2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void ics_printf P((char *format, ...));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
227 extern void ConsoleCreate();
230 ChessProgramState *WhitePlayer();
231 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
232 int VerifyDisplayMode P(());
234 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
235 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
236 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
237 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
238 void ics_update_width P((int new_width));
239 extern char installDir[MSG_SIZ];
240 VariantClass startVariant; /* [HGM] nicks: initial variant */
243 extern int tinyLayout, smallLayout;
244 ChessProgramStats programStats;
245 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
247 static int exiting = 0; /* [HGM] moved to top */
248 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
249 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
250 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
251 int partnerHighlight[2];
252 Boolean partnerBoardValid = 0;
253 char partnerStatus[MSG_SIZ];
255 Boolean originalFlip;
256 Boolean twoBoards = 0;
257 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
258 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
259 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
260 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
261 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
262 int opponentKibitzes;
263 int lastSavedGame; /* [HGM] save: ID of game */
264 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
265 extern int chatCount;
267 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
268 char lastMsg[MSG_SIZ];
269 ChessSquare pieceSweep = EmptySquare;
270 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
271 int promoDefaultAltered;
273 /* States for ics_getting_history */
275 #define H_REQUESTED 1
276 #define H_GOT_REQ_HEADER 2
277 #define H_GOT_UNREQ_HEADER 3
278 #define H_GETTING_MOVES 4
279 #define H_GOT_UNWANTED_HEADER 5
281 /* whosays values for GameEnds */
290 /* Maximum number of games in a cmail message */
291 #define CMAIL_MAX_GAMES 20
293 /* Different types of move when calling RegisterMove */
295 #define CMAIL_RESIGN 1
297 #define CMAIL_ACCEPT 3
299 /* Different types of result to remember for each game */
300 #define CMAIL_NOT_RESULT 0
301 #define CMAIL_OLD_RESULT 1
302 #define CMAIL_NEW_RESULT 2
304 /* Telnet protocol constants */
315 safeStrCpy (char *dst, const char *src, size_t count)
318 assert( dst != NULL );
319 assert( src != NULL );
322 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
323 if( i == count && dst[count-1] != NULLCHAR)
325 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
326 if(appData.debugMode)
327 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
333 /* Some compiler can't cast u64 to double
334 * This function do the job for us:
336 * We use the highest bit for cast, this only
337 * works if the highest bit is not
338 * in use (This should not happen)
340 * We used this for all compiler
343 u64ToDouble (u64 value)
346 u64 tmp = value & u64Const(0x7fffffffffffffff);
347 r = (double)(s64)tmp;
348 if (value & u64Const(0x8000000000000000))
349 r += 9.2233720368547758080e18; /* 2^63 */
353 /* Fake up flags for now, as we aren't keeping track of castling
354 availability yet. [HGM] Change of logic: the flag now only
355 indicates the type of castlings allowed by the rule of the game.
356 The actual rights themselves are maintained in the array
357 castlingRights, as part of the game history, and are not probed
363 int flags = F_ALL_CASTLE_OK;
364 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
365 switch (gameInfo.variant) {
367 flags &= ~F_ALL_CASTLE_OK;
368 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
369 flags |= F_IGNORE_CHECK;
371 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
374 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
376 case VariantKriegspiel:
377 flags |= F_KRIEGSPIEL_CAPTURE;
379 case VariantCapaRandom:
380 case VariantFischeRandom:
381 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
382 case VariantNoCastle:
383 case VariantShatranj:
387 flags &= ~F_ALL_CASTLE_OK;
395 FILE *gameFileFP, *debugFP, *serverFP;
396 char *currentDebugFile; // [HGM] debug split: to remember name
399 [AS] Note: sometimes, the sscanf() function is used to parse the input
400 into a fixed-size buffer. Because of this, we must be prepared to
401 receive strings as long as the size of the input buffer, which is currently
402 set to 4K for Windows and 8K for the rest.
403 So, we must either allocate sufficiently large buffers here, or
404 reduce the size of the input buffer in the input reading part.
407 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
408 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
409 char thinkOutput1[MSG_SIZ*10];
411 ChessProgramState first, second, pairing;
413 /* premove variables */
416 int premoveFromX = 0;
417 int premoveFromY = 0;
418 int premovePromoChar = 0;
420 Boolean alarmSounded;
421 /* end premove variables */
423 char *ics_prefix = "$";
424 int ics_type = ICS_GENERIC;
426 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
427 int pauseExamForwardMostMove = 0;
428 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
429 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
430 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
431 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
432 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
433 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
434 int whiteFlag = FALSE, blackFlag = FALSE;
435 int userOfferedDraw = FALSE;
436 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
437 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
438 int cmailMoveType[CMAIL_MAX_GAMES];
439 long ics_clock_paused = 0;
440 ProcRef icsPR = NoProc, cmailPR = NoProc;
441 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
442 GameMode gameMode = BeginningOfGame;
443 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
444 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
445 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
446 int hiddenThinkOutputState = 0; /* [AS] */
447 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
448 int adjudicateLossPlies = 6;
449 char white_holding[64], black_holding[64];
450 TimeMark lastNodeCountTime;
451 long lastNodeCount=0;
452 int shiftKey; // [HGM] set by mouse handler
454 int have_sent_ICS_logon = 0;
456 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
457 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
458 Boolean adjustedClock;
459 long timeControl_2; /* [AS] Allow separate time controls */
460 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
461 long timeRemaining[2][MAX_MOVES];
462 int matchGame = 0, nextGame = 0, roundNr = 0;
463 Boolean waitingForGame = FALSE;
464 TimeMark programStartTime, pauseStart;
465 char ics_handle[MSG_SIZ];
466 int have_set_title = 0;
468 /* animateTraining preserves the state of appData.animate
469 * when Training mode is activated. This allows the
470 * response to be animated when appData.animate == TRUE and
471 * appData.animateDragging == TRUE.
473 Boolean animateTraining;
479 Board boards[MAX_MOVES];
480 /* [HGM] Following 7 needed for accurate legality tests: */
481 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
482 signed char initialRights[BOARD_FILES];
483 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
484 int initialRulePlies, FENrulePlies;
485 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
487 Boolean shuffleOpenings;
488 int mute; // mute all sounds
490 // [HGM] vari: next 12 to save and restore variations
491 #define MAX_VARIATIONS 10
492 int framePtr = MAX_MOVES-1; // points to free stack entry
494 int savedFirst[MAX_VARIATIONS];
495 int savedLast[MAX_VARIATIONS];
496 int savedFramePtr[MAX_VARIATIONS];
497 char *savedDetails[MAX_VARIATIONS];
498 ChessMove savedResult[MAX_VARIATIONS];
500 void PushTail P((int firstMove, int lastMove));
501 Boolean PopTail P((Boolean annotate));
502 void PushInner P((int firstMove, int lastMove));
503 void PopInner P((Boolean annotate));
504 void CleanupTail P((void));
506 ChessSquare FIDEArray[2][BOARD_FILES] = {
507 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
508 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
509 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
510 BlackKing, BlackBishop, BlackKnight, BlackRook }
513 ChessSquare twoKingsArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackKing, BlackKnight, BlackRook }
520 ChessSquare KnightmateArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
522 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
523 { BlackRook, BlackMan, BlackBishop, BlackQueen,
524 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
527 ChessSquare SpartanArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
529 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
530 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
531 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
534 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
538 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
541 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
542 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
543 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
544 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
545 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
548 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
550 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackMan, BlackFerz,
552 BlackKing, BlackMan, BlackKnight, BlackRook }
556 #if (BOARD_FILES>=10)
557 ChessSquare ShogiArray[2][BOARD_FILES] = {
558 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
559 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
560 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
561 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
564 ChessSquare XiangqiArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
566 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
567 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
568 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
571 ChessSquare CapablancaArray[2][BOARD_FILES] = {
572 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
574 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
575 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
578 ChessSquare GreatArray[2][BOARD_FILES] = {
579 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
580 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
581 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
582 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
585 ChessSquare JanusArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
587 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
588 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
589 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
592 ChessSquare GrandArray[2][BOARD_FILES] = {
593 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
594 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
595 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
596 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
600 ChessSquare GothicArray[2][BOARD_FILES] = {
601 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
602 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
603 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
604 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
607 #define GothicArray CapablancaArray
611 ChessSquare FalconArray[2][BOARD_FILES] = {
612 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
613 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
614 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
615 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
618 #define FalconArray CapablancaArray
621 #else // !(BOARD_FILES>=10)
622 #define XiangqiPosition FIDEArray
623 #define CapablancaArray FIDEArray
624 #define GothicArray FIDEArray
625 #define GreatArray FIDEArray
626 #endif // !(BOARD_FILES>=10)
628 #if (BOARD_FILES>=12)
629 ChessSquare CourierArray[2][BOARD_FILES] = {
630 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
631 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
632 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
633 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
635 #else // !(BOARD_FILES>=12)
636 #define CourierArray CapablancaArray
637 #endif // !(BOARD_FILES>=12)
640 Board initialPosition;
643 /* Convert str to a rating. Checks for special cases of "----",
645 "++++", etc. Also strips ()'s */
647 string_to_rating (char *str)
649 while(*str && !isdigit(*str)) ++str;
651 return 0; /* One of the special "no rating" cases */
659 /* Init programStats */
660 programStats.movelist[0] = 0;
661 programStats.depth = 0;
662 programStats.nr_moves = 0;
663 programStats.moves_left = 0;
664 programStats.nodes = 0;
665 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
666 programStats.score = 0;
667 programStats.got_only_move = 0;
668 programStats.got_fail = 0;
669 programStats.line_is_book = 0;
674 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
675 if (appData.firstPlaysBlack) {
676 first.twoMachinesColor = "black\n";
677 second.twoMachinesColor = "white\n";
679 first.twoMachinesColor = "white\n";
680 second.twoMachinesColor = "black\n";
683 first.other = &second;
684 second.other = &first;
687 if(appData.timeOddsMode) {
688 norm = appData.timeOdds[0];
689 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
691 first.timeOdds = appData.timeOdds[0]/norm;
692 second.timeOdds = appData.timeOdds[1]/norm;
695 if(programVersion) free(programVersion);
696 if (appData.noChessProgram) {
697 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
698 sprintf(programVersion, "%s", PACKAGE_STRING);
700 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
701 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
702 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
707 UnloadEngine (ChessProgramState *cps)
709 /* Kill off first chess program */
710 if (cps->isr != NULL)
711 RemoveInputSource(cps->isr);
714 if (cps->pr != NoProc) {
716 DoSleep( appData.delayBeforeQuit );
717 SendToProgram("quit\n", cps);
718 DoSleep( appData.delayAfterQuit );
719 DestroyChildProcess(cps->pr, cps->useSigterm);
722 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
726 ClearOptions (ChessProgramState *cps)
729 cps->nrOptions = cps->comboCnt = 0;
730 for(i=0; i<MAX_OPTIONS; i++) {
731 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
732 cps->option[i].textValue = 0;
736 char *engineNames[] = {
737 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
738 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
740 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
741 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
746 InitEngine (ChessProgramState *cps, int n)
747 { // [HGM] all engine initialiation put in a function that does one engine
751 cps->which = engineNames[n];
752 cps->maybeThinking = FALSE;
756 cps->sendDrawOffers = 1;
758 cps->program = appData.chessProgram[n];
759 cps->host = appData.host[n];
760 cps->dir = appData.directory[n];
761 cps->initString = appData.engInitString[n];
762 cps->computerString = appData.computerString[n];
763 cps->useSigint = TRUE;
764 cps->useSigterm = TRUE;
765 cps->reuse = appData.reuse[n];
766 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
767 cps->useSetboard = FALSE;
769 cps->usePing = FALSE;
772 cps->usePlayother = FALSE;
773 cps->useColors = TRUE;
774 cps->useUsermove = FALSE;
775 cps->sendICS = FALSE;
776 cps->sendName = appData.icsActive;
777 cps->sdKludge = FALSE;
778 cps->stKludge = FALSE;
779 TidyProgramName(cps->program, cps->host, cps->tidy);
781 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
782 cps->analysisSupport = 2; /* detect */
783 cps->analyzing = FALSE;
784 cps->initDone = FALSE;
786 /* New features added by Tord: */
787 cps->useFEN960 = FALSE;
788 cps->useOOCastle = TRUE;
789 /* End of new features added by Tord. */
790 cps->fenOverride = appData.fenOverride[n];
792 /* [HGM] time odds: set factor for each machine */
793 cps->timeOdds = appData.timeOdds[n];
795 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
796 cps->accumulateTC = appData.accumulateTC[n];
797 cps->maxNrOfSessions = 1;
802 cps->supportsNPS = UNKNOWN;
803 cps->memSize = FALSE;
804 cps->maxCores = FALSE;
805 cps->egtFormats[0] = NULLCHAR;
808 cps->optionSettings = appData.engOptions[n];
810 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
811 cps->isUCI = appData.isUCI[n]; /* [AS] */
812 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
814 if (appData.protocolVersion[n] > PROTOVER
815 || appData.protocolVersion[n] < 1)
820 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
821 appData.protocolVersion[n]);
822 if( (len >= MSG_SIZ) && appData.debugMode )
823 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
825 DisplayFatalError(buf, 0, 2);
829 cps->protocolVersion = appData.protocolVersion[n];
832 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
833 ParseFeatures(appData.featureDefaults, cps);
836 ChessProgramState *savCps;
842 if(WaitForEngine(savCps, LoadEngine)) return;
843 CommonEngineInit(); // recalculate time odds
844 if(gameInfo.variant != StringToVariant(appData.variant)) {
845 // we changed variant when loading the engine; this forces us to reset
846 Reset(TRUE, savCps != &first);
847 EditGameEvent(); // for consistency with other path, as Reset changes mode
849 InitChessProgram(savCps, FALSE);
850 SendToProgram("force\n", savCps);
851 DisplayMessage("", "");
852 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
853 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
859 ReplaceEngine (ChessProgramState *cps, int n)
863 appData.noChessProgram = FALSE;
864 appData.clockMode = TRUE;
867 if(n) return; // only startup first engine immediately; second can wait
868 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
872 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
873 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
875 static char resetOptions[] =
876 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
877 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
878 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
881 FloatToFront(char **list, char *engineLine)
883 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
885 if(appData.recentEngines <= 0) return;
886 TidyProgramName(engineLine, "localhost", tidy+1);
887 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
888 strncpy(buf+1, *list, MSG_SIZ-50);
889 if(p = strstr(buf, tidy)) { // tidy name appears in list
890 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
891 while(*p++ = *++q); // squeeze out
893 strcat(tidy, buf+1); // put list behind tidy name
894 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
895 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
896 ASSIGN(*list, tidy+1);
900 Load (ChessProgramState *cps, int i)
902 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
903 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
904 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
905 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
906 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
907 appData.firstProtocolVersion = PROTOVER;
908 ParseArgsFromString(buf);
910 ReplaceEngine(cps, i);
911 FloatToFront(&appData.recentEngineList, engineLine);
915 while(q = strchr(p, SLASH)) p = q+1;
916 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
917 if(engineDir[0] != NULLCHAR)
918 appData.directory[i] = engineDir;
919 else if(p != engineName) { // derive directory from engine path, when not given
921 appData.directory[i] = strdup(engineName);
923 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
924 } else appData.directory[i] = ".";
926 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
927 snprintf(command, MSG_SIZ, "%s %s", p, params);
930 appData.chessProgram[i] = strdup(p);
931 appData.isUCI[i] = isUCI;
932 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
933 appData.hasOwnBookUCI[i] = hasBook;
934 if(!nickName[0]) useNick = FALSE;
935 if(useNick) ASSIGN(appData.pgnName[i], nickName);
939 q = firstChessProgramNames;
940 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
941 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
942 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
943 quote, p, quote, appData.directory[i],
944 useNick ? " -fn \"" : "",
945 useNick ? nickName : "",
947 v1 ? " -firstProtocolVersion 1" : "",
948 hasBook ? "" : " -fNoOwnBookUCI",
949 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
950 storeVariant ? " -variant " : "",
951 storeVariant ? VariantName(gameInfo.variant) : "");
952 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
953 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
955 FloatToFront(&appData.recentEngineList, buf);
957 ReplaceEngine(cps, i);
963 int matched, min, sec;
965 * Parse timeControl resource
967 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
968 appData.movesPerSession)) {
970 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
971 DisplayFatalError(buf, 0, 2);
975 * Parse searchTime resource
977 if (*appData.searchTime != NULLCHAR) {
978 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
980 searchTime = min * 60;
981 } else if (matched == 2) {
982 searchTime = min * 60 + sec;
985 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
986 DisplayFatalError(buf, 0, 2);
995 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
996 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
998 GetTimeMark(&programStartTime);
999 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1000 appData.seedBase = random() + (random()<<15);
1001 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1003 ClearProgramStats();
1004 programStats.ok_to_send = 1;
1005 programStats.seen_stat = 0;
1008 * Initialize game list
1014 * Internet chess server status
1016 if (appData.icsActive) {
1017 appData.matchMode = FALSE;
1018 appData.matchGames = 0;
1020 appData.noChessProgram = !appData.zippyPlay;
1022 appData.zippyPlay = FALSE;
1023 appData.zippyTalk = FALSE;
1024 appData.noChessProgram = TRUE;
1026 if (*appData.icsHelper != NULLCHAR) {
1027 appData.useTelnet = TRUE;
1028 appData.telnetProgram = appData.icsHelper;
1031 appData.zippyTalk = appData.zippyPlay = FALSE;
1034 /* [AS] Initialize pv info list [HGM] and game state */
1038 for( i=0; i<=framePtr; i++ ) {
1039 pvInfoList[i].depth = -1;
1040 boards[i][EP_STATUS] = EP_NONE;
1041 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1047 /* [AS] Adjudication threshold */
1048 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1050 InitEngine(&first, 0);
1051 InitEngine(&second, 1);
1054 pairing.which = "pairing"; // pairing engine
1055 pairing.pr = NoProc;
1057 pairing.program = appData.pairingEngine;
1058 pairing.host = "localhost";
1061 if (appData.icsActive) {
1062 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1063 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1064 appData.clockMode = FALSE;
1065 first.sendTime = second.sendTime = 0;
1069 /* Override some settings from environment variables, for backward
1070 compatibility. Unfortunately it's not feasible to have the env
1071 vars just set defaults, at least in xboard. Ugh.
1073 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1078 if (!appData.icsActive) {
1082 /* Check for variants that are supported only in ICS mode,
1083 or not at all. Some that are accepted here nevertheless
1084 have bugs; see comments below.
1086 VariantClass variant = StringToVariant(appData.variant);
1088 case VariantBughouse: /* need four players and two boards */
1089 case VariantKriegspiel: /* need to hide pieces and move details */
1090 /* case VariantFischeRandom: (Fabien: moved below) */
1091 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1092 if( (len >= MSG_SIZ) && appData.debugMode )
1093 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1095 DisplayFatalError(buf, 0, 2);
1098 case VariantUnknown:
1099 case VariantLoadable:
1109 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1110 if( (len >= MSG_SIZ) && appData.debugMode )
1111 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1113 DisplayFatalError(buf, 0, 2);
1116 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1117 case VariantFairy: /* [HGM] TestLegality definitely off! */
1118 case VariantGothic: /* [HGM] should work */
1119 case VariantCapablanca: /* [HGM] should work */
1120 case VariantCourier: /* [HGM] initial forced moves not implemented */
1121 case VariantShogi: /* [HGM] could still mate with pawn drop */
1122 case VariantKnightmate: /* [HGM] should work */
1123 case VariantCylinder: /* [HGM] untested */
1124 case VariantFalcon: /* [HGM] untested */
1125 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1126 offboard interposition not understood */
1127 case VariantNormal: /* definitely works! */
1128 case VariantWildCastle: /* pieces not automatically shuffled */
1129 case VariantNoCastle: /* pieces not automatically shuffled */
1130 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1131 case VariantLosers: /* should work except for win condition,
1132 and doesn't know captures are mandatory */
1133 case VariantSuicide: /* should work except for win condition,
1134 and doesn't know captures are mandatory */
1135 case VariantGiveaway: /* should work except for win condition,
1136 and doesn't know captures are mandatory */
1137 case VariantTwoKings: /* should work */
1138 case VariantAtomic: /* should work except for win condition */
1139 case Variant3Check: /* should work except for win condition */
1140 case VariantShatranj: /* should work except for all win conditions */
1141 case VariantMakruk: /* should work except for draw countdown */
1142 case VariantBerolina: /* might work if TestLegality is off */
1143 case VariantCapaRandom: /* should work */
1144 case VariantJanus: /* should work */
1145 case VariantSuper: /* experimental */
1146 case VariantGreat: /* experimental, requires legality testing to be off */
1147 case VariantSChess: /* S-Chess, should work */
1148 case VariantGrand: /* should work */
1149 case VariantSpartan: /* should work */
1157 NextIntegerFromString (char ** str, long * value)
1162 while( *s == ' ' || *s == '\t' ) {
1168 if( *s >= '0' && *s <= '9' ) {
1169 while( *s >= '0' && *s <= '9' ) {
1170 *value = *value * 10 + (*s - '0');
1183 NextTimeControlFromString (char ** str, long * value)
1186 int result = NextIntegerFromString( str, &temp );
1189 *value = temp * 60; /* Minutes */
1190 if( **str == ':' ) {
1192 result = NextIntegerFromString( str, &temp );
1193 *value += temp; /* Seconds */
1201 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1202 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1203 int result = -1, type = 0; long temp, temp2;
1205 if(**str != ':') return -1; // old params remain in force!
1207 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1208 if( NextIntegerFromString( str, &temp ) ) return -1;
1209 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1212 /* time only: incremental or sudden-death time control */
1213 if(**str == '+') { /* increment follows; read it */
1215 if(**str == '!') type = *(*str)++; // Bronstein TC
1216 if(result = NextIntegerFromString( str, &temp2)) return -1;
1217 *inc = temp2 * 1000;
1218 if(**str == '.') { // read fraction of increment
1219 char *start = ++(*str);
1220 if(result = NextIntegerFromString( str, &temp2)) return -1;
1222 while(start++ < *str) temp2 /= 10;
1226 *moves = 0; *tc = temp * 1000; *incType = type;
1230 (*str)++; /* classical time control */
1231 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1243 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1244 { /* [HGM] get time to add from the multi-session time-control string */
1245 int incType, moves=1; /* kludge to force reading of first session */
1246 long time, increment;
1249 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1251 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1252 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1253 if(movenr == -1) return time; /* last move before new session */
1254 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1255 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1256 if(!moves) return increment; /* current session is incremental */
1257 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1258 } while(movenr >= -1); /* try again for next session */
1260 return 0; // no new time quota on this move
1264 ParseTimeControl (char *tc, float ti, int mps)
1268 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1271 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1272 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1273 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1277 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1279 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1282 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1284 snprintf(buf, MSG_SIZ, ":%s", mytc);
1286 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1288 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1293 /* Parse second time control */
1296 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1304 timeControl_2 = tc2 * 1000;
1314 timeControl = tc1 * 1000;
1317 timeIncrement = ti * 1000; /* convert to ms */
1318 movesPerSession = 0;
1321 movesPerSession = mps;
1329 if (appData.debugMode) {
1330 fprintf(debugFP, "%s\n", programVersion);
1332 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1334 set_cont_sequence(appData.wrapContSeq);
1335 if (appData.matchGames > 0) {
1336 appData.matchMode = TRUE;
1337 } else if (appData.matchMode) {
1338 appData.matchGames = 1;
1340 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1341 appData.matchGames = appData.sameColorGames;
1342 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1343 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1344 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1347 if (appData.noChessProgram || first.protocolVersion == 1) {
1350 /* kludge: allow timeout for initial "feature" commands */
1352 DisplayMessage("", _("Starting chess program"));
1353 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1358 CalculateIndex (int index, int gameNr)
1359 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1361 if(index > 0) return index; // fixed nmber
1362 if(index == 0) return 1;
1363 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1364 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1369 LoadGameOrPosition (int gameNr)
1370 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1371 if (*appData.loadGameFile != NULLCHAR) {
1372 if (!LoadGameFromFile(appData.loadGameFile,
1373 CalculateIndex(appData.loadGameIndex, gameNr),
1374 appData.loadGameFile, FALSE)) {
1375 DisplayFatalError(_("Bad game file"), 0, 1);
1378 } else if (*appData.loadPositionFile != NULLCHAR) {
1379 if (!LoadPositionFromFile(appData.loadPositionFile,
1380 CalculateIndex(appData.loadPositionIndex, gameNr),
1381 appData.loadPositionFile)) {
1382 DisplayFatalError(_("Bad position file"), 0, 1);
1390 ReserveGame (int gameNr, char resChar)
1392 FILE *tf = fopen(appData.tourneyFile, "r+");
1393 char *p, *q, c, buf[MSG_SIZ];
1394 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1395 safeStrCpy(buf, lastMsg, MSG_SIZ);
1396 DisplayMessage(_("Pick new game"), "");
1397 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1398 ParseArgsFromFile(tf);
1399 p = q = appData.results;
1400 if(appData.debugMode) {
1401 char *r = appData.participants;
1402 fprintf(debugFP, "results = '%s'\n", p);
1403 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1404 fprintf(debugFP, "\n");
1406 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1408 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1409 safeStrCpy(q, p, strlen(p) + 2);
1410 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1411 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1412 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1413 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1416 fseek(tf, -(strlen(p)+4), SEEK_END);
1418 if(c != '"') // depending on DOS or Unix line endings we can be one off
1419 fseek(tf, -(strlen(p)+2), SEEK_END);
1420 else fseek(tf, -(strlen(p)+3), SEEK_END);
1421 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1422 DisplayMessage(buf, "");
1423 free(p); appData.results = q;
1424 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1425 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1426 int round = appData.defaultMatchGames * appData.tourneyType;
1427 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1428 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1429 UnloadEngine(&first); // next game belongs to other pairing;
1430 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1432 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1436 MatchEvent (int mode)
1437 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1439 if(matchMode) { // already in match mode: switch it off
1441 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1444 // if(gameMode != BeginningOfGame) {
1445 // DisplayError(_("You can only start a match from the initial position."), 0);
1449 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1450 /* Set up machine vs. machine match */
1452 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1453 if(appData.tourneyFile[0]) {
1455 if(nextGame > appData.matchGames) {
1457 if(strchr(appData.results, '*') == NULL) {
1459 appData.tourneyCycles++;
1460 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1462 NextTourneyGame(-1, &dummy);
1464 if(nextGame <= appData.matchGames) {
1465 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1467 ScheduleDelayedEvent(NextMatchGame, 10000);
1472 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1473 DisplayError(buf, 0);
1474 appData.tourneyFile[0] = 0;
1478 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1479 DisplayFatalError(_("Can't have a match with no chess programs"),
1484 matchGame = roundNr = 1;
1485 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1489 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1492 InitBackEnd3 P((void))
1494 GameMode initialMode;
1498 InitChessProgram(&first, startedFromSetupPosition);
1500 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1501 free(programVersion);
1502 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1503 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1504 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1507 if (appData.icsActive) {
1509 /* [DM] Make a console window if needed [HGM] merged ifs */
1515 if (*appData.icsCommPort != NULLCHAR)
1516 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1517 appData.icsCommPort);
1519 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1520 appData.icsHost, appData.icsPort);
1522 if( (len >= MSG_SIZ) && appData.debugMode )
1523 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1525 DisplayFatalError(buf, err, 1);
1530 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1532 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1533 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1534 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1535 } else if (appData.noChessProgram) {
1541 if (*appData.cmailGameName != NULLCHAR) {
1543 OpenLoopback(&cmailPR);
1545 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1549 DisplayMessage("", "");
1550 if (StrCaseCmp(appData.initialMode, "") == 0) {
1551 initialMode = BeginningOfGame;
1552 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1553 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1554 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1555 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1558 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1559 initialMode = TwoMachinesPlay;
1560 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1561 initialMode = AnalyzeFile;
1562 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1563 initialMode = AnalyzeMode;
1564 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1565 initialMode = MachinePlaysWhite;
1566 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1567 initialMode = MachinePlaysBlack;
1568 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1569 initialMode = EditGame;
1570 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1571 initialMode = EditPosition;
1572 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1573 initialMode = Training;
1575 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1576 if( (len >= MSG_SIZ) && appData.debugMode )
1577 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1579 DisplayFatalError(buf, 0, 2);
1583 if (appData.matchMode) {
1584 if(appData.tourneyFile[0]) { // start tourney from command line
1586 if(f = fopen(appData.tourneyFile, "r")) {
1587 ParseArgsFromFile(f); // make sure tourney parmeters re known
1589 appData.clockMode = TRUE;
1591 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1594 } else if (*appData.cmailGameName != NULLCHAR) {
1595 /* Set up cmail mode */
1596 ReloadCmailMsgEvent(TRUE);
1598 /* Set up other modes */
1599 if (initialMode == AnalyzeFile) {
1600 if (*appData.loadGameFile == NULLCHAR) {
1601 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1605 if (*appData.loadGameFile != NULLCHAR) {
1606 (void) LoadGameFromFile(appData.loadGameFile,
1607 appData.loadGameIndex,
1608 appData.loadGameFile, TRUE);
1609 } else if (*appData.loadPositionFile != NULLCHAR) {
1610 (void) LoadPositionFromFile(appData.loadPositionFile,
1611 appData.loadPositionIndex,
1612 appData.loadPositionFile);
1613 /* [HGM] try to make self-starting even after FEN load */
1614 /* to allow automatic setup of fairy variants with wtm */
1615 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1616 gameMode = BeginningOfGame;
1617 setboardSpoiledMachineBlack = 1;
1619 /* [HGM] loadPos: make that every new game uses the setup */
1620 /* from file as long as we do not switch variant */
1621 if(!blackPlaysFirst) {
1622 startedFromPositionFile = TRUE;
1623 CopyBoard(filePosition, boards[0]);
1626 if (initialMode == AnalyzeMode) {
1627 if (appData.noChessProgram) {
1628 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1631 if (appData.icsActive) {
1632 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1636 } else if (initialMode == AnalyzeFile) {
1637 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1638 ShowThinkingEvent();
1640 AnalysisPeriodicEvent(1);
1641 } else if (initialMode == MachinePlaysWhite) {
1642 if (appData.noChessProgram) {
1643 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1647 if (appData.icsActive) {
1648 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1652 MachineWhiteEvent();
1653 } else if (initialMode == MachinePlaysBlack) {
1654 if (appData.noChessProgram) {
1655 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1659 if (appData.icsActive) {
1660 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1664 MachineBlackEvent();
1665 } else if (initialMode == TwoMachinesPlay) {
1666 if (appData.noChessProgram) {
1667 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1671 if (appData.icsActive) {
1672 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1677 } else if (initialMode == EditGame) {
1679 } else if (initialMode == EditPosition) {
1680 EditPositionEvent();
1681 } else if (initialMode == Training) {
1682 if (*appData.loadGameFile == NULLCHAR) {
1683 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1692 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1694 DisplayBook(current+1);
1696 MoveHistorySet( movelist, first, last, current, pvInfoList );
1698 EvalGraphSet( first, last, current, pvInfoList );
1700 MakeEngineOutputTitle();
1704 * Establish will establish a contact to a remote host.port.
1705 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1706 * used to talk to the host.
1707 * Returns 0 if okay, error code if not.
1714 if (*appData.icsCommPort != NULLCHAR) {
1715 /* Talk to the host through a serial comm port */
1716 return OpenCommPort(appData.icsCommPort, &icsPR);
1718 } else if (*appData.gateway != NULLCHAR) {
1719 if (*appData.remoteShell == NULLCHAR) {
1720 /* Use the rcmd protocol to run telnet program on a gateway host */
1721 snprintf(buf, sizeof(buf), "%s %s %s",
1722 appData.telnetProgram, appData.icsHost, appData.icsPort);
1723 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1726 /* Use the rsh program to run telnet program on a gateway host */
1727 if (*appData.remoteUser == NULLCHAR) {
1728 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1729 appData.gateway, appData.telnetProgram,
1730 appData.icsHost, appData.icsPort);
1732 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1733 appData.remoteShell, appData.gateway,
1734 appData.remoteUser, appData.telnetProgram,
1735 appData.icsHost, appData.icsPort);
1737 return StartChildProcess(buf, "", &icsPR);
1740 } else if (appData.useTelnet) {
1741 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1744 /* TCP socket interface differs somewhat between
1745 Unix and NT; handle details in the front end.
1747 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1752 EscapeExpand (char *p, char *q)
1753 { // [HGM] initstring: routine to shape up string arguments
1754 while(*p++ = *q++) if(p[-1] == '\\')
1756 case 'n': p[-1] = '\n'; break;
1757 case 'r': p[-1] = '\r'; break;
1758 case 't': p[-1] = '\t'; break;
1759 case '\\': p[-1] = '\\'; break;
1760 case 0: *p = 0; return;
1761 default: p[-1] = q[-1]; break;
1766 show_bytes (FILE *fp, char *buf, int count)
1769 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1770 fprintf(fp, "\\%03o", *buf & 0xff);
1779 /* Returns an errno value */
1781 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1783 char buf[8192], *p, *q, *buflim;
1784 int left, newcount, outcount;
1786 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1787 *appData.gateway != NULLCHAR) {
1788 if (appData.debugMode) {
1789 fprintf(debugFP, ">ICS: ");
1790 show_bytes(debugFP, message, count);
1791 fprintf(debugFP, "\n");
1793 return OutputToProcess(pr, message, count, outError);
1796 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1803 if (appData.debugMode) {
1804 fprintf(debugFP, ">ICS: ");
1805 show_bytes(debugFP, buf, newcount);
1806 fprintf(debugFP, "\n");
1808 outcount = OutputToProcess(pr, buf, newcount, outError);
1809 if (outcount < newcount) return -1; /* to be sure */
1816 } else if (((unsigned char) *p) == TN_IAC) {
1817 *q++ = (char) TN_IAC;
1824 if (appData.debugMode) {
1825 fprintf(debugFP, ">ICS: ");
1826 show_bytes(debugFP, buf, newcount);
1827 fprintf(debugFP, "\n");
1829 outcount = OutputToProcess(pr, buf, newcount, outError);
1830 if (outcount < newcount) return -1; /* to be sure */
1835 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1837 int outError, outCount;
1838 static int gotEof = 0;
1840 /* Pass data read from player on to ICS */
1843 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1844 if (outCount < count) {
1845 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1847 } else if (count < 0) {
1848 RemoveInputSource(isr);
1849 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1850 } else if (gotEof++ > 0) {
1851 RemoveInputSource(isr);
1852 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1858 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1859 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1860 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1861 SendToICS("date\n");
1862 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1865 /* added routine for printf style output to ics */
1867 ics_printf (char *format, ...)
1869 char buffer[MSG_SIZ];
1872 va_start(args, format);
1873 vsnprintf(buffer, sizeof(buffer), format, args);
1874 buffer[sizeof(buffer)-1] = '\0';
1882 int count, outCount, outError;
1884 if (icsPR == NoProc) return;
1887 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1888 if (outCount < count) {
1889 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1893 /* This is used for sending logon scripts to the ICS. Sending
1894 without a delay causes problems when using timestamp on ICC
1895 (at least on my machine). */
1897 SendToICSDelayed (char *s, long msdelay)
1899 int count, outCount, outError;
1901 if (icsPR == NoProc) return;
1904 if (appData.debugMode) {
1905 fprintf(debugFP, ">ICS: ");
1906 show_bytes(debugFP, s, count);
1907 fprintf(debugFP, "\n");
1909 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1911 if (outCount < count) {
1912 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1917 /* Remove all highlighting escape sequences in s
1918 Also deletes any suffix starting with '('
1921 StripHighlightAndTitle (char *s)
1923 static char retbuf[MSG_SIZ];
1926 while (*s != NULLCHAR) {
1927 while (*s == '\033') {
1928 while (*s != NULLCHAR && !isalpha(*s)) s++;
1929 if (*s != NULLCHAR) s++;
1931 while (*s != NULLCHAR && *s != '\033') {
1932 if (*s == '(' || *s == '[') {
1943 /* Remove all highlighting escape sequences in s */
1945 StripHighlight (char *s)
1947 static char retbuf[MSG_SIZ];
1950 while (*s != NULLCHAR) {
1951 while (*s == '\033') {
1952 while (*s != NULLCHAR && !isalpha(*s)) s++;
1953 if (*s != NULLCHAR) s++;
1955 while (*s != NULLCHAR && *s != '\033') {
1963 char *variantNames[] = VARIANT_NAMES;
1965 VariantName (VariantClass v)
1967 return variantNames[v];
1971 /* Identify a variant from the strings the chess servers use or the
1972 PGN Variant tag names we use. */
1974 StringToVariant (char *e)
1978 VariantClass v = VariantNormal;
1979 int i, found = FALSE;
1985 /* [HGM] skip over optional board-size prefixes */
1986 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1987 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1988 while( *e++ != '_');
1991 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1995 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1996 if (StrCaseStr(e, variantNames[i])) {
1997 v = (VariantClass) i;
2004 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2005 || StrCaseStr(e, "wild/fr")
2006 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2007 v = VariantFischeRandom;
2008 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2009 (i = 1, p = StrCaseStr(e, "w"))) {
2011 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2018 case 0: /* FICS only, actually */
2020 /* Castling legal even if K starts on d-file */
2021 v = VariantWildCastle;
2026 /* Castling illegal even if K & R happen to start in
2027 normal positions. */
2028 v = VariantNoCastle;
2041 /* Castling legal iff K & R start in normal positions */
2047 /* Special wilds for position setup; unclear what to do here */
2048 v = VariantLoadable;
2051 /* Bizarre ICC game */
2052 v = VariantTwoKings;
2055 v = VariantKriegspiel;
2061 v = VariantFischeRandom;
2064 v = VariantCrazyhouse;
2067 v = VariantBughouse;
2073 /* Not quite the same as FICS suicide! */
2074 v = VariantGiveaway;
2080 v = VariantShatranj;
2083 /* Temporary names for future ICC types. The name *will* change in
2084 the next xboard/WinBoard release after ICC defines it. */
2122 v = VariantCapablanca;
2125 v = VariantKnightmate;
2131 v = VariantCylinder;
2137 v = VariantCapaRandom;
2140 v = VariantBerolina;
2152 /* Found "wild" or "w" in the string but no number;
2153 must assume it's normal chess. */
2157 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2158 if( (len >= MSG_SIZ) && appData.debugMode )
2159 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2161 DisplayError(buf, 0);
2167 if (appData.debugMode) {
2168 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2169 e, wnum, VariantName(v));
2174 static int leftover_start = 0, leftover_len = 0;
2175 char star_match[STAR_MATCH_N][MSG_SIZ];
2177 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2178 advance *index beyond it, and set leftover_start to the new value of
2179 *index; else return FALSE. If pattern contains the character '*', it
2180 matches any sequence of characters not containing '\r', '\n', or the
2181 character following the '*' (if any), and the matched sequence(s) are
2182 copied into star_match.
2185 looking_at ( char *buf, int *index, char *pattern)
2187 char *bufp = &buf[*index], *patternp = pattern;
2189 char *matchp = star_match[0];
2192 if (*patternp == NULLCHAR) {
2193 *index = leftover_start = bufp - buf;
2197 if (*bufp == NULLCHAR) return FALSE;
2198 if (*patternp == '*') {
2199 if (*bufp == *(patternp + 1)) {
2201 matchp = star_match[++star_count];
2205 } else if (*bufp == '\n' || *bufp == '\r') {
2207 if (*patternp == NULLCHAR)
2212 *matchp++ = *bufp++;
2216 if (*patternp != *bufp) return FALSE;
2223 SendToPlayer (char *data, int length)
2225 int error, outCount;
2226 outCount = OutputToProcess(NoProc, data, length, &error);
2227 if (outCount < length) {
2228 DisplayFatalError(_("Error writing to display"), error, 1);
2233 PackHolding (char packed[], char *holding)
2243 switch (runlength) {
2254 sprintf(q, "%d", runlength);
2266 /* Telnet protocol requests from the front end */
2268 TelnetRequest (unsigned char ddww, unsigned char option)
2270 unsigned char msg[3];
2271 int outCount, outError;
2273 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2275 if (appData.debugMode) {
2276 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2292 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2301 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2304 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2309 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2311 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2318 if (!appData.icsActive) return;
2319 TelnetRequest(TN_DO, TN_ECHO);
2325 if (!appData.icsActive) return;
2326 TelnetRequest(TN_DONT, TN_ECHO);
2330 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2332 /* put the holdings sent to us by the server on the board holdings area */
2333 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2337 if(gameInfo.holdingsWidth < 2) return;
2338 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2339 return; // prevent overwriting by pre-board holdings
2341 if( (int)lowestPiece >= BlackPawn ) {
2344 holdingsStartRow = BOARD_HEIGHT-1;
2347 holdingsColumn = BOARD_WIDTH-1;
2348 countsColumn = BOARD_WIDTH-2;
2349 holdingsStartRow = 0;
2353 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2354 board[i][holdingsColumn] = EmptySquare;
2355 board[i][countsColumn] = (ChessSquare) 0;
2357 while( (p=*holdings++) != NULLCHAR ) {
2358 piece = CharToPiece( ToUpper(p) );
2359 if(piece == EmptySquare) continue;
2360 /*j = (int) piece - (int) WhitePawn;*/
2361 j = PieceToNumber(piece);
2362 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2363 if(j < 0) continue; /* should not happen */
2364 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2365 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2366 board[holdingsStartRow+j*direction][countsColumn]++;
2372 VariantSwitch (Board board, VariantClass newVariant)
2374 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2375 static Board oldBoard;
2377 startedFromPositionFile = FALSE;
2378 if(gameInfo.variant == newVariant) return;
2380 /* [HGM] This routine is called each time an assignment is made to
2381 * gameInfo.variant during a game, to make sure the board sizes
2382 * are set to match the new variant. If that means adding or deleting
2383 * holdings, we shift the playing board accordingly
2384 * This kludge is needed because in ICS observe mode, we get boards
2385 * of an ongoing game without knowing the variant, and learn about the
2386 * latter only later. This can be because of the move list we requested,
2387 * in which case the game history is refilled from the beginning anyway,
2388 * but also when receiving holdings of a crazyhouse game. In the latter
2389 * case we want to add those holdings to the already received position.
2393 if (appData.debugMode) {
2394 fprintf(debugFP, "Switch board from %s to %s\n",
2395 VariantName(gameInfo.variant), VariantName(newVariant));
2396 setbuf(debugFP, NULL);
2398 shuffleOpenings = 0; /* [HGM] shuffle */
2399 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2403 newWidth = 9; newHeight = 9;
2404 gameInfo.holdingsSize = 7;
2405 case VariantBughouse:
2406 case VariantCrazyhouse:
2407 newHoldingsWidth = 2; break;
2411 newHoldingsWidth = 2;
2412 gameInfo.holdingsSize = 8;
2415 case VariantCapablanca:
2416 case VariantCapaRandom:
2419 newHoldingsWidth = gameInfo.holdingsSize = 0;
2422 if(newWidth != gameInfo.boardWidth ||
2423 newHeight != gameInfo.boardHeight ||
2424 newHoldingsWidth != gameInfo.holdingsWidth ) {
2426 /* shift position to new playing area, if needed */
2427 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2428 for(i=0; i<BOARD_HEIGHT; i++)
2429 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2430 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2432 for(i=0; i<newHeight; i++) {
2433 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2434 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2436 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2437 for(i=0; i<BOARD_HEIGHT; i++)
2438 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2439 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2442 gameInfo.boardWidth = newWidth;
2443 gameInfo.boardHeight = newHeight;
2444 gameInfo.holdingsWidth = newHoldingsWidth;
2445 gameInfo.variant = newVariant;
2446 InitDrawingSizes(-2, 0);
2447 } else gameInfo.variant = newVariant;
2448 CopyBoard(oldBoard, board); // remember correctly formatted board
2449 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2450 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2453 static int loggedOn = FALSE;
2455 /*-- Game start info cache: --*/
2457 char gs_kind[MSG_SIZ];
2458 static char player1Name[128] = "";
2459 static char player2Name[128] = "";
2460 static char cont_seq[] = "\n\\ ";
2461 static int player1Rating = -1;
2462 static int player2Rating = -1;
2463 /*----------------------------*/
2465 ColorClass curColor = ColorNormal;
2466 int suppressKibitz = 0;
2469 Boolean soughtPending = FALSE;
2470 Boolean seekGraphUp;
2471 #define MAX_SEEK_ADS 200
2473 char *seekAdList[MAX_SEEK_ADS];
2474 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2475 float tcList[MAX_SEEK_ADS];
2476 char colorList[MAX_SEEK_ADS];
2477 int nrOfSeekAds = 0;
2478 int minRating = 1010, maxRating = 2800;
2479 int hMargin = 10, vMargin = 20, h, w;
2480 extern int squareSize, lineGap;
2485 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2486 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2487 if(r < minRating+100 && r >=0 ) r = minRating+100;
2488 if(r > maxRating) r = maxRating;
2489 if(tc < 1.) tc = 1.;
2490 if(tc > 95.) tc = 95.;
2491 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2492 y = ((double)r - minRating)/(maxRating - minRating)
2493 * (h-vMargin-squareSize/8-1) + vMargin;
2494 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2495 if(strstr(seekAdList[i], " u ")) color = 1;
2496 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2497 !strstr(seekAdList[i], "bullet") &&
2498 !strstr(seekAdList[i], "blitz") &&
2499 !strstr(seekAdList[i], "standard") ) color = 2;
2500 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2501 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2505 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2507 char buf[MSG_SIZ], *ext = "";
2508 VariantClass v = StringToVariant(type);
2509 if(strstr(type, "wild")) {
2510 ext = type + 4; // append wild number
2511 if(v == VariantFischeRandom) type = "chess960"; else
2512 if(v == VariantLoadable) type = "setup"; else
2513 type = VariantName(v);
2515 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2516 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2517 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2518 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2519 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2520 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2521 seekNrList[nrOfSeekAds] = nr;
2522 zList[nrOfSeekAds] = 0;
2523 seekAdList[nrOfSeekAds++] = StrSave(buf);
2524 if(plot) PlotSeekAd(nrOfSeekAds-1);
2529 EraseSeekDot (int i)
2531 int x = xList[i], y = yList[i], d=squareSize/4, k;
2532 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2533 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2534 // now replot every dot that overlapped
2535 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2536 int xx = xList[k], yy = yList[k];
2537 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2538 DrawSeekDot(xx, yy, colorList[k]);
2543 RemoveSeekAd (int nr)
2546 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2548 if(seekAdList[i]) free(seekAdList[i]);
2549 seekAdList[i] = seekAdList[--nrOfSeekAds];
2550 seekNrList[i] = seekNrList[nrOfSeekAds];
2551 ratingList[i] = ratingList[nrOfSeekAds];
2552 colorList[i] = colorList[nrOfSeekAds];
2553 tcList[i] = tcList[nrOfSeekAds];
2554 xList[i] = xList[nrOfSeekAds];
2555 yList[i] = yList[nrOfSeekAds];
2556 zList[i] = zList[nrOfSeekAds];
2557 seekAdList[nrOfSeekAds] = NULL;
2563 MatchSoughtLine (char *line)
2565 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2566 int nr, base, inc, u=0; char dummy;
2568 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2569 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2571 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2572 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2573 // match: compact and save the line
2574 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2584 if(!seekGraphUp) return FALSE;
2585 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2586 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2588 DrawSeekBackground(0, 0, w, h);
2589 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2590 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2591 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2592 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2594 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2597 snprintf(buf, MSG_SIZ, "%d", i);
2598 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2601 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2602 for(i=1; i<100; i+=(i<10?1:5)) {
2603 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2604 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2605 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2607 snprintf(buf, MSG_SIZ, "%d", i);
2608 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2611 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2616 SeekGraphClick (ClickType click, int x, int y, int moving)
2618 static int lastDown = 0, displayed = 0, lastSecond;
2619 if(y < 0) return FALSE;
2620 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2621 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2622 if(!seekGraphUp) return FALSE;
2623 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2624 DrawPosition(TRUE, NULL);
2627 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2628 if(click == Release || moving) return FALSE;
2630 soughtPending = TRUE;
2631 SendToICS(ics_prefix);
2632 SendToICS("sought\n"); // should this be "sought all"?
2633 } else { // issue challenge based on clicked ad
2634 int dist = 10000; int i, closest = 0, second = 0;
2635 for(i=0; i<nrOfSeekAds; i++) {
2636 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2637 if(d < dist) { dist = d; closest = i; }
2638 second += (d - zList[i] < 120); // count in-range ads
2639 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2643 second = (second > 1);
2644 if(displayed != closest || second != lastSecond) {
2645 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2646 lastSecond = second; displayed = closest;
2648 if(click == Press) {
2649 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2652 } // on press 'hit', only show info
2653 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2654 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2655 SendToICS(ics_prefix);
2657 return TRUE; // let incoming board of started game pop down the graph
2658 } else if(click == Release) { // release 'miss' is ignored
2659 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2660 if(moving == 2) { // right up-click
2661 nrOfSeekAds = 0; // refresh graph
2662 soughtPending = TRUE;
2663 SendToICS(ics_prefix);
2664 SendToICS("sought\n"); // should this be "sought all"?
2667 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2668 // press miss or release hit 'pop down' seek graph
2669 seekGraphUp = FALSE;
2670 DrawPosition(TRUE, NULL);
2676 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2678 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2679 #define STARTED_NONE 0
2680 #define STARTED_MOVES 1
2681 #define STARTED_BOARD 2
2682 #define STARTED_OBSERVE 3
2683 #define STARTED_HOLDINGS 4
2684 #define STARTED_CHATTER 5
2685 #define STARTED_COMMENT 6
2686 #define STARTED_MOVES_NOHIDE 7
2688 static int started = STARTED_NONE;
2689 static char parse[20000];
2690 static int parse_pos = 0;
2691 static char buf[BUF_SIZE + 1];
2692 static int firstTime = TRUE, intfSet = FALSE;
2693 static ColorClass prevColor = ColorNormal;
2694 static int savingComment = FALSE;
2695 static int cmatch = 0; // continuation sequence match
2702 int backup; /* [DM] For zippy color lines */
2704 char talker[MSG_SIZ]; // [HGM] chat
2707 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2709 if (appData.debugMode) {
2711 fprintf(debugFP, "<ICS: ");
2712 show_bytes(debugFP, data, count);
2713 fprintf(debugFP, "\n");
2717 if (appData.debugMode) { int f = forwardMostMove;
2718 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2719 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2720 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2723 /* If last read ended with a partial line that we couldn't parse,
2724 prepend it to the new read and try again. */
2725 if (leftover_len > 0) {
2726 for (i=0; i<leftover_len; i++)
2727 buf[i] = buf[leftover_start + i];
2730 /* copy new characters into the buffer */
2731 bp = buf + leftover_len;
2732 buf_len=leftover_len;
2733 for (i=0; i<count; i++)
2736 if (data[i] == '\r')
2739 // join lines split by ICS?
2740 if (!appData.noJoin)
2743 Joining just consists of finding matches against the
2744 continuation sequence, and discarding that sequence
2745 if found instead of copying it. So, until a match
2746 fails, there's nothing to do since it might be the
2747 complete sequence, and thus, something we don't want
2750 if (data[i] == cont_seq[cmatch])
2753 if (cmatch == strlen(cont_seq))
2755 cmatch = 0; // complete match. just reset the counter
2758 it's possible for the ICS to not include the space
2759 at the end of the last word, making our [correct]
2760 join operation fuse two separate words. the server
2761 does this when the space occurs at the width setting.
2763 if (!buf_len || buf[buf_len-1] != ' ')
2774 match failed, so we have to copy what matched before
2775 falling through and copying this character. In reality,
2776 this will only ever be just the newline character, but
2777 it doesn't hurt to be precise.
2779 strncpy(bp, cont_seq, cmatch);
2791 buf[buf_len] = NULLCHAR;
2792 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2797 while (i < buf_len) {
2798 /* Deal with part of the TELNET option negotiation
2799 protocol. We refuse to do anything beyond the
2800 defaults, except that we allow the WILL ECHO option,
2801 which ICS uses to turn off password echoing when we are
2802 directly connected to it. We reject this option
2803 if localLineEditing mode is on (always on in xboard)
2804 and we are talking to port 23, which might be a real
2805 telnet server that will try to keep WILL ECHO on permanently.
2807 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2808 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2809 unsigned char option;
2811 switch ((unsigned char) buf[++i]) {
2813 if (appData.debugMode)
2814 fprintf(debugFP, "\n<WILL ");
2815 switch (option = (unsigned char) buf[++i]) {
2817 if (appData.debugMode)
2818 fprintf(debugFP, "ECHO ");
2819 /* Reply only if this is a change, according
2820 to the protocol rules. */
2821 if (remoteEchoOption) break;
2822 if (appData.localLineEditing &&
2823 atoi(appData.icsPort) == TN_PORT) {
2824 TelnetRequest(TN_DONT, TN_ECHO);
2827 TelnetRequest(TN_DO, TN_ECHO);
2828 remoteEchoOption = TRUE;
2832 if (appData.debugMode)
2833 fprintf(debugFP, "%d ", option);
2834 /* Whatever this is, we don't want it. */
2835 TelnetRequest(TN_DONT, option);
2840 if (appData.debugMode)
2841 fprintf(debugFP, "\n<WONT ");
2842 switch (option = (unsigned char) buf[++i]) {
2844 if (appData.debugMode)
2845 fprintf(debugFP, "ECHO ");
2846 /* Reply only if this is a change, according
2847 to the protocol rules. */
2848 if (!remoteEchoOption) break;
2850 TelnetRequest(TN_DONT, TN_ECHO);
2851 remoteEchoOption = FALSE;
2854 if (appData.debugMode)
2855 fprintf(debugFP, "%d ", (unsigned char) option);
2856 /* Whatever this is, it must already be turned
2857 off, because we never agree to turn on
2858 anything non-default, so according to the
2859 protocol rules, we don't reply. */
2864 if (appData.debugMode)
2865 fprintf(debugFP, "\n<DO ");
2866 switch (option = (unsigned char) buf[++i]) {
2868 /* Whatever this is, we refuse to do it. */
2869 if (appData.debugMode)
2870 fprintf(debugFP, "%d ", option);
2871 TelnetRequest(TN_WONT, option);
2876 if (appData.debugMode)
2877 fprintf(debugFP, "\n<DONT ");
2878 switch (option = (unsigned char) buf[++i]) {
2880 if (appData.debugMode)
2881 fprintf(debugFP, "%d ", option);
2882 /* Whatever this is, we are already not doing
2883 it, because we never agree to do anything
2884 non-default, so according to the protocol
2885 rules, we don't reply. */
2890 if (appData.debugMode)
2891 fprintf(debugFP, "\n<IAC ");
2892 /* Doubled IAC; pass it through */
2896 if (appData.debugMode)
2897 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2898 /* Drop all other telnet commands on the floor */
2901 if (oldi > next_out)
2902 SendToPlayer(&buf[next_out], oldi - next_out);
2908 /* OK, this at least will *usually* work */
2909 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2913 if (loggedOn && !intfSet) {
2914 if (ics_type == ICS_ICC) {
2915 snprintf(str, MSG_SIZ,
2916 "/set-quietly interface %s\n/set-quietly style 12\n",
2918 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2919 strcat(str, "/set-2 51 1\n/set seek 1\n");
2920 } else if (ics_type == ICS_CHESSNET) {
2921 snprintf(str, MSG_SIZ, "/style 12\n");
2923 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2924 strcat(str, programVersion);
2925 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2926 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2927 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2929 strcat(str, "$iset nohighlight 1\n");
2931 strcat(str, "$iset lock 1\n$style 12\n");
2934 NotifyFrontendLogin();
2938 if (started == STARTED_COMMENT) {
2939 /* Accumulate characters in comment */
2940 parse[parse_pos++] = buf[i];
2941 if (buf[i] == '\n') {
2942 parse[parse_pos] = NULLCHAR;
2943 if(chattingPartner>=0) {
2945 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2946 OutputChatMessage(chattingPartner, mess);
2947 chattingPartner = -1;
2948 next_out = i+1; // [HGM] suppress printing in ICS window
2950 if(!suppressKibitz) // [HGM] kibitz
2951 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2952 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2953 int nrDigit = 0, nrAlph = 0, j;
2954 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2955 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2956 parse[parse_pos] = NULLCHAR;
2957 // try to be smart: if it does not look like search info, it should go to
2958 // ICS interaction window after all, not to engine-output window.
2959 for(j=0; j<parse_pos; j++) { // count letters and digits
2960 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2961 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2962 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2964 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2965 int depth=0; float score;
2966 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2967 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2968 pvInfoList[forwardMostMove-1].depth = depth;
2969 pvInfoList[forwardMostMove-1].score = 100*score;
2971 OutputKibitz(suppressKibitz, parse);
2974 if(gameMode == IcsObserving) // restore original ICS messages
2975 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2977 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2978 SendToPlayer(tmp, strlen(tmp));
2980 next_out = i+1; // [HGM] suppress printing in ICS window
2982 started = STARTED_NONE;
2984 /* Don't match patterns against characters in comment */
2989 if (started == STARTED_CHATTER) {
2990 if (buf[i] != '\n') {
2991 /* Don't match patterns against characters in chatter */
2995 started = STARTED_NONE;
2996 if(suppressKibitz) next_out = i+1;
2999 /* Kludge to deal with rcmd protocol */
3000 if (firstTime && looking_at(buf, &i, "\001*")) {
3001 DisplayFatalError(&buf[1], 0, 1);
3007 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3010 if (appData.debugMode)
3011 fprintf(debugFP, "ics_type %d\n", ics_type);
3014 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3015 ics_type = ICS_FICS;
3017 if (appData.debugMode)
3018 fprintf(debugFP, "ics_type %d\n", ics_type);
3021 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3022 ics_type = ICS_CHESSNET;
3024 if (appData.debugMode)
3025 fprintf(debugFP, "ics_type %d\n", ics_type);
3030 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3031 looking_at(buf, &i, "Logging you in as \"*\"") ||
3032 looking_at(buf, &i, "will be \"*\""))) {
3033 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3037 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3039 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3040 DisplayIcsInteractionTitle(buf);
3041 have_set_title = TRUE;
3044 /* skip finger notes */
3045 if (started == STARTED_NONE &&
3046 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3047 (buf[i] == '1' && buf[i+1] == '0')) &&
3048 buf[i+2] == ':' && buf[i+3] == ' ') {
3049 started = STARTED_CHATTER;
3055 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3056 if(appData.seekGraph) {
3057 if(soughtPending && MatchSoughtLine(buf+i)) {
3058 i = strstr(buf+i, "rated") - buf;
3059 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3060 next_out = leftover_start = i;
3061 started = STARTED_CHATTER;
3062 suppressKibitz = TRUE;
3065 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3066 && looking_at(buf, &i, "* ads displayed")) {
3067 soughtPending = FALSE;
3072 if(appData.autoRefresh) {
3073 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3074 int s = (ics_type == ICS_ICC); // ICC format differs
3076 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3077 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3078 looking_at(buf, &i, "*% "); // eat prompt
3079 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3080 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3081 next_out = i; // suppress
3084 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3085 char *p = star_match[0];
3087 if(seekGraphUp) RemoveSeekAd(atoi(p));
3088 while(*p && *p++ != ' '); // next
3090 looking_at(buf, &i, "*% "); // eat prompt
3091 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3098 /* skip formula vars */
3099 if (started == STARTED_NONE &&
3100 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3101 started = STARTED_CHATTER;
3106 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3107 if (appData.autoKibitz && started == STARTED_NONE &&
3108 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3109 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3110 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3111 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3112 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3113 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3114 suppressKibitz = TRUE;
3115 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3117 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3118 && (gameMode == IcsPlayingWhite)) ||
3119 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3120 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3121 started = STARTED_CHATTER; // own kibitz we simply discard
3123 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3124 parse_pos = 0; parse[0] = NULLCHAR;
3125 savingComment = TRUE;
3126 suppressKibitz = gameMode != IcsObserving ? 2 :
3127 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3131 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3132 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3133 && atoi(star_match[0])) {
3134 // suppress the acknowledgements of our own autoKibitz
3136 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3137 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3138 SendToPlayer(star_match[0], strlen(star_match[0]));
3139 if(looking_at(buf, &i, "*% ")) // eat prompt
3140 suppressKibitz = FALSE;
3144 } // [HGM] kibitz: end of patch
3146 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3148 // [HGM] chat: intercept tells by users for which we have an open chat window
3150 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3151 looking_at(buf, &i, "* whispers:") ||
3152 looking_at(buf, &i, "* kibitzes:") ||
3153 looking_at(buf, &i, "* shouts:") ||
3154 looking_at(buf, &i, "* c-shouts:") ||
3155 looking_at(buf, &i, "--> * ") ||
3156 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3157 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3158 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3159 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3161 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3162 chattingPartner = -1;
3164 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3165 for(p=0; p<MAX_CHAT; p++) {
3166 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3167 talker[0] = '['; strcat(talker, "] ");
3168 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3169 chattingPartner = p; break;
3172 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3173 for(p=0; p<MAX_CHAT; p++) {
3174 if(!strcmp("kibitzes", chatPartner[p])) {
3175 talker[0] = '['; strcat(talker, "] ");
3176 chattingPartner = p; break;
3179 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3180 for(p=0; p<MAX_CHAT; p++) {
3181 if(!strcmp("whispers", chatPartner[p])) {
3182 talker[0] = '['; strcat(talker, "] ");
3183 chattingPartner = p; break;
3186 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3187 if(buf[i-8] == '-' && buf[i-3] == 't')
3188 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3189 if(!strcmp("c-shouts", chatPartner[p])) {
3190 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3191 chattingPartner = p; break;
3194 if(chattingPartner < 0)
3195 for(p=0; p<MAX_CHAT; p++) {
3196 if(!strcmp("shouts", chatPartner[p])) {
3197 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3198 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3199 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3200 chattingPartner = p; break;
3204 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3205 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3206 talker[0] = 0; Colorize(ColorTell, FALSE);
3207 chattingPartner = p; break;
3209 if(chattingPartner<0) i = oldi; else {
3210 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3211 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3212 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3213 started = STARTED_COMMENT;
3214 parse_pos = 0; parse[0] = NULLCHAR;
3215 savingComment = 3 + chattingPartner; // counts as TRUE
3216 suppressKibitz = TRUE;
3219 } // [HGM] chat: end of patch
3222 if (appData.zippyTalk || appData.zippyPlay) {
3223 /* [DM] Backup address for color zippy lines */
3225 if (loggedOn == TRUE)
3226 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3227 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3229 } // [DM] 'else { ' deleted
3231 /* Regular tells and says */
3232 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3233 looking_at(buf, &i, "* (your partner) tells you: ") ||
3234 looking_at(buf, &i, "* says: ") ||
3235 /* Don't color "message" or "messages" output */
3236 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3237 looking_at(buf, &i, "*. * at *:*: ") ||
3238 looking_at(buf, &i, "--* (*:*): ") ||
3239 /* Message notifications (same color as tells) */
3240 looking_at(buf, &i, "* has left a message ") ||
3241 looking_at(buf, &i, "* just sent you a message:\n") ||
3242 /* Whispers and kibitzes */
3243 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3244 looking_at(buf, &i, "* kibitzes: ") ||
3246 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3248 if (tkind == 1 && strchr(star_match[0], ':')) {
3249 /* Avoid "tells you:" spoofs in channels */
3252 if (star_match[0][0] == NULLCHAR ||
3253 strchr(star_match[0], ' ') ||
3254 (tkind == 3 && strchr(star_match[1], ' '))) {
3255 /* Reject bogus matches */
3258 if (appData.colorize) {
3259 if (oldi > next_out) {
3260 SendToPlayer(&buf[next_out], oldi - next_out);
3265 Colorize(ColorTell, FALSE);
3266 curColor = ColorTell;
3269 Colorize(ColorKibitz, FALSE);
3270 curColor = ColorKibitz;
3273 p = strrchr(star_match[1], '(');
3280 Colorize(ColorChannel1, FALSE);
3281 curColor = ColorChannel1;
3283 Colorize(ColorChannel, FALSE);
3284 curColor = ColorChannel;
3288 curColor = ColorNormal;
3292 if (started == STARTED_NONE && appData.autoComment &&
3293 (gameMode == IcsObserving ||
3294 gameMode == IcsPlayingWhite ||
3295 gameMode == IcsPlayingBlack)) {
3296 parse_pos = i - oldi;
3297 memcpy(parse, &buf[oldi], parse_pos);
3298 parse[parse_pos] = NULLCHAR;
3299 started = STARTED_COMMENT;
3300 savingComment = TRUE;
3302 started = STARTED_CHATTER;
3303 savingComment = FALSE;
3310 if (looking_at(buf, &i, "* s-shouts: ") ||
3311 looking_at(buf, &i, "* c-shouts: ")) {
3312 if (appData.colorize) {
3313 if (oldi > next_out) {
3314 SendToPlayer(&buf[next_out], oldi - next_out);
3317 Colorize(ColorSShout, FALSE);
3318 curColor = ColorSShout;
3321 started = STARTED_CHATTER;
3325 if (looking_at(buf, &i, "--->")) {
3330 if (looking_at(buf, &i, "* shouts: ") ||
3331 looking_at(buf, &i, "--> ")) {
3332 if (appData.colorize) {
3333 if (oldi > next_out) {
3334 SendToPlayer(&buf[next_out], oldi - next_out);
3337 Colorize(ColorShout, FALSE);
3338 curColor = ColorShout;
3341 started = STARTED_CHATTER;
3345 if (looking_at( buf, &i, "Challenge:")) {
3346 if (appData.colorize) {
3347 if (oldi > next_out) {
3348 SendToPlayer(&buf[next_out], oldi - next_out);
3351 Colorize(ColorChallenge, FALSE);
3352 curColor = ColorChallenge;
3358 if (looking_at(buf, &i, "* offers you") ||
3359 looking_at(buf, &i, "* offers to be") ||
3360 looking_at(buf, &i, "* would like to") ||
3361 looking_at(buf, &i, "* requests to") ||
3362 looking_at(buf, &i, "Your opponent offers") ||
3363 looking_at(buf, &i, "Your opponent requests")) {
3365 if (appData.colorize) {
3366 if (oldi > next_out) {
3367 SendToPlayer(&buf[next_out], oldi - next_out);
3370 Colorize(ColorRequest, FALSE);
3371 curColor = ColorRequest;
3376 if (looking_at(buf, &i, "* (*) seeking")) {
3377 if (appData.colorize) {
3378 if (oldi > next_out) {
3379 SendToPlayer(&buf[next_out], oldi - next_out);
3382 Colorize(ColorSeek, FALSE);
3383 curColor = ColorSeek;
3388 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3390 if (looking_at(buf, &i, "\\ ")) {
3391 if (prevColor != ColorNormal) {
3392 if (oldi > next_out) {
3393 SendToPlayer(&buf[next_out], oldi - next_out);
3396 Colorize(prevColor, TRUE);
3397 curColor = prevColor;
3399 if (savingComment) {
3400 parse_pos = i - oldi;
3401 memcpy(parse, &buf[oldi], parse_pos);
3402 parse[parse_pos] = NULLCHAR;
3403 started = STARTED_COMMENT;
3404 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3405 chattingPartner = savingComment - 3; // kludge to remember the box
3407 started = STARTED_CHATTER;
3412 if (looking_at(buf, &i, "Black Strength :") ||
3413 looking_at(buf, &i, "<<< style 10 board >>>") ||
3414 looking_at(buf, &i, "<10>") ||
3415 looking_at(buf, &i, "#@#")) {
3416 /* Wrong board style */
3418 SendToICS(ics_prefix);
3419 SendToICS("set style 12\n");
3420 SendToICS(ics_prefix);
3421 SendToICS("refresh\n");
3425 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3427 have_sent_ICS_logon = 1;
3431 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3432 (looking_at(buf, &i, "\n<12> ") ||
3433 looking_at(buf, &i, "<12> "))) {
3435 if (oldi > next_out) {
3436 SendToPlayer(&buf[next_out], oldi - next_out);
3439 started = STARTED_BOARD;
3444 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3445 looking_at(buf, &i, "<b1> ")) {
3446 if (oldi > next_out) {
3447 SendToPlayer(&buf[next_out], oldi - next_out);
3450 started = STARTED_HOLDINGS;
3455 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3457 /* Header for a move list -- first line */
3459 switch (ics_getting_history) {
3463 case BeginningOfGame:
3464 /* User typed "moves" or "oldmoves" while we
3465 were idle. Pretend we asked for these
3466 moves and soak them up so user can step
3467 through them and/or save them.
3470 gameMode = IcsObserving;
3473 ics_getting_history = H_GOT_UNREQ_HEADER;
3475 case EditGame: /*?*/
3476 case EditPosition: /*?*/
3477 /* Should above feature work in these modes too? */
3478 /* For now it doesn't */
3479 ics_getting_history = H_GOT_UNWANTED_HEADER;
3482 ics_getting_history = H_GOT_UNWANTED_HEADER;
3487 /* Is this the right one? */
3488 if (gameInfo.white && gameInfo.black &&
3489 strcmp(gameInfo.white, star_match[0]) == 0 &&
3490 strcmp(gameInfo.black, star_match[2]) == 0) {
3492 ics_getting_history = H_GOT_REQ_HEADER;
3495 case H_GOT_REQ_HEADER:
3496 case H_GOT_UNREQ_HEADER:
3497 case H_GOT_UNWANTED_HEADER:
3498 case H_GETTING_MOVES:
3499 /* Should not happen */
3500 DisplayError(_("Error gathering move list: two headers"), 0);
3501 ics_getting_history = H_FALSE;
3505 /* Save player ratings into gameInfo if needed */
3506 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3507 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3508 (gameInfo.whiteRating == -1 ||
3509 gameInfo.blackRating == -1)) {
3511 gameInfo.whiteRating = string_to_rating(star_match[1]);
3512 gameInfo.blackRating = string_to_rating(star_match[3]);
3513 if (appData.debugMode)
3514 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3515 gameInfo.whiteRating, gameInfo.blackRating);
3520 if (looking_at(buf, &i,
3521 "* * match, initial time: * minute*, increment: * second")) {
3522 /* Header for a move list -- second line */
3523 /* Initial board will follow if this is a wild game */
3524 if (gameInfo.event != NULL) free(gameInfo.event);
3525 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3526 gameInfo.event = StrSave(str);
3527 /* [HGM] we switched variant. Translate boards if needed. */
3528 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3532 if (looking_at(buf, &i, "Move ")) {
3533 /* Beginning of a move list */
3534 switch (ics_getting_history) {
3536 /* Normally should not happen */
3537 /* Maybe user hit reset while we were parsing */
3540 /* Happens if we are ignoring a move list that is not
3541 * the one we just requested. Common if the user
3542 * tries to observe two games without turning off
3545 case H_GETTING_MOVES:
3546 /* Should not happen */
3547 DisplayError(_("Error gathering move list: nested"), 0);
3548 ics_getting_history = H_FALSE;
3550 case H_GOT_REQ_HEADER:
3551 ics_getting_history = H_GETTING_MOVES;
3552 started = STARTED_MOVES;
3554 if (oldi > next_out) {
3555 SendToPlayer(&buf[next_out], oldi - next_out);
3558 case H_GOT_UNREQ_HEADER:
3559 ics_getting_history = H_GETTING_MOVES;
3560 started = STARTED_MOVES_NOHIDE;
3563 case H_GOT_UNWANTED_HEADER:
3564 ics_getting_history = H_FALSE;
3570 if (looking_at(buf, &i, "% ") ||
3571 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3572 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3573 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3574 soughtPending = FALSE;
3578 if(suppressKibitz) next_out = i;
3579 savingComment = FALSE;
3583 case STARTED_MOVES_NOHIDE:
3584 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3585 parse[parse_pos + i - oldi] = NULLCHAR;
3586 ParseGameHistory(parse);
3588 if (appData.zippyPlay && first.initDone) {
3589 FeedMovesToProgram(&first, forwardMostMove);
3590 if (gameMode == IcsPlayingWhite) {
3591 if (WhiteOnMove(forwardMostMove)) {
3592 if (first.sendTime) {
3593 if (first.useColors) {
3594 SendToProgram("black\n", &first);
3596 SendTimeRemaining(&first, TRUE);
3598 if (first.useColors) {
3599 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3601 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3602 first.maybeThinking = TRUE;
3604 if (first.usePlayother) {
3605 if (first.sendTime) {
3606 SendTimeRemaining(&first, TRUE);
3608 SendToProgram("playother\n", &first);
3614 } else if (gameMode == IcsPlayingBlack) {
3615 if (!WhiteOnMove(forwardMostMove)) {
3616 if (first.sendTime) {
3617 if (first.useColors) {
3618 SendToProgram("white\n", &first);
3620 SendTimeRemaining(&first, FALSE);
3622 if (first.useColors) {
3623 SendToProgram("black\n", &first);
3625 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3626 first.maybeThinking = TRUE;
3628 if (first.usePlayother) {
3629 if (first.sendTime) {
3630 SendTimeRemaining(&first, FALSE);
3632 SendToProgram("playother\n", &first);
3641 if (gameMode == IcsObserving && ics_gamenum == -1) {
3642 /* Moves came from oldmoves or moves command
3643 while we weren't doing anything else.
3645 currentMove = forwardMostMove;
3646 ClearHighlights();/*!!could figure this out*/
3647 flipView = appData.flipView;
3648 DrawPosition(TRUE, boards[currentMove]);
3649 DisplayBothClocks();
3650 snprintf(str, MSG_SIZ, "%s %s %s",
3651 gameInfo.white, _("vs."), gameInfo.black);
3655 /* Moves were history of an active game */
3656 if (gameInfo.resultDetails != NULL) {
3657 free(gameInfo.resultDetails);
3658 gameInfo.resultDetails = NULL;
3661 HistorySet(parseList, backwardMostMove,
3662 forwardMostMove, currentMove-1);
3663 DisplayMove(currentMove - 1);
3664 if (started == STARTED_MOVES) next_out = i;
3665 started = STARTED_NONE;
3666 ics_getting_history = H_FALSE;
3669 case STARTED_OBSERVE:
3670 started = STARTED_NONE;
3671 SendToICS(ics_prefix);
3672 SendToICS("refresh\n");
3678 if(bookHit) { // [HGM] book: simulate book reply
3679 static char bookMove[MSG_SIZ]; // a bit generous?
3681 programStats.nodes = programStats.depth = programStats.time =
3682 programStats.score = programStats.got_only_move = 0;
3683 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3685 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3686 strcat(bookMove, bookHit);
3687 HandleMachineMove(bookMove, &first);
3692 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3693 started == STARTED_HOLDINGS ||
3694 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3695 /* Accumulate characters in move list or board */
3696 parse[parse_pos++] = buf[i];
3699 /* Start of game messages. Mostly we detect start of game
3700 when the first board image arrives. On some versions
3701 of the ICS, though, we need to do a "refresh" after starting
3702 to observe in order to get the current board right away. */
3703 if (looking_at(buf, &i, "Adding game * to observation list")) {
3704 started = STARTED_OBSERVE;
3708 /* Handle auto-observe */
3709 if (appData.autoObserve &&
3710 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3711 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3713 /* Choose the player that was highlighted, if any. */
3714 if (star_match[0][0] == '\033' ||
3715 star_match[1][0] != '\033') {
3716 player = star_match[0];
3718 player = star_match[2];
3720 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3721 ics_prefix, StripHighlightAndTitle(player));
3724 /* Save ratings from notify string */
3725 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3726 player1Rating = string_to_rating(star_match[1]);
3727 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3728 player2Rating = string_to_rating(star_match[3]);
3730 if (appData.debugMode)
3732 "Ratings from 'Game notification:' %s %d, %s %d\n",
3733 player1Name, player1Rating,
3734 player2Name, player2Rating);
3739 /* Deal with automatic examine mode after a game,
3740 and with IcsObserving -> IcsExamining transition */
3741 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3742 looking_at(buf, &i, "has made you an examiner of game *")) {
3744 int gamenum = atoi(star_match[0]);
3745 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3746 gamenum == ics_gamenum) {
3747 /* We were already playing or observing this game;
3748 no need to refetch history */
3749 gameMode = IcsExamining;
3751 pauseExamForwardMostMove = forwardMostMove;
3752 } else if (currentMove < forwardMostMove) {
3753 ForwardInner(forwardMostMove);
3756 /* I don't think this case really can happen */
3757 SendToICS(ics_prefix);
3758 SendToICS("refresh\n");
3763 /* Error messages */
3764 // if (ics_user_moved) {
3765 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3766 if (looking_at(buf, &i, "Illegal move") ||
3767 looking_at(buf, &i, "Not a legal move") ||
3768 looking_at(buf, &i, "Your king is in check") ||
3769 looking_at(buf, &i, "It isn't your turn") ||
3770 looking_at(buf, &i, "It is not your move")) {
3772 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3773 currentMove = forwardMostMove-1;
3774 DisplayMove(currentMove - 1); /* before DMError */
3775 DrawPosition(FALSE, boards[currentMove]);
3776 SwitchClocks(forwardMostMove-1); // [HGM] race
3777 DisplayBothClocks();
3779 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3785 if (looking_at(buf, &i, "still have time") ||
3786 looking_at(buf, &i, "not out of time") ||
3787 looking_at(buf, &i, "either player is out of time") ||
3788 looking_at(buf, &i, "has timeseal; checking")) {
3789 /* We must have called his flag a little too soon */
3790 whiteFlag = blackFlag = FALSE;
3794 if (looking_at(buf, &i, "added * seconds to") ||
3795 looking_at(buf, &i, "seconds were added to")) {
3796 /* Update the clocks */
3797 SendToICS(ics_prefix);
3798 SendToICS("refresh\n");
3802 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3803 ics_clock_paused = TRUE;
3808 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3809 ics_clock_paused = FALSE;
3814 /* Grab player ratings from the Creating: message.
3815 Note we have to check for the special case when
3816 the ICS inserts things like [white] or [black]. */
3817 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3818 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3820 0 player 1 name (not necessarily white)
3822 2 empty, white, or black (IGNORED)
3823 3 player 2 name (not necessarily black)
3826 The names/ratings are sorted out when the game
3827 actually starts (below).
3829 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3830 player1Rating = string_to_rating(star_match[1]);
3831 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3832 player2Rating = string_to_rating(star_match[4]);
3834 if (appData.debugMode)
3836 "Ratings from 'Creating:' %s %d, %s %d\n",
3837 player1Name, player1Rating,
3838 player2Name, player2Rating);
3843 /* Improved generic start/end-of-game messages */
3844 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3845 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3846 /* If tkind == 0: */
3847 /* star_match[0] is the game number */
3848 /* [1] is the white player's name */
3849 /* [2] is the black player's name */
3850 /* For end-of-game: */
3851 /* [3] is the reason for the game end */
3852 /* [4] is a PGN end game-token, preceded by " " */
3853 /* For start-of-game: */
3854 /* [3] begins with "Creating" or "Continuing" */
3855 /* [4] is " *" or empty (don't care). */
3856 int gamenum = atoi(star_match[0]);
3857 char *whitename, *blackname, *why, *endtoken;
3858 ChessMove endtype = EndOfFile;
3861 whitename = star_match[1];
3862 blackname = star_match[2];
3863 why = star_match[3];
3864 endtoken = star_match[4];
3866 whitename = star_match[1];
3867 blackname = star_match[3];
3868 why = star_match[5];
3869 endtoken = star_match[6];
3872 /* Game start messages */
3873 if (strncmp(why, "Creating ", 9) == 0 ||
3874 strncmp(why, "Continuing ", 11) == 0) {
3875 gs_gamenum = gamenum;
3876 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3877 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3878 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3880 if (appData.zippyPlay) {
3881 ZippyGameStart(whitename, blackname);
3884 partnerBoardValid = FALSE; // [HGM] bughouse
3888 /* Game end messages */
3889 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3890 ics_gamenum != gamenum) {
3893 while (endtoken[0] == ' ') endtoken++;
3894 switch (endtoken[0]) {
3897 endtype = GameUnfinished;
3900 endtype = BlackWins;
3903 if (endtoken[1] == '/')
3904 endtype = GameIsDrawn;
3906 endtype = WhiteWins;
3909 GameEnds(endtype, why, GE_ICS);
3911 if (appData.zippyPlay && first.initDone) {
3912 ZippyGameEnd(endtype, why);
3913 if (first.pr == NoProc) {
3914 /* Start the next process early so that we'll
3915 be ready for the next challenge */
3916 StartChessProgram(&first);
3918 /* Send "new" early, in case this command takes
3919 a long time to finish, so that we'll be ready
3920 for the next challenge. */
3921 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3925 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3929 if (looking_at(buf, &i, "Removing game * from observation") ||
3930 looking_at(buf, &i, "no longer observing game *") ||
3931 looking_at(buf, &i, "Game * (*) has no examiners")) {
3932 if (gameMode == IcsObserving &&
3933 atoi(star_match[0]) == ics_gamenum)
3935 /* icsEngineAnalyze */
3936 if (appData.icsEngineAnalyze) {
3943 ics_user_moved = FALSE;
3948 if (looking_at(buf, &i, "no longer examining game *")) {
3949 if (gameMode == IcsExamining &&
3950 atoi(star_match[0]) == ics_gamenum)
3954 ics_user_moved = FALSE;
3959 /* Advance leftover_start past any newlines we find,
3960 so only partial lines can get reparsed */
3961 if (looking_at(buf, &i, "\n")) {
3962 prevColor = curColor;
3963 if (curColor != ColorNormal) {
3964 if (oldi > next_out) {
3965 SendToPlayer(&buf[next_out], oldi - next_out);
3968 Colorize(ColorNormal, FALSE);
3969 curColor = ColorNormal;
3971 if (started == STARTED_BOARD) {
3972 started = STARTED_NONE;
3973 parse[parse_pos] = NULLCHAR;
3974 ParseBoard12(parse);
3977 /* Send premove here */
3978 if (appData.premove) {
3980 if (currentMove == 0 &&
3981 gameMode == IcsPlayingWhite &&
3982 appData.premoveWhite) {
3983 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3984 if (appData.debugMode)
3985 fprintf(debugFP, "Sending premove:\n");
3987 } else if (currentMove == 1 &&
3988 gameMode == IcsPlayingBlack &&
3989 appData.premoveBlack) {
3990 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3991 if (appData.debugMode)
3992 fprintf(debugFP, "Sending premove:\n");
3994 } else if (gotPremove) {
3996 ClearPremoveHighlights();
3997 if (appData.debugMode)
3998 fprintf(debugFP, "Sending premove:\n");
3999 UserMoveEvent(premoveFromX, premoveFromY,
4000 premoveToX, premoveToY,
4005 /* Usually suppress following prompt */
4006 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4007 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4008 if (looking_at(buf, &i, "*% ")) {
4009 savingComment = FALSE;
4014 } else if (started == STARTED_HOLDINGS) {
4016 char new_piece[MSG_SIZ];
4017 started = STARTED_NONE;
4018 parse[parse_pos] = NULLCHAR;
4019 if (appData.debugMode)
4020 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4021 parse, currentMove);
4022 if (sscanf(parse, " game %d", &gamenum) == 1) {
4023 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4024 if (gameInfo.variant == VariantNormal) {
4025 /* [HGM] We seem to switch variant during a game!
4026 * Presumably no holdings were displayed, so we have
4027 * to move the position two files to the right to
4028 * create room for them!
4030 VariantClass newVariant;
4031 switch(gameInfo.boardWidth) { // base guess on board width
4032 case 9: newVariant = VariantShogi; break;
4033 case 10: newVariant = VariantGreat; break;
4034 default: newVariant = VariantCrazyhouse; break;
4036 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4037 /* Get a move list just to see the header, which
4038 will tell us whether this is really bug or zh */
4039 if (ics_getting_history == H_FALSE) {
4040 ics_getting_history = H_REQUESTED;
4041 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4045 new_piece[0] = NULLCHAR;
4046 sscanf(parse, "game %d white [%s black [%s <- %s",
4047 &gamenum, white_holding, black_holding,
4049 white_holding[strlen(white_holding)-1] = NULLCHAR;
4050 black_holding[strlen(black_holding)-1] = NULLCHAR;
4051 /* [HGM] copy holdings to board holdings area */
4052 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4053 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4054 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4056 if (appData.zippyPlay && first.initDone) {
4057 ZippyHoldings(white_holding, black_holding,
4061 if (tinyLayout || smallLayout) {
4062 char wh[16], bh[16];
4063 PackHolding(wh, white_holding);
4064 PackHolding(bh, black_holding);
4065 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4066 gameInfo.white, gameInfo.black);
4068 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4069 gameInfo.white, white_holding, _("vs."),
4070 gameInfo.black, black_holding);
4072 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4073 DrawPosition(FALSE, boards[currentMove]);
4075 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4076 sscanf(parse, "game %d white [%s black [%s <- %s",
4077 &gamenum, white_holding, black_holding,
4079 white_holding[strlen(white_holding)-1] = NULLCHAR;
4080 black_holding[strlen(black_holding)-1] = NULLCHAR;
4081 /* [HGM] copy holdings to partner-board holdings area */
4082 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4083 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4084 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4085 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4086 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4089 /* Suppress following prompt */
4090 if (looking_at(buf, &i, "*% ")) {
4091 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4092 savingComment = FALSE;
4100 i++; /* skip unparsed character and loop back */
4103 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4104 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4105 // SendToPlayer(&buf[next_out], i - next_out);
4106 started != STARTED_HOLDINGS && leftover_start > next_out) {
4107 SendToPlayer(&buf[next_out], leftover_start - next_out);
4111 leftover_len = buf_len - leftover_start;
4112 /* if buffer ends with something we couldn't parse,
4113 reparse it after appending the next read */
4115 } else if (count == 0) {
4116 RemoveInputSource(isr);
4117 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4119 DisplayFatalError(_("Error reading from ICS"), error, 1);
4124 /* Board style 12 looks like this:
4126 <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
4128 * The "<12> " is stripped before it gets to this routine. The two
4129 * trailing 0's (flip state and clock ticking) are later addition, and
4130 * some chess servers may not have them, or may have only the first.
4131 * Additional trailing fields may be added in the future.
4134 #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"
4136 #define RELATION_OBSERVING_PLAYED 0
4137 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4138 #define RELATION_PLAYING_MYMOVE 1
4139 #define RELATION_PLAYING_NOTMYMOVE -1
4140 #define RELATION_EXAMINING 2
4141 #define RELATION_ISOLATED_BOARD -3
4142 #define RELATION_STARTING_POSITION -4 /* FICS only */
4145 ParseBoard12 (char *string)
4147 GameMode newGameMode;
4148 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4149 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4150 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4151 char to_play, board_chars[200];
4152 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4153 char black[32], white[32];
4155 int prevMove = currentMove;
4158 int fromX, fromY, toX, toY;
4160 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4161 char *bookHit = NULL; // [HGM] book
4162 Boolean weird = FALSE, reqFlag = FALSE;
4164 fromX = fromY = toX = toY = -1;
4168 if (appData.debugMode)
4169 fprintf(debugFP, _("Parsing board: %s\n"), string);
4171 move_str[0] = NULLCHAR;
4172 elapsed_time[0] = NULLCHAR;
4173 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4175 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4176 if(string[i] == ' ') { ranks++; files = 0; }
4178 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4181 for(j = 0; j <i; j++) board_chars[j] = string[j];
4182 board_chars[i] = '\0';
4185 n = sscanf(string, PATTERN, &to_play, &double_push,
4186 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4187 &gamenum, white, black, &relation, &basetime, &increment,
4188 &white_stren, &black_stren, &white_time, &black_time,
4189 &moveNum, str, elapsed_time, move_str, &ics_flip,
4193 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4194 DisplayError(str, 0);
4198 /* Convert the move number to internal form */
4199 moveNum = (moveNum - 1) * 2;
4200 if (to_play == 'B') moveNum++;
4201 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4202 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4208 case RELATION_OBSERVING_PLAYED:
4209 case RELATION_OBSERVING_STATIC:
4210 if (gamenum == -1) {
4211 /* Old ICC buglet */
4212 relation = RELATION_OBSERVING_STATIC;
4214 newGameMode = IcsObserving;
4216 case RELATION_PLAYING_MYMOVE:
4217 case RELATION_PLAYING_NOTMYMOVE:
4219 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4220 IcsPlayingWhite : IcsPlayingBlack;
4221 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4223 case RELATION_EXAMINING:
4224 newGameMode = IcsExamining;
4226 case RELATION_ISOLATED_BOARD:
4228 /* Just display this board. If user was doing something else,
4229 we will forget about it until the next board comes. */
4230 newGameMode = IcsIdle;
4232 case RELATION_STARTING_POSITION:
4233 newGameMode = gameMode;
4237 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4238 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4239 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4241 for (k = 0; k < ranks; k++) {
4242 for (j = 0; j < files; j++)
4243 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4244 if(gameInfo.holdingsWidth > 1) {
4245 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4246 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4249 CopyBoard(partnerBoard, board);
4250 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4251 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4252 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4253 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4254 if(toSqr = strchr(str, '-')) {
4255 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4256 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4257 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4258 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4259 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4260 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4261 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4262 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4263 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4264 DisplayMessage(partnerStatus, "");
4265 partnerBoardValid = TRUE;
4269 /* Modify behavior for initial board display on move listing
4272 switch (ics_getting_history) {
4276 case H_GOT_REQ_HEADER:
4277 case H_GOT_UNREQ_HEADER:
4278 /* This is the initial position of the current game */
4279 gamenum = ics_gamenum;
4280 moveNum = 0; /* old ICS bug workaround */
4281 if (to_play == 'B') {
4282 startedFromSetupPosition = TRUE;
4283 blackPlaysFirst = TRUE;
4285 if (forwardMostMove == 0) forwardMostMove = 1;
4286 if (backwardMostMove == 0) backwardMostMove = 1;
4287 if (currentMove == 0) currentMove = 1;
4289 newGameMode = gameMode;
4290 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4292 case H_GOT_UNWANTED_HEADER:
4293 /* This is an initial board that we don't want */
4295 case H_GETTING_MOVES:
4296 /* Should not happen */
4297 DisplayError(_("Error gathering move list: extra board"), 0);
4298 ics_getting_history = H_FALSE;
4302 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4303 weird && (int)gameInfo.variant < (int)VariantShogi) {
4304 /* [HGM] We seem to have switched variant unexpectedly
4305 * Try to guess new variant from board size
4307 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4308 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4309 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4310 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4311 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4312 if(!weird) newVariant = VariantNormal;
4313 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4314 /* Get a move list just to see the header, which
4315 will tell us whether this is really bug or zh */
4316 if (ics_getting_history == H_FALSE) {
4317 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4318 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4323 /* Take action if this is the first board of a new game, or of a
4324 different game than is currently being displayed. */
4325 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4326 relation == RELATION_ISOLATED_BOARD) {
4328 /* Forget the old game and get the history (if any) of the new one */
4329 if (gameMode != BeginningOfGame) {
4333 if (appData.autoRaiseBoard) BoardToTop();
4335 if (gamenum == -1) {
4336 newGameMode = IcsIdle;
4337 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4338 appData.getMoveList && !reqFlag) {
4339 /* Need to get game history */
4340 ics_getting_history = H_REQUESTED;
4341 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4345 /* Initially flip the board to have black on the bottom if playing
4346 black or if the ICS flip flag is set, but let the user change
4347 it with the Flip View button. */
4348 flipView = appData.autoFlipView ?
4349 (newGameMode == IcsPlayingBlack) || ics_flip :
4352 /* Done with values from previous mode; copy in new ones */
4353 gameMode = newGameMode;
4355 ics_gamenum = gamenum;
4356 if (gamenum == gs_gamenum) {
4357 int klen = strlen(gs_kind);
4358 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4359 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4360 gameInfo.event = StrSave(str);
4362 gameInfo.event = StrSave("ICS game");
4364 gameInfo.site = StrSave(appData.icsHost);
4365 gameInfo.date = PGNDate();
4366 gameInfo.round = StrSave("-");
4367 gameInfo.white = StrSave(white);
4368 gameInfo.black = StrSave(black);
4369 timeControl = basetime * 60 * 1000;
4371 timeIncrement = increment * 1000;
4372 movesPerSession = 0;
4373 gameInfo.timeControl = TimeControlTagValue();
4374 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4375 if (appData.debugMode) {
4376 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4377 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4378 setbuf(debugFP, NULL);
4381 gameInfo.outOfBook = NULL;
4383 /* Do we have the ratings? */
4384 if (strcmp(player1Name, white) == 0 &&
4385 strcmp(player2Name, black) == 0) {
4386 if (appData.debugMode)
4387 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4388 player1Rating, player2Rating);
4389 gameInfo.whiteRating = player1Rating;
4390 gameInfo.blackRating = player2Rating;
4391 } else if (strcmp(player2Name, white) == 0 &&
4392 strcmp(player1Name, black) == 0) {
4393 if (appData.debugMode)
4394 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4395 player2Rating, player1Rating);
4396 gameInfo.whiteRating = player2Rating;
4397 gameInfo.blackRating = player1Rating;
4399 player1Name[0] = player2Name[0] = NULLCHAR;
4401 /* Silence shouts if requested */
4402 if (appData.quietPlay &&
4403 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4404 SendToICS(ics_prefix);
4405 SendToICS("set shout 0\n");
4409 /* Deal with midgame name changes */
4411 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4412 if (gameInfo.white) free(gameInfo.white);
4413 gameInfo.white = StrSave(white);
4415 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4416 if (gameInfo.black) free(gameInfo.black);
4417 gameInfo.black = StrSave(black);
4421 /* Throw away game result if anything actually changes in examine mode */
4422 if (gameMode == IcsExamining && !newGame) {
4423 gameInfo.result = GameUnfinished;
4424 if (gameInfo.resultDetails != NULL) {
4425 free(gameInfo.resultDetails);
4426 gameInfo.resultDetails = NULL;
4430 /* In pausing && IcsExamining mode, we ignore boards coming
4431 in if they are in a different variation than we are. */
4432 if (pauseExamInvalid) return;
4433 if (pausing && gameMode == IcsExamining) {
4434 if (moveNum <= pauseExamForwardMostMove) {
4435 pauseExamInvalid = TRUE;
4436 forwardMostMove = pauseExamForwardMostMove;
4441 if (appData.debugMode) {
4442 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4444 /* Parse the board */
4445 for (k = 0; k < ranks; k++) {
4446 for (j = 0; j < files; j++)
4447 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4448 if(gameInfo.holdingsWidth > 1) {
4449 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4450 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4453 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4454 board[5][BOARD_RGHT+1] = WhiteAngel;
4455 board[6][BOARD_RGHT+1] = WhiteMarshall;
4456 board[1][0] = BlackMarshall;
4457 board[2][0] = BlackAngel;
4458 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4460 CopyBoard(boards[moveNum], board);
4461 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4463 startedFromSetupPosition =
4464 !CompareBoards(board, initialPosition);
4465 if(startedFromSetupPosition)
4466 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4469 /* [HGM] Set castling rights. Take the outermost Rooks,
4470 to make it also work for FRC opening positions. Note that board12
4471 is really defective for later FRC positions, as it has no way to
4472 indicate which Rook can castle if they are on the same side of King.
4473 For the initial position we grant rights to the outermost Rooks,
4474 and remember thos rights, and we then copy them on positions
4475 later in an FRC game. This means WB might not recognize castlings with
4476 Rooks that have moved back to their original position as illegal,
4477 but in ICS mode that is not its job anyway.
4479 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4480 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4482 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4483 if(board[0][i] == WhiteRook) j = i;
4484 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4485 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4486 if(board[0][i] == WhiteRook) j = i;
4487 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4488 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4489 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4490 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4491 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4492 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4493 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4495 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4496 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4497 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4498 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4499 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4500 if(board[BOARD_HEIGHT-1][k] == bKing)
4501 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4502 if(gameInfo.variant == VariantTwoKings) {
4503 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4504 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4505 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4508 r = boards[moveNum][CASTLING][0] = initialRights[0];
4509 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4510 r = boards[moveNum][CASTLING][1] = initialRights[1];
4511 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4512 r = boards[moveNum][CASTLING][3] = initialRights[3];
4513 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4514 r = boards[moveNum][CASTLING][4] = initialRights[4];
4515 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4516 /* wildcastle kludge: always assume King has rights */
4517 r = boards[moveNum][CASTLING][2] = initialRights[2];
4518 r = boards[moveNum][CASTLING][5] = initialRights[5];
4520 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4521 boards[moveNum][EP_STATUS] = EP_NONE;
4522 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4523 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4524 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4527 if (ics_getting_history == H_GOT_REQ_HEADER ||
4528 ics_getting_history == H_GOT_UNREQ_HEADER) {
4529 /* This was an initial position from a move list, not
4530 the current position */
4534 /* Update currentMove and known move number limits */
4535 newMove = newGame || moveNum > forwardMostMove;
4538 forwardMostMove = backwardMostMove = currentMove = moveNum;
4539 if (gameMode == IcsExamining && moveNum == 0) {
4540 /* Workaround for ICS limitation: we are not told the wild
4541 type when starting to examine a game. But if we ask for
4542 the move list, the move list header will tell us */
4543 ics_getting_history = H_REQUESTED;
4544 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4547 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4548 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4550 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4551 /* [HGM] applied this also to an engine that is silently watching */
4552 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4553 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4554 gameInfo.variant == currentlyInitializedVariant) {
4555 takeback = forwardMostMove - moveNum;
4556 for (i = 0; i < takeback; i++) {
4557 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4558 SendToProgram("undo\n", &first);
4563 forwardMostMove = moveNum;
4564 if (!pausing || currentMove > forwardMostMove)
4565 currentMove = forwardMostMove;
4567 /* New part of history that is not contiguous with old part */
4568 if (pausing && gameMode == IcsExamining) {
4569 pauseExamInvalid = TRUE;
4570 forwardMostMove = pauseExamForwardMostMove;
4573 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4575 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4576 // [HGM] when we will receive the move list we now request, it will be
4577 // fed to the engine from the first move on. So if the engine is not
4578 // in the initial position now, bring it there.
4579 InitChessProgram(&first, 0);
4582 ics_getting_history = H_REQUESTED;
4583 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4586 forwardMostMove = backwardMostMove = currentMove = moveNum;
4589 /* Update the clocks */
4590 if (strchr(elapsed_time, '.')) {
4592 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4593 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4595 /* Time is in seconds */
4596 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4597 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4602 if (appData.zippyPlay && newGame &&
4603 gameMode != IcsObserving && gameMode != IcsIdle &&
4604 gameMode != IcsExamining)
4605 ZippyFirstBoard(moveNum, basetime, increment);
4608 /* Put the move on the move list, first converting
4609 to canonical algebraic form. */
4611 if (appData.debugMode) {
4612 if (appData.debugMode) { int f = forwardMostMove;
4613 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4614 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4615 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4617 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4618 fprintf(debugFP, "moveNum = %d\n", moveNum);
4619 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4620 setbuf(debugFP, NULL);
4622 if (moveNum <= backwardMostMove) {
4623 /* We don't know what the board looked like before
4625 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4626 strcat(parseList[moveNum - 1], " ");
4627 strcat(parseList[moveNum - 1], elapsed_time);
4628 moveList[moveNum - 1][0] = NULLCHAR;
4629 } else if (strcmp(move_str, "none") == 0) {
4630 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4631 /* Again, we don't know what the board looked like;
4632 this is really the start of the game. */
4633 parseList[moveNum - 1][0] = NULLCHAR;
4634 moveList[moveNum - 1][0] = NULLCHAR;
4635 backwardMostMove = moveNum;
4636 startedFromSetupPosition = TRUE;
4637 fromX = fromY = toX = toY = -1;
4639 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4640 // So we parse the long-algebraic move string in stead of the SAN move
4641 int valid; char buf[MSG_SIZ], *prom;
4643 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4644 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4645 // str looks something like "Q/a1-a2"; kill the slash
4647 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4648 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4649 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4650 strcat(buf, prom); // long move lacks promo specification!
4651 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4652 if(appData.debugMode)
4653 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4654 safeStrCpy(move_str, buf, MSG_SIZ);
4656 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4657 &fromX, &fromY, &toX, &toY, &promoChar)
4658 || ParseOneMove(buf, moveNum - 1, &moveType,
4659 &fromX, &fromY, &toX, &toY, &promoChar);
4660 // end of long SAN patch
4662 (void) CoordsToAlgebraic(boards[moveNum - 1],
4663 PosFlags(moveNum - 1),
4664 fromY, fromX, toY, toX, promoChar,
4665 parseList[moveNum-1]);
4666 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4672 if(gameInfo.variant != VariantShogi)
4673 strcat(parseList[moveNum - 1], "+");
4676 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4677 strcat(parseList[moveNum - 1], "#");
4680 strcat(parseList[moveNum - 1], " ");
4681 strcat(parseList[moveNum - 1], elapsed_time);
4682 /* currentMoveString is set as a side-effect of ParseOneMove */
4683 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4684 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4685 strcat(moveList[moveNum - 1], "\n");
4687 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4688 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4689 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4690 ChessSquare old, new = boards[moveNum][k][j];
4691 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4692 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4693 if(old == new) continue;
4694 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4695 else if(new == WhiteWazir || new == BlackWazir) {
4696 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4697 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4698 else boards[moveNum][k][j] = old; // preserve type of Gold
4699 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4700 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4703 /* Move from ICS was illegal!? Punt. */
4704 if (appData.debugMode) {
4705 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4706 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4708 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4709 strcat(parseList[moveNum - 1], " ");
4710 strcat(parseList[moveNum - 1], elapsed_time);
4711 moveList[moveNum - 1][0] = NULLCHAR;
4712 fromX = fromY = toX = toY = -1;
4715 if (appData.debugMode) {
4716 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4717 setbuf(debugFP, NULL);
4721 /* Send move to chess program (BEFORE animating it). */
4722 if (appData.zippyPlay && !newGame && newMove &&
4723 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4725 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4726 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4727 if (moveList[moveNum - 1][0] == NULLCHAR) {
4728 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4730 DisplayError(str, 0);
4732 if (first.sendTime) {
4733 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4735 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4736 if (firstMove && !bookHit) {
4738 if (first.useColors) {
4739 SendToProgram(gameMode == IcsPlayingWhite ?
4741 "black\ngo\n", &first);
4743 SendToProgram("go\n", &first);
4745 first.maybeThinking = TRUE;
4748 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4749 if (moveList[moveNum - 1][0] == NULLCHAR) {
4750 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4751 DisplayError(str, 0);
4753 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4754 SendMoveToProgram(moveNum - 1, &first);
4761 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4762 /* If move comes from a remote source, animate it. If it
4763 isn't remote, it will have already been animated. */
4764 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4765 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4767 if (!pausing && appData.highlightLastMove) {
4768 SetHighlights(fromX, fromY, toX, toY);
4772 /* Start the clocks */
4773 whiteFlag = blackFlag = FALSE;
4774 appData.clockMode = !(basetime == 0 && increment == 0);
4776 ics_clock_paused = TRUE;
4778 } else if (ticking == 1) {
4779 ics_clock_paused = FALSE;
4781 if (gameMode == IcsIdle ||
4782 relation == RELATION_OBSERVING_STATIC ||
4783 relation == RELATION_EXAMINING ||
4785 DisplayBothClocks();
4789 /* Display opponents and material strengths */
4790 if (gameInfo.variant != VariantBughouse &&
4791 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4792 if (tinyLayout || smallLayout) {
4793 if(gameInfo.variant == VariantNormal)
4794 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4795 gameInfo.white, white_stren, gameInfo.black, black_stren,
4796 basetime, increment);
4798 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4799 gameInfo.white, white_stren, gameInfo.black, black_stren,
4800 basetime, increment, (int) gameInfo.variant);
4802 if(gameInfo.variant == VariantNormal)
4803 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4804 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4805 basetime, increment);
4807 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4808 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4809 basetime, increment, VariantName(gameInfo.variant));
4812 if (appData.debugMode) {
4813 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4818 /* Display the board */
4819 if (!pausing && !appData.noGUI) {
4821 if (appData.premove)
4823 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4824 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4825 ClearPremoveHighlights();
4827 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4828 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4829 DrawPosition(j, boards[currentMove]);
4831 DisplayMove(moveNum - 1);
4832 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4833 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4834 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4835 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4839 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4841 if(bookHit) { // [HGM] book: simulate book reply
4842 static char bookMove[MSG_SIZ]; // a bit generous?
4844 programStats.nodes = programStats.depth = programStats.time =
4845 programStats.score = programStats.got_only_move = 0;
4846 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4848 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4849 strcat(bookMove, bookHit);
4850 HandleMachineMove(bookMove, &first);
4859 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4860 ics_getting_history = H_REQUESTED;
4861 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4867 AnalysisPeriodicEvent (int force)
4869 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4870 && !force) || !appData.periodicUpdates)
4873 /* Send . command to Crafty to collect stats */
4874 SendToProgram(".\n", &first);
4876 /* Don't send another until we get a response (this makes
4877 us stop sending to old Crafty's which don't understand
4878 the "." command (sending illegal cmds resets node count & time,
4879 which looks bad)) */
4880 programStats.ok_to_send = 0;
4884 ics_update_width (int new_width)
4886 ics_printf("set width %d\n", new_width);
4890 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4894 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4895 // null move in variant where engine does not understand it (for analysis purposes)
4896 SendBoard(cps, moveNum + 1); // send position after move in stead.
4899 if (cps->useUsermove) {
4900 SendToProgram("usermove ", cps);
4904 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4905 int len = space - parseList[moveNum];
4906 memcpy(buf, parseList[moveNum], len);
4908 buf[len] = NULLCHAR;
4910 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4912 SendToProgram(buf, cps);
4914 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4915 AlphaRank(moveList[moveNum], 4);
4916 SendToProgram(moveList[moveNum], cps);
4917 AlphaRank(moveList[moveNum], 4); // and back
4919 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4920 * the engine. It would be nice to have a better way to identify castle
4922 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4923 && cps->useOOCastle) {
4924 int fromX = moveList[moveNum][0] - AAA;
4925 int fromY = moveList[moveNum][1] - ONE;
4926 int toX = moveList[moveNum][2] - AAA;
4927 int toY = moveList[moveNum][3] - ONE;
4928 if((boards[moveNum][fromY][fromX] == WhiteKing
4929 && boards[moveNum][toY][toX] == WhiteRook)
4930 || (boards[moveNum][fromY][fromX] == BlackKing
4931 && boards[moveNum][toY][toX] == BlackRook)) {
4932 if(toX > fromX) SendToProgram("O-O\n", cps);
4933 else SendToProgram("O-O-O\n", cps);
4935 else SendToProgram(moveList[moveNum], cps);
4937 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4938 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4939 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4940 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4941 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4943 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4944 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4945 SendToProgram(buf, cps);
4947 else SendToProgram(moveList[moveNum], cps);
4948 /* End of additions by Tord */
4951 /* [HGM] setting up the opening has brought engine in force mode! */
4952 /* Send 'go' if we are in a mode where machine should play. */
4953 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4954 (gameMode == TwoMachinesPlay ||
4956 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4958 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4959 SendToProgram("go\n", cps);
4960 if (appData.debugMode) {
4961 fprintf(debugFP, "(extra)\n");
4964 setboardSpoiledMachineBlack = 0;
4968 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
4970 char user_move[MSG_SIZ];
4973 if(gameInfo.variant == VariantSChess && promoChar) {
4974 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4975 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4976 } else suffix[0] = NULLCHAR;
4980 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4981 (int)moveType, fromX, fromY, toX, toY);
4982 DisplayError(user_move + strlen("say "), 0);
4984 case WhiteKingSideCastle:
4985 case BlackKingSideCastle:
4986 case WhiteQueenSideCastleWild:
4987 case BlackQueenSideCastleWild:
4989 case WhiteHSideCastleFR:
4990 case BlackHSideCastleFR:
4992 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4994 case WhiteQueenSideCastle:
4995 case BlackQueenSideCastle:
4996 case WhiteKingSideCastleWild:
4997 case BlackKingSideCastleWild:
4999 case WhiteASideCastleFR:
5000 case BlackASideCastleFR:
5002 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5004 case WhiteNonPromotion:
5005 case BlackNonPromotion:
5006 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5008 case WhitePromotion:
5009 case BlackPromotion:
5010 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5011 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5012 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5013 PieceToChar(WhiteFerz));
5014 else if(gameInfo.variant == VariantGreat)
5015 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5016 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5017 PieceToChar(WhiteMan));
5019 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5020 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5026 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5027 ToUpper(PieceToChar((ChessSquare) fromX)),
5028 AAA + toX, ONE + toY);
5030 case IllegalMove: /* could be a variant we don't quite understand */
5031 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5033 case WhiteCapturesEnPassant:
5034 case BlackCapturesEnPassant:
5035 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5036 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5039 SendToICS(user_move);
5040 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5041 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5046 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5047 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5048 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5049 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5050 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5053 if(gameMode != IcsExamining) { // is this ever not the case?
5054 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5056 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5057 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5058 } else { // on FICS we must first go to general examine mode
5059 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5061 if(gameInfo.variant != VariantNormal) {
5062 // try figure out wild number, as xboard names are not always valid on ICS
5063 for(i=1; i<=36; i++) {
5064 snprintf(buf, MSG_SIZ, "wild/%d", i);
5065 if(StringToVariant(buf) == gameInfo.variant) break;
5067 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5068 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5069 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5070 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5071 SendToICS(ics_prefix);
5073 if(startedFromSetupPosition || backwardMostMove != 0) {
5074 fen = PositionToFEN(backwardMostMove, NULL);
5075 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5076 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5078 } else { // FICS: everything has to set by separate bsetup commands
5079 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5080 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5082 if(!WhiteOnMove(backwardMostMove)) {
5083 SendToICS("bsetup tomove black\n");
5085 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5086 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5088 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5089 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5091 i = boards[backwardMostMove][EP_STATUS];
5092 if(i >= 0) { // set e.p.
5093 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5099 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5100 SendToICS("bsetup done\n"); // switch to normal examining.
5102 for(i = backwardMostMove; i<last; i++) {
5104 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5107 SendToICS(ics_prefix);
5108 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5112 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5114 if (rf == DROP_RANK) {
5115 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5116 sprintf(move, "%c@%c%c\n",
5117 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5119 if (promoChar == 'x' || promoChar == NULLCHAR) {
5120 sprintf(move, "%c%c%c%c\n",
5121 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5123 sprintf(move, "%c%c%c%c%c\n",
5124 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5130 ProcessICSInitScript (FILE *f)
5134 while (fgets(buf, MSG_SIZ, f)) {
5135 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5142 static int lastX, lastY, selectFlag, dragging;
5147 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5148 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5149 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5150 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5151 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5152 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5155 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5156 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5157 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5158 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5159 if(!step) step = -1;
5160 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5161 appData.testLegality && (promoSweep == king ||
5162 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5163 ChangeDragPiece(promoSweep);
5167 PromoScroll (int x, int y)
5171 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5172 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5173 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5174 if(!step) return FALSE;
5175 lastX = x; lastY = y;
5176 if((promoSweep < BlackPawn) == flipView) step = -step;
5177 if(step > 0) selectFlag = 1;
5178 if(!selectFlag) Sweep(step);
5183 NextPiece (int step)
5185 ChessSquare piece = boards[currentMove][toY][toX];
5188 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5189 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5190 if(!step) step = -1;
5191 } while(PieceToChar(pieceSweep) == '.');
5192 boards[currentMove][toY][toX] = pieceSweep;
5193 DrawPosition(FALSE, boards[currentMove]);
5194 boards[currentMove][toY][toX] = piece;
5196 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5198 AlphaRank (char *move, int n)
5200 // char *p = move, c; int x, y;
5202 if (appData.debugMode) {
5203 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5207 move[2]>='0' && move[2]<='9' &&
5208 move[3]>='a' && move[3]<='x' ) {
5210 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5211 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5213 if(move[0]>='0' && move[0]<='9' &&
5214 move[1]>='a' && move[1]<='x' &&
5215 move[2]>='0' && move[2]<='9' &&
5216 move[3]>='a' && move[3]<='x' ) {
5217 /* input move, Shogi -> normal */
5218 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5219 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5220 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5221 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5224 move[3]>='0' && move[3]<='9' &&
5225 move[2]>='a' && move[2]<='x' ) {
5227 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5228 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5231 move[0]>='a' && move[0]<='x' &&
5232 move[3]>='0' && move[3]<='9' &&
5233 move[2]>='a' && move[2]<='x' ) {
5234 /* output move, normal -> Shogi */
5235 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5236 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5237 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5238 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5239 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5241 if (appData.debugMode) {
5242 fprintf(debugFP, " out = '%s'\n", move);
5246 char yy_textstr[8000];
5248 /* Parser for moves from gnuchess, ICS, or user typein box */
5250 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5252 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5254 switch (*moveType) {
5255 case WhitePromotion:
5256 case BlackPromotion:
5257 case WhiteNonPromotion:
5258 case BlackNonPromotion:
5260 case WhiteCapturesEnPassant:
5261 case BlackCapturesEnPassant:
5262 case WhiteKingSideCastle:
5263 case WhiteQueenSideCastle:
5264 case BlackKingSideCastle:
5265 case BlackQueenSideCastle:
5266 case WhiteKingSideCastleWild:
5267 case WhiteQueenSideCastleWild:
5268 case BlackKingSideCastleWild:
5269 case BlackQueenSideCastleWild:
5270 /* Code added by Tord: */
5271 case WhiteHSideCastleFR:
5272 case WhiteASideCastleFR:
5273 case BlackHSideCastleFR:
5274 case BlackASideCastleFR:
5275 /* End of code added by Tord */
5276 case IllegalMove: /* bug or odd chess variant */
5277 *fromX = currentMoveString[0] - AAA;
5278 *fromY = currentMoveString[1] - ONE;
5279 *toX = currentMoveString[2] - AAA;
5280 *toY = currentMoveString[3] - ONE;
5281 *promoChar = currentMoveString[4];
5282 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5283 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5284 if (appData.debugMode) {
5285 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5287 *fromX = *fromY = *toX = *toY = 0;
5290 if (appData.testLegality) {
5291 return (*moveType != IllegalMove);
5293 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5294 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5299 *fromX = *moveType == WhiteDrop ?
5300 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5301 (int) CharToPiece(ToLower(currentMoveString[0]));
5303 *toX = currentMoveString[2] - AAA;
5304 *toY = currentMoveString[3] - ONE;
5305 *promoChar = NULLCHAR;
5309 case ImpossibleMove:
5319 if (appData.debugMode) {
5320 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5323 *fromX = *fromY = *toX = *toY = 0;
5324 *promoChar = NULLCHAR;
5329 Boolean pushed = FALSE;
5330 char *lastParseAttempt;
5333 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5334 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5335 int fromX, fromY, toX, toY; char promoChar;
5340 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5341 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5344 endPV = forwardMostMove;
5346 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5347 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5348 lastParseAttempt = pv;
5349 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5350 if(!valid && nr == 0 &&
5351 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5352 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5353 // Hande case where played move is different from leading PV move
5354 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5355 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5356 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5357 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5358 endPV += 2; // if position different, keep this
5359 moveList[endPV-1][0] = fromX + AAA;
5360 moveList[endPV-1][1] = fromY + ONE;
5361 moveList[endPV-1][2] = toX + AAA;
5362 moveList[endPV-1][3] = toY + ONE;
5363 parseList[endPV-1][0] = NULLCHAR;
5364 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5367 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5368 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5369 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5370 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5371 valid++; // allow comments in PV
5375 if(endPV+1 > framePtr) break; // no space, truncate
5378 CopyBoard(boards[endPV], boards[endPV-1]);
5379 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5380 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5381 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5382 CoordsToAlgebraic(boards[endPV - 1],
5383 PosFlags(endPV - 1),
5384 fromY, fromX, toY, toX, promoChar,
5385 parseList[endPV - 1]);
5387 if(atEnd == 2) return; // used hidden, for PV conversion
5388 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5389 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5390 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5391 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5392 DrawPosition(TRUE, boards[currentMove]);
5396 MultiPV (ChessProgramState *cps)
5397 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5399 for(i=0; i<cps->nrOptions; i++)
5400 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5406 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5408 int startPV, multi, lineStart, origIndex = index;
5409 char *p, buf2[MSG_SIZ];
5411 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5412 lastX = x; lastY = y;
5413 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5414 lineStart = startPV = index;
5415 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5416 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5418 do{ while(buf[index] && buf[index] != '\n') index++;
5419 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5421 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5422 int n = first.option[multi].value;
5423 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5424 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5425 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5426 first.option[multi].value = n;
5430 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5431 *start = startPV; *end = index-1;
5438 static char buf[10*MSG_SIZ];
5439 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5441 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5442 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5443 for(i = forwardMostMove; i<endPV; i++){
5444 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5445 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5448 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5449 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5455 LoadPV (int x, int y)
5456 { // called on right mouse click to load PV
5457 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5458 lastX = x; lastY = y;
5459 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5466 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5467 if(endPV < 0) return;
5468 if(appData.autoCopyPV) CopyFENToClipboard();
5470 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5471 Boolean saveAnimate = appData.animate;
5473 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5474 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5475 } else storedGames--; // abandon shelved tail of original game
5478 forwardMostMove = currentMove;
5479 currentMove = oldFMM;
5480 appData.animate = FALSE;
5481 ToNrEvent(forwardMostMove);
5482 appData.animate = saveAnimate;
5484 currentMove = forwardMostMove;
5485 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5486 ClearPremoveHighlights();
5487 DrawPosition(TRUE, boards[currentMove]);
5491 MovePV (int x, int y, int h)
5492 { // step through PV based on mouse coordinates (called on mouse move)
5493 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5495 // we must somehow check if right button is still down (might be released off board!)
5496 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5497 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5498 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5500 lastX = x; lastY = y;
5502 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5503 if(endPV < 0) return;
5504 if(y < margin) step = 1; else
5505 if(y > h - margin) step = -1;
5506 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5507 currentMove += step;
5508 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5509 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5510 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5511 DrawPosition(FALSE, boards[currentMove]);
5515 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5516 // All positions will have equal probability, but the current method will not provide a unique
5517 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5523 int piecesLeft[(int)BlackPawn];
5524 int seed, nrOfShuffles;
5527 GetPositionNumber ()
5528 { // sets global variable seed
5531 seed = appData.defaultFrcPosition;
5532 if(seed < 0) { // randomize based on time for negative FRC position numbers
5533 for(i=0; i<50; i++) seed += random();
5534 seed = random() ^ random() >> 8 ^ random() << 8;
5535 if(seed<0) seed = -seed;
5540 put (Board board, int pieceType, int rank, int n, int shade)
5541 // put the piece on the (n-1)-th empty squares of the given shade
5545 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5546 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5547 board[rank][i] = (ChessSquare) pieceType;
5548 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5550 piecesLeft[pieceType]--;
5559 AddOnePiece (Board board, int pieceType, int rank, int shade)
5560 // calculate where the next piece goes, (any empty square), and put it there
5564 i = seed % squaresLeft[shade];
5565 nrOfShuffles *= squaresLeft[shade];
5566 seed /= squaresLeft[shade];
5567 put(board, pieceType, rank, i, shade);
5571 AddTwoPieces (Board board, int pieceType, int rank)
5572 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5574 int i, n=squaresLeft[ANY], j=n-1, k;
5576 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5577 i = seed % k; // pick one
5580 while(i >= j) i -= j--;
5581 j = n - 1 - j; i += j;
5582 put(board, pieceType, rank, j, ANY);
5583 put(board, pieceType, rank, i, ANY);
5587 SetUpShuffle (Board board, int number)
5591 GetPositionNumber(); nrOfShuffles = 1;
5593 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5594 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5595 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5597 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5599 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5600 p = (int) board[0][i];
5601 if(p < (int) BlackPawn) piecesLeft[p] ++;
5602 board[0][i] = EmptySquare;
5605 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5606 // shuffles restricted to allow normal castling put KRR first
5607 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5608 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5609 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5610 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5611 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5612 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5613 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5614 put(board, WhiteRook, 0, 0, ANY);
5615 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5618 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5619 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5620 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5621 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5622 while(piecesLeft[p] >= 2) {
5623 AddOnePiece(board, p, 0, LITE);
5624 AddOnePiece(board, p, 0, DARK);
5626 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5629 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5630 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5631 // but we leave King and Rooks for last, to possibly obey FRC restriction
5632 if(p == (int)WhiteRook) continue;
5633 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5634 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5637 // now everything is placed, except perhaps King (Unicorn) and Rooks
5639 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5640 // Last King gets castling rights
5641 while(piecesLeft[(int)WhiteUnicorn]) {
5642 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5643 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5646 while(piecesLeft[(int)WhiteKing]) {
5647 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5648 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5653 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5654 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5657 // Only Rooks can be left; simply place them all
5658 while(piecesLeft[(int)WhiteRook]) {
5659 i = put(board, WhiteRook, 0, 0, ANY);
5660 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5663 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5665 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5668 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5669 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5672 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5676 SetCharTable (char *table, const char * map)
5677 /* [HGM] moved here from winboard.c because of its general usefulness */
5678 /* Basically a safe strcpy that uses the last character as King */
5680 int result = FALSE; int NrPieces;
5682 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5683 && NrPieces >= 12 && !(NrPieces&1)) {
5684 int i; /* [HGM] Accept even length from 12 to 34 */
5686 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5687 for( i=0; i<NrPieces/2-1; i++ ) {
5689 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5691 table[(int) WhiteKing] = map[NrPieces/2-1];
5692 table[(int) BlackKing] = map[NrPieces-1];
5701 Prelude (Board board)
5702 { // [HGM] superchess: random selection of exo-pieces
5703 int i, j, k; ChessSquare p;
5704 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5706 GetPositionNumber(); // use FRC position number
5708 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5709 SetCharTable(pieceToChar, appData.pieceToCharTable);
5710 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5711 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5714 j = seed%4; seed /= 4;
5715 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5716 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5717 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5718 j = seed%3 + (seed%3 >= j); seed /= 3;
5719 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5720 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5721 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5722 j = seed%3; seed /= 3;
5723 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5724 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5725 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5726 j = seed%2 + (seed%2 >= j); seed /= 2;
5727 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5728 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5729 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5730 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5731 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5732 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5733 put(board, exoPieces[0], 0, 0, ANY);
5734 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5738 InitPosition (int redraw)
5740 ChessSquare (* pieces)[BOARD_FILES];
5741 int i, j, pawnRow, overrule,
5742 oldx = gameInfo.boardWidth,
5743 oldy = gameInfo.boardHeight,
5744 oldh = gameInfo.holdingsWidth;
5747 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5749 /* [AS] Initialize pv info list [HGM] and game status */
5751 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5752 pvInfoList[i].depth = 0;
5753 boards[i][EP_STATUS] = EP_NONE;
5754 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5757 initialRulePlies = 0; /* 50-move counter start */
5759 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5760 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5764 /* [HGM] logic here is completely changed. In stead of full positions */
5765 /* the initialized data only consist of the two backranks. The switch */
5766 /* selects which one we will use, which is than copied to the Board */
5767 /* initialPosition, which for the rest is initialized by Pawns and */
5768 /* empty squares. This initial position is then copied to boards[0], */
5769 /* possibly after shuffling, so that it remains available. */
5771 gameInfo.holdingsWidth = 0; /* default board sizes */
5772 gameInfo.boardWidth = 8;
5773 gameInfo.boardHeight = 8;
5774 gameInfo.holdingsSize = 0;
5775 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5776 for(i=0; i<BOARD_FILES-2; i++)
5777 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5778 initialPosition[EP_STATUS] = EP_NONE;
5779 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5780 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5781 SetCharTable(pieceNickName, appData.pieceNickNames);
5782 else SetCharTable(pieceNickName, "............");
5785 switch (gameInfo.variant) {
5786 case VariantFischeRandom:
5787 shuffleOpenings = TRUE;
5790 case VariantShatranj:
5791 pieces = ShatranjArray;
5792 nrCastlingRights = 0;
5793 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5796 pieces = makrukArray;
5797 nrCastlingRights = 0;
5798 startedFromSetupPosition = TRUE;
5799 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5801 case VariantTwoKings:
5802 pieces = twoKingsArray;
5805 pieces = GrandArray;
5806 nrCastlingRights = 0;
5807 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5808 gameInfo.boardWidth = 10;
5809 gameInfo.boardHeight = 10;
5810 gameInfo.holdingsSize = 7;
5812 case VariantCapaRandom:
5813 shuffleOpenings = TRUE;
5814 case VariantCapablanca:
5815 pieces = CapablancaArray;
5816 gameInfo.boardWidth = 10;
5817 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5820 pieces = GothicArray;
5821 gameInfo.boardWidth = 10;
5822 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5825 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5826 gameInfo.holdingsSize = 7;
5829 pieces = JanusArray;
5830 gameInfo.boardWidth = 10;
5831 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5832 nrCastlingRights = 6;
5833 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5834 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5835 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5836 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5837 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5838 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5841 pieces = FalconArray;
5842 gameInfo.boardWidth = 10;
5843 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5845 case VariantXiangqi:
5846 pieces = XiangqiArray;
5847 gameInfo.boardWidth = 9;
5848 gameInfo.boardHeight = 10;
5849 nrCastlingRights = 0;
5850 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5853 pieces = ShogiArray;
5854 gameInfo.boardWidth = 9;
5855 gameInfo.boardHeight = 9;
5856 gameInfo.holdingsSize = 7;
5857 nrCastlingRights = 0;
5858 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5860 case VariantCourier:
5861 pieces = CourierArray;
5862 gameInfo.boardWidth = 12;
5863 nrCastlingRights = 0;
5864 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5866 case VariantKnightmate:
5867 pieces = KnightmateArray;
5868 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5870 case VariantSpartan:
5871 pieces = SpartanArray;
5872 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5875 pieces = fairyArray;
5876 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5879 pieces = GreatArray;
5880 gameInfo.boardWidth = 10;
5881 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5882 gameInfo.holdingsSize = 8;
5886 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5887 gameInfo.holdingsSize = 8;
5888 startedFromSetupPosition = TRUE;
5890 case VariantCrazyhouse:
5891 case VariantBughouse:
5893 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5894 gameInfo.holdingsSize = 5;
5896 case VariantWildCastle:
5898 /* !!?shuffle with kings guaranteed to be on d or e file */
5899 shuffleOpenings = 1;
5901 case VariantNoCastle:
5903 nrCastlingRights = 0;
5904 /* !!?unconstrained back-rank shuffle */
5905 shuffleOpenings = 1;
5910 if(appData.NrFiles >= 0) {
5911 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5912 gameInfo.boardWidth = appData.NrFiles;
5914 if(appData.NrRanks >= 0) {
5915 gameInfo.boardHeight = appData.NrRanks;
5917 if(appData.holdingsSize >= 0) {
5918 i = appData.holdingsSize;
5919 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5920 gameInfo.holdingsSize = i;
5922 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5923 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5924 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5926 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5927 if(pawnRow < 1) pawnRow = 1;
5928 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5930 /* User pieceToChar list overrules defaults */
5931 if(appData.pieceToCharTable != NULL)
5932 SetCharTable(pieceToChar, appData.pieceToCharTable);
5934 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5936 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5937 s = (ChessSquare) 0; /* account holding counts in guard band */
5938 for( i=0; i<BOARD_HEIGHT; i++ )
5939 initialPosition[i][j] = s;
5941 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5942 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5943 initialPosition[pawnRow][j] = WhitePawn;
5944 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5945 if(gameInfo.variant == VariantXiangqi) {
5947 initialPosition[pawnRow][j] =
5948 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5949 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5950 initialPosition[2][j] = WhiteCannon;
5951 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5955 if(gameInfo.variant == VariantGrand) {
5956 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5957 initialPosition[0][j] = WhiteRook;
5958 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5961 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5963 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5966 initialPosition[1][j] = WhiteBishop;
5967 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5969 initialPosition[1][j] = WhiteRook;
5970 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5973 if( nrCastlingRights == -1) {
5974 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5975 /* This sets default castling rights from none to normal corners */
5976 /* Variants with other castling rights must set them themselves above */
5977 nrCastlingRights = 6;
5979 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5980 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5981 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5982 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5983 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5984 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5987 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5988 if(gameInfo.variant == VariantGreat) { // promotion commoners
5989 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5990 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5991 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5992 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5994 if( gameInfo.variant == VariantSChess ) {
5995 initialPosition[1][0] = BlackMarshall;
5996 initialPosition[2][0] = BlackAngel;
5997 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5998 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5999 initialPosition[1][1] = initialPosition[2][1] =
6000 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6002 if (appData.debugMode) {
6003 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6005 if(shuffleOpenings) {
6006 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6007 startedFromSetupPosition = TRUE;
6009 if(startedFromPositionFile) {
6010 /* [HGM] loadPos: use PositionFile for every new game */
6011 CopyBoard(initialPosition, filePosition);
6012 for(i=0; i<nrCastlingRights; i++)
6013 initialRights[i] = filePosition[CASTLING][i];
6014 startedFromSetupPosition = TRUE;
6017 CopyBoard(boards[0], initialPosition);
6019 if(oldx != gameInfo.boardWidth ||
6020 oldy != gameInfo.boardHeight ||
6021 oldv != gameInfo.variant ||
6022 oldh != gameInfo.holdingsWidth
6024 InitDrawingSizes(-2 ,0);
6026 oldv = gameInfo.variant;
6028 DrawPosition(TRUE, boards[currentMove]);
6032 SendBoard (ChessProgramState *cps, int moveNum)
6034 char message[MSG_SIZ];
6036 if (cps->useSetboard) {
6037 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6038 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6039 SendToProgram(message, cps);
6044 int i, j, left=0, right=BOARD_WIDTH;
6045 /* Kludge to set black to move, avoiding the troublesome and now
6046 * deprecated "black" command.
6048 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6049 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6051 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6053 SendToProgram("edit\n", cps);
6054 SendToProgram("#\n", cps);
6055 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6056 bp = &boards[moveNum][i][left];
6057 for (j = left; j < right; j++, bp++) {
6058 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6059 if ((int) *bp < (int) BlackPawn) {
6060 if(j == BOARD_RGHT+1)
6061 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6062 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6063 if(message[0] == '+' || message[0] == '~') {
6064 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6065 PieceToChar((ChessSquare)(DEMOTED *bp)),
6068 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6069 message[1] = BOARD_RGHT - 1 - j + '1';
6070 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6072 SendToProgram(message, cps);
6077 SendToProgram("c\n", cps);
6078 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6079 bp = &boards[moveNum][i][left];
6080 for (j = left; j < right; j++, bp++) {
6081 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6082 if (((int) *bp != (int) EmptySquare)
6083 && ((int) *bp >= (int) BlackPawn)) {
6084 if(j == BOARD_LEFT-2)
6085 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6086 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6088 if(message[0] == '+' || message[0] == '~') {
6089 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6090 PieceToChar((ChessSquare)(DEMOTED *bp)),
6093 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6094 message[1] = BOARD_RGHT - 1 - j + '1';
6095 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6097 SendToProgram(message, cps);
6102 SendToProgram(".\n", cps);
6104 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6108 DefaultPromoChoice (int white)
6111 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6112 result = WhiteFerz; // no choice
6113 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6114 result= WhiteKing; // in Suicide Q is the last thing we want
6115 else if(gameInfo.variant == VariantSpartan)
6116 result = white ? WhiteQueen : WhiteAngel;
6117 else result = WhiteQueen;
6118 if(!white) result = WHITE_TO_BLACK result;
6122 static int autoQueen; // [HGM] oneclick
6125 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6127 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6128 /* [HGM] add Shogi promotions */
6129 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6134 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6135 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6137 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6138 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6141 piece = boards[currentMove][fromY][fromX];
6142 if(gameInfo.variant == VariantShogi) {
6143 promotionZoneSize = BOARD_HEIGHT/3;
6144 highestPromotingPiece = (int)WhiteFerz;
6145 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6146 promotionZoneSize = 3;
6149 // Treat Lance as Pawn when it is not representing Amazon
6150 if(gameInfo.variant != VariantSuper) {
6151 if(piece == WhiteLance) piece = WhitePawn; else
6152 if(piece == BlackLance) piece = BlackPawn;
6155 // next weed out all moves that do not touch the promotion zone at all
6156 if((int)piece >= BlackPawn) {
6157 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6159 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6161 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6162 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6165 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6167 // weed out mandatory Shogi promotions
6168 if(gameInfo.variant == VariantShogi) {
6169 if(piece >= BlackPawn) {
6170 if(toY == 0 && piece == BlackPawn ||
6171 toY == 0 && piece == BlackQueen ||
6172 toY <= 1 && piece == BlackKnight) {
6177 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6178 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6179 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6186 // weed out obviously illegal Pawn moves
6187 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6188 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6189 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6190 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6191 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6192 // note we are not allowed to test for valid (non-)capture, due to premove
6195 // we either have a choice what to promote to, or (in Shogi) whether to promote
6196 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6197 *promoChoice = PieceToChar(BlackFerz); // no choice
6200 // no sense asking what we must promote to if it is going to explode...
6201 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6202 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6205 // give caller the default choice even if we will not make it
6206 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6207 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6208 if( sweepSelect && gameInfo.variant != VariantGreat
6209 && gameInfo.variant != VariantGrand
6210 && gameInfo.variant != VariantSuper) return FALSE;
6211 if(autoQueen) return FALSE; // predetermined
6213 // suppress promotion popup on illegal moves that are not premoves
6214 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6215 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6216 if(appData.testLegality && !premove) {
6217 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6218 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6219 if(moveType != WhitePromotion && moveType != BlackPromotion)
6227 InPalace (int row, int column)
6228 { /* [HGM] for Xiangqi */
6229 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6230 column < (BOARD_WIDTH + 4)/2 &&
6231 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6236 PieceForSquare (int x, int y)
6238 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6241 return boards[currentMove][y][x];
6245 OKToStartUserMove (int x, int y)
6247 ChessSquare from_piece;
6250 if (matchMode) return FALSE;
6251 if (gameMode == EditPosition) return TRUE;
6253 if (x >= 0 && y >= 0)
6254 from_piece = boards[currentMove][y][x];
6256 from_piece = EmptySquare;
6258 if (from_piece == EmptySquare) return FALSE;
6260 white_piece = (int)from_piece >= (int)WhitePawn &&
6261 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6265 case TwoMachinesPlay:
6273 case MachinePlaysWhite:
6274 case IcsPlayingBlack:
6275 if (appData.zippyPlay) return FALSE;
6277 DisplayMoveError(_("You are playing Black"));
6282 case MachinePlaysBlack:
6283 case IcsPlayingWhite:
6284 if (appData.zippyPlay) return FALSE;
6286 DisplayMoveError(_("You are playing White"));
6291 case PlayFromGameFile:
6292 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6294 if (!white_piece && WhiteOnMove(currentMove)) {
6295 DisplayMoveError(_("It is White's turn"));
6298 if (white_piece && !WhiteOnMove(currentMove)) {
6299 DisplayMoveError(_("It is Black's turn"));
6302 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6303 /* Editing correspondence game history */
6304 /* Could disallow this or prompt for confirmation */
6309 case BeginningOfGame:
6310 if (appData.icsActive) return FALSE;
6311 if (!appData.noChessProgram) {
6313 DisplayMoveError(_("You are playing White"));
6320 if (!white_piece && WhiteOnMove(currentMove)) {
6321 DisplayMoveError(_("It is White's turn"));
6324 if (white_piece && !WhiteOnMove(currentMove)) {
6325 DisplayMoveError(_("It is Black's turn"));
6334 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6335 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6336 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6337 && gameMode != AnalyzeFile && gameMode != Training) {
6338 DisplayMoveError(_("Displayed position is not current"));
6345 OnlyMove (int *x, int *y, Boolean captures)
6347 DisambiguateClosure cl;
6348 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6350 case MachinePlaysBlack:
6351 case IcsPlayingWhite:
6352 case BeginningOfGame:
6353 if(!WhiteOnMove(currentMove)) return FALSE;
6355 case MachinePlaysWhite:
6356 case IcsPlayingBlack:
6357 if(WhiteOnMove(currentMove)) return FALSE;
6364 cl.pieceIn = EmptySquare;
6369 cl.promoCharIn = NULLCHAR;
6370 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6371 if( cl.kind == NormalMove ||
6372 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6373 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6374 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6381 if(cl.kind != ImpossibleMove) return FALSE;
6382 cl.pieceIn = EmptySquare;
6387 cl.promoCharIn = NULLCHAR;
6388 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6389 if( cl.kind == NormalMove ||
6390 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6391 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6392 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6397 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6403 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6404 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6405 int lastLoadGameUseList = FALSE;
6406 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6407 ChessMove lastLoadGameStart = EndOfFile;
6410 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6413 ChessSquare pdown, pup;
6415 /* Check if the user is playing in turn. This is complicated because we
6416 let the user "pick up" a piece before it is his turn. So the piece he
6417 tried to pick up may have been captured by the time he puts it down!
6418 Therefore we use the color the user is supposed to be playing in this
6419 test, not the color of the piece that is currently on the starting
6420 square---except in EditGame mode, where the user is playing both
6421 sides; fortunately there the capture race can't happen. (It can
6422 now happen in IcsExamining mode, but that's just too bad. The user
6423 will get a somewhat confusing message in that case.)
6428 case TwoMachinesPlay:
6432 /* We switched into a game mode where moves are not accepted,
6433 perhaps while the mouse button was down. */
6436 case MachinePlaysWhite:
6437 /* User is moving for Black */
6438 if (WhiteOnMove(currentMove)) {
6439 DisplayMoveError(_("It is White's turn"));
6444 case MachinePlaysBlack:
6445 /* User is moving for White */
6446 if (!WhiteOnMove(currentMove)) {
6447 DisplayMoveError(_("It is Black's turn"));
6452 case PlayFromGameFile:
6453 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6456 case BeginningOfGame:
6459 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6460 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6461 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6462 /* User is moving for Black */
6463 if (WhiteOnMove(currentMove)) {
6464 DisplayMoveError(_("It is White's turn"));
6468 /* User is moving for White */
6469 if (!WhiteOnMove(currentMove)) {
6470 DisplayMoveError(_("It is Black's turn"));
6476 case IcsPlayingBlack:
6477 /* User is moving for Black */
6478 if (WhiteOnMove(currentMove)) {
6479 if (!appData.premove) {
6480 DisplayMoveError(_("It is White's turn"));
6481 } else if (toX >= 0 && toY >= 0) {
6484 premoveFromX = fromX;
6485 premoveFromY = fromY;
6486 premovePromoChar = promoChar;
6488 if (appData.debugMode)
6489 fprintf(debugFP, "Got premove: fromX %d,"
6490 "fromY %d, toX %d, toY %d\n",
6491 fromX, fromY, toX, toY);
6497 case IcsPlayingWhite:
6498 /* User is moving for White */
6499 if (!WhiteOnMove(currentMove)) {
6500 if (!appData.premove) {
6501 DisplayMoveError(_("It is Black's turn"));
6502 } else if (toX >= 0 && toY >= 0) {
6505 premoveFromX = fromX;
6506 premoveFromY = fromY;
6507 premovePromoChar = promoChar;
6509 if (appData.debugMode)
6510 fprintf(debugFP, "Got premove: fromX %d,"
6511 "fromY %d, toX %d, toY %d\n",
6512 fromX, fromY, toX, toY);
6522 /* EditPosition, empty square, or different color piece;
6523 click-click move is possible */
6524 if (toX == -2 || toY == -2) {
6525 boards[0][fromY][fromX] = EmptySquare;
6526 DrawPosition(FALSE, boards[currentMove]);
6528 } else if (toX >= 0 && toY >= 0) {
6529 boards[0][toY][toX] = boards[0][fromY][fromX];
6530 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6531 if(boards[0][fromY][0] != EmptySquare) {
6532 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6533 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6536 if(fromX == BOARD_RGHT+1) {
6537 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6538 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6539 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6542 boards[0][fromY][fromX] = EmptySquare;
6543 DrawPosition(FALSE, boards[currentMove]);
6549 if(toX < 0 || toY < 0) return;
6550 pdown = boards[currentMove][fromY][fromX];
6551 pup = boards[currentMove][toY][toX];
6553 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6554 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6555 if( pup != EmptySquare ) return;
6556 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6557 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6558 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6559 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6560 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6561 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6562 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6566 /* [HGM] always test for legality, to get promotion info */
6567 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6568 fromY, fromX, toY, toX, promoChar);
6570 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6572 /* [HGM] but possibly ignore an IllegalMove result */
6573 if (appData.testLegality) {
6574 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6575 DisplayMoveError(_("Illegal move"));
6580 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6583 /* Common tail of UserMoveEvent and DropMenuEvent */
6585 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6589 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6590 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6591 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6592 if(WhiteOnMove(currentMove)) {
6593 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6595 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6599 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6600 move type in caller when we know the move is a legal promotion */
6601 if(moveType == NormalMove && promoChar)
6602 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6604 /* [HGM] <popupFix> The following if has been moved here from
6605 UserMoveEvent(). Because it seemed to belong here (why not allow
6606 piece drops in training games?), and because it can only be
6607 performed after it is known to what we promote. */
6608 if (gameMode == Training) {
6609 /* compare the move played on the board to the next move in the
6610 * game. If they match, display the move and the opponent's response.
6611 * If they don't match, display an error message.
6615 CopyBoard(testBoard, boards[currentMove]);
6616 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6618 if (CompareBoards(testBoard, boards[currentMove+1])) {
6619 ForwardInner(currentMove+1);
6621 /* Autoplay the opponent's response.
6622 * if appData.animate was TRUE when Training mode was entered,
6623 * the response will be animated.
6625 saveAnimate = appData.animate;
6626 appData.animate = animateTraining;
6627 ForwardInner(currentMove+1);
6628 appData.animate = saveAnimate;
6630 /* check for the end of the game */
6631 if (currentMove >= forwardMostMove) {
6632 gameMode = PlayFromGameFile;
6634 SetTrainingModeOff();
6635 DisplayInformation(_("End of game"));
6638 DisplayError(_("Incorrect move"), 0);
6643 /* Ok, now we know that the move is good, so we can kill
6644 the previous line in Analysis Mode */
6645 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6646 && currentMove < forwardMostMove) {
6647 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6648 else forwardMostMove = currentMove;
6651 /* If we need the chess program but it's dead, restart it */
6652 ResurrectChessProgram();
6654 /* A user move restarts a paused game*/
6658 thinkOutput[0] = NULLCHAR;
6660 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6662 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6663 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6667 if (gameMode == BeginningOfGame) {
6668 if (appData.noChessProgram) {
6669 gameMode = EditGame;
6673 gameMode = MachinePlaysBlack;
6676 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6678 if (first.sendName) {
6679 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6680 SendToProgram(buf, &first);
6687 /* Relay move to ICS or chess engine */
6688 if (appData.icsActive) {
6689 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6690 gameMode == IcsExamining) {
6691 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6692 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6694 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6696 // also send plain move, in case ICS does not understand atomic claims
6697 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6701 if (first.sendTime && (gameMode == BeginningOfGame ||
6702 gameMode == MachinePlaysWhite ||
6703 gameMode == MachinePlaysBlack)) {
6704 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6706 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6707 // [HGM] book: if program might be playing, let it use book
6708 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6709 first.maybeThinking = TRUE;
6710 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6711 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6712 SendBoard(&first, currentMove+1);
6713 } else SendMoveToProgram(forwardMostMove-1, &first);
6714 if (currentMove == cmailOldMove + 1) {
6715 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6719 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6723 if(appData.testLegality)
6724 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6730 if (WhiteOnMove(currentMove)) {
6731 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6733 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6737 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6742 case MachinePlaysBlack:
6743 case MachinePlaysWhite:
6744 /* disable certain menu options while machine is thinking */
6745 SetMachineThinkingEnables();
6752 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6753 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6755 if(bookHit) { // [HGM] book: simulate book reply
6756 static char bookMove[MSG_SIZ]; // a bit generous?
6758 programStats.nodes = programStats.depth = programStats.time =
6759 programStats.score = programStats.got_only_move = 0;
6760 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6762 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6763 strcat(bookMove, bookHit);
6764 HandleMachineMove(bookMove, &first);
6770 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6772 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6773 Markers *m = (Markers *) closure;
6774 if(rf == fromY && ff == fromX)
6775 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6776 || kind == WhiteCapturesEnPassant
6777 || kind == BlackCapturesEnPassant);
6778 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6782 MarkTargetSquares (int clear)
6785 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6786 !appData.testLegality || gameMode == EditPosition) return;
6788 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6791 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6792 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6793 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6795 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6798 DrawPosition(TRUE, NULL);
6802 Explode (Board board, int fromX, int fromY, int toX, int toY)
6804 if(gameInfo.variant == VariantAtomic &&
6805 (board[toY][toX] != EmptySquare || // capture?
6806 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6807 board[fromY][fromX] == BlackPawn )
6809 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6815 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6818 CanPromote (ChessSquare piece, int y)
6820 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6821 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6822 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6823 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6824 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6825 gameInfo.variant == VariantMakruk) return FALSE;
6826 return (piece == BlackPawn && y == 1 ||
6827 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6828 piece == BlackLance && y == 1 ||
6829 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6833 LeftClick (ClickType clickType, int xPix, int yPix)
6836 Boolean saveAnimate;
6837 static int second = 0, promotionChoice = 0, clearFlag = 0;
6838 char promoChoice = NULLCHAR;
6841 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
6843 if (clickType == Press) ErrorPopDown();
6845 x = EventToSquare(xPix, BOARD_WIDTH);
6846 y = EventToSquare(yPix, BOARD_HEIGHT);
6847 if (!flipView && y >= 0) {
6848 y = BOARD_HEIGHT - 1 - y;
6850 if (flipView && x >= 0) {
6851 x = BOARD_WIDTH - 1 - x;
6854 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6855 defaultPromoChoice = promoSweep;
6856 promoSweep = EmptySquare; // terminate sweep
6857 promoDefaultAltered = TRUE;
6858 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6861 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6862 if(clickType == Release) return; // ignore upclick of click-click destination
6863 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6864 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6865 if(gameInfo.holdingsWidth &&
6866 (WhiteOnMove(currentMove)
6867 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6868 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6869 // click in right holdings, for determining promotion piece
6870 ChessSquare p = boards[currentMove][y][x];
6871 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6872 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6873 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6874 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6879 DrawPosition(FALSE, boards[currentMove]);
6883 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6884 if(clickType == Press
6885 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6886 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6887 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6890 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
6891 // could be static click on premove from-square: abort premove
6893 ClearPremoveHighlights();
6896 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6897 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6899 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6900 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6901 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6902 defaultPromoChoice = DefaultPromoChoice(side);
6905 autoQueen = appData.alwaysPromoteToQueen;
6909 gatingPiece = EmptySquare;
6910 if (clickType != Press) {
6911 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6912 DragPieceEnd(xPix, yPix); dragging = 0;
6913 DrawPosition(FALSE, NULL);
6917 fromX = x; fromY = y; toX = toY = -1;
6918 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6919 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6920 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6922 if (OKToStartUserMove(fromX, fromY)) {
6924 MarkTargetSquares(0);
6925 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6926 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6927 promoSweep = defaultPromoChoice;
6928 selectFlag = 0; lastX = xPix; lastY = yPix;
6929 Sweep(0); // Pawn that is going to promote: preview promotion piece
6930 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6932 if (appData.highlightDragging) {
6933 SetHighlights(fromX, fromY, -1, -1);
6935 } else fromX = fromY = -1;
6941 if (clickType == Press && gameMode != EditPosition) {
6946 // ignore off-board to clicks
6947 if(y < 0 || x < 0) return;
6949 /* Check if clicking again on the same color piece */
6950 fromP = boards[currentMove][fromY][fromX];
6951 toP = boards[currentMove][y][x];
6952 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6953 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6954 WhitePawn <= toP && toP <= WhiteKing &&
6955 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6956 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6957 (BlackPawn <= fromP && fromP <= BlackKing &&
6958 BlackPawn <= toP && toP <= BlackKing &&
6959 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6960 !(fromP == BlackKing && toP == BlackRook && frc))) {
6961 /* Clicked again on same color piece -- changed his mind */
6962 second = (x == fromX && y == fromY);
6963 promoDefaultAltered = FALSE;
6964 MarkTargetSquares(1);
6965 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6966 if (appData.highlightDragging) {
6967 SetHighlights(x, y, -1, -1);
6971 if (OKToStartUserMove(x, y)) {
6972 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6973 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6974 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6975 gatingPiece = boards[currentMove][fromY][fromX];
6976 else gatingPiece = EmptySquare;
6978 fromY = y; dragging = 1;
6979 MarkTargetSquares(0);
6980 DragPieceBegin(xPix, yPix, FALSE);
6981 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6982 promoSweep = defaultPromoChoice;
6983 selectFlag = 0; lastX = xPix; lastY = yPix;
6984 Sweep(0); // Pawn that is going to promote: preview promotion piece
6988 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6991 // ignore clicks on holdings
6992 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6995 if (clickType == Release && x == fromX && y == fromY) {
6996 DragPieceEnd(xPix, yPix); dragging = 0;
6998 // a deferred attempt to click-click move an empty square on top of a piece
6999 boards[currentMove][y][x] = EmptySquare;
7001 DrawPosition(FALSE, boards[currentMove]);
7002 fromX = fromY = -1; clearFlag = 0;
7005 if (appData.animateDragging) {
7006 /* Undo animation damage if any */
7007 DrawPosition(FALSE, NULL);
7010 /* Second up/down in same square; just abort move */
7013 gatingPiece = EmptySquare;
7016 ClearPremoveHighlights();
7018 /* First upclick in same square; start click-click mode */
7019 SetHighlights(x, y, -1, -1);
7026 /* we now have a different from- and (possibly off-board) to-square */
7027 /* Completed move */
7030 saveAnimate = appData.animate;
7031 MarkTargetSquares(1);
7032 if (clickType == Press) {
7033 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7034 // must be Edit Position mode with empty-square selected
7035 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7036 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7039 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7040 ChessSquare piece = boards[currentMove][fromY][fromX];
7041 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7042 promoSweep = defaultPromoChoice;
7043 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7044 selectFlag = 0; lastX = xPix; lastY = yPix;
7045 Sweep(0); // Pawn that is going to promote: preview promotion piece
7046 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7047 DrawPosition(FALSE, boards[currentMove]);
7050 /* Finish clickclick move */
7051 if (appData.animate || appData.highlightLastMove) {
7052 SetHighlights(fromX, fromY, toX, toY);
7057 /* Finish drag move */
7058 if (appData.highlightLastMove) {
7059 SetHighlights(fromX, fromY, toX, toY);
7063 DragPieceEnd(xPix, yPix); dragging = 0;
7064 /* Don't animate move and drag both */
7065 appData.animate = FALSE;
7068 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7069 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7070 ChessSquare piece = boards[currentMove][fromY][fromX];
7071 if(gameMode == EditPosition && piece != EmptySquare &&
7072 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7075 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7076 n = PieceToNumber(piece - (int)BlackPawn);
7077 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7078 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7079 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7081 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7082 n = PieceToNumber(piece);
7083 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7084 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7085 boards[currentMove][n][BOARD_WIDTH-2]++;
7087 boards[currentMove][fromY][fromX] = EmptySquare;
7091 DrawPosition(TRUE, boards[currentMove]);
7095 // off-board moves should not be highlighted
7096 if(x < 0 || y < 0) ClearHighlights();
7098 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7100 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7101 SetHighlights(fromX, fromY, toX, toY);
7102 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7103 // [HGM] super: promotion to captured piece selected from holdings
7104 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7105 promotionChoice = TRUE;
7106 // kludge follows to temporarily execute move on display, without promoting yet
7107 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7108 boards[currentMove][toY][toX] = p;
7109 DrawPosition(FALSE, boards[currentMove]);
7110 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7111 boards[currentMove][toY][toX] = q;
7112 DisplayMessage("Click in holdings to choose piece", "");
7117 int oldMove = currentMove;
7118 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7119 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7120 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7121 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7122 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7123 DrawPosition(TRUE, boards[currentMove]);
7126 appData.animate = saveAnimate;
7127 if (appData.animate || appData.animateDragging) {
7128 /* Undo animation damage if needed */
7129 DrawPosition(FALSE, NULL);
7134 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7135 { // front-end-free part taken out of PieceMenuPopup
7136 int whichMenu; int xSqr, ySqr;
7138 if(seekGraphUp) { // [HGM] seekgraph
7139 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7140 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7144 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7145 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7146 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7147 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7148 if(action == Press) {
7149 originalFlip = flipView;
7150 flipView = !flipView; // temporarily flip board to see game from partners perspective
7151 DrawPosition(TRUE, partnerBoard);
7152 DisplayMessage(partnerStatus, "");
7154 } else if(action == Release) {
7155 flipView = originalFlip;
7156 DrawPosition(TRUE, boards[currentMove]);
7162 xSqr = EventToSquare(x, BOARD_WIDTH);
7163 ySqr = EventToSquare(y, BOARD_HEIGHT);
7164 if (action == Release) {
7165 if(pieceSweep != EmptySquare) {
7166 EditPositionMenuEvent(pieceSweep, toX, toY);
7167 pieceSweep = EmptySquare;
7168 } else UnLoadPV(); // [HGM] pv
7170 if (action != Press) return -2; // return code to be ignored
7173 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7175 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7176 if (xSqr < 0 || ySqr < 0) return -1;
7177 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7178 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7179 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7180 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7184 if(!appData.icsEngineAnalyze) return -1;
7185 case IcsPlayingWhite:
7186 case IcsPlayingBlack:
7187 if(!appData.zippyPlay) goto noZip;
7190 case MachinePlaysWhite:
7191 case MachinePlaysBlack:
7192 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7193 if (!appData.dropMenu) {
7195 return 2; // flag front-end to grab mouse events
7197 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7198 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7201 if (xSqr < 0 || ySqr < 0) return -1;
7202 if (!appData.dropMenu || appData.testLegality &&
7203 gameInfo.variant != VariantBughouse &&
7204 gameInfo.variant != VariantCrazyhouse) return -1;
7205 whichMenu = 1; // drop menu
7211 if (((*fromX = xSqr) < 0) ||
7212 ((*fromY = ySqr) < 0)) {
7213 *fromX = *fromY = -1;
7217 *fromX = BOARD_WIDTH - 1 - *fromX;
7219 *fromY = BOARD_HEIGHT - 1 - *fromY;
7225 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7227 // char * hint = lastHint;
7228 FrontEndProgramStats stats;
7230 stats.which = cps == &first ? 0 : 1;
7231 stats.depth = cpstats->depth;
7232 stats.nodes = cpstats->nodes;
7233 stats.score = cpstats->score;
7234 stats.time = cpstats->time;
7235 stats.pv = cpstats->movelist;
7236 stats.hint = lastHint;
7237 stats.an_move_index = 0;
7238 stats.an_move_count = 0;
7240 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7241 stats.hint = cpstats->move_name;
7242 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7243 stats.an_move_count = cpstats->nr_moves;
7246 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
7248 SetProgramStats( &stats );
7252 ClearEngineOutputPane (int which)
7254 static FrontEndProgramStats dummyStats;
7255 dummyStats.which = which;
7256 dummyStats.pv = "#";
7257 SetProgramStats( &dummyStats );
7260 #define MAXPLAYERS 500
7263 TourneyStandings (int display)
7265 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7266 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7267 char result, *p, *names[MAXPLAYERS];
7269 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7270 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7271 names[0] = p = strdup(appData.participants);
7272 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7274 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7276 while(result = appData.results[nr]) {
7277 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7278 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7279 wScore = bScore = 0;
7281 case '+': wScore = 2; break;
7282 case '-': bScore = 2; break;
7283 case '=': wScore = bScore = 1; break;
7285 case '*': return strdup("busy"); // tourney not finished
7293 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7294 for(w=0; w<nPlayers; w++) {
7296 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7297 ranking[w] = b; points[w] = bScore; score[b] = -2;
7299 p = malloc(nPlayers*34+1);
7300 for(w=0; w<nPlayers && w<display; w++)
7301 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7307 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7308 { // count all piece types
7310 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7311 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7312 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7315 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7316 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7317 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7318 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7319 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7320 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7325 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7327 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7328 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7330 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7331 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7332 if(myPawns == 2 && nMine == 3) // KPP
7333 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7334 if(myPawns == 1 && nMine == 2) // KP
7335 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7336 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7337 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7338 if(myPawns) return FALSE;
7339 if(pCnt[WhiteRook+side])
7340 return pCnt[BlackRook-side] ||
7341 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7342 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7343 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7344 if(pCnt[WhiteCannon+side]) {
7345 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7346 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7348 if(pCnt[WhiteKnight+side])
7349 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7354 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7356 VariantClass v = gameInfo.variant;
7358 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7359 if(v == VariantShatranj) return TRUE; // always winnable through baring
7360 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7361 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7363 if(v == VariantXiangqi) {
7364 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7366 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7367 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7368 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7369 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7370 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7371 if(stale) // we have at least one last-rank P plus perhaps C
7372 return majors // KPKX
7373 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7375 return pCnt[WhiteFerz+side] // KCAK
7376 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7377 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7378 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7380 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7381 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7383 if(nMine == 1) return FALSE; // bare King
7384 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
7385 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7386 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7387 // by now we have King + 1 piece (or multiple Bishops on the same color)
7388 if(pCnt[WhiteKnight+side])
7389 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7390 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7391 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7393 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7394 if(pCnt[WhiteAlfil+side])
7395 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7396 if(pCnt[WhiteWazir+side])
7397 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7404 CompareWithRights (Board b1, Board b2)
7407 if(!CompareBoards(b1, b2)) return FALSE;
7408 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7409 /* compare castling rights */
7410 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7411 rights++; /* King lost rights, while rook still had them */
7412 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7413 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7414 rights++; /* but at least one rook lost them */
7416 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7418 if( b1[CASTLING][5] != NoRights ) {
7419 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7426 Adjudicate (ChessProgramState *cps)
7427 { // [HGM] some adjudications useful with buggy engines
7428 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7429 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7430 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7431 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7432 int k, count = 0; static int bare = 1;
7433 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7434 Boolean canAdjudicate = !appData.icsActive;
7436 // most tests only when we understand the game, i.e. legality-checking on
7437 if( appData.testLegality )
7438 { /* [HGM] Some more adjudications for obstinate engines */
7439 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7440 static int moveCount = 6;
7442 char *reason = NULL;
7444 /* Count what is on board. */
7445 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7447 /* Some material-based adjudications that have to be made before stalemate test */
7448 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7449 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7450 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7451 if(canAdjudicate && appData.checkMates) {
7453 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7454 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7455 "Xboard adjudication: King destroyed", GE_XBOARD );
7460 /* Bare King in Shatranj (loses) or Losers (wins) */
7461 if( nrW == 1 || nrB == 1) {
7462 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7463 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7464 if(canAdjudicate && appData.checkMates) {
7466 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7467 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7468 "Xboard adjudication: Bare king", GE_XBOARD );
7472 if( gameInfo.variant == VariantShatranj && --bare < 0)
7474 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7475 if(canAdjudicate && appData.checkMates) {
7476 /* but only adjudicate if adjudication enabled */
7478 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7479 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7480 "Xboard adjudication: Bare king", GE_XBOARD );
7487 // don't wait for engine to announce game end if we can judge ourselves
7488 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7490 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7491 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7492 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7493 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7496 reason = "Xboard adjudication: 3rd check";
7497 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7507 reason = "Xboard adjudication: Stalemate";
7508 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7509 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7510 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7511 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7512 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7513 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7514 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7515 EP_CHECKMATE : EP_WINS);
7516 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7517 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7521 reason = "Xboard adjudication: Checkmate";
7522 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7526 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7528 result = GameIsDrawn; break;
7530 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7532 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7536 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7538 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7539 GameEnds( result, reason, GE_XBOARD );
7543 /* Next absolutely insufficient mating material. */
7544 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7545 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7546 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7548 /* always flag draws, for judging claims */
7549 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7551 if(canAdjudicate && appData.materialDraws) {
7552 /* but only adjudicate them if adjudication enabled */
7553 if(engineOpponent) {
7554 SendToProgram("force\n", engineOpponent); // suppress reply
7555 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7557 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7562 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7563 if(gameInfo.variant == VariantXiangqi ?
7564 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7566 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7567 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7568 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7569 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7571 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7572 { /* if the first 3 moves do not show a tactical win, declare draw */
7573 if(engineOpponent) {
7574 SendToProgram("force\n", engineOpponent); // suppress reply
7575 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7577 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7580 } else moveCount = 6;
7583 // Repetition draws and 50-move rule can be applied independently of legality testing
7585 /* Check for rep-draws */
7587 for(k = forwardMostMove-2;
7588 k>=backwardMostMove && k>=forwardMostMove-100 &&
7589 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7590 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7593 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7594 /* compare castling rights */
7595 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7596 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7597 rights++; /* King lost rights, while rook still had them */
7598 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7599 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7600 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7601 rights++; /* but at least one rook lost them */
7603 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7604 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7606 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7607 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7608 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7611 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7612 && appData.drawRepeats > 1) {
7613 /* adjudicate after user-specified nr of repeats */
7614 int result = GameIsDrawn;
7615 char *details = "XBoard adjudication: repetition draw";
7616 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7617 // [HGM] xiangqi: check for forbidden perpetuals
7618 int m, ourPerpetual = 1, hisPerpetual = 1;
7619 for(m=forwardMostMove; m>k; m-=2) {
7620 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7621 ourPerpetual = 0; // the current mover did not always check
7622 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7623 hisPerpetual = 0; // the opponent did not always check
7625 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7626 ourPerpetual, hisPerpetual);
7627 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7628 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7629 details = "Xboard adjudication: perpetual checking";
7631 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7632 break; // (or we would have caught him before). Abort repetition-checking loop.
7634 // Now check for perpetual chases
7635 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7636 hisPerpetual = PerpetualChase(k, forwardMostMove);
7637 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7638 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7639 static char resdet[MSG_SIZ];
7640 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7642 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7644 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7645 break; // Abort repetition-checking loop.
7647 // if neither of us is checking or chasing all the time, or both are, it is draw
7649 if(engineOpponent) {
7650 SendToProgram("force\n", engineOpponent); // suppress reply
7651 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7653 GameEnds( result, details, GE_XBOARD );
7656 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7657 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7661 /* Now we test for 50-move draws. Determine ply count */
7662 count = forwardMostMove;
7663 /* look for last irreversble move */
7664 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7666 /* if we hit starting position, add initial plies */
7667 if( count == backwardMostMove )
7668 count -= initialRulePlies;
7669 count = forwardMostMove - count;
7670 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7671 // adjust reversible move counter for checks in Xiangqi
7672 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7673 if(i < backwardMostMove) i = backwardMostMove;
7674 while(i <= forwardMostMove) {
7675 lastCheck = inCheck; // check evasion does not count
7676 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7677 if(inCheck || lastCheck) count--; // check does not count
7682 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7683 /* this is used to judge if draw claims are legal */
7684 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7685 if(engineOpponent) {
7686 SendToProgram("force\n", engineOpponent); // suppress reply
7687 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7689 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7693 /* if draw offer is pending, treat it as a draw claim
7694 * when draw condition present, to allow engines a way to
7695 * claim draws before making their move to avoid a race
7696 * condition occurring after their move
7698 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7700 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7701 p = "Draw claim: 50-move rule";
7702 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7703 p = "Draw claim: 3-fold repetition";
7704 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7705 p = "Draw claim: insufficient mating material";
7706 if( p != NULL && canAdjudicate) {
7707 if(engineOpponent) {
7708 SendToProgram("force\n", engineOpponent); // suppress reply
7709 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7711 GameEnds( GameIsDrawn, p, GE_XBOARD );
7716 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7717 if(engineOpponent) {
7718 SendToProgram("force\n", engineOpponent); // suppress reply
7719 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7721 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7728 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7729 { // [HGM] book: this routine intercepts moves to simulate book replies
7730 char *bookHit = NULL;
7732 //first determine if the incoming move brings opponent into his book
7733 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7734 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7735 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7736 if(bookHit != NULL && !cps->bookSuspend) {
7737 // make sure opponent is not going to reply after receiving move to book position
7738 SendToProgram("force\n", cps);
7739 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7741 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7742 // now arrange restart after book miss
7744 // after a book hit we never send 'go', and the code after the call to this routine
7745 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7746 char buf[MSG_SIZ], *move = bookHit;
7748 int fromX, fromY, toX, toY;
7752 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7753 &fromX, &fromY, &toX, &toY, &promoChar)) {
7754 (void) CoordsToAlgebraic(boards[forwardMostMove],
7755 PosFlags(forwardMostMove),
7756 fromY, fromX, toY, toX, promoChar, move);
7758 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7762 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7763 SendToProgram(buf, cps);
7764 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7765 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7766 SendToProgram("go\n", cps);
7767 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7768 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7769 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7770 SendToProgram("go\n", cps);
7771 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7773 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7777 ChessProgramState *savedState;
7779 DeferredBookMove (void)
7781 if(savedState->lastPing != savedState->lastPong)
7782 ScheduleDelayedEvent(DeferredBookMove, 10);
7784 HandleMachineMove(savedMessage, savedState);
7787 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7790 HandleMachineMove (char *message, ChessProgramState *cps)
7792 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7793 char realname[MSG_SIZ];
7794 int fromX, fromY, toX, toY;
7801 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7802 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7803 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7804 DisplayError(_("Invalid pairing from pairing engine"), 0);
7807 pairingReceived = 1;
7809 return; // Skim the pairing messages here.
7814 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7816 * Kludge to ignore BEL characters
7818 while (*message == '\007') message++;
7821 * [HGM] engine debug message: ignore lines starting with '#' character
7823 if(cps->debug && *message == '#') return;
7826 * Look for book output
7828 if (cps == &first && bookRequested) {
7829 if (message[0] == '\t' || message[0] == ' ') {
7830 /* Part of the book output is here; append it */
7831 strcat(bookOutput, message);
7832 strcat(bookOutput, " \n");
7834 } else if (bookOutput[0] != NULLCHAR) {
7835 /* All of book output has arrived; display it */
7836 char *p = bookOutput;
7837 while (*p != NULLCHAR) {
7838 if (*p == '\t') *p = ' ';
7841 DisplayInformation(bookOutput);
7842 bookRequested = FALSE;
7843 /* Fall through to parse the current output */
7848 * Look for machine move.
7850 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7851 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7853 /* This method is only useful on engines that support ping */
7854 if (cps->lastPing != cps->lastPong) {
7855 if (gameMode == BeginningOfGame) {
7856 /* Extra move from before last new; ignore */
7857 if (appData.debugMode) {
7858 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7861 if (appData.debugMode) {
7862 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7863 cps->which, gameMode);
7866 SendToProgram("undo\n", cps);
7872 case BeginningOfGame:
7873 /* Extra move from before last reset; ignore */
7874 if (appData.debugMode) {
7875 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7882 /* Extra move after we tried to stop. The mode test is
7883 not a reliable way of detecting this problem, but it's
7884 the best we can do on engines that don't support ping.
7886 if (appData.debugMode) {
7887 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7888 cps->which, gameMode);
7890 SendToProgram("undo\n", cps);
7893 case MachinePlaysWhite:
7894 case IcsPlayingWhite:
7895 machineWhite = TRUE;
7898 case MachinePlaysBlack:
7899 case IcsPlayingBlack:
7900 machineWhite = FALSE;
7903 case TwoMachinesPlay:
7904 machineWhite = (cps->twoMachinesColor[0] == 'w');
7907 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7908 if (appData.debugMode) {
7910 "Ignoring move out of turn by %s, gameMode %d"
7911 ", forwardMost %d\n",
7912 cps->which, gameMode, forwardMostMove);
7917 if(cps->alphaRank) AlphaRank(machineMove, 4);
7918 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7919 &fromX, &fromY, &toX, &toY, &promoChar)) {
7920 /* Machine move could not be parsed; ignore it. */
7921 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7922 machineMove, _(cps->which));
7923 DisplayError(buf1, 0);
7924 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7925 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7926 if (gameMode == TwoMachinesPlay) {
7927 GameEnds(machineWhite ? BlackWins : WhiteWins,
7933 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7934 /* So we have to redo legality test with true e.p. status here, */
7935 /* to make sure an illegal e.p. capture does not slip through, */
7936 /* to cause a forfeit on a justified illegal-move complaint */
7937 /* of the opponent. */
7938 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7940 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7941 fromY, fromX, toY, toX, promoChar);
7942 if(moveType == IllegalMove) {
7943 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7944 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7945 GameEnds(machineWhite ? BlackWins : WhiteWins,
7948 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7949 /* [HGM] Kludge to handle engines that send FRC-style castling
7950 when they shouldn't (like TSCP-Gothic) */
7952 case WhiteASideCastleFR:
7953 case BlackASideCastleFR:
7955 currentMoveString[2]++;
7957 case WhiteHSideCastleFR:
7958 case BlackHSideCastleFR:
7960 currentMoveString[2]--;
7962 default: ; // nothing to do, but suppresses warning of pedantic compilers
7965 hintRequested = FALSE;
7966 lastHint[0] = NULLCHAR;
7967 bookRequested = FALSE;
7968 /* Program may be pondering now */
7969 cps->maybeThinking = TRUE;
7970 if (cps->sendTime == 2) cps->sendTime = 1;
7971 if (cps->offeredDraw) cps->offeredDraw--;
7973 /* [AS] Save move info*/
7974 pvInfoList[ forwardMostMove ].score = programStats.score;
7975 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7976 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7978 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7980 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7981 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7984 while( count < adjudicateLossPlies ) {
7985 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7988 score = -score; /* Flip score for winning side */
7991 if( score > adjudicateLossThreshold ) {
7998 if( count >= adjudicateLossPlies ) {
7999 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8001 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8002 "Xboard adjudication",
8009 if(Adjudicate(cps)) {
8010 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8011 return; // [HGM] adjudicate: for all automatic game ends
8015 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8017 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8018 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8020 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8022 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8024 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8025 char buf[3*MSG_SIZ];
8027 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8028 programStats.score / 100.,
8030 programStats.time / 100.,
8031 (unsigned int)programStats.nodes,
8032 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8033 programStats.movelist);
8035 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8040 /* [AS] Clear stats for next move */
8041 ClearProgramStats();
8042 thinkOutput[0] = NULLCHAR;
8043 hiddenThinkOutputState = 0;
8046 if (gameMode == TwoMachinesPlay) {
8047 /* [HGM] relaying draw offers moved to after reception of move */
8048 /* and interpreting offer as claim if it brings draw condition */
8049 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8050 SendToProgram("draw\n", cps->other);
8052 if (cps->other->sendTime) {
8053 SendTimeRemaining(cps->other,
8054 cps->other->twoMachinesColor[0] == 'w');
8056 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8057 if (firstMove && !bookHit) {
8059 if (cps->other->useColors) {
8060 SendToProgram(cps->other->twoMachinesColor, cps->other);
8062 SendToProgram("go\n", cps->other);
8064 cps->other->maybeThinking = TRUE;
8067 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8069 if (!pausing && appData.ringBellAfterMoves) {
8074 * Reenable menu items that were disabled while
8075 * machine was thinking
8077 if (gameMode != TwoMachinesPlay)
8078 SetUserThinkingEnables();
8080 // [HGM] book: after book hit opponent has received move and is now in force mode
8081 // force the book reply into it, and then fake that it outputted this move by jumping
8082 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8084 static char bookMove[MSG_SIZ]; // a bit generous?
8086 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8087 strcat(bookMove, bookHit);
8090 programStats.nodes = programStats.depth = programStats.time =
8091 programStats.score = programStats.got_only_move = 0;
8092 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8094 if(cps->lastPing != cps->lastPong) {
8095 savedMessage = message; // args for deferred call
8097 ScheduleDelayedEvent(DeferredBookMove, 10);
8106 /* Set special modes for chess engines. Later something general
8107 * could be added here; for now there is just one kludge feature,
8108 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8109 * when "xboard" is given as an interactive command.
8111 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8112 cps->useSigint = FALSE;
8113 cps->useSigterm = FALSE;
8115 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8116 ParseFeatures(message+8, cps);
8117 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8120 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8121 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8122 int dummy, s=6; char buf[MSG_SIZ];
8123 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8124 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8125 if(startedFromSetupPosition) return;
8126 ParseFEN(boards[0], &dummy, message+s);
8127 DrawPosition(TRUE, boards[0]);
8128 startedFromSetupPosition = TRUE;
8131 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8132 * want this, I was asked to put it in, and obliged.
8134 if (!strncmp(message, "setboard ", 9)) {
8135 Board initial_position;
8137 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8139 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8140 DisplayError(_("Bad FEN received from engine"), 0);
8144 CopyBoard(boards[0], initial_position);
8145 initialRulePlies = FENrulePlies;
8146 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8147 else gameMode = MachinePlaysBlack;
8148 DrawPosition(FALSE, boards[currentMove]);
8154 * Look for communication commands
8156 if (!strncmp(message, "telluser ", 9)) {
8157 if(message[9] == '\\' && message[10] == '\\')
8158 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8160 DisplayNote(message + 9);
8163 if (!strncmp(message, "tellusererror ", 14)) {
8165 if(message[14] == '\\' && message[15] == '\\')
8166 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8168 DisplayError(message + 14, 0);
8171 if (!strncmp(message, "tellopponent ", 13)) {
8172 if (appData.icsActive) {
8174 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8178 DisplayNote(message + 13);
8182 if (!strncmp(message, "tellothers ", 11)) {
8183 if (appData.icsActive) {
8185 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8191 if (!strncmp(message, "tellall ", 8)) {
8192 if (appData.icsActive) {
8194 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8198 DisplayNote(message + 8);
8202 if (strncmp(message, "warning", 7) == 0) {
8203 /* Undocumented feature, use tellusererror in new code */
8204 DisplayError(message, 0);
8207 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8208 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8209 strcat(realname, " query");
8210 AskQuestion(realname, buf2, buf1, cps->pr);
8213 /* Commands from the engine directly to ICS. We don't allow these to be
8214 * sent until we are logged on. Crafty kibitzes have been known to
8215 * interfere with the login process.
8218 if (!strncmp(message, "tellics ", 8)) {
8219 SendToICS(message + 8);
8223 if (!strncmp(message, "tellicsnoalias ", 15)) {
8224 SendToICS(ics_prefix);
8225 SendToICS(message + 15);
8229 /* The following are for backward compatibility only */
8230 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8231 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8232 SendToICS(ics_prefix);
8238 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8242 * If the move is illegal, cancel it and redraw the board.
8243 * Also deal with other error cases. Matching is rather loose
8244 * here to accommodate engines written before the spec.
8246 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8247 strncmp(message, "Error", 5) == 0) {
8248 if (StrStr(message, "name") ||
8249 StrStr(message, "rating") || StrStr(message, "?") ||
8250 StrStr(message, "result") || StrStr(message, "board") ||
8251 StrStr(message, "bk") || StrStr(message, "computer") ||
8252 StrStr(message, "variant") || StrStr(message, "hint") ||
8253 StrStr(message, "random") || StrStr(message, "depth") ||
8254 StrStr(message, "accepted")) {
8257 if (StrStr(message, "protover")) {
8258 /* Program is responding to input, so it's apparently done
8259 initializing, and this error message indicates it is
8260 protocol version 1. So we don't need to wait any longer
8261 for it to initialize and send feature commands. */
8262 FeatureDone(cps, 1);
8263 cps->protocolVersion = 1;
8266 cps->maybeThinking = FALSE;
8268 if (StrStr(message, "draw")) {
8269 /* Program doesn't have "draw" command */
8270 cps->sendDrawOffers = 0;
8273 if (cps->sendTime != 1 &&
8274 (StrStr(message, "time") || StrStr(message, "otim"))) {
8275 /* Program apparently doesn't have "time" or "otim" command */
8279 if (StrStr(message, "analyze")) {
8280 cps->analysisSupport = FALSE;
8281 cps->analyzing = FALSE;
8282 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8283 EditGameEvent(); // [HGM] try to preserve loaded game
8284 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8285 DisplayError(buf2, 0);
8288 if (StrStr(message, "(no matching move)st")) {
8289 /* Special kludge for GNU Chess 4 only */
8290 cps->stKludge = TRUE;
8291 SendTimeControl(cps, movesPerSession, timeControl,
8292 timeIncrement, appData.searchDepth,
8296 if (StrStr(message, "(no matching move)sd")) {
8297 /* Special kludge for GNU Chess 4 only */
8298 cps->sdKludge = TRUE;
8299 SendTimeControl(cps, movesPerSession, timeControl,
8300 timeIncrement, appData.searchDepth,
8304 if (!StrStr(message, "llegal")) {
8307 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8308 gameMode == IcsIdle) return;
8309 if (forwardMostMove <= backwardMostMove) return;
8310 if (pausing) PauseEvent();
8311 if(appData.forceIllegal) {
8312 // [HGM] illegal: machine refused move; force position after move into it
8313 SendToProgram("force\n", cps);
8314 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8315 // we have a real problem now, as SendBoard will use the a2a3 kludge
8316 // when black is to move, while there might be nothing on a2 or black
8317 // might already have the move. So send the board as if white has the move.
8318 // But first we must change the stm of the engine, as it refused the last move
8319 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8320 if(WhiteOnMove(forwardMostMove)) {
8321 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8322 SendBoard(cps, forwardMostMove); // kludgeless board
8324 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8325 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8326 SendBoard(cps, forwardMostMove+1); // kludgeless board
8328 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8329 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8330 gameMode == TwoMachinesPlay)
8331 SendToProgram("go\n", cps);
8334 if (gameMode == PlayFromGameFile) {
8335 /* Stop reading this game file */
8336 gameMode = EditGame;
8339 /* [HGM] illegal-move claim should forfeit game when Xboard */
8340 /* only passes fully legal moves */
8341 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8342 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8343 "False illegal-move claim", GE_XBOARD );
8344 return; // do not take back move we tested as valid
8346 currentMove = forwardMostMove-1;
8347 DisplayMove(currentMove-1); /* before DisplayMoveError */
8348 SwitchClocks(forwardMostMove-1); // [HGM] race
8349 DisplayBothClocks();
8350 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8351 parseList[currentMove], _(cps->which));
8352 DisplayMoveError(buf1);
8353 DrawPosition(FALSE, boards[currentMove]);
8355 SetUserThinkingEnables();
8358 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8359 /* Program has a broken "time" command that
8360 outputs a string not ending in newline.
8366 * If chess program startup fails, exit with an error message.
8367 * Attempts to recover here are futile. [HGM] Well, we try anyway
8369 if ((StrStr(message, "unknown host") != NULL)
8370 || (StrStr(message, "No remote directory") != NULL)
8371 || (StrStr(message, "not found") != NULL)
8372 || (StrStr(message, "No such file") != NULL)
8373 || (StrStr(message, "can't alloc") != NULL)
8374 || (StrStr(message, "Permission denied") != NULL)) {
8376 cps->maybeThinking = FALSE;
8377 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8378 _(cps->which), cps->program, cps->host, message);
8379 RemoveInputSource(cps->isr);
8380 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8382 appData.noChessProgram = TRUE;
8383 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8384 gameMode = BeginningOfGame; ModeHighlight();
8387 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8388 DisplayMessage("", ""); // erase waiting message
8389 DisplayError(buf1, 0);
8395 * Look for hint output
8397 if (sscanf(message, "Hint: %s", buf1) == 1) {
8398 if (cps == &first && hintRequested) {
8399 hintRequested = FALSE;
8400 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8401 &fromX, &fromY, &toX, &toY, &promoChar)) {
8402 (void) CoordsToAlgebraic(boards[forwardMostMove],
8403 PosFlags(forwardMostMove),
8404 fromY, fromX, toY, toX, promoChar, buf1);
8405 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8406 DisplayInformation(buf2);
8408 /* Hint move could not be parsed!? */
8409 snprintf(buf2, sizeof(buf2),
8410 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8411 buf1, _(cps->which));
8412 DisplayError(buf2, 0);
8415 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8421 * Ignore other messages if game is not in progress
8423 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8424 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8427 * look for win, lose, draw, or draw offer
8429 if (strncmp(message, "1-0", 3) == 0) {
8430 char *p, *q, *r = "";
8431 p = strchr(message, '{');
8439 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8441 } else if (strncmp(message, "0-1", 3) == 0) {
8442 char *p, *q, *r = "";
8443 p = strchr(message, '{');
8451 /* Kludge for Arasan 4.1 bug */
8452 if (strcmp(r, "Black resigns") == 0) {
8453 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8456 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8458 } else if (strncmp(message, "1/2", 3) == 0) {
8459 char *p, *q, *r = "";
8460 p = strchr(message, '{');
8469 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8472 } else if (strncmp(message, "White resign", 12) == 0) {
8473 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8475 } else if (strncmp(message, "Black resign", 12) == 0) {
8476 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8478 } else if (strncmp(message, "White matches", 13) == 0 ||
8479 strncmp(message, "Black matches", 13) == 0 ) {
8480 /* [HGM] ignore GNUShogi noises */
8482 } else if (strncmp(message, "White", 5) == 0 &&
8483 message[5] != '(' &&
8484 StrStr(message, "Black") == NULL) {
8485 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8487 } else if (strncmp(message, "Black", 5) == 0 &&
8488 message[5] != '(') {
8489 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8491 } else if (strcmp(message, "resign") == 0 ||
8492 strcmp(message, "computer resigns") == 0) {
8494 case MachinePlaysBlack:
8495 case IcsPlayingBlack:
8496 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8498 case MachinePlaysWhite:
8499 case IcsPlayingWhite:
8500 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8502 case TwoMachinesPlay:
8503 if (cps->twoMachinesColor[0] == 'w')
8504 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8506 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8513 } else if (strncmp(message, "opponent mates", 14) == 0) {
8515 case MachinePlaysBlack:
8516 case IcsPlayingBlack:
8517 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8519 case MachinePlaysWhite:
8520 case IcsPlayingWhite:
8521 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8523 case TwoMachinesPlay:
8524 if (cps->twoMachinesColor[0] == 'w')
8525 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8527 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8534 } else if (strncmp(message, "computer mates", 14) == 0) {
8536 case MachinePlaysBlack:
8537 case IcsPlayingBlack:
8538 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8540 case MachinePlaysWhite:
8541 case IcsPlayingWhite:
8542 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8544 case TwoMachinesPlay:
8545 if (cps->twoMachinesColor[0] == 'w')
8546 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8548 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8555 } else if (strncmp(message, "checkmate", 9) == 0) {
8556 if (WhiteOnMove(forwardMostMove)) {
8557 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8559 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8562 } else if (strstr(message, "Draw") != NULL ||
8563 strstr(message, "game is a draw") != NULL) {
8564 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8566 } else if (strstr(message, "offer") != NULL &&
8567 strstr(message, "draw") != NULL) {
8569 if (appData.zippyPlay && first.initDone) {
8570 /* Relay offer to ICS */
8571 SendToICS(ics_prefix);
8572 SendToICS("draw\n");
8575 cps->offeredDraw = 2; /* valid until this engine moves twice */
8576 if (gameMode == TwoMachinesPlay) {
8577 if (cps->other->offeredDraw) {
8578 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8579 /* [HGM] in two-machine mode we delay relaying draw offer */
8580 /* until after we also have move, to see if it is really claim */
8582 } else if (gameMode == MachinePlaysWhite ||
8583 gameMode == MachinePlaysBlack) {
8584 if (userOfferedDraw) {
8585 DisplayInformation(_("Machine accepts your draw offer"));
8586 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8588 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8595 * Look for thinking output
8597 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8598 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8600 int plylev, mvleft, mvtot, curscore, time;
8601 char mvname[MOVE_LEN];
8605 int prefixHint = FALSE;
8606 mvname[0] = NULLCHAR;
8609 case MachinePlaysBlack:
8610 case IcsPlayingBlack:
8611 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8613 case MachinePlaysWhite:
8614 case IcsPlayingWhite:
8615 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8620 case IcsObserving: /* [DM] icsEngineAnalyze */
8621 if (!appData.icsEngineAnalyze) ignore = TRUE;
8623 case TwoMachinesPlay:
8624 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8634 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8636 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8637 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8639 if (plyext != ' ' && plyext != '\t') {
8643 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8644 if( cps->scoreIsAbsolute &&
8645 ( gameMode == MachinePlaysBlack ||
8646 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8647 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8648 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8649 !WhiteOnMove(currentMove)
8652 curscore = -curscore;
8655 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8657 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8660 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8661 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8662 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8663 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8664 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8665 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8667 } else DisplayError(_("failed writing PV"), 0);
8670 tempStats.depth = plylev;
8671 tempStats.nodes = nodes;
8672 tempStats.time = time;
8673 tempStats.score = curscore;
8674 tempStats.got_only_move = 0;
8676 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8679 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8680 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8681 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8682 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8683 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8684 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8685 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8686 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8689 /* Buffer overflow protection */
8690 if (pv[0] != NULLCHAR) {
8691 if (strlen(pv) >= sizeof(tempStats.movelist)
8692 && appData.debugMode) {
8694 "PV is too long; using the first %u bytes.\n",
8695 (unsigned) sizeof(tempStats.movelist) - 1);
8698 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8700 sprintf(tempStats.movelist, " no PV\n");
8703 if (tempStats.seen_stat) {
8704 tempStats.ok_to_send = 1;
8707 if (strchr(tempStats.movelist, '(') != NULL) {
8708 tempStats.line_is_book = 1;
8709 tempStats.nr_moves = 0;
8710 tempStats.moves_left = 0;
8712 tempStats.line_is_book = 0;
8715 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8716 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8718 SendProgramStatsToFrontend( cps, &tempStats );
8721 [AS] Protect the thinkOutput buffer from overflow... this
8722 is only useful if buf1 hasn't overflowed first!
8724 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8726 (gameMode == TwoMachinesPlay ?
8727 ToUpper(cps->twoMachinesColor[0]) : ' '),
8728 ((double) curscore) / 100.0,
8729 prefixHint ? lastHint : "",
8730 prefixHint ? " " : "" );
8732 if( buf1[0] != NULLCHAR ) {
8733 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8735 if( strlen(pv) > max_len ) {
8736 if( appData.debugMode) {
8737 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8739 pv[max_len+1] = '\0';
8742 strcat( thinkOutput, pv);
8745 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8746 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8747 DisplayMove(currentMove - 1);
8751 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8752 /* crafty (9.25+) says "(only move) <move>"
8753 * if there is only 1 legal move
8755 sscanf(p, "(only move) %s", buf1);
8756 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8757 sprintf(programStats.movelist, "%s (only move)", buf1);
8758 programStats.depth = 1;
8759 programStats.nr_moves = 1;
8760 programStats.moves_left = 1;
8761 programStats.nodes = 1;
8762 programStats.time = 1;
8763 programStats.got_only_move = 1;
8765 /* Not really, but we also use this member to
8766 mean "line isn't going to change" (Crafty
8767 isn't searching, so stats won't change) */
8768 programStats.line_is_book = 1;
8770 SendProgramStatsToFrontend( cps, &programStats );
8772 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8773 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8774 DisplayMove(currentMove - 1);
8777 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8778 &time, &nodes, &plylev, &mvleft,
8779 &mvtot, mvname) >= 5) {
8780 /* The stat01: line is from Crafty (9.29+) in response
8781 to the "." command */
8782 programStats.seen_stat = 1;
8783 cps->maybeThinking = TRUE;
8785 if (programStats.got_only_move || !appData.periodicUpdates)
8788 programStats.depth = plylev;
8789 programStats.time = time;
8790 programStats.nodes = nodes;
8791 programStats.moves_left = mvleft;
8792 programStats.nr_moves = mvtot;
8793 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8794 programStats.ok_to_send = 1;
8795 programStats.movelist[0] = '\0';
8797 SendProgramStatsToFrontend( cps, &programStats );
8801 } else if (strncmp(message,"++",2) == 0) {
8802 /* Crafty 9.29+ outputs this */
8803 programStats.got_fail = 2;
8806 } else if (strncmp(message,"--",2) == 0) {
8807 /* Crafty 9.29+ outputs this */
8808 programStats.got_fail = 1;
8811 } else if (thinkOutput[0] != NULLCHAR &&
8812 strncmp(message, " ", 4) == 0) {
8813 unsigned message_len;
8816 while (*p && *p == ' ') p++;
8818 message_len = strlen( p );
8820 /* [AS] Avoid buffer overflow */
8821 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8822 strcat(thinkOutput, " ");
8823 strcat(thinkOutput, p);
8826 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8827 strcat(programStats.movelist, " ");
8828 strcat(programStats.movelist, p);
8831 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8832 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8833 DisplayMove(currentMove - 1);
8841 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8842 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8844 ChessProgramStats cpstats;
8846 if (plyext != ' ' && plyext != '\t') {
8850 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8851 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8852 curscore = -curscore;
8855 cpstats.depth = plylev;
8856 cpstats.nodes = nodes;
8857 cpstats.time = time;
8858 cpstats.score = curscore;
8859 cpstats.got_only_move = 0;
8860 cpstats.movelist[0] = '\0';
8862 if (buf1[0] != NULLCHAR) {
8863 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8866 cpstats.ok_to_send = 0;
8867 cpstats.line_is_book = 0;
8868 cpstats.nr_moves = 0;
8869 cpstats.moves_left = 0;
8871 SendProgramStatsToFrontend( cps, &cpstats );
8878 /* Parse a game score from the character string "game", and
8879 record it as the history of the current game. The game
8880 score is NOT assumed to start from the standard position.
8881 The display is not updated in any way.
8884 ParseGameHistory (char *game)
8887 int fromX, fromY, toX, toY, boardIndex;
8892 if (appData.debugMode)
8893 fprintf(debugFP, "Parsing game history: %s\n", game);
8895 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8896 gameInfo.site = StrSave(appData.icsHost);
8897 gameInfo.date = PGNDate();
8898 gameInfo.round = StrSave("-");
8900 /* Parse out names of players */
8901 while (*game == ' ') game++;
8903 while (*game != ' ') *p++ = *game++;
8905 gameInfo.white = StrSave(buf);
8906 while (*game == ' ') game++;
8908 while (*game != ' ' && *game != '\n') *p++ = *game++;
8910 gameInfo.black = StrSave(buf);
8913 boardIndex = blackPlaysFirst ? 1 : 0;
8916 yyboardindex = boardIndex;
8917 moveType = (ChessMove) Myylex();
8919 case IllegalMove: /* maybe suicide chess, etc. */
8920 if (appData.debugMode) {
8921 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8922 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8923 setbuf(debugFP, NULL);
8925 case WhitePromotion:
8926 case BlackPromotion:
8927 case WhiteNonPromotion:
8928 case BlackNonPromotion:
8930 case WhiteCapturesEnPassant:
8931 case BlackCapturesEnPassant:
8932 case WhiteKingSideCastle:
8933 case WhiteQueenSideCastle:
8934 case BlackKingSideCastle:
8935 case BlackQueenSideCastle:
8936 case WhiteKingSideCastleWild:
8937 case WhiteQueenSideCastleWild:
8938 case BlackKingSideCastleWild:
8939 case BlackQueenSideCastleWild:
8941 case WhiteHSideCastleFR:
8942 case WhiteASideCastleFR:
8943 case BlackHSideCastleFR:
8944 case BlackASideCastleFR:
8946 fromX = currentMoveString[0] - AAA;
8947 fromY = currentMoveString[1] - ONE;
8948 toX = currentMoveString[2] - AAA;
8949 toY = currentMoveString[3] - ONE;
8950 promoChar = currentMoveString[4];
8954 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8955 fromX = moveType == WhiteDrop ?
8956 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8957 (int) CharToPiece(ToLower(currentMoveString[0]));
8959 toX = currentMoveString[2] - AAA;
8960 toY = currentMoveString[3] - ONE;
8961 promoChar = NULLCHAR;
8965 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8966 if (appData.debugMode) {
8967 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8968 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8969 setbuf(debugFP, NULL);
8971 DisplayError(buf, 0);
8973 case ImpossibleMove:
8975 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8976 if (appData.debugMode) {
8977 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8978 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8979 setbuf(debugFP, NULL);
8981 DisplayError(buf, 0);
8984 if (boardIndex < backwardMostMove) {
8985 /* Oops, gap. How did that happen? */
8986 DisplayError(_("Gap in move list"), 0);
8989 backwardMostMove = blackPlaysFirst ? 1 : 0;
8990 if (boardIndex > forwardMostMove) {
8991 forwardMostMove = boardIndex;
8995 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8996 strcat(parseList[boardIndex-1], " ");
8997 strcat(parseList[boardIndex-1], yy_text);
9009 case GameUnfinished:
9010 if (gameMode == IcsExamining) {
9011 if (boardIndex < backwardMostMove) {
9012 /* Oops, gap. How did that happen? */
9015 backwardMostMove = blackPlaysFirst ? 1 : 0;
9018 gameInfo.result = moveType;
9019 p = strchr(yy_text, '{');
9020 if (p == NULL) p = strchr(yy_text, '(');
9023 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9025 q = strchr(p, *p == '{' ? '}' : ')');
9026 if (q != NULL) *q = NULLCHAR;
9029 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9030 gameInfo.resultDetails = StrSave(p);
9033 if (boardIndex >= forwardMostMove &&
9034 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9035 backwardMostMove = blackPlaysFirst ? 1 : 0;
9038 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9039 fromY, fromX, toY, toX, promoChar,
9040 parseList[boardIndex]);
9041 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9042 /* currentMoveString is set as a side-effect of yylex */
9043 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9044 strcat(moveList[boardIndex], "\n");
9046 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9047 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9053 if(gameInfo.variant != VariantShogi)
9054 strcat(parseList[boardIndex - 1], "+");
9058 strcat(parseList[boardIndex - 1], "#");
9065 /* Apply a move to the given board */
9067 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9069 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9070 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9072 /* [HGM] compute & store e.p. status and castling rights for new position */
9073 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9075 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9076 oldEP = (signed char)board[EP_STATUS];
9077 board[EP_STATUS] = EP_NONE;
9079 if (fromY == DROP_RANK) {
9081 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9082 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9085 piece = board[toY][toX] = (ChessSquare) fromX;
9089 if( board[toY][toX] != EmptySquare )
9090 board[EP_STATUS] = EP_CAPTURE;
9092 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9093 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9094 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9096 if( board[fromY][fromX] == WhitePawn ) {
9097 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9098 board[EP_STATUS] = EP_PAWN_MOVE;
9100 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9101 gameInfo.variant != VariantBerolina || toX < fromX)
9102 board[EP_STATUS] = toX | berolina;
9103 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9104 gameInfo.variant != VariantBerolina || toX > fromX)
9105 board[EP_STATUS] = toX;
9108 if( board[fromY][fromX] == BlackPawn ) {
9109 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9110 board[EP_STATUS] = EP_PAWN_MOVE;
9111 if( toY-fromY== -2) {
9112 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9113 gameInfo.variant != VariantBerolina || toX < fromX)
9114 board[EP_STATUS] = toX | berolina;
9115 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9116 gameInfo.variant != VariantBerolina || toX > fromX)
9117 board[EP_STATUS] = toX;
9121 for(i=0; i<nrCastlingRights; i++) {
9122 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9123 board[CASTLING][i] == toX && castlingRank[i] == toY
9124 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9127 if (fromX == toX && fromY == toY) return;
9129 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9130 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9131 if(gameInfo.variant == VariantKnightmate)
9132 king += (int) WhiteUnicorn - (int) WhiteKing;
9134 /* Code added by Tord: */
9135 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9136 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9137 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9138 board[fromY][fromX] = EmptySquare;
9139 board[toY][toX] = EmptySquare;
9140 if((toX > fromX) != (piece == WhiteRook)) {
9141 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9143 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9145 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9146 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9147 board[fromY][fromX] = EmptySquare;
9148 board[toY][toX] = EmptySquare;
9149 if((toX > fromX) != (piece == BlackRook)) {
9150 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9152 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9154 /* End of code added by Tord */
9156 } else if (board[fromY][fromX] == king
9157 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9158 && toY == fromY && toX > fromX+1) {
9159 board[fromY][fromX] = EmptySquare;
9160 board[toY][toX] = king;
9161 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9162 board[fromY][BOARD_RGHT-1] = EmptySquare;
9163 } else if (board[fromY][fromX] == king
9164 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9165 && toY == fromY && toX < fromX-1) {
9166 board[fromY][fromX] = EmptySquare;
9167 board[toY][toX] = king;
9168 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9169 board[fromY][BOARD_LEFT] = EmptySquare;
9170 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9171 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9172 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9174 /* white pawn promotion */
9175 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9176 if(gameInfo.variant==VariantBughouse ||
9177 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9178 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9179 board[fromY][fromX] = EmptySquare;
9180 } else if ((fromY >= BOARD_HEIGHT>>1)
9182 && gameInfo.variant != VariantXiangqi
9183 && gameInfo.variant != VariantBerolina
9184 && (board[fromY][fromX] == WhitePawn)
9185 && (board[toY][toX] == EmptySquare)) {
9186 board[fromY][fromX] = EmptySquare;
9187 board[toY][toX] = WhitePawn;
9188 captured = board[toY - 1][toX];
9189 board[toY - 1][toX] = EmptySquare;
9190 } else if ((fromY == BOARD_HEIGHT-4)
9192 && gameInfo.variant == VariantBerolina
9193 && (board[fromY][fromX] == WhitePawn)
9194 && (board[toY][toX] == EmptySquare)) {
9195 board[fromY][fromX] = EmptySquare;
9196 board[toY][toX] = WhitePawn;
9197 if(oldEP & EP_BEROLIN_A) {
9198 captured = board[fromY][fromX-1];
9199 board[fromY][fromX-1] = EmptySquare;
9200 }else{ captured = board[fromY][fromX+1];
9201 board[fromY][fromX+1] = EmptySquare;
9203 } else if (board[fromY][fromX] == king
9204 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9205 && toY == fromY && toX > fromX+1) {
9206 board[fromY][fromX] = EmptySquare;
9207 board[toY][toX] = king;
9208 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9209 board[fromY][BOARD_RGHT-1] = EmptySquare;
9210 } else if (board[fromY][fromX] == king
9211 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9212 && toY == fromY && toX < fromX-1) {
9213 board[fromY][fromX] = EmptySquare;
9214 board[toY][toX] = king;
9215 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9216 board[fromY][BOARD_LEFT] = EmptySquare;
9217 } else if (fromY == 7 && fromX == 3
9218 && board[fromY][fromX] == BlackKing
9219 && toY == 7 && toX == 5) {
9220 board[fromY][fromX] = EmptySquare;
9221 board[toY][toX] = BlackKing;
9222 board[fromY][7] = EmptySquare;
9223 board[toY][4] = BlackRook;
9224 } else if (fromY == 7 && fromX == 3
9225 && board[fromY][fromX] == BlackKing
9226 && toY == 7 && toX == 1) {
9227 board[fromY][fromX] = EmptySquare;
9228 board[toY][toX] = BlackKing;
9229 board[fromY][0] = EmptySquare;
9230 board[toY][2] = BlackRook;
9231 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9232 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9233 && toY < promoRank && promoChar
9235 /* black pawn promotion */
9236 board[toY][toX] = CharToPiece(ToLower(promoChar));
9237 if(gameInfo.variant==VariantBughouse ||
9238 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9239 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9240 board[fromY][fromX] = EmptySquare;
9241 } else if ((fromY < BOARD_HEIGHT>>1)
9243 && gameInfo.variant != VariantXiangqi
9244 && gameInfo.variant != VariantBerolina
9245 && (board[fromY][fromX] == BlackPawn)
9246 && (board[toY][toX] == EmptySquare)) {
9247 board[fromY][fromX] = EmptySquare;
9248 board[toY][toX] = BlackPawn;
9249 captured = board[toY + 1][toX];
9250 board[toY + 1][toX] = EmptySquare;
9251 } else if ((fromY == 3)
9253 && gameInfo.variant == VariantBerolina
9254 && (board[fromY][fromX] == BlackPawn)
9255 && (board[toY][toX] == EmptySquare)) {
9256 board[fromY][fromX] = EmptySquare;
9257 board[toY][toX] = BlackPawn;
9258 if(oldEP & EP_BEROLIN_A) {
9259 captured = board[fromY][fromX-1];
9260 board[fromY][fromX-1] = EmptySquare;
9261 }else{ captured = board[fromY][fromX+1];
9262 board[fromY][fromX+1] = EmptySquare;
9265 board[toY][toX] = board[fromY][fromX];
9266 board[fromY][fromX] = EmptySquare;
9270 if (gameInfo.holdingsWidth != 0) {
9272 /* !!A lot more code needs to be written to support holdings */
9273 /* [HGM] OK, so I have written it. Holdings are stored in the */
9274 /* penultimate board files, so they are automaticlly stored */
9275 /* in the game history. */
9276 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9277 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9278 /* Delete from holdings, by decreasing count */
9279 /* and erasing image if necessary */
9280 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9281 if(p < (int) BlackPawn) { /* white drop */
9282 p -= (int)WhitePawn;
9283 p = PieceToNumber((ChessSquare)p);
9284 if(p >= gameInfo.holdingsSize) p = 0;
9285 if(--board[p][BOARD_WIDTH-2] <= 0)
9286 board[p][BOARD_WIDTH-1] = EmptySquare;
9287 if((int)board[p][BOARD_WIDTH-2] < 0)
9288 board[p][BOARD_WIDTH-2] = 0;
9289 } else { /* black drop */
9290 p -= (int)BlackPawn;
9291 p = PieceToNumber((ChessSquare)p);
9292 if(p >= gameInfo.holdingsSize) p = 0;
9293 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9294 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9295 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9296 board[BOARD_HEIGHT-1-p][1] = 0;
9299 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9300 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9301 /* [HGM] holdings: Add to holdings, if holdings exist */
9302 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9303 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9304 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9307 if (p >= (int) BlackPawn) {
9308 p -= (int)BlackPawn;
9309 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9310 /* in Shogi restore piece to its original first */
9311 captured = (ChessSquare) (DEMOTED captured);
9314 p = PieceToNumber((ChessSquare)p);
9315 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9316 board[p][BOARD_WIDTH-2]++;
9317 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9319 p -= (int)WhitePawn;
9320 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9321 captured = (ChessSquare) (DEMOTED captured);
9324 p = PieceToNumber((ChessSquare)p);
9325 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9326 board[BOARD_HEIGHT-1-p][1]++;
9327 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9330 } else if (gameInfo.variant == VariantAtomic) {
9331 if (captured != EmptySquare) {
9333 for (y = toY-1; y <= toY+1; y++) {
9334 for (x = toX-1; x <= toX+1; x++) {
9335 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9336 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9337 board[y][x] = EmptySquare;
9341 board[toY][toX] = EmptySquare;
9344 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9345 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9347 if(promoChar == '+') {
9348 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9349 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9350 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9351 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9353 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9354 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9355 // [HGM] superchess: take promotion piece out of holdings
9356 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9357 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9358 if(!--board[k][BOARD_WIDTH-2])
9359 board[k][BOARD_WIDTH-1] = EmptySquare;
9361 if(!--board[BOARD_HEIGHT-1-k][1])
9362 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9368 /* Updates forwardMostMove */
9370 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9372 // forwardMostMove++; // [HGM] bare: moved downstream
9374 (void) CoordsToAlgebraic(boards[forwardMostMove],
9375 PosFlags(forwardMostMove),
9376 fromY, fromX, toY, toX, promoChar,
9377 parseList[forwardMostMove]);
9379 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9380 int timeLeft; static int lastLoadFlag=0; int king, piece;
9381 piece = boards[forwardMostMove][fromY][fromX];
9382 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9383 if(gameInfo.variant == VariantKnightmate)
9384 king += (int) WhiteUnicorn - (int) WhiteKing;
9385 if(forwardMostMove == 0) {
9386 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9387 fprintf(serverMoves, "%s;", UserName());
9388 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9389 fprintf(serverMoves, "%s;", second.tidy);
9390 fprintf(serverMoves, "%s;", first.tidy);
9391 if(gameMode == MachinePlaysWhite)
9392 fprintf(serverMoves, "%s;", UserName());
9393 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9394 fprintf(serverMoves, "%s;", second.tidy);
9395 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9396 lastLoadFlag = loadFlag;
9398 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9399 // print castling suffix
9400 if( toY == fromY && piece == king ) {
9402 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9404 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9407 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9408 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9409 boards[forwardMostMove][toY][toX] == EmptySquare
9410 && fromX != toX && fromY != toY)
9411 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9413 if(promoChar != NULLCHAR)
9414 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9416 char buf[MOVE_LEN*2], *p; int len;
9417 fprintf(serverMoves, "/%d/%d",
9418 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9419 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9420 else timeLeft = blackTimeRemaining/1000;
9421 fprintf(serverMoves, "/%d", timeLeft);
9422 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9423 if(p = strchr(buf, '=')) *p = NULLCHAR;
9424 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9425 fprintf(serverMoves, "/%s", buf);
9427 fflush(serverMoves);
9430 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9431 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9434 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9435 if (commentList[forwardMostMove+1] != NULL) {
9436 free(commentList[forwardMostMove+1]);
9437 commentList[forwardMostMove+1] = NULL;
9439 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9440 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9441 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9442 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9443 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9444 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9445 adjustedClock = FALSE;
9446 gameInfo.result = GameUnfinished;
9447 if (gameInfo.resultDetails != NULL) {
9448 free(gameInfo.resultDetails);
9449 gameInfo.resultDetails = NULL;
9451 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9452 moveList[forwardMostMove - 1]);
9453 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9459 if(gameInfo.variant != VariantShogi)
9460 strcat(parseList[forwardMostMove - 1], "+");
9464 strcat(parseList[forwardMostMove - 1], "#");
9470 /* Updates currentMove if not pausing */
9472 ShowMove (int fromX, int fromY, int toX, int toY)
9474 int instant = (gameMode == PlayFromGameFile) ?
9475 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9476 if(appData.noGUI) return;
9477 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9479 if (forwardMostMove == currentMove + 1) {
9480 AnimateMove(boards[forwardMostMove - 1],
9481 fromX, fromY, toX, toY);
9483 if (appData.highlightLastMove) {
9484 SetHighlights(fromX, fromY, toX, toY);
9487 currentMove = forwardMostMove;
9490 if (instant) return;
9492 DisplayMove(currentMove - 1);
9493 DrawPosition(FALSE, boards[currentMove]);
9494 DisplayBothClocks();
9495 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9499 SendEgtPath (ChessProgramState *cps)
9500 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9501 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9503 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9506 char c, *q = name+1, *r, *s;
9508 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9509 while(*p && *p != ',') *q++ = *p++;
9511 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9512 strcmp(name, ",nalimov:") == 0 ) {
9513 // take nalimov path from the menu-changeable option first, if it is defined
9514 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9515 SendToProgram(buf,cps); // send egtbpath command for nalimov
9517 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9518 (s = StrStr(appData.egtFormats, name)) != NULL) {
9519 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9520 s = r = StrStr(s, ":") + 1; // beginning of path info
9521 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9522 c = *r; *r = 0; // temporarily null-terminate path info
9523 *--q = 0; // strip of trailig ':' from name
9524 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9526 SendToProgram(buf,cps); // send egtbpath command for this format
9528 if(*p == ',') p++; // read away comma to position for next format name
9533 InitChessProgram (ChessProgramState *cps, int setup)
9534 /* setup needed to setup FRC opening position */
9536 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9537 if (appData.noChessProgram) return;
9538 hintRequested = FALSE;
9539 bookRequested = FALSE;
9541 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9542 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9543 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9544 if(cps->memSize) { /* [HGM] memory */
9545 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9546 SendToProgram(buf, cps);
9548 SendEgtPath(cps); /* [HGM] EGT */
9549 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9550 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9551 SendToProgram(buf, cps);
9554 SendToProgram(cps->initString, cps);
9555 if (gameInfo.variant != VariantNormal &&
9556 gameInfo.variant != VariantLoadable
9557 /* [HGM] also send variant if board size non-standard */
9558 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9560 char *v = VariantName(gameInfo.variant);
9561 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9562 /* [HGM] in protocol 1 we have to assume all variants valid */
9563 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9564 DisplayFatalError(buf, 0, 1);
9568 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9569 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9570 if( gameInfo.variant == VariantXiangqi )
9571 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9572 if( gameInfo.variant == VariantShogi )
9573 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9574 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9575 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9576 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9577 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9578 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9579 if( gameInfo.variant == VariantCourier )
9580 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9581 if( gameInfo.variant == VariantSuper )
9582 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9583 if( gameInfo.variant == VariantGreat )
9584 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9585 if( gameInfo.variant == VariantSChess )
9586 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9587 if( gameInfo.variant == VariantGrand )
9588 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9591 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9592 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9593 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9594 if(StrStr(cps->variants, b) == NULL) {
9595 // specific sized variant not known, check if general sizing allowed
9596 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9597 if(StrStr(cps->variants, "boardsize") == NULL) {
9598 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9599 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9600 DisplayFatalError(buf, 0, 1);
9603 /* [HGM] here we really should compare with the maximum supported board size */
9606 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9607 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9608 SendToProgram(buf, cps);
9610 currentlyInitializedVariant = gameInfo.variant;
9612 /* [HGM] send opening position in FRC to first engine */
9614 SendToProgram("force\n", cps);
9616 /* engine is now in force mode! Set flag to wake it up after first move. */
9617 setboardSpoiledMachineBlack = 1;
9621 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9622 SendToProgram(buf, cps);
9624 cps->maybeThinking = FALSE;
9625 cps->offeredDraw = 0;
9626 if (!appData.icsActive) {
9627 SendTimeControl(cps, movesPerSession, timeControl,
9628 timeIncrement, appData.searchDepth,
9631 if (appData.showThinking
9632 // [HGM] thinking: four options require thinking output to be sent
9633 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9635 SendToProgram("post\n", cps);
9637 SendToProgram("hard\n", cps);
9638 if (!appData.ponderNextMove) {
9639 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9640 it without being sure what state we are in first. "hard"
9641 is not a toggle, so that one is OK.
9643 SendToProgram("easy\n", cps);
9646 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9647 SendToProgram(buf, cps);
9649 cps->initDone = TRUE;
9650 ClearEngineOutputPane(cps == &second);
9655 StartChessProgram (ChessProgramState *cps)
9660 if (appData.noChessProgram) return;
9661 cps->initDone = FALSE;
9663 if (strcmp(cps->host, "localhost") == 0) {
9664 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9665 } else if (*appData.remoteShell == NULLCHAR) {
9666 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9668 if (*appData.remoteUser == NULLCHAR) {
9669 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9672 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9673 cps->host, appData.remoteUser, cps->program);
9675 err = StartChildProcess(buf, "", &cps->pr);
9679 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9680 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9681 if(cps != &first) return;
9682 appData.noChessProgram = TRUE;
9685 // DisplayFatalError(buf, err, 1);
9686 // cps->pr = NoProc;
9691 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9692 if (cps->protocolVersion > 1) {
9693 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9694 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9695 cps->comboCnt = 0; // and values of combo boxes
9696 SendToProgram(buf, cps);
9698 SendToProgram("xboard\n", cps);
9703 TwoMachinesEventIfReady P((void))
9705 static int curMess = 0;
9706 if (first.lastPing != first.lastPong) {
9707 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9708 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9711 if (second.lastPing != second.lastPong) {
9712 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9713 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9716 DisplayMessage("", ""); curMess = 0;
9722 MakeName (char *template)
9726 static char buf[MSG_SIZ];
9730 clock = time((time_t *)NULL);
9731 tm = localtime(&clock);
9733 while(*p++ = *template++) if(p[-1] == '%') {
9734 switch(*template++) {
9735 case 0: *p = 0; return buf;
9736 case 'Y': i = tm->tm_year+1900; break;
9737 case 'y': i = tm->tm_year-100; break;
9738 case 'M': i = tm->tm_mon+1; break;
9739 case 'd': i = tm->tm_mday; break;
9740 case 'h': i = tm->tm_hour; break;
9741 case 'm': i = tm->tm_min; break;
9742 case 's': i = tm->tm_sec; break;
9745 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9751 CountPlayers (char *p)
9754 while(p = strchr(p, '\n')) p++, n++; // count participants
9759 WriteTourneyFile (char *results, FILE *f)
9760 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9761 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9762 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9763 // create a file with tournament description
9764 fprintf(f, "-participants {%s}\n", appData.participants);
9765 fprintf(f, "-seedBase %d\n", appData.seedBase);
9766 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9767 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9768 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9769 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9770 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9771 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9772 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9773 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9774 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9775 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9776 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9777 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9779 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9781 fprintf(f, "-mps %d\n", appData.movesPerSession);
9782 fprintf(f, "-tc %s\n", appData.timeControl);
9783 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9785 fprintf(f, "-results \"%s\"\n", results);
9790 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9793 Substitute (char *participants, int expunge)
9795 int i, changed, changes=0, nPlayers=0;
9796 char *p, *q, *r, buf[MSG_SIZ];
9797 if(participants == NULL) return;
9798 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9799 r = p = participants; q = appData.participants;
9800 while(*p && *p == *q) {
9801 if(*p == '\n') r = p+1, nPlayers++;
9804 if(*p) { // difference
9805 while(*p && *p++ != '\n');
9806 while(*q && *q++ != '\n');
9808 changes = 1 + (strcmp(p, q) != 0);
9810 if(changes == 1) { // a single engine mnemonic was changed
9811 q = r; while(*q) nPlayers += (*q++ == '\n');
9812 p = buf; while(*r && (*p = *r++) != '\n') p++;
9814 NamesToList(firstChessProgramNames, command, mnemonic, "all");
9815 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9816 if(mnemonic[i]) { // The substitute is valid
9818 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9819 flock(fileno(f), LOCK_EX);
9820 ParseArgsFromFile(f);
9821 fseek(f, 0, SEEK_SET);
9822 FREE(appData.participants); appData.participants = participants;
9823 if(expunge) { // erase results of replaced engine
9824 int len = strlen(appData.results), w, b, dummy;
9825 for(i=0; i<len; i++) {
9826 Pairing(i, nPlayers, &w, &b, &dummy);
9827 if((w == changed || b == changed) && appData.results[i] == '*') {
9828 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9833 for(i=0; i<len; i++) {
9834 Pairing(i, nPlayers, &w, &b, &dummy);
9835 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9838 WriteTourneyFile(appData.results, f);
9839 fclose(f); // release lock
9842 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9844 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9845 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9851 CreateTourney (char *name)
9854 if(matchMode && strcmp(name, appData.tourneyFile)) {
9855 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9857 if(name[0] == NULLCHAR) {
9858 if(appData.participants[0])
9859 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9862 f = fopen(name, "r");
9863 if(f) { // file exists
9864 ASSIGN(appData.tourneyFile, name);
9865 ParseArgsFromFile(f); // parse it
9867 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9868 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9869 DisplayError(_("Not enough participants"), 0);
9872 ASSIGN(appData.tourneyFile, name);
9873 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9874 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9877 appData.noChessProgram = FALSE;
9878 appData.clockMode = TRUE;
9884 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
9886 char buf[MSG_SIZ], *p, *q;
9887 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
9888 skip = !all && group[0]; // if group requested, we start in skip mode
9889 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
9890 p = names; q = buf; header = 0;
9891 while(*p && *p != '\n') *q++ = *p++;
9895 if(strstr(buf, "# end") == buf) { depth--; continue; } // leave group, and suppress printing label
9896 depth++; // we must be entering a new group
9897 if(all) continue; // suppress printing group headers when complete list requested
9899 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
9901 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
9902 if(engineList[i]) free(engineList[i]);
9903 engineList[i] = strdup(buf);
9904 if(buf[0] != '#') TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
9905 if(engineMnemonic[i]) free(engineMnemonic[i]);
9906 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9908 sscanf(q + 8, "%s", buf + strlen(buf));
9911 engineMnemonic[i] = strdup(buf);
9914 engineList[i] = engineMnemonic[i] = NULL;
9918 // following implemented as macro to avoid type limitations
9919 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9923 { // swap settings for first engine and other engine (so far only some selected options)
9928 SWAP(chessProgram, p)
9930 SWAP(hasOwnBookUCI, h)
9931 SWAP(protocolVersion, h)
9933 SWAP(scoreIsAbsolute, h)
9942 SetPlayer (int player, char *p)
9943 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9945 char buf[MSG_SIZ], *engineName;
9946 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9947 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9948 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9950 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9951 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9952 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
9953 ParseArgsFromString(buf);
9959 char *recentEngines;
9962 RecentEngineEvent (int nr)
9965 // SwapEngines(1); // bump first to second
9966 // ReplaceEngine(&second, 1); // and load it there
9967 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
9968 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
9969 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
9970 ReplaceEngine(&first, 0);
9971 FloatToFront(&appData.recentEngineList, command[n]);
9976 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9977 { // determine players from game number
9978 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9980 if(appData.tourneyType == 0) {
9981 roundsPerCycle = (nPlayers - 1) | 1;
9982 pairingsPerRound = nPlayers / 2;
9983 } else if(appData.tourneyType > 0) {
9984 roundsPerCycle = nPlayers - appData.tourneyType;
9985 pairingsPerRound = appData.tourneyType;
9987 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9988 gamesPerCycle = gamesPerRound * roundsPerCycle;
9989 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9990 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9991 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9992 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9993 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9994 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9996 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9997 if(appData.roundSync) *syncInterval = gamesPerRound;
9999 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10001 if(appData.tourneyType == 0) {
10002 if(curPairing == (nPlayers-1)/2 ) {
10003 *whitePlayer = curRound;
10004 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10006 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10007 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10008 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10009 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10011 } else if(appData.tourneyType > 1) {
10012 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10013 *whitePlayer = curRound + appData.tourneyType;
10014 } else if(appData.tourneyType > 0) {
10015 *whitePlayer = curPairing;
10016 *blackPlayer = curRound + appData.tourneyType;
10019 // take care of white/black alternation per round.
10020 // For cycles and games this is already taken care of by default, derived from matchGame!
10021 return curRound & 1;
10025 NextTourneyGame (int nr, int *swapColors)
10026 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10028 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10030 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10031 tf = fopen(appData.tourneyFile, "r");
10032 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10033 ParseArgsFromFile(tf); fclose(tf);
10034 InitTimeControls(); // TC might be altered from tourney file
10036 nPlayers = CountPlayers(appData.participants); // count participants
10037 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10038 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10041 p = q = appData.results;
10042 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10043 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10044 DisplayMessage(_("Waiting for other game(s)"),"");
10045 waitingForGame = TRUE;
10046 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10049 waitingForGame = FALSE;
10052 if(appData.tourneyType < 0) {
10053 if(nr>=0 && !pairingReceived) {
10055 if(pairing.pr == NoProc) {
10056 if(!appData.pairingEngine[0]) {
10057 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10060 StartChessProgram(&pairing); // starts the pairing engine
10062 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10063 SendToProgram(buf, &pairing);
10064 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10065 SendToProgram(buf, &pairing);
10066 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10068 pairingReceived = 0; // ... so we continue here
10070 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10071 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10072 matchGame = 1; roundNr = nr / syncInterval + 1;
10075 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10077 // redefine engines, engine dir, etc.
10078 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10079 if(first.pr == NoProc) {
10080 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10081 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10083 if(second.pr == NoProc) {
10085 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10086 SwapEngines(1); // and make that valid for second engine by swapping
10087 InitEngine(&second, 1);
10089 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10090 UpdateLogos(FALSE); // leave display to ModeHiglight()
10096 { // performs game initialization that does not invoke engines, and then tries to start the game
10097 int res, firstWhite, swapColors = 0;
10098 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10099 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
10101 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10102 if(strcmp(buf, currentDebugFile)) { // name has changed
10103 FILE *f = fopen(buf, "w");
10104 if(f) { // if opening the new file failed, just keep using the old one
10105 ASSIGN(currentDebugFile, buf);
10109 if(appData.serverFileName) {
10110 if(serverFP) fclose(serverFP);
10111 serverFP = fopen(appData.serverFileName, "w");
10112 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10113 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10117 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10118 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10119 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10120 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10121 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10122 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10123 Reset(FALSE, first.pr != NoProc);
10124 res = LoadGameOrPosition(matchGame); // setup game
10125 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10126 if(!res) return; // abort when bad game/pos file
10127 TwoMachinesEvent();
10131 UserAdjudicationEvent (int result)
10133 ChessMove gameResult = GameIsDrawn;
10136 gameResult = WhiteWins;
10138 else if( result < 0 ) {
10139 gameResult = BlackWins;
10142 if( gameMode == TwoMachinesPlay ) {
10143 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10148 // [HGM] save: calculate checksum of game to make games easily identifiable
10150 StringCheckSum (char *s)
10153 if(s==NULL) return 0;
10154 while(*s) i = i*259 + *s++;
10162 for(i=backwardMostMove; i<forwardMostMove; i++) {
10163 sum += pvInfoList[i].depth;
10164 sum += StringCheckSum(parseList[i]);
10165 sum += StringCheckSum(commentList[i]);
10168 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10169 return sum + StringCheckSum(commentList[i]);
10170 } // end of save patch
10173 GameEnds (ChessMove result, char *resultDetails, int whosays)
10175 GameMode nextGameMode;
10177 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10179 if(endingGame) return; /* [HGM] crash: forbid recursion */
10181 if(twoBoards) { // [HGM] dual: switch back to one board
10182 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10183 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10185 if (appData.debugMode) {
10186 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10187 result, resultDetails ? resultDetails : "(null)", whosays);
10190 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10192 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10193 /* If we are playing on ICS, the server decides when the
10194 game is over, but the engine can offer to draw, claim
10198 if (appData.zippyPlay && first.initDone) {
10199 if (result == GameIsDrawn) {
10200 /* In case draw still needs to be claimed */
10201 SendToICS(ics_prefix);
10202 SendToICS("draw\n");
10203 } else if (StrCaseStr(resultDetails, "resign")) {
10204 SendToICS(ics_prefix);
10205 SendToICS("resign\n");
10209 endingGame = 0; /* [HGM] crash */
10213 /* If we're loading the game from a file, stop */
10214 if (whosays == GE_FILE) {
10215 (void) StopLoadGameTimer();
10219 /* Cancel draw offers */
10220 first.offeredDraw = second.offeredDraw = 0;
10222 /* If this is an ICS game, only ICS can really say it's done;
10223 if not, anyone can. */
10224 isIcsGame = (gameMode == IcsPlayingWhite ||
10225 gameMode == IcsPlayingBlack ||
10226 gameMode == IcsObserving ||
10227 gameMode == IcsExamining);
10229 if (!isIcsGame || whosays == GE_ICS) {
10230 /* OK -- not an ICS game, or ICS said it was done */
10232 if (!isIcsGame && !appData.noChessProgram)
10233 SetUserThinkingEnables();
10235 /* [HGM] if a machine claims the game end we verify this claim */
10236 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10237 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10239 ChessMove trueResult = (ChessMove) -1;
10241 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10242 first.twoMachinesColor[0] :
10243 second.twoMachinesColor[0] ;
10245 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10246 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10247 /* [HGM] verify: engine mate claims accepted if they were flagged */
10248 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10250 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10251 /* [HGM] verify: engine mate claims accepted if they were flagged */
10252 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10254 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10255 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10258 // now verify win claims, but not in drop games, as we don't understand those yet
10259 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10260 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10261 (result == WhiteWins && claimer == 'w' ||
10262 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10263 if (appData.debugMode) {
10264 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10265 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10267 if(result != trueResult) {
10268 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10269 result = claimer == 'w' ? BlackWins : WhiteWins;
10270 resultDetails = buf;
10273 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10274 && (forwardMostMove <= backwardMostMove ||
10275 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10276 (claimer=='b')==(forwardMostMove&1))
10278 /* [HGM] verify: draws that were not flagged are false claims */
10279 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10280 result = claimer == 'w' ? BlackWins : WhiteWins;
10281 resultDetails = buf;
10283 /* (Claiming a loss is accepted no questions asked!) */
10285 /* [HGM] bare: don't allow bare King to win */
10286 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10287 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10288 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10289 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10290 && result != GameIsDrawn)
10291 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10292 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10293 int p = (signed char)boards[forwardMostMove][i][j] - color;
10294 if(p >= 0 && p <= (int)WhiteKing) k++;
10296 if (appData.debugMode) {
10297 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10298 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10301 result = GameIsDrawn;
10302 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10303 resultDetails = buf;
10309 if(serverMoves != NULL && !loadFlag) { char c = '=';
10310 if(result==WhiteWins) c = '+';
10311 if(result==BlackWins) c = '-';
10312 if(resultDetails != NULL)
10313 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10315 if (resultDetails != NULL) {
10316 gameInfo.result = result;
10317 gameInfo.resultDetails = StrSave(resultDetails);
10319 /* display last move only if game was not loaded from file */
10320 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10321 DisplayMove(currentMove - 1);
10323 if (forwardMostMove != 0) {
10324 if (gameMode != PlayFromGameFile && gameMode != EditGame
10325 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10327 if (*appData.saveGameFile != NULLCHAR) {
10328 SaveGameToFile(appData.saveGameFile, TRUE);
10329 } else if (appData.autoSaveGames) {
10332 if (*appData.savePositionFile != NULLCHAR) {
10333 SavePositionToFile(appData.savePositionFile);
10338 /* Tell program how game ended in case it is learning */
10339 /* [HGM] Moved this to after saving the PGN, just in case */
10340 /* engine died and we got here through time loss. In that */
10341 /* case we will get a fatal error writing the pipe, which */
10342 /* would otherwise lose us the PGN. */
10343 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10344 /* output during GameEnds should never be fatal anymore */
10345 if (gameMode == MachinePlaysWhite ||
10346 gameMode == MachinePlaysBlack ||
10347 gameMode == TwoMachinesPlay ||
10348 gameMode == IcsPlayingWhite ||
10349 gameMode == IcsPlayingBlack ||
10350 gameMode == BeginningOfGame) {
10352 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10354 if (first.pr != NoProc) {
10355 SendToProgram(buf, &first);
10357 if (second.pr != NoProc &&
10358 gameMode == TwoMachinesPlay) {
10359 SendToProgram(buf, &second);
10364 if (appData.icsActive) {
10365 if (appData.quietPlay &&
10366 (gameMode == IcsPlayingWhite ||
10367 gameMode == IcsPlayingBlack)) {
10368 SendToICS(ics_prefix);
10369 SendToICS("set shout 1\n");
10371 nextGameMode = IcsIdle;
10372 ics_user_moved = FALSE;
10373 /* clean up premove. It's ugly when the game has ended and the
10374 * premove highlights are still on the board.
10377 gotPremove = FALSE;
10378 ClearPremoveHighlights();
10379 DrawPosition(FALSE, boards[currentMove]);
10381 if (whosays == GE_ICS) {
10384 if (gameMode == IcsPlayingWhite)
10386 else if(gameMode == IcsPlayingBlack)
10387 PlayIcsLossSound();
10390 if (gameMode == IcsPlayingBlack)
10392 else if(gameMode == IcsPlayingWhite)
10393 PlayIcsLossSound();
10396 PlayIcsDrawSound();
10399 PlayIcsUnfinishedSound();
10402 } else if (gameMode == EditGame ||
10403 gameMode == PlayFromGameFile ||
10404 gameMode == AnalyzeMode ||
10405 gameMode == AnalyzeFile) {
10406 nextGameMode = gameMode;
10408 nextGameMode = EndOfGame;
10413 nextGameMode = gameMode;
10416 if (appData.noChessProgram) {
10417 gameMode = nextGameMode;
10419 endingGame = 0; /* [HGM] crash */
10424 /* Put first chess program into idle state */
10425 if (first.pr != NoProc &&
10426 (gameMode == MachinePlaysWhite ||
10427 gameMode == MachinePlaysBlack ||
10428 gameMode == TwoMachinesPlay ||
10429 gameMode == IcsPlayingWhite ||
10430 gameMode == IcsPlayingBlack ||
10431 gameMode == BeginningOfGame)) {
10432 SendToProgram("force\n", &first);
10433 if (first.usePing) {
10435 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10436 SendToProgram(buf, &first);
10439 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10440 /* Kill off first chess program */
10441 if (first.isr != NULL)
10442 RemoveInputSource(first.isr);
10445 if (first.pr != NoProc) {
10447 DoSleep( appData.delayBeforeQuit );
10448 SendToProgram("quit\n", &first);
10449 DoSleep( appData.delayAfterQuit );
10450 DestroyChildProcess(first.pr, first.useSigterm);
10454 if (second.reuse) {
10455 /* Put second chess program into idle state */
10456 if (second.pr != NoProc &&
10457 gameMode == TwoMachinesPlay) {
10458 SendToProgram("force\n", &second);
10459 if (second.usePing) {
10461 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10462 SendToProgram(buf, &second);
10465 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10466 /* Kill off second chess program */
10467 if (second.isr != NULL)
10468 RemoveInputSource(second.isr);
10471 if (second.pr != NoProc) {
10472 DoSleep( appData.delayBeforeQuit );
10473 SendToProgram("quit\n", &second);
10474 DoSleep( appData.delayAfterQuit );
10475 DestroyChildProcess(second.pr, second.useSigterm);
10477 second.pr = NoProc;
10480 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10481 char resChar = '=';
10485 if (first.twoMachinesColor[0] == 'w') {
10488 second.matchWins++;
10493 if (first.twoMachinesColor[0] == 'b') {
10496 second.matchWins++;
10499 case GameUnfinished:
10505 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10506 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10507 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10508 ReserveGame(nextGame, resChar); // sets nextGame
10509 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10510 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10511 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10513 if (nextGame <= appData.matchGames && !abortMatch) {
10514 gameMode = nextGameMode;
10515 matchGame = nextGame; // this will be overruled in tourney mode!
10516 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10517 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10518 endingGame = 0; /* [HGM] crash */
10521 gameMode = nextGameMode;
10522 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10523 first.tidy, second.tidy,
10524 first.matchWins, second.matchWins,
10525 appData.matchGames - (first.matchWins + second.matchWins));
10526 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10527 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10528 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10529 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10530 first.twoMachinesColor = "black\n";
10531 second.twoMachinesColor = "white\n";
10533 first.twoMachinesColor = "white\n";
10534 second.twoMachinesColor = "black\n";
10538 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10539 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10541 gameMode = nextGameMode;
10543 endingGame = 0; /* [HGM] crash */
10544 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10545 if(matchMode == TRUE) { // match through command line: exit with or without popup
10547 ToNrEvent(forwardMostMove);
10548 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10550 } else DisplayFatalError(buf, 0, 0);
10551 } else { // match through menu; just stop, with or without popup
10552 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10555 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10556 } else DisplayNote(buf);
10558 if(ranking) free(ranking);
10562 /* Assumes program was just initialized (initString sent).
10563 Leaves program in force mode. */
10565 FeedMovesToProgram (ChessProgramState *cps, int upto)
10569 if (appData.debugMode)
10570 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10571 startedFromSetupPosition ? "position and " : "",
10572 backwardMostMove, upto, cps->which);
10573 if(currentlyInitializedVariant != gameInfo.variant) {
10575 // [HGM] variantswitch: make engine aware of new variant
10576 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10577 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10578 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10579 SendToProgram(buf, cps);
10580 currentlyInitializedVariant = gameInfo.variant;
10582 SendToProgram("force\n", cps);
10583 if (startedFromSetupPosition) {
10584 SendBoard(cps, backwardMostMove);
10585 if (appData.debugMode) {
10586 fprintf(debugFP, "feedMoves\n");
10589 for (i = backwardMostMove; i < upto; i++) {
10590 SendMoveToProgram(i, cps);
10596 ResurrectChessProgram ()
10598 /* The chess program may have exited.
10599 If so, restart it and feed it all the moves made so far. */
10600 static int doInit = 0;
10602 if (appData.noChessProgram) return 1;
10604 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10605 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10606 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10607 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10609 if (first.pr != NoProc) return 1;
10610 StartChessProgram(&first);
10612 InitChessProgram(&first, FALSE);
10613 FeedMovesToProgram(&first, currentMove);
10615 if (!first.sendTime) {
10616 /* can't tell gnuchess what its clock should read,
10617 so we bow to its notion. */
10619 timeRemaining[0][currentMove] = whiteTimeRemaining;
10620 timeRemaining[1][currentMove] = blackTimeRemaining;
10623 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10624 appData.icsEngineAnalyze) && first.analysisSupport) {
10625 SendToProgram("analyze\n", &first);
10626 first.analyzing = TRUE;
10632 * Button procedures
10635 Reset (int redraw, int init)
10639 if (appData.debugMode) {
10640 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10641 redraw, init, gameMode);
10643 CleanupTail(); // [HGM] vari: delete any stored variations
10644 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10645 pausing = pauseExamInvalid = FALSE;
10646 startedFromSetupPosition = blackPlaysFirst = FALSE;
10648 whiteFlag = blackFlag = FALSE;
10649 userOfferedDraw = FALSE;
10650 hintRequested = bookRequested = FALSE;
10651 first.maybeThinking = FALSE;
10652 second.maybeThinking = FALSE;
10653 first.bookSuspend = FALSE; // [HGM] book
10654 second.bookSuspend = FALSE;
10655 thinkOutput[0] = NULLCHAR;
10656 lastHint[0] = NULLCHAR;
10657 ClearGameInfo(&gameInfo);
10658 gameInfo.variant = StringToVariant(appData.variant);
10659 ics_user_moved = ics_clock_paused = FALSE;
10660 ics_getting_history = H_FALSE;
10662 white_holding[0] = black_holding[0] = NULLCHAR;
10663 ClearProgramStats();
10664 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10668 flipView = appData.flipView;
10669 ClearPremoveHighlights();
10670 gotPremove = FALSE;
10671 alarmSounded = FALSE;
10673 GameEnds(EndOfFile, NULL, GE_PLAYER);
10674 if(appData.serverMovesName != NULL) {
10675 /* [HGM] prepare to make moves file for broadcasting */
10676 clock_t t = clock();
10677 if(serverMoves != NULL) fclose(serverMoves);
10678 serverMoves = fopen(appData.serverMovesName, "r");
10679 if(serverMoves != NULL) {
10680 fclose(serverMoves);
10681 /* delay 15 sec before overwriting, so all clients can see end */
10682 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10684 serverMoves = fopen(appData.serverMovesName, "w");
10688 gameMode = BeginningOfGame;
10690 if(appData.icsActive) gameInfo.variant = VariantNormal;
10691 currentMove = forwardMostMove = backwardMostMove = 0;
10692 MarkTargetSquares(1);
10693 InitPosition(redraw);
10694 for (i = 0; i < MAX_MOVES; i++) {
10695 if (commentList[i] != NULL) {
10696 free(commentList[i]);
10697 commentList[i] = NULL;
10701 timeRemaining[0][0] = whiteTimeRemaining;
10702 timeRemaining[1][0] = blackTimeRemaining;
10704 if (first.pr == NoProc) {
10705 StartChessProgram(&first);
10708 InitChessProgram(&first, startedFromSetupPosition);
10711 DisplayMessage("", "");
10712 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10713 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10717 AutoPlayGameLoop ()
10720 if (!AutoPlayOneMove())
10722 if (matchMode || appData.timeDelay == 0)
10724 if (appData.timeDelay < 0)
10726 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10735 int fromX, fromY, toX, toY;
10737 if (appData.debugMode) {
10738 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10741 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10744 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10745 pvInfoList[currentMove].depth = programStats.depth;
10746 pvInfoList[currentMove].score = programStats.score;
10747 pvInfoList[currentMove].time = 0;
10748 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10751 if (currentMove >= forwardMostMove) {
10752 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10753 // gameMode = EndOfGame;
10754 // ModeHighlight();
10756 /* [AS] Clear current move marker at the end of a game */
10757 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10762 toX = moveList[currentMove][2] - AAA;
10763 toY = moveList[currentMove][3] - ONE;
10765 if (moveList[currentMove][1] == '@') {
10766 if (appData.highlightLastMove) {
10767 SetHighlights(-1, -1, toX, toY);
10770 fromX = moveList[currentMove][0] - AAA;
10771 fromY = moveList[currentMove][1] - ONE;
10773 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10775 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10777 if (appData.highlightLastMove) {
10778 SetHighlights(fromX, fromY, toX, toY);
10781 DisplayMove(currentMove);
10782 SendMoveToProgram(currentMove++, &first);
10783 DisplayBothClocks();
10784 DrawPosition(FALSE, boards[currentMove]);
10785 // [HGM] PV info: always display, routine tests if empty
10786 DisplayComment(currentMove - 1, commentList[currentMove]);
10792 LoadGameOneMove (ChessMove readAhead)
10794 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10795 char promoChar = NULLCHAR;
10796 ChessMove moveType;
10797 char move[MSG_SIZ];
10800 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10801 gameMode != AnalyzeMode && gameMode != Training) {
10806 yyboardindex = forwardMostMove;
10807 if (readAhead != EndOfFile) {
10808 moveType = readAhead;
10810 if (gameFileFP == NULL)
10812 moveType = (ChessMove) Myylex();
10816 switch (moveType) {
10818 if (appData.debugMode)
10819 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10822 /* append the comment but don't display it */
10823 AppendComment(currentMove, p, FALSE);
10826 case WhiteCapturesEnPassant:
10827 case BlackCapturesEnPassant:
10828 case WhitePromotion:
10829 case BlackPromotion:
10830 case WhiteNonPromotion:
10831 case BlackNonPromotion:
10833 case WhiteKingSideCastle:
10834 case WhiteQueenSideCastle:
10835 case BlackKingSideCastle:
10836 case BlackQueenSideCastle:
10837 case WhiteKingSideCastleWild:
10838 case WhiteQueenSideCastleWild:
10839 case BlackKingSideCastleWild:
10840 case BlackQueenSideCastleWild:
10842 case WhiteHSideCastleFR:
10843 case WhiteASideCastleFR:
10844 case BlackHSideCastleFR:
10845 case BlackASideCastleFR:
10847 if (appData.debugMode)
10848 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10849 fromX = currentMoveString[0] - AAA;
10850 fromY = currentMoveString[1] - ONE;
10851 toX = currentMoveString[2] - AAA;
10852 toY = currentMoveString[3] - ONE;
10853 promoChar = currentMoveString[4];
10858 if (appData.debugMode)
10859 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10860 fromX = moveType == WhiteDrop ?
10861 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10862 (int) CharToPiece(ToLower(currentMoveString[0]));
10864 toX = currentMoveString[2] - AAA;
10865 toY = currentMoveString[3] - ONE;
10871 case GameUnfinished:
10872 if (appData.debugMode)
10873 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10874 p = strchr(yy_text, '{');
10875 if (p == NULL) p = strchr(yy_text, '(');
10878 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10880 q = strchr(p, *p == '{' ? '}' : ')');
10881 if (q != NULL) *q = NULLCHAR;
10884 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10885 GameEnds(moveType, p, GE_FILE);
10887 if (cmailMsgLoaded) {
10889 flipView = WhiteOnMove(currentMove);
10890 if (moveType == GameUnfinished) flipView = !flipView;
10891 if (appData.debugMode)
10892 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10897 if (appData.debugMode)
10898 fprintf(debugFP, "Parser hit end of file\n");
10899 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10905 if (WhiteOnMove(currentMove)) {
10906 GameEnds(BlackWins, "Black mates", GE_FILE);
10908 GameEnds(WhiteWins, "White mates", GE_FILE);
10912 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10918 case MoveNumberOne:
10919 if (lastLoadGameStart == GNUChessGame) {
10920 /* GNUChessGames have numbers, but they aren't move numbers */
10921 if (appData.debugMode)
10922 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10923 yy_text, (int) moveType);
10924 return LoadGameOneMove(EndOfFile); /* tail recursion */
10926 /* else fall thru */
10931 /* Reached start of next game in file */
10932 if (appData.debugMode)
10933 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10934 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10940 if (WhiteOnMove(currentMove)) {
10941 GameEnds(BlackWins, "Black mates", GE_FILE);
10943 GameEnds(WhiteWins, "White mates", GE_FILE);
10947 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10953 case PositionDiagram: /* should not happen; ignore */
10954 case ElapsedTime: /* ignore */
10955 case NAG: /* ignore */
10956 if (appData.debugMode)
10957 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10958 yy_text, (int) moveType);
10959 return LoadGameOneMove(EndOfFile); /* tail recursion */
10962 if (appData.testLegality) {
10963 if (appData.debugMode)
10964 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10965 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10966 (forwardMostMove / 2) + 1,
10967 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10968 DisplayError(move, 0);
10971 if (appData.debugMode)
10972 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10973 yy_text, currentMoveString);
10974 fromX = currentMoveString[0] - AAA;
10975 fromY = currentMoveString[1] - ONE;
10976 toX = currentMoveString[2] - AAA;
10977 toY = currentMoveString[3] - ONE;
10978 promoChar = currentMoveString[4];
10982 case AmbiguousMove:
10983 if (appData.debugMode)
10984 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10985 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10986 (forwardMostMove / 2) + 1,
10987 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10988 DisplayError(move, 0);
10993 case ImpossibleMove:
10994 if (appData.debugMode)
10995 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10996 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10997 (forwardMostMove / 2) + 1,
10998 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10999 DisplayError(move, 0);
11005 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11006 DrawPosition(FALSE, boards[currentMove]);
11007 DisplayBothClocks();
11008 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11009 DisplayComment(currentMove - 1, commentList[currentMove]);
11011 (void) StopLoadGameTimer();
11013 cmailOldMove = forwardMostMove;
11016 /* currentMoveString is set as a side-effect of yylex */
11018 thinkOutput[0] = NULLCHAR;
11019 MakeMove(fromX, fromY, toX, toY, promoChar);
11020 currentMove = forwardMostMove;
11025 /* Load the nth game from the given file */
11027 LoadGameFromFile (char *filename, int n, char *title, int useList)
11032 if (strcmp(filename, "-") == 0) {
11036 f = fopen(filename, "rb");
11038 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11039 DisplayError(buf, errno);
11043 if (fseek(f, 0, 0) == -1) {
11044 /* f is not seekable; probably a pipe */
11047 if (useList && n == 0) {
11048 int error = GameListBuild(f);
11050 DisplayError(_("Cannot build game list"), error);
11051 } else if (!ListEmpty(&gameList) &&
11052 ((ListGame *) gameList.tailPred)->number > 1) {
11053 GameListPopUp(f, title);
11060 return LoadGame(f, n, title, FALSE);
11065 MakeRegisteredMove ()
11067 int fromX, fromY, toX, toY;
11069 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11070 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11073 if (appData.debugMode)
11074 fprintf(debugFP, "Restoring %s for game %d\n",
11075 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11077 thinkOutput[0] = NULLCHAR;
11078 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11079 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11080 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11081 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11082 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11083 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11084 MakeMove(fromX, fromY, toX, toY, promoChar);
11085 ShowMove(fromX, fromY, toX, toY);
11087 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11094 if (WhiteOnMove(currentMove)) {
11095 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11097 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11102 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11109 if (WhiteOnMove(currentMove)) {
11110 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11112 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11117 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11128 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11130 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11134 if (gameNumber > nCmailGames) {
11135 DisplayError(_("No more games in this message"), 0);
11138 if (f == lastLoadGameFP) {
11139 int offset = gameNumber - lastLoadGameNumber;
11141 cmailMsg[0] = NULLCHAR;
11142 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11143 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11144 nCmailMovesRegistered--;
11146 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11147 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11148 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11151 if (! RegisterMove()) return FALSE;
11155 retVal = LoadGame(f, gameNumber, title, useList);
11157 /* Make move registered during previous look at this game, if any */
11158 MakeRegisteredMove();
11160 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11161 commentList[currentMove]
11162 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11163 DisplayComment(currentMove - 1, commentList[currentMove]);
11169 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11171 ReloadGame (int offset)
11173 int gameNumber = lastLoadGameNumber + offset;
11174 if (lastLoadGameFP == NULL) {
11175 DisplayError(_("No game has been loaded yet"), 0);
11178 if (gameNumber <= 0) {
11179 DisplayError(_("Can't back up any further"), 0);
11182 if (cmailMsgLoaded) {
11183 return CmailLoadGame(lastLoadGameFP, gameNumber,
11184 lastLoadGameTitle, lastLoadGameUseList);
11186 return LoadGame(lastLoadGameFP, gameNumber,
11187 lastLoadGameTitle, lastLoadGameUseList);
11191 int keys[EmptySquare+1];
11194 PositionMatches (Board b1, Board b2)
11197 switch(appData.searchMode) {
11198 case 1: return CompareWithRights(b1, b2);
11200 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11201 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11205 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11206 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11207 sum += keys[b1[r][f]] - keys[b2[r][f]];
11211 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11212 sum += keys[b1[r][f]] - keys[b2[r][f]];
11224 int pieceList[256], quickBoard[256];
11225 ChessSquare pieceType[256] = { EmptySquare };
11226 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11227 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11228 int soughtTotal, turn;
11229 Boolean epOK, flipSearch;
11232 unsigned char piece, to;
11235 #define DSIZE (250000)
11237 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11238 Move *moveDatabase = initialSpace;
11239 unsigned int movePtr, dataSize = DSIZE;
11242 MakePieceList (Board board, int *counts)
11244 int r, f, n=Q_PROMO, total=0;
11245 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11246 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11247 int sq = f + (r<<4);
11248 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11249 quickBoard[sq] = ++n;
11251 pieceType[n] = board[r][f];
11252 counts[board[r][f]]++;
11253 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11254 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11258 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11263 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11265 int sq = fromX + (fromY<<4);
11266 int piece = quickBoard[sq];
11267 quickBoard[sq] = 0;
11268 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11269 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11270 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11271 moveDatabase[movePtr++].piece = Q_WCASTL;
11272 quickBoard[sq] = piece;
11273 piece = quickBoard[from]; quickBoard[from] = 0;
11274 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11276 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11277 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11278 moveDatabase[movePtr++].piece = Q_BCASTL;
11279 quickBoard[sq] = piece;
11280 piece = quickBoard[from]; quickBoard[from] = 0;
11281 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11283 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11284 quickBoard[(fromY<<4)+toX] = 0;
11285 moveDatabase[movePtr].piece = Q_EP;
11286 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11287 moveDatabase[movePtr].to = sq;
11289 if(promoPiece != pieceType[piece]) {
11290 moveDatabase[movePtr++].piece = Q_PROMO;
11291 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11293 moveDatabase[movePtr].piece = piece;
11294 quickBoard[sq] = piece;
11299 PackGame (Board board)
11301 Move *newSpace = NULL;
11302 moveDatabase[movePtr].piece = 0; // terminate previous game
11303 if(movePtr > dataSize) {
11304 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11305 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11306 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11309 Move *p = moveDatabase, *q = newSpace;
11310 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11311 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11312 moveDatabase = newSpace;
11313 } else { // calloc failed, we must be out of memory. Too bad...
11314 dataSize = 0; // prevent calloc events for all subsequent games
11315 return 0; // and signal this one isn't cached
11319 MakePieceList(board, counts);
11324 QuickCompare (Board board, int *minCounts, int *maxCounts)
11325 { // compare according to search mode
11327 switch(appData.searchMode)
11329 case 1: // exact position match
11330 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11331 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11332 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11335 case 2: // can have extra material on empty squares
11336 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11337 if(board[r][f] == EmptySquare) continue;
11338 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11341 case 3: // material with exact Pawn structure
11342 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11343 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11344 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11345 } // fall through to material comparison
11346 case 4: // exact material
11347 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11349 case 6: // material range with given imbalance
11350 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11351 // fall through to range comparison
11352 case 5: // material range
11353 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11359 QuickScan (Board board, Move *move)
11360 { // reconstruct game,and compare all positions in it
11361 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11363 int piece = move->piece;
11364 int to = move->to, from = pieceList[piece];
11365 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11366 if(!piece) return -1;
11367 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11368 piece = (++move)->piece;
11369 from = pieceList[piece];
11370 counts[pieceType[piece]]--;
11371 pieceType[piece] = (ChessSquare) move->to;
11372 counts[move->to]++;
11373 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11374 counts[pieceType[quickBoard[to]]]--;
11375 quickBoard[to] = 0; total--;
11378 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11379 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11380 from = pieceList[piece]; // so this must be King
11381 quickBoard[from] = 0;
11382 quickBoard[to] = piece;
11383 pieceList[piece] = to;
11388 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11389 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11390 quickBoard[from] = 0;
11391 quickBoard[to] = piece;
11392 pieceList[piece] = to;
11394 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11395 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11396 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11397 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11399 static int lastCounts[EmptySquare+1];
11401 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11402 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11403 } else stretch = 0;
11404 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11413 flipSearch = FALSE;
11414 CopyBoard(soughtBoard, boards[currentMove]);
11415 soughtTotal = MakePieceList(soughtBoard, maxSought);
11416 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11417 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11418 CopyBoard(reverseBoard, boards[currentMove]);
11419 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11420 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11421 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11422 reverseBoard[r][f] = piece;
11424 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11425 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11426 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11427 || (boards[currentMove][CASTLING][2] == NoRights ||
11428 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11429 && (boards[currentMove][CASTLING][5] == NoRights ||
11430 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11433 CopyBoard(flipBoard, soughtBoard);
11434 CopyBoard(rotateBoard, reverseBoard);
11435 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11436 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11437 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11440 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11441 if(appData.searchMode >= 5) {
11442 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11443 MakePieceList(soughtBoard, minSought);
11444 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11446 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11447 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11450 GameInfo dummyInfo;
11453 GameContainsPosition (FILE *f, ListGame *lg)
11455 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11456 int fromX, fromY, toX, toY;
11458 static int initDone=FALSE;
11460 // weed out games based on numerical tag comparison
11461 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11462 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11463 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11464 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11466 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11469 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11470 else CopyBoard(boards[scratch], initialPosition); // default start position
11473 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11474 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11477 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11478 fseek(f, lg->offset, 0);
11481 yyboardindex = scratch;
11482 quickFlag = plyNr+1;
11487 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11493 if(plyNr) return -1; // after we have seen moves, this is for new game
11496 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11497 case ImpossibleMove:
11498 case WhiteWins: // game ends here with these four
11501 case GameUnfinished:
11505 if(appData.testLegality) return -1;
11506 case WhiteCapturesEnPassant:
11507 case BlackCapturesEnPassant:
11508 case WhitePromotion:
11509 case BlackPromotion:
11510 case WhiteNonPromotion:
11511 case BlackNonPromotion:
11513 case WhiteKingSideCastle:
11514 case WhiteQueenSideCastle:
11515 case BlackKingSideCastle:
11516 case BlackQueenSideCastle:
11517 case WhiteKingSideCastleWild:
11518 case WhiteQueenSideCastleWild:
11519 case BlackKingSideCastleWild:
11520 case BlackQueenSideCastleWild:
11521 case WhiteHSideCastleFR:
11522 case WhiteASideCastleFR:
11523 case BlackHSideCastleFR:
11524 case BlackASideCastleFR:
11525 fromX = currentMoveString[0] - AAA;
11526 fromY = currentMoveString[1] - ONE;
11527 toX = currentMoveString[2] - AAA;
11528 toY = currentMoveString[3] - ONE;
11529 promoChar = currentMoveString[4];
11533 fromX = next == WhiteDrop ?
11534 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11535 (int) CharToPiece(ToLower(currentMoveString[0]));
11537 toX = currentMoveString[2] - AAA;
11538 toY = currentMoveString[3] - ONE;
11542 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11544 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11545 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11546 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11547 if(appData.findMirror) {
11548 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11549 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11554 /* Load the nth game from open file f */
11556 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11560 int gn = gameNumber;
11561 ListGame *lg = NULL;
11562 int numPGNTags = 0;
11564 GameMode oldGameMode;
11565 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11567 if (appData.debugMode)
11568 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11570 if (gameMode == Training )
11571 SetTrainingModeOff();
11573 oldGameMode = gameMode;
11574 if (gameMode != BeginningOfGame) {
11575 Reset(FALSE, TRUE);
11579 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11580 fclose(lastLoadGameFP);
11584 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11587 fseek(f, lg->offset, 0);
11588 GameListHighlight(gameNumber);
11589 pos = lg->position;
11593 DisplayError(_("Game number out of range"), 0);
11598 if (fseek(f, 0, 0) == -1) {
11599 if (f == lastLoadGameFP ?
11600 gameNumber == lastLoadGameNumber + 1 :
11604 DisplayError(_("Can't seek on game file"), 0);
11609 lastLoadGameFP = f;
11610 lastLoadGameNumber = gameNumber;
11611 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11612 lastLoadGameUseList = useList;
11616 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11617 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11618 lg->gameInfo.black);
11620 } else if (*title != NULLCHAR) {
11621 if (gameNumber > 1) {
11622 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11625 DisplayTitle(title);
11629 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11630 gameMode = PlayFromGameFile;
11634 currentMove = forwardMostMove = backwardMostMove = 0;
11635 CopyBoard(boards[0], initialPosition);
11639 * Skip the first gn-1 games in the file.
11640 * Also skip over anything that precedes an identifiable
11641 * start of game marker, to avoid being confused by
11642 * garbage at the start of the file. Currently
11643 * recognized start of game markers are the move number "1",
11644 * the pattern "gnuchess .* game", the pattern
11645 * "^[#;%] [^ ]* game file", and a PGN tag block.
11646 * A game that starts with one of the latter two patterns
11647 * will also have a move number 1, possibly
11648 * following a position diagram.
11649 * 5-4-02: Let's try being more lenient and allowing a game to
11650 * start with an unnumbered move. Does that break anything?
11652 cm = lastLoadGameStart = EndOfFile;
11654 yyboardindex = forwardMostMove;
11655 cm = (ChessMove) Myylex();
11658 if (cmailMsgLoaded) {
11659 nCmailGames = CMAIL_MAX_GAMES - gn;
11662 DisplayError(_("Game not found in file"), 0);
11669 lastLoadGameStart = cm;
11672 case MoveNumberOne:
11673 switch (lastLoadGameStart) {
11678 case MoveNumberOne:
11680 gn--; /* count this game */
11681 lastLoadGameStart = cm;
11690 switch (lastLoadGameStart) {
11693 case MoveNumberOne:
11695 gn--; /* count this game */
11696 lastLoadGameStart = cm;
11699 lastLoadGameStart = cm; /* game counted already */
11707 yyboardindex = forwardMostMove;
11708 cm = (ChessMove) Myylex();
11709 } while (cm == PGNTag || cm == Comment);
11716 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11717 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11718 != CMAIL_OLD_RESULT) {
11720 cmailResult[ CMAIL_MAX_GAMES
11721 - gn - 1] = CMAIL_OLD_RESULT;
11727 /* Only a NormalMove can be at the start of a game
11728 * without a position diagram. */
11729 if (lastLoadGameStart == EndOfFile ) {
11731 lastLoadGameStart = MoveNumberOne;
11740 if (appData.debugMode)
11741 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11743 if (cm == XBoardGame) {
11744 /* Skip any header junk before position diagram and/or move 1 */
11746 yyboardindex = forwardMostMove;
11747 cm = (ChessMove) Myylex();
11749 if (cm == EndOfFile ||
11750 cm == GNUChessGame || cm == XBoardGame) {
11751 /* Empty game; pretend end-of-file and handle later */
11756 if (cm == MoveNumberOne || cm == PositionDiagram ||
11757 cm == PGNTag || cm == Comment)
11760 } else if (cm == GNUChessGame) {
11761 if (gameInfo.event != NULL) {
11762 free(gameInfo.event);
11764 gameInfo.event = StrSave(yy_text);
11767 startedFromSetupPosition = FALSE;
11768 while (cm == PGNTag) {
11769 if (appData.debugMode)
11770 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11771 err = ParsePGNTag(yy_text, &gameInfo);
11772 if (!err) numPGNTags++;
11774 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11775 if(gameInfo.variant != oldVariant) {
11776 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11777 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11778 InitPosition(TRUE);
11779 oldVariant = gameInfo.variant;
11780 if (appData.debugMode)
11781 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11785 if (gameInfo.fen != NULL) {
11786 Board initial_position;
11787 startedFromSetupPosition = TRUE;
11788 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11790 DisplayError(_("Bad FEN position in file"), 0);
11793 CopyBoard(boards[0], initial_position);
11794 if (blackPlaysFirst) {
11795 currentMove = forwardMostMove = backwardMostMove = 1;
11796 CopyBoard(boards[1], initial_position);
11797 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11798 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11799 timeRemaining[0][1] = whiteTimeRemaining;
11800 timeRemaining[1][1] = blackTimeRemaining;
11801 if (commentList[0] != NULL) {
11802 commentList[1] = commentList[0];
11803 commentList[0] = NULL;
11806 currentMove = forwardMostMove = backwardMostMove = 0;
11808 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11810 initialRulePlies = FENrulePlies;
11811 for( i=0; i< nrCastlingRights; i++ )
11812 initialRights[i] = initial_position[CASTLING][i];
11814 yyboardindex = forwardMostMove;
11815 free(gameInfo.fen);
11816 gameInfo.fen = NULL;
11819 yyboardindex = forwardMostMove;
11820 cm = (ChessMove) Myylex();
11822 /* Handle comments interspersed among the tags */
11823 while (cm == Comment) {
11825 if (appData.debugMode)
11826 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11828 AppendComment(currentMove, p, FALSE);
11829 yyboardindex = forwardMostMove;
11830 cm = (ChessMove) Myylex();
11834 /* don't rely on existence of Event tag since if game was
11835 * pasted from clipboard the Event tag may not exist
11837 if (numPGNTags > 0){
11839 if (gameInfo.variant == VariantNormal) {
11840 VariantClass v = StringToVariant(gameInfo.event);
11841 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11842 if(v < VariantShogi) gameInfo.variant = v;
11845 if( appData.autoDisplayTags ) {
11846 tags = PGNTags(&gameInfo);
11847 TagsPopUp(tags, CmailMsg());
11852 /* Make something up, but don't display it now */
11857 if (cm == PositionDiagram) {
11860 Board initial_position;
11862 if (appData.debugMode)
11863 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11865 if (!startedFromSetupPosition) {
11867 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11868 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11879 initial_position[i][j++] = CharToPiece(*p);
11882 while (*p == ' ' || *p == '\t' ||
11883 *p == '\n' || *p == '\r') p++;
11885 if (strncmp(p, "black", strlen("black"))==0)
11886 blackPlaysFirst = TRUE;
11888 blackPlaysFirst = FALSE;
11889 startedFromSetupPosition = TRUE;
11891 CopyBoard(boards[0], initial_position);
11892 if (blackPlaysFirst) {
11893 currentMove = forwardMostMove = backwardMostMove = 1;
11894 CopyBoard(boards[1], initial_position);
11895 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11896 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11897 timeRemaining[0][1] = whiteTimeRemaining;
11898 timeRemaining[1][1] = blackTimeRemaining;
11899 if (commentList[0] != NULL) {
11900 commentList[1] = commentList[0];
11901 commentList[0] = NULL;
11904 currentMove = forwardMostMove = backwardMostMove = 0;
11907 yyboardindex = forwardMostMove;
11908 cm = (ChessMove) Myylex();
11911 if (first.pr == NoProc) {
11912 StartChessProgram(&first);
11914 InitChessProgram(&first, FALSE);
11915 SendToProgram("force\n", &first);
11916 if (startedFromSetupPosition) {
11917 SendBoard(&first, forwardMostMove);
11918 if (appData.debugMode) {
11919 fprintf(debugFP, "Load Game\n");
11921 DisplayBothClocks();
11924 /* [HGM] server: flag to write setup moves in broadcast file as one */
11925 loadFlag = appData.suppressLoadMoves;
11927 while (cm == Comment) {
11929 if (appData.debugMode)
11930 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11932 AppendComment(currentMove, p, FALSE);
11933 yyboardindex = forwardMostMove;
11934 cm = (ChessMove) Myylex();
11937 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11938 cm == WhiteWins || cm == BlackWins ||
11939 cm == GameIsDrawn || cm == GameUnfinished) {
11940 DisplayMessage("", _("No moves in game"));
11941 if (cmailMsgLoaded) {
11942 if (appData.debugMode)
11943 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11947 DrawPosition(FALSE, boards[currentMove]);
11948 DisplayBothClocks();
11949 gameMode = EditGame;
11956 // [HGM] PV info: routine tests if comment empty
11957 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11958 DisplayComment(currentMove - 1, commentList[currentMove]);
11960 if (!matchMode && appData.timeDelay != 0)
11961 DrawPosition(FALSE, boards[currentMove]);
11963 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11964 programStats.ok_to_send = 1;
11967 /* if the first token after the PGN tags is a move
11968 * and not move number 1, retrieve it from the parser
11970 if (cm != MoveNumberOne)
11971 LoadGameOneMove(cm);
11973 /* load the remaining moves from the file */
11974 while (LoadGameOneMove(EndOfFile)) {
11975 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11976 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11979 /* rewind to the start of the game */
11980 currentMove = backwardMostMove;
11982 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11984 if (oldGameMode == AnalyzeFile ||
11985 oldGameMode == AnalyzeMode) {
11986 AnalyzeFileEvent();
11989 if (!matchMode && pos >= 0) {
11990 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11992 if (matchMode || appData.timeDelay == 0) {
11994 } else if (appData.timeDelay > 0) {
11995 AutoPlayGameLoop();
11998 if (appData.debugMode)
11999 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12001 loadFlag = 0; /* [HGM] true game starts */
12005 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12007 ReloadPosition (int offset)
12009 int positionNumber = lastLoadPositionNumber + offset;
12010 if (lastLoadPositionFP == NULL) {
12011 DisplayError(_("No position has been loaded yet"), 0);
12014 if (positionNumber <= 0) {
12015 DisplayError(_("Can't back up any further"), 0);
12018 return LoadPosition(lastLoadPositionFP, positionNumber,
12019 lastLoadPositionTitle);
12022 /* Load the nth position from the given file */
12024 LoadPositionFromFile (char *filename, int n, char *title)
12029 if (strcmp(filename, "-") == 0) {
12030 return LoadPosition(stdin, n, "stdin");
12032 f = fopen(filename, "rb");
12034 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12035 DisplayError(buf, errno);
12038 return LoadPosition(f, n, title);
12043 /* Load the nth position from the given open file, and close it */
12045 LoadPosition (FILE *f, int positionNumber, char *title)
12047 char *p, line[MSG_SIZ];
12048 Board initial_position;
12049 int i, j, fenMode, pn;
12051 if (gameMode == Training )
12052 SetTrainingModeOff();
12054 if (gameMode != BeginningOfGame) {
12055 Reset(FALSE, TRUE);
12057 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12058 fclose(lastLoadPositionFP);
12060 if (positionNumber == 0) positionNumber = 1;
12061 lastLoadPositionFP = f;
12062 lastLoadPositionNumber = positionNumber;
12063 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12064 if (first.pr == NoProc && !appData.noChessProgram) {
12065 StartChessProgram(&first);
12066 InitChessProgram(&first, FALSE);
12068 pn = positionNumber;
12069 if (positionNumber < 0) {
12070 /* Negative position number means to seek to that byte offset */
12071 if (fseek(f, -positionNumber, 0) == -1) {
12072 DisplayError(_("Can't seek on position file"), 0);
12077 if (fseek(f, 0, 0) == -1) {
12078 if (f == lastLoadPositionFP ?
12079 positionNumber == lastLoadPositionNumber + 1 :
12080 positionNumber == 1) {
12083 DisplayError(_("Can't seek on position file"), 0);
12088 /* See if this file is FEN or old-style xboard */
12089 if (fgets(line, MSG_SIZ, f) == NULL) {
12090 DisplayError(_("Position not found in file"), 0);
12093 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12094 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12097 if (fenMode || line[0] == '#') pn--;
12099 /* skip positions before number pn */
12100 if (fgets(line, MSG_SIZ, f) == NULL) {
12102 DisplayError(_("Position not found in file"), 0);
12105 if (fenMode || line[0] == '#') pn--;
12110 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12111 DisplayError(_("Bad FEN position in file"), 0);
12115 (void) fgets(line, MSG_SIZ, f);
12116 (void) fgets(line, MSG_SIZ, f);
12118 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12119 (void) fgets(line, MSG_SIZ, f);
12120 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12123 initial_position[i][j++] = CharToPiece(*p);
12127 blackPlaysFirst = FALSE;
12129 (void) fgets(line, MSG_SIZ, f);
12130 if (strncmp(line, "black", strlen("black"))==0)
12131 blackPlaysFirst = TRUE;
12134 startedFromSetupPosition = TRUE;
12136 CopyBoard(boards[0], initial_position);
12137 if (blackPlaysFirst) {
12138 currentMove = forwardMostMove = backwardMostMove = 1;
12139 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12140 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12141 CopyBoard(boards[1], initial_position);
12142 DisplayMessage("", _("Black to play"));
12144 currentMove = forwardMostMove = backwardMostMove = 0;
12145 DisplayMessage("", _("White to play"));
12147 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12148 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12149 SendToProgram("force\n", &first);
12150 SendBoard(&first, forwardMostMove);
12152 if (appData.debugMode) {
12154 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12155 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12156 fprintf(debugFP, "Load Position\n");
12159 if (positionNumber > 1) {
12160 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12161 DisplayTitle(line);
12163 DisplayTitle(title);
12165 gameMode = EditGame;
12168 timeRemaining[0][1] = whiteTimeRemaining;
12169 timeRemaining[1][1] = blackTimeRemaining;
12170 DrawPosition(FALSE, boards[currentMove]);
12177 CopyPlayerNameIntoFileName (char **dest, char *src)
12179 while (*src != NULLCHAR && *src != ',') {
12184 *(*dest)++ = *src++;
12190 DefaultFileName (char *ext)
12192 static char def[MSG_SIZ];
12195 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12197 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12199 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12201 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12208 /* Save the current game to the given file */
12210 SaveGameToFile (char *filename, int append)
12214 int result, i, t,tot=0;
12216 if (strcmp(filename, "-") == 0) {
12217 return SaveGame(stdout, 0, NULL);
12219 for(i=0; i<10; i++) { // upto 10 tries
12220 f = fopen(filename, append ? "a" : "w");
12221 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12222 if(f || errno != 13) break;
12223 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12227 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12228 DisplayError(buf, errno);
12231 safeStrCpy(buf, lastMsg, MSG_SIZ);
12232 DisplayMessage(_("Waiting for access to save file"), "");
12233 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12234 DisplayMessage(_("Saving game"), "");
12235 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12236 result = SaveGame(f, 0, NULL);
12237 DisplayMessage(buf, "");
12244 SavePart (char *str)
12246 static char buf[MSG_SIZ];
12249 p = strchr(str, ' ');
12250 if (p == NULL) return str;
12251 strncpy(buf, str, p - str);
12252 buf[p - str] = NULLCHAR;
12256 #define PGN_MAX_LINE 75
12258 #define PGN_SIDE_WHITE 0
12259 #define PGN_SIDE_BLACK 1
12262 FindFirstMoveOutOfBook (int side)
12266 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12267 int index = backwardMostMove;
12268 int has_book_hit = 0;
12270 if( (index % 2) != side ) {
12274 while( index < forwardMostMove ) {
12275 /* Check to see if engine is in book */
12276 int depth = pvInfoList[index].depth;
12277 int score = pvInfoList[index].score;
12283 else if( score == 0 && depth == 63 ) {
12284 in_book = 1; /* Zappa */
12286 else if( score == 2 && depth == 99 ) {
12287 in_book = 1; /* Abrok */
12290 has_book_hit += in_book;
12306 GetOutOfBookInfo (char * buf)
12310 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12312 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12313 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12317 if( oob[0] >= 0 || oob[1] >= 0 ) {
12318 for( i=0; i<2; i++ ) {
12322 if( i > 0 && oob[0] >= 0 ) {
12323 strcat( buf, " " );
12326 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12327 sprintf( buf+strlen(buf), "%s%.2f",
12328 pvInfoList[idx].score >= 0 ? "+" : "",
12329 pvInfoList[idx].score / 100.0 );
12335 /* Save game in PGN style and close the file */
12337 SaveGamePGN (FILE *f)
12339 int i, offset, linelen, newblock;
12343 int movelen, numlen, blank;
12344 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12346 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12348 tm = time((time_t *) NULL);
12350 PrintPGNTags(f, &gameInfo);
12352 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12354 if (backwardMostMove > 0 || startedFromSetupPosition) {
12355 char *fen = PositionToFEN(backwardMostMove, NULL);
12356 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12357 fprintf(f, "\n{--------------\n");
12358 PrintPosition(f, backwardMostMove);
12359 fprintf(f, "--------------}\n");
12363 /* [AS] Out of book annotation */
12364 if( appData.saveOutOfBookInfo ) {
12367 GetOutOfBookInfo( buf );
12369 if( buf[0] != '\0' ) {
12370 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12377 i = backwardMostMove;
12381 while (i < forwardMostMove) {
12382 /* Print comments preceding this move */
12383 if (commentList[i] != NULL) {
12384 if (linelen > 0) fprintf(f, "\n");
12385 fprintf(f, "%s", commentList[i]);
12390 /* Format move number */
12392 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12395 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12397 numtext[0] = NULLCHAR;
12399 numlen = strlen(numtext);
12402 /* Print move number */
12403 blank = linelen > 0 && numlen > 0;
12404 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12413 fprintf(f, "%s", numtext);
12417 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12418 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12421 blank = linelen > 0 && movelen > 0;
12422 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12431 fprintf(f, "%s", move_buffer);
12432 linelen += movelen;
12434 /* [AS] Add PV info if present */
12435 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12436 /* [HGM] add time */
12437 char buf[MSG_SIZ]; int seconds;
12439 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12445 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12448 seconds = (seconds + 4)/10; // round to full seconds
12450 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12452 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12455 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12456 pvInfoList[i].score >= 0 ? "+" : "",
12457 pvInfoList[i].score / 100.0,
12458 pvInfoList[i].depth,
12461 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12463 /* Print score/depth */
12464 blank = linelen > 0 && movelen > 0;
12465 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12474 fprintf(f, "%s", move_buffer);
12475 linelen += movelen;
12481 /* Start a new line */
12482 if (linelen > 0) fprintf(f, "\n");
12484 /* Print comments after last move */
12485 if (commentList[i] != NULL) {
12486 fprintf(f, "%s\n", commentList[i]);
12490 if (gameInfo.resultDetails != NULL &&
12491 gameInfo.resultDetails[0] != NULLCHAR) {
12492 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12493 PGNResult(gameInfo.result));
12495 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12499 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12503 /* Save game in old style and close the file */
12505 SaveGameOldStyle (FILE *f)
12510 tm = time((time_t *) NULL);
12512 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12515 if (backwardMostMove > 0 || startedFromSetupPosition) {
12516 fprintf(f, "\n[--------------\n");
12517 PrintPosition(f, backwardMostMove);
12518 fprintf(f, "--------------]\n");
12523 i = backwardMostMove;
12524 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12526 while (i < forwardMostMove) {
12527 if (commentList[i] != NULL) {
12528 fprintf(f, "[%s]\n", commentList[i]);
12531 if ((i % 2) == 1) {
12532 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12535 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12537 if (commentList[i] != NULL) {
12541 if (i >= forwardMostMove) {
12545 fprintf(f, "%s\n", parseList[i]);
12550 if (commentList[i] != NULL) {
12551 fprintf(f, "[%s]\n", commentList[i]);
12554 /* This isn't really the old style, but it's close enough */
12555 if (gameInfo.resultDetails != NULL &&
12556 gameInfo.resultDetails[0] != NULLCHAR) {
12557 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12558 gameInfo.resultDetails);
12560 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12567 /* Save the current game to open file f and close the file */
12569 SaveGame (FILE *f, int dummy, char *dummy2)
12571 if (gameMode == EditPosition) EditPositionDone(TRUE);
12572 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12573 if (appData.oldSaveStyle)
12574 return SaveGameOldStyle(f);
12576 return SaveGamePGN(f);
12579 /* Save the current position to the given file */
12581 SavePositionToFile (char *filename)
12586 if (strcmp(filename, "-") == 0) {
12587 return SavePosition(stdout, 0, NULL);
12589 f = fopen(filename, "a");
12591 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12592 DisplayError(buf, errno);
12595 safeStrCpy(buf, lastMsg, MSG_SIZ);
12596 DisplayMessage(_("Waiting for access to save file"), "");
12597 flock(fileno(f), LOCK_EX); // [HGM] lock
12598 DisplayMessage(_("Saving position"), "");
12599 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12600 SavePosition(f, 0, NULL);
12601 DisplayMessage(buf, "");
12607 /* Save the current position to the given open file and close the file */
12609 SavePosition (FILE *f, int dummy, char *dummy2)
12614 if (gameMode == EditPosition) EditPositionDone(TRUE);
12615 if (appData.oldSaveStyle) {
12616 tm = time((time_t *) NULL);
12618 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12620 fprintf(f, "[--------------\n");
12621 PrintPosition(f, currentMove);
12622 fprintf(f, "--------------]\n");
12624 fen = PositionToFEN(currentMove, NULL);
12625 fprintf(f, "%s\n", fen);
12633 ReloadCmailMsgEvent (int unregister)
12636 static char *inFilename = NULL;
12637 static char *outFilename;
12639 struct stat inbuf, outbuf;
12642 /* Any registered moves are unregistered if unregister is set, */
12643 /* i.e. invoked by the signal handler */
12645 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12646 cmailMoveRegistered[i] = FALSE;
12647 if (cmailCommentList[i] != NULL) {
12648 free(cmailCommentList[i]);
12649 cmailCommentList[i] = NULL;
12652 nCmailMovesRegistered = 0;
12655 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12656 cmailResult[i] = CMAIL_NOT_RESULT;
12660 if (inFilename == NULL) {
12661 /* Because the filenames are static they only get malloced once */
12662 /* and they never get freed */
12663 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12664 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12666 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12667 sprintf(outFilename, "%s.out", appData.cmailGameName);
12670 status = stat(outFilename, &outbuf);
12672 cmailMailedMove = FALSE;
12674 status = stat(inFilename, &inbuf);
12675 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12678 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12679 counts the games, notes how each one terminated, etc.
12681 It would be nice to remove this kludge and instead gather all
12682 the information while building the game list. (And to keep it
12683 in the game list nodes instead of having a bunch of fixed-size
12684 parallel arrays.) Note this will require getting each game's
12685 termination from the PGN tags, as the game list builder does
12686 not process the game moves. --mann
12688 cmailMsgLoaded = TRUE;
12689 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12691 /* Load first game in the file or popup game menu */
12692 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12694 #endif /* !WIN32 */
12702 char string[MSG_SIZ];
12704 if ( cmailMailedMove
12705 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12706 return TRUE; /* Allow free viewing */
12709 /* Unregister move to ensure that we don't leave RegisterMove */
12710 /* with the move registered when the conditions for registering no */
12712 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12713 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12714 nCmailMovesRegistered --;
12716 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12718 free(cmailCommentList[lastLoadGameNumber - 1]);
12719 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12723 if (cmailOldMove == -1) {
12724 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12728 if (currentMove > cmailOldMove + 1) {
12729 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12733 if (currentMove < cmailOldMove) {
12734 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12738 if (forwardMostMove > currentMove) {
12739 /* Silently truncate extra moves */
12743 if ( (currentMove == cmailOldMove + 1)
12744 || ( (currentMove == cmailOldMove)
12745 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12746 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12747 if (gameInfo.result != GameUnfinished) {
12748 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12751 if (commentList[currentMove] != NULL) {
12752 cmailCommentList[lastLoadGameNumber - 1]
12753 = StrSave(commentList[currentMove]);
12755 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12757 if (appData.debugMode)
12758 fprintf(debugFP, "Saving %s for game %d\n",
12759 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12761 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12763 f = fopen(string, "w");
12764 if (appData.oldSaveStyle) {
12765 SaveGameOldStyle(f); /* also closes the file */
12767 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12768 f = fopen(string, "w");
12769 SavePosition(f, 0, NULL); /* also closes the file */
12771 fprintf(f, "{--------------\n");
12772 PrintPosition(f, currentMove);
12773 fprintf(f, "--------------}\n\n");
12775 SaveGame(f, 0, NULL); /* also closes the file*/
12778 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12779 nCmailMovesRegistered ++;
12780 } else if (nCmailGames == 1) {
12781 DisplayError(_("You have not made a move yet"), 0);
12792 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12793 FILE *commandOutput;
12794 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12795 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12801 if (! cmailMsgLoaded) {
12802 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12806 if (nCmailGames == nCmailResults) {
12807 DisplayError(_("No unfinished games"), 0);
12811 #if CMAIL_PROHIBIT_REMAIL
12812 if (cmailMailedMove) {
12813 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);
12814 DisplayError(msg, 0);
12819 if (! (cmailMailedMove || RegisterMove())) return;
12821 if ( cmailMailedMove
12822 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12823 snprintf(string, MSG_SIZ, partCommandString,
12824 appData.debugMode ? " -v" : "", appData.cmailGameName);
12825 commandOutput = popen(string, "r");
12827 if (commandOutput == NULL) {
12828 DisplayError(_("Failed to invoke cmail"), 0);
12830 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12831 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12833 if (nBuffers > 1) {
12834 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12835 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12836 nBytes = MSG_SIZ - 1;
12838 (void) memcpy(msg, buffer, nBytes);
12840 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12842 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12843 cmailMailedMove = TRUE; /* Prevent >1 moves */
12846 for (i = 0; i < nCmailGames; i ++) {
12847 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12852 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12854 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12856 appData.cmailGameName,
12858 LoadGameFromFile(buffer, 1, buffer, FALSE);
12859 cmailMsgLoaded = FALSE;
12863 DisplayInformation(msg);
12864 pclose(commandOutput);
12867 if ((*cmailMsg) != '\0') {
12868 DisplayInformation(cmailMsg);
12873 #endif /* !WIN32 */
12882 int prependComma = 0;
12884 char string[MSG_SIZ]; /* Space for game-list */
12887 if (!cmailMsgLoaded) return "";
12889 if (cmailMailedMove) {
12890 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12892 /* Create a list of games left */
12893 snprintf(string, MSG_SIZ, "[");
12894 for (i = 0; i < nCmailGames; i ++) {
12895 if (! ( cmailMoveRegistered[i]
12896 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12897 if (prependComma) {
12898 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12900 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12904 strcat(string, number);
12907 strcat(string, "]");
12909 if (nCmailMovesRegistered + nCmailResults == 0) {
12910 switch (nCmailGames) {
12912 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12916 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12920 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12925 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12927 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12932 if (nCmailResults == nCmailGames) {
12933 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12935 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12940 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12952 if (gameMode == Training)
12953 SetTrainingModeOff();
12956 cmailMsgLoaded = FALSE;
12957 if (appData.icsActive) {
12958 SendToICS(ics_prefix);
12959 SendToICS("refresh\n");
12964 ExitEvent (int status)
12968 /* Give up on clean exit */
12972 /* Keep trying for clean exit */
12976 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12978 if (telnetISR != NULL) {
12979 RemoveInputSource(telnetISR);
12981 if (icsPR != NoProc) {
12982 DestroyChildProcess(icsPR, TRUE);
12985 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12986 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12988 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12989 /* make sure this other one finishes before killing it! */
12990 if(endingGame) { int count = 0;
12991 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12992 while(endingGame && count++ < 10) DoSleep(1);
12993 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12996 /* Kill off chess programs */
12997 if (first.pr != NoProc) {
13000 DoSleep( appData.delayBeforeQuit );
13001 SendToProgram("quit\n", &first);
13002 DoSleep( appData.delayAfterQuit );
13003 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13005 if (second.pr != NoProc) {
13006 DoSleep( appData.delayBeforeQuit );
13007 SendToProgram("quit\n", &second);
13008 DoSleep( appData.delayAfterQuit );
13009 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13011 if (first.isr != NULL) {
13012 RemoveInputSource(first.isr);
13014 if (second.isr != NULL) {
13015 RemoveInputSource(second.isr);
13018 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13019 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13021 ShutDownFrontEnd();
13028 if (appData.debugMode)
13029 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13033 if (gameMode == MachinePlaysWhite ||
13034 gameMode == MachinePlaysBlack) {
13037 DisplayBothClocks();
13039 if (gameMode == PlayFromGameFile) {
13040 if (appData.timeDelay >= 0)
13041 AutoPlayGameLoop();
13042 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13043 Reset(FALSE, TRUE);
13044 SendToICS(ics_prefix);
13045 SendToICS("refresh\n");
13046 } else if (currentMove < forwardMostMove) {
13047 ForwardInner(forwardMostMove);
13049 pauseExamInvalid = FALSE;
13051 switch (gameMode) {
13055 pauseExamForwardMostMove = forwardMostMove;
13056 pauseExamInvalid = FALSE;
13059 case IcsPlayingWhite:
13060 case IcsPlayingBlack:
13064 case PlayFromGameFile:
13065 (void) StopLoadGameTimer();
13069 case BeginningOfGame:
13070 if (appData.icsActive) return;
13071 /* else fall through */
13072 case MachinePlaysWhite:
13073 case MachinePlaysBlack:
13074 case TwoMachinesPlay:
13075 if (forwardMostMove == 0)
13076 return; /* don't pause if no one has moved */
13077 if ((gameMode == MachinePlaysWhite &&
13078 !WhiteOnMove(forwardMostMove)) ||
13079 (gameMode == MachinePlaysBlack &&
13080 WhiteOnMove(forwardMostMove))) {
13091 EditCommentEvent ()
13093 char title[MSG_SIZ];
13095 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13096 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13098 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13099 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13100 parseList[currentMove - 1]);
13103 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13110 char *tags = PGNTags(&gameInfo);
13112 EditTagsPopUp(tags, NULL);
13117 AnalyzeModeEvent ()
13119 if (appData.noChessProgram || gameMode == AnalyzeMode)
13122 if (gameMode != AnalyzeFile) {
13123 if (!appData.icsEngineAnalyze) {
13125 if (gameMode != EditGame) return;
13127 ResurrectChessProgram();
13128 SendToProgram("analyze\n", &first);
13129 first.analyzing = TRUE;
13130 /*first.maybeThinking = TRUE;*/
13131 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13132 EngineOutputPopUp();
13134 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13139 StartAnalysisClock();
13140 GetTimeMark(&lastNodeCountTime);
13145 AnalyzeFileEvent ()
13147 if (appData.noChessProgram || gameMode == AnalyzeFile)
13150 if (gameMode != AnalyzeMode) {
13152 if (gameMode != EditGame) return;
13153 ResurrectChessProgram();
13154 SendToProgram("analyze\n", &first);
13155 first.analyzing = TRUE;
13156 /*first.maybeThinking = TRUE;*/
13157 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13158 EngineOutputPopUp();
13160 gameMode = AnalyzeFile;
13165 StartAnalysisClock();
13166 GetTimeMark(&lastNodeCountTime);
13168 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13172 MachineWhiteEvent ()
13175 char *bookHit = NULL;
13177 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13181 if (gameMode == PlayFromGameFile ||
13182 gameMode == TwoMachinesPlay ||
13183 gameMode == Training ||
13184 gameMode == AnalyzeMode ||
13185 gameMode == EndOfGame)
13188 if (gameMode == EditPosition)
13189 EditPositionDone(TRUE);
13191 if (!WhiteOnMove(currentMove)) {
13192 DisplayError(_("It is not White's turn"), 0);
13196 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13199 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13200 gameMode == AnalyzeFile)
13203 ResurrectChessProgram(); /* in case it isn't running */
13204 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13205 gameMode = MachinePlaysWhite;
13208 gameMode = MachinePlaysWhite;
13212 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13214 if (first.sendName) {
13215 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13216 SendToProgram(buf, &first);
13218 if (first.sendTime) {
13219 if (first.useColors) {
13220 SendToProgram("black\n", &first); /*gnu kludge*/
13222 SendTimeRemaining(&first, TRUE);
13224 if (first.useColors) {
13225 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13227 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13228 SetMachineThinkingEnables();
13229 first.maybeThinking = TRUE;
13233 if (appData.autoFlipView && !flipView) {
13234 flipView = !flipView;
13235 DrawPosition(FALSE, NULL);
13236 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13239 if(bookHit) { // [HGM] book: simulate book reply
13240 static char bookMove[MSG_SIZ]; // a bit generous?
13242 programStats.nodes = programStats.depth = programStats.time =
13243 programStats.score = programStats.got_only_move = 0;
13244 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13246 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13247 strcat(bookMove, bookHit);
13248 HandleMachineMove(bookMove, &first);
13253 MachineBlackEvent ()
13256 char *bookHit = NULL;
13258 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13262 if (gameMode == PlayFromGameFile ||
13263 gameMode == TwoMachinesPlay ||
13264 gameMode == Training ||
13265 gameMode == AnalyzeMode ||
13266 gameMode == EndOfGame)
13269 if (gameMode == EditPosition)
13270 EditPositionDone(TRUE);
13272 if (WhiteOnMove(currentMove)) {
13273 DisplayError(_("It is not Black's turn"), 0);
13277 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13280 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13281 gameMode == AnalyzeFile)
13284 ResurrectChessProgram(); /* in case it isn't running */
13285 gameMode = MachinePlaysBlack;
13289 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13291 if (first.sendName) {
13292 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13293 SendToProgram(buf, &first);
13295 if (first.sendTime) {
13296 if (first.useColors) {
13297 SendToProgram("white\n", &first); /*gnu kludge*/
13299 SendTimeRemaining(&first, FALSE);
13301 if (first.useColors) {
13302 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13304 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13305 SetMachineThinkingEnables();
13306 first.maybeThinking = TRUE;
13309 if (appData.autoFlipView && flipView) {
13310 flipView = !flipView;
13311 DrawPosition(FALSE, NULL);
13312 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13314 if(bookHit) { // [HGM] book: simulate book reply
13315 static char bookMove[MSG_SIZ]; // a bit generous?
13317 programStats.nodes = programStats.depth = programStats.time =
13318 programStats.score = programStats.got_only_move = 0;
13319 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13321 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13322 strcat(bookMove, bookHit);
13323 HandleMachineMove(bookMove, &first);
13329 DisplayTwoMachinesTitle ()
13332 if (appData.matchGames > 0) {
13333 if(appData.tourneyFile[0]) {
13334 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13335 gameInfo.white, _("vs."), gameInfo.black,
13336 nextGame+1, appData.matchGames+1,
13337 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13339 if (first.twoMachinesColor[0] == 'w') {
13340 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13341 gameInfo.white, _("vs."), gameInfo.black,
13342 first.matchWins, second.matchWins,
13343 matchGame - 1 - (first.matchWins + second.matchWins));
13345 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13346 gameInfo.white, _("vs."), gameInfo.black,
13347 second.matchWins, first.matchWins,
13348 matchGame - 1 - (first.matchWins + second.matchWins));
13351 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13357 SettingsMenuIfReady ()
13359 if (second.lastPing != second.lastPong) {
13360 DisplayMessage("", _("Waiting for second chess program"));
13361 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13365 DisplayMessage("", "");
13366 SettingsPopUp(&second);
13370 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13373 if (cps->pr == NoProc) {
13374 StartChessProgram(cps);
13375 if (cps->protocolVersion == 1) {
13378 /* kludge: allow timeout for initial "feature" command */
13380 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13381 DisplayMessage("", buf);
13382 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13390 TwoMachinesEvent P((void))
13394 ChessProgramState *onmove;
13395 char *bookHit = NULL;
13396 static int stalling = 0;
13400 if (appData.noChessProgram) return;
13402 switch (gameMode) {
13403 case TwoMachinesPlay:
13405 case MachinePlaysWhite:
13406 case MachinePlaysBlack:
13407 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13408 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13412 case BeginningOfGame:
13413 case PlayFromGameFile:
13416 if (gameMode != EditGame) return;
13419 EditPositionDone(TRUE);
13430 // forwardMostMove = currentMove;
13431 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13433 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13435 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13436 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13437 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13441 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13442 SendToProgram("force\n", &second);
13444 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13447 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13448 if(appData.matchPause>10000 || appData.matchPause<10)
13449 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13450 wait = SubtractTimeMarks(&now, &pauseStart);
13451 if(wait < appData.matchPause) {
13452 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13455 // we are now committed to starting the game
13457 DisplayMessage("", "");
13458 if (startedFromSetupPosition) {
13459 SendBoard(&second, backwardMostMove);
13460 if (appData.debugMode) {
13461 fprintf(debugFP, "Two Machines\n");
13464 for (i = backwardMostMove; i < forwardMostMove; i++) {
13465 SendMoveToProgram(i, &second);
13468 gameMode = TwoMachinesPlay;
13470 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13472 DisplayTwoMachinesTitle();
13474 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13479 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13480 SendToProgram(first.computerString, &first);
13481 if (first.sendName) {
13482 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13483 SendToProgram(buf, &first);
13485 SendToProgram(second.computerString, &second);
13486 if (second.sendName) {
13487 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13488 SendToProgram(buf, &second);
13492 if (!first.sendTime || !second.sendTime) {
13493 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13494 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13496 if (onmove->sendTime) {
13497 if (onmove->useColors) {
13498 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13500 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13502 if (onmove->useColors) {
13503 SendToProgram(onmove->twoMachinesColor, onmove);
13505 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13506 // SendToProgram("go\n", onmove);
13507 onmove->maybeThinking = TRUE;
13508 SetMachineThinkingEnables();
13512 if(bookHit) { // [HGM] book: simulate book reply
13513 static char bookMove[MSG_SIZ]; // a bit generous?
13515 programStats.nodes = programStats.depth = programStats.time =
13516 programStats.score = programStats.got_only_move = 0;
13517 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13519 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13520 strcat(bookMove, bookHit);
13521 savedMessage = bookMove; // args for deferred call
13522 savedState = onmove;
13523 ScheduleDelayedEvent(DeferredBookMove, 1);
13530 if (gameMode == Training) {
13531 SetTrainingModeOff();
13532 gameMode = PlayFromGameFile;
13533 DisplayMessage("", _("Training mode off"));
13535 gameMode = Training;
13536 animateTraining = appData.animate;
13538 /* make sure we are not already at the end of the game */
13539 if (currentMove < forwardMostMove) {
13540 SetTrainingModeOn();
13541 DisplayMessage("", _("Training mode on"));
13543 gameMode = PlayFromGameFile;
13544 DisplayError(_("Already at end of game"), 0);
13553 if (!appData.icsActive) return;
13554 switch (gameMode) {
13555 case IcsPlayingWhite:
13556 case IcsPlayingBlack:
13559 case BeginningOfGame:
13567 EditPositionDone(TRUE);
13580 gameMode = IcsIdle;
13590 switch (gameMode) {
13592 SetTrainingModeOff();
13594 case MachinePlaysWhite:
13595 case MachinePlaysBlack:
13596 case BeginningOfGame:
13597 SendToProgram("force\n", &first);
13598 SetUserThinkingEnables();
13600 case PlayFromGameFile:
13601 (void) StopLoadGameTimer();
13602 if (gameFileFP != NULL) {
13607 EditPositionDone(TRUE);
13612 SendToProgram("force\n", &first);
13614 case TwoMachinesPlay:
13615 GameEnds(EndOfFile, NULL, GE_PLAYER);
13616 ResurrectChessProgram();
13617 SetUserThinkingEnables();
13620 ResurrectChessProgram();
13622 case IcsPlayingBlack:
13623 case IcsPlayingWhite:
13624 DisplayError(_("Warning: You are still playing a game"), 0);
13627 DisplayError(_("Warning: You are still observing a game"), 0);
13630 DisplayError(_("Warning: You are still examining a game"), 0);
13641 first.offeredDraw = second.offeredDraw = 0;
13643 if (gameMode == PlayFromGameFile) {
13644 whiteTimeRemaining = timeRemaining[0][currentMove];
13645 blackTimeRemaining = timeRemaining[1][currentMove];
13649 if (gameMode == MachinePlaysWhite ||
13650 gameMode == MachinePlaysBlack ||
13651 gameMode == TwoMachinesPlay ||
13652 gameMode == EndOfGame) {
13653 i = forwardMostMove;
13654 while (i > currentMove) {
13655 SendToProgram("undo\n", &first);
13658 if(!adjustedClock) {
13659 whiteTimeRemaining = timeRemaining[0][currentMove];
13660 blackTimeRemaining = timeRemaining[1][currentMove];
13661 DisplayBothClocks();
13663 if (whiteFlag || blackFlag) {
13664 whiteFlag = blackFlag = 0;
13669 gameMode = EditGame;
13676 EditPositionEvent ()
13678 if (gameMode == EditPosition) {
13684 if (gameMode != EditGame) return;
13686 gameMode = EditPosition;
13689 if (currentMove > 0)
13690 CopyBoard(boards[0], boards[currentMove]);
13692 blackPlaysFirst = !WhiteOnMove(currentMove);
13694 currentMove = forwardMostMove = backwardMostMove = 0;
13695 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13697 if(!appData.pieceMenu) DisplayMessage("Click clock to clear board", "");
13703 /* [DM] icsEngineAnalyze - possible call from other functions */
13704 if (appData.icsEngineAnalyze) {
13705 appData.icsEngineAnalyze = FALSE;
13707 DisplayMessage("",_("Close ICS engine analyze..."));
13709 if (first.analysisSupport && first.analyzing) {
13710 SendToProgram("exit\n", &first);
13711 first.analyzing = FALSE;
13713 thinkOutput[0] = NULLCHAR;
13717 EditPositionDone (Boolean fakeRights)
13719 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13721 startedFromSetupPosition = TRUE;
13722 InitChessProgram(&first, FALSE);
13723 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13724 boards[0][EP_STATUS] = EP_NONE;
13725 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13726 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13727 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13728 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13729 } else boards[0][CASTLING][2] = NoRights;
13730 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13731 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13732 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13733 } else boards[0][CASTLING][5] = NoRights;
13735 SendToProgram("force\n", &first);
13736 if (blackPlaysFirst) {
13737 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13738 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13739 currentMove = forwardMostMove = backwardMostMove = 1;
13740 CopyBoard(boards[1], boards[0]);
13742 currentMove = forwardMostMove = backwardMostMove = 0;
13744 SendBoard(&first, forwardMostMove);
13745 if (appData.debugMode) {
13746 fprintf(debugFP, "EditPosDone\n");
13749 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13750 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13751 gameMode = EditGame;
13753 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13754 ClearHighlights(); /* [AS] */
13757 /* Pause for `ms' milliseconds */
13758 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13760 TimeDelay (long ms)
13767 } while (SubtractTimeMarks(&m2, &m1) < ms);
13770 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13772 SendMultiLineToICS (char *buf)
13774 char temp[MSG_SIZ+1], *p;
13781 strncpy(temp, buf, len);
13786 if (*p == '\n' || *p == '\r')
13791 strcat(temp, "\n");
13793 SendToPlayer(temp, strlen(temp));
13797 SetWhiteToPlayEvent ()
13799 if (gameMode == EditPosition) {
13800 blackPlaysFirst = FALSE;
13801 DisplayBothClocks(); /* works because currentMove is 0 */
13802 } else if (gameMode == IcsExamining) {
13803 SendToICS(ics_prefix);
13804 SendToICS("tomove white\n");
13809 SetBlackToPlayEvent ()
13811 if (gameMode == EditPosition) {
13812 blackPlaysFirst = TRUE;
13813 currentMove = 1; /* kludge */
13814 DisplayBothClocks();
13816 } else if (gameMode == IcsExamining) {
13817 SendToICS(ics_prefix);
13818 SendToICS("tomove black\n");
13823 EditPositionMenuEvent (ChessSquare selection, int x, int y)
13826 ChessSquare piece = boards[0][y][x];
13828 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13830 switch (selection) {
13832 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13833 SendToICS(ics_prefix);
13834 SendToICS("bsetup clear\n");
13835 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13836 SendToICS(ics_prefix);
13837 SendToICS("clearboard\n");
13839 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13840 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13841 for (y = 0; y < BOARD_HEIGHT; y++) {
13842 if (gameMode == IcsExamining) {
13843 if (boards[currentMove][y][x] != EmptySquare) {
13844 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13849 boards[0][y][x] = p;
13854 if (gameMode == EditPosition) {
13855 DrawPosition(FALSE, boards[0]);
13860 SetWhiteToPlayEvent();
13864 SetBlackToPlayEvent();
13868 if (gameMode == IcsExamining) {
13869 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13870 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13873 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13874 if(x == BOARD_LEFT-2) {
13875 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13876 boards[0][y][1] = 0;
13878 if(x == BOARD_RGHT+1) {
13879 if(y >= gameInfo.holdingsSize) break;
13880 boards[0][y][BOARD_WIDTH-2] = 0;
13883 boards[0][y][x] = EmptySquare;
13884 DrawPosition(FALSE, boards[0]);
13889 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13890 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13891 selection = (ChessSquare) (PROMOTED piece);
13892 } else if(piece == EmptySquare) selection = WhiteSilver;
13893 else selection = (ChessSquare)((int)piece - 1);
13897 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13898 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13899 selection = (ChessSquare) (DEMOTED piece);
13900 } else if(piece == EmptySquare) selection = BlackSilver;
13901 else selection = (ChessSquare)((int)piece + 1);
13906 if(gameInfo.variant == VariantShatranj ||
13907 gameInfo.variant == VariantXiangqi ||
13908 gameInfo.variant == VariantCourier ||
13909 gameInfo.variant == VariantMakruk )
13910 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13915 if(gameInfo.variant == VariantXiangqi)
13916 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13917 if(gameInfo.variant == VariantKnightmate)
13918 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13921 if (gameMode == IcsExamining) {
13922 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13923 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13924 PieceToChar(selection), AAA + x, ONE + y);
13927 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13929 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13930 n = PieceToNumber(selection - BlackPawn);
13931 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13932 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13933 boards[0][BOARD_HEIGHT-1-n][1]++;
13935 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13936 n = PieceToNumber(selection);
13937 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13938 boards[0][n][BOARD_WIDTH-1] = selection;
13939 boards[0][n][BOARD_WIDTH-2]++;
13942 boards[0][y][x] = selection;
13943 DrawPosition(TRUE, boards[0]);
13945 fromX = fromY = -1;
13953 DropMenuEvent (ChessSquare selection, int x, int y)
13955 ChessMove moveType;
13957 switch (gameMode) {
13958 case IcsPlayingWhite:
13959 case MachinePlaysBlack:
13960 if (!WhiteOnMove(currentMove)) {
13961 DisplayMoveError(_("It is Black's turn"));
13964 moveType = WhiteDrop;
13966 case IcsPlayingBlack:
13967 case MachinePlaysWhite:
13968 if (WhiteOnMove(currentMove)) {
13969 DisplayMoveError(_("It is White's turn"));
13972 moveType = BlackDrop;
13975 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13981 if (moveType == BlackDrop && selection < BlackPawn) {
13982 selection = (ChessSquare) ((int) selection
13983 + (int) BlackPawn - (int) WhitePawn);
13985 if (boards[currentMove][y][x] != EmptySquare) {
13986 DisplayMoveError(_("That square is occupied"));
13990 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13996 /* Accept a pending offer of any kind from opponent */
13998 if (appData.icsActive) {
13999 SendToICS(ics_prefix);
14000 SendToICS("accept\n");
14001 } else if (cmailMsgLoaded) {
14002 if (currentMove == cmailOldMove &&
14003 commentList[cmailOldMove] != NULL &&
14004 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14005 "Black offers a draw" : "White offers a draw")) {
14007 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14008 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14010 DisplayError(_("There is no pending offer on this move"), 0);
14011 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14014 /* Not used for offers from chess program */
14021 /* Decline a pending offer of any kind from opponent */
14023 if (appData.icsActive) {
14024 SendToICS(ics_prefix);
14025 SendToICS("decline\n");
14026 } else if (cmailMsgLoaded) {
14027 if (currentMove == cmailOldMove &&
14028 commentList[cmailOldMove] != NULL &&
14029 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14030 "Black offers a draw" : "White offers a draw")) {
14032 AppendComment(cmailOldMove, "Draw declined", TRUE);
14033 DisplayComment(cmailOldMove - 1, "Draw declined");
14036 DisplayError(_("There is no pending offer on this move"), 0);
14039 /* Not used for offers from chess program */
14046 /* Issue ICS rematch command */
14047 if (appData.icsActive) {
14048 SendToICS(ics_prefix);
14049 SendToICS("rematch\n");
14056 /* Call your opponent's flag (claim a win on time) */
14057 if (appData.icsActive) {
14058 SendToICS(ics_prefix);
14059 SendToICS("flag\n");
14061 switch (gameMode) {
14064 case MachinePlaysWhite:
14067 GameEnds(GameIsDrawn, "Both players ran out of time",
14070 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14072 DisplayError(_("Your opponent is not out of time"), 0);
14075 case MachinePlaysBlack:
14078 GameEnds(GameIsDrawn, "Both players ran out of time",
14081 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14083 DisplayError(_("Your opponent is not out of time"), 0);
14091 ClockClick (int which)
14092 { // [HGM] code moved to back-end from winboard.c
14093 if(which) { // black clock
14094 if (gameMode == EditPosition || gameMode == IcsExamining) {
14095 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14096 SetBlackToPlayEvent();
14097 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14098 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14099 } else if (shiftKey) {
14100 AdjustClock(which, -1);
14101 } else if (gameMode == IcsPlayingWhite ||
14102 gameMode == MachinePlaysBlack) {
14105 } else { // white clock
14106 if (gameMode == EditPosition || gameMode == IcsExamining) {
14107 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14108 SetWhiteToPlayEvent();
14109 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14110 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14111 } else if (shiftKey) {
14112 AdjustClock(which, -1);
14113 } else if (gameMode == IcsPlayingBlack ||
14114 gameMode == MachinePlaysWhite) {
14123 /* Offer draw or accept pending draw offer from opponent */
14125 if (appData.icsActive) {
14126 /* Note: tournament rules require draw offers to be
14127 made after you make your move but before you punch
14128 your clock. Currently ICS doesn't let you do that;
14129 instead, you immediately punch your clock after making
14130 a move, but you can offer a draw at any time. */
14132 SendToICS(ics_prefix);
14133 SendToICS("draw\n");
14134 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14135 } else if (cmailMsgLoaded) {
14136 if (currentMove == cmailOldMove &&
14137 commentList[cmailOldMove] != NULL &&
14138 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14139 "Black offers a draw" : "White offers a draw")) {
14140 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14141 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14142 } else if (currentMove == cmailOldMove + 1) {
14143 char *offer = WhiteOnMove(cmailOldMove) ?
14144 "White offers a draw" : "Black offers a draw";
14145 AppendComment(currentMove, offer, TRUE);
14146 DisplayComment(currentMove - 1, offer);
14147 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14149 DisplayError(_("You must make your move before offering a draw"), 0);
14150 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14152 } else if (first.offeredDraw) {
14153 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14155 if (first.sendDrawOffers) {
14156 SendToProgram("draw\n", &first);
14157 userOfferedDraw = TRUE;
14165 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14167 if (appData.icsActive) {
14168 SendToICS(ics_prefix);
14169 SendToICS("adjourn\n");
14171 /* Currently GNU Chess doesn't offer or accept Adjourns */
14179 /* Offer Abort or accept pending Abort offer from opponent */
14181 if (appData.icsActive) {
14182 SendToICS(ics_prefix);
14183 SendToICS("abort\n");
14185 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14192 /* Resign. You can do this even if it's not your turn. */
14194 if (appData.icsActive) {
14195 SendToICS(ics_prefix);
14196 SendToICS("resign\n");
14198 switch (gameMode) {
14199 case MachinePlaysWhite:
14200 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14202 case MachinePlaysBlack:
14203 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14206 if (cmailMsgLoaded) {
14208 if (WhiteOnMove(cmailOldMove)) {
14209 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14211 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14213 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14224 StopObservingEvent ()
14226 /* Stop observing current games */
14227 SendToICS(ics_prefix);
14228 SendToICS("unobserve\n");
14232 StopExaminingEvent ()
14234 /* Stop observing current game */
14235 SendToICS(ics_prefix);
14236 SendToICS("unexamine\n");
14240 ForwardInner (int target)
14242 int limit; int oldSeekGraphUp = seekGraphUp;
14244 if (appData.debugMode)
14245 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14246 target, currentMove, forwardMostMove);
14248 if (gameMode == EditPosition)
14251 seekGraphUp = FALSE;
14252 MarkTargetSquares(1);
14254 if (gameMode == PlayFromGameFile && !pausing)
14257 if (gameMode == IcsExamining && pausing)
14258 limit = pauseExamForwardMostMove;
14260 limit = forwardMostMove;
14262 if (target > limit) target = limit;
14264 if (target > 0 && moveList[target - 1][0]) {
14265 int fromX, fromY, toX, toY;
14266 toX = moveList[target - 1][2] - AAA;
14267 toY = moveList[target - 1][3] - ONE;
14268 if (moveList[target - 1][1] == '@') {
14269 if (appData.highlightLastMove) {
14270 SetHighlights(-1, -1, toX, toY);
14273 fromX = moveList[target - 1][0] - AAA;
14274 fromY = moveList[target - 1][1] - ONE;
14275 if (target == currentMove + 1) {
14276 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14278 if (appData.highlightLastMove) {
14279 SetHighlights(fromX, fromY, toX, toY);
14283 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14284 gameMode == Training || gameMode == PlayFromGameFile ||
14285 gameMode == AnalyzeFile) {
14286 while (currentMove < target) {
14287 SendMoveToProgram(currentMove++, &first);
14290 currentMove = target;
14293 if (gameMode == EditGame || gameMode == EndOfGame) {
14294 whiteTimeRemaining = timeRemaining[0][currentMove];
14295 blackTimeRemaining = timeRemaining[1][currentMove];
14297 DisplayBothClocks();
14298 DisplayMove(currentMove - 1);
14299 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14300 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14301 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14302 DisplayComment(currentMove - 1, commentList[currentMove]);
14310 if (gameMode == IcsExamining && !pausing) {
14311 SendToICS(ics_prefix);
14312 SendToICS("forward\n");
14314 ForwardInner(currentMove + 1);
14321 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14322 /* to optimze, we temporarily turn off analysis mode while we feed
14323 * the remaining moves to the engine. Otherwise we get analysis output
14326 if (first.analysisSupport) {
14327 SendToProgram("exit\nforce\n", &first);
14328 first.analyzing = FALSE;
14332 if (gameMode == IcsExamining && !pausing) {
14333 SendToICS(ics_prefix);
14334 SendToICS("forward 999999\n");
14336 ForwardInner(forwardMostMove);
14339 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14340 /* we have fed all the moves, so reactivate analysis mode */
14341 SendToProgram("analyze\n", &first);
14342 first.analyzing = TRUE;
14343 /*first.maybeThinking = TRUE;*/
14344 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14349 BackwardInner (int target)
14351 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14353 if (appData.debugMode)
14354 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14355 target, currentMove, forwardMostMove);
14357 if (gameMode == EditPosition) return;
14358 seekGraphUp = FALSE;
14359 MarkTargetSquares(1);
14360 if (currentMove <= backwardMostMove) {
14362 DrawPosition(full_redraw, boards[currentMove]);
14365 if (gameMode == PlayFromGameFile && !pausing)
14368 if (moveList[target][0]) {
14369 int fromX, fromY, toX, toY;
14370 toX = moveList[target][2] - AAA;
14371 toY = moveList[target][3] - ONE;
14372 if (moveList[target][1] == '@') {
14373 if (appData.highlightLastMove) {
14374 SetHighlights(-1, -1, toX, toY);
14377 fromX = moveList[target][0] - AAA;
14378 fromY = moveList[target][1] - ONE;
14379 if (target == currentMove - 1) {
14380 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14382 if (appData.highlightLastMove) {
14383 SetHighlights(fromX, fromY, toX, toY);
14387 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14388 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14389 while (currentMove > target) {
14390 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14391 // null move cannot be undone. Reload program with move history before it.
14393 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14394 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14396 SendBoard(&first, i);
14397 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14400 SendToProgram("undo\n", &first);
14404 currentMove = target;
14407 if (gameMode == EditGame || gameMode == EndOfGame) {
14408 whiteTimeRemaining = timeRemaining[0][currentMove];
14409 blackTimeRemaining = timeRemaining[1][currentMove];
14411 DisplayBothClocks();
14412 DisplayMove(currentMove - 1);
14413 DrawPosition(full_redraw, boards[currentMove]);
14414 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14415 // [HGM] PV info: routine tests if comment empty
14416 DisplayComment(currentMove - 1, commentList[currentMove]);
14422 if (gameMode == IcsExamining && !pausing) {
14423 SendToICS(ics_prefix);
14424 SendToICS("backward\n");
14426 BackwardInner(currentMove - 1);
14433 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14434 /* to optimize, we temporarily turn off analysis mode while we undo
14435 * all the moves. Otherwise we get analysis output after each undo.
14437 if (first.analysisSupport) {
14438 SendToProgram("exit\nforce\n", &first);
14439 first.analyzing = FALSE;
14443 if (gameMode == IcsExamining && !pausing) {
14444 SendToICS(ics_prefix);
14445 SendToICS("backward 999999\n");
14447 BackwardInner(backwardMostMove);
14450 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14451 /* we have fed all the moves, so reactivate analysis mode */
14452 SendToProgram("analyze\n", &first);
14453 first.analyzing = TRUE;
14454 /*first.maybeThinking = TRUE;*/
14455 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14462 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14463 if (to >= forwardMostMove) to = forwardMostMove;
14464 if (to <= backwardMostMove) to = backwardMostMove;
14465 if (to < currentMove) {
14473 RevertEvent (Boolean annotate)
14475 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14478 if (gameMode != IcsExamining) {
14479 DisplayError(_("You are not examining a game"), 0);
14483 DisplayError(_("You can't revert while pausing"), 0);
14486 SendToICS(ics_prefix);
14487 SendToICS("revert\n");
14491 RetractMoveEvent ()
14493 switch (gameMode) {
14494 case MachinePlaysWhite:
14495 case MachinePlaysBlack:
14496 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14497 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14500 if (forwardMostMove < 2) return;
14501 currentMove = forwardMostMove = forwardMostMove - 2;
14502 whiteTimeRemaining = timeRemaining[0][currentMove];
14503 blackTimeRemaining = timeRemaining[1][currentMove];
14504 DisplayBothClocks();
14505 DisplayMove(currentMove - 1);
14506 ClearHighlights();/*!! could figure this out*/
14507 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14508 SendToProgram("remove\n", &first);
14509 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14512 case BeginningOfGame:
14516 case IcsPlayingWhite:
14517 case IcsPlayingBlack:
14518 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14519 SendToICS(ics_prefix);
14520 SendToICS("takeback 2\n");
14522 SendToICS(ics_prefix);
14523 SendToICS("takeback 1\n");
14532 ChessProgramState *cps;
14534 switch (gameMode) {
14535 case MachinePlaysWhite:
14536 if (!WhiteOnMove(forwardMostMove)) {
14537 DisplayError(_("It is your turn"), 0);
14542 case MachinePlaysBlack:
14543 if (WhiteOnMove(forwardMostMove)) {
14544 DisplayError(_("It is your turn"), 0);
14549 case TwoMachinesPlay:
14550 if (WhiteOnMove(forwardMostMove) ==
14551 (first.twoMachinesColor[0] == 'w')) {
14557 case BeginningOfGame:
14561 SendToProgram("?\n", cps);
14565 TruncateGameEvent ()
14568 if (gameMode != EditGame) return;
14575 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14576 if (forwardMostMove > currentMove) {
14577 if (gameInfo.resultDetails != NULL) {
14578 free(gameInfo.resultDetails);
14579 gameInfo.resultDetails = NULL;
14580 gameInfo.result = GameUnfinished;
14582 forwardMostMove = currentMove;
14583 HistorySet(parseList, backwardMostMove, forwardMostMove,
14591 if (appData.noChessProgram) return;
14592 switch (gameMode) {
14593 case MachinePlaysWhite:
14594 if (WhiteOnMove(forwardMostMove)) {
14595 DisplayError(_("Wait until your turn"), 0);
14599 case BeginningOfGame:
14600 case MachinePlaysBlack:
14601 if (!WhiteOnMove(forwardMostMove)) {
14602 DisplayError(_("Wait until your turn"), 0);
14607 DisplayError(_("No hint available"), 0);
14610 SendToProgram("hint\n", &first);
14611 hintRequested = TRUE;
14617 if (appData.noChessProgram) return;
14618 switch (gameMode) {
14619 case MachinePlaysWhite:
14620 if (WhiteOnMove(forwardMostMove)) {
14621 DisplayError(_("Wait until your turn"), 0);
14625 case BeginningOfGame:
14626 case MachinePlaysBlack:
14627 if (!WhiteOnMove(forwardMostMove)) {
14628 DisplayError(_("Wait until your turn"), 0);
14633 EditPositionDone(TRUE);
14635 case TwoMachinesPlay:
14640 SendToProgram("bk\n", &first);
14641 bookOutput[0] = NULLCHAR;
14642 bookRequested = TRUE;
14648 char *tags = PGNTags(&gameInfo);
14649 TagsPopUp(tags, CmailMsg());
14653 /* end button procedures */
14656 PrintPosition (FILE *fp, int move)
14660 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14661 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14662 char c = PieceToChar(boards[move][i][j]);
14663 fputc(c == 'x' ? '.' : c, fp);
14664 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14667 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14668 fprintf(fp, "white to play\n");
14670 fprintf(fp, "black to play\n");
14674 PrintOpponents (FILE *fp)
14676 if (gameInfo.white != NULL) {
14677 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14683 /* Find last component of program's own name, using some heuristics */
14685 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14688 int local = (strcmp(host, "localhost") == 0);
14689 while (!local && (p = strchr(prog, ';')) != NULL) {
14691 while (*p == ' ') p++;
14694 if (*prog == '"' || *prog == '\'') {
14695 q = strchr(prog + 1, *prog);
14697 q = strchr(prog, ' ');
14699 if (q == NULL) q = prog + strlen(prog);
14701 while (p >= prog && *p != '/' && *p != '\\') p--;
14703 if(p == prog && *p == '"') p++;
14705 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14706 memcpy(buf, p, q - p);
14707 buf[q - p] = NULLCHAR;
14715 TimeControlTagValue ()
14718 if (!appData.clockMode) {
14719 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14720 } else if (movesPerSession > 0) {
14721 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14722 } else if (timeIncrement == 0) {
14723 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14725 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14727 return StrSave(buf);
14733 /* This routine is used only for certain modes */
14734 VariantClass v = gameInfo.variant;
14735 ChessMove r = GameUnfinished;
14738 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14739 r = gameInfo.result;
14740 p = gameInfo.resultDetails;
14741 gameInfo.resultDetails = NULL;
14743 ClearGameInfo(&gameInfo);
14744 gameInfo.variant = v;
14746 switch (gameMode) {
14747 case MachinePlaysWhite:
14748 gameInfo.event = StrSave( appData.pgnEventHeader );
14749 gameInfo.site = StrSave(HostName());
14750 gameInfo.date = PGNDate();
14751 gameInfo.round = StrSave("-");
14752 gameInfo.white = StrSave(first.tidy);
14753 gameInfo.black = StrSave(UserName());
14754 gameInfo.timeControl = TimeControlTagValue();
14757 case MachinePlaysBlack:
14758 gameInfo.event = StrSave( appData.pgnEventHeader );
14759 gameInfo.site = StrSave(HostName());
14760 gameInfo.date = PGNDate();
14761 gameInfo.round = StrSave("-");
14762 gameInfo.white = StrSave(UserName());
14763 gameInfo.black = StrSave(first.tidy);
14764 gameInfo.timeControl = TimeControlTagValue();
14767 case TwoMachinesPlay:
14768 gameInfo.event = StrSave( appData.pgnEventHeader );
14769 gameInfo.site = StrSave(HostName());
14770 gameInfo.date = PGNDate();
14773 snprintf(buf, MSG_SIZ, "%d", roundNr);
14774 gameInfo.round = StrSave(buf);
14776 gameInfo.round = StrSave("-");
14778 if (first.twoMachinesColor[0] == 'w') {
14779 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14780 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14782 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14783 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14785 gameInfo.timeControl = TimeControlTagValue();
14789 gameInfo.event = StrSave("Edited game");
14790 gameInfo.site = StrSave(HostName());
14791 gameInfo.date = PGNDate();
14792 gameInfo.round = StrSave("-");
14793 gameInfo.white = StrSave("-");
14794 gameInfo.black = StrSave("-");
14795 gameInfo.result = r;
14796 gameInfo.resultDetails = p;
14800 gameInfo.event = StrSave("Edited position");
14801 gameInfo.site = StrSave(HostName());
14802 gameInfo.date = PGNDate();
14803 gameInfo.round = StrSave("-");
14804 gameInfo.white = StrSave("-");
14805 gameInfo.black = StrSave("-");
14808 case IcsPlayingWhite:
14809 case IcsPlayingBlack:
14814 case PlayFromGameFile:
14815 gameInfo.event = StrSave("Game from non-PGN file");
14816 gameInfo.site = StrSave(HostName());
14817 gameInfo.date = PGNDate();
14818 gameInfo.round = StrSave("-");
14819 gameInfo.white = StrSave("?");
14820 gameInfo.black = StrSave("?");
14829 ReplaceComment (int index, char *text)
14835 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14836 pvInfoList[index-1].depth == len &&
14837 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14838 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14839 while (*text == '\n') text++;
14840 len = strlen(text);
14841 while (len > 0 && text[len - 1] == '\n') len--;
14843 if (commentList[index] != NULL)
14844 free(commentList[index]);
14847 commentList[index] = NULL;
14850 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14851 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14852 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14853 commentList[index] = (char *) malloc(len + 2);
14854 strncpy(commentList[index], text, len);
14855 commentList[index][len] = '\n';
14856 commentList[index][len + 1] = NULLCHAR;
14858 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14860 commentList[index] = (char *) malloc(len + 7);
14861 safeStrCpy(commentList[index], "{\n", 3);
14862 safeStrCpy(commentList[index]+2, text, len+1);
14863 commentList[index][len+2] = NULLCHAR;
14864 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14865 strcat(commentList[index], "\n}\n");
14870 CrushCRs (char *text)
14878 if (ch == '\r') continue;
14880 } while (ch != '\0');
14884 AppendComment (int index, char *text, Boolean addBraces)
14885 /* addBraces tells if we should add {} */
14890 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14891 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14894 while (*text == '\n') text++;
14895 len = strlen(text);
14896 while (len > 0 && text[len - 1] == '\n') len--;
14897 text[len] = NULLCHAR;
14899 if (len == 0) return;
14901 if (commentList[index] != NULL) {
14902 Boolean addClosingBrace = addBraces;
14903 old = commentList[index];
14904 oldlen = strlen(old);
14905 while(commentList[index][oldlen-1] == '\n')
14906 commentList[index][--oldlen] = NULLCHAR;
14907 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14908 safeStrCpy(commentList[index], old, oldlen + len + 6);
14910 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14911 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14912 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14913 while (*text == '\n') { text++; len--; }
14914 commentList[index][--oldlen] = NULLCHAR;
14916 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14917 else strcat(commentList[index], "\n");
14918 strcat(commentList[index], text);
14919 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14920 else strcat(commentList[index], "\n");
14922 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14924 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14925 else commentList[index][0] = NULLCHAR;
14926 strcat(commentList[index], text);
14927 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14928 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14933 FindStr (char * text, char * sub_text)
14935 char * result = strstr( text, sub_text );
14937 if( result != NULL ) {
14938 result += strlen( sub_text );
14944 /* [AS] Try to extract PV info from PGN comment */
14945 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14947 GetInfoFromComment (int index, char * text)
14949 char * sep = text, *p;
14951 if( text != NULL && index > 0 ) {
14954 int time = -1, sec = 0, deci;
14955 char * s_eval = FindStr( text, "[%eval " );
14956 char * s_emt = FindStr( text, "[%emt " );
14958 if( s_eval != NULL || s_emt != NULL ) {
14962 if( s_eval != NULL ) {
14963 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14967 if( delim != ']' ) {
14972 if( s_emt != NULL ) {
14977 /* We expect something like: [+|-]nnn.nn/dd */
14980 if(*text != '{') return text; // [HGM] braces: must be normal comment
14982 sep = strchr( text, '/' );
14983 if( sep == NULL || sep < (text+4) ) {
14988 if(p[1] == '(') { // comment starts with PV
14989 p = strchr(p, ')'); // locate end of PV
14990 if(p == NULL || sep < p+5) return text;
14991 // at this point we have something like "{(.*) +0.23/6 ..."
14992 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14993 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14994 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14996 time = -1; sec = -1; deci = -1;
14997 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14998 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14999 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15000 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15004 if( score_lo < 0 || score_lo >= 100 ) {
15008 if(sec >= 0) time = 600*time + 10*sec; else
15009 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15011 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15013 /* [HGM] PV time: now locate end of PV info */
15014 while( *++sep >= '0' && *sep <= '9'); // strip depth
15016 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15018 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15020 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15021 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15032 pvInfoList[index-1].depth = depth;
15033 pvInfoList[index-1].score = score;
15034 pvInfoList[index-1].time = 10*time; // centi-sec
15035 if(*sep == '}') *sep = 0; else *--sep = '{';
15036 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15042 SendToProgram (char *message, ChessProgramState *cps)
15044 int count, outCount, error;
15047 if (cps->pr == NoProc) return;
15050 if (appData.debugMode) {
15053 fprintf(debugFP, "%ld >%-6s: %s",
15054 SubtractTimeMarks(&now, &programStartTime),
15055 cps->which, message);
15057 fprintf(serverFP, "%ld >%-6s: %s",
15058 SubtractTimeMarks(&now, &programStartTime),
15059 cps->which, message), fflush(serverFP);
15062 count = strlen(message);
15063 outCount = OutputToProcess(cps->pr, message, count, &error);
15064 if (outCount < count && !exiting
15065 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15066 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15067 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15068 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15069 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15070 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15071 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15072 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15074 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15075 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15076 gameInfo.result = res;
15078 gameInfo.resultDetails = StrSave(buf);
15080 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15081 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15086 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15090 ChessProgramState *cps = (ChessProgramState *)closure;
15092 if (isr != cps->isr) return; /* Killed intentionally */
15095 RemoveInputSource(cps->isr);
15096 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15097 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15098 _(cps->which), cps->program);
15099 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15100 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15101 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15102 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15103 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15105 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15106 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15107 gameInfo.result = res;
15109 gameInfo.resultDetails = StrSave(buf);
15111 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15112 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15114 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15115 _(cps->which), cps->program);
15116 RemoveInputSource(cps->isr);
15118 /* [AS] Program is misbehaving badly... kill it */
15119 if( count == -2 ) {
15120 DestroyChildProcess( cps->pr, 9 );
15124 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15129 if ((end_str = strchr(message, '\r')) != NULL)
15130 *end_str = NULLCHAR;
15131 if ((end_str = strchr(message, '\n')) != NULL)
15132 *end_str = NULLCHAR;
15134 if (appData.debugMode) {
15135 TimeMark now; int print = 1;
15136 char *quote = ""; char c; int i;
15138 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15139 char start = message[0];
15140 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15141 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15142 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15143 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15144 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15145 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15146 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15147 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15148 sscanf(message, "hint: %c", &c)!=1 &&
15149 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15150 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15151 print = (appData.engineComments >= 2);
15153 message[0] = start; // restore original message
15157 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15158 SubtractTimeMarks(&now, &programStartTime), cps->which,
15162 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15163 SubtractTimeMarks(&now, &programStartTime), cps->which,
15165 message), fflush(serverFP);
15169 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15170 if (appData.icsEngineAnalyze) {
15171 if (strstr(message, "whisper") != NULL ||
15172 strstr(message, "kibitz") != NULL ||
15173 strstr(message, "tellics") != NULL) return;
15176 HandleMachineMove(message, cps);
15181 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15186 if( timeControl_2 > 0 ) {
15187 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15188 tc = timeControl_2;
15191 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15192 inc /= cps->timeOdds;
15193 st /= cps->timeOdds;
15195 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15198 /* Set exact time per move, normally using st command */
15199 if (cps->stKludge) {
15200 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15202 if (seconds == 0) {
15203 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15205 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15208 snprintf(buf, MSG_SIZ, "st %d\n", st);
15211 /* Set conventional or incremental time control, using level command */
15212 if (seconds == 0) {
15213 /* Note old gnuchess bug -- minutes:seconds used to not work.
15214 Fixed in later versions, but still avoid :seconds
15215 when seconds is 0. */
15216 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15218 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15219 seconds, inc/1000.);
15222 SendToProgram(buf, cps);
15224 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15225 /* Orthogonally, limit search to given depth */
15227 if (cps->sdKludge) {
15228 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15230 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15232 SendToProgram(buf, cps);
15235 if(cps->nps >= 0) { /* [HGM] nps */
15236 if(cps->supportsNPS == FALSE)
15237 cps->nps = -1; // don't use if engine explicitly says not supported!
15239 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15240 SendToProgram(buf, cps);
15245 ChessProgramState *
15247 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15249 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15250 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15256 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15258 char message[MSG_SIZ];
15261 /* Note: this routine must be called when the clocks are stopped
15262 or when they have *just* been set or switched; otherwise
15263 it will be off by the time since the current tick started.
15265 if (machineWhite) {
15266 time = whiteTimeRemaining / 10;
15267 otime = blackTimeRemaining / 10;
15269 time = blackTimeRemaining / 10;
15270 otime = whiteTimeRemaining / 10;
15272 /* [HGM] translate opponent's time by time-odds factor */
15273 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15275 if (time <= 0) time = 1;
15276 if (otime <= 0) otime = 1;
15278 snprintf(message, MSG_SIZ, "time %ld\n", time);
15279 SendToProgram(message, cps);
15281 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15282 SendToProgram(message, cps);
15286 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15289 int len = strlen(name);
15292 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15294 sscanf(*p, "%d", &val);
15296 while (**p && **p != ' ')
15298 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15299 SendToProgram(buf, cps);
15306 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15309 int len = strlen(name);
15310 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15312 sscanf(*p, "%d", loc);
15313 while (**p && **p != ' ') (*p)++;
15314 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15315 SendToProgram(buf, cps);
15322 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15325 int len = strlen(name);
15326 if (strncmp((*p), name, len) == 0
15327 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15329 sscanf(*p, "%[^\"]", loc);
15330 while (**p && **p != '\"') (*p)++;
15331 if (**p == '\"') (*p)++;
15332 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15333 SendToProgram(buf, cps);
15340 ParseOption (Option *opt, ChessProgramState *cps)
15341 // [HGM] options: process the string that defines an engine option, and determine
15342 // name, type, default value, and allowed value range
15344 char *p, *q, buf[MSG_SIZ];
15345 int n, min = (-1)<<31, max = 1<<31, def;
15347 if(p = strstr(opt->name, " -spin ")) {
15348 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15349 if(max < min) max = min; // enforce consistency
15350 if(def < min) def = min;
15351 if(def > max) def = max;
15356 } else if((p = strstr(opt->name, " -slider "))) {
15357 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15358 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15359 if(max < min) max = min; // enforce consistency
15360 if(def < min) def = min;
15361 if(def > max) def = max;
15365 opt->type = Spin; // Slider;
15366 } else if((p = strstr(opt->name, " -string "))) {
15367 opt->textValue = p+9;
15368 opt->type = TextBox;
15369 } else if((p = strstr(opt->name, " -file "))) {
15370 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15371 opt->textValue = p+7;
15372 opt->type = FileName; // FileName;
15373 } else if((p = strstr(opt->name, " -path "))) {
15374 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15375 opt->textValue = p+7;
15376 opt->type = PathName; // PathName;
15377 } else if(p = strstr(opt->name, " -check ")) {
15378 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15379 opt->value = (def != 0);
15380 opt->type = CheckBox;
15381 } else if(p = strstr(opt->name, " -combo ")) {
15382 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15383 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15384 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15385 opt->value = n = 0;
15386 while(q = StrStr(q, " /// ")) {
15387 n++; *q = 0; // count choices, and null-terminate each of them
15389 if(*q == '*') { // remember default, which is marked with * prefix
15393 cps->comboList[cps->comboCnt++] = q;
15395 cps->comboList[cps->comboCnt++] = NULL;
15397 opt->type = ComboBox;
15398 } else if(p = strstr(opt->name, " -button")) {
15399 opt->type = Button;
15400 } else if(p = strstr(opt->name, " -save")) {
15401 opt->type = SaveButton;
15402 } else return FALSE;
15403 *p = 0; // terminate option name
15404 // now look if the command-line options define a setting for this engine option.
15405 if(cps->optionSettings && cps->optionSettings[0])
15406 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15407 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15408 snprintf(buf, MSG_SIZ, "option %s", p);
15409 if(p = strstr(buf, ",")) *p = 0;
15410 if(q = strchr(buf, '=')) switch(opt->type) {
15412 for(n=0; n<opt->max; n++)
15413 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15416 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15420 opt->value = atoi(q+1);
15425 SendToProgram(buf, cps);
15431 FeatureDone (ChessProgramState *cps, int val)
15433 DelayedEventCallback cb = GetDelayedEvent();
15434 if ((cb == InitBackEnd3 && cps == &first) ||
15435 (cb == SettingsMenuIfReady && cps == &second) ||
15436 (cb == LoadEngine) ||
15437 (cb == TwoMachinesEventIfReady)) {
15438 CancelDelayedEvent();
15439 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15441 cps->initDone = val;
15444 /* Parse feature command from engine */
15446 ParseFeatures (char *args, ChessProgramState *cps)
15454 while (*p == ' ') p++;
15455 if (*p == NULLCHAR) return;
15457 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15458 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15459 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15460 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15461 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15462 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15463 if (BoolFeature(&p, "reuse", &val, cps)) {
15464 /* Engine can disable reuse, but can't enable it if user said no */
15465 if (!val) cps->reuse = FALSE;
15468 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15469 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15470 if (gameMode == TwoMachinesPlay) {
15471 DisplayTwoMachinesTitle();
15477 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15478 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15479 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15480 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15481 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15482 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15483 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15484 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15485 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15486 if (IntFeature(&p, "done", &val, cps)) {
15487 FeatureDone(cps, val);
15490 /* Added by Tord: */
15491 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15492 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15493 /* End of additions by Tord */
15495 /* [HGM] added features: */
15496 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15497 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15498 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15499 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15500 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15501 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15502 if (StringFeature(&p, "option", cps->option[cps->nrOptions].name, cps)) {
15503 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15504 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15505 SendToProgram(buf, cps);
15508 if(cps->nrOptions >= MAX_OPTIONS) {
15510 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15511 DisplayError(buf, 0);
15515 /* End of additions by HGM */
15517 /* unknown feature: complain and skip */
15519 while (*q && *q != '=') q++;
15520 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15521 SendToProgram(buf, cps);
15527 while (*p && *p != '\"') p++;
15528 if (*p == '\"') p++;
15530 while (*p && *p != ' ') p++;
15538 PeriodicUpdatesEvent (int newState)
15540 if (newState == appData.periodicUpdates)
15543 appData.periodicUpdates=newState;
15545 /* Display type changes, so update it now */
15546 // DisplayAnalysis();
15548 /* Get the ball rolling again... */
15550 AnalysisPeriodicEvent(1);
15551 StartAnalysisClock();
15556 PonderNextMoveEvent (int newState)
15558 if (newState == appData.ponderNextMove) return;
15559 if (gameMode == EditPosition) EditPositionDone(TRUE);
15561 SendToProgram("hard\n", &first);
15562 if (gameMode == TwoMachinesPlay) {
15563 SendToProgram("hard\n", &second);
15566 SendToProgram("easy\n", &first);
15567 thinkOutput[0] = NULLCHAR;
15568 if (gameMode == TwoMachinesPlay) {
15569 SendToProgram("easy\n", &second);
15572 appData.ponderNextMove = newState;
15576 NewSettingEvent (int option, int *feature, char *command, int value)
15580 if (gameMode == EditPosition) EditPositionDone(TRUE);
15581 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15582 if(feature == NULL || *feature) SendToProgram(buf, &first);
15583 if (gameMode == TwoMachinesPlay) {
15584 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15589 ShowThinkingEvent ()
15590 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15592 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15593 int newState = appData.showThinking
15594 // [HGM] thinking: other features now need thinking output as well
15595 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15597 if (oldState == newState) return;
15598 oldState = newState;
15599 if (gameMode == EditPosition) EditPositionDone(TRUE);
15601 SendToProgram("post\n", &first);
15602 if (gameMode == TwoMachinesPlay) {
15603 SendToProgram("post\n", &second);
15606 SendToProgram("nopost\n", &first);
15607 thinkOutput[0] = NULLCHAR;
15608 if (gameMode == TwoMachinesPlay) {
15609 SendToProgram("nopost\n", &second);
15612 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15616 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15618 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15619 if (pr == NoProc) return;
15620 AskQuestion(title, question, replyPrefix, pr);
15624 TypeInEvent (char firstChar)
15626 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15627 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15628 gameMode == AnalyzeMode || gameMode == EditGame ||
15629 gameMode == EditPosition || gameMode == IcsExamining ||
15630 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15631 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15632 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15633 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15634 gameMode == Training) PopUpMoveDialog(firstChar);
15638 TypeInDoneEvent (char *move)
15641 int n, fromX, fromY, toX, toY;
15643 ChessMove moveType;
15646 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15647 EditPositionPasteFEN(move);
15650 // [HGM] movenum: allow move number to be typed in any mode
15651 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15655 // undocumented kludge: allow command-line option to be typed in!
15656 // (potentially fatal, and does not implement the effect of the option.)
15657 // should only be used for options that are values on which future decisions will be made,
15658 // and definitely not on options that would be used during initialization.
15659 if(strstr(move, "!!! -") == move) {
15660 ParseArgsFromString(move+4);
15664 if (gameMode != EditGame && currentMove != forwardMostMove &&
15665 gameMode != Training) {
15666 DisplayMoveError(_("Displayed move is not current"));
15668 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15669 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15670 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15671 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15672 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15673 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15675 DisplayMoveError(_("Could not parse move"));
15681 DisplayMove (int moveNumber)
15683 char message[MSG_SIZ];
15685 char cpThinkOutput[MSG_SIZ];
15687 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15689 if (moveNumber == forwardMostMove - 1 ||
15690 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15692 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15694 if (strchr(cpThinkOutput, '\n')) {
15695 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15698 *cpThinkOutput = NULLCHAR;
15701 /* [AS] Hide thinking from human user */
15702 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15703 *cpThinkOutput = NULLCHAR;
15704 if( thinkOutput[0] != NULLCHAR ) {
15707 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15708 cpThinkOutput[i] = '.';
15710 cpThinkOutput[i] = NULLCHAR;
15711 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15715 if (moveNumber == forwardMostMove - 1 &&
15716 gameInfo.resultDetails != NULL) {
15717 if (gameInfo.resultDetails[0] == NULLCHAR) {
15718 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15720 snprintf(res, MSG_SIZ, " {%s} %s",
15721 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15727 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15728 DisplayMessage(res, cpThinkOutput);
15730 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15731 WhiteOnMove(moveNumber) ? " " : ".. ",
15732 parseList[moveNumber], res);
15733 DisplayMessage(message, cpThinkOutput);
15738 DisplayComment (int moveNumber, char *text)
15740 char title[MSG_SIZ];
15742 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15743 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15745 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15746 WhiteOnMove(moveNumber) ? " " : ".. ",
15747 parseList[moveNumber]);
15749 if (text != NULL && (appData.autoDisplayComment || commentUp))
15750 CommentPopUp(title, text);
15753 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15754 * might be busy thinking or pondering. It can be omitted if your
15755 * gnuchess is configured to stop thinking immediately on any user
15756 * input. However, that gnuchess feature depends on the FIONREAD
15757 * ioctl, which does not work properly on some flavors of Unix.
15760 Attention (ChessProgramState *cps)
15763 if (!cps->useSigint) return;
15764 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15765 switch (gameMode) {
15766 case MachinePlaysWhite:
15767 case MachinePlaysBlack:
15768 case TwoMachinesPlay:
15769 case IcsPlayingWhite:
15770 case IcsPlayingBlack:
15773 /* Skip if we know it isn't thinking */
15774 if (!cps->maybeThinking) return;
15775 if (appData.debugMode)
15776 fprintf(debugFP, "Interrupting %s\n", cps->which);
15777 InterruptChildProcess(cps->pr);
15778 cps->maybeThinking = FALSE;
15783 #endif /*ATTENTION*/
15789 if (whiteTimeRemaining <= 0) {
15792 if (appData.icsActive) {
15793 if (appData.autoCallFlag &&
15794 gameMode == IcsPlayingBlack && !blackFlag) {
15795 SendToICS(ics_prefix);
15796 SendToICS("flag\n");
15800 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15802 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15803 if (appData.autoCallFlag) {
15804 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15811 if (blackTimeRemaining <= 0) {
15814 if (appData.icsActive) {
15815 if (appData.autoCallFlag &&
15816 gameMode == IcsPlayingWhite && !whiteFlag) {
15817 SendToICS(ics_prefix);
15818 SendToICS("flag\n");
15822 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15824 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15825 if (appData.autoCallFlag) {
15826 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15837 CheckTimeControl ()
15839 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15840 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15843 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15845 if ( !WhiteOnMove(forwardMostMove) ) {
15846 /* White made time control */
15847 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15848 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15849 /* [HGM] time odds: correct new time quota for time odds! */
15850 / WhitePlayer()->timeOdds;
15851 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15853 lastBlack -= blackTimeRemaining;
15854 /* Black made time control */
15855 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15856 / WhitePlayer()->other->timeOdds;
15857 lastWhite = whiteTimeRemaining;
15862 DisplayBothClocks ()
15864 int wom = gameMode == EditPosition ?
15865 !blackPlaysFirst : WhiteOnMove(currentMove);
15866 DisplayWhiteClock(whiteTimeRemaining, wom);
15867 DisplayBlackClock(blackTimeRemaining, !wom);
15871 /* Timekeeping seems to be a portability nightmare. I think everyone
15872 has ftime(), but I'm really not sure, so I'm including some ifdefs
15873 to use other calls if you don't. Clocks will be less accurate if
15874 you have neither ftime nor gettimeofday.
15877 /* VS 2008 requires the #include outside of the function */
15878 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15879 #include <sys/timeb.h>
15882 /* Get the current time as a TimeMark */
15884 GetTimeMark (TimeMark *tm)
15886 #if HAVE_GETTIMEOFDAY
15888 struct timeval timeVal;
15889 struct timezone timeZone;
15891 gettimeofday(&timeVal, &timeZone);
15892 tm->sec = (long) timeVal.tv_sec;
15893 tm->ms = (int) (timeVal.tv_usec / 1000L);
15895 #else /*!HAVE_GETTIMEOFDAY*/
15898 // include <sys/timeb.h> / moved to just above start of function
15899 struct timeb timeB;
15902 tm->sec = (long) timeB.time;
15903 tm->ms = (int) timeB.millitm;
15905 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15906 tm->sec = (long) time(NULL);
15912 /* Return the difference in milliseconds between two
15913 time marks. We assume the difference will fit in a long!
15916 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
15918 return 1000L*(tm2->sec - tm1->sec) +
15919 (long) (tm2->ms - tm1->ms);
15924 * Code to manage the game clocks.
15926 * In tournament play, black starts the clock and then white makes a move.
15927 * We give the human user a slight advantage if he is playing white---the
15928 * clocks don't run until he makes his first move, so it takes zero time.
15929 * Also, we don't account for network lag, so we could get out of sync
15930 * with GNU Chess's clock -- but then, referees are always right.
15933 static TimeMark tickStartTM;
15934 static long intendedTickLength;
15937 NextTickLength (long timeRemaining)
15939 long nominalTickLength, nextTickLength;
15941 if (timeRemaining > 0L && timeRemaining <= 10000L)
15942 nominalTickLength = 100L;
15944 nominalTickLength = 1000L;
15945 nextTickLength = timeRemaining % nominalTickLength;
15946 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15948 return nextTickLength;
15951 /* Adjust clock one minute up or down */
15953 AdjustClock (Boolean which, int dir)
15955 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15956 if(which) blackTimeRemaining += 60000*dir;
15957 else whiteTimeRemaining += 60000*dir;
15958 DisplayBothClocks();
15959 adjustedClock = TRUE;
15962 /* Stop clocks and reset to a fresh time control */
15966 (void) StopClockTimer();
15967 if (appData.icsActive) {
15968 whiteTimeRemaining = blackTimeRemaining = 0;
15969 } else if (searchTime) {
15970 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15971 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15972 } else { /* [HGM] correct new time quote for time odds */
15973 whiteTC = blackTC = fullTimeControlString;
15974 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15975 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15977 if (whiteFlag || blackFlag) {
15979 whiteFlag = blackFlag = FALSE;
15981 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15982 DisplayBothClocks();
15983 adjustedClock = FALSE;
15986 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15988 /* Decrement running clock by amount of time that has passed */
15992 long timeRemaining;
15993 long lastTickLength, fudge;
15996 if (!appData.clockMode) return;
15997 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16001 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16003 /* Fudge if we woke up a little too soon */
16004 fudge = intendedTickLength - lastTickLength;
16005 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16007 if (WhiteOnMove(forwardMostMove)) {
16008 if(whiteNPS >= 0) lastTickLength = 0;
16009 timeRemaining = whiteTimeRemaining -= lastTickLength;
16010 if(timeRemaining < 0 && !appData.icsActive) {
16011 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16012 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16013 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16014 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16017 DisplayWhiteClock(whiteTimeRemaining - fudge,
16018 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16020 if(blackNPS >= 0) lastTickLength = 0;
16021 timeRemaining = blackTimeRemaining -= lastTickLength;
16022 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16023 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16025 blackStartMove = forwardMostMove;
16026 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16029 DisplayBlackClock(blackTimeRemaining - fudge,
16030 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16032 if (CheckFlags()) return;
16035 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16036 StartClockTimer(intendedTickLength);
16038 /* if the time remaining has fallen below the alarm threshold, sound the
16039 * alarm. if the alarm has sounded and (due to a takeback or time control
16040 * with increment) the time remaining has increased to a level above the
16041 * threshold, reset the alarm so it can sound again.
16044 if (appData.icsActive && appData.icsAlarm) {
16046 /* make sure we are dealing with the user's clock */
16047 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16048 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16051 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16052 alarmSounded = FALSE;
16053 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16055 alarmSounded = TRUE;
16061 /* A player has just moved, so stop the previously running
16062 clock and (if in clock mode) start the other one.
16063 We redisplay both clocks in case we're in ICS mode, because
16064 ICS gives us an update to both clocks after every move.
16065 Note that this routine is called *after* forwardMostMove
16066 is updated, so the last fractional tick must be subtracted
16067 from the color that is *not* on move now.
16070 SwitchClocks (int newMoveNr)
16072 long lastTickLength;
16074 int flagged = FALSE;
16078 if (StopClockTimer() && appData.clockMode) {
16079 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16080 if (!WhiteOnMove(forwardMostMove)) {
16081 if(blackNPS >= 0) lastTickLength = 0;
16082 blackTimeRemaining -= lastTickLength;
16083 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16084 // if(pvInfoList[forwardMostMove].time == -1)
16085 pvInfoList[forwardMostMove].time = // use GUI time
16086 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16088 if(whiteNPS >= 0) lastTickLength = 0;
16089 whiteTimeRemaining -= lastTickLength;
16090 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16091 // if(pvInfoList[forwardMostMove].time == -1)
16092 pvInfoList[forwardMostMove].time =
16093 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16095 flagged = CheckFlags();
16097 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16098 CheckTimeControl();
16100 if (flagged || !appData.clockMode) return;
16102 switch (gameMode) {
16103 case MachinePlaysBlack:
16104 case MachinePlaysWhite:
16105 case BeginningOfGame:
16106 if (pausing) return;
16110 case PlayFromGameFile:
16118 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16119 if(WhiteOnMove(forwardMostMove))
16120 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16121 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16125 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16126 whiteTimeRemaining : blackTimeRemaining);
16127 StartClockTimer(intendedTickLength);
16131 /* Stop both clocks */
16135 long lastTickLength;
16138 if (!StopClockTimer()) return;
16139 if (!appData.clockMode) return;
16143 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16144 if (WhiteOnMove(forwardMostMove)) {
16145 if(whiteNPS >= 0) lastTickLength = 0;
16146 whiteTimeRemaining -= lastTickLength;
16147 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16149 if(blackNPS >= 0) lastTickLength = 0;
16150 blackTimeRemaining -= lastTickLength;
16151 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16156 /* Start clock of player on move. Time may have been reset, so
16157 if clock is already running, stop and restart it. */
16161 (void) StopClockTimer(); /* in case it was running already */
16162 DisplayBothClocks();
16163 if (CheckFlags()) return;
16165 if (!appData.clockMode) return;
16166 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16168 GetTimeMark(&tickStartTM);
16169 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16170 whiteTimeRemaining : blackTimeRemaining);
16172 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16173 whiteNPS = blackNPS = -1;
16174 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16175 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16176 whiteNPS = first.nps;
16177 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16178 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16179 blackNPS = first.nps;
16180 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16181 whiteNPS = second.nps;
16182 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16183 blackNPS = second.nps;
16184 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16186 StartClockTimer(intendedTickLength);
16190 TimeString (long ms)
16192 long second, minute, hour, day;
16194 static char buf[32];
16196 if (ms > 0 && ms <= 9900) {
16197 /* convert milliseconds to tenths, rounding up */
16198 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16200 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16204 /* convert milliseconds to seconds, rounding up */
16205 /* use floating point to avoid strangeness of integer division
16206 with negative dividends on many machines */
16207 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16214 day = second / (60 * 60 * 24);
16215 second = second % (60 * 60 * 24);
16216 hour = second / (60 * 60);
16217 second = second % (60 * 60);
16218 minute = second / 60;
16219 second = second % 60;
16222 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16223 sign, day, hour, minute, second);
16225 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16227 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16234 * This is necessary because some C libraries aren't ANSI C compliant yet.
16237 StrStr (char *string, char *match)
16241 length = strlen(match);
16243 for (i = strlen(string) - length; i >= 0; i--, string++)
16244 if (!strncmp(match, string, length))
16251 StrCaseStr (char *string, char *match)
16255 length = strlen(match);
16257 for (i = strlen(string) - length; i >= 0; i--, string++) {
16258 for (j = 0; j < length; j++) {
16259 if (ToLower(match[j]) != ToLower(string[j]))
16262 if (j == length) return string;
16270 StrCaseCmp (char *s1, char *s2)
16275 c1 = ToLower(*s1++);
16276 c2 = ToLower(*s2++);
16277 if (c1 > c2) return 1;
16278 if (c1 < c2) return -1;
16279 if (c1 == NULLCHAR) return 0;
16287 return isupper(c) ? tolower(c) : c;
16294 return islower(c) ? toupper(c) : c;
16296 #endif /* !_amigados */
16303 if ((ret = (char *) malloc(strlen(s) + 1)))
16305 safeStrCpy(ret, s, strlen(s)+1);
16311 StrSavePtr (char *s, char **savePtr)
16316 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16317 safeStrCpy(*savePtr, s, strlen(s)+1);
16329 clock = time((time_t *)NULL);
16330 tm = localtime(&clock);
16331 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16332 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16333 return StrSave(buf);
16338 PositionToFEN (int move, char *overrideCastling)
16340 int i, j, fromX, fromY, toX, toY;
16347 whiteToPlay = (gameMode == EditPosition) ?
16348 !blackPlaysFirst : (move % 2 == 0);
16351 /* Piece placement data */
16352 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16353 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16355 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16356 if (boards[move][i][j] == EmptySquare) {
16358 } else { ChessSquare piece = boards[move][i][j];
16359 if (emptycount > 0) {
16360 if(emptycount<10) /* [HGM] can be >= 10 */
16361 *p++ = '0' + emptycount;
16362 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16365 if(PieceToChar(piece) == '+') {
16366 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16368 piece = (ChessSquare)(DEMOTED piece);
16370 *p++ = PieceToChar(piece);
16372 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16373 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16378 if (emptycount > 0) {
16379 if(emptycount<10) /* [HGM] can be >= 10 */
16380 *p++ = '0' + emptycount;
16381 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16388 /* [HGM] print Crazyhouse or Shogi holdings */
16389 if( gameInfo.holdingsWidth ) {
16390 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16392 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16393 piece = boards[move][i][BOARD_WIDTH-1];
16394 if( piece != EmptySquare )
16395 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16396 *p++ = PieceToChar(piece);
16398 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16399 piece = boards[move][BOARD_HEIGHT-i-1][0];
16400 if( piece != EmptySquare )
16401 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16402 *p++ = PieceToChar(piece);
16405 if( q == p ) *p++ = '-';
16411 *p++ = whiteToPlay ? 'w' : 'b';
16414 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16415 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16417 if(nrCastlingRights) {
16419 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16420 /* [HGM] write directly from rights */
16421 if(boards[move][CASTLING][2] != NoRights &&
16422 boards[move][CASTLING][0] != NoRights )
16423 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16424 if(boards[move][CASTLING][2] != NoRights &&
16425 boards[move][CASTLING][1] != NoRights )
16426 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16427 if(boards[move][CASTLING][5] != NoRights &&
16428 boards[move][CASTLING][3] != NoRights )
16429 *p++ = boards[move][CASTLING][3] + AAA;
16430 if(boards[move][CASTLING][5] != NoRights &&
16431 boards[move][CASTLING][4] != NoRights )
16432 *p++ = boards[move][CASTLING][4] + AAA;
16435 /* [HGM] write true castling rights */
16436 if( nrCastlingRights == 6 ) {
16437 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16438 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16439 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16440 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16441 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16442 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16443 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16444 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16447 if (q == p) *p++ = '-'; /* No castling rights */
16451 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16452 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16453 /* En passant target square */
16454 if (move > backwardMostMove) {
16455 fromX = moveList[move - 1][0] - AAA;
16456 fromY = moveList[move - 1][1] - ONE;
16457 toX = moveList[move - 1][2] - AAA;
16458 toY = moveList[move - 1][3] - ONE;
16459 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16460 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16461 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16463 /* 2-square pawn move just happened */
16465 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16469 } else if(move == backwardMostMove) {
16470 // [HGM] perhaps we should always do it like this, and forget the above?
16471 if((signed char)boards[move][EP_STATUS] >= 0) {
16472 *p++ = boards[move][EP_STATUS] + AAA;
16473 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16484 /* [HGM] find reversible plies */
16485 { int i = 0, j=move;
16487 if (appData.debugMode) { int k;
16488 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16489 for(k=backwardMostMove; k<=forwardMostMove; k++)
16490 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16494 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16495 if( j == backwardMostMove ) i += initialRulePlies;
16496 sprintf(p, "%d ", i);
16497 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16499 /* Fullmove number */
16500 sprintf(p, "%d", (move / 2) + 1);
16502 return StrSave(buf);
16506 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16515 /* [HGM] by default clear Crazyhouse holdings, if present */
16516 if(gameInfo.holdingsWidth) {
16517 for(i=0; i<BOARD_HEIGHT; i++) {
16518 board[i][0] = EmptySquare; /* black holdings */
16519 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16520 board[i][1] = (ChessSquare) 0; /* black counts */
16521 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16525 /* Piece placement data */
16526 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16529 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16530 if (*p == '/') p++;
16531 emptycount = gameInfo.boardWidth - j;
16532 while (emptycount--)
16533 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16535 #if(BOARD_FILES >= 10)
16536 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16537 p++; emptycount=10;
16538 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16539 while (emptycount--)
16540 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16542 } else if (isdigit(*p)) {
16543 emptycount = *p++ - '0';
16544 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16545 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16546 while (emptycount--)
16547 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16548 } else if (*p == '+' || isalpha(*p)) {
16549 if (j >= gameInfo.boardWidth) return FALSE;
16551 piece = CharToPiece(*++p);
16552 if(piece == EmptySquare) return FALSE; /* unknown piece */
16553 piece = (ChessSquare) (PROMOTED piece ); p++;
16554 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16555 } else piece = CharToPiece(*p++);
16557 if(piece==EmptySquare) return FALSE; /* unknown piece */
16558 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16559 piece = (ChessSquare) (PROMOTED piece);
16560 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16563 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16569 while (*p == '/' || *p == ' ') p++;
16571 /* [HGM] look for Crazyhouse holdings here */
16572 while(*p==' ') p++;
16573 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16575 if(*p == '-' ) p++; /* empty holdings */ else {
16576 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16577 /* if we would allow FEN reading to set board size, we would */
16578 /* have to add holdings and shift the board read so far here */
16579 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16581 if((int) piece >= (int) BlackPawn ) {
16582 i = (int)piece - (int)BlackPawn;
16583 i = PieceToNumber((ChessSquare)i);
16584 if( i >= gameInfo.holdingsSize ) return FALSE;
16585 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16586 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16588 i = (int)piece - (int)WhitePawn;
16589 i = PieceToNumber((ChessSquare)i);
16590 if( i >= gameInfo.holdingsSize ) return FALSE;
16591 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16592 board[i][BOARD_WIDTH-2]++; /* black holdings */
16599 while(*p == ' ') p++;
16603 if(appData.colorNickNames) {
16604 if( c == appData.colorNickNames[0] ) c = 'w'; else
16605 if( c == appData.colorNickNames[1] ) c = 'b';
16609 *blackPlaysFirst = FALSE;
16612 *blackPlaysFirst = TRUE;
16618 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16619 /* return the extra info in global variiables */
16621 /* set defaults in case FEN is incomplete */
16622 board[EP_STATUS] = EP_UNKNOWN;
16623 for(i=0; i<nrCastlingRights; i++ ) {
16624 board[CASTLING][i] =
16625 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16626 } /* assume possible unless obviously impossible */
16627 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16628 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16629 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16630 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16631 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16632 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16633 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16634 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16637 while(*p==' ') p++;
16638 if(nrCastlingRights) {
16639 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16640 /* castling indicator present, so default becomes no castlings */
16641 for(i=0; i<nrCastlingRights; i++ ) {
16642 board[CASTLING][i] = NoRights;
16645 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16646 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16647 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16648 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16649 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16651 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16652 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16653 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16655 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16656 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16657 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16658 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16659 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16660 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16663 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16664 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16665 board[CASTLING][2] = whiteKingFile;
16668 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16669 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16670 board[CASTLING][2] = whiteKingFile;
16673 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16674 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16675 board[CASTLING][5] = blackKingFile;
16678 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16679 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16680 board[CASTLING][5] = blackKingFile;
16683 default: /* FRC castlings */
16684 if(c >= 'a') { /* black rights */
16685 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16686 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16687 if(i == BOARD_RGHT) break;
16688 board[CASTLING][5] = i;
16690 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16691 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16693 board[CASTLING][3] = c;
16695 board[CASTLING][4] = c;
16696 } else { /* white rights */
16697 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16698 if(board[0][i] == WhiteKing) break;
16699 if(i == BOARD_RGHT) break;
16700 board[CASTLING][2] = i;
16701 c -= AAA - 'a' + 'A';
16702 if(board[0][c] >= WhiteKing) break;
16704 board[CASTLING][0] = c;
16706 board[CASTLING][1] = c;
16710 for(i=0; i<nrCastlingRights; i++)
16711 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16712 if (appData.debugMode) {
16713 fprintf(debugFP, "FEN castling rights:");
16714 for(i=0; i<nrCastlingRights; i++)
16715 fprintf(debugFP, " %d", board[CASTLING][i]);
16716 fprintf(debugFP, "\n");
16719 while(*p==' ') p++;
16722 /* read e.p. field in games that know e.p. capture */
16723 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16724 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16726 p++; board[EP_STATUS] = EP_NONE;
16728 char c = *p++ - AAA;
16730 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16731 if(*p >= '0' && *p <='9') p++;
16732 board[EP_STATUS] = c;
16737 if(sscanf(p, "%d", &i) == 1) {
16738 FENrulePlies = i; /* 50-move ply counter */
16739 /* (The move number is still ignored) */
16746 EditPositionPasteFEN (char *fen)
16749 Board initial_position;
16751 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16752 DisplayError(_("Bad FEN position in clipboard"), 0);
16755 int savedBlackPlaysFirst = blackPlaysFirst;
16756 EditPositionEvent();
16757 blackPlaysFirst = savedBlackPlaysFirst;
16758 CopyBoard(boards[0], initial_position);
16759 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16760 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16761 DisplayBothClocks();
16762 DrawPosition(FALSE, boards[currentMove]);
16767 static char cseq[12] = "\\ ";
16770 set_cont_sequence (char *new_seq)
16775 // handle bad attempts to set the sequence
16777 return 0; // acceptable error - no debug
16779 len = strlen(new_seq);
16780 ret = (len > 0) && (len < sizeof(cseq));
16782 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16783 else if (appData.debugMode)
16784 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16789 reformat a source message so words don't cross the width boundary. internal
16790 newlines are not removed. returns the wrapped size (no null character unless
16791 included in source message). If dest is NULL, only calculate the size required
16792 for the dest buffer. lp argument indicats line position upon entry, and it's
16793 passed back upon exit.
16796 wrap (char *dest, char *src, int count, int width, int *lp)
16798 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16800 cseq_len = strlen(cseq);
16801 old_line = line = *lp;
16802 ansi = len = clen = 0;
16804 for (i=0; i < count; i++)
16806 if (src[i] == '\033')
16809 // if we hit the width, back up
16810 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16812 // store i & len in case the word is too long
16813 old_i = i, old_len = len;
16815 // find the end of the last word
16816 while (i && src[i] != ' ' && src[i] != '\n')
16822 // word too long? restore i & len before splitting it
16823 if ((old_i-i+clen) >= width)
16830 if (i && src[i-1] == ' ')
16833 if (src[i] != ' ' && src[i] != '\n')
16840 // now append the newline and continuation sequence
16845 strncpy(dest+len, cseq, cseq_len);
16853 dest[len] = src[i];
16857 if (src[i] == '\n')
16862 if (dest && appData.debugMode)
16864 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16865 count, width, line, len, *lp);
16866 show_bytes(debugFP, src, count);
16867 fprintf(debugFP, "\ndest: ");
16868 show_bytes(debugFP, dest, len);
16869 fprintf(debugFP, "\n");
16871 *lp = dest ? line : old_line;
16876 // [HGM] vari: routines for shelving variations
16877 Boolean modeRestore = FALSE;
16880 PushInner (int firstMove, int lastMove)
16882 int i, j, nrMoves = lastMove - firstMove;
16884 // push current tail of game on stack
16885 savedResult[storedGames] = gameInfo.result;
16886 savedDetails[storedGames] = gameInfo.resultDetails;
16887 gameInfo.resultDetails = NULL;
16888 savedFirst[storedGames] = firstMove;
16889 savedLast [storedGames] = lastMove;
16890 savedFramePtr[storedGames] = framePtr;
16891 framePtr -= nrMoves; // reserve space for the boards
16892 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16893 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16894 for(j=0; j<MOVE_LEN; j++)
16895 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16896 for(j=0; j<2*MOVE_LEN; j++)
16897 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16898 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16899 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16900 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16901 pvInfoList[firstMove+i-1].depth = 0;
16902 commentList[framePtr+i] = commentList[firstMove+i];
16903 commentList[firstMove+i] = NULL;
16907 forwardMostMove = firstMove; // truncate game so we can start variation
16911 PushTail (int firstMove, int lastMove)
16913 if(appData.icsActive) { // only in local mode
16914 forwardMostMove = currentMove; // mimic old ICS behavior
16917 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16919 PushInner(firstMove, lastMove);
16920 if(storedGames == 1) GreyRevert(FALSE);
16921 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16925 PopInner (Boolean annotate)
16928 char buf[8000], moveBuf[20];
16930 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16931 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16932 nrMoves = savedLast[storedGames] - currentMove;
16935 if(!WhiteOnMove(currentMove))
16936 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16937 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16938 for(i=currentMove; i<forwardMostMove; i++) {
16940 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16941 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16942 strcat(buf, moveBuf);
16943 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16944 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16948 for(i=1; i<=nrMoves; i++) { // copy last variation back
16949 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16950 for(j=0; j<MOVE_LEN; j++)
16951 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16952 for(j=0; j<2*MOVE_LEN; j++)
16953 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16954 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16955 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16956 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16957 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16958 commentList[currentMove+i] = commentList[framePtr+i];
16959 commentList[framePtr+i] = NULL;
16961 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16962 framePtr = savedFramePtr[storedGames];
16963 gameInfo.result = savedResult[storedGames];
16964 if(gameInfo.resultDetails != NULL) {
16965 free(gameInfo.resultDetails);
16967 gameInfo.resultDetails = savedDetails[storedGames];
16968 forwardMostMove = currentMove + nrMoves;
16972 PopTail (Boolean annotate)
16974 if(appData.icsActive) return FALSE; // only in local mode
16975 if(!storedGames) return FALSE; // sanity
16976 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16978 PopInner(annotate);
16979 if(currentMove < forwardMostMove) ForwardEvent(); else
16980 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16982 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16988 { // remove all shelved variations
16990 for(i=0; i<storedGames; i++) {
16991 if(savedDetails[i])
16992 free(savedDetails[i]);
16993 savedDetails[i] = NULL;
16995 for(i=framePtr; i<MAX_MOVES; i++) {
16996 if(commentList[i]) free(commentList[i]);
16997 commentList[i] = NULL;
16999 framePtr = MAX_MOVES-1;
17004 LoadVariation (int index, char *text)
17005 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17006 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17007 int level = 0, move;
17009 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17010 // first find outermost bracketing variation
17011 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17012 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17013 if(*p == '{') wait = '}'; else
17014 if(*p == '[') wait = ']'; else
17015 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17016 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17018 if(*p == wait) wait = NULLCHAR; // closing ]} found
17021 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17022 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17023 end[1] = NULLCHAR; // clip off comment beyond variation
17024 ToNrEvent(currentMove-1);
17025 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17026 // kludge: use ParsePV() to append variation to game
17027 move = currentMove;
17028 ParsePV(start, TRUE, TRUE);
17029 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17030 ClearPremoveHighlights();
17032 ToNrEvent(currentMove+1);