgram("go\n", cps);
7951 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7952 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7953 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7954 SendToProgram("go\n", cps);
7955 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7957 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7961 LoadError (char *errmess, ChessProgramState *cps)
7962 { // unloads engine and switches back to -ncp mode if it was first
7963 if(cps->initDone) return FALSE;
7964 cps->isr = NULL; // this should suppress further error popups from breaking pipes
7965 DestroyChildProcess(cps->pr, 9 ); // just to be sure
7968 appData.noChessProgram = TRUE;
7969 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
7970 gameMode = BeginningOfGame; ModeHighlight();
7973 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
7974 DisplayMessage("", ""); // erase waiting message
7975 if(errmess) DisplayError(errmess, 0); // announce reason, if given
7980 ChessProgramState *savedState;
7982 DeferredBookMove (void)
7984 if(savedState->lastPing != savedState->lastPong)
7985 ScheduleDelayedEvent(DeferredBookMove, 10);
7987 HandleMachineMove(savedMessage, savedState);
7990 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7993 HandleMachineMove (char *message, ChessProgramState *cps)
7995 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7996 char realname[MSG_SIZ];
7997 int fromX, fromY, toX, toY;
8001 int machineWhite, oldError;
8004 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8005 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8006 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8007 DisplayError(_("Invalid pairing from pairing engine"), 0);
8010 pairingReceived = 1;
8012 return; // Skim the pairing messages here.
8015 oldError = cps->userError; cps->userError = 0;
8017 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8019 * Kludge to ignore BEL characters
8021 while (*message == '\007') message++;
8024 * [HGM] engine debug message: ignore lines starting with '#' character
8026 if(cps->debug && *message == '#') return;
8029 * Look for book output
8031 if (cps == &first && bookRequested) {
8032 if (message[0] == '\t' || message[0] == ' ') {
8033 /* Part of the book output is here; append it */
8034 strcat(bookOutput, message);
8035 strcat(bookOutput, " \n");
8037 } else if (bookOutput[0] != NULLCHAR) {
8038 /* All of book output has arrived; display it */
8039 char *p = bookOutput;
8040 while (*p != NULLCHAR) {
8041 if (*p == '\t') *p = ' ';
8044 DisplayInformation(bookOutput);
8045 bookRequested = FALSE;
8046 /* Fall through to parse the current output */
8051 * Look for machine move.
8053 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8054 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8056 /* This method is only useful on engines that support ping */
8057 if (cps->lastPing != cps->lastPong) {
8058 if (gameMode == BeginningOfGame) {
8059 /* Extra move from before last new; ignore */
8060 if (appData.debugMode) {
8061 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8064 if (appData.debugMode) {
8065 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8066 cps->which, gameMode);
8069 SendToProgram("undo\n", cps);
8075 case BeginningOfGame:
8076 /* Extra move from before last reset; ignore */
8077 if (appData.debugMode) {
8078 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8085 /* Extra move after we tried to stop. The mode test is
8086 not a reliable way of detecting this problem, but it's
8087 the best we can do on engines that don't support ping.
8089 if (appData.debugMode) {
8090 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8091 cps->which, gameMode);
8093 SendToProgram("undo\n", cps);
8096 case MachinePlaysWhite:
8097 case IcsPlayingWhite:
8098 machineWhite = TRUE;
8101 case MachinePlaysBlack:
8102 case IcsPlayingBlack:
8103 machineWhite = FALSE;
8106 case TwoMachinesPlay:
8107 machineWhite = (cps->twoMachinesColor[0] == 'w');
8110 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8111 if (appData.debugMode) {
8113 "Ignoring move out of turn by %s, gameMode %d"
8114 ", forwardMost %d\n",
8115 cps->which, gameMode, forwardMostMove);
8120 if(cps->alphaRank) AlphaRank(machineMove, 4);
8121 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8122 &fromX, &fromY, &toX, &toY, &promoChar)) {
8123 /* Machine move could not be parsed; ignore it. */
8124 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8125 machineMove, _(cps->which));
8126 DisplayError(buf1, 0);
8127 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
8128 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
8129 if (gameMode == TwoMachinesPlay) {
8130 GameEnds(machineWhite ? BlackWins : WhiteWins,
8136 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8137 /* So we have to redo legality test with true e.p. status here, */
8138 /* to make sure an illegal e.p. capture does not slip through, */
8139 /* to cause a forfeit on a justified illegal-move complaint */
8140 /* of the opponent. */
8141 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8143 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8144 fromY, fromX, toY, toX, promoChar);
8145 if(moveType == IllegalMove) {
8146 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8147 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8148 GameEnds(machineWhite ? BlackWins : WhiteWins,
8151 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
8152 /* [HGM] Kludge to handle engines that send FRC-style castling
8153 when they shouldn't (like TSCP-Gothic) */
8155 case WhiteASideCastleFR:
8156 case BlackASideCastleFR:
8158 currentMoveString[2]++;
8160 case WhiteHSideCastleFR:
8161 case BlackHSideCastleFR:
8163 currentMoveString[2]--;
8165 default: ; // nothing to do, but suppresses warning of pedantic compilers
8168 hintRequested = FALSE;
8169 lastHint[0] = NULLCHAR;
8170 bookRequested = FALSE;
8171 /* Program may be pondering now */
8172 cps->maybeThinking = TRUE;
8173 if (cps->sendTime == 2) cps->sendTime = 1;
8174 if (cps->offeredDraw) cps->offeredDraw--;
8176 /* [AS] Save move info*/
8177 pvInfoList[ forwardMostMove ].score = programStats.score;
8178 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8179 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8181 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8183 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8184 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8187 while( count < adjudicateLossPlies ) {
8188 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8191 score = -score; /* Flip score for winning side */
8194 if( score > adjudicateLossThreshold ) {
8201 if( count >= adjudicateLossPlies ) {
8202 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8204 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8205 "Xboard adjudication",
8212 if(Adjudicate(cps)) {
8213 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8214 return; // [HGM] adjudicate: for all automatic game ends
8218 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8220 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8221 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8223 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8225 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8227 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8228 char buf[3*MSG_SIZ];
8230 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8231 programStats.score / 100.,
8233 programStats.time / 100.,
8234 (unsigned int)programStats.nodes,
8235 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8236 programStats.movelist);
8238 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8243 /* [AS] Clear stats for next move */
8244 ClearProgramStats();
8245 thinkOutput[0] = NULLCHAR;
8246 hiddenThinkOutputState = 0;
8249 if (gameMode == TwoMachinesPlay) {
8250 /* [HGM] relaying draw offers moved to after reception of move */
8251 /* and interpreting offer as claim if it brings draw condition */
8252 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8253 SendToProgram("draw\n", cps->other);
8255 if (cps->other->sendTime) {
8256 SendTimeRemaining(cps->other,
8257 cps->other->twoMachinesColor[0] == 'w');
8259 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8260 if (firstMove && !bookHit) {
8262 if (cps->other->useColors) {
8263 SendToProgram(cps->other->twoMachinesColor, cps->other);
8265 SendToProgram("go\n", cps->other);
8267 cps->other->maybeThinking = TRUE;
8270 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8272 if (!pausing && appData.ringBellAfterMoves) {
8277 * Reenable menu items that were disabled while
8278 * machine was thinking
8280 if (gameMode != TwoMachinesPlay)
8281 SetUserThinkingEnables();
8283 // [HGM] book: after book hit opponent has received move and is now in force mode
8284 // force the book reply into it, and then fake that it outputted this move by jumping
8285 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8287 static char bookMove[MSG_SIZ]; // a bit generous?
8289 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8290 strcat(bookMove, bookHit);
8293 programStats.nodes = programStats.depth = programStats.time =
8294 programStats.score = programStats.got_only_move = 0;
8295 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8297 if(cps->lastPing != cps->lastPong) {
8298 savedMessage = message; // args for deferred call
8300 ScheduleDelayedEvent(DeferredBookMove, 10);
8309 /* Set special modes for chess engines. Later something general
8310 * could be added here; for now there is just one kludge feature,
8311 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8312 * when "xboard" is given as an interactive command.
8314 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8315 cps->useSigint = FALSE;
8316 cps->useSigterm = FALSE;
8318 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8319 ParseFeatures(message+8, cps);
8320 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8323 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8324 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8325 int dummy, s=6; char buf[MSG_SIZ];
8326 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8327 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8328 if(startedFromSetupPosition) return;
8329 ParseFEN(boards[0], &dummy, message+s);
8330 DrawPosition(TRUE, boards[0]);
8331 startedFromSetupPosition = TRUE;
8334 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8335 * want this, I was asked to put it in, and obliged.
8337 if (!strncmp(message, "setboard ", 9)) {
8338 Board initial_position;
8340 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8342 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8343 DisplayError(_("Bad FEN received from engine"), 0);
8347 CopyBoard(boards[0], initial_position);
8348 initialRulePlies = FENrulePlies;
8349 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8350 else gameMode = MachinePlaysBlack;
8351 DrawPosition(FALSE, boards[currentMove]);
8357 * Look for communication commands
8359 if (!strncmp(message, "telluser ", 9)) {
8360 if(message[9] == '\\' && message[10] == '\\')
8361 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8363 DisplayNote(message + 9);
8366 if (!strncmp(message, "tellusererror ", 14)) {
8368 if(message[14] == '\\' && message[15] == '\\')
8369 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8371 DisplayError(message + 14, 0);
8374 if (!strncmp(message, "tellopponent ", 13)) {
8375 if (appData.icsActive) {
8377 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8381 DisplayNote(message + 13);
8385 if (!strncmp(message, "tellothers ", 11)) {
8386 if (appData.icsActive) {
8388 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8394 if (!strncmp(message, "tellall ", 8)) {
8395 if (appData.icsActive) {
8397 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8401 DisplayNote(message + 8);
8405 if (strncmp(message, "warning", 7) == 0) {
8406 /* Undocumented feature, use tellusererror in new code */
8407 DisplayError(message, 0);
8410 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8411 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8412 strcat(realname, " query");
8413 AskQuestion(realname, buf2, buf1, cps->pr);
8416 /* Commands from the engine directly to ICS. We don't allow these to be
8417 * sent until we are logged on. Crafty kibitzes have been known to
8418 * interfere with the login process.
8421 if (!strncmp(message, "tellics ", 8)) {
8422 SendToICS(message + 8);
8426 if (!strncmp(message, "tellicsnoalias ", 15)) {
8427 SendToICS(ics_prefix);
8428 SendToICS(message + 15);
8432 /* The following are for backward compatibility only */
8433 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8434 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8435 SendToICS(ics_prefix);
8441 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8445 * If the move is illegal, cancel it and redraw the board.
8446 * Also deal with other error cases. Matching is rather loose
8447 * here to accommodate engines written before the spec.
8449 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8450 strncmp(message, "Error", 5) == 0) {
8451 if (StrStr(message, "name") ||
8452 StrStr(message, "rating") || StrStr(message, "?") ||
8453 StrStr(message, "result") || StrStr(message, "board") ||
8454 StrStr(message, "bk") || StrStr(message, "computer") ||
8455 StrStr(message, "variant") || StrStr(message, "hint") ||
8456 StrStr(message, "random") || StrStr(message, "depth") ||
8457 StrStr(message, "accepted")) {
8460 if (StrStr(message, "protover")) {
8461 /* Program is responding to input, so it's apparently done
8462 initializing, and this error message indicates it is
8463 protocol version 1. So we don't need to wait any longer
8464 for it to initialize and send feature commands. */
8465 FeatureDone(cps, 1);
8466 cps->protocolVersion = 1;
8469 cps->maybeThinking = FALSE;
8471 if (StrStr(message, "draw")) {
8472 /* Program doesn't have "draw" command */
8473 cps->sendDrawOffers = 0;
8476 if (cps->sendTime != 1 &&
8477 (StrStr(message, "time") || StrStr(message, "otim"))) {
8478 /* Program apparently doesn't have "time" or "otim" command */
8482 if (StrStr(message, "analyze")) {
8483 cps->analysisSupport = FALSE;
8484 cps->analyzing = FALSE;
8485 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8486 EditGameEvent(); // [HGM] try to preserve loaded game
8487 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8488 DisplayError(buf2, 0);
8491 if (StrStr(message, "(no matching move)st")) {
8492 /* Special kludge for GNU Chess 4 only */
8493 cps->stKludge = TRUE;
8494 SendTimeControl(cps, movesPerSession, timeControl,
8495 timeIncrement, appData.searchDepth,
8499 if (StrStr(message, "(no matching move)sd")) {
8500 /* Special kludge for GNU Chess 4 only */
8501 cps->sdKludge = TRUE;
8502 SendTimeControl(cps, movesPerSession, timeControl,
8503 timeIncrement, appData.searchDepth,
8507 if (!StrStr(message, "llegal")) {
8510 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8511 gameMode == IcsIdle) return;
8512 if (forwardMostMove <= backwardMostMove) return;
8513 if (pausing) PauseEvent();
8514 if(appData.forceIllegal) {
8515 // [HGM] illegal: machine refused move; force position after move into it
8516 SendToProgram("force\n", cps);
8517 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8518 // we have a real problem now, as SendBoard will use the a2a3 kludge
8519 // when black is to move, while there might be nothing on a2 or black
8520 // might already have the move. So send the board as if white has the move.
8521 // But first we must change the stm of the engine, as it refused the last move
8522 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8523 if(WhiteOnMove(forwardMostMove)) {
8524 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8525 SendBoard(cps, forwardMostMove); // kludgeless board
8527 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8528 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8529 SendBoard(cps, forwardMostMove+1); // kludgeless board
8531 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8532 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8533 gameMode == TwoMachinesPlay)
8534 SendToProgram("go\n", cps);
8537 if (gameMode == PlayFromGameFile) {
8538 /* Stop reading this game file */
8539 gameMode = EditGame;
8542 /* [HGM] illegal-move claim should forfeit game when Xboard */
8543 /* only passes fully legal moves */
8544 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8545 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8546 "False illegal-move claim", GE_XBOARD );
8547 return; // do not take back move we tested as valid
8549 currentMove = forwardMostMove-1;
8550 DisplayMove(currentMove-1); /* before DisplayMoveError */
8551 SwitchClocks(forwardMostMove-1); // [HGM] race
8552 DisplayBothClocks();
8553 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8554 parseList[currentMove], _(cps->which));
8555 DisplayMoveError(buf1);
8556 DrawPosition(FALSE, boards[currentMove]);
8558 SetUserThinkingEnables();
8561 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8562 /* Program has a broken "time" command that
8563 outputs a string not ending in newline.
8569 * If chess program startup fails, exit with an error message.
8570 * Attempts to recover here are futile. [HGM] Well, we try anyway
8572 if ((StrStr(message, "unknown host") != NULL)
8573 || (StrStr(message, "No remote directory") != NULL)
8574 || (StrStr(message, "not found") != NULL)
8575 || (StrStr(message, "No such file") != NULL)
8576 || (StrStr(message, "can't alloc") != NULL)
8577 || (StrStr(message, "Permission denied") != NULL)) {
8579 cps->maybeThinking = FALSE;
8580 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8581 _(cps->which), cps->program, cps->host, message);
8582 RemoveInputSource(cps->isr);
8583 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8584 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
8585 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
8591 * Look for hint output
8593 if (sscanf(message, "Hint: %s", buf1) == 1) {
8594 if (cps == &first && hintRequested) {
8595 hintRequested = FALSE;
8596 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8597 &fromX, &fromY, &toX, &toY, &promoChar)) {
8598 (void) CoordsToAlgebraic(boards[forwardMostMove],
8599 PosFlags(forwardMostMove),
8600 fromY, fromX, toY, toX, promoChar, buf1);
8601 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8602 DisplayInformation(buf2);
8604 /* Hint move could not be parsed!? */
8605 snprintf(buf2, sizeof(buf2),
8606 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8607 buf1, _(cps->which));
8608 DisplayError(buf2, 0);
8611 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8617 * Ignore other messages if game is not in progress
8619 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8620 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8623 * look for win, lose, draw, or draw offer
8625 if (strncmp(message, "1-0", 3) == 0) {
8626 char *p, *q, *r = "";
8627 p = strchr(message, '{');
8635 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8637 } else if (strncmp(message, "0-1", 3) == 0) {
8638 char *p, *q, *r = "";
8639 p = strchr(message, '{');
8647 /* Kludge for Arasan 4.1 bug */
8648 if (strcmp(r, "Black resigns") == 0) {
8649 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8652 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8654 } else if (strncmp(message, "1/2", 3) == 0) {
8655 char *p, *q, *r = "";
8656 p = strchr(message, '{');
8665 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8668 } else if (strncmp(message, "White resign", 12) == 0) {
8669 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8671 } else if (strncmp(message, "Black resign", 12) == 0) {
8672 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8674 } else if (strncmp(message, "White matches", 13) == 0 ||
8675 strncmp(message, "Black matches", 13) == 0 ) {
8676 /* [HGM] ignore GNUShogi noises */
8678 } else if (strncmp(message, "White", 5) == 0 &&
8679 message[5] != '(' &&
8680 StrStr(message, "Black") == NULL) {
8681 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8683 } else if (strncmp(message, "Black", 5) == 0 &&
8684 message[5] != '(') {
8685 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8687 } else if (strcmp(message, "resign") == 0 ||
8688 strcmp(message, "computer resigns") == 0) {
8690 case MachinePlaysBlack:
8691 case IcsPlayingBlack:
8692 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8694 case MachinePlaysWhite:
8695 case IcsPlayingWhite:
8696 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8698 case TwoMachinesPlay:
8699 if (cps->twoMachinesColor[0] == 'w')
8700 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8702 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8709 } else if (strncmp(message, "opponent mates", 14) == 0) {
8711 case MachinePlaysBlack:
8712 case IcsPlayingBlack:
8713 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8715 case MachinePlaysWhite:
8716 case IcsPlayingWhite:
8717 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8719 case TwoMachinesPlay:
8720 if (cps->twoMachinesColor[0] == 'w')
8721 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8723 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8730 } else if (strncmp(message, "computer mates", 14) == 0) {
8732 case MachinePlaysBlack:
8733 case IcsPlayingBlack:
8734 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8736 case MachinePlaysWhite:
8737 case IcsPlayingWhite:
8738 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8740 case TwoMachinesPlay:
8741 if (cps->twoMachinesColor[0] == 'w')
8742 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8744 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8751 } else if (strncmp(message, "checkmate", 9) == 0) {
8752 if (WhiteOnMove(forwardMostMove)) {
8753 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8755 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8758 } else if (strstr(message, "Draw") != NULL ||
8759 strstr(message, "game is a draw") != NULL) {
8760 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8762 } else if (strstr(message, "offer") != NULL &&
8763 strstr(message, "draw") != NULL) {
8765 if (appData.zippyPlay && first.initDone) {
8766 /* Relay offer to ICS */
8767 SendToICS(ics_prefix);
8768 SendToICS("draw\n");
8771 cps->offeredDraw = 2; /* valid until this engine moves twice */
8772 if (gameMode == TwoMachinesPlay) {
8773 if (cps->other->offeredDraw) {
8774 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8775 /* [HGM] in two-machine mode we delay relaying draw offer */
8776 /* until after we also have move, to see if it is really claim */
8778 } else if (gameMode == MachinePlaysWhite ||
8779 gameMode == MachinePlaysBlack) {
8780 if (userOfferedDraw) {
8781 DisplayInformation(_("Machine accepts your draw offer"));
8782 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8784 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8791 * Look for thinking output
8793 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8794 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8796 int plylev, mvleft, mvtot, curscore, time;
8797 char mvname[MOVE_LEN];
8801 int prefixHint = FALSE;
8802 mvname[0] = NULLCHAR;
8805 case MachinePlaysBlack:
8806 case IcsPlayingBlack:
8807 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8809 case MachinePlaysWhite:
8810 case IcsPlayingWhite:
8811 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8816 case IcsObserving: /* [DM] icsEngineAnalyze */
8817 if (!appData.icsEngineAnalyze) ignore = TRUE;
8819 case TwoMachinesPlay:
8820 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8830 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8832 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8833 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8835 if (plyext != ' ' && plyext != '\t') {
8839 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8840 if( cps->scoreIsAbsolute &&
8841 ( gameMode == MachinePlaysBlack ||
8842 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8843 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8844 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8845 !WhiteOnMove(currentMove)
8848 curscore = -curscore;
8851 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8853 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8856 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8857 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8858 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8859 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8860 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8861 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8863 } else DisplayError(_("failed writing PV"), 0);
8866 tempStats.depth = plylev;
8867 tempStats.nodes = nodes;
8868 tempStats.time = time;
8869 tempStats.score = curscore;
8870 tempStats.got_only_move = 0;
8872 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8875 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8876 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8877 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8878 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8879 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8880 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8881 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8882 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8885 /* Buffer overflow protection */
8886 if (pv[0] != NULLCHAR) {
8887 if (strlen(pv) >= sizeof(tempStats.movelist)
8888 && appData.debugMode) {
8890 "PV is too long; using the first %u bytes.\n",
8891 (unsigned) sizeof(tempStats.movelist) - 1);
8894 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8896 sprintf(tempStats.movelist, " no PV\n");
8899 if (tempStats.seen_stat) {
8900 tempStats.ok_to_send = 1;
8903 if (strchr(tempStats.movelist, '(') != NULL) {
8904 tempStats.line_is_book = 1;
8905 tempStats.nr_moves = 0;
8906 tempStats.moves_left = 0;
8908 tempStats.line_is_book = 0;
8911 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8912 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8914 SendProgramStatsToFrontend( cps, &tempStats );
8917 [AS] Protect the thinkOutput buffer from overflow... this
8918 is only useful if buf1 hasn't overflowed first!
8920 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8922 (gameMode == TwoMachinesPlay ?
8923 ToUpper(cps->twoMachinesColor[0]) : ' '),
8924 ((double) curscore) / 100.0,
8925 prefixHint ? lastHint : "",
8926 prefixHint ? " " : "" );
8928 if( buf1[0] != NULLCHAR ) {
8929 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8931 if( strlen(pv) > max_len ) {
8932 if( appData.debugMode) {
8933 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8935 pv[max_len+1] = '\0';
8938 strcat( thinkOutput, pv);
8941 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8942 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8943 DisplayMove(currentMove - 1);
8947 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8948 /* crafty (9.25+) says "(only move) <move>"
8949 * if there is only 1 legal move
8951 sscanf(p, "(only move) %s", buf1);
8952 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8953 sprintf(programStats.movelist, "%s (only move)", buf1);
8954 programStats.depth = 1;
8955 programStats.nr_moves = 1;
8956 programStats.moves_left = 1;
8957 programStats.nodes = 1;
8958 programStats.time = 1;
8959 programStats.got_only_move = 1;
8961 /* Not really, but we also use this member to
8962 mean "line isn't going to change" (Crafty
8963 isn't searching, so stats won't change) */
8964 programStats.line_is_book = 1;
8966 SendProgramStatsToFrontend( cps, &programStats );
8968 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8969 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8970 DisplayMove(currentMove - 1);
8973 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8974 &time, &nodes, &plylev, &mvleft,
8975 &mvtot, mvname) >= 5) {
8976 /* The stat01: line is from Crafty (9.29+) in response
8977 to the "." command */
8978 programStats.seen_stat = 1;
8979 cps->maybeThinking = TRUE;
8981 if (programStats.got_only_move || !appData.periodicUpdates)
8984 programStats.depth = plylev;
8985 programStats.time = time;
8986 programStats.nodes = nodes;
8987 programStats.moves_left = mvleft;
8988 programStats.nr_moves = mvtot;
8989 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8990 programStats.ok_to_send = 1;
8991 programStats.movelist[0] = '\0';
8993 SendProgramStatsToFrontend( cps, &programStats );
8997 } else if (strncmp(message,"++",2) == 0) {
8998 /* Crafty 9.29+ outputs this */
8999 programStats.got_fail = 2;
9002 } else if (strncmp(message,"--",2) == 0) {
9003 /* Crafty 9.29+ outputs this */
9004 programStats.got_fail = 1;
9007 } else if (thinkOutput[0] != NULLCHAR &&
9008 strncmp(message, " ", 4) == 0) {
9009 unsigned message_len;
9012 while (*p && *p == ' ') p++;
9014 message_len = strlen( p );
9016 /* [AS] Avoid buffer overflow */
9017 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9018 strcat(thinkOutput, " ");
9019 strcat(thinkOutput, p);
9022 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9023 strcat(programStats.movelist, " ");
9024 strcat(programStats.movelist, p);
9027 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9028 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9029 DisplayMove(currentMove - 1);
9037 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9038 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9040 ChessProgramStats cpstats;
9042 if (plyext != ' ' && plyext != '\t') {
9046 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9047 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9048 curscore = -curscore;
9051 cpstats.depth = plylev;
9052 cpstats.nodes = nodes;
9053 cpstats.time = time;
9054 cpstats.score = curscore;
9055 cpstats.got_only_move = 0;
9056 cpstats.movelist[0] = '\0';
9058 if (buf1[0] != NULLCHAR) {
9059 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9062 cpstats.ok_to_send = 0;
9063 cpstats.line_is_book = 0;
9064 cpstats.nr_moves = 0;
9065 cpstats.moves_left = 0;
9067 SendProgramStatsToFrontend( cps, &cpstats );
9074 /* Parse a game score from the character string "game", and
9075 record it as the history of the current game. The game
9076 score is NOT assumed to start from the standard position.
9077 The display is not updated in any way.
9080 ParseGameHistory (char *game)
9083 int fromX, fromY, toX, toY, boardIndex;
9088 if (appData.debugMode)
9089 fprintf(debugFP, "Parsing game history: %s\n", game);
9091 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9092 gameInfo.site = StrSave(appData.icsHost);
9093 gameInfo.date = PGNDate();
9094 gameInfo.round = StrSave("-");
9096 /* Parse out names of players */
9097 while (*game == ' ') game++;
9099 while (*game != ' ') *p++ = *game++;
9101 gameInfo.white = StrSave(buf);
9102 while (*game == ' ') game++;
9104 while (*game != ' ' && *game != '\n') *p++ = *game++;
9106 gameInfo.black = StrSave(buf);
9109 boardIndex = blackPlaysFirst ? 1 : 0;
9112 yyboardindex = boardIndex;
9113 moveType = (ChessMove) Myylex();
9115 case IllegalMove: /* maybe suicide chess, etc. */
9116 if (appData.debugMode) {
9117 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9118 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9119 setbuf(debugFP, NULL);
9121 case WhitePromotion:
9122 case BlackPromotion:
9123 case WhiteNonPromotion:
9124 case BlackNonPromotion:
9126 case WhiteCapturesEnPassant:
9127 case BlackCapturesEnPassant:
9128 case WhiteKingSideCastle:
9129 case WhiteQueenSideCastle:
9130 case BlackKingSideCastle:
9131 case BlackQueenSideCastle:
9132 case WhiteKingSideCastleWild:
9133 case WhiteQueenSideCastleWild:
9134 case BlackKingSideCastleWild:
9135 case BlackQueenSideCastleWild:
9137 case WhiteHSideCastleFR:
9138 case WhiteASideCastleFR:
9139 case BlackHSideCastleFR:
9140 case BlackASideCastleFR:
9142 fromX = currentMoveString[0] - AAA;
9143 fromY = currentMoveString[1] - ONE;
9144 toX = currentMoveString[2] - AAA;
9145 toY = currentMoveString[3] - ONE;
9146 promoChar = currentMoveString[4];
9150 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9151 fromX = moveType == WhiteDrop ?
9152 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9153 (int) CharToPiece(ToLower(currentMoveString[0]));
9155 toX = currentMoveString[2] - AAA;
9156 toY = currentMoveString[3] - ONE;
9157 promoChar = NULLCHAR;
9161 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9162 if (appData.debugMode) {
9163 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9164 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9165 setbuf(debugFP, NULL);
9167 DisplayError(buf, 0);
9169 case ImpossibleMove:
9171 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9172 if (appData.debugMode) {
9173 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9174 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9175 setbuf(debugFP, NULL);
9177 DisplayError(buf, 0);
9180 if (boardIndex < backwardMostMove) {
9181 /* Oops, gap. How did that happen? */
9182 DisplayError(_("Gap in move list"), 0);
9185 backwardMostMove = blackPlaysFirst ? 1 : 0;
9186 if (boardIndex > forwardMostMove) {
9187 forwardMostMove = boardIndex;
9191 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9192 strcat(parseList[boardIndex-1], " ");
9193 strcat(parseList[boardIndex-1], yy_text);
9205 case GameUnfinished:
9206 if (gameMode == IcsExamining) {
9207 if (boardIndex < backwardMostMove) {
9208 /* Oops, gap. How did that happen? */
9211 backwardMostMove = blackPlaysFirst ? 1 : 0;
9214 gameInfo.result = moveType;
9215 p = strchr(yy_text, '{');
9216 if (p == NULL) p = strchr(yy_text, '(');
9219 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9221 q = strchr(p, *p == '{' ? '}' : ')');
9222 if (q != NULL) *q = NULLCHAR;
9225 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9226 gameInfo.resultDetails = StrSave(p);
9229 if (boardIndex >= forwardMostMove &&
9230 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9231 backwardMostMove = blackPlaysFirst ? 1 : 0;
9234 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9235 fromY, fromX, toY, toX, promoChar,
9236 parseList[boardIndex]);
9237 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9238 /* currentMoveString is set as a side-effect of yylex */
9239 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9240 strcat(moveList[boardIndex], "\n");
9242 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9243 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9249 if(gameInfo.variant != VariantShogi)
9250 strcat(parseList[boardIndex - 1], "+");
9254 strcat(parseList[boardIndex - 1], "#");
9261 /* Apply a move to the given board */
9263 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9265 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9266 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9268 /* [HGM] compute & store e.p. status and castling rights for new position */
9269 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9271 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9272 oldEP = (signed char)board[EP_STATUS];
9273 board[EP_STATUS] = EP_NONE;
9275 if (fromY == DROP_RANK) {
9277 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9278 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9281 piece = board[toY][toX] = (ChessSquare) fromX;
9285 if( board[toY][toX] != EmptySquare )
9286 board[EP_STATUS] = EP_CAPTURE;
9288 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9289 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9290 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9292 if( board[fromY][fromX] == WhitePawn ) {
9293 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9294 board[EP_STATUS] = EP_PAWN_MOVE;
9296 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9297 gameInfo.variant != VariantBerolina || toX < fromX)
9298 board[EP_STATUS] = toX | berolina;
9299 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9300 gameInfo.variant != VariantBerolina || toX > fromX)
9301 board[EP_STATUS] = toX;
9304 if( board[fromY][fromX] == BlackPawn ) {
9305 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9306 board[EP_STATUS] = EP_PAWN_MOVE;
9307 if( toY-fromY== -2) {
9308 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9309 gameInfo.variant != VariantBerolina || toX < fromX)
9310 board[EP_STATUS] = toX | berolina;
9311 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9312 gameInfo.variant != VariantBerolina || toX > fromX)
9313 board[EP_STATUS] = toX;
9317 for(i=0; i<nrCastlingRights; i++) {
9318 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9319 board[CASTLING][i] == toX && castlingRank[i] == toY
9320 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9323 if(gameInfo.variant == VariantSChess) { // update virginity
9324 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9325 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9326 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9327 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9330 if (fromX == toX && fromY == toY) return;
9332 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9333 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9334 if(gameInfo.variant == VariantKnightmate)
9335 king += (int) WhiteUnicorn - (int) WhiteKing;
9337 /* Code added by Tord: */
9338 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9339 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9340 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9341 board[fromY][fromX] = EmptySquare;
9342 board[toY][toX] = EmptySquare;
9343 if((toX > fromX) != (piece == WhiteRook)) {
9344 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9346 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9348 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9349 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9350 board[fromY][fromX] = EmptySquare;
9351 board[toY][toX] = EmptySquare;
9352 if((toX > fromX) != (piece == BlackRook)) {
9353 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9355 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9357 /* End of code added by Tord */
9359 } else if (board[fromY][fromX] == king
9360 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9361 && toY == fromY && toX > fromX+1) {
9362 board[fromY][fromX] = EmptySquare;
9363 board[toY][toX] = king;
9364 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9365 board[fromY][BOARD_RGHT-1] = EmptySquare;
9366 } else if (board[fromY][fromX] == king
9367 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9368 && toY == fromY && toX < fromX-1) {
9369 board[fromY][fromX] = EmptySquare;
9370 board[toY][toX] = king;
9371 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9372 board[fromY][BOARD_LEFT] = EmptySquare;
9373 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9374 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9375 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9377 /* white pawn promotion */
9378 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9379 if(gameInfo.variant==VariantBughouse ||
9380 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9381 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9382 board[fromY][fromX] = EmptySquare;
9383 } else if ((fromY >= BOARD_HEIGHT>>1)
9385 && gameInfo.variant != VariantXiangqi
9386 && gameInfo.variant != VariantBerolina
9387 && (board[fromY][fromX] == WhitePawn)
9388 && (board[toY][toX] == EmptySquare)) {
9389 board[fromY][fromX] = EmptySquare;
9390 board[toY][toX] = WhitePawn;
9391 captured = board[toY - 1][toX];
9392 board[toY - 1][toX] = EmptySquare;
9393 } else if ((fromY == BOARD_HEIGHT-4)
9395 && gameInfo.variant == VariantBerolina
9396 && (board[fromY][fromX] == WhitePawn)
9397 && (board[toY][toX] == EmptySquare)) {
9398 board[fromY][fromX] = EmptySquare;
9399 board[toY][toX] = WhitePawn;
9400 if(oldEP & EP_BEROLIN_A) {
9401 captured = board[fromY][fromX-1];
9402 board[fromY][fromX-1] = EmptySquare;
9403 }else{ captured = board[fromY][fromX+1];
9404 board[fromY][fromX+1] = EmptySquare;
9406 } else if (board[fromY][fromX] == king
9407 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9408 && toY == fromY && toX > fromX+1) {
9409 board[fromY][fromX] = EmptySquare;
9410 board[toY][toX] = king;
9411 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9412 board[fromY][BOARD_RGHT-1] = EmptySquare;
9413 } else if (board[fromY][fromX] == king
9414 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9415 && toY == fromY && toX < fromX-1) {
9416 board[fromY][fromX] = EmptySquare;
9417 board[toY][toX] = king;
9418 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9419 board[fromY][BOARD_LEFT] = EmptySquare;
9420 } else if (fromY == 7 && fromX == 3
9421 && board[fromY][fromX] == BlackKing
9422 && toY == 7 && toX == 5) {
9423 board[fromY][fromX] = EmptySquare;
9424 board[toY][toX] = BlackKing;
9425 board[fromY][7] = EmptySquare;
9426 board[toY][4] = BlackRook;
9427 } else if (fromY == 7 && fromX == 3
9428 && board[fromY][fromX] == BlackKing
9429 && toY == 7 && toX == 1) {
9430 board[fromY][fromX] = EmptySquare;
9431 board[toY][toX] = BlackKing;
9432 board[fromY][0] = EmptySquare;
9433 board[toY][2] = BlackRook;
9434 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9435 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9436 && toY < promoRank && promoChar
9438 /* black pawn promotion */
9439 board[toY][toX] = CharToPiece(ToLower(promoChar));
9440 if(gameInfo.variant==VariantBughouse ||
9441 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9442 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9443 board[fromY][fromX] = EmptySquare;
9444 } else if ((fromY < BOARD_HEIGHT>>1)
9446 && gameInfo.variant != VariantXiangqi
9447 && gameInfo.variant != VariantBerolina
9448 && (board[fromY][fromX] == BlackPawn)
9449 && (board[toY][toX] == EmptySquare)) {
9450 board[fromY][fromX] = EmptySquare;
9451 board[toY][toX] = BlackPawn;
9452 captured = board[toY + 1][toX];
9453 board[toY + 1][toX] = EmptySquare;
9454 } else if ((fromY == 3)
9456 && gameInfo.variant == VariantBerolina
9457 && (board[fromY][fromX] == BlackPawn)
9458 && (board[toY][toX] == EmptySquare)) {
9459 board[fromY][fromX] = EmptySquare;
9460 board[toY][toX] = BlackPawn;
9461 if(oldEP & EP_BEROLIN_A) {
9462 captured = board[fromY][fromX-1];
9463 board[fromY][fromX-1] = EmptySquare;
9464 }else{ captured = board[fromY][fromX+1];
9465 board[fromY][fromX+1] = EmptySquare;
9468 board[toY][toX] = board[fromY][fromX];
9469 board[fromY][fromX] = EmptySquare;
9473 if (gameInfo.holdingsWidth != 0) {
9475 /* !!A lot more code needs to be written to support holdings */
9476 /* [HGM] OK, so I have written it. Holdings are stored in the */
9477 /* penultimate board files, so they are automaticlly stored */
9478 /* in the game history. */
9479 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9480 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9481 /* Delete from holdings, by decreasing count */
9482 /* and erasing image if necessary */
9483 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9484 if(p < (int) BlackPawn) { /* white drop */
9485 p -= (int)WhitePawn;
9486 p = PieceToNumber((ChessSquare)p);
9487 if(p >= gameInfo.holdingsSize) p = 0;
9488 if(--board[p][BOARD_WIDTH-2] <= 0)
9489 board[p][BOARD_WIDTH-1] = EmptySquare;
9490 if((int)board[p][BOARD_WIDTH-2] < 0)
9491 board[p][BOARD_WIDTH-2] = 0;
9492 } else { /* black drop */
9493 p -= (int)BlackPawn;
9494 p = PieceToNumber((ChessSquare)p);
9495 if(p >= gameInfo.holdingsSize) p = 0;
9496 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9497 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9498 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9499 board[BOARD_HEIGHT-1-p][1] = 0;
9502 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9503 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9504 /* [HGM] holdings: Add to holdings, if holdings exist */
9505 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9506 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9507 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9510 if (p >= (int) BlackPawn) {
9511 p -= (int)BlackPawn;
9512 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9513 /* in Shogi restore piece to its original first */
9514 captured = (ChessSquare) (DEMOTED captured);
9517 p = PieceToNumber((ChessSquare)p);
9518 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9519 board[p][BOARD_WIDTH-2]++;
9520 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9522 p -= (int)WhitePawn;
9523 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9524 captured = (ChessSquare) (DEMOTED captured);
9527 p = PieceToNumber((ChessSquare)p);
9528 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9529 board[BOARD_HEIGHT-1-p][1]++;
9530 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9533 } else if (gameInfo.variant == VariantAtomic) {
9534 if (captured != EmptySquare) {
9536 for (y = toY-1; y <= toY+1; y++) {
9537 for (x = toX-1; x <= toX+1; x++) {
9538 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9539 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9540 board[y][x] = EmptySquare;
9544 board[toY][toX] = EmptySquare;
9547 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9548 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9550 if(promoChar == '+') {
9551 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
9552 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9553 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9554 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9555 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
9556 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
9557 board[toY][toX] = newPiece;
9559 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9560 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9561 // [HGM] superchess: take promotion piece out of holdings
9562 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9563 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9564 if(!--board[k][BOARD_WIDTH-2])
9565 board[k][BOARD_WIDTH-1] = EmptySquare;
9567 if(!--board[BOARD_HEIGHT-1-k][1])
9568 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9574 /* Updates forwardMostMove */
9576 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9578 // forwardMostMove++; // [HGM] bare: moved downstream
9580 (void) CoordsToAlgebraic(boards[forwardMostMove],
9581 PosFlags(forwardMostMove),
9582 fromY, fromX, toY, toX, promoChar,
9583 parseList[forwardMostMove]);
9585 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9586 int timeLeft; static int lastLoadFlag=0; int king, piece;
9587 piece = boards[forwardMostMove][fromY][fromX];
9588 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9589 if(gameInfo.variant == VariantKnightmate)
9590 king += (int) WhiteUnicorn - (int) WhiteKing;
9591 if(forwardMostMove == 0) {
9592 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9593 fprintf(serverMoves, "%s;", UserName());
9594 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9595 fprintf(serverMoves, "%s;", second.tidy);
9596 fprintf(serverMoves, "%s;", first.tidy);
9597 if(gameMode == MachinePlaysWhite)
9598 fprintf(serverMoves, "%s;", UserName());
9599 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9600 fprintf(serverMoves, "%s;", second.tidy);
9601 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9602 lastLoadFlag = loadFlag;
9604 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9605 // print castling suffix
9606 if( toY == fromY && piece == king ) {
9608 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9610 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9613 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9614 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9615 boards[forwardMostMove][toY][toX] == EmptySquare
9616 && fromX != toX && fromY != toY)
9617 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9619 if(promoChar != NULLCHAR)
9620 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9622 char buf[MOVE_LEN*2], *p; int len;
9623 fprintf(serverMoves, "/%d/%d",
9624 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9625 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9626 else timeLeft = blackTimeRemaining/1000;
9627 fprintf(serverMoves, "/%d", timeLeft);
9628 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9629 if(p = strchr(buf, '=')) *p = NULLCHAR;
9630 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9631 fprintf(serverMoves, "/%s", buf);
9633 fflush(serverMoves);
9636 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9637 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9640 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9641 if (commentList[forwardMostMove+1] != NULL) {
9642 free(commentList[forwardMostMove+1]);
9643 commentList[forwardMostMove+1] = NULL;
9645 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9646 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9647 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9648 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9649 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9650 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9651 adjustedClock = FALSE;
9652 gameInfo.result = GameUnfinished;
9653 if (gameInfo.resultDetails != NULL) {
9654 free(gameInfo.resultDetails);
9655 gameInfo.resultDetails = NULL;
9657 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9658 moveList[forwardMostMove - 1]);
9659 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9665 if(gameInfo.variant != VariantShogi)
9666 strcat(parseList[forwardMostMove - 1], "+");
9670 strcat(parseList[forwardMostMove - 1], "#");
9676 /* Updates currentMove if not pausing */
9678 ShowMove (int fromX, int fromY, int toX, int toY)
9680 int instant = (gameMode == PlayFromGameFile) ?
9681 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9682 if(appData.noGUI) return;
9683 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9685 if (forwardMostMove == currentMove + 1) {
9686 AnimateMove(boards[forwardMostMove - 1],
9687 fromX, fromY, toX, toY);
9689 if (appData.highlightLastMove) {
9690 SetHighlights(fromX, fromY, toX, toY);
9693 currentMove = forwardMostMove;
9696 if (instant) return;
9698 DisplayMove(currentMove - 1);
9699 DrawPosition(FALSE, boards[currentMove]);
9700 DisplayBothClocks();
9701 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9705 SendEgtPath (ChessProgramState *cps)
9706 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9707 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9709 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9712 char c, *q = name+1, *r, *s;
9714 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9715 while(*p && *p != ',') *q++ = *p++;
9717 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9718 strcmp(name, ",nalimov:") == 0 ) {
9719 // take nalimov path from the menu-changeable option first, if it is defined
9720 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9721 SendToProgram(buf,cps); // send egtbpath command for nalimov
9723 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9724 (s = StrStr(appData.egtFormats, name)) != NULL) {
9725 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9726 s = r = StrStr(s, ":") + 1; // beginning of path info
9727 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9728 c = *r; *r = 0; // temporarily null-terminate path info
9729 *--q = 0; // strip of trailig ':' from name
9730 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9732 SendToProgram(buf,cps); // send egtbpath command for this format
9734 if(*p == ',') p++; // read away comma to position for next format name
9739 InitChessProgram (ChessProgramState *cps, int setup)
9740 /* setup needed to setup FRC opening position */
9742 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9743 if (appData.noChessProgram) return;
9744 hintRequested = FALSE;
9745 bookRequested = FALSE;
9747 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9748 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9749 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9750 if(cps->memSize) { /* [HGM] memory */
9751 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9752 SendToProgram(buf, cps);
9754 SendEgtPath(cps); /* [HGM] EGT */
9755 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9756 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9757 SendToProgram(buf, cps);
9760 SendToProgram(cps->initString, cps);
9761 if (gameInfo.variant != VariantNormal &&
9762 gameInfo.variant != VariantLoadable
9763 /* [HGM] also send variant if board size non-standard */
9764 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9766 char *v = VariantName(gameInfo.variant);
9767 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9768 /* [HGM] in protocol 1 we have to assume all variants valid */
9769 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9770 DisplayFatalError(buf, 0, 1);
9774 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9775 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9776 if( gameInfo.variant == VariantXiangqi )
9777 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9778 if( gameInfo.variant == VariantShogi )
9779 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9780 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9781 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9782 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9783 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9784 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9785 if( gameInfo.variant == VariantCourier )
9786 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9787 if( gameInfo.variant == VariantSuper )
9788 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9789 if( gameInfo.variant == VariantGreat )
9790 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9791 if( gameInfo.variant == VariantSChess )
9792 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9793 if( gameInfo.variant == VariantGrand )
9794 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9797 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9798 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9799 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9800 if(StrStr(cps->variants, b) == NULL) {
9801 // specific sized variant not known, check if general sizing allowed
9802 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9803 if(StrStr(cps->variants, "boardsize") == NULL) {
9804 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9805 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9806 DisplayFatalError(buf, 0, 1);
9809 /* [HGM] here we really should compare with the maximum supported board size */
9812 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9813 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9814 SendToProgram(buf, cps);
9816 currentlyInitializedVariant = gameInfo.variant;
9818 /* [HGM] send opening position in FRC to first engine */
9820 SendToProgram("force\n", cps);
9822 /* engine is now in force mode! Set flag to wake it up after first move. */
9823 setboardSpoiledMachineBlack = 1;
9827 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9828 SendToProgram(buf, cps);
9830 cps->maybeThinking = FALSE;
9831 cps->offeredDraw = 0;
9832 if (!appData.icsActive) {
9833 SendTimeControl(cps, movesPerSession, timeControl,
9834 timeIncrement, appData.searchDepth,
9837 if (appData.showThinking
9838 // [HGM] thinking: four options require thinking output to be sent
9839 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9841 SendToProgram("post\n", cps);
9843 SendToProgram("hard\n", cps);
9844 if (!appData.ponderNextMove) {
9845 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9846 it without being sure what state we are in first. "hard"
9847 is not a toggle, so that one is OK.
9849 SendToProgram("easy\n", cps);
9852 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9853 SendToProgram(buf, cps);
9855 cps->initDone = TRUE;
9856 ClearEngineOutputPane(cps == &second);
9861 StartChessProgram (ChessProgramState *cps)
9866 if (appData.noChessProgram) return;
9867 cps->initDone = FALSE;
9869 if (strcmp(cps->host, "localhost") == 0) {
9870 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9871 } else if (*appData.remoteShell == NULLCHAR) {
9872 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9874 if (*appData.remoteUser == NULLCHAR) {
9875 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9878 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9879 cps->host, appData.remoteUser, cps->program);
9881 err = StartChildProcess(buf, "", &cps->pr);
9885 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9886 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9887 if(cps != &first) return;
9888 appData.noChessProgram = TRUE;
9891 // DisplayFatalError(buf, err, 1);
9892 // cps->pr = NoProc;
9897 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9898 if (cps->protocolVersion > 1) {
9899 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9900 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9901 cps->comboCnt = 0; // and values of combo boxes
9902 SendToProgram(buf, cps);
9904 SendToProgram("xboard\n", cps);
9909 TwoMachinesEventIfReady P((void))
9911 static int curMess = 0;
9912 if (first.lastPing != first.lastPong) {
9913 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9914 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9917 if (second.lastPing != second.lastPong) {
9918 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9919 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9922 DisplayMessage("", ""); curMess = 0;
9928 MakeName (char *template)
9932 static char buf[MSG_SIZ];
9936 clock = time((time_t *)NULL);
9937 tm = localtime(&clock);
9939 while(*p++ = *template++) if(p[-1] == '%') {
9940 switch(*template++) {
9941 case 0: *p = 0; return buf;
9942 case 'Y': i = tm->tm_year+1900; break;
9943 case 'y': i = tm->tm_year-100; break;
9944 case 'M': i = tm->tm_mon+1; break;
9945 case 'd': i = tm->tm_mday; break;
9946 case 'h': i = tm->tm_hour; break;
9947 case 'm': i = tm->tm_min; break;
9948 case 's': i = tm->tm_sec; break;
9951 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9957 CountPlayers (char *p)
9960 while(p = strchr(p, '\n')) p++, n++; // count participants
9965 WriteTourneyFile (char *results, FILE *f)
9966 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9967 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9968 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9969 // create a file with tournament description
9970 fprintf(f, "-participants {%s}\n", appData.participants);
9971 fprintf(f, "-seedBase %d\n", appData.seedBase);
9972 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9973 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9974 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9975 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9976 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9977 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9978 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9979 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9980 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9981 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9982 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9983 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9985 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9987 fprintf(f, "-mps %d\n", appData.movesPerSession);
9988 fprintf(f, "-tc %s\n", appData.timeControl);
9989 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9991 fprintf(f, "-results \"%s\"\n", results);
9996 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9999 Substitute (char *participants, int expunge)
10001 int i, changed, changes=0, nPlayers=0;
10002 char *p, *q, *r, buf[MSG_SIZ];
10003 if(participants == NULL) return;
10004 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10005 r = p = participants; q = appData.participants;
10006 while(*p && *p == *q) {
10007 if(*p == '\n') r = p+1, nPlayers++;
10010 if(*p) { // difference
10011 while(*p && *p++ != '\n');
10012 while(*q && *q++ != '\n');
10013 changed = nPlayers;
10014 changes = 1 + (strcmp(p, q) != 0);
10016 if(changes == 1) { // a single engine mnemonic was changed
10017 q = r; while(*q) nPlayers += (*q++ == '\n');
10018 p = buf; while(*r && (*p = *r++) != '\n') p++;
10020 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10021 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10022 if(mnemonic[i]) { // The substitute is valid
10024 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10025 flock(fileno(f), LOCK_EX);
10026 ParseArgsFromFile(f);
10027 fseek(f, 0, SEEK_SET);
10028 FREE(appData.participants); appData.participants = participants;
10029 if(expunge) { // erase results of replaced engine
10030 int len = strlen(appData.results), w, b, dummy;
10031 for(i=0; i<len; i++) {
10032 Pairing(i, nPlayers, &w, &b, &dummy);
10033 if((w == changed || b == changed) && appData.results[i] == '*') {
10034 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10039 for(i=0; i<len; i++) {
10040 Pairing(i, nPlayers, &w, &b, &dummy);
10041 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10044 WriteTourneyFile(appData.results, f);
10045 fclose(f); // release lock
10048 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10050 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10051 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10052 free(participants);
10057 CreateTourney (char *name)
10060 if(matchMode && strcmp(name, appData.tourneyFile)) {
10061 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10063 if(name[0] == NULLCHAR) {
10064 if(appData.participants[0])
10065 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10068 f = fopen(name, "r");
10069 if(f) { // file exists
10070 ASSIGN(appData.tourneyFile, name);
10071 ParseArgsFromFile(f); // parse it
10073 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10074 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10075 DisplayError(_("Not enough participants"), 0);
10078 ASSIGN(appData.tourneyFile, name);
10079 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10080 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10083 appData.noChessProgram = FALSE;
10084 appData.clockMode = TRUE;
10090 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10092 char buf[MSG_SIZ], *p, *q;
10093 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10094 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10095 skip = !all && group[0]; // if group requested, we start in skip mode
10096 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10097 p = names; q = buf; header = 0;
10098 while(*p && *p != '\n') *q++ = *p++;
10100 if(*p == '\n') p++;
10101 if(buf[0] == '#') {
10102 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10103 depth++; // we must be entering a new group
10104 if(all) continue; // suppress printing group headers when complete list requested
10106 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10108 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10109 if(engineList[i]) free(engineList[i]);
10110 engineList[i] = strdup(buf);
10111 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10112 if(engineMnemonic[i]) free(engineMnemonic[i]);
10113 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10115 sscanf(q + 8, "%s", buf + strlen(buf));
10118 engineMnemonic[i] = strdup(buf);
10121 engineList[i] = engineMnemonic[i] = NULL;
10125 // following implemented as macro to avoid type limitations
10126 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10129 SwapEngines (int n)
10130 { // swap settings for first engine and other engine (so far only some selected options)
10135 SWAP(chessProgram, p)
10137 SWAP(hasOwnBookUCI, h)
10138 SWAP(protocolVersion, h)
10140 SWAP(scoreIsAbsolute, h)
10145 SWAP(engOptions, p)
10146 SWAP(engInitString, p)
10147 SWAP(computerString, p)
10149 SWAP(fenOverride, p)
10151 SWAP(accumulateTC, h)
10156 SetPlayer (int player, char *p)
10157 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10159 char buf[MSG_SIZ], *engineName;
10160 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10161 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10162 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10164 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10165 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10166 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10167 ParseArgsFromString(buf);
10173 char *recentEngines;
10176 RecentEngineEvent (int nr)
10179 // SwapEngines(1); // bump first to second
10180 // ReplaceEngine(&second, 1); // and load it there
10181 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10182 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10183 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10184 ReplaceEngine(&first, 0);
10185 FloatToFront(&appData.recentEngineList, command[n]);
10190 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10191 { // determine players from game number
10192 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10194 if(appData.tourneyType == 0) {
10195 roundsPerCycle = (nPlayers - 1) | 1;
10196 pairingsPerRound = nPlayers / 2;
10197 } else if(appData.tourneyType > 0) {
10198 roundsPerCycle = nPlayers - appData.tourneyType;
10199 pairingsPerRound = appData.tourneyType;
10201 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10202 gamesPerCycle = gamesPerRound * roundsPerCycle;
10203 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10204 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10205 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10206 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10207 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10208 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10210 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10211 if(appData.roundSync) *syncInterval = gamesPerRound;
10213 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10215 if(appData.tourneyType == 0) {
10216 if(curPairing == (nPlayers-1)/2 ) {
10217 *whitePlayer = curRound;
10218 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10220 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10221 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10222 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10223 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10225 } else if(appData.tourneyType > 1) {
10226 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10227 *whitePlayer = curRound + appData.tourneyType;
10228 } else if(appData.tourneyType > 0) {
10229 *whitePlayer = curPairing;
10230 *blackPlayer = curRound + appData.tourneyType;
10233 // take care of white/black alternation per round.
10234 // For cycles and games this is already taken care of by default, derived from matchGame!
10235 return curRound & 1;
10239 NextTourneyGame (int nr, int *swapColors)
10240 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10242 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10244 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10245 tf = fopen(appData.tourneyFile, "r");
10246 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10247 ParseArgsFromFile(tf); fclose(tf);
10248 InitTimeControls(); // TC might be altered from tourney file
10250 nPlayers = CountPlayers(appData.participants); // count participants
10251 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10252 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10255 p = q = appData.results;
10256 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10257 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10258 DisplayMessage(_("Waiting for other game(s)"),"");
10259 waitingForGame = TRUE;
10260 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10263 waitingForGame = FALSE;
10266 if(appData.tourneyType < 0) {
10267 if(nr>=0 && !pairingReceived) {
10269 if(pairing.pr == NoProc) {
10270 if(!appData.pairingEngine[0]) {
10271 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10274 StartChessProgram(&pairing); // starts the pairing engine
10276 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10277 SendToProgram(buf, &pairing);
10278 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10279 SendToProgram(buf, &pairing);
10280 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10282 pairingReceived = 0; // ... so we continue here
10284 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10285 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10286 matchGame = 1; roundNr = nr / syncInterval + 1;
10289 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10291 // redefine engines, engine dir, etc.
10292 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10293 if(first.pr == NoProc) {
10294 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10295 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10297 if(second.pr == NoProc) {
10299 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10300 SwapEngines(1); // and make that valid for second engine by swapping
10301 InitEngine(&second, 1);
10303 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10304 UpdateLogos(FALSE); // leave display to ModeHiglight()
10310 { // performs game initialization that does not invoke engines, and then tries to start the game
10311 int res, firstWhite, swapColors = 0;
10312 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10313 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
10315 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10316 if(strcmp(buf, currentDebugFile)) { // name has changed
10317 FILE *f = fopen(buf, "w");
10318 if(f) { // if opening the new file failed, just keep using the old one
10319 ASSIGN(currentDebugFile, buf);
10323 if(appData.serverFileName) {
10324 if(serverFP) fclose(serverFP);
10325 serverFP = fopen(appData.serverFileName, "w");
10326 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10327 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10331 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10332 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10333 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10334 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10335 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10336 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10337 Reset(FALSE, first.pr != NoProc);
10338 res = LoadGameOrPosition(matchGame); // setup game
10339 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10340 if(!res) return; // abort when bad game/pos file
10341 TwoMachinesEvent();
10345 UserAdjudicationEvent (int result)
10347 ChessMove gameResult = GameIsDrawn;
10350 gameResult = WhiteWins;
10352 else if( result < 0 ) {
10353 gameResult = BlackWins;
10356 if( gameMode == TwoMachinesPlay ) {
10357 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10362 // [HGM] save: calculate checksum of game to make games easily identifiable
10364 StringCheckSum (char *s)
10367 if(s==NULL) return 0;
10368 while(*s) i = i*259 + *s++;
10376 for(i=backwardMostMove; i<forwardMostMove; i++) {
10377 sum += pvInfoList[i].depth;
10378 sum += StringCheckSum(parseList[i]);
10379 sum += StringCheckSum(commentList[i]);
10382 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10383 return sum + StringCheckSum(commentList[i]);
10384 } // end of save patch
10387 GameEnds (ChessMove result, char *resultDetails, int whosays)
10389 GameMode nextGameMode;
10391 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10393 if(endingGame) return; /* [HGM] crash: forbid recursion */
10395 if(twoBoards) { // [HGM] dual: switch back to one board
10396 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10397 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10399 if (appData.debugMode) {
10400 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10401 result, resultDetails ? resultDetails : "(null)", whosays);
10404 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10406 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10407 /* If we are playing on ICS, the server decides when the
10408 game is over, but the engine can offer to draw, claim
10412 if (appData.zippyPlay && first.initDone) {
10413 if (result == GameIsDrawn) {
10414 /* In case draw still needs to be claimed */
10415 SendToICS(ics_prefix);
10416 SendToICS("draw\n");
10417 } else if (StrCaseStr(resultDetails, "resign")) {
10418 SendToICS(ics_prefix);
10419 SendToICS("resign\n");
10423 endingGame = 0; /* [HGM] crash */
10427 /* If we're loading the game from a file, stop */
10428 if (whosays == GE_FILE) {
10429 (void) StopLoadGameTimer();
10433 /* Cancel draw offers */
10434 first.offeredDraw = second.offeredDraw = 0;
10436 /* If this is an ICS game, only ICS can really say it's done;
10437 if not, anyone can. */
10438 isIcsGame = (gameMode == IcsPlayingWhite ||
10439 gameMode == IcsPlayingBlack ||
10440 gameMode == IcsObserving ||
10441 gameMode == IcsExamining);
10443 if (!isIcsGame || whosays == GE_ICS) {
10444 /* OK -- not an ICS game, or ICS said it was done */
10446 if (!isIcsGame && !appData.noChessProgram)
10447 SetUserThinkingEnables();
10449 /* [HGM] if a machine claims the game end we verify this claim */
10450 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10451 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10453 ChessMove trueResult = (ChessMove) -1;
10455 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10456 first.twoMachinesColor[0] :
10457 second.twoMachinesColor[0] ;
10459 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10460 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10461 /* [HGM] verify: engine mate claims accepted if they were flagged */
10462 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10464 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10465 /* [HGM] verify: engine mate claims accepted if they were flagged */
10466 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10468 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10469 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10472 // now verify win claims, but not in drop games, as we don't understand those yet
10473 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10474 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10475 (result == WhiteWins && claimer == 'w' ||
10476 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10477 if (appData.debugMode) {
10478 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10479 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10481 if(result != trueResult) {
10482 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10483 result = claimer == 'w' ? BlackWins : WhiteWins;
10484 resultDetails = buf;
10487 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10488 && (forwardMostMove <= backwardMostMove ||
10489 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10490 (claimer=='b')==(forwardMostMove&1))
10492 /* [HGM] verify: draws that were not flagged are false claims */
10493 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10494 result = claimer == 'w' ? BlackWins : WhiteWins;
10495 resultDetails = buf;
10497 /* (Claiming a loss is accepted no questions asked!) */
10499 /* [HGM] bare: don't allow bare King to win */
10500 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10501 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10502 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10503 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10504 && result != GameIsDrawn)
10505 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10506 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10507 int p = (signed char)boards[forwardMostMove][i][j] - color;
10508 if(p >= 0 && p <= (int)WhiteKing) k++;
10510 if (appData.debugMode) {
10511 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10512 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10515 result = GameIsDrawn;
10516 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10517 resultDetails = buf;
10523 if(serverMoves != NULL && !loadFlag) { char c = '=';
10524 if(result==WhiteWins) c = '+';
10525 if(result==BlackWins) c = '-';
10526 if(resultDetails != NULL)
10527 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10529 if (resultDetails != NULL) {
10530 gameInfo.result = result;
10531 gameInfo.resultDetails = StrSave(resultDetails);
10533 /* display last move only if game was not loaded from file */
10534 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10535 DisplayMove(currentMove - 1);
10537 if (forwardMostMove != 0) {
10538 if (gameMode != PlayFromGameFile && gameMode != EditGame
10539 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10541 if (*appData.saveGameFile != NULLCHAR) {
10542 SaveGameToFile(appData.saveGameFile, TRUE);
10543 } else if (appData.autoSaveGames) {
10546 if (*appData.savePositionFile != NULLCHAR) {
10547 SavePositionToFile(appData.savePositionFile);
10552 /* Tell program how game ended in case it is learning */
10553 /* [HGM] Moved this to after saving the PGN, just in case */
10554 /* engine died and we got here through time loss. In that */
10555 /* case we will get a fatal error writing the pipe, which */
10556 /* would otherwise lose us the PGN. */
10557 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10558 /* output during GameEnds should never be fatal anymore */
10559 if (gameMode == MachinePlaysWhite ||
10560 gameMode == MachinePlaysBlack ||
10561 gameMode == TwoMachinesPlay ||
10562 gameMode == IcsPlayingWhite ||
10563 gameMode == IcsPlayingBlack ||
10564 gameMode == BeginningOfGame) {
10566 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10568 if (first.pr != NoProc) {
10569 SendToProgram(buf, &first);
10571 if (second.pr != NoProc &&
10572 gameMode == TwoMachinesPlay) {
10573 SendToProgram(buf, &second);
10578 if (appData.icsActive) {
10579 if (appData.quietPlay &&
10580 (gameMode == IcsPlayingWhite ||
10581 gameMode == IcsPlayingBlack)) {
10582 SendToICS(ics_prefix);
10583 SendToICS("set shout 1\n");
10585 nextGameMode = IcsIdle;
10586 ics_user_moved = FALSE;
10587 /* clean up premove. It's ugly when the game has ended and the
10588 * premove highlights are still on the board.
10591 gotPremove = FALSE;
10592 ClearPremoveHighlights();
10593 DrawPosition(FALSE, boards[currentMove]);
10595 if (whosays == GE_ICS) {
10598 if (gameMode == IcsPlayingWhite)
10600 else if(gameMode == IcsPlayingBlack)
10601 PlayIcsLossSound();
10604 if (gameMode == IcsPlayingBlack)
10606 else if(gameMode == IcsPlayingWhite)
10607 PlayIcsLossSound();
10610 PlayIcsDrawSound();
10613 PlayIcsUnfinishedSound();
10616 } else if (gameMode == EditGame ||
10617 gameMode == PlayFromGameFile ||
10618 gameMode == AnalyzeMode ||
10619 gameMode == AnalyzeFile) {
10620 nextGameMode = gameMode;
10622 nextGameMode = EndOfGame;
10627 nextGameMode = gameMode;
10630 if (appData.noChessProgram) {
10631 gameMode = nextGameMode;
10633 endingGame = 0; /* [HGM] crash */
10638 /* Put first chess program into idle state */
10639 if (first.pr != NoProc &&
10640 (gameMode == MachinePlaysWhite ||
10641 gameMode == MachinePlaysBlack ||
10642 gameMode == TwoMachinesPlay ||
10643 gameMode == IcsPlayingWhite ||
10644 gameMode == IcsPlayingBlack ||
10645 gameMode == BeginningOfGame)) {
10646 SendToProgram("force\n", &first);
10647 if (first.usePing) {
10649 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10650 SendToProgram(buf, &first);
10653 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10654 /* Kill off first chess program */
10655 if (first.isr != NULL)
10656 RemoveInputSource(first.isr);
10659 if (first.pr != NoProc) {
10661 DoSleep( appData.delayBeforeQuit );
10662 SendToProgram("quit\n", &first);
10663 DoSleep( appData.delayAfterQuit );
10664 DestroyChildProcess(first.pr, first.useSigterm);
10668 if (second.reuse) {
10669 /* Put second chess program into idle state */
10670 if (second.pr != NoProc &&
10671 gameMode == TwoMachinesPlay) {
10672 SendToProgram("force\n", &second);
10673 if (second.usePing) {
10675 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10676 SendToProgram(buf, &second);
10679 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10680 /* Kill off second chess program */
10681 if (second.isr != NULL)
10682 RemoveInputSource(second.isr);
10685 if (second.pr != NoProc) {
10686 DoSleep( appData.delayBeforeQuit );
10687 SendToProgram("quit\n", &second);
10688 DoSleep( appData.delayAfterQuit );
10689 DestroyChildProcess(second.pr, second.useSigterm);
10691 second.pr = NoProc;
10694 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10695 char resChar = '=';
10699 if (first.twoMachinesColor[0] == 'w') {
10702 second.matchWins++;
10707 if (first.twoMachinesColor[0] == 'b') {
10710 second.matchWins++;
10713 case GameUnfinished:
10719 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10720 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10721 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10722 ReserveGame(nextGame, resChar); // sets nextGame
10723 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10724 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10725 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10727 if (nextGame <= appData.matchGames && !abortMatch) {
10728 gameMode = nextGameMode;
10729 matchGame = nextGame; // this will be overruled in tourney mode!
10730 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10731 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10732 endingGame = 0; /* [HGM] crash */
10735 gameMode = nextGameMode;
10736 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10737 first.tidy, second.tidy,
10738 first.matchWins, second.matchWins,
10739 appData.matchGames - (first.matchWins + second.matchWins));
10740 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10741 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10742 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10743 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10744 first.twoMachinesColor = "black\n";
10745 second.twoMachinesColor = "white\n";
10747 first.twoMachinesColor = "white\n";
10748 second.twoMachinesColor = "black\n";
10752 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10753 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10755 gameMode = nextGameMode;
10757 endingGame = 0; /* [HGM] crash */
10758 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10759 if(matchMode == TRUE) { // match through command line: exit with or without popup
10761 ToNrEvent(forwardMostMove);
10762 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10764 } else DisplayFatalError(buf, 0, 0);
10765 } else { // match through menu; just stop, with or without popup
10766 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10769 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10770 } else DisplayNote(buf);
10772 if(ranking) free(ranking);
10776 /* Assumes program was just initialized (initString sent).
10777 Leaves program in force mode. */
10779 FeedMovesToProgram (ChessProgramState *cps, int upto)
10783 if (appData.debugMode)
10784 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10785 startedFromSetupPosition ? "position and " : "",
10786 backwardMostMove, upto, cps->which);
10787 if(currentlyInitializedVariant != gameInfo.variant) {
10789 // [HGM] variantswitch: make engine aware of new variant
10790 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10791 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10792 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10793 SendToProgram(buf, cps);
10794 currentlyInitializedVariant = gameInfo.variant;
10796 SendToProgram("force\n", cps);
10797 if (startedFromSetupPosition) {
10798 SendBoard(cps, backwardMostMove);
10799 if (appData.debugMode) {
10800 fprintf(debugFP, "feedMoves\n");
10803 for (i = backwardMostMove; i < upto; i++) {
10804 SendMoveToProgram(i, cps);
10810 ResurrectChessProgram ()
10812 /* The chess program may have exited.
10813 If so, restart it and feed it all the moves made so far. */
10814 static int doInit = 0;
10816 if (appData.noChessProgram) return 1;
10818 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10819 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10820 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10821 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10823 if (first.pr != NoProc) return 1;
10824 StartChessProgram(&first);
10826 InitChessProgram(&first, FALSE);
10827 FeedMovesToProgram(&first, currentMove);
10829 if (!first.sendTime) {
10830 /* can't tell gnuchess what its clock should read,
10831 so we bow to its notion. */
10833 timeRemaining[0][currentMove] = whiteTimeRemaining;
10834 timeRemaining[1][currentMove] = blackTimeRemaining;
10837 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10838 appData.icsEngineAnalyze) && first.analysisSupport) {
10839 SendToProgram("analyze\n", &first);
10840 first.analyzing = TRUE;
10846 * Button procedures
10849 Reset (int redraw, int init)
10853 if (appData.debugMode) {
10854 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10855 redraw, init, gameMode);
10857 CleanupTail(); // [HGM] vari: delete any stored variations
10858 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10859 pausing = pauseExamInvalid = FALSE;
10860 startedFromSetupPosition = blackPlaysFirst = FALSE;
10862 whiteFlag = blackFlag = FALSE;
10863 userOfferedDraw = FALSE;
10864 hintRequested = bookRequested = FALSE;
10865 first.maybeThinking = FALSE;
10866 second.maybeThinking = FALSE;
10867 first.bookSuspend = FALSE; // [HGM] book
10868 second.bookSuspend = FALSE;
10869 thinkOutput[0] = NULLCHAR;
10870 lastHint[0] = NULLCHAR;
10871 ClearGameInfo(&gameInfo);
10872 gameInfo.variant = StringToVariant(appData.variant);
10873 ics_user_moved = ics_clock_paused = FALSE;
10874 ics_getting_history = H_FALSE;
10876 white_holding[0] = black_holding[0] = NULLCHAR;
10877 ClearProgramStats();
10878 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10882 flipView = appData.flipView;
10883 ClearPremoveHighlights();
10884 gotPremove = FALSE;
10885 alarmSounded = FALSE;
10887 GameEnds(EndOfFile, NULL, GE_PLAYER);
10888 if(appData.serverMovesName != NULL) {
10889 /* [HGM] prepare to make moves file for broadcasting */
10890 clock_t t = clock();
10891 if(serverMoves != NULL) fclose(serverMoves);
10892 serverMoves = fopen(appData.serverMovesName, "r");
10893 if(serverMoves != NULL) {
10894 fclose(serverMoves);
10895 /* delay 15 sec before overwriting, so all clients can see end */
10896 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10898 serverMoves = fopen(appData.serverMovesName, "w");
10902 gameMode = BeginningOfGame;
10904 if(appData.icsActive) gameInfo.variant = VariantNormal;
10905 currentMove = forwardMostMove = backwardMostMove = 0;
10906 MarkTargetSquares(1);
10907 InitPosition(redraw);
10908 for (i = 0; i < MAX_MOVES; i++) {
10909 if (commentList[i] != NULL) {
10910 free(commentList[i]);
10911 commentList[i] = NULL;
10915 timeRemaining[0][0] = whiteTimeRemaining;
10916 timeRemaining[1][0] = blackTimeRemaining;
10918 if (first.pr == NoProc) {
10919 StartChessProgram(&first);
10922 InitChessProgram(&first, startedFromSetupPosition);
10925 DisplayMessage("", "");
10926 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10927 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10928 ClearMap(); // [HGM] exclude: invalidate map
10932 AutoPlayGameLoop ()
10935 if (!AutoPlayOneMove())
10937 if (matchMode || appData.timeDelay == 0)
10939 if (appData.timeDelay < 0)
10941 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
10950 int fromX, fromY, toX, toY;
10952 if (appData.debugMode) {
10953 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10956 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10959 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10960 pvInfoList[currentMove].depth = programStats.depth;
10961 pvInfoList[currentMove].score = programStats.score;
10962 pvInfoList[currentMove].time = 0;
10963 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10966 if (currentMove >= forwardMostMove) {
10967 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10968 // gameMode = EndOfGame;
10969 // ModeHighlight();
10971 /* [AS] Clear current move marker at the end of a game */
10972 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10977 toX = moveList[currentMove][2] - AAA;
10978 toY = moveList[currentMove][3] - ONE;
10980 if (moveList[currentMove][1] == '@') {
10981 if (appData.highlightLastMove) {
10982 SetHighlights(-1, -1, toX, toY);
10985 fromX = moveList[currentMove][0] - AAA;
10986 fromY = moveList[currentMove][1] - ONE;
10988 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10990 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10992 if (appData.highlightLastMove) {
10993 SetHighlights(fromX, fromY, toX, toY);
10996 DisplayMove(currentMove);
10997 SendMoveToProgram(currentMove++, &first);
10998 DisplayBothClocks();
10999 DrawPosition(FALSE, boards[currentMove]);
11000 // [HGM] PV info: always display, routine tests if empty
11001 DisplayComment(currentMove - 1, commentList[currentMove]);
11007 LoadGameOneMove (ChessMove readAhead)
11009 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11010 char promoChar = NULLCHAR;
11011 ChessMove moveType;
11012 char move[MSG_SIZ];
11015 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11016 gameMode != AnalyzeMode && gameMode != Training) {
11021 yyboardindex = forwardMostMove;
11022 if (readAhead != EndOfFile) {
11023 moveType = readAhead;
11025 if (gameFileFP == NULL)
11027 moveType = (ChessMove) Myylex();
11031 switch (moveType) {
11033 if (appData.debugMode)
11034 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11037 /* append the comment but don't display it */
11038 AppendComment(currentMove, p, FALSE);
11041 case WhiteCapturesEnPassant:
11042 case BlackCapturesEnPassant:
11043 case WhitePromotion:
11044 case BlackPromotion:
11045 case WhiteNonPromotion:
11046 case BlackNonPromotion:
11048 case WhiteKingSideCastle:
11049 case WhiteQueenSideCastle:
11050 case BlackKingSideCastle:
11051 case BlackQueenSideCastle:
11052 case WhiteKingSideCastleWild:
11053 case WhiteQueenSideCastleWild:
11054 case BlackKingSideCastleWild:
11055 case BlackQueenSideCastleWild:
11057 case WhiteHSideCastleFR:
11058 case WhiteASideCastleFR:
11059 case BlackHSideCastleFR:
11060 case BlackASideCastleFR:
11062 if (appData.debugMode)
11063 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11064 fromX = currentMoveString[0] - AAA;
11065 fromY = currentMoveString[1] - ONE;
11066 toX = currentMoveString[2] - AAA;
11067 toY = currentMoveString[3] - ONE;
11068 promoChar = currentMoveString[4];
11073 if (appData.debugMode)
11074 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11075 fromX = moveType == WhiteDrop ?
11076 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11077 (int) CharToPiece(ToLower(currentMoveString[0]));
11079 toX = currentMoveString[2] - AAA;
11080 toY = currentMoveString[3] - ONE;
11086 case GameUnfinished:
11087 if (appData.debugMode)
11088 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11089 p = strchr(yy_text, '{');
11090 if (p == NULL) p = strchr(yy_text, '(');
11093 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11095 q = strchr(p, *p == '{' ? '}' : ')');
11096 if (q != NULL) *q = NULLCHAR;
11099 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11100 GameEnds(moveType, p, GE_FILE);
11102 if (cmailMsgLoaded) {
11104 flipView = WhiteOnMove(currentMove);
11105 if (moveType == GameUnfinished) flipView = !flipView;
11106 if (appData.debugMode)
11107 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11112 if (appData.debugMode)
11113 fprintf(debugFP, "Parser hit end of file\n");
11114 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11120 if (WhiteOnMove(currentMove)) {
11121 GameEnds(BlackWins, "Black mates", GE_FILE);
11123 GameEnds(WhiteWins, "White mates", GE_FILE);
11127 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11133 case MoveNumberOne:
11134 if (lastLoadGameStart == GNUChessGame) {
11135 /* GNUChessGames have numbers, but they aren't move numbers */
11136 if (appData.debugMode)
11137 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11138 yy_text, (int) moveType);
11139 return LoadGameOneMove(EndOfFile); /* tail recursion */
11141 /* else fall thru */
11146 /* Reached start of next game in file */
11147 if (appData.debugMode)
11148 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11149 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11155 if (WhiteOnMove(currentMove)) {
11156 GameEnds(BlackWins, "Black mates", GE_FILE);
11158 GameEnds(WhiteWins, "White mates", GE_FILE);
11162 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11168 case PositionDiagram: /* should not happen; ignore */
11169 case ElapsedTime: /* ignore */
11170 case NAG: /* ignore */
11171 if (appData.debugMode)
11172 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11173 yy_text, (int) moveType);
11174 return LoadGameOneMove(EndOfFile); /* tail recursion */
11177 if (appData.testLegality) {
11178 if (appData.debugMode)
11179 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11180 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11181 (forwardMostMove / 2) + 1,
11182 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11183 DisplayError(move, 0);
11186 if (appData.debugMode)
11187 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11188 yy_text, currentMoveString);
11189 fromX = currentMoveString[0] - AAA;
11190 fromY = currentMoveString[1] - ONE;
11191 toX = currentMoveString[2] - AAA;
11192 toY = currentMoveString[3] - ONE;
11193 promoChar = currentMoveString[4];
11197 case AmbiguousMove:
11198 if (appData.debugMode)
11199 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11200 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11201 (forwardMostMove / 2) + 1,
11202 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11203 DisplayError(move, 0);
11208 case ImpossibleMove:
11209 if (appData.debugMode)
11210 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11211 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11212 (forwardMostMove / 2) + 1,
11213 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11214 DisplayError(move, 0);
11220 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11221 DrawPosition(FALSE, boards[currentMove]);
11222 DisplayBothClocks();
11223 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11224 DisplayComment(currentMove - 1, commentList[currentMove]);
11226 (void) StopLoadGameTimer();
11228 cmailOldMove = forwardMostMove;
11231 /* currentMoveString is set as a side-effect of yylex */
11233 thinkOutput[0] = NULLCHAR;
11234 MakeMove(fromX, fromY, toX, toY, promoChar);
11235 currentMove = forwardMostMove;
11240 /* Load the nth game from the given file */
11242 LoadGameFromFile (char *filename, int n, char *title, int useList)
11247 if (strcmp(filename, "-") == 0) {
11251 f = fopen(filename, "rb");
11253 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11254 DisplayError(buf, errno);
11258 if (fseek(f, 0, 0) == -1) {
11259 /* f is not seekable; probably a pipe */
11262 if (useList && n == 0) {
11263 int error = GameListBuild(f);
11265 DisplayError(_("Cannot build game list"), error);
11266 } else if (!ListEmpty(&gameList) &&
11267 ((ListGame *) gameList.tailPred)->number > 1) {
11268 GameListPopUp(f, title);
11275 return LoadGame(f, n, title, FALSE);
11280 MakeRegisteredMove ()
11282 int fromX, fromY, toX, toY;
11284 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11285 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11288 if (appData.debugMode)
11289 fprintf(debugFP, "Restoring %s for game %d\n",
11290 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11292 thinkOutput[0] = NULLCHAR;
11293 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11294 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11295 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11296 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11297 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11298 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11299 MakeMove(fromX, fromY, toX, toY, promoChar);
11300 ShowMove(fromX, fromY, toX, toY);
11302 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11309 if (WhiteOnMove(currentMove)) {
11310 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11312 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11317 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11324 if (WhiteOnMove(currentMove)) {
11325 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11327 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11332 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11343 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11345 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11349 if (gameNumber > nCmailGames) {
11350 DisplayError(_("No more games in this message"), 0);
11353 if (f == lastLoadGameFP) {
11354 int offset = gameNumber - lastLoadGameNumber;
11356 cmailMsg[0] = NULLCHAR;
11357 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11358 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11359 nCmailMovesRegistered--;
11361 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11362 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11363 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11366 if (! RegisterMove()) return FALSE;
11370 retVal = LoadGame(f, gameNumber, title, useList);
11372 /* Make move registered during previous look at this game, if any */
11373 MakeRegisteredMove();
11375 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11376 commentList[currentMove]
11377 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11378 DisplayComment(currentMove - 1, commentList[currentMove]);
11384 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11386 ReloadGame (int offset)
11388 int gameNumber = lastLoadGameNumber + offset;
11389 if (lastLoadGameFP == NULL) {
11390 DisplayError(_("No game has been loaded yet"), 0);
11393 if (gameNumber <= 0) {
11394 DisplayError(_("Can't back up any further"), 0);
11397 if (cmailMsgLoaded) {
11398 return CmailLoadGame(lastLoadGameFP, gameNumber,
11399 lastLoadGameTitle, lastLoadGameUseList);
11401 return LoadGame(lastLoadGameFP, gameNumber,
11402 lastLoadGameTitle, lastLoadGameUseList);
11406 int keys[EmptySquare+1];
11409 PositionMatches (Board b1, Board b2)
11412 switch(appData.searchMode) {
11413 case 1: return CompareWithRights(b1, b2);
11415 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11416 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11420 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11421 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11422 sum += keys[b1[r][f]] - keys[b2[r][f]];
11426 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11427 sum += keys[b1[r][f]] - keys[b2[r][f]];
11439 int pieceList[256], quickBoard[256];
11440 ChessSquare pieceType[256] = { EmptySquare };
11441 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11442 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11443 int soughtTotal, turn;
11444 Boolean epOK, flipSearch;
11447 unsigned char piece, to;
11450 #define DSIZE (250000)
11452 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11453 Move *moveDatabase = initialSpace;
11454 unsigned int movePtr, dataSize = DSIZE;
11457 MakePieceList (Board board, int *counts)
11459 int r, f, n=Q_PROMO, total=0;
11460 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11461 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11462 int sq = f + (r<<4);
11463 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11464 quickBoard[sq] = ++n;
11466 pieceType[n] = board[r][f];
11467 counts[board[r][f]]++;
11468 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11469 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11473 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11478 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11480 int sq = fromX + (fromY<<4);
11481 int piece = quickBoard[sq];
11482 quickBoard[sq] = 0;
11483 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11484 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11485 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11486 moveDatabase[movePtr++].piece = Q_WCASTL;
11487 quickBoard[sq] = piece;
11488 piece = quickBoard[from]; quickBoard[from] = 0;
11489 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11491 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11492 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11493 moveDatabase[movePtr++].piece = Q_BCASTL;
11494 quickBoard[sq] = piece;
11495 piece = quickBoard[from]; quickBoard[from] = 0;
11496 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11498 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11499 quickBoard[(fromY<<4)+toX] = 0;
11500 moveDatabase[movePtr].piece = Q_EP;
11501 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11502 moveDatabase[movePtr].to = sq;
11504 if(promoPiece != pieceType[piece]) {
11505 moveDatabase[movePtr++].piece = Q_PROMO;
11506 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11508 moveDatabase[movePtr].piece = piece;
11509 quickBoard[sq] = piece;
11514 PackGame (Board board)
11516 Move *newSpace = NULL;
11517 moveDatabase[movePtr].piece = 0; // terminate previous game
11518 if(movePtr > dataSize) {
11519 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11520 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11521 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11524 Move *p = moveDatabase, *q = newSpace;
11525 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11526 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11527 moveDatabase = newSpace;
11528 } else { // calloc failed, we must be out of memory. Too bad...
11529 dataSize = 0; // prevent calloc events for all subsequent games
11530 return 0; // and signal this one isn't cached
11534 MakePieceList(board, counts);
11539 QuickCompare (Board board, int *minCounts, int *maxCounts)
11540 { // compare according to search mode
11542 switch(appData.searchMode)
11544 case 1: // exact position match
11545 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11546 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11547 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11550 case 2: // can have extra material on empty squares
11551 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11552 if(board[r][f] == EmptySquare) continue;
11553 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11556 case 3: // material with exact Pawn structure
11557 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11558 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11559 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11560 } // fall through to material comparison
11561 case 4: // exact material
11562 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11564 case 6: // material range with given imbalance
11565 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11566 // fall through to range comparison
11567 case 5: // material range
11568 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11574 QuickScan (Board board, Move *move)
11575 { // reconstruct game,and compare all positions in it
11576 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11578 int piece = move->piece;
11579 int to = move->to, from = pieceList[piece];
11580 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11581 if(!piece) return -1;
11582 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11583 piece = (++move)->piece;
11584 from = pieceList[piece];
11585 counts[pieceType[piece]]--;
11586 pieceType[piece] = (ChessSquare) move->to;
11587 counts[move->to]++;
11588 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11589 counts[pieceType[quickBoard[to]]]--;
11590 quickBoard[to] = 0; total--;
11593 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11594 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11595 from = pieceList[piece]; // so this must be King
11596 quickBoard[from] = 0;
11597 pieceList[piece] = to;
11598 from = pieceList[(++move)->piece]; // for FRC this has to be done here
11599 quickBoard[from] = 0; // rook
11600 quickBoard[to] = piece;
11601 to = move->to; piece = move->piece;
11605 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11606 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11607 quickBoard[from] = 0;
11609 quickBoard[to] = piece;
11610 pieceList[piece] = to;
11612 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11613 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11614 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11615 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11617 static int lastCounts[EmptySquare+1];
11619 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11620 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11621 } else stretch = 0;
11622 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11631 flipSearch = FALSE;
11632 CopyBoard(soughtBoard, boards[currentMove]);
11633 soughtTotal = MakePieceList(soughtBoard, maxSought);
11634 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11635 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11636 CopyBoard(reverseBoard, boards[currentMove]);
11637 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11638 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11639 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11640 reverseBoard[r][f] = piece;
11642 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11643 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11644 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11645 || (boards[currentMove][CASTLING][2] == NoRights ||
11646 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11647 && (boards[currentMove][CASTLING][5] == NoRights ||
11648 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11651 CopyBoard(flipBoard, soughtBoard);
11652 CopyBoard(rotateBoard, reverseBoard);
11653 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11654 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11655 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11658 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11659 if(appData.searchMode >= 5) {
11660 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11661 MakePieceList(soughtBoard, minSought);
11662 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11664 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11665 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11668 GameInfo dummyInfo;
11671 GameContainsPosition (FILE *f, ListGame *lg)
11673 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11674 int fromX, fromY, toX, toY;
11676 static int initDone=FALSE;
11678 // weed out games based on numerical tag comparison
11679 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11680 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11681 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11682 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11684 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11687 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11688 else CopyBoard(boards[scratch], initialPosition); // default start position
11691 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11692 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11695 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11696 fseek(f, lg->offset, 0);
11699 yyboardindex = scratch;
11700 quickFlag = plyNr+1;
11705 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11711 if(plyNr) return -1; // after we have seen moves, this is for new game
11714 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11715 case ImpossibleMove:
11716 case WhiteWins: // game ends here with these four
11719 case GameUnfinished:
11723 if(appData.testLegality) return -1;
11724 case WhiteCapturesEnPassant:
11725 case BlackCapturesEnPassant:
11726 case WhitePromotion:
11727 case BlackPromotion:
11728 case WhiteNonPromotion:
11729 case BlackNonPromotion:
11731 case WhiteKingSideCastle:
11732 case WhiteQueenSideCastle:
11733 case BlackKingSideCastle:
11734 case BlackQueenSideCastle:
11735 case WhiteKingSideCastleWild:
11736 case WhiteQueenSideCastleWild:
11737 case BlackKingSideCastleWild:
11738 case BlackQueenSideCastleWild:
11739 case WhiteHSideCastleFR:
11740 case WhiteASideCastleFR:
11741 case BlackHSideCastleFR:
11742 case BlackASideCastleFR:
11743 fromX = currentMoveString[0] - AAA;
11744 fromY = currentMoveString[1] - ONE;
11745 toX = currentMoveString[2] - AAA;
11746 toY = currentMoveString[3] - ONE;
11747 promoChar = currentMoveString[4];
11751 fromX = next == WhiteDrop ?
11752 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11753 (int) CharToPiece(ToLower(currentMoveString[0]));
11755 toX = currentMoveString[2] - AAA;
11756 toY = currentMoveString[3] - ONE;
11760 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11762 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11763 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11764 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11765 if(appData.findMirror) {
11766 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11767 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11772 /* Load the nth game from open file f */
11774 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11778 int gn = gameNumber;
11779 ListGame *lg = NULL;
11780 int numPGNTags = 0;
11782 GameMode oldGameMode;
11783 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11785 if (appData.debugMode)
11786 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11788 if (gameMode == Training )
11789 SetTrainingModeOff();
11791 oldGameMode = gameMode;
11792 if (gameMode != BeginningOfGame) {
11793 Reset(FALSE, TRUE);
11797 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11798 fclose(lastLoadGameFP);
11802 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11805 fseek(f, lg->offset, 0);
11806 GameListHighlight(gameNumber);
11807 pos = lg->position;
11811 DisplayError(_("Game number out of range"), 0);
11816 if (fseek(f, 0, 0) == -1) {
11817 if (f == lastLoadGameFP ?
11818 gameNumber == lastLoadGameNumber + 1 :
11822 DisplayError(_("Can't seek on game file"), 0);
11827 lastLoadGameFP = f;
11828 lastLoadGameNumber = gameNumber;
11829 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11830 lastLoadGameUseList = useList;
11834 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11835 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11836 lg->gameInfo.black);
11838 } else if (*title != NULLCHAR) {
11839 if (gameNumber > 1) {
11840 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11843 DisplayTitle(title);
11847 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11848 gameMode = PlayFromGameFile;
11852 currentMove = forwardMostMove = backwardMostMove = 0;
11853 CopyBoard(boards[0], initialPosition);
11857 * Skip the first gn-1 games in the file.
11858 * Also skip over anything that precedes an identifiable
11859 * start of game marker, to avoid being confused by
11860 * garbage at the start of the file. Currently
11861 * recognized start of game markers are the move number "1",
11862 * the pattern "gnuchess .* game", the pattern
11863 * "^[#;%] [^ ]* game file", and a PGN tag block.
11864 * A game that starts with one of the latter two patterns
11865 * will also have a move number 1, possibly
11866 * following a position diagram.
11867 * 5-4-02: Let's try being more lenient and allowing a game to
11868 * start with an unnumbered move. Does that break anything?
11870 cm = lastLoadGameStart = EndOfFile;
11872 yyboardindex = forwardMostMove;
11873 cm = (ChessMove) Myylex();
11876 if (cmailMsgLoaded) {
11877 nCmailGames = CMAIL_MAX_GAMES - gn;
11880 DisplayError(_("Game not found in file"), 0);
11887 lastLoadGameStart = cm;
11890 case MoveNumberOne:
11891 switch (lastLoadGameStart) {
11896 case MoveNumberOne:
11898 gn--; /* count this game */
11899 lastLoadGameStart = cm;
11908 switch (lastLoadGameStart) {
11911 case MoveNumberOne:
11913 gn--; /* count this game */
11914 lastLoadGameStart = cm;
11917 lastLoadGameStart = cm; /* game counted already */
11925 yyboardindex = forwardMostMove;
11926 cm = (ChessMove) Myylex();
11927 } while (cm == PGNTag || cm == Comment);
11934 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11935 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11936 != CMAIL_OLD_RESULT) {
11938 cmailResult[ CMAIL_MAX_GAMES
11939 - gn - 1] = CMAIL_OLD_RESULT;
11945 /* Only a NormalMove can be at the start of a game
11946 * without a position diagram. */
11947 if (lastLoadGameStart == EndOfFile ) {
11949 lastLoadGameStart = MoveNumberOne;
11958 if (appData.debugMode)
11959 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11961 if (cm == XBoardGame) {
11962 /* Skip any header junk before position diagram and/or move 1 */
11964 yyboardindex = forwardMostMove;
11965 cm = (ChessMove) Myylex();
11967 if (cm == EndOfFile ||
11968 cm == GNUChessGame || cm == XBoardGame) {
11969 /* Empty game; pretend end-of-file and handle later */
11974 if (cm == MoveNumberOne || cm == PositionDiagram ||
11975 cm == PGNTag || cm == Comment)
11978 } else if (cm == GNUChessGame) {
11979 if (gameInfo.event != NULL) {
11980 free(gameInfo.event);
11982 gameInfo.event = StrSave(yy_text);
11985 startedFromSetupPosition = FALSE;
11986 while (cm == PGNTag) {
11987 if (appData.debugMode)
11988 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11989 err = ParsePGNTag(yy_text, &gameInfo);
11990 if (!err) numPGNTags++;
11992 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11993 if(gameInfo.variant != oldVariant) {
11994 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11995 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11996 InitPosition(TRUE);
11997 oldVariant = gameInfo.variant;
11998 if (appData.debugMode)
11999 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12003 if (gameInfo.fen != NULL) {
12004 Board initial_position;
12005 startedFromSetupPosition = TRUE;
12006 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
12008 DisplayError(_("Bad FEN position in file"), 0);
12011 CopyBoard(boards[0], initial_position);
12012 if (blackPlaysFirst) {
12013 currentMove = forwardMostMove = backwardMostMove = 1;
12014 CopyBoard(boards[1], initial_position);
12015 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12016 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12017 timeRemaining[0][1] = whiteTimeRemaining;
12018 timeRemaining[1][1] = blackTimeRemaining;
12019 if (commentList[0] != NULL) {
12020 commentList[1] = commentList[0];
12021 commentList[0] = NULL;
12024 currentMove = forwardMostMove = backwardMostMove = 0;
12026 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12028 initialRulePlies = FENrulePlies;
12029 for( i=0; i< nrCastlingRights; i++ )
12030 initialRights[i] = initial_position[CASTLING][i];
12032 yyboardindex = forwardMostMove;
12033 free(gameInfo.fen);
12034 gameInfo.fen = NULL;
12037 yyboardindex = forwardMostMove;
12038 cm = (ChessMove) Myylex();
12040 /* Handle comments interspersed among the tags */
12041 while (cm == Comment) {
12043 if (appData.debugMode)
12044 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12046 AppendComment(currentMove, p, FALSE);
12047 yyboardindex = forwardMostMove;
12048 cm = (ChessMove) Myylex();
12052 /* don't rely on existence of Event tag since if game was
12053 * pasted from clipboard the Event tag may not exist
12055 if (numPGNTags > 0){
12057 if (gameInfo.variant == VariantNormal) {
12058 VariantClass v = StringToVariant(gameInfo.event);
12059 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12060 if(v < VariantShogi) gameInfo.variant = v;
12063 if( appData.autoDisplayTags ) {
12064 tags = PGNTags(&gameInfo);
12065 TagsPopUp(tags, CmailMsg());
12070 /* Make something up, but don't display it now */
12075 if (cm == PositionDiagram) {
12078 Board initial_position;
12080 if (appData.debugMode)
12081 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12083 if (!startedFromSetupPosition) {
12085 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12086 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12097 initial_position[i][j++] = CharToPiece(*p);
12100 while (*p == ' ' || *p == '\t' ||
12101 *p == '\n' || *p == '\r') p++;
12103 if (strncmp(p, "black", strlen("black"))==0)
12104 blackPlaysFirst = TRUE;
12106 blackPlaysFirst = FALSE;
12107 startedFromSetupPosition = TRUE;
12109 CopyBoard(boards[0], initial_position);
12110 if (blackPlaysFirst) {
12111 currentMove = forwardMostMove = backwardMostMove = 1;
12112 CopyBoard(boards[1], initial_position);
12113 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12114 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12115 timeRemaining[0][1] = whiteTimeRemaining;
12116 timeRemaining[1][1] = blackTimeRemaining;
12117 if (commentList[0] != NULL) {
12118 commentList[1] = commentList[0];
12119 commentList[0] = NULL;
12122 currentMove = forwardMostMove = backwardMostMove = 0;
12125 yyboardindex = forwardMostMove;
12126 cm = (ChessMove) Myylex();
12129 if (first.pr == NoProc) {
12130 StartChessProgram(&first);
12132 InitChessProgram(&first, FALSE);
12133 SendToProgram("force\n", &first);
12134 if (startedFromSetupPosition) {
12135 SendBoard(&first, forwardMostMove);
12136 if (appData.debugMode) {
12137 fprintf(debugFP, "Load Game\n");
12139 DisplayBothClocks();
12142 /* [HGM] server: flag to write setup moves in broadcast file as one */
12143 loadFlag = appData.suppressLoadMoves;
12145 while (cm == Comment) {
12147 if (appData.debugMode)
12148 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12150 AppendComment(currentMove, p, FALSE);
12151 yyboardindex = forwardMostMove;
12152 cm = (ChessMove) Myylex();
12155 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12156 cm == WhiteWins || cm == BlackWins ||
12157 cm == GameIsDrawn || cm == GameUnfinished) {
12158 DisplayMessage("", _("No moves in game"));
12159 if (cmailMsgLoaded) {
12160 if (appData.debugMode)
12161 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12165 DrawPosition(FALSE, boards[currentMove]);
12166 DisplayBothClocks();
12167 gameMode = EditGame;
12174 // [HGM] PV info: routine tests if comment empty
12175 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12176 DisplayComment(currentMove - 1, commentList[currentMove]);
12178 if (!matchMode && appData.timeDelay != 0)
12179 DrawPosition(FALSE, boards[currentMove]);
12181 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12182 programStats.ok_to_send = 1;
12185 /* if the first token after the PGN tags is a move
12186 * and not move number 1, retrieve it from the parser
12188 if (cm != MoveNumberOne)
12189 LoadGameOneMove(cm);
12191 /* load the remaining moves from the file */
12192 while (LoadGameOneMove(EndOfFile)) {
12193 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12194 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12197 /* rewind to the start of the game */
12198 currentMove = backwardMostMove;
12200 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12202 if (oldGameMode == AnalyzeFile ||
12203 oldGameMode == AnalyzeMode) {
12204 AnalyzeFileEvent();
12207 if (!matchMode && pos > 0) {
12208 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12210 if (matchMode || appData.timeDelay == 0) {
12212 } else if (appData.timeDelay > 0) {
12213 AutoPlayGameLoop();
12216 if (appData.debugMode)
12217 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12219 loadFlag = 0; /* [HGM] true game starts */
12223 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12225 ReloadPosition (int offset)
12227 int positionNumber = lastLoadPositionNumber + offset;
12228 if (lastLoadPositionFP == NULL) {
12229 DisplayError(_("No position has been loaded yet"), 0);
12232 if (positionNumber <= 0) {
12233 DisplayError(_("Can't back up any further"), 0);
12236 return LoadPosition(lastLoadPositionFP, positionNumber,
12237 lastLoadPositionTitle);
12240 /* Load the nth position from the given file */
12242 LoadPositionFromFile (char *filename, int n, char *title)
12247 if (strcmp(filename, "-") == 0) {
12248 return LoadPosition(stdin, n, "stdin");
12250 f = fopen(filename, "rb");
12252 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12253 DisplayError(buf, errno);
12256 return LoadPosition(f, n, title);
12261 /* Load the nth position from the given open file, and close it */
12263 LoadPosition (FILE *f, int positionNumber, char *title)
12265 char *p, line[MSG_SIZ];
12266 Board initial_position;
12267 int i, j, fenMode, pn;
12269 if (gameMode == Training )
12270 SetTrainingModeOff();
12272 if (gameMode != BeginningOfGame) {
12273 Reset(FALSE, TRUE);
12275 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12276 fclose(lastLoadPositionFP);
12278 if (positionNumber == 0) positionNumber = 1;
12279 lastLoadPositionFP = f;
12280 lastLoadPositionNumber = positionNumber;
12281 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12282 if (first.pr == NoProc && !appData.noChessProgram) {
12283 StartChessProgram(&first);
12284 InitChessProgram(&first, FALSE);
12286 pn = positionNumber;
12287 if (positionNumber < 0) {
12288 /* Negative position number means to seek to that byte offset */
12289 if (fseek(f, -positionNumber, 0) == -1) {
12290 DisplayError(_("Can't seek on position file"), 0);
12295 if (fseek(f, 0, 0) == -1) {
12296 if (f == lastLoadPositionFP ?
12297 positionNumber == lastLoadPositionNumber + 1 :
12298 positionNumber == 1) {
12301 DisplayError(_("Can't seek on position file"), 0);
12306 /* See if this file is FEN or old-style xboard */
12307 if (fgets(line, MSG_SIZ, f) == NULL) {
12308 DisplayError(_("Position not found in file"), 0);
12311 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12312 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12315 if (fenMode || line[0] == '#') pn--;
12317 /* skip positions before number pn */
12318 if (fgets(line, MSG_SIZ, f) == NULL) {
12320 DisplayError(_("Position not found in file"), 0);
12323 if (fenMode || line[0] == '#') pn--;
12328 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12329 DisplayError(_("Bad FEN position in file"), 0);
12333 (void) fgets(line, MSG_SIZ, f);
12334 (void) fgets(line, MSG_SIZ, f);
12336 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12337 (void) fgets(line, MSG_SIZ, f);
12338 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12341 initial_position[i][j++] = CharToPiece(*p);
12345 blackPlaysFirst = FALSE;
12347 (void) fgets(line, MSG_SIZ, f);
12348 if (strncmp(line, "black", strlen("black"))==0)
12349 blackPlaysFirst = TRUE;
12352 startedFromSetupPosition = TRUE;
12354 CopyBoard(boards[0], initial_position);
12355 if (blackPlaysFirst) {
12356 currentMove = forwardMostMove = backwardMostMove = 1;
12357 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12358 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12359 CopyBoard(boards[1], initial_position);
12360 DisplayMessage("", _("Black to play"));
12362 currentMove = forwardMostMove = backwardMostMove = 0;
12363 DisplayMessage("", _("White to play"));
12365 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12366 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12367 SendToProgram("force\n", &first);
12368 SendBoard(&first, forwardMostMove);
12370 if (appData.debugMode) {
12372 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12373 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12374 fprintf(debugFP, "Load Position\n");
12377 if (positionNumber > 1) {
12378 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12379 DisplayTitle(line);
12381 DisplayTitle(title);
12383 gameMode = EditGame;
12386 timeRemaining[0][1] = whiteTimeRemaining;
12387 timeRemaining[1][1] = blackTimeRemaining;
12388 DrawPosition(FALSE, boards[currentMove]);
12395 CopyPlayerNameIntoFileName (char **dest, char *src)
12397 while (*src != NULLCHAR && *src != ',') {
12402 *(*dest)++ = *src++;
12408 DefaultFileName (char *ext)
12410 static char def[MSG_SIZ];
12413 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12415 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12417 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12419 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12426 /* Save the current game to the given file */
12428 SaveGameToFile (char *filename, int append)
12432 int result, i, t,tot=0;
12434 if (strcmp(filename, "-") == 0) {
12435 return SaveGame(stdout, 0, NULL);
12437 for(i=0; i<10; i++) { // upto 10 tries
12438 f = fopen(filename, append ? "a" : "w");
12439 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12440 if(f || errno != 13) break;
12441 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12445 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12446 DisplayError(buf, errno);
12449 safeStrCpy(buf, lastMsg, MSG_SIZ);
12450 DisplayMessage(_("Waiting for access to save file"), "");
12451 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12452 DisplayMessage(_("Saving game"), "");
12453 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12454 result = SaveGame(f, 0, NULL);
12455 DisplayMessage(buf, "");
12462 SavePart (char *str)
12464 static char buf[MSG_SIZ];
12467 p = strchr(str, ' ');
12468 if (p == NULL) return str;
12469 strncpy(buf, str, p - str);
12470 buf[p - str] = NULLCHAR;
12474 #define PGN_MAX_LINE 75
12476 #define PGN_SIDE_WHITE 0
12477 #define PGN_SIDE_BLACK 1
12480 FindFirstMoveOutOfBook (int side)
12484 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12485 int index = backwardMostMove;
12486 int has_book_hit = 0;
12488 if( (index % 2) != side ) {
12492 while( index < forwardMostMove ) {
12493 /* Check to see if engine is in book */
12494 int depth = pvInfoList[index].depth;
12495 int score = pvInfoList[index].score;
12501 else if( score == 0 && depth == 63 ) {
12502 in_book = 1; /* Zappa */
12504 else if( score == 2 && depth == 99 ) {
12505 in_book = 1; /* Abrok */
12508 has_book_hit += in_book;
12524 GetOutOfBookInfo (char * buf)
12528 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12530 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12531 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12535 if( oob[0] >= 0 || oob[1] >= 0 ) {
12536 for( i=0; i<2; i++ ) {
12540 if( i > 0 && oob[0] >= 0 ) {
12541 strcat( buf, " " );
12544 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12545 sprintf( buf+strlen(buf), "%s%.2f",
12546 pvInfoList[idx].score >= 0 ? "+" : "",
12547 pvInfoList[idx].score / 100.0 );
12553 /* Save game in PGN style and close the file */
12555 SaveGamePGN (FILE *f)
12557 int i, offset, linelen, newblock;
12560 int movelen, numlen, blank;
12561 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12563 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12565 PrintPGNTags(f, &gameInfo);
12567 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12569 if (backwardMostMove > 0 || startedFromSetupPosition) {
12570 char *fen = PositionToFEN(backwardMostMove, NULL);
12571 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12572 fprintf(f, "\n{--------------\n");
12573 PrintPosition(f, backwardMostMove);
12574 fprintf(f, "--------------}\n");
12578 /* [AS] Out of book annotation */
12579 if( appData.saveOutOfBookInfo ) {
12582 GetOutOfBookInfo( buf );
12584 if( buf[0] != '\0' ) {
12585 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12592 i = backwardMostMove;
12596 while (i < forwardMostMove) {
12597 /* Print comments preceding this move */
12598 if (commentList[i] != NULL) {
12599 if (linelen > 0) fprintf(f, "\n");
12600 fprintf(f, "%s", commentList[i]);
12605 /* Format move number */
12607 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12610 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12612 numtext[0] = NULLCHAR;
12614 numlen = strlen(numtext);
12617 /* Print move number */
12618 blank = linelen > 0 && numlen > 0;
12619 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12628 fprintf(f, "%s", numtext);
12632 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12633 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12636 blank = linelen > 0 && movelen > 0;
12637 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12646 fprintf(f, "%s", move_buffer);
12647 linelen += movelen;
12649 /* [AS] Add PV info if present */
12650 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12651 /* [HGM] add time */
12652 char buf[MSG_SIZ]; int seconds;
12654 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12660 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12663 seconds = (seconds + 4)/10; // round to full seconds
12665 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12667 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12670 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12671 pvInfoList[i].score >= 0 ? "+" : "",
12672 pvInfoList[i].score / 100.0,
12673 pvInfoList[i].depth,
12676 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12678 /* Print score/depth */
12679 blank = linelen > 0 && movelen > 0;
12680 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12689 fprintf(f, "%s", move_buffer);
12690 linelen += movelen;
12696 /* Start a new line */
12697 if (linelen > 0) fprintf(f, "\n");
12699 /* Print comments after last move */
12700 if (commentList[i] != NULL) {
12701 fprintf(f, "%s\n", commentList[i]);
12705 if (gameInfo.resultDetails != NULL &&
12706 gameInfo.resultDetails[0] != NULLCHAR) {
12707 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12708 PGNResult(gameInfo.result));
12710 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12714 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12718 /* Save game in old style and close the file */
12720 SaveGameOldStyle (FILE *f)
12725 tm = time((time_t *) NULL);
12727 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12730 if (backwardMostMove > 0 || startedFromSetupPosition) {
12731 fprintf(f, "\n[--------------\n");
12732 PrintPosition(f, backwardMostMove);
12733 fprintf(f, "--------------]\n");
12738 i = backwardMostMove;
12739 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12741 while (i < forwardMostMove) {
12742 if (commentList[i] != NULL) {
12743 fprintf(f, "[%s]\n", commentList[i]);
12746 if ((i % 2) == 1) {
12747 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12750 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12752 if (commentList[i] != NULL) {
12756 if (i >= forwardMostMove) {
12760 fprintf(f, "%s\n", parseList[i]);
12765 if (commentList[i] != NULL) {
12766 fprintf(f, "[%s]\n", commentList[i]);
12769 /* This isn't really the old style, but it's close enough */
12770 if (gameInfo.resultDetails != NULL &&
12771 gameInfo.resultDetails[0] != NULLCHAR) {
12772 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12773 gameInfo.resultDetails);
12775 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12782 /* Save the current game to open file f and close the file */
12784 SaveGame (FILE *f, int dummy, char *dummy2)
12786 if (gameMode == EditPosition) EditPositionDone(TRUE);
12787 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12788 if (appData.oldSaveStyle)
12789 return SaveGameOldStyle(f);
12791 return SaveGamePGN(f);
12794 /* Save the current position to the given file */
12796 SavePositionToFile (char *filename)
12801 if (strcmp(filename, "-") == 0) {
12802 return SavePosition(stdout, 0, NULL);
12804 f = fopen(filename, "a");
12806 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12807 DisplayError(buf, errno);
12810 safeStrCpy(buf, lastMsg, MSG_SIZ);
12811 DisplayMessage(_("Waiting for access to save file"), "");
12812 flock(fileno(f), LOCK_EX); // [HGM] lock
12813 DisplayMessage(_("Saving position"), "");
12814 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12815 SavePosition(f, 0, NULL);
12816 DisplayMessage(buf, "");
12822 /* Save the current position to the given open file and close the file */
12824 SavePosition (FILE *f, int dummy, char *dummy2)
12829 if (gameMode == EditPosition) EditPositionDone(TRUE);
12830 if (appData.oldSaveStyle) {
12831 tm = time((time_t *) NULL);
12833 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12835 fprintf(f, "[--------------\n");
12836 PrintPosition(f, currentMove);
12837 fprintf(f, "--------------]\n");
12839 fen = PositionToFEN(currentMove, NULL);
12840 fprintf(f, "%s\n", fen);
12848 ReloadCmailMsgEvent (int unregister)
12851 static char *inFilename = NULL;
12852 static char *outFilename;
12854 struct stat inbuf, outbuf;
12857 /* Any registered moves are unregistered if unregister is set, */
12858 /* i.e. invoked by the signal handler */
12860 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12861 cmailMoveRegistered[i] = FALSE;
12862 if (cmailCommentList[i] != NULL) {
12863 free(cmailCommentList[i]);
12864 cmailCommentList[i] = NULL;
12867 nCmailMovesRegistered = 0;
12870 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12871 cmailResult[i] = CMAIL_NOT_RESULT;
12875 if (inFilename == NULL) {
12876 /* Because the filenames are static they only get malloced once */
12877 /* and they never get freed */
12878 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12879 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12881 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12882 sprintf(outFilename, "%s.out", appData.cmailGameName);
12885 status = stat(outFilename, &outbuf);
12887 cmailMailedMove = FALSE;
12889 status = stat(inFilename, &inbuf);
12890 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12893 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12894 counts the games, notes how each one terminated, etc.
12896 It would be nice to remove this kludge and instead gather all
12897 the information while building the game list. (And to keep it
12898 in the game list nodes instead of having a bunch of fixed-size
12899 parallel arrays.) Note this will require getting each game's
12900 termination from the PGN tags, as the game list builder does
12901 not process the game moves. --mann
12903 cmailMsgLoaded = TRUE;
12904 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12906 /* Load first game in the file or popup game menu */
12907 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12909 #endif /* !WIN32 */
12917 char string[MSG_SIZ];
12919 if ( cmailMailedMove
12920 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12921 return TRUE; /* Allow free viewing */
12924 /* Unregister move to ensure that we don't leave RegisterMove */
12925 /* with the move registered when the conditions for registering no */
12927 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12928 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12929 nCmailMovesRegistered --;
12931 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12933 free(cmailCommentList[lastLoadGameNumber - 1]);
12934 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12938 if (cmailOldMove == -1) {
12939 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12943 if (currentMove > cmailOldMove + 1) {
12944 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12948 if (currentMove < cmailOldMove) {
12949 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12953 if (forwardMostMove > currentMove) {
12954 /* Silently truncate extra moves */
12958 if ( (currentMove == cmailOldMove + 1)
12959 || ( (currentMove == cmailOldMove)
12960 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12961 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12962 if (gameInfo.result != GameUnfinished) {
12963 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12966 if (commentList[currentMove] != NULL) {
12967 cmailCommentList[lastLoadGameNumber - 1]
12968 = StrSave(commentList[currentMove]);
12970 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12972 if (appData.debugMode)
12973 fprintf(debugFP, "Saving %s for game %d\n",
12974 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12976 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12978 f = fopen(string, "w");
12979 if (appData.oldSaveStyle) {
12980 SaveGameOldStyle(f); /* also closes the file */
12982 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12983 f = fopen(string, "w");
12984 SavePosition(f, 0, NULL); /* also closes the file */
12986 fprintf(f, "{--------------\n");
12987 PrintPosition(f, currentMove);
12988 fprintf(f, "--------------}\n\n");
12990 SaveGame(f, 0, NULL); /* also closes the file*/
12993 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12994 nCmailMovesRegistered ++;
12995 } else if (nCmailGames == 1) {
12996 DisplayError(_("You have not made a move yet"), 0);
13007 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13008 FILE *commandOutput;
13009 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13010 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13016 if (! cmailMsgLoaded) {
13017 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13021 if (nCmailGames == nCmailResults) {
13022 DisplayError(_("No unfinished games"), 0);
13026 #if CMAIL_PROHIBIT_REMAIL
13027 if (cmailMailedMove) {
13028 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);
13029 DisplayError(msg, 0);
13034 if (! (cmailMailedMove || RegisterMove())) return;
13036 if ( cmailMailedMove
13037 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13038 snprintf(string, MSG_SIZ, partCommandString,
13039 appData.debugMode ? " -v" : "", appData.cmailGameName);
13040 commandOutput = popen(string, "r");
13042 if (commandOutput == NULL) {
13043 DisplayError(_("Failed to invoke cmail"), 0);
13045 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13046 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13048 if (nBuffers > 1) {
13049 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13050 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13051 nBytes = MSG_SIZ - 1;
13053 (void) memcpy(msg, buffer, nBytes);
13055 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13057 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13058 cmailMailedMove = TRUE; /* Prevent >1 moves */
13061 for (i = 0; i < nCmailGames; i ++) {
13062 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13067 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13069 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13071 appData.cmailGameName,
13073 LoadGameFromFile(buffer, 1, buffer, FALSE);
13074 cmailMsgLoaded = FALSE;
13078 DisplayInformation(msg);
13079 pclose(commandOutput);
13082 if ((*cmailMsg) != '\0') {
13083 DisplayInformation(cmailMsg);
13088 #endif /* !WIN32 */
13097 int prependComma = 0;
13099 char string[MSG_SIZ]; /* Space for game-list */
13102 if (!cmailMsgLoaded) return "";
13104 if (cmailMailedMove) {
13105 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13107 /* Create a list of games left */
13108 snprintf(string, MSG_SIZ, "[");
13109 for (i = 0; i < nCmailGames; i ++) {
13110 if (! ( cmailMoveRegistered[i]
13111 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13112 if (prependComma) {
13113 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13115 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13119 strcat(string, number);
13122 strcat(string, "]");
13124 if (nCmailMovesRegistered + nCmailResults == 0) {
13125 switch (nCmailGames) {
13127 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13131 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13135 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13140 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13142 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13147 if (nCmailResults == nCmailGames) {
13148 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13150 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13155 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13167 if (gameMode == Training)
13168 SetTrainingModeOff();
13171 cmailMsgLoaded = FALSE;
13172 if (appData.icsActive) {
13173 SendToICS(ics_prefix);
13174 SendToICS("refresh\n");
13179 ExitEvent (int status)
13183 /* Give up on clean exit */
13187 /* Keep trying for clean exit */
13191 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13193 if (telnetISR != NULL) {
13194 RemoveInputSource(telnetISR);
13196 if (icsPR != NoProc) {
13197 DestroyChildProcess(icsPR, TRUE);
13200 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13201 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13203 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13204 /* make sure this other one finishes before killing it! */
13205 if(endingGame) { int count = 0;
13206 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13207 while(endingGame && count++ < 10) DoSleep(1);
13208 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13211 /* Kill off chess programs */
13212 if (first.pr != NoProc) {
13215 DoSleep( appData.delayBeforeQuit );
13216 SendToProgram("quit\n", &first);
13217 DoSleep( appData.delayAfterQuit );
13218 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13220 if (second.pr != NoProc) {
13221 DoSleep( appData.delayBeforeQuit );
13222 SendToProgram("quit\n", &second);
13223 DoSleep( appData.delayAfterQuit );
13224 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13226 if (first.isr != NULL) {
13227 RemoveInputSource(first.isr);
13229 if (second.isr != NULL) {
13230 RemoveInputSource(second.isr);
13233 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13234 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13236 ShutDownFrontEnd();
13243 if (appData.debugMode)
13244 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13248 if (gameMode == MachinePlaysWhite ||
13249 gameMode == MachinePlaysBlack) {
13252 DisplayBothClocks();
13254 if (gameMode == PlayFromGameFile) {
13255 if (appData.timeDelay >= 0)
13256 AutoPlayGameLoop();
13257 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13258 Reset(FALSE, TRUE);
13259 SendToICS(ics_prefix);
13260 SendToICS("refresh\n");
13261 } else if (currentMove < forwardMostMove) {
13262 ForwardInner(forwardMostMove);
13264 pauseExamInvalid = FALSE;
13266 switch (gameMode) {
13270 pauseExamForwardMostMove = forwardMostMove;
13271 pauseExamInvalid = FALSE;
13274 case IcsPlayingWhite:
13275 case IcsPlayingBlack:
13279 case PlayFromGameFile:
13280 (void) StopLoadGameTimer();
13284 case BeginningOfGame:
13285 if (appData.icsActive) return;
13286 /* else fall through */
13287 case MachinePlaysWhite:
13288 case MachinePlaysBlack:
13289 case TwoMachinesPlay:
13290 if (forwardMostMove == 0)
13291 return; /* don't pause if no one has moved */
13292 if ((gameMode == MachinePlaysWhite &&
13293 !WhiteOnMove(forwardMostMove)) ||
13294 (gameMode == MachinePlaysBlack &&
13295 WhiteOnMove(forwardMostMove))) {
13306 EditCommentEvent ()
13308 char title[MSG_SIZ];
13310 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13311 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13313 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13314 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13315 parseList[currentMove - 1]);
13318 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13325 char *tags = PGNTags(&gameInfo);
13327 EditTagsPopUp(tags, NULL);
13332 AnalyzeModeEvent ()
13334 if (appData.noChessProgram || gameMode == AnalyzeMode)
13337 if (gameMode != AnalyzeFile) {
13338 if (!appData.icsEngineAnalyze) {
13340 if (gameMode != EditGame) return;
13342 ResurrectChessProgram();
13343 SendToProgram("analyze\n", &first);
13344 first.analyzing = TRUE;
13345 /*first.maybeThinking = TRUE;*/
13346 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13347 EngineOutputPopUp();
13349 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13354 StartAnalysisClock();
13355 GetTimeMark(&lastNodeCountTime);
13360 AnalyzeFileEvent ()
13362 if (appData.noChessProgram || gameMode == AnalyzeFile)
13365 if (gameMode != AnalyzeMode) {
13367 if (gameMode != EditGame) return;
13368 ResurrectChessProgram();
13369 SendToProgram("analyze\n", &first);
13370 first.analyzing = TRUE;
13371 /*first.maybeThinking = TRUE;*/
13372 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13373 EngineOutputPopUp();
13375 gameMode = AnalyzeFile;
13380 StartAnalysisClock();
13381 GetTimeMark(&lastNodeCountTime);
13383 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
13387 MachineWhiteEvent ()
13390 char *bookHit = NULL;
13392 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13396 if (gameMode == PlayFromGameFile ||
13397 gameMode == TwoMachinesPlay ||
13398 gameMode == Training ||
13399 gameMode == AnalyzeMode ||
13400 gameMode == EndOfGame)
13403 if (gameMode == EditPosition)
13404 EditPositionDone(TRUE);
13406 if (!WhiteOnMove(currentMove)) {
13407 DisplayError(_("It is not White's turn"), 0);
13411 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13414 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13415 gameMode == AnalyzeFile)
13418 ResurrectChessProgram(); /* in case it isn't running */
13419 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13420 gameMode = MachinePlaysWhite;
13423 gameMode = MachinePlaysWhite;
13427 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13429 if (first.sendName) {
13430 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13431 SendToProgram(buf, &first);
13433 if (first.sendTime) {
13434 if (first.useColors) {
13435 SendToProgram("black\n", &first); /*gnu kludge*/
13437 SendTimeRemaining(&first, TRUE);
13439 if (first.useColors) {
13440 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13442 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13443 SetMachineThinkingEnables();
13444 first.maybeThinking = TRUE;
13448 if (appData.autoFlipView && !flipView) {
13449 flipView = !flipView;
13450 DrawPosition(FALSE, NULL);
13451 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13454 if(bookHit) { // [HGM] book: simulate book reply
13455 static char bookMove[MSG_SIZ]; // a bit generous?
13457 programStats.nodes = programStats.depth = programStats.time =
13458 programStats.score = programStats.got_only_move = 0;
13459 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13461 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13462 strcat(bookMove, bookHit);
13463 HandleMachineMove(bookMove, &first);
13468 MachineBlackEvent ()
13471 char *bookHit = NULL;
13473 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13477 if (gameMode == PlayFromGameFile ||
13478 gameMode == TwoMachinesPlay ||
13479 gameMode == Training ||
13480 gameMode == AnalyzeMode ||
13481 gameMode == EndOfGame)
13484 if (gameMode == EditPosition)
13485 EditPositionDone(TRUE);
13487 if (WhiteOnMove(currentMove)) {
13488 DisplayError(_("It is not Black's turn"), 0);
13492 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13495 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13496 gameMode == AnalyzeFile)
13499 ResurrectChessProgram(); /* in case it isn't running */
13500 gameMode = MachinePlaysBlack;
13504 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13506 if (first.sendName) {
13507 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13508 SendToProgram(buf, &first);
13510 if (first.sendTime) {
13511 if (first.useColors) {
13512 SendToProgram("white\n", &first); /*gnu kludge*/
13514 SendTimeRemaining(&first, FALSE);
13516 if (first.useColors) {
13517 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13519 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13520 SetMachineThinkingEnables();
13521 first.maybeThinking = TRUE;
13524 if (appData.autoFlipView && flipView) {
13525 flipView = !flipView;
13526 DrawPosition(FALSE, NULL);
13527 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13529 if(bookHit) { // [HGM] book: simulate book reply
13530 static char bookMove[MSG_SIZ]; // a bit generous?
13532 programStats.nodes = programStats.depth = programStats.time =
13533 programStats.score = programStats.got_only_move = 0;
13534 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13536 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13537 strcat(bookMove, bookHit);
13538 HandleMachineMove(bookMove, &first);
13544 DisplayTwoMachinesTitle ()
13547 if (appData.matchGames > 0) {
13548 if(appData.tourneyFile[0]) {
13549 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13550 gameInfo.white, _("vs."), gameInfo.black,
13551 nextGame+1, appData.matchGames+1,
13552 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13554 if (first.twoMachinesColor[0] == 'w') {
13555 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13556 gameInfo.white, _("vs."), gameInfo.black,
13557 first.matchWins, second.matchWins,
13558 matchGame - 1 - (first.matchWins + second.matchWins));
13560 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13561 gameInfo.white, _("vs."), gameInfo.black,
13562 second.matchWins, first.matchWins,
13563 matchGame - 1 - (first.matchWins + second.matchWins));
13566 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13572 SettingsMenuIfReady ()
13574 if (second.lastPing != second.lastPong) {
13575 DisplayMessage("", _("Waiting for second chess program"));
13576 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13580 DisplayMessage("", "");
13581 SettingsPopUp(&second);
13585 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13588 if (cps->pr == NoProc) {
13589 StartChessProgram(cps);
13590 if (cps->protocolVersion == 1) {
13593 /* kludge: allow timeout for initial "feature" command */
13595 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13596 DisplayMessage("", buf);
13597 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13605 TwoMachinesEvent P((void))
13609 ChessProgramState *onmove;
13610 char *bookHit = NULL;
13611 static int stalling = 0;
13615 if (appData.noChessProgram) return;
13617 switch (gameMode) {
13618 case TwoMachinesPlay:
13620 case MachinePlaysWhite:
13621 case MachinePlaysBlack:
13622 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13623 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13627 case BeginningOfGame:
13628 case PlayFromGameFile:
13631 if (gameMode != EditGame) return;
13634 EditPositionDone(TRUE);
13645 // forwardMostMove = currentMove;
13646 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13648 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13650 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13651 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13652 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13656 if(second.protocolVersion >= 2 && !strstr(second.variants, VariantName(gameInfo.variant))) {
13657 DisplayError("second engine does not play this", 0);
13662 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13663 SendToProgram("force\n", &second);
13665 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13668 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13669 if(appData.matchPause>10000 || appData.matchPause<10)
13670 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13671 wait = SubtractTimeMarks(&now, &pauseStart);
13672 if(wait < appData.matchPause) {
13673 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13676 // we are now committed to starting the game
13678 DisplayMessage("", "");
13679 if (startedFromSetupPosition) {
13680 SendBoard(&second, backwardMostMove);
13681 if (appData.debugMode) {
13682 fprintf(debugFP, "Two Machines\n");
13685 for (i = backwardMostMove; i < forwardMostMove; i++) {
13686 SendMoveToProgram(i, &second);
13689 gameMode = TwoMachinesPlay;
13691 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13693 DisplayTwoMachinesTitle();
13695 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13700 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13701 SendToProgram(first.computerString, &first);
13702 if (first.sendName) {
13703 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13704 SendToProgram(buf, &first);
13706 SendToProgram(second.computerString, &second);
13707 if (second.sendName) {
13708 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13709 SendToProgram(buf, &second);
13713 if (!first.sendTime || !second.sendTime) {
13714 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13715 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13717 if (onmove->sendTime) {
13718 if (onmove->useColors) {
13719 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13721 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13723 if (onmove->useColors) {
13724 SendToProgram(onmove->twoMachinesColor, onmove);
13726 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13727 // SendToProgram("go\n", onmove);
13728 onmove->maybeThinking = TRUE;
13729 SetMachineThinkingEnables();
13733 if(bookHit) { // [HGM] book: simulate book reply
13734 static char bookMove[MSG_SIZ]; // a bit generous?
13736 programStats.nodes = programStats.depth = programStats.time =
13737 programStats.score = programStats.got_only_move = 0;
13738 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13740 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13741 strcat(bookMove, bookHit);
13742 savedMessage = bookMove; // args for deferred call
13743 savedState = onmove;
13744 ScheduleDelayedEvent(DeferredBookMove, 1);
13751 if (gameMode == Training) {
13752 SetTrainingModeOff();
13753 gameMode = PlayFromGameFile;
13754 DisplayMessage("", _("Training mode off"));
13756 gameMode = Training;
13757 animateTraining = appData.animate;
13759 /* make sure we are not already at the end of the game */
13760 if (currentMove < forwardMostMove) {
13761 SetTrainingModeOn();
13762 DisplayMessage("", _("Training mode on"));
13764 gameMode = PlayFromGameFile;
13765 DisplayError(_("Already at end of game"), 0);
13774 if (!appData.icsActive) return;
13775 switch (gameMode) {
13776 case IcsPlayingWhite:
13777 case IcsPlayingBlack:
13780 case BeginningOfGame:
13788 EditPositionDone(TRUE);
13801 gameMode = IcsIdle;
13811 switch (gameMode) {
13813 SetTrainingModeOff();
13815 case MachinePlaysWhite:
13816 case MachinePlaysBlack:
13817 case BeginningOfGame:
13818 SendToProgram("force\n", &first);
13819 SetUserThinkingEnables();
13821 case PlayFromGameFile:
13822 (void) StopLoadGameTimer();
13823 if (gameFileFP != NULL) {
13828 EditPositionDone(TRUE);
13833 SendToProgram("force\n", &first);
13835 case TwoMachinesPlay:
13836 GameEnds(EndOfFile, NULL, GE_PLAYER);
13837 ResurrectChessProgram();
13838 SetUserThinkingEnables();
13841 ResurrectChessProgram();
13843 case IcsPlayingBlack:
13844 case IcsPlayingWhite:
13845 DisplayError(_("Warning: You are still playing a game"), 0);
13848 DisplayError(_("Warning: You are still observing a game"), 0);
13851 DisplayError(_("Warning: You are still examining a game"), 0);
13862 first.offeredDraw = second.offeredDraw = 0;
13864 if (gameMode == PlayFromGameFile) {
13865 whiteTimeRemaining = timeRemaining[0][currentMove];
13866 blackTimeRemaining = timeRemaining[1][currentMove];
13870 if (gameMode == MachinePlaysWhite ||
13871 gameMode == MachinePlaysBlack ||
13872 gameMode == TwoMachinesPlay ||
13873 gameMode == EndOfGame) {
13874 i = forwardMostMove;
13875 while (i > currentMove) {
13876 SendToProgram("undo\n", &first);
13879 if(!adjustedClock) {
13880 whiteTimeRemaining = timeRemaining[0][currentMove];
13881 blackTimeRemaining = timeRemaining[1][currentMove];
13882 DisplayBothClocks();
13884 if (whiteFlag || blackFlag) {
13885 whiteFlag = blackFlag = 0;
13890 gameMode = EditGame;
13897 EditPositionEvent ()
13899 if (gameMode == EditPosition) {
13905 if (gameMode != EditGame) return;
13907 gameMode = EditPosition;
13910 if (currentMove > 0)
13911 CopyBoard(boards[0], boards[currentMove]);
13913 blackPlaysFirst = !WhiteOnMove(currentMove);
13915 currentMove = forwardMostMove = backwardMostMove = 0;
13916 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13918 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
13924 /* [DM] icsEngineAnalyze - possible call from other functions */
13925 if (appData.icsEngineAnalyze) {
13926 appData.icsEngineAnalyze = FALSE;
13928 DisplayMessage("",_("Close ICS engine analyze..."));
13930 if (first.analysisSupport && first.analyzing) {
13931 SendToProgram("exit\n", &first);
13932 first.analyzing = FALSE;
13934 thinkOutput[0] = NULLCHAR;
13938 EditPositionDone (Boolean fakeRights)
13940 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13942 startedFromSetupPosition = TRUE;
13943 InitChessProgram(&first, FALSE);
13944 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13945 boards[0][EP_STATUS] = EP_NONE;
13946 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13947 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13948 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
13949 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13950 } else boards[0][CASTLING][2] = NoRights;
13951 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13952 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
13953 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13954 } else boards[0][CASTLING][5] = NoRights;
13955 if(gameInfo.variant == VariantSChess) {
13957 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
13958 boards[0][VIRGIN][i] = 0;
13959 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
13960 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
13964 SendToProgram("force\n", &first);
13965 if (blackPlaysFirst) {
13966 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13967 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13968 currentMove = forwardMostMove = backwardMostMove = 1;
13969 CopyBoard(boards[1], boards[0]);
13971 currentMove = forwardMostMove = backwardMostMove = 0;
13973 SendBoard(&first, forwardMostMove);
13974 if (appData.debugMode) {
13975 fprintf(debugFP, "EditPosDone\n");
13978 DisplayMessage("", "");
13979 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13980 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13981 gameMode = EditGame;
13983 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13984 ClearHighlights(); /* [AS] */
13987 /* Pause for `ms' milliseconds */
13988 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13990 TimeDelay (long ms)
13997 } while (SubtractTimeMarks(&m2, &m1) < ms);
14000 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14002 SendMultiLineToICS (char *buf)
14004 char temp[MSG_SIZ+1], *p;
14011 strncpy(temp, buf, len);
14016 if (*p == '\n' || *p == '\r')
14021 strcat(temp, "\n");
14023 SendToPlayer(temp, strlen(temp));
14027 SetWhiteToPlayEvent ()
14029 if (gameMode == EditPosition) {
14030 blackPlaysFirst = FALSE;
14031 DisplayBothClocks(); /* works because currentMove is 0 */
14032 } else if (gameMode == IcsExamining) {
14033 SendToICS(ics_prefix);
14034 SendToICS("tomove white\n");
14039 SetBlackToPlayEvent ()
14041 if (gameMode == EditPosition) {
14042 blackPlaysFirst = TRUE;
14043 currentMove = 1; /* kludge */
14044 DisplayBothClocks();
14046 } else if (gameMode == IcsExamining) {
14047 SendToICS(ics_prefix);
14048 SendToICS("tomove black\n");
14053 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14056 ChessSquare piece = boards[0][y][x];
14058 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14060 switch (selection) {
14062 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14063 SendToICS(ics_prefix);
14064 SendToICS("bsetup clear\n");
14065 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14066 SendToICS(ics_prefix);
14067 SendToICS("clearboard\n");
14069 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14070 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14071 for (y = 0; y < BOARD_HEIGHT; y++) {
14072 if (gameMode == IcsExamining) {
14073 if (boards[currentMove][y][x] != EmptySquare) {
14074 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
14079 boards[0][y][x] = p;
14084 if (gameMode == EditPosition) {
14085 DrawPosition(FALSE, boards[0]);
14090 SetWhiteToPlayEvent();
14094 SetBlackToPlayEvent();
14098 if (gameMode == IcsExamining) {
14099 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14100 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
14103 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14104 if(x == BOARD_LEFT-2) {
14105 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
14106 boards[0][y][1] = 0;
14108 if(x == BOARD_RGHT+1) {
14109 if(y >= gameInfo.holdingsSize) break;
14110 boards[0][y][BOARD_WIDTH-2] = 0;
14113 boards[0][y][x] = EmptySquare;
14114 DrawPosition(FALSE, boards[0]);
14119 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
14120 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
14121 selection = (ChessSquare) (PROMOTED piece);
14122 } else if(piece == EmptySquare) selection = WhiteSilver;
14123 else selection = (ChessSquare)((int)piece - 1);
14127 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
14128 piece > (int)BlackMan && piece <= (int)BlackKing ) {
14129 selection = (ChessSquare) (DEMOTED piece);
14130 } else if(piece == EmptySquare) selection = BlackSilver;
14131 else selection = (ChessSquare)((int)piece + 1);
14136 if(gameInfo.variant == VariantShatranj ||
14137 gameInfo.variant == VariantXiangqi ||
14138 gameInfo.variant == VariantCourier ||
14139 gameInfo.variant == VariantMakruk )
14140 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
14145 if(gameInfo.variant == VariantXiangqi)
14146 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
14147 if(gameInfo.variant == VariantKnightmate)
14148 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
14151 if (gameMode == IcsExamining) {
14152 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
14153 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
14154 PieceToChar(selection), AAA + x, ONE + y);
14157 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
14159 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
14160 n = PieceToNumber(selection - BlackPawn);
14161 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
14162 boards[0][BOARD_HEIGHT-1-n][0] = selection;
14163 boards[0][BOARD_HEIGHT-1-n][1]++;
14165 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
14166 n = PieceToNumber(selection);
14167 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
14168 boards[0][n][BOARD_WIDTH-1] = selection;
14169 boards[0][n][BOARD_WIDTH-2]++;
14172 boards[0][y][x] = selection;
14173 DrawPosition(TRUE, boards[0]);
14175 fromX = fromY = -1;
14183 DropMenuEvent (ChessSquare selection, int x, int y)
14185 ChessMove moveType;
14187 switch (gameMode) {
14188 case IcsPlayingWhite:
14189 case MachinePlaysBlack:
14190 if (!WhiteOnMove(currentMove)) {
14191 DisplayMoveError(_("It is Black's turn"));
14194 moveType = WhiteDrop;
14196 case IcsPlayingBlack:
14197 case MachinePlaysWhite:
14198 if (WhiteOnMove(currentMove)) {
14199 DisplayMoveError(_("It is White's turn"));
14202 moveType = BlackDrop;
14205 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14211 if (moveType == BlackDrop && selection < BlackPawn) {
14212 selection = (ChessSquare) ((int) selection
14213 + (int) BlackPawn - (int) WhitePawn);
14215 if (boards[currentMove][y][x] != EmptySquare) {
14216 DisplayMoveError(_("That square is occupied"));
14220 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14226 /* Accept a pending offer of any kind from opponent */
14228 if (appData.icsActive) {
14229 SendToICS(ics_prefix);
14230 SendToICS("accept\n");
14231 } else if (cmailMsgLoaded) {
14232 if (currentMove == cmailOldMove &&
14233 commentList[cmailOldMove] != NULL &&
14234 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14235 "Black offers a draw" : "White offers a draw")) {
14237 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14238 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14240 DisplayError(_("There is no pending offer on this move"), 0);
14241 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14244 /* Not used for offers from chess program */
14251 /* Decline a pending offer of any kind from opponent */
14253 if (appData.icsActive) {
14254 SendToICS(ics_prefix);
14255 SendToICS("decline\n");
14256 } else if (cmailMsgLoaded) {
14257 if (currentMove == cmailOldMove &&
14258 commentList[cmailOldMove] != NULL &&
14259 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14260 "Black offers a draw" : "White offers a draw")) {
14262 AppendComment(cmailOldMove, "Draw declined", TRUE);
14263 DisplayComment(cmailOldMove - 1, "Draw declined");
14266 DisplayError(_("There is no pending offer on this move"), 0);
14269 /* Not used for offers from chess program */
14276 /* Issue ICS rematch command */
14277 if (appData.icsActive) {
14278 SendToICS(ics_prefix);
14279 SendToICS("rematch\n");
14286 /* Call your opponent's flag (claim a win on time) */
14287 if (appData.icsActive) {
14288 SendToICS(ics_prefix);
14289 SendToICS("flag\n");
14291 switch (gameMode) {
14294 case MachinePlaysWhite:
14297 GameEnds(GameIsDrawn, "Both players ran out of time",
14300 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14302 DisplayError(_("Your opponent is not out of time"), 0);
14305 case MachinePlaysBlack:
14308 GameEnds(GameIsDrawn, "Both players ran out of time",
14311 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14313 DisplayError(_("Your opponent is not out of time"), 0);
14321 ClockClick (int which)
14322 { // [HGM] code moved to back-end from winboard.c
14323 if(which) { // black clock
14324 if (gameMode == EditPosition || gameMode == IcsExamining) {
14325 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14326 SetBlackToPlayEvent();
14327 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14328 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14329 } else if (shiftKey) {
14330 AdjustClock(which, -1);
14331 } else if (gameMode == IcsPlayingWhite ||
14332 gameMode == MachinePlaysBlack) {
14335 } else { // white clock
14336 if (gameMode == EditPosition || gameMode == IcsExamining) {
14337 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14338 SetWhiteToPlayEvent();
14339 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14340 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14341 } else if (shiftKey) {
14342 AdjustClock(which, -1);
14343 } else if (gameMode == IcsPlayingBlack ||
14344 gameMode == MachinePlaysWhite) {
14353 /* Offer draw or accept pending draw offer from opponent */
14355 if (appData.icsActive) {
14356 /* Note: tournament rules require draw offers to be
14357 made after you make your move but before you punch
14358 your clock. Currently ICS doesn't let you do that;
14359 instead, you immediately punch your clock after making
14360 a move, but you can offer a draw at any time. */
14362 SendToICS(ics_prefix);
14363 SendToICS("draw\n");
14364 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14365 } else if (cmailMsgLoaded) {
14366 if (currentMove == cmailOldMove &&
14367 commentList[cmailOldMove] != NULL &&
14368 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14369 "Black offers a draw" : "White offers a draw")) {
14370 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14371 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14372 } else if (currentMove == cmailOldMove + 1) {
14373 char *offer = WhiteOnMove(cmailOldMove) ?
14374 "White offers a draw" : "Black offers a draw";
14375 AppendComment(currentMove, offer, TRUE);
14376 DisplayComment(currentMove - 1, offer);
14377 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14379 DisplayError(_("You must make your move before offering a draw"), 0);
14380 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14382 } else if (first.offeredDraw) {
14383 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14385 if (first.sendDrawOffers) {
14386 SendToProgram("draw\n", &first);
14387 userOfferedDraw = TRUE;
14395 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14397 if (appData.icsActive) {
14398 SendToICS(ics_prefix);
14399 SendToICS("adjourn\n");
14401 /* Currently GNU Chess doesn't offer or accept Adjourns */
14409 /* Offer Abort or accept pending Abort offer from opponent */
14411 if (appData.icsActive) {
14412 SendToICS(ics_prefix);
14413 SendToICS("abort\n");
14415 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14422 /* Resign. You can do this even if it's not your turn. */
14424 if (appData.icsActive) {
14425 SendToICS(ics_prefix);
14426 SendToICS("resign\n");
14428 switch (gameMode) {
14429 case MachinePlaysWhite:
14430 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14432 case MachinePlaysBlack:
14433 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14436 if (cmailMsgLoaded) {
14438 if (WhiteOnMove(cmailOldMove)) {
14439 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14441 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14443 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14454 StopObservingEvent ()
14456 /* Stop observing current games */
14457 SendToICS(ics_prefix);
14458 SendToICS("unobserve\n");
14462 StopExaminingEvent ()
14464 /* Stop observing current game */
14465 SendToICS(ics_prefix);
14466 SendToICS("unexamine\n");
14470 ForwardInner (int target)
14472 int limit; int oldSeekGraphUp = seekGraphUp;
14474 if (appData.debugMode)
14475 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14476 target, currentMove, forwardMostMove);
14478 if (gameMode == EditPosition)
14481 seekGraphUp = FALSE;
14482 MarkTargetSquares(1);
14484 if (gameMode == PlayFromGameFile && !pausing)
14487 if (gameMode == IcsExamining && pausing)
14488 limit = pauseExamForwardMostMove;
14490 limit = forwardMostMove;
14492 if (target > limit) target = limit;
14494 if (target > 0 && moveList[target - 1][0]) {
14495 int fromX, fromY, toX, toY;
14496 toX = moveList[target - 1][2] - AAA;
14497 toY = moveList[target - 1][3] - ONE;
14498 if (moveList[target - 1][1] == '@') {
14499 if (appData.highlightLastMove) {
14500 SetHighlights(-1, -1, toX, toY);
14503 fromX = moveList[target - 1][0] - AAA;
14504 fromY = moveList[target - 1][1] - ONE;
14505 if (target == currentMove + 1) {
14506 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14508 if (appData.highlightLastMove) {
14509 SetHighlights(fromX, fromY, toX, toY);
14513 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14514 gameMode == Training || gameMode == PlayFromGameFile ||
14515 gameMode == AnalyzeFile) {
14516 while (currentMove < target) {
14517 SendMoveToProgram(currentMove++, &first);
14520 currentMove = target;
14523 if (gameMode == EditGame || gameMode == EndOfGame) {
14524 whiteTimeRemaining = timeRemaining[0][currentMove];
14525 blackTimeRemaining = timeRemaining[1][currentMove];
14527 DisplayBothClocks();
14528 DisplayMove(currentMove - 1);
14529 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14530 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14531 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14532 DisplayComment(currentMove - 1, commentList[currentMove]);
14534 ClearMap(); // [HGM] exclude: invalidate map
14541 if (gameMode == IcsExamining && !pausing) {
14542 SendToICS(ics_prefix);
14543 SendToICS("forward\n");
14545 ForwardInner(currentMove + 1);
14552 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14553 /* to optimze, we temporarily turn off analysis mode while we feed
14554 * the remaining moves to the engine. Otherwise we get analysis output
14557 if (first.analysisSupport) {
14558 SendToProgram("exit\nforce\n", &first);
14559 first.analyzing = FALSE;
14563 if (gameMode == IcsExamining && !pausing) {
14564 SendToICS(ics_prefix);
14565 SendToICS("forward 999999\n");
14567 ForwardInner(forwardMostMove);
14570 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14571 /* we have fed all the moves, so reactivate analysis mode */
14572 SendToProgram("analyze\n", &first);
14573 first.analyzing = TRUE;
14574 /*first.maybeThinking = TRUE;*/
14575 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14580 BackwardInner (int target)
14582 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14584 if (appData.debugMode)
14585 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14586 target, currentMove, forwardMostMove);
14588 if (gameMode == EditPosition) return;
14589 seekGraphUp = FALSE;
14590 MarkTargetSquares(1);
14591 if (currentMove <= backwardMostMove) {
14593 DrawPosition(full_redraw, boards[currentMove]);
14596 if (gameMode == PlayFromGameFile && !pausing)
14599 if (moveList[target][0]) {
14600 int fromX, fromY, toX, toY;
14601 toX = moveList[target][2] - AAA;
14602 toY = moveList[target][3] - ONE;
14603 if (moveList[target][1] == '@') {
14604 if (appData.highlightLastMove) {
14605 SetHighlights(-1, -1, toX, toY);
14608 fromX = moveList[target][0] - AAA;
14609 fromY = moveList[target][1] - ONE;
14610 if (target == currentMove - 1) {
14611 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14613 if (appData.highlightLastMove) {
14614 SetHighlights(fromX, fromY, toX, toY);
14618 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14619 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14620 while (currentMove > target) {
14621 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14622 // null move cannot be undone. Reload program with move history before it.
14624 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14625 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14627 SendBoard(&first, i);
14628 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14631 SendToProgram("undo\n", &first);
14635 currentMove = target;
14638 if (gameMode == EditGame || gameMode == EndOfGame) {
14639 whiteTimeRemaining = timeRemaining[0][currentMove];
14640 blackTimeRemaining = timeRemaining[1][currentMove];
14642 DisplayBothClocks();
14643 DisplayMove(currentMove - 1);
14644 DrawPosition(full_redraw, boards[currentMove]);
14645 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14646 // [HGM] PV info: routine tests if comment empty
14647 DisplayComment(currentMove - 1, commentList[currentMove]);
14648 ClearMap(); // [HGM] exclude: invalidate map
14654 if (gameMode == IcsExamining && !pausing) {
14655 SendToICS(ics_prefix);
14656 SendToICS("backward\n");
14658 BackwardInner(currentMove - 1);
14665 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14666 /* to optimize, we temporarily turn off analysis mode while we undo
14667 * all the moves. Otherwise we get analysis output after each undo.
14669 if (first.analysisSupport) {
14670 SendToProgram("exit\nforce\n", &first);
14671 first.analyzing = FALSE;
14675 if (gameMode == IcsExamining && !pausing) {
14676 SendToICS(ics_prefix);
14677 SendToICS("backward 999999\n");
14679 BackwardInner(backwardMostMove);
14682 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14683 /* we have fed all the moves, so reactivate analysis mode */
14684 SendToProgram("analyze\n", &first);
14685 first.analyzing = TRUE;
14686 /*first.maybeThinking = TRUE;*/
14687 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14694 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14695 if (to >= forwardMostMove) to = forwardMostMove;
14696 if (to <= backwardMostMove) to = backwardMostMove;
14697 if (to < currentMove) {
14705 RevertEvent (Boolean annotate)
14707 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14710 if (gameMode != IcsExamining) {
14711 DisplayError(_("You are not examining a game"), 0);
14715 DisplayError(_("You can't revert while pausing"), 0);
14718 SendToICS(ics_prefix);
14719 SendToICS("revert\n");
14723 RetractMoveEvent ()
14725 switch (gameMode) {
14726 case MachinePlaysWhite:
14727 case MachinePlaysBlack:
14728 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14729 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14732 if (forwardMostMove < 2) return;
14733 currentMove = forwardMostMove = forwardMostMove - 2;
14734 whiteTimeRemaining = timeRemaining[0][currentMove];
14735 blackTimeRemaining = timeRemaining[1][currentMove];
14736 DisplayBothClocks();
14737 DisplayMove(currentMove - 1);
14738 ClearHighlights();/*!! could figure this out*/
14739 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14740 SendToProgram("remove\n", &first);
14741 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14744 case BeginningOfGame:
14748 case IcsPlayingWhite:
14749 case IcsPlayingBlack:
14750 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14751 SendToICS(ics_prefix);
14752 SendToICS("takeback 2\n");
14754 SendToICS(ics_prefix);
14755 SendToICS("takeback 1\n");
14764 ChessProgramState *cps;
14766 switch (gameMode) {
14767 case MachinePlaysWhite:
14768 if (!WhiteOnMove(forwardMostMove)) {
14769 DisplayError(_("It is your turn"), 0);
14774 case MachinePlaysBlack:
14775 if (WhiteOnMove(forwardMostMove)) {
14776 DisplayError(_("It is your turn"), 0);
14781 case TwoMachinesPlay:
14782 if (WhiteOnMove(forwardMostMove) ==
14783 (first.twoMachinesColor[0] == 'w')) {
14789 case BeginningOfGame:
14793 SendToProgram("?\n", cps);
14797 TruncateGameEvent ()
14800 if (gameMode != EditGame) return;
14807 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14808 if (forwardMostMove > currentMove) {
14809 if (gameInfo.resultDetails != NULL) {
14810 free(gameInfo.resultDetails);
14811 gameInfo.resultDetails = NULL;
14812 gameInfo.result = GameUnfinished;
14814 forwardMostMove = currentMove;
14815 HistorySet(parseList, backwardMostMove, forwardMostMove,
14823 if (appData.noChessProgram) return;
14824 switch (gameMode) {
14825 case MachinePlaysWhite:
14826 if (WhiteOnMove(forwardMostMove)) {
14827 DisplayError(_("Wait until your turn"), 0);
14831 case BeginningOfGame:
14832 case MachinePlaysBlack:
14833 if (!WhiteOnMove(forwardMostMove)) {
14834 DisplayError(_("Wait until your turn"), 0);
14839 DisplayError(_("No hint available"), 0);
14842 SendToProgram("hint\n", &first);
14843 hintRequested = TRUE;
14849 if (appData.noChessProgram) return;
14850 switch (gameMode) {
14851 case MachinePlaysWhite:
14852 if (WhiteOnMove(forwardMostMove)) {
14853 DisplayError(_("Wait until your turn"), 0);
14857 case BeginningOfGame:
14858 case MachinePlaysBlack:
14859 if (!WhiteOnMove(forwardMostMove)) {
14860 DisplayError(_("Wait until your turn"), 0);
14865 EditPositionDone(TRUE);
14867 case TwoMachinesPlay:
14872 SendToProgram("bk\n", &first);
14873 bookOutput[0] = NULLCHAR;
14874 bookRequested = TRUE;
14880 char *tags = PGNTags(&gameInfo);
14881 TagsPopUp(tags, CmailMsg());
14885 /* end button procedures */
14888 PrintPosition (FILE *fp, int move)
14892 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14893 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14894 char c = PieceToChar(boards[move][i][j]);
14895 fputc(c == 'x' ? '.' : c, fp);
14896 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14899 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14900 fprintf(fp, "white to play\n");
14902 fprintf(fp, "black to play\n");
14906 PrintOpponents (FILE *fp)
14908 if (gameInfo.white != NULL) {
14909 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14915 /* Find last component of program's own name, using some heuristics */
14917 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14920 int local = (strcmp(host, "localhost") == 0);
14921 while (!local && (p = strchr(prog, ';')) != NULL) {
14923 while (*p == ' ') p++;
14926 if (*prog == '"' || *prog == '\'') {
14927 q = strchr(prog + 1, *prog);
14929 q = strchr(prog, ' ');
14931 if (q == NULL) q = prog + strlen(prog);
14933 while (p >= prog && *p != '/' && *p != '\\') p--;
14935 if(p == prog && *p == '"') p++;
14937 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14938 memcpy(buf, p, q - p);
14939 buf[q - p] = NULLCHAR;
14947 TimeControlTagValue ()
14950 if (!appData.clockMode) {
14951 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14952 } else if (movesPerSession > 0) {
14953 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14954 } else if (timeIncrement == 0) {
14955 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14957 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14959 return StrSave(buf);
14965 /* This routine is used only for certain modes */
14966 VariantClass v = gameInfo.variant;
14967 ChessMove r = GameUnfinished;
14970 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14971 r = gameInfo.result;
14972 p = gameInfo.resultDetails;
14973 gameInfo.resultDetails = NULL;
14975 ClearGameInfo(&gameInfo);
14976 gameInfo.variant = v;
14978 switch (gameMode) {
14979 case MachinePlaysWhite:
14980 gameInfo.event = StrSave( appData.pgnEventHeader );
14981 gameInfo.site = StrSave(HostName());
14982 gameInfo.date = PGNDate();
14983 gameInfo.round = StrSave("-");
14984 gameInfo.white = StrSave(first.tidy);
14985 gameInfo.black = StrSave(UserName());
14986 gameInfo.timeControl = TimeControlTagValue();
14989 case MachinePlaysBlack:
14990 gameInfo.event = StrSave( appData.pgnEventHeader );
14991 gameInfo.site = StrSave(HostName());
14992 gameInfo.date = PGNDate();
14993 gameInfo.round = StrSave("-");
14994 gameInfo.white = StrSave(UserName());
14995 gameInfo.black = StrSave(first.tidy);
14996 gameInfo.timeControl = TimeControlTagValue();
14999 case TwoMachinesPlay:
15000 gameInfo.event = StrSave( appData.pgnEventHeader );
15001 gameInfo.site = StrSave(HostName());
15002 gameInfo.date = PGNDate();
15005 snprintf(buf, MSG_SIZ, "%d", roundNr);
15006 gameInfo.round = StrSave(buf);
15008 gameInfo.round = StrSave("-");
15010 if (first.twoMachinesColor[0] == 'w') {
15011 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15012 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15014 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
15015 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
15017 gameInfo.timeControl = TimeControlTagValue();
15021 gameInfo.event = StrSave("Edited game");
15022 gameInfo.site = StrSave(HostName());
15023 gameInfo.date = PGNDate();
15024 gameInfo.round = StrSave("-");
15025 gameInfo.white = StrSave("-");
15026 gameInfo.black = StrSave("-");
15027 gameInfo.result = r;
15028 gameInfo.resultDetails = p;
15032 gameInfo.event = StrSave("Edited position");
15033 gameInfo.site = StrSave(HostName());
15034 gameInfo.date = PGNDate();
15035 gameInfo.round = StrSave("-");
15036 gameInfo.white = StrSave("-");
15037 gameInfo.black = StrSave("-");
15040 case IcsPlayingWhite:
15041 case IcsPlayingBlack:
15046 case PlayFromGameFile:
15047 gameInfo.event = StrSave("Game from non-PGN file");
15048 gameInfo.site = StrSave(HostName());
15049 gameInfo.date = PGNDate();
15050 gameInfo.round = StrSave("-");
15051 gameInfo.white = StrSave("?");
15052 gameInfo.black = StrSave("?");
15061 ReplaceComment (int index, char *text)
15067 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
15068 pvInfoList[index-1].depth == len &&
15069 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
15070 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
15071 while (*text == '\n') text++;
15072 len = strlen(text);
15073 while (len > 0 && text[len - 1] == '\n') len--;
15075 if (commentList[index] != NULL)
15076 free(commentList[index]);
15079 commentList[index] = NULL;
15082 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
15083 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
15084 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
15085 commentList[index] = (char *) malloc(len + 2);
15086 strncpy(commentList[index], text, len);
15087 commentList[index][len] = '\n';
15088 commentList[index][len + 1] = NULLCHAR;
15090 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
15092 commentList[index] = (char *) malloc(len + 7);
15093 safeStrCpy(commentList[index], "{\n", 3);
15094 safeStrCpy(commentList[index]+2, text, len+1);
15095 commentList[index][len+2] = NULLCHAR;
15096 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
15097 strcat(commentList[index], "\n}\n");
15102 CrushCRs (char *text)
15110 if (ch == '\r') continue;
15112 } while (ch != '\0');
15116 AppendComment (int index, char *text, Boolean addBraces)
15117 /* addBraces tells if we should add {} */
15122 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
15123 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
15126 while (*text == '\n') text++;
15127 len = strlen(text);
15128 while (len > 0 && text[len - 1] == '\n') len--;
15129 text[len] = NULLCHAR;
15131 if (len == 0) return;
15133 if (commentList[index] != NULL) {
15134 Boolean addClosingBrace = addBraces;
15135 old = commentList[index];
15136 oldlen = strlen(old);
15137 while(commentList[index][oldlen-1] == '\n')
15138 commentList[index][--oldlen] = NULLCHAR;
15139 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
15140 safeStrCpy(commentList[index], old, oldlen + len + 6);
15142 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
15143 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
15144 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
15145 while (*text == '\n') { text++; len--; }
15146 commentList[index][--oldlen] = NULLCHAR;
15148 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
15149 else strcat(commentList[index], "\n");
15150 strcat(commentList[index], text);
15151 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
15152 else strcat(commentList[index], "\n");
15154 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
15156 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
15157 else commentList[index][0] = NULLCHAR;
15158 strcat(commentList[index], text);
15159 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
15160 if(addBraces == TRUE) strcat(commentList[index], "}\n");
15165 FindStr (char * text, char * sub_text)
15167 char * result = strstr( text, sub_text );
15169 if( result != NULL ) {
15170 result += strlen( sub_text );
15176 /* [AS] Try to extract PV info from PGN comment */
15177 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
15179 GetInfoFromComment (int index, char * text)
15181 char * sep = text, *p;
15183 if( text != NULL && index > 0 ) {
15186 int time = -1, sec = 0, deci;
15187 char * s_eval = FindStr( text, "[%eval " );
15188 char * s_emt = FindStr( text, "[%emt " );
15190 if( s_eval != NULL || s_emt != NULL ) {
15194 if( s_eval != NULL ) {
15195 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15199 if( delim != ']' ) {
15204 if( s_emt != NULL ) {
15209 /* We expect something like: [+|-]nnn.nn/dd */
15212 if(*text != '{') return text; // [HGM] braces: must be normal comment
15214 sep = strchr( text, '/' );
15215 if( sep == NULL || sep < (text+4) ) {
15220 if(p[1] == '(') { // comment starts with PV
15221 p = strchr(p, ')'); // locate end of PV
15222 if(p == NULL || sep < p+5) return text;
15223 // at this point we have something like "{(.*) +0.23/6 ..."
15224 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15225 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15226 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15228 time = -1; sec = -1; deci = -1;
15229 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15230 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15231 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15232 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15236 if( score_lo < 0 || score_lo >= 100 ) {
15240 if(sec >= 0) time = 600*time + 10*sec; else
15241 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15243 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15245 /* [HGM] PV time: now locate end of PV info */
15246 while( *++sep >= '0' && *sep <= '9'); // strip depth
15248 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15250 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15252 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15253 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15264 pvInfoList[index-1].depth = depth;
15265 pvInfoList[index-1].score = score;
15266 pvInfoList[index-1].time = 10*time; // centi-sec
15267 if(*sep == '}') *sep = 0; else *--sep = '{';
15268 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15274 SendToProgram (char *message, ChessProgramState *cps)
15276 int count, outCount, error;
15279 if (cps->pr == NoProc) return;
15282 if (appData.debugMode) {
15285 fprintf(debugFP, "%ld >%-6s: %s",
15286 SubtractTimeMarks(&now, &programStartTime),
15287 cps->which, message);
15289 fprintf(serverFP, "%ld >%-6s: %s",
15290 SubtractTimeMarks(&now, &programStartTime),
15291 cps->which, message), fflush(serverFP);
15294 count = strlen(message);
15295 outCount = OutputToProcess(cps->pr, message, count, &error);
15296 if (outCount < count && !exiting
15297 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15298 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15299 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15300 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15301 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15302 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15303 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15304 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15306 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15307 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15308 gameInfo.result = res;
15310 gameInfo.resultDetails = StrSave(buf);
15312 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15313 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15318 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15322 ChessProgramState *cps = (ChessProgramState *)closure;
15324 if (isr != cps->isr) return; /* Killed intentionally */
15327 RemoveInputSource(cps->isr);
15328 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15329 _(cps->which), cps->program);
15330 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
15331 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15332 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15333 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15334 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15335 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15337 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15338 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15339 gameInfo.result = res;
15341 gameInfo.resultDetails = StrSave(buf);
15343 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15344 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15346 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15347 _(cps->which), cps->program);
15348 RemoveInputSource(cps->isr);
15350 /* [AS] Program is misbehaving badly... kill it */
15351 if( count == -2 ) {
15352 DestroyChildProcess( cps->pr, 9 );
15356 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15361 if ((end_str = strchr(message, '\r')) != NULL)
15362 *end_str = NULLCHAR;
15363 if ((end_str = strchr(message, '\n')) != NULL)
15364 *end_str = NULLCHAR;
15366 if (appData.debugMode) {
15367 TimeMark now; int print = 1;
15368 char *quote = ""; char c; int i;
15370 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15371 char start = message[0];
15372 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15373 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15374 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15375 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15376 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15377 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15378 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15379 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15380 sscanf(message, "hint: %c", &c)!=1 &&
15381 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15382 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15383 print = (appData.engineComments >= 2);
15385 message[0] = start; // restore original message
15389 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15390 SubtractTimeMarks(&now, &programStartTime), cps->which,
15394 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15395 SubtractTimeMarks(&now, &programStartTime), cps->which,
15397 message), fflush(serverFP);
15401 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15402 if (appData.icsEngineAnalyze) {
15403 if (strstr(message, "whisper") != NULL ||
15404 strstr(message, "kibitz") != NULL ||
15405 strstr(message, "tellics") != NULL) return;
15408 HandleMachineMove(message, cps);
15413 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15418 if( timeControl_2 > 0 ) {
15419 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15420 tc = timeControl_2;
15423 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15424 inc /= cps->timeOdds;
15425 st /= cps->timeOdds;
15427 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15430 /* Set exact time per move, normally using st command */
15431 if (cps->stKludge) {
15432 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15434 if (seconds == 0) {
15435 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15437 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15440 snprintf(buf, MSG_SIZ, "st %d\n", st);
15443 /* Set conventional or incremental time control, using level command */
15444 if (seconds == 0) {
15445 /* Note old gnuchess bug -- minutes:seconds used to not work.
15446 Fixed in later versions, but still avoid :seconds
15447 when seconds is 0. */
15448 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15450 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15451 seconds, inc/1000.);
15454 SendToProgram(buf, cps);
15456 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15457 /* Orthogonally, limit search to given depth */
15459 if (cps->sdKludge) {
15460 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15462 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15464 SendToProgram(buf, cps);
15467 if(cps->nps >= 0) { /* [HGM] nps */
15468 if(cps->supportsNPS == FALSE)
15469 cps->nps = -1; // don't use if engine explicitly says not supported!
15471 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15472 SendToProgram(buf, cps);
15477 ChessProgramState *
15479 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15481 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15482 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15488 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15490 char message[MSG_SIZ];
15493 /* Note: this routine must be called when the clocks are stopped
15494 or when they have *just* been set or switched; otherwise
15495 it will be off by the time since the current tick started.
15497 if (machineWhite) {
15498 time = whiteTimeRemaining / 10;
15499 otime = blackTimeRemaining / 10;
15501 time = blackTimeRemaining / 10;
15502 otime = whiteTimeRemaining / 10;
15504 /* [HGM] translate opponent's time by time-odds factor */
15505 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15507 if (time <= 0) time = 1;
15508 if (otime <= 0) otime = 1;
15510 snprintf(message, MSG_SIZ, "time %ld\n", time);
15511 SendToProgram(message, cps);
15513 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15514 SendToProgram(message, cps);
15518 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15521 int len = strlen(name);
15524 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15526 sscanf(*p, "%d", &val);
15528 while (**p && **p != ' ')
15530 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15531 SendToProgram(buf, cps);
15538 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15541 int len = strlen(name);
15542 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15544 sscanf(*p, "%d", loc);
15545 while (**p && **p != ' ') (*p)++;
15546 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15547 SendToProgram(buf, cps);
15554 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15557 int len = strlen(name);
15558 if (strncmp((*p), name, len) == 0
15559 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15561 sscanf(*p, "%[^\"]", loc);
15562 while (**p && **p != '\"') (*p)++;
15563 if (**p == '\"') (*p)++;
15564 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15565 SendToProgram(buf, cps);
15572 ParseOption (Option *opt, ChessProgramState *cps)
15573 // [HGM] options: process the string that defines an engine option, and determine
15574 // name, type, default value, and allowed value range
15576 char *p, *q, buf[MSG_SIZ];
15577 int n, min = (-1)<<31, max = 1<<31, def;
15579 if(p = strstr(opt->name, " -spin ")) {
15580 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15581 if(max < min) max = min; // enforce consistency
15582 if(def < min) def = min;
15583 if(def > max) def = max;
15588 } else if((p = strstr(opt->name, " -slider "))) {
15589 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15590 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15591 if(max < min) max = min; // enforce consistency
15592 if(def < min) def = min;
15593 if(def > max) def = max;
15597 opt->type = Spin; // Slider;
15598 } else if((p = strstr(opt->name, " -string "))) {
15599 opt->textValue = p+9;
15600 opt->type = TextBox;
15601 } else if((p = strstr(opt->name, " -file "))) {
15602 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15603 opt->textValue = p+7;
15604 opt->type = FileName; // FileName;
15605 } else if((p = strstr(opt->name, " -path "))) {
15606 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15607 opt->textValue = p+7;
15608 opt->type = PathName; // PathName;
15609 } else if(p = strstr(opt->name, " -check ")) {
15610 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15611 opt->value = (def != 0);
15612 opt->type = CheckBox;
15613 } else if(p = strstr(opt->name, " -combo ")) {
15614 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
15615 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15616 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15617 opt->value = n = 0;
15618 while(q = StrStr(q, " /// ")) {
15619 n++; *q = 0; // count choices, and null-terminate each of them
15621 if(*q == '*') { // remember default, which is marked with * prefix
15625 cps->comboList[cps->comboCnt++] = q;
15627 cps->comboList[cps->comboCnt++] = NULL;
15629 opt->type = ComboBox;
15630 } else if(p = strstr(opt->name, " -button")) {
15631 opt->type = Button;
15632 } else if(p = strstr(opt->name, " -save")) {
15633 opt->type = SaveButton;
15634 } else return FALSE;
15635 *p = 0; // terminate option name
15636 // now look if the command-line options define a setting for this engine option.
15637 if(cps->optionSettings && cps->optionSettings[0])
15638 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15639 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15640 snprintf(buf, MSG_SIZ, "option %s", p);
15641 if(p = strstr(buf, ",")) *p = 0;
15642 if(q = strchr(buf, '=')) switch(opt->type) {
15644 for(n=0; n<opt->max; n++)
15645 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15648 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15652 opt->value = atoi(q+1);
15657 SendToProgram(buf, cps);
15663 FeatureDone (ChessProgramState *cps, int val)
15665 DelayedEventCallback cb = GetDelayedEvent();
15666 if ((cb == InitBackEnd3 && cps == &first) ||
15667 (cb == SettingsMenuIfReady && cps == &second) ||
15668 (cb == LoadEngine) ||
15669 (cb == TwoMachinesEventIfReady)) {
15670 CancelDelayedEvent();
15671 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15673 cps->initDone = val;
15676 /* Parse feature command from engine */
15678 ParseFeatures (char *args, ChessProgramState *cps)
15686 while (*p == ' ') p++;
15687 if (*p == NULLCHAR) return;
15689 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15690 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15691 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15692 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15693 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15694 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15695 if (BoolFeature(&p, "reuse", &val, cps)) {
15696 /* Engine can disable reuse, but can't enable it if user said no */
15697 if (!val) cps->reuse = FALSE;
15700 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15701 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15702 if (gameMode == TwoMachinesPlay) {
15703 DisplayTwoMachinesTitle();
15709 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15710 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15711 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15712 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15713 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15714 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15715 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15716 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15717 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15718 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15719 if (IntFeature(&p, "done", &val, cps)) {
15720 FeatureDone(cps, val);
15723 /* Added by Tord: */
15724 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15725 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15726 /* End of additions by Tord */
15728 /* [HGM] added features: */
15729 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15730 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15731 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15732 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15733 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15734 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15735 if (StringFeature(&p, "option", buf, cps)) {
15736 FREE(cps->option[cps->nrOptions].name);
15737 cps->option[cps->nrOptions].name = malloc(MSG_SIZ);
15738 safeStrCpy(cps->option[cps->nrOptions].name, buf, MSG_SIZ);
15739 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15740 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15741 SendToProgram(buf, cps);
15744 if(cps->nrOptions >= MAX_OPTIONS) {
15746 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15747 DisplayError(buf, 0);
15751 /* End of additions by HGM */
15753 /* unknown feature: complain and skip */
15755 while (*q && *q != '=') q++;
15756 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15757 SendToProgram(buf, cps);
15763 while (*p && *p != '\"') p++;
15764 if (*p == '\"') p++;
15766 while (*p && *p != ' ') p++;
15774 PeriodicUpdatesEvent (int newState)
15776 if (newState == appData.periodicUpdates)
15779 appData.periodicUpdates=newState;
15781 /* Display type changes, so update it now */
15782 // DisplayAnalysis();
15784 /* Get the ball rolling again... */
15786 AnalysisPeriodicEvent(1);
15787 StartAnalysisClock();
15792 PonderNextMoveEvent (int newState)
15794 if (newState == appData.ponderNextMove) return;
15795 if (gameMode == EditPosition) EditPositionDone(TRUE);
15797 SendToProgram("hard\n", &first);
15798 if (gameMode == TwoMachinesPlay) {
15799 SendToProgram("hard\n", &second);
15802 SendToProgram("easy\n", &first);
15803 thinkOutput[0] = NULLCHAR;
15804 if (gameMode == TwoMachinesPlay) {
15805 SendToProgram("easy\n", &second);
15808 appData.ponderNextMove = newState;
15812 NewSettingEvent (int option, int *feature, char *command, int value)
15816 if (gameMode == EditPosition) EditPositionDone(TRUE);
15817 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15818 if(feature == NULL || *feature) SendToProgram(buf, &first);
15819 if (gameMode == TwoMachinesPlay) {
15820 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15825 ShowThinkingEvent ()
15826 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15828 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15829 int newState = appData.showThinking
15830 // [HGM] thinking: other features now need thinking output as well
15831 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15833 if (oldState == newState) return;
15834 oldState = newState;
15835 if (gameMode == EditPosition) EditPositionDone(TRUE);
15837 SendToProgram("post\n", &first);
15838 if (gameMode == TwoMachinesPlay) {
15839 SendToProgram("post\n", &second);
15842 SendToProgram("nopost\n", &first);
15843 thinkOutput[0] = NULLCHAR;
15844 if (gameMode == TwoMachinesPlay) {
15845 SendToProgram("nopost\n", &second);
15848 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15852 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15854 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15855 if (pr == NoProc) return;
15856 AskQuestion(title, question, replyPrefix, pr);
15860 TypeInEvent (char firstChar)
15862 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15863 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15864 gameMode == AnalyzeMode || gameMode == EditGame ||
15865 gameMode == EditPosition || gameMode == IcsExamining ||
15866 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15867 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15868 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15869 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15870 gameMode == Training) PopUpMoveDialog(firstChar);
15874 TypeInDoneEvent (char *move)
15877 int n, fromX, fromY, toX, toY;
15879 ChessMove moveType;
15882 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15883 EditPositionPasteFEN(move);
15886 // [HGM] movenum: allow move number to be typed in any mode
15887 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15891 // undocumented kludge: allow command-line option to be typed in!
15892 // (potentially fatal, and does not implement the effect of the option.)
15893 // should only be used for options that are values on which future decisions will be made,
15894 // and definitely not on options that would be used during initialization.
15895 if(strstr(move, "!!! -") == move) {
15896 ParseArgsFromString(move+4);
15900 if (gameMode != EditGame && currentMove != forwardMostMove &&
15901 gameMode != Training) {
15902 DisplayMoveError(_("Displayed move is not current"));
15904 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15905 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15906 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15907 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15908 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15909 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15911 DisplayMoveError(_("Could not parse move"));
15917 DisplayMove (int moveNumber)
15919 char message[MSG_SIZ];
15921 char cpThinkOutput[MSG_SIZ];
15923 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15925 if (moveNumber == forwardMostMove - 1 ||
15926 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15928 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15930 if (strchr(cpThinkOutput, '\n')) {
15931 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15934 *cpThinkOutput = NULLCHAR;
15937 /* [AS] Hide thinking from human user */
15938 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15939 *cpThinkOutput = NULLCHAR;
15940 if( thinkOutput[0] != NULLCHAR ) {
15943 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15944 cpThinkOutput[i] = '.';
15946 cpThinkOutput[i] = NULLCHAR;
15947 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15951 if (moveNumber == forwardMostMove - 1 &&
15952 gameInfo.resultDetails != NULL) {
15953 if (gameInfo.resultDetails[0] == NULLCHAR) {
15954 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15956 snprintf(res, MSG_SIZ, " {%s} %s",
15957 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15963 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15964 DisplayMessage(res, cpThinkOutput);
15966 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15967 WhiteOnMove(moveNumber) ? " " : ".. ",
15968 parseList[moveNumber], res);
15969 DisplayMessage(message, cpThinkOutput);
15974 DisplayComment (int moveNumber, char *text)
15976 char title[MSG_SIZ];
15978 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15979 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15981 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15982 WhiteOnMove(moveNumber) ? " " : ".. ",
15983 parseList[moveNumber]);
15985 if (text != NULL && (appData.autoDisplayComment || commentUp))
15986 CommentPopUp(title, text);
15989 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15990 * might be busy thinking or pondering. It can be omitted if your
15991 * gnuchess is configured to stop thinking immediately on any user
15992 * input. However, that gnuchess feature depends on the FIONREAD
15993 * ioctl, which does not work properly on some flavors of Unix.
15996 Attention (ChessProgramState *cps)
15999 if (!cps->useSigint) return;
16000 if (appData.noChessProgram || (cps->pr == NoProc)) return;
16001 switch (gameMode) {
16002 case MachinePlaysWhite:
16003 case MachinePlaysBlack:
16004 case TwoMachinesPlay:
16005 case IcsPlayingWhite:
16006 case IcsPlayingBlack:
16009 /* Skip if we know it isn't thinking */
16010 if (!cps->maybeThinking) return;
16011 if (appData.debugMode)
16012 fprintf(debugFP, "Interrupting %s\n", cps->which);
16013 InterruptChildProcess(cps->pr);
16014 cps->maybeThinking = FALSE;
16019 #endif /*ATTENTION*/
16025 if (whiteTimeRemaining <= 0) {
16028 if (appData.icsActive) {
16029 if (appData.autoCallFlag &&
16030 gameMode == IcsPlayingBlack && !blackFlag) {
16031 SendToICS(ics_prefix);
16032 SendToICS("flag\n");
16036 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16038 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
16039 if (appData.autoCallFlag) {
16040 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
16047 if (blackTimeRemaining <= 0) {
16050 if (appData.icsActive) {
16051 if (appData.autoCallFlag &&
16052 gameMode == IcsPlayingWhite && !whiteFlag) {
16053 SendToICS(ics_prefix);
16054 SendToICS("flag\n");
16058 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
16060 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
16061 if (appData.autoCallFlag) {
16062 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
16073 CheckTimeControl ()
16075 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
16076 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
16079 * add time to clocks when time control is achieved ([HGM] now also used for increment)
16081 if ( !WhiteOnMove(forwardMostMove) ) {
16082 /* White made time control */
16083 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
16084 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
16085 /* [HGM] time odds: correct new time quota for time odds! */
16086 / WhitePlayer()->timeOdds;
16087 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
16089 lastBlack -= blackTimeRemaining;
16090 /* Black made time control */
16091 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
16092 / WhitePlayer()->other->timeOdds;
16093 lastWhite = whiteTimeRemaining;
16098 DisplayBothClocks ()
16100 int wom = gameMode == EditPosition ?
16101 !blackPlaysFirst : WhiteOnMove(currentMove);
16102 DisplayWhiteClock(whiteTimeRemaining, wom);
16103 DisplayBlackClock(blackTimeRemaining, !wom);
16107 /* Timekeeping seems to be a portability nightmare. I think everyone
16108 has ftime(), but I'm really not sure, so I'm including some ifdefs
16109 to use other calls if you don't. Clocks will be less accurate if
16110 you have neither ftime nor gettimeofday.
16113 /* VS 2008 requires the #include outside of the function */
16114 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
16115 #include <sys/timeb.h>
16118 /* Get the current time as a TimeMark */
16120 GetTimeMark (TimeMark *tm)
16122 #if HAVE_GETTIMEOFDAY
16124 struct timeval timeVal;
16125 struct timezone timeZone;
16127 gettimeofday(&timeVal, &timeZone);
16128 tm->sec = (long) timeVal.tv_sec;
16129 tm->ms = (int) (timeVal.tv_usec / 1000L);
16131 #else /*!HAVE_GETTIMEOFDAY*/
16134 // include <sys/timeb.h> / moved to just above start of function
16135 struct timeb timeB;
16138 tm->sec = (long) timeB.time;
16139 tm->ms = (int) timeB.millitm;
16141 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
16142 tm->sec = (long) time(NULL);
16148 /* Return the difference in milliseconds between two
16149 time marks. We assume the difference will fit in a long!
16152 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
16154 return 1000L*(tm2->sec - tm1->sec) +
16155 (long) (tm2->ms - tm1->ms);
16160 * Code to manage the game clocks.
16162 * In tournament play, black starts the clock and then white makes a move.
16163 * We give the human user a slight advantage if he is playing white---the
16164 * clocks don't run until he makes his first move, so it takes zero time.
16165 * Also, we don't account for network lag, so we could get out of sync
16166 * with GNU Chess's clock -- but then, referees are always right.
16169 static TimeMark tickStartTM;
16170 static long intendedTickLength;
16173 NextTickLength (long timeRemaining)
16175 long nominalTickLength, nextTickLength;
16177 if (timeRemaining > 0L && timeRemaining <= 10000L)
16178 nominalTickLength = 100L;
16180 nominalTickLength = 1000L;
16181 nextTickLength = timeRemaining % nominalTickLength;
16182 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
16184 return nextTickLength;
16187 /* Adjust clock one minute up or down */
16189 AdjustClock (Boolean which, int dir)
16191 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16192 if(which) blackTimeRemaining += 60000*dir;
16193 else whiteTimeRemaining += 60000*dir;
16194 DisplayBothClocks();
16195 adjustedClock = TRUE;
16198 /* Stop clocks and reset to a fresh time control */
16202 (void) StopClockTimer();
16203 if (appData.icsActive) {
16204 whiteTimeRemaining = blackTimeRemaining = 0;
16205 } else if (searchTime) {
16206 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16207 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16208 } else { /* [HGM] correct new time quote for time odds */
16209 whiteTC = blackTC = fullTimeControlString;
16210 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16211 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16213 if (whiteFlag || blackFlag) {
16215 whiteFlag = blackFlag = FALSE;
16217 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16218 DisplayBothClocks();
16219 adjustedClock = FALSE;
16222 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16224 /* Decrement running clock by amount of time that has passed */
16228 long timeRemaining;
16229 long lastTickLength, fudge;
16232 if (!appData.clockMode) return;
16233 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16237 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16239 /* Fudge if we woke up a little too soon */
16240 fudge = intendedTickLength - lastTickLength;
16241 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16243 if (WhiteOnMove(forwardMostMove)) {
16244 if(whiteNPS >= 0) lastTickLength = 0;
16245 timeRemaining = whiteTimeRemaining -= lastTickLength;
16246 if(timeRemaining < 0 && !appData.icsActive) {
16247 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16248 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16249 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16250 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16253 DisplayWhiteClock(whiteTimeRemaining - fudge,
16254 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16256 if(blackNPS >= 0) lastTickLength = 0;
16257 timeRemaining = blackTimeRemaining -= lastTickLength;
16258 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16259 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16261 blackStartMove = forwardMostMove;
16262 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16265 DisplayBlackClock(blackTimeRemaining - fudge,
16266 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16268 if (CheckFlags()) return;
16270 if(twoBoards) { // count down secondary board's clocks as well
16271 activePartnerTime -= lastTickLength;
16273 if(activePartner == 'W')
16274 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
16276 DisplayBlackClock(activePartnerTime, TRUE);
16281 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16282 StartClockTimer(intendedTickLength);
16284 /* if the time remaining has fallen below the alarm threshold, sound the
16285 * alarm. if the alarm has sounded and (due to a takeback or time control
16286 * with increment) the time remaining has increased to a level above the
16287 * threshold, reset the alarm so it can sound again.
16290 if (appData.icsActive && appData.icsAlarm) {
16292 /* make sure we are dealing with the user's clock */
16293 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16294 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16297 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16298 alarmSounded = FALSE;
16299 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16301 alarmSounded = TRUE;
16307 /* A player has just moved, so stop the previously running
16308 clock and (if in clock mode) start the other one.
16309 We redisplay both clocks in case we're in ICS mode, because
16310 ICS gives us an update to both clocks after every move.
16311 Note that this routine is called *after* forwardMostMove
16312 is updated, so the last fractional tick must be subtracted
16313 from the color that is *not* on move now.
16316 SwitchClocks (int newMoveNr)
16318 long lastTickLength;
16320 int flagged = FALSE;
16324 if (StopClockTimer() && appData.clockMode) {
16325 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16326 if (!WhiteOnMove(forwardMostMove)) {
16327 if(blackNPS >= 0) lastTickLength = 0;
16328 blackTimeRemaining -= lastTickLength;
16329 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16330 // if(pvInfoList[forwardMostMove].time == -1)
16331 pvInfoList[forwardMostMove].time = // use GUI time
16332 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16334 if(whiteNPS >= 0) lastTickLength = 0;
16335 whiteTimeRemaining -= lastTickLength;
16336 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16337 // if(pvInfoList[forwardMostMove].time == -1)
16338 pvInfoList[forwardMostMove].time =
16339 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16341 flagged = CheckFlags();
16343 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16344 CheckTimeControl();
16346 if (flagged || !appData.clockMode) return;
16348 switch (gameMode) {
16349 case MachinePlaysBlack:
16350 case MachinePlaysWhite:
16351 case BeginningOfGame:
16352 if (pausing) return;
16356 case PlayFromGameFile:
16364 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16365 if(WhiteOnMove(forwardMostMove))
16366 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16367 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16371 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16372 whiteTimeRemaining : blackTimeRemaining);
16373 StartClockTimer(intendedTickLength);
16377 /* Stop both clocks */
16381 long lastTickLength;
16384 if (!StopClockTimer()) return;
16385 if (!appData.clockMode) return;
16389 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16390 if (WhiteOnMove(forwardMostMove)) {
16391 if(whiteNPS >= 0) lastTickLength = 0;
16392 whiteTimeRemaining -= lastTickLength;
16393 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16395 if(blackNPS >= 0) lastTickLength = 0;
16396 blackTimeRemaining -= lastTickLength;
16397 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16402 /* Start clock of player on move. Time may have been reset, so
16403 if clock is already running, stop and restart it. */
16407 (void) StopClockTimer(); /* in case it was running already */
16408 DisplayBothClocks();
16409 if (CheckFlags()) return;
16411 if (!appData.clockMode) return;
16412 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16414 GetTimeMark(&tickStartTM);
16415 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16416 whiteTimeRemaining : blackTimeRemaining);
16418 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16419 whiteNPS = blackNPS = -1;
16420 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16421 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16422 whiteNPS = first.nps;
16423 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16424 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16425 blackNPS = first.nps;
16426 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16427 whiteNPS = second.nps;
16428 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16429 blackNPS = second.nps;
16430 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16432 StartClockTimer(intendedTickLength);
16436 TimeString (long ms)
16438 long second, minute, hour, day;
16440 static char buf[32];
16442 if (ms > 0 && ms <= 9900) {
16443 /* convert milliseconds to tenths, rounding up */
16444 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16446 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16450 /* convert milliseconds to seconds, rounding up */
16451 /* use floating point to avoid strangeness of integer division
16452 with negative dividends on many machines */
16453 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16460 day = second / (60 * 60 * 24);
16461 second = second % (60 * 60 * 24);
16462 hour = second / (60 * 60);
16463 second = second % (60 * 60);
16464 minute = second / 60;
16465 second = second % 60;
16468 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16469 sign, day, hour, minute, second);
16471 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16473 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16480 * This is necessary because some C libraries aren't ANSI C compliant yet.
16483 StrStr (char *string, char *match)
16487 length = strlen(match);
16489 for (i = strlen(string) - length; i >= 0; i--, string++)
16490 if (!strncmp(match, string, length))
16497 StrCaseStr (char *string, char *match)
16501 length = strlen(match);
16503 for (i = strlen(string) - length; i >= 0; i--, string++) {
16504 for (j = 0; j < length; j++) {
16505 if (ToLower(match[j]) != ToLower(string[j]))
16508 if (j == length) return string;
16516 StrCaseCmp (char *s1, char *s2)
16521 c1 = ToLower(*s1++);
16522 c2 = ToLower(*s2++);
16523 if (c1 > c2) return 1;
16524 if (c1 < c2) return -1;
16525 if (c1 == NULLCHAR) return 0;
16533 return isupper(c) ? tolower(c) : c;
16540 return islower(c) ? toupper(c) : c;
16542 #endif /* !_amigados */
16549 if ((ret = (char *) malloc(strlen(s) + 1)))
16551 safeStrCpy(ret, s, strlen(s)+1);
16557 StrSavePtr (char *s, char **savePtr)
16562 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16563 safeStrCpy(*savePtr, s, strlen(s)+1);
16575 clock = time((time_t *)NULL);
16576 tm = localtime(&clock);
16577 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16578 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16579 return StrSave(buf);
16584 PositionToFEN (int move, char *overrideCastling)
16586 int i, j, fromX, fromY, toX, toY;
16593 whiteToPlay = (gameMode == EditPosition) ?
16594 !blackPlaysFirst : (move % 2 == 0);
16597 /* Piece placement data */
16598 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16599 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16601 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16602 if (boards[move][i][j] == EmptySquare) {
16604 } else { ChessSquare piece = boards[move][i][j];
16605 if (emptycount > 0) {
16606 if(emptycount<10) /* [HGM] can be >= 10 */
16607 *p++ = '0' + emptycount;
16608 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16611 if(PieceToChar(piece) == '+') {
16612 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16614 piece = (ChessSquare)(DEMOTED piece);
16616 *p++ = PieceToChar(piece);
16618 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16619 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16624 if (emptycount > 0) {
16625 if(emptycount<10) /* [HGM] can be >= 10 */
16626 *p++ = '0' + emptycount;
16627 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16634 /* [HGM] print Crazyhouse or Shogi holdings */
16635 if( gameInfo.holdingsWidth ) {
16636 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16638 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16639 piece = boards[move][i][BOARD_WIDTH-1];
16640 if( piece != EmptySquare )
16641 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16642 *p++ = PieceToChar(piece);
16644 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16645 piece = boards[move][BOARD_HEIGHT-i-1][0];
16646 if( piece != EmptySquare )
16647 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16648 *p++ = PieceToChar(piece);
16651 if( q == p ) *p++ = '-';
16657 *p++ = whiteToPlay ? 'w' : 'b';
16660 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16661 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16663 if(nrCastlingRights) {
16665 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16666 /* [HGM] write directly from rights */
16667 if(boards[move][CASTLING][2] != NoRights &&
16668 boards[move][CASTLING][0] != NoRights )
16669 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16670 if(boards[move][CASTLING][2] != NoRights &&
16671 boards[move][CASTLING][1] != NoRights )
16672 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16673 if(boards[move][CASTLING][5] != NoRights &&
16674 boards[move][CASTLING][3] != NoRights )
16675 *p++ = boards[move][CASTLING][3] + AAA;
16676 if(boards[move][CASTLING][5] != NoRights &&
16677 boards[move][CASTLING][4] != NoRights )
16678 *p++ = boards[move][CASTLING][4] + AAA;
16681 /* [HGM] write true castling rights */
16682 if( nrCastlingRights == 6 ) {
16684 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16685 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
16686 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
16687 boards[move][CASTLING][2] != NoRights );
16688 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
16689 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
16690 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16691 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
16692 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
16696 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16697 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
16698 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
16699 boards[move][CASTLING][5] != NoRights );
16700 if(gameInfo.variant == VariantSChess) {
16701 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
16702 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
16703 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
16704 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
16709 if (q == p) *p++ = '-'; /* No castling rights */
16713 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16714 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16715 /* En passant target square */
16716 if (move > backwardMostMove) {
16717 fromX = moveList[move - 1][0] - AAA;
16718 fromY = moveList[move - 1][1] - ONE;
16719 toX = moveList[move - 1][2] - AAA;
16720 toY = moveList[move - 1][3] - ONE;
16721 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16722 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16723 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16725 /* 2-square pawn move just happened */
16727 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16731 } else if(move == backwardMostMove) {
16732 // [HGM] perhaps we should always do it like this, and forget the above?
16733 if((signed char)boards[move][EP_STATUS] >= 0) {
16734 *p++ = boards[move][EP_STATUS] + AAA;
16735 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16746 /* [HGM] find reversible plies */
16747 { int i = 0, j=move;
16749 if (appData.debugMode) { int k;
16750 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16751 for(k=backwardMostMove; k<=forwardMostMove; k++)
16752 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16756 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16757 if( j == backwardMostMove ) i += initialRulePlies;
16758 sprintf(p, "%d ", i);
16759 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16761 /* Fullmove number */
16762 sprintf(p, "%d", (move / 2) + 1);
16764 return StrSave(buf);
16768 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16772 int emptycount, virgin[BOARD_FILES];
16777 /* [HGM] by default clear Crazyhouse holdings, if present */
16778 if(gameInfo.holdingsWidth) {
16779 for(i=0; i<BOARD_HEIGHT; i++) {
16780 board[i][0] = EmptySquare; /* black holdings */
16781 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16782 board[i][1] = (ChessSquare) 0; /* black counts */
16783 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16787 /* Piece placement data */
16788 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16791 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16792 if (*p == '/') p++;
16793 emptycount = gameInfo.boardWidth - j;
16794 while (emptycount--)
16795 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16797 #if(BOARD_FILES >= 10)
16798 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16799 p++; emptycount=10;
16800 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16801 while (emptycount--)
16802 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16804 } else if (isdigit(*p)) {
16805 emptycount = *p++ - '0';
16806 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16807 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16808 while (emptycount--)
16809 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16810 } else if (*p == '+' || isalpha(*p)) {
16811 if (j >= gameInfo.boardWidth) return FALSE;
16813 piece = CharToPiece(*++p);
16814 if(piece == EmptySquare) return FALSE; /* unknown piece */
16815 piece = (ChessSquare) (PROMOTED piece ); p++;
16816 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16817 } else piece = CharToPiece(*p++);
16819 if(piece==EmptySquare) return FALSE; /* unknown piece */
16820 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16821 piece = (ChessSquare) (PROMOTED piece);
16822 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16825 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16831 while (*p == '/' || *p == ' ') p++;
16833 /* [HGM] look for Crazyhouse holdings here */
16834 while(*p==' ') p++;
16835 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16837 if(*p == '-' ) p++; /* empty holdings */ else {
16838 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16839 /* if we would allow FEN reading to set board size, we would */
16840 /* have to add holdings and shift the board read so far here */
16841 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16843 if((int) piece >= (int) BlackPawn ) {
16844 i = (int)piece - (int)BlackPawn;
16845 i = PieceToNumber((ChessSquare)i);
16846 if( i >= gameInfo.holdingsSize ) return FALSE;
16847 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16848 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16850 i = (int)piece - (int)WhitePawn;
16851 i = PieceToNumber((ChessSquare)i);
16852 if( i >= gameInfo.holdingsSize ) return FALSE;
16853 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16854 board[i][BOARD_WIDTH-2]++; /* black holdings */
16861 while(*p == ' ') p++;
16865 if(appData.colorNickNames) {
16866 if( c == appData.colorNickNames[0] ) c = 'w'; else
16867 if( c == appData.colorNickNames[1] ) c = 'b';
16871 *blackPlaysFirst = FALSE;
16874 *blackPlaysFirst = TRUE;
16880 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16881 /* return the extra info in global variiables */
16883 /* set defaults in case FEN is incomplete */
16884 board[EP_STATUS] = EP_UNKNOWN;
16885 for(i=0; i<nrCastlingRights; i++ ) {
16886 board[CASTLING][i] =
16887 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16888 } /* assume possible unless obviously impossible */
16889 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16890 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16891 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16892 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16893 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16894 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16895 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16896 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16899 while(*p==' ') p++;
16900 if(nrCastlingRights) {
16901 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
16902 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
16903 /* castling indicator present, so default becomes no castlings */
16904 for(i=0; i<nrCastlingRights; i++ ) {
16905 board[CASTLING][i] = NoRights;
16908 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16909 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess) &&
16910 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16911 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16912 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
16914 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16915 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16916 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16918 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16919 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16920 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16921 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16922 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16923 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16926 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16927 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16928 board[CASTLING][2] = whiteKingFile;
16929 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
16930 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
16933 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16934 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16935 board[CASTLING][2] = whiteKingFile;
16936 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
16937 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
16940 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16941 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16942 board[CASTLING][5] = blackKingFile;
16943 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
16944 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
16947 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16948 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16949 board[CASTLING][5] = blackKingFile;
16950 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
16951 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
16954 default: /* FRC castlings */
16955 if(c >= 'a') { /* black rights */
16956 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
16957 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16958 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16959 if(i == BOARD_RGHT) break;
16960 board[CASTLING][5] = i;
16962 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16963 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16965 board[CASTLING][3] = c;
16967 board[CASTLING][4] = c;
16968 } else { /* white rights */
16969 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
16970 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16971 if(board[0][i] == WhiteKing) break;
16972 if(i == BOARD_RGHT) break;
16973 board[CASTLING][2] = i;
16974 c -= AAA - 'a' + 'A';
16975 if(board[0][c] >= WhiteKing) break;
16977 board[CASTLING][0] = c;
16979 board[CASTLING][1] = c;
16983 for(i=0; i<nrCastlingRights; i++)
16984 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16985 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = virgin[i];
16986 if (appData.debugMode) {
16987 fprintf(debugFP, "FEN castling rights:");
16988 for(i=0; i<nrCastlingRights; i++)
16989 fprintf(debugFP, " %d", board[CASTLING][i]);
16990 fprintf(debugFP, "\n");
16993 while(*p==' ') p++;
16996 /* read e.p. field in games that know e.p. capture */
16997 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16998 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
17000 p++; board[EP_STATUS] = EP_NONE;
17002 char c = *p++ - AAA;
17004 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
17005 if(*p >= '0' && *p <='9') p++;
17006 board[EP_STATUS] = c;
17011 if(sscanf(p, "%d", &i) == 1) {
17012 FENrulePlies = i; /* 50-move ply counter */
17013 /* (The move number is still ignored) */
17020 EditPositionPasteFEN (char *fen)
17023 Board initial_position;
17025 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
17026 DisplayError(_("Bad FEN position in clipboard"), 0);
17029 int savedBlackPlaysFirst = blackPlaysFirst;
17030 EditPositionEvent();
17031 blackPlaysFirst = savedBlackPlaysFirst;
17032 CopyBoard(boards[0], initial_position);
17033 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
17034 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
17035 DisplayBothClocks();
17036 DrawPosition(FALSE, boards[currentMove]);
17041 static char cseq[12] = "\\ ";
17044 set_cont_sequence (char *new_seq)
17049 // handle bad attempts to set the sequence
17051 return 0; // acceptable error - no debug
17053 len = strlen(new_seq);
17054 ret = (len > 0) && (len < sizeof(cseq));
17056 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
17057 else if (appData.debugMode)
17058 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
17063 reformat a source message so words don't cross the width boundary. internal
17064 newlines are not removed. returns the wrapped size (no null character unless
17065 included in source message). If dest is NULL, only calculate the size required
17066 for the dest buffer. lp argument indicats line position upon entry, and it's
17067 passed back upon exit.
17070 wrap (char *dest, char *src, int count, int width, int *lp)
17072 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
17074 cseq_len = strlen(cseq);
17075 old_line = line = *lp;
17076 ansi = len = clen = 0;
17078 for (i=0; i < count; i++)
17080 if (src[i] == '\033')
17083 // if we hit the width, back up
17084 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
17086 // store i & len in case the word is too long
17087 old_i = i, old_len = len;
17089 // find the end of the last word
17090 while (i && src[i] != ' ' && src[i] != '\n')
17096 // word too long? restore i & len before splitting it
17097 if ((old_i-i+clen) >= width)
17104 if (i && src[i-1] == ' ')
17107 if (src[i] != ' ' && src[i] != '\n')
17114 // now append the newline and continuation sequence
17119 strncpy(dest+len, cseq, cseq_len);
17127 dest[len] = src[i];
17131 if (src[i] == '\n')
17136 if (dest && appData.debugMode)
17138 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
17139 count, width, line, len, *lp);
17140 show_bytes(debugFP, src, count);
17141 fprintf(debugFP, "\ndest: ");
17142 show_bytes(debugFP, dest, len);
17143 fprintf(debugFP, "\n");
17145 *lp = dest ? line : old_line;
17150 // [HGM] vari: routines for shelving variations
17151 Boolean modeRestore = FALSE;
17154 PushInner (int firstMove, int lastMove)
17156 int i, j, nrMoves = lastMove - firstMove;
17158 // push current tail of game on stack
17159 savedResult[storedGames] = gameInfo.result;
17160 savedDetails[storedGames] = gameInfo.resultDetails;
17161 gameInfo.resultDetails = NULL;
17162 savedFirst[storedGames] = firstMove;
17163 savedLast [storedGames] = lastMove;
17164 savedFramePtr[storedGames] = framePtr;
17165 framePtr -= nrMoves; // reserve space for the boards
17166 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
17167 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
17168 for(j=0; j<MOVE_LEN; j++)
17169 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
17170 for(j=0; j<2*MOVE_LEN; j++)
17171 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
17172 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
17173 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
17174 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
17175 pvInfoList[firstMove+i-1].depth = 0;
17176 commentList[framePtr+i] = commentList[firstMove+i];
17177 commentList[firstMove+i] = NULL;
17181 forwardMostMove = firstMove; // truncate game so we can start variation
17185 PushTail (int firstMove, int lastMove)
17187 if(appData.icsActive) { // only in local mode
17188 forwardMostMove = currentMove; // mimic old ICS behavior
17191 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
17193 PushInner(firstMove, lastMove);
17194 if(storedGames == 1) GreyRevert(FALSE);
17195 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
17199 PopInner (Boolean annotate)
17202 char buf[8000], moveBuf[20];
17204 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
17205 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
17206 nrMoves = savedLast[storedGames] - currentMove;
17209 if(!WhiteOnMove(currentMove))
17210 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
17211 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
17212 for(i=currentMove; i<forwardMostMove; i++) {
17214 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
17215 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
17216 strcat(buf, moveBuf);
17217 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
17218 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
17222 for(i=1; i<=nrMoves; i++) { // copy last variation back
17223 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
17224 for(j=0; j<MOVE_LEN; j++)
17225 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
17226 for(j=0; j<2*MOVE_LEN; j++)
17227 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17228 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17229 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17230 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17231 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17232 commentList[currentMove+i] = commentList[framePtr+i];
17233 commentList[framePtr+i] = NULL;
17235 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17236 framePtr = savedFramePtr[storedGames];
17237 gameInfo.result = savedResult[storedGames];
17238 if(gameInfo.resultDetails != NULL) {
17239 free(gameInfo.resultDetails);
17241 gameInfo.resultDetails = savedDetails[storedGames];
17242 forwardMostMove = currentMove + nrMoves;
17246 PopTail (Boolean annotate)
17248 if(appData.icsActive) return FALSE; // only in local mode
17249 if(!storedGames) return FALSE; // sanity
17250 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17252 PopInner(annotate);
17253 if(currentMove < forwardMostMove) ForwardEvent(); else
17254 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17256 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17262 { // remove all shelved variations
17264 for(i=0; i<storedGames; i++) {
17265 if(savedDetails[i])
17266 free(savedDetails[i]);
17267 savedDetails[i] = NULL;
17269 for(i=framePtr; i<MAX_MOVES; i++) {
17270 if(commentList[i]) free(commentList[i]);
17271 commentList[i] = NULL;
17273 framePtr = MAX_MOVES-1;
17278 LoadVariation (int index, char *text)
17279 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17280 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17281 int level = 0, move;
17283 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17284 // first find outermost bracketing variation
17285 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17286 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17287 if(*p == '{') wait = '}'; else
17288 if(*p == '[') wait = ']'; else
17289 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17290 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17292 if(*p == wait) wait = NULLCHAR; // closing ]} found
17295 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17296 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17297 end[1] = NULLCHAR; // clip off comment beyond variation
17298 ToNrEvent(currentMove-1);
17299 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17300 // kludge: use ParsePV() to append variation to game
17301 move = currentMove;
17302 ParsePV(start, TRUE, TRUE);
17303 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17304 ClearPremoveHighlights();
17306 ToNrEvent(currentMove+1);