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;
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[] = {
742 InitEngine (ChessProgramState *cps, int n)
743 { // [HGM] all engine initialiation put in a function that does one engine
747 cps->which = engineNames[n];
748 cps->maybeThinking = FALSE;
752 cps->sendDrawOffers = 1;
754 cps->program = appData.chessProgram[n];
755 cps->host = appData.host[n];
756 cps->dir = appData.directory[n];
757 cps->initString = appData.engInitString[n];
758 cps->computerString = appData.computerString[n];
759 cps->useSigint = TRUE;
760 cps->useSigterm = TRUE;
761 cps->reuse = appData.reuse[n];
762 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
763 cps->useSetboard = FALSE;
765 cps->usePing = FALSE;
768 cps->usePlayother = FALSE;
769 cps->useColors = TRUE;
770 cps->useUsermove = FALSE;
771 cps->sendICS = FALSE;
772 cps->sendName = appData.icsActive;
773 cps->sdKludge = FALSE;
774 cps->stKludge = FALSE;
775 TidyProgramName(cps->program, cps->host, cps->tidy);
777 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
778 cps->analysisSupport = 2; /* detect */
779 cps->analyzing = FALSE;
780 cps->initDone = FALSE;
782 /* New features added by Tord: */
783 cps->useFEN960 = FALSE;
784 cps->useOOCastle = TRUE;
785 /* End of new features added by Tord. */
786 cps->fenOverride = appData.fenOverride[n];
788 /* [HGM] time odds: set factor for each machine */
789 cps->timeOdds = appData.timeOdds[n];
791 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
792 cps->accumulateTC = appData.accumulateTC[n];
793 cps->maxNrOfSessions = 1;
798 cps->supportsNPS = UNKNOWN;
799 cps->memSize = FALSE;
800 cps->maxCores = FALSE;
801 cps->egtFormats[0] = NULLCHAR;
804 cps->optionSettings = appData.engOptions[n];
806 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
807 cps->isUCI = appData.isUCI[n]; /* [AS] */
808 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
810 if (appData.protocolVersion[n] > PROTOVER
811 || appData.protocolVersion[n] < 1)
816 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
817 appData.protocolVersion[n]);
818 if( (len >= MSG_SIZ) && appData.debugMode )
819 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
821 DisplayFatalError(buf, 0, 2);
825 cps->protocolVersion = appData.protocolVersion[n];
828 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
829 ParseFeatures(appData.featureDefaults, cps);
832 ChessProgramState *savCps;
838 if(WaitForEngine(savCps, LoadEngine)) return;
839 CommonEngineInit(); // recalculate time odds
840 if(gameInfo.variant != StringToVariant(appData.variant)) {
841 // we changed variant when loading the engine; this forces us to reset
842 Reset(TRUE, savCps != &first);
843 EditGameEvent(); // for consistency with other path, as Reset changes mode
845 InitChessProgram(savCps, FALSE);
846 SendToProgram("force\n", savCps);
847 DisplayMessage("", "");
848 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
849 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
855 ReplaceEngine (ChessProgramState *cps, int n)
859 appData.noChessProgram = FALSE;
860 appData.clockMode = TRUE;
863 if(n) return; // only startup first engine immediately; second can wait
864 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
868 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
869 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
871 static char resetOptions[] =
872 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
873 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
874 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
877 FloatToFront(char **list, char *engineLine)
879 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
881 if(appData.recentEngines <= 0) return;
882 TidyProgramName(engineLine, "localhost", tidy+1);
883 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
884 strncpy(buf+1, *list, MSG_SIZ-50);
885 if(p = strstr(buf, tidy)) { // tidy name appears in list
886 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
887 while(*p++ = *++q); // squeeze out
889 strcat(tidy, buf+1); // put list behind tidy name
890 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
891 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
892 ASSIGN(*list, tidy+1);
896 Load (ChessProgramState *cps, int i)
898 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
899 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
900 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
901 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
902 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
903 appData.firstProtocolVersion = PROTOVER;
904 ParseArgsFromString(buf);
906 ReplaceEngine(cps, i);
907 FloatToFront(&appData.recentEngineList, engineLine);
911 while(q = strchr(p, SLASH)) p = q+1;
912 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
913 if(engineDir[0] != NULLCHAR)
914 appData.directory[i] = engineDir;
915 else if(p != engineName) { // derive directory from engine path, when not given
917 appData.directory[i] = strdup(engineName);
919 } else appData.directory[i] = ".";
921 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
922 snprintf(command, MSG_SIZ, "%s %s", p, params);
925 appData.chessProgram[i] = strdup(p);
926 appData.isUCI[i] = isUCI;
927 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
928 appData.hasOwnBookUCI[i] = hasBook;
929 if(!nickName[0]) useNick = FALSE;
930 if(useNick) ASSIGN(appData.pgnName[i], nickName);
934 q = firstChessProgramNames;
935 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
936 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
937 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
938 quote, p, quote, appData.directory[i],
939 useNick ? " -fn \"" : "",
940 useNick ? nickName : "",
942 v1 ? " -firstProtocolVersion 1" : "",
943 hasBook ? "" : " -fNoOwnBookUCI",
944 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
945 storeVariant ? " -variant " : "",
946 storeVariant ? VariantName(gameInfo.variant) : "");
947 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
948 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
950 FloatToFront(&appData.recentEngineList, buf);
952 ReplaceEngine(cps, i);
958 int matched, min, sec;
960 * Parse timeControl resource
962 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
963 appData.movesPerSession)) {
965 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
966 DisplayFatalError(buf, 0, 2);
970 * Parse searchTime resource
972 if (*appData.searchTime != NULLCHAR) {
973 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
975 searchTime = min * 60;
976 } else if (matched == 2) {
977 searchTime = min * 60 + sec;
980 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
981 DisplayFatalError(buf, 0, 2);
990 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
991 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
993 GetTimeMark(&programStartTime);
994 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
995 appData.seedBase = random() + (random()<<15);
996 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
999 programStats.ok_to_send = 1;
1000 programStats.seen_stat = 0;
1003 * Initialize game list
1009 * Internet chess server status
1011 if (appData.icsActive) {
1012 appData.matchMode = FALSE;
1013 appData.matchGames = 0;
1015 appData.noChessProgram = !appData.zippyPlay;
1017 appData.zippyPlay = FALSE;
1018 appData.zippyTalk = FALSE;
1019 appData.noChessProgram = TRUE;
1021 if (*appData.icsHelper != NULLCHAR) {
1022 appData.useTelnet = TRUE;
1023 appData.telnetProgram = appData.icsHelper;
1026 appData.zippyTalk = appData.zippyPlay = FALSE;
1029 /* [AS] Initialize pv info list [HGM] and game state */
1033 for( i=0; i<=framePtr; i++ ) {
1034 pvInfoList[i].depth = -1;
1035 boards[i][EP_STATUS] = EP_NONE;
1036 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1042 /* [AS] Adjudication threshold */
1043 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1045 InitEngine(&first, 0);
1046 InitEngine(&second, 1);
1049 pairing.which = "pairing"; // pairing engine
1050 pairing.pr = NoProc;
1052 pairing.program = appData.pairingEngine;
1053 pairing.host = "localhost";
1056 if (appData.icsActive) {
1057 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1058 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1059 appData.clockMode = FALSE;
1060 first.sendTime = second.sendTime = 0;
1064 /* Override some settings from environment variables, for backward
1065 compatibility. Unfortunately it's not feasible to have the env
1066 vars just set defaults, at least in xboard. Ugh.
1068 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1073 if (!appData.icsActive) {
1077 /* Check for variants that are supported only in ICS mode,
1078 or not at all. Some that are accepted here nevertheless
1079 have bugs; see comments below.
1081 VariantClass variant = StringToVariant(appData.variant);
1083 case VariantBughouse: /* need four players and two boards */
1084 case VariantKriegspiel: /* need to hide pieces and move details */
1085 /* case VariantFischeRandom: (Fabien: moved below) */
1086 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1087 if( (len >= MSG_SIZ) && appData.debugMode )
1088 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1090 DisplayFatalError(buf, 0, 2);
1093 case VariantUnknown:
1094 case VariantLoadable:
1104 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1105 if( (len >= MSG_SIZ) && appData.debugMode )
1106 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1108 DisplayFatalError(buf, 0, 2);
1111 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1112 case VariantFairy: /* [HGM] TestLegality definitely off! */
1113 case VariantGothic: /* [HGM] should work */
1114 case VariantCapablanca: /* [HGM] should work */
1115 case VariantCourier: /* [HGM] initial forced moves not implemented */
1116 case VariantShogi: /* [HGM] could still mate with pawn drop */
1117 case VariantKnightmate: /* [HGM] should work */
1118 case VariantCylinder: /* [HGM] untested */
1119 case VariantFalcon: /* [HGM] untested */
1120 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1121 offboard interposition not understood */
1122 case VariantNormal: /* definitely works! */
1123 case VariantWildCastle: /* pieces not automatically shuffled */
1124 case VariantNoCastle: /* pieces not automatically shuffled */
1125 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1126 case VariantLosers: /* should work except for win condition,
1127 and doesn't know captures are mandatory */
1128 case VariantSuicide: /* should work except for win condition,
1129 and doesn't know captures are mandatory */
1130 case VariantGiveaway: /* should work except for win condition,
1131 and doesn't know captures are mandatory */
1132 case VariantTwoKings: /* should work */
1133 case VariantAtomic: /* should work except for win condition */
1134 case Variant3Check: /* should work except for win condition */
1135 case VariantShatranj: /* should work except for all win conditions */
1136 case VariantMakruk: /* should work except for draw countdown */
1137 case VariantBerolina: /* might work if TestLegality is off */
1138 case VariantCapaRandom: /* should work */
1139 case VariantJanus: /* should work */
1140 case VariantSuper: /* experimental */
1141 case VariantGreat: /* experimental, requires legality testing to be off */
1142 case VariantSChess: /* S-Chess, should work */
1143 case VariantGrand: /* should work */
1144 case VariantSpartan: /* should work */
1152 NextIntegerFromString (char ** str, long * value)
1157 while( *s == ' ' || *s == '\t' ) {
1163 if( *s >= '0' && *s <= '9' ) {
1164 while( *s >= '0' && *s <= '9' ) {
1165 *value = *value * 10 + (*s - '0');
1178 NextTimeControlFromString (char ** str, long * value)
1181 int result = NextIntegerFromString( str, &temp );
1184 *value = temp * 60; /* Minutes */
1185 if( **str == ':' ) {
1187 result = NextIntegerFromString( str, &temp );
1188 *value += temp; /* Seconds */
1196 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1197 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1198 int result = -1, type = 0; long temp, temp2;
1200 if(**str != ':') return -1; // old params remain in force!
1202 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1203 if( NextIntegerFromString( str, &temp ) ) return -1;
1204 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1207 /* time only: incremental or sudden-death time control */
1208 if(**str == '+') { /* increment follows; read it */
1210 if(**str == '!') type = *(*str)++; // Bronstein TC
1211 if(result = NextIntegerFromString( str, &temp2)) return -1;
1212 *inc = temp2 * 1000;
1213 if(**str == '.') { // read fraction of increment
1214 char *start = ++(*str);
1215 if(result = NextIntegerFromString( str, &temp2)) return -1;
1217 while(start++ < *str) temp2 /= 10;
1221 *moves = 0; *tc = temp * 1000; *incType = type;
1225 (*str)++; /* classical time control */
1226 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1238 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1239 { /* [HGM] get time to add from the multi-session time-control string */
1240 int incType, moves=1; /* kludge to force reading of first session */
1241 long time, increment;
1244 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1246 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1247 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1248 if(movenr == -1) return time; /* last move before new session */
1249 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1250 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1251 if(!moves) return increment; /* current session is incremental */
1252 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1253 } while(movenr >= -1); /* try again for next session */
1255 return 0; // no new time quota on this move
1259 ParseTimeControl (char *tc, float ti, int mps)
1263 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1266 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1267 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1268 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1272 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1274 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1277 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1279 snprintf(buf, MSG_SIZ, ":%s", mytc);
1281 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1283 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1288 /* Parse second time control */
1291 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1299 timeControl_2 = tc2 * 1000;
1309 timeControl = tc1 * 1000;
1312 timeIncrement = ti * 1000; /* convert to ms */
1313 movesPerSession = 0;
1316 movesPerSession = mps;
1324 if (appData.debugMode) {
1325 fprintf(debugFP, "%s\n", programVersion);
1327 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1329 set_cont_sequence(appData.wrapContSeq);
1330 if (appData.matchGames > 0) {
1331 appData.matchMode = TRUE;
1332 } else if (appData.matchMode) {
1333 appData.matchGames = 1;
1335 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1336 appData.matchGames = appData.sameColorGames;
1337 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1338 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1339 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1342 if (appData.noChessProgram || first.protocolVersion == 1) {
1345 /* kludge: allow timeout for initial "feature" commands */
1347 DisplayMessage("", _("Starting chess program"));
1348 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1353 CalculateIndex (int index, int gameNr)
1354 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1356 if(index > 0) return index; // fixed nmber
1357 if(index == 0) return 1;
1358 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1359 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1364 LoadGameOrPosition (int gameNr)
1365 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1366 if (*appData.loadGameFile != NULLCHAR) {
1367 if (!LoadGameFromFile(appData.loadGameFile,
1368 CalculateIndex(appData.loadGameIndex, gameNr),
1369 appData.loadGameFile, FALSE)) {
1370 DisplayFatalError(_("Bad game file"), 0, 1);
1373 } else if (*appData.loadPositionFile != NULLCHAR) {
1374 if (!LoadPositionFromFile(appData.loadPositionFile,
1375 CalculateIndex(appData.loadPositionIndex, gameNr),
1376 appData.loadPositionFile)) {
1377 DisplayFatalError(_("Bad position file"), 0, 1);
1385 ReserveGame (int gameNr, char resChar)
1387 FILE *tf = fopen(appData.tourneyFile, "r+");
1388 char *p, *q, c, buf[MSG_SIZ];
1389 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1390 safeStrCpy(buf, lastMsg, MSG_SIZ);
1391 DisplayMessage(_("Pick new game"), "");
1392 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1393 ParseArgsFromFile(tf);
1394 p = q = appData.results;
1395 if(appData.debugMode) {
1396 char *r = appData.participants;
1397 fprintf(debugFP, "results = '%s'\n", p);
1398 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1399 fprintf(debugFP, "\n");
1401 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1403 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1404 safeStrCpy(q, p, strlen(p) + 2);
1405 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1406 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1407 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1408 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1411 fseek(tf, -(strlen(p)+4), SEEK_END);
1413 if(c != '"') // depending on DOS or Unix line endings we can be one off
1414 fseek(tf, -(strlen(p)+2), SEEK_END);
1415 else fseek(tf, -(strlen(p)+3), SEEK_END);
1416 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1417 DisplayMessage(buf, "");
1418 free(p); appData.results = q;
1419 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1420 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1421 int round = appData.defaultMatchGames * appData.tourneyType;
1422 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1423 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1424 UnloadEngine(&first); // next game belongs to other pairing;
1425 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1427 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1431 MatchEvent (int mode)
1432 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1434 if(matchMode) { // already in match mode: switch it off
1436 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1439 // if(gameMode != BeginningOfGame) {
1440 // DisplayError(_("You can only start a match from the initial position."), 0);
1444 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1445 /* Set up machine vs. machine match */
1447 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1448 if(appData.tourneyFile[0]) {
1450 if(nextGame > appData.matchGames) {
1452 if(strchr(appData.results, '*') == NULL) {
1454 appData.tourneyCycles++;
1455 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1457 NextTourneyGame(-1, &dummy);
1459 if(nextGame <= appData.matchGames) {
1460 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1462 ScheduleDelayedEvent(NextMatchGame, 10000);
1467 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1468 DisplayError(buf, 0);
1469 appData.tourneyFile[0] = 0;
1473 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1474 DisplayFatalError(_("Can't have a match with no chess programs"),
1479 matchGame = roundNr = 1;
1480 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1485 InitBackEnd3 P((void))
1487 GameMode initialMode;
1491 InitChessProgram(&first, startedFromSetupPosition);
1493 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1494 free(programVersion);
1495 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1496 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1497 FloatToFront(&appData.recentEngineList, appData.firstChessProgram);
1500 if (appData.icsActive) {
1502 /* [DM] Make a console window if needed [HGM] merged ifs */
1508 if (*appData.icsCommPort != NULLCHAR)
1509 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1510 appData.icsCommPort);
1512 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1513 appData.icsHost, appData.icsPort);
1515 if( (len >= MSG_SIZ) && appData.debugMode )
1516 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1518 DisplayFatalError(buf, err, 1);
1523 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1525 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1526 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1527 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1528 } else if (appData.noChessProgram) {
1534 if (*appData.cmailGameName != NULLCHAR) {
1536 OpenLoopback(&cmailPR);
1538 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1542 DisplayMessage("", "");
1543 if (StrCaseCmp(appData.initialMode, "") == 0) {
1544 initialMode = BeginningOfGame;
1545 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1546 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1547 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1548 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1551 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1552 initialMode = TwoMachinesPlay;
1553 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1554 initialMode = AnalyzeFile;
1555 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1556 initialMode = AnalyzeMode;
1557 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1558 initialMode = MachinePlaysWhite;
1559 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1560 initialMode = MachinePlaysBlack;
1561 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1562 initialMode = EditGame;
1563 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1564 initialMode = EditPosition;
1565 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1566 initialMode = Training;
1568 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1569 if( (len >= MSG_SIZ) && appData.debugMode )
1570 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1572 DisplayFatalError(buf, 0, 2);
1576 if (appData.matchMode) {
1577 if(appData.tourneyFile[0]) { // start tourney from command line
1579 if(f = fopen(appData.tourneyFile, "r")) {
1580 ParseArgsFromFile(f); // make sure tourney parmeters re known
1582 appData.clockMode = TRUE;
1584 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1587 } else if (*appData.cmailGameName != NULLCHAR) {
1588 /* Set up cmail mode */
1589 ReloadCmailMsgEvent(TRUE);
1591 /* Set up other modes */
1592 if (initialMode == AnalyzeFile) {
1593 if (*appData.loadGameFile == NULLCHAR) {
1594 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1598 if (*appData.loadGameFile != NULLCHAR) {
1599 (void) LoadGameFromFile(appData.loadGameFile,
1600 appData.loadGameIndex,
1601 appData.loadGameFile, TRUE);
1602 } else if (*appData.loadPositionFile != NULLCHAR) {
1603 (void) LoadPositionFromFile(appData.loadPositionFile,
1604 appData.loadPositionIndex,
1605 appData.loadPositionFile);
1606 /* [HGM] try to make self-starting even after FEN load */
1607 /* to allow automatic setup of fairy variants with wtm */
1608 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1609 gameMode = BeginningOfGame;
1610 setboardSpoiledMachineBlack = 1;
1612 /* [HGM] loadPos: make that every new game uses the setup */
1613 /* from file as long as we do not switch variant */
1614 if(!blackPlaysFirst) {
1615 startedFromPositionFile = TRUE;
1616 CopyBoard(filePosition, boards[0]);
1619 if (initialMode == AnalyzeMode) {
1620 if (appData.noChessProgram) {
1621 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1624 if (appData.icsActive) {
1625 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1629 } else if (initialMode == AnalyzeFile) {
1630 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1631 ShowThinkingEvent();
1633 AnalysisPeriodicEvent(1);
1634 } else if (initialMode == MachinePlaysWhite) {
1635 if (appData.noChessProgram) {
1636 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1640 if (appData.icsActive) {
1641 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1645 MachineWhiteEvent();
1646 } else if (initialMode == MachinePlaysBlack) {
1647 if (appData.noChessProgram) {
1648 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1652 if (appData.icsActive) {
1653 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1657 MachineBlackEvent();
1658 } else if (initialMode == TwoMachinesPlay) {
1659 if (appData.noChessProgram) {
1660 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1664 if (appData.icsActive) {
1665 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1670 } else if (initialMode == EditGame) {
1672 } else if (initialMode == EditPosition) {
1673 EditPositionEvent();
1674 } else if (initialMode == Training) {
1675 if (*appData.loadGameFile == NULLCHAR) {
1676 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1685 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1687 DisplayBook(current+1);
1689 MoveHistorySet( movelist, first, last, current, pvInfoList );
1691 EvalGraphSet( first, last, current, pvInfoList );
1693 MakeEngineOutputTitle();
1697 * Establish will establish a contact to a remote host.port.
1698 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1699 * used to talk to the host.
1700 * Returns 0 if okay, error code if not.
1707 if (*appData.icsCommPort != NULLCHAR) {
1708 /* Talk to the host through a serial comm port */
1709 return OpenCommPort(appData.icsCommPort, &icsPR);
1711 } else if (*appData.gateway != NULLCHAR) {
1712 if (*appData.remoteShell == NULLCHAR) {
1713 /* Use the rcmd protocol to run telnet program on a gateway host */
1714 snprintf(buf, sizeof(buf), "%s %s %s",
1715 appData.telnetProgram, appData.icsHost, appData.icsPort);
1716 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1719 /* Use the rsh program to run telnet program on a gateway host */
1720 if (*appData.remoteUser == NULLCHAR) {
1721 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1722 appData.gateway, appData.telnetProgram,
1723 appData.icsHost, appData.icsPort);
1725 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1726 appData.remoteShell, appData.gateway,
1727 appData.remoteUser, appData.telnetProgram,
1728 appData.icsHost, appData.icsPort);
1730 return StartChildProcess(buf, "", &icsPR);
1733 } else if (appData.useTelnet) {
1734 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1737 /* TCP socket interface differs somewhat between
1738 Unix and NT; handle details in the front end.
1740 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1745 EscapeExpand (char *p, char *q)
1746 { // [HGM] initstring: routine to shape up string arguments
1747 while(*p++ = *q++) if(p[-1] == '\\')
1749 case 'n': p[-1] = '\n'; break;
1750 case 'r': p[-1] = '\r'; break;
1751 case 't': p[-1] = '\t'; break;
1752 case '\\': p[-1] = '\\'; break;
1753 case 0: *p = 0; return;
1754 default: p[-1] = q[-1]; break;
1759 show_bytes (FILE *fp, char *buf, int count)
1762 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1763 fprintf(fp, "\\%03o", *buf & 0xff);
1772 /* Returns an errno value */
1774 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1776 char buf[8192], *p, *q, *buflim;
1777 int left, newcount, outcount;
1779 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1780 *appData.gateway != NULLCHAR) {
1781 if (appData.debugMode) {
1782 fprintf(debugFP, ">ICS: ");
1783 show_bytes(debugFP, message, count);
1784 fprintf(debugFP, "\n");
1786 return OutputToProcess(pr, message, count, outError);
1789 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1796 if (appData.debugMode) {
1797 fprintf(debugFP, ">ICS: ");
1798 show_bytes(debugFP, buf, newcount);
1799 fprintf(debugFP, "\n");
1801 outcount = OutputToProcess(pr, buf, newcount, outError);
1802 if (outcount < newcount) return -1; /* to be sure */
1809 } else if (((unsigned char) *p) == TN_IAC) {
1810 *q++ = (char) TN_IAC;
1817 if (appData.debugMode) {
1818 fprintf(debugFP, ">ICS: ");
1819 show_bytes(debugFP, buf, newcount);
1820 fprintf(debugFP, "\n");
1822 outcount = OutputToProcess(pr, buf, newcount, outError);
1823 if (outcount < newcount) return -1; /* to be sure */
1828 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1830 int outError, outCount;
1831 static int gotEof = 0;
1833 /* Pass data read from player on to ICS */
1836 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1837 if (outCount < count) {
1838 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1840 } else if (count < 0) {
1841 RemoveInputSource(isr);
1842 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1843 } else if (gotEof++ > 0) {
1844 RemoveInputSource(isr);
1845 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1851 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1852 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1853 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1854 SendToICS("date\n");
1855 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1858 /* added routine for printf style output to ics */
1860 ics_printf (char *format, ...)
1862 char buffer[MSG_SIZ];
1865 va_start(args, format);
1866 vsnprintf(buffer, sizeof(buffer), format, args);
1867 buffer[sizeof(buffer)-1] = '\0';
1875 int count, outCount, outError;
1877 if (icsPR == NoProc) return;
1880 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1881 if (outCount < count) {
1882 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1886 /* This is used for sending logon scripts to the ICS. Sending
1887 without a delay causes problems when using timestamp on ICC
1888 (at least on my machine). */
1890 SendToICSDelayed (char *s, long msdelay)
1892 int count, outCount, outError;
1894 if (icsPR == NoProc) return;
1897 if (appData.debugMode) {
1898 fprintf(debugFP, ">ICS: ");
1899 show_bytes(debugFP, s, count);
1900 fprintf(debugFP, "\n");
1902 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1904 if (outCount < count) {
1905 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1910 /* Remove all highlighting escape sequences in s
1911 Also deletes any suffix starting with '('
1914 StripHighlightAndTitle (char *s)
1916 static char retbuf[MSG_SIZ];
1919 while (*s != NULLCHAR) {
1920 while (*s == '\033') {
1921 while (*s != NULLCHAR && !isalpha(*s)) s++;
1922 if (*s != NULLCHAR) s++;
1924 while (*s != NULLCHAR && *s != '\033') {
1925 if (*s == '(' || *s == '[') {
1936 /* Remove all highlighting escape sequences in s */
1938 StripHighlight (char *s)
1940 static char retbuf[MSG_SIZ];
1943 while (*s != NULLCHAR) {
1944 while (*s == '\033') {
1945 while (*s != NULLCHAR && !isalpha(*s)) s++;
1946 if (*s != NULLCHAR) s++;
1948 while (*s != NULLCHAR && *s != '\033') {
1956 char *variantNames[] = VARIANT_NAMES;
1958 VariantName (VariantClass v)
1960 return variantNames[v];
1964 /* Identify a variant from the strings the chess servers use or the
1965 PGN Variant tag names we use. */
1967 StringToVariant (char *e)
1971 VariantClass v = VariantNormal;
1972 int i, found = FALSE;
1978 /* [HGM] skip over optional board-size prefixes */
1979 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1980 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1981 while( *e++ != '_');
1984 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1988 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1989 if (StrCaseStr(e, variantNames[i])) {
1990 v = (VariantClass) i;
1997 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
1998 || StrCaseStr(e, "wild/fr")
1999 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2000 v = VariantFischeRandom;
2001 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2002 (i = 1, p = StrCaseStr(e, "w"))) {
2004 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2011 case 0: /* FICS only, actually */
2013 /* Castling legal even if K starts on d-file */
2014 v = VariantWildCastle;
2019 /* Castling illegal even if K & R happen to start in
2020 normal positions. */
2021 v = VariantNoCastle;
2034 /* Castling legal iff K & R start in normal positions */
2040 /* Special wilds for position setup; unclear what to do here */
2041 v = VariantLoadable;
2044 /* Bizarre ICC game */
2045 v = VariantTwoKings;
2048 v = VariantKriegspiel;
2054 v = VariantFischeRandom;
2057 v = VariantCrazyhouse;
2060 v = VariantBughouse;
2066 /* Not quite the same as FICS suicide! */
2067 v = VariantGiveaway;
2073 v = VariantShatranj;
2076 /* Temporary names for future ICC types. The name *will* change in
2077 the next xboard/WinBoard release after ICC defines it. */
2115 v = VariantCapablanca;
2118 v = VariantKnightmate;
2124 v = VariantCylinder;
2130 v = VariantCapaRandom;
2133 v = VariantBerolina;
2145 /* Found "wild" or "w" in the string but no number;
2146 must assume it's normal chess. */
2150 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2151 if( (len >= MSG_SIZ) && appData.debugMode )
2152 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2154 DisplayError(buf, 0);
2160 if (appData.debugMode) {
2161 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2162 e, wnum, VariantName(v));
2167 static int leftover_start = 0, leftover_len = 0;
2168 char star_match[STAR_MATCH_N][MSG_SIZ];
2170 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2171 advance *index beyond it, and set leftover_start to the new value of
2172 *index; else return FALSE. If pattern contains the character '*', it
2173 matches any sequence of characters not containing '\r', '\n', or the
2174 character following the '*' (if any), and the matched sequence(s) are
2175 copied into star_match.
2178 looking_at ( char *buf, int *index, char *pattern)
2180 char *bufp = &buf[*index], *patternp = pattern;
2182 char *matchp = star_match[0];
2185 if (*patternp == NULLCHAR) {
2186 *index = leftover_start = bufp - buf;
2190 if (*bufp == NULLCHAR) return FALSE;
2191 if (*patternp == '*') {
2192 if (*bufp == *(patternp + 1)) {
2194 matchp = star_match[++star_count];
2198 } else if (*bufp == '\n' || *bufp == '\r') {
2200 if (*patternp == NULLCHAR)
2205 *matchp++ = *bufp++;
2209 if (*patternp != *bufp) return FALSE;
2216 SendToPlayer (char *data, int length)
2218 int error, outCount;
2219 outCount = OutputToProcess(NoProc, data, length, &error);
2220 if (outCount < length) {
2221 DisplayFatalError(_("Error writing to display"), error, 1);
2226 PackHolding (char packed[], char *holding)
2236 switch (runlength) {
2247 sprintf(q, "%d", runlength);
2259 /* Telnet protocol requests from the front end */
2261 TelnetRequest (unsigned char ddww, unsigned char option)
2263 unsigned char msg[3];
2264 int outCount, outError;
2266 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2268 if (appData.debugMode) {
2269 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2285 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2294 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2297 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2302 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2304 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2311 if (!appData.icsActive) return;
2312 TelnetRequest(TN_DO, TN_ECHO);
2318 if (!appData.icsActive) return;
2319 TelnetRequest(TN_DONT, TN_ECHO);
2323 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2325 /* put the holdings sent to us by the server on the board holdings area */
2326 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2330 if(gameInfo.holdingsWidth < 2) return;
2331 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2332 return; // prevent overwriting by pre-board holdings
2334 if( (int)lowestPiece >= BlackPawn ) {
2337 holdingsStartRow = BOARD_HEIGHT-1;
2340 holdingsColumn = BOARD_WIDTH-1;
2341 countsColumn = BOARD_WIDTH-2;
2342 holdingsStartRow = 0;
2346 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2347 board[i][holdingsColumn] = EmptySquare;
2348 board[i][countsColumn] = (ChessSquare) 0;
2350 while( (p=*holdings++) != NULLCHAR ) {
2351 piece = CharToPiece( ToUpper(p) );
2352 if(piece == EmptySquare) continue;
2353 /*j = (int) piece - (int) WhitePawn;*/
2354 j = PieceToNumber(piece);
2355 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2356 if(j < 0) continue; /* should not happen */
2357 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2358 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2359 board[holdingsStartRow+j*direction][countsColumn]++;
2365 VariantSwitch (Board board, VariantClass newVariant)
2367 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2368 static Board oldBoard;
2370 startedFromPositionFile = FALSE;
2371 if(gameInfo.variant == newVariant) return;
2373 /* [HGM] This routine is called each time an assignment is made to
2374 * gameInfo.variant during a game, to make sure the board sizes
2375 * are set to match the new variant. If that means adding or deleting
2376 * holdings, we shift the playing board accordingly
2377 * This kludge is needed because in ICS observe mode, we get boards
2378 * of an ongoing game without knowing the variant, and learn about the
2379 * latter only later. This can be because of the move list we requested,
2380 * in which case the game history is refilled from the beginning anyway,
2381 * but also when receiving holdings of a crazyhouse game. In the latter
2382 * case we want to add those holdings to the already received position.
2386 if (appData.debugMode) {
2387 fprintf(debugFP, "Switch board from %s to %s\n",
2388 VariantName(gameInfo.variant), VariantName(newVariant));
2389 setbuf(debugFP, NULL);
2391 shuffleOpenings = 0; /* [HGM] shuffle */
2392 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2396 newWidth = 9; newHeight = 9;
2397 gameInfo.holdingsSize = 7;
2398 case VariantBughouse:
2399 case VariantCrazyhouse:
2400 newHoldingsWidth = 2; break;
2404 newHoldingsWidth = 2;
2405 gameInfo.holdingsSize = 8;
2408 case VariantCapablanca:
2409 case VariantCapaRandom:
2412 newHoldingsWidth = gameInfo.holdingsSize = 0;
2415 if(newWidth != gameInfo.boardWidth ||
2416 newHeight != gameInfo.boardHeight ||
2417 newHoldingsWidth != gameInfo.holdingsWidth ) {
2419 /* shift position to new playing area, if needed */
2420 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2421 for(i=0; i<BOARD_HEIGHT; i++)
2422 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2423 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2425 for(i=0; i<newHeight; i++) {
2426 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2427 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2429 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2430 for(i=0; i<BOARD_HEIGHT; i++)
2431 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2432 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2435 gameInfo.boardWidth = newWidth;
2436 gameInfo.boardHeight = newHeight;
2437 gameInfo.holdingsWidth = newHoldingsWidth;
2438 gameInfo.variant = newVariant;
2439 InitDrawingSizes(-2, 0);
2440 } else gameInfo.variant = newVariant;
2441 CopyBoard(oldBoard, board); // remember correctly formatted board
2442 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2443 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2446 static int loggedOn = FALSE;
2448 /*-- Game start info cache: --*/
2450 char gs_kind[MSG_SIZ];
2451 static char player1Name[128] = "";
2452 static char player2Name[128] = "";
2453 static char cont_seq[] = "\n\\ ";
2454 static int player1Rating = -1;
2455 static int player2Rating = -1;
2456 /*----------------------------*/
2458 ColorClass curColor = ColorNormal;
2459 int suppressKibitz = 0;
2462 Boolean soughtPending = FALSE;
2463 Boolean seekGraphUp;
2464 #define MAX_SEEK_ADS 200
2466 char *seekAdList[MAX_SEEK_ADS];
2467 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2468 float tcList[MAX_SEEK_ADS];
2469 char colorList[MAX_SEEK_ADS];
2470 int nrOfSeekAds = 0;
2471 int minRating = 1010, maxRating = 2800;
2472 int hMargin = 10, vMargin = 20, h, w;
2473 extern int squareSize, lineGap;
2478 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2479 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2480 if(r < minRating+100 && r >=0 ) r = minRating+100;
2481 if(r > maxRating) r = maxRating;
2482 if(tc < 1.) tc = 1.;
2483 if(tc > 95.) tc = 95.;
2484 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2485 y = ((double)r - minRating)/(maxRating - minRating)
2486 * (h-vMargin-squareSize/8-1) + vMargin;
2487 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2488 if(strstr(seekAdList[i], " u ")) color = 1;
2489 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2490 !strstr(seekAdList[i], "bullet") &&
2491 !strstr(seekAdList[i], "blitz") &&
2492 !strstr(seekAdList[i], "standard") ) color = 2;
2493 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2494 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2498 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2500 char buf[MSG_SIZ], *ext = "";
2501 VariantClass v = StringToVariant(type);
2502 if(strstr(type, "wild")) {
2503 ext = type + 4; // append wild number
2504 if(v == VariantFischeRandom) type = "chess960"; else
2505 if(v == VariantLoadable) type = "setup"; else
2506 type = VariantName(v);
2508 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2509 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2510 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2511 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2512 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2513 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2514 seekNrList[nrOfSeekAds] = nr;
2515 zList[nrOfSeekAds] = 0;
2516 seekAdList[nrOfSeekAds++] = StrSave(buf);
2517 if(plot) PlotSeekAd(nrOfSeekAds-1);
2522 EraseSeekDot (int i)
2524 int x = xList[i], y = yList[i], d=squareSize/4, k;
2525 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2526 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2527 // now replot every dot that overlapped
2528 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2529 int xx = xList[k], yy = yList[k];
2530 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2531 DrawSeekDot(xx, yy, colorList[k]);
2536 RemoveSeekAd (int nr)
2539 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2541 if(seekAdList[i]) free(seekAdList[i]);
2542 seekAdList[i] = seekAdList[--nrOfSeekAds];
2543 seekNrList[i] = seekNrList[nrOfSeekAds];
2544 ratingList[i] = ratingList[nrOfSeekAds];
2545 colorList[i] = colorList[nrOfSeekAds];
2546 tcList[i] = tcList[nrOfSeekAds];
2547 xList[i] = xList[nrOfSeekAds];
2548 yList[i] = yList[nrOfSeekAds];
2549 zList[i] = zList[nrOfSeekAds];
2550 seekAdList[nrOfSeekAds] = NULL;
2556 MatchSoughtLine (char *line)
2558 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2559 int nr, base, inc, u=0; char dummy;
2561 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2562 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2564 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2565 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2566 // match: compact and save the line
2567 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2577 if(!seekGraphUp) return FALSE;
2578 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2579 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2581 DrawSeekBackground(0, 0, w, h);
2582 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2583 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2584 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2585 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2587 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2590 snprintf(buf, MSG_SIZ, "%d", i);
2591 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2594 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2595 for(i=1; i<100; i+=(i<10?1:5)) {
2596 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2597 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2598 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2600 snprintf(buf, MSG_SIZ, "%d", i);
2601 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2604 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2609 SeekGraphClick (ClickType click, int x, int y, int moving)
2611 static int lastDown = 0, displayed = 0, lastSecond;
2612 if(y < 0) return FALSE;
2613 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2614 if(click == Release || moving) return FALSE;
2616 soughtPending = TRUE;
2617 SendToICS(ics_prefix);
2618 SendToICS("sought\n"); // should this be "sought all"?
2619 } else { // issue challenge based on clicked ad
2620 int dist = 10000; int i, closest = 0, second = 0;
2621 for(i=0; i<nrOfSeekAds; i++) {
2622 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2623 if(d < dist) { dist = d; closest = i; }
2624 second += (d - zList[i] < 120); // count in-range ads
2625 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2629 second = (second > 1);
2630 if(displayed != closest || second != lastSecond) {
2631 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2632 lastSecond = second; displayed = closest;
2634 if(click == Press) {
2635 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2638 } // on press 'hit', only show info
2639 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2640 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2641 SendToICS(ics_prefix);
2643 return TRUE; // let incoming board of started game pop down the graph
2644 } else if(click == Release) { // release 'miss' is ignored
2645 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2646 if(moving == 2) { // right up-click
2647 nrOfSeekAds = 0; // refresh graph
2648 soughtPending = TRUE;
2649 SendToICS(ics_prefix);
2650 SendToICS("sought\n"); // should this be "sought all"?
2653 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2654 // press miss or release hit 'pop down' seek graph
2655 seekGraphUp = FALSE;
2656 DrawPosition(TRUE, NULL);
2662 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2664 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2665 #define STARTED_NONE 0
2666 #define STARTED_MOVES 1
2667 #define STARTED_BOARD 2
2668 #define STARTED_OBSERVE 3
2669 #define STARTED_HOLDINGS 4
2670 #define STARTED_CHATTER 5
2671 #define STARTED_COMMENT 6
2672 #define STARTED_MOVES_NOHIDE 7
2674 static int started = STARTED_NONE;
2675 static char parse[20000];
2676 static int parse_pos = 0;
2677 static char buf[BUF_SIZE + 1];
2678 static int firstTime = TRUE, intfSet = FALSE;
2679 static ColorClass prevColor = ColorNormal;
2680 static int savingComment = FALSE;
2681 static int cmatch = 0; // continuation sequence match
2688 int backup; /* [DM] For zippy color lines */
2690 char talker[MSG_SIZ]; // [HGM] chat
2693 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2695 if (appData.debugMode) {
2697 fprintf(debugFP, "<ICS: ");
2698 show_bytes(debugFP, data, count);
2699 fprintf(debugFP, "\n");
2703 if (appData.debugMode) { int f = forwardMostMove;
2704 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2705 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2706 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2709 /* If last read ended with a partial line that we couldn't parse,
2710 prepend it to the new read and try again. */
2711 if (leftover_len > 0) {
2712 for (i=0; i<leftover_len; i++)
2713 buf[i] = buf[leftover_start + i];
2716 /* copy new characters into the buffer */
2717 bp = buf + leftover_len;
2718 buf_len=leftover_len;
2719 for (i=0; i<count; i++)
2722 if (data[i] == '\r')
2725 // join lines split by ICS?
2726 if (!appData.noJoin)
2729 Joining just consists of finding matches against the
2730 continuation sequence, and discarding that sequence
2731 if found instead of copying it. So, until a match
2732 fails, there's nothing to do since it might be the
2733 complete sequence, and thus, something we don't want
2736 if (data[i] == cont_seq[cmatch])
2739 if (cmatch == strlen(cont_seq))
2741 cmatch = 0; // complete match. just reset the counter
2744 it's possible for the ICS to not include the space
2745 at the end of the last word, making our [correct]
2746 join operation fuse two separate words. the server
2747 does this when the space occurs at the width setting.
2749 if (!buf_len || buf[buf_len-1] != ' ')
2760 match failed, so we have to copy what matched before
2761 falling through and copying this character. In reality,
2762 this will only ever be just the newline character, but
2763 it doesn't hurt to be precise.
2765 strncpy(bp, cont_seq, cmatch);
2777 buf[buf_len] = NULLCHAR;
2778 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2783 while (i < buf_len) {
2784 /* Deal with part of the TELNET option negotiation
2785 protocol. We refuse to do anything beyond the
2786 defaults, except that we allow the WILL ECHO option,
2787 which ICS uses to turn off password echoing when we are
2788 directly connected to it. We reject this option
2789 if localLineEditing mode is on (always on in xboard)
2790 and we are talking to port 23, which might be a real
2791 telnet server that will try to keep WILL ECHO on permanently.
2793 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2794 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2795 unsigned char option;
2797 switch ((unsigned char) buf[++i]) {
2799 if (appData.debugMode)
2800 fprintf(debugFP, "\n<WILL ");
2801 switch (option = (unsigned char) buf[++i]) {
2803 if (appData.debugMode)
2804 fprintf(debugFP, "ECHO ");
2805 /* Reply only if this is a change, according
2806 to the protocol rules. */
2807 if (remoteEchoOption) break;
2808 if (appData.localLineEditing &&
2809 atoi(appData.icsPort) == TN_PORT) {
2810 TelnetRequest(TN_DONT, TN_ECHO);
2813 TelnetRequest(TN_DO, TN_ECHO);
2814 remoteEchoOption = TRUE;
2818 if (appData.debugMode)
2819 fprintf(debugFP, "%d ", option);
2820 /* Whatever this is, we don't want it. */
2821 TelnetRequest(TN_DONT, option);
2826 if (appData.debugMode)
2827 fprintf(debugFP, "\n<WONT ");
2828 switch (option = (unsigned char) buf[++i]) {
2830 if (appData.debugMode)
2831 fprintf(debugFP, "ECHO ");
2832 /* Reply only if this is a change, according
2833 to the protocol rules. */
2834 if (!remoteEchoOption) break;
2836 TelnetRequest(TN_DONT, TN_ECHO);
2837 remoteEchoOption = FALSE;
2840 if (appData.debugMode)
2841 fprintf(debugFP, "%d ", (unsigned char) option);
2842 /* Whatever this is, it must already be turned
2843 off, because we never agree to turn on
2844 anything non-default, so according to the
2845 protocol rules, we don't reply. */
2850 if (appData.debugMode)
2851 fprintf(debugFP, "\n<DO ");
2852 switch (option = (unsigned char) buf[++i]) {
2854 /* Whatever this is, we refuse to do it. */
2855 if (appData.debugMode)
2856 fprintf(debugFP, "%d ", option);
2857 TelnetRequest(TN_WONT, option);
2862 if (appData.debugMode)
2863 fprintf(debugFP, "\n<DONT ");
2864 switch (option = (unsigned char) buf[++i]) {
2866 if (appData.debugMode)
2867 fprintf(debugFP, "%d ", option);
2868 /* Whatever this is, we are already not doing
2869 it, because we never agree to do anything
2870 non-default, so according to the protocol
2871 rules, we don't reply. */
2876 if (appData.debugMode)
2877 fprintf(debugFP, "\n<IAC ");
2878 /* Doubled IAC; pass it through */
2882 if (appData.debugMode)
2883 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2884 /* Drop all other telnet commands on the floor */
2887 if (oldi > next_out)
2888 SendToPlayer(&buf[next_out], oldi - next_out);
2894 /* OK, this at least will *usually* work */
2895 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2899 if (loggedOn && !intfSet) {
2900 if (ics_type == ICS_ICC) {
2901 snprintf(str, MSG_SIZ,
2902 "/set-quietly interface %s\n/set-quietly style 12\n",
2904 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2905 strcat(str, "/set-2 51 1\n/set seek 1\n");
2906 } else if (ics_type == ICS_CHESSNET) {
2907 snprintf(str, MSG_SIZ, "/style 12\n");
2909 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2910 strcat(str, programVersion);
2911 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2912 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2913 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2915 strcat(str, "$iset nohighlight 1\n");
2917 strcat(str, "$iset lock 1\n$style 12\n");
2920 NotifyFrontendLogin();
2924 if (started == STARTED_COMMENT) {
2925 /* Accumulate characters in comment */
2926 parse[parse_pos++] = buf[i];
2927 if (buf[i] == '\n') {
2928 parse[parse_pos] = NULLCHAR;
2929 if(chattingPartner>=0) {
2931 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2932 OutputChatMessage(chattingPartner, mess);
2933 chattingPartner = -1;
2934 next_out = i+1; // [HGM] suppress printing in ICS window
2936 if(!suppressKibitz) // [HGM] kibitz
2937 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2938 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2939 int nrDigit = 0, nrAlph = 0, j;
2940 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2941 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2942 parse[parse_pos] = NULLCHAR;
2943 // try to be smart: if it does not look like search info, it should go to
2944 // ICS interaction window after all, not to engine-output window.
2945 for(j=0; j<parse_pos; j++) { // count letters and digits
2946 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2947 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2948 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2950 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2951 int depth=0; float score;
2952 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2953 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2954 pvInfoList[forwardMostMove-1].depth = depth;
2955 pvInfoList[forwardMostMove-1].score = 100*score;
2957 OutputKibitz(suppressKibitz, parse);
2960 if(gameMode == IcsObserving) // restore original ICS messages
2961 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2963 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2964 SendToPlayer(tmp, strlen(tmp));
2966 next_out = i+1; // [HGM] suppress printing in ICS window
2968 started = STARTED_NONE;
2970 /* Don't match patterns against characters in comment */
2975 if (started == STARTED_CHATTER) {
2976 if (buf[i] != '\n') {
2977 /* Don't match patterns against characters in chatter */
2981 started = STARTED_NONE;
2982 if(suppressKibitz) next_out = i+1;
2985 /* Kludge to deal with rcmd protocol */
2986 if (firstTime && looking_at(buf, &i, "\001*")) {
2987 DisplayFatalError(&buf[1], 0, 1);
2993 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
2996 if (appData.debugMode)
2997 fprintf(debugFP, "ics_type %d\n", ics_type);
3000 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3001 ics_type = ICS_FICS;
3003 if (appData.debugMode)
3004 fprintf(debugFP, "ics_type %d\n", ics_type);
3007 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3008 ics_type = ICS_CHESSNET;
3010 if (appData.debugMode)
3011 fprintf(debugFP, "ics_type %d\n", ics_type);
3016 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3017 looking_at(buf, &i, "Logging you in as \"*\"") ||
3018 looking_at(buf, &i, "will be \"*\""))) {
3019 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3023 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3025 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3026 DisplayIcsInteractionTitle(buf);
3027 have_set_title = TRUE;
3030 /* skip finger notes */
3031 if (started == STARTED_NONE &&
3032 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3033 (buf[i] == '1' && buf[i+1] == '0')) &&
3034 buf[i+2] == ':' && buf[i+3] == ' ') {
3035 started = STARTED_CHATTER;
3041 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3042 if(appData.seekGraph) {
3043 if(soughtPending && MatchSoughtLine(buf+i)) {
3044 i = strstr(buf+i, "rated") - buf;
3045 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3046 next_out = leftover_start = i;
3047 started = STARTED_CHATTER;
3048 suppressKibitz = TRUE;
3051 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3052 && looking_at(buf, &i, "* ads displayed")) {
3053 soughtPending = FALSE;
3058 if(appData.autoRefresh) {
3059 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3060 int s = (ics_type == ICS_ICC); // ICC format differs
3062 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3063 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3064 looking_at(buf, &i, "*% "); // eat prompt
3065 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3066 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3067 next_out = i; // suppress
3070 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3071 char *p = star_match[0];
3073 if(seekGraphUp) RemoveSeekAd(atoi(p));
3074 while(*p && *p++ != ' '); // next
3076 looking_at(buf, &i, "*% "); // eat prompt
3077 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3084 /* skip formula vars */
3085 if (started == STARTED_NONE &&
3086 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3087 started = STARTED_CHATTER;
3092 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3093 if (appData.autoKibitz && started == STARTED_NONE &&
3094 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3095 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3096 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3097 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3098 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3099 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3100 suppressKibitz = TRUE;
3101 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3103 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3104 && (gameMode == IcsPlayingWhite)) ||
3105 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3106 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3107 started = STARTED_CHATTER; // own kibitz we simply discard
3109 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3110 parse_pos = 0; parse[0] = NULLCHAR;
3111 savingComment = TRUE;
3112 suppressKibitz = gameMode != IcsObserving ? 2 :
3113 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3117 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3118 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3119 && atoi(star_match[0])) {
3120 // suppress the acknowledgements of our own autoKibitz
3122 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3123 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3124 SendToPlayer(star_match[0], strlen(star_match[0]));
3125 if(looking_at(buf, &i, "*% ")) // eat prompt
3126 suppressKibitz = FALSE;
3130 } // [HGM] kibitz: end of patch
3132 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3134 // [HGM] chat: intercept tells by users for which we have an open chat window
3136 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3137 looking_at(buf, &i, "* whispers:") ||
3138 looking_at(buf, &i, "* kibitzes:") ||
3139 looking_at(buf, &i, "* shouts:") ||
3140 looking_at(buf, &i, "* c-shouts:") ||
3141 looking_at(buf, &i, "--> * ") ||
3142 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3143 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3144 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3145 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3147 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3148 chattingPartner = -1;
3150 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3151 for(p=0; p<MAX_CHAT; p++) {
3152 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3153 talker[0] = '['; strcat(talker, "] ");
3154 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3155 chattingPartner = p; break;
3158 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3159 for(p=0; p<MAX_CHAT; p++) {
3160 if(!strcmp("kibitzes", chatPartner[p])) {
3161 talker[0] = '['; strcat(talker, "] ");
3162 chattingPartner = p; break;
3165 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3166 for(p=0; p<MAX_CHAT; p++) {
3167 if(!strcmp("whispers", chatPartner[p])) {
3168 talker[0] = '['; strcat(talker, "] ");
3169 chattingPartner = p; break;
3172 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3173 if(buf[i-8] == '-' && buf[i-3] == 't')
3174 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3175 if(!strcmp("c-shouts", chatPartner[p])) {
3176 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3177 chattingPartner = p; break;
3180 if(chattingPartner < 0)
3181 for(p=0; p<MAX_CHAT; p++) {
3182 if(!strcmp("shouts", chatPartner[p])) {
3183 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3184 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3185 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3186 chattingPartner = p; break;
3190 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3191 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3192 talker[0] = 0; Colorize(ColorTell, FALSE);
3193 chattingPartner = p; break;
3195 if(chattingPartner<0) i = oldi; else {
3196 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3197 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3198 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3199 started = STARTED_COMMENT;
3200 parse_pos = 0; parse[0] = NULLCHAR;
3201 savingComment = 3 + chattingPartner; // counts as TRUE
3202 suppressKibitz = TRUE;
3205 } // [HGM] chat: end of patch
3208 if (appData.zippyTalk || appData.zippyPlay) {
3209 /* [DM] Backup address for color zippy lines */
3211 if (loggedOn == TRUE)
3212 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3213 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3215 } // [DM] 'else { ' deleted
3217 /* Regular tells and says */
3218 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3219 looking_at(buf, &i, "* (your partner) tells you: ") ||
3220 looking_at(buf, &i, "* says: ") ||
3221 /* Don't color "message" or "messages" output */
3222 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3223 looking_at(buf, &i, "*. * at *:*: ") ||
3224 looking_at(buf, &i, "--* (*:*): ") ||
3225 /* Message notifications (same color as tells) */
3226 looking_at(buf, &i, "* has left a message ") ||
3227 looking_at(buf, &i, "* just sent you a message:\n") ||
3228 /* Whispers and kibitzes */
3229 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3230 looking_at(buf, &i, "* kibitzes: ") ||
3232 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3234 if (tkind == 1 && strchr(star_match[0], ':')) {
3235 /* Avoid "tells you:" spoofs in channels */
3238 if (star_match[0][0] == NULLCHAR ||
3239 strchr(star_match[0], ' ') ||
3240 (tkind == 3 && strchr(star_match[1], ' '))) {
3241 /* Reject bogus matches */
3244 if (appData.colorize) {
3245 if (oldi > next_out) {
3246 SendToPlayer(&buf[next_out], oldi - next_out);
3251 Colorize(ColorTell, FALSE);
3252 curColor = ColorTell;
3255 Colorize(ColorKibitz, FALSE);
3256 curColor = ColorKibitz;
3259 p = strrchr(star_match[1], '(');
3266 Colorize(ColorChannel1, FALSE);
3267 curColor = ColorChannel1;
3269 Colorize(ColorChannel, FALSE);
3270 curColor = ColorChannel;
3274 curColor = ColorNormal;
3278 if (started == STARTED_NONE && appData.autoComment &&
3279 (gameMode == IcsObserving ||
3280 gameMode == IcsPlayingWhite ||
3281 gameMode == IcsPlayingBlack)) {
3282 parse_pos = i - oldi;
3283 memcpy(parse, &buf[oldi], parse_pos);
3284 parse[parse_pos] = NULLCHAR;
3285 started = STARTED_COMMENT;
3286 savingComment = TRUE;
3288 started = STARTED_CHATTER;
3289 savingComment = FALSE;
3296 if (looking_at(buf, &i, "* s-shouts: ") ||
3297 looking_at(buf, &i, "* c-shouts: ")) {
3298 if (appData.colorize) {
3299 if (oldi > next_out) {
3300 SendToPlayer(&buf[next_out], oldi - next_out);
3303 Colorize(ColorSShout, FALSE);
3304 curColor = ColorSShout;
3307 started = STARTED_CHATTER;
3311 if (looking_at(buf, &i, "--->")) {
3316 if (looking_at(buf, &i, "* shouts: ") ||
3317 looking_at(buf, &i, "--> ")) {
3318 if (appData.colorize) {
3319 if (oldi > next_out) {
3320 SendToPlayer(&buf[next_out], oldi - next_out);
3323 Colorize(ColorShout, FALSE);
3324 curColor = ColorShout;
3327 started = STARTED_CHATTER;
3331 if (looking_at( buf, &i, "Challenge:")) {
3332 if (appData.colorize) {
3333 if (oldi > next_out) {
3334 SendToPlayer(&buf[next_out], oldi - next_out);
3337 Colorize(ColorChallenge, FALSE);
3338 curColor = ColorChallenge;
3344 if (looking_at(buf, &i, "* offers you") ||
3345 looking_at(buf, &i, "* offers to be") ||
3346 looking_at(buf, &i, "* would like to") ||
3347 looking_at(buf, &i, "* requests to") ||
3348 looking_at(buf, &i, "Your opponent offers") ||
3349 looking_at(buf, &i, "Your opponent requests")) {
3351 if (appData.colorize) {
3352 if (oldi > next_out) {
3353 SendToPlayer(&buf[next_out], oldi - next_out);
3356 Colorize(ColorRequest, FALSE);
3357 curColor = ColorRequest;
3362 if (looking_at(buf, &i, "* (*) seeking")) {
3363 if (appData.colorize) {
3364 if (oldi > next_out) {
3365 SendToPlayer(&buf[next_out], oldi - next_out);
3368 Colorize(ColorSeek, FALSE);
3369 curColor = ColorSeek;
3374 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3376 if (looking_at(buf, &i, "\\ ")) {
3377 if (prevColor != ColorNormal) {
3378 if (oldi > next_out) {
3379 SendToPlayer(&buf[next_out], oldi - next_out);
3382 Colorize(prevColor, TRUE);
3383 curColor = prevColor;
3385 if (savingComment) {
3386 parse_pos = i - oldi;
3387 memcpy(parse, &buf[oldi], parse_pos);
3388 parse[parse_pos] = NULLCHAR;
3389 started = STARTED_COMMENT;
3390 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3391 chattingPartner = savingComment - 3; // kludge to remember the box
3393 started = STARTED_CHATTER;
3398 if (looking_at(buf, &i, "Black Strength :") ||
3399 looking_at(buf, &i, "<<< style 10 board >>>") ||
3400 looking_at(buf, &i, "<10>") ||
3401 looking_at(buf, &i, "#@#")) {
3402 /* Wrong board style */
3404 SendToICS(ics_prefix);
3405 SendToICS("set style 12\n");
3406 SendToICS(ics_prefix);
3407 SendToICS("refresh\n");
3411 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3413 have_sent_ICS_logon = 1;
3417 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3418 (looking_at(buf, &i, "\n<12> ") ||
3419 looking_at(buf, &i, "<12> "))) {
3421 if (oldi > next_out) {
3422 SendToPlayer(&buf[next_out], oldi - next_out);
3425 started = STARTED_BOARD;
3430 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3431 looking_at(buf, &i, "<b1> ")) {
3432 if (oldi > next_out) {
3433 SendToPlayer(&buf[next_out], oldi - next_out);
3436 started = STARTED_HOLDINGS;
3441 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3443 /* Header for a move list -- first line */
3445 switch (ics_getting_history) {
3449 case BeginningOfGame:
3450 /* User typed "moves" or "oldmoves" while we
3451 were idle. Pretend we asked for these
3452 moves and soak them up so user can step
3453 through them and/or save them.
3456 gameMode = IcsObserving;
3459 ics_getting_history = H_GOT_UNREQ_HEADER;
3461 case EditGame: /*?*/
3462 case EditPosition: /*?*/
3463 /* Should above feature work in these modes too? */
3464 /* For now it doesn't */
3465 ics_getting_history = H_GOT_UNWANTED_HEADER;
3468 ics_getting_history = H_GOT_UNWANTED_HEADER;
3473 /* Is this the right one? */
3474 if (gameInfo.white && gameInfo.black &&
3475 strcmp(gameInfo.white, star_match[0]) == 0 &&
3476 strcmp(gameInfo.black, star_match[2]) == 0) {
3478 ics_getting_history = H_GOT_REQ_HEADER;
3481 case H_GOT_REQ_HEADER:
3482 case H_GOT_UNREQ_HEADER:
3483 case H_GOT_UNWANTED_HEADER:
3484 case H_GETTING_MOVES:
3485 /* Should not happen */
3486 DisplayError(_("Error gathering move list: two headers"), 0);
3487 ics_getting_history = H_FALSE;
3491 /* Save player ratings into gameInfo if needed */
3492 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3493 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3494 (gameInfo.whiteRating == -1 ||
3495 gameInfo.blackRating == -1)) {
3497 gameInfo.whiteRating = string_to_rating(star_match[1]);
3498 gameInfo.blackRating = string_to_rating(star_match[3]);
3499 if (appData.debugMode)
3500 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3501 gameInfo.whiteRating, gameInfo.blackRating);
3506 if (looking_at(buf, &i,
3507 "* * match, initial time: * minute*, increment: * second")) {
3508 /* Header for a move list -- second line */
3509 /* Initial board will follow if this is a wild game */
3510 if (gameInfo.event != NULL) free(gameInfo.event);
3511 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3512 gameInfo.event = StrSave(str);
3513 /* [HGM] we switched variant. Translate boards if needed. */
3514 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3518 if (looking_at(buf, &i, "Move ")) {
3519 /* Beginning of a move list */
3520 switch (ics_getting_history) {
3522 /* Normally should not happen */
3523 /* Maybe user hit reset while we were parsing */
3526 /* Happens if we are ignoring a move list that is not
3527 * the one we just requested. Common if the user
3528 * tries to observe two games without turning off
3531 case H_GETTING_MOVES:
3532 /* Should not happen */
3533 DisplayError(_("Error gathering move list: nested"), 0);
3534 ics_getting_history = H_FALSE;
3536 case H_GOT_REQ_HEADER:
3537 ics_getting_history = H_GETTING_MOVES;
3538 started = STARTED_MOVES;
3540 if (oldi > next_out) {
3541 SendToPlayer(&buf[next_out], oldi - next_out);
3544 case H_GOT_UNREQ_HEADER:
3545 ics_getting_history = H_GETTING_MOVES;
3546 started = STARTED_MOVES_NOHIDE;
3549 case H_GOT_UNWANTED_HEADER:
3550 ics_getting_history = H_FALSE;
3556 if (looking_at(buf, &i, "% ") ||
3557 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3558 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3559 if(soughtPending) { // [HGM] seekgraph: on ICC sought-list has no termination line
3560 soughtPending = FALSE;
3564 if(suppressKibitz) next_out = i;
3565 savingComment = FALSE;
3569 case STARTED_MOVES_NOHIDE:
3570 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3571 parse[parse_pos + i - oldi] = NULLCHAR;
3572 ParseGameHistory(parse);
3574 if (appData.zippyPlay && first.initDone) {
3575 FeedMovesToProgram(&first, forwardMostMove);
3576 if (gameMode == IcsPlayingWhite) {
3577 if (WhiteOnMove(forwardMostMove)) {
3578 if (first.sendTime) {
3579 if (first.useColors) {
3580 SendToProgram("black\n", &first);
3582 SendTimeRemaining(&first, TRUE);
3584 if (first.useColors) {
3585 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3587 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3588 first.maybeThinking = TRUE;
3590 if (first.usePlayother) {
3591 if (first.sendTime) {
3592 SendTimeRemaining(&first, TRUE);
3594 SendToProgram("playother\n", &first);
3600 } else if (gameMode == IcsPlayingBlack) {
3601 if (!WhiteOnMove(forwardMostMove)) {
3602 if (first.sendTime) {
3603 if (first.useColors) {
3604 SendToProgram("white\n", &first);
3606 SendTimeRemaining(&first, FALSE);
3608 if (first.useColors) {
3609 SendToProgram("black\n", &first);
3611 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3612 first.maybeThinking = TRUE;
3614 if (first.usePlayother) {
3615 if (first.sendTime) {
3616 SendTimeRemaining(&first, FALSE);
3618 SendToProgram("playother\n", &first);
3627 if (gameMode == IcsObserving && ics_gamenum == -1) {
3628 /* Moves came from oldmoves or moves command
3629 while we weren't doing anything else.
3631 currentMove = forwardMostMove;
3632 ClearHighlights();/*!!could figure this out*/
3633 flipView = appData.flipView;
3634 DrawPosition(TRUE, boards[currentMove]);
3635 DisplayBothClocks();
3636 snprintf(str, MSG_SIZ, "%s %s %s",
3637 gameInfo.white, _("vs."), gameInfo.black);
3641 /* Moves were history of an active game */
3642 if (gameInfo.resultDetails != NULL) {
3643 free(gameInfo.resultDetails);
3644 gameInfo.resultDetails = NULL;
3647 HistorySet(parseList, backwardMostMove,
3648 forwardMostMove, currentMove-1);
3649 DisplayMove(currentMove - 1);
3650 if (started == STARTED_MOVES) next_out = i;
3651 started = STARTED_NONE;
3652 ics_getting_history = H_FALSE;
3655 case STARTED_OBSERVE:
3656 started = STARTED_NONE;
3657 SendToICS(ics_prefix);
3658 SendToICS("refresh\n");
3664 if(bookHit) { // [HGM] book: simulate book reply
3665 static char bookMove[MSG_SIZ]; // a bit generous?
3667 programStats.nodes = programStats.depth = programStats.time =
3668 programStats.score = programStats.got_only_move = 0;
3669 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3671 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3672 strcat(bookMove, bookHit);
3673 HandleMachineMove(bookMove, &first);
3678 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3679 started == STARTED_HOLDINGS ||
3680 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3681 /* Accumulate characters in move list or board */
3682 parse[parse_pos++] = buf[i];
3685 /* Start of game messages. Mostly we detect start of game
3686 when the first board image arrives. On some versions
3687 of the ICS, though, we need to do a "refresh" after starting
3688 to observe in order to get the current board right away. */
3689 if (looking_at(buf, &i, "Adding game * to observation list")) {
3690 started = STARTED_OBSERVE;
3694 /* Handle auto-observe */
3695 if (appData.autoObserve &&
3696 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3697 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3699 /* Choose the player that was highlighted, if any. */
3700 if (star_match[0][0] == '\033' ||
3701 star_match[1][0] != '\033') {
3702 player = star_match[0];
3704 player = star_match[2];
3706 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3707 ics_prefix, StripHighlightAndTitle(player));
3710 /* Save ratings from notify string */
3711 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3712 player1Rating = string_to_rating(star_match[1]);
3713 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3714 player2Rating = string_to_rating(star_match[3]);
3716 if (appData.debugMode)
3718 "Ratings from 'Game notification:' %s %d, %s %d\n",
3719 player1Name, player1Rating,
3720 player2Name, player2Rating);
3725 /* Deal with automatic examine mode after a game,
3726 and with IcsObserving -> IcsExamining transition */
3727 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3728 looking_at(buf, &i, "has made you an examiner of game *")) {
3730 int gamenum = atoi(star_match[0]);
3731 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3732 gamenum == ics_gamenum) {
3733 /* We were already playing or observing this game;
3734 no need to refetch history */
3735 gameMode = IcsExamining;
3737 pauseExamForwardMostMove = forwardMostMove;
3738 } else if (currentMove < forwardMostMove) {
3739 ForwardInner(forwardMostMove);
3742 /* I don't think this case really can happen */
3743 SendToICS(ics_prefix);
3744 SendToICS("refresh\n");
3749 /* Error messages */
3750 // if (ics_user_moved) {
3751 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3752 if (looking_at(buf, &i, "Illegal move") ||
3753 looking_at(buf, &i, "Not a legal move") ||
3754 looking_at(buf, &i, "Your king is in check") ||
3755 looking_at(buf, &i, "It isn't your turn") ||
3756 looking_at(buf, &i, "It is not your move")) {
3758 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3759 currentMove = forwardMostMove-1;
3760 DisplayMove(currentMove - 1); /* before DMError */
3761 DrawPosition(FALSE, boards[currentMove]);
3762 SwitchClocks(forwardMostMove-1); // [HGM] race
3763 DisplayBothClocks();
3765 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3771 if (looking_at(buf, &i, "still have time") ||
3772 looking_at(buf, &i, "not out of time") ||
3773 looking_at(buf, &i, "either player is out of time") ||
3774 looking_at(buf, &i, "has timeseal; checking")) {
3775 /* We must have called his flag a little too soon */
3776 whiteFlag = blackFlag = FALSE;
3780 if (looking_at(buf, &i, "added * seconds to") ||
3781 looking_at(buf, &i, "seconds were added to")) {
3782 /* Update the clocks */
3783 SendToICS(ics_prefix);
3784 SendToICS("refresh\n");
3788 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3789 ics_clock_paused = TRUE;
3794 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3795 ics_clock_paused = FALSE;
3800 /* Grab player ratings from the Creating: message.
3801 Note we have to check for the special case when
3802 the ICS inserts things like [white] or [black]. */
3803 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3804 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3806 0 player 1 name (not necessarily white)
3808 2 empty, white, or black (IGNORED)
3809 3 player 2 name (not necessarily black)
3812 The names/ratings are sorted out when the game
3813 actually starts (below).
3815 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3816 player1Rating = string_to_rating(star_match[1]);
3817 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3818 player2Rating = string_to_rating(star_match[4]);
3820 if (appData.debugMode)
3822 "Ratings from 'Creating:' %s %d, %s %d\n",
3823 player1Name, player1Rating,
3824 player2Name, player2Rating);
3829 /* Improved generic start/end-of-game messages */
3830 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3831 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3832 /* If tkind == 0: */
3833 /* star_match[0] is the game number */
3834 /* [1] is the white player's name */
3835 /* [2] is the black player's name */
3836 /* For end-of-game: */
3837 /* [3] is the reason for the game end */
3838 /* [4] is a PGN end game-token, preceded by " " */
3839 /* For start-of-game: */
3840 /* [3] begins with "Creating" or "Continuing" */
3841 /* [4] is " *" or empty (don't care). */
3842 int gamenum = atoi(star_match[0]);
3843 char *whitename, *blackname, *why, *endtoken;
3844 ChessMove endtype = EndOfFile;
3847 whitename = star_match[1];
3848 blackname = star_match[2];
3849 why = star_match[3];
3850 endtoken = star_match[4];
3852 whitename = star_match[1];
3853 blackname = star_match[3];
3854 why = star_match[5];
3855 endtoken = star_match[6];
3858 /* Game start messages */
3859 if (strncmp(why, "Creating ", 9) == 0 ||
3860 strncmp(why, "Continuing ", 11) == 0) {
3861 gs_gamenum = gamenum;
3862 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3863 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3864 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3866 if (appData.zippyPlay) {
3867 ZippyGameStart(whitename, blackname);
3870 partnerBoardValid = FALSE; // [HGM] bughouse
3874 /* Game end messages */
3875 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3876 ics_gamenum != gamenum) {
3879 while (endtoken[0] == ' ') endtoken++;
3880 switch (endtoken[0]) {
3883 endtype = GameUnfinished;
3886 endtype = BlackWins;
3889 if (endtoken[1] == '/')
3890 endtype = GameIsDrawn;
3892 endtype = WhiteWins;
3895 GameEnds(endtype, why, GE_ICS);
3897 if (appData.zippyPlay && first.initDone) {
3898 ZippyGameEnd(endtype, why);
3899 if (first.pr == NoProc) {
3900 /* Start the next process early so that we'll
3901 be ready for the next challenge */
3902 StartChessProgram(&first);
3904 /* Send "new" early, in case this command takes
3905 a long time to finish, so that we'll be ready
3906 for the next challenge. */
3907 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3911 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3915 if (looking_at(buf, &i, "Removing game * from observation") ||
3916 looking_at(buf, &i, "no longer observing game *") ||
3917 looking_at(buf, &i, "Game * (*) has no examiners")) {
3918 if (gameMode == IcsObserving &&
3919 atoi(star_match[0]) == ics_gamenum)
3921 /* icsEngineAnalyze */
3922 if (appData.icsEngineAnalyze) {
3929 ics_user_moved = FALSE;
3934 if (looking_at(buf, &i, "no longer examining game *")) {
3935 if (gameMode == IcsExamining &&
3936 atoi(star_match[0]) == ics_gamenum)
3940 ics_user_moved = FALSE;
3945 /* Advance leftover_start past any newlines we find,
3946 so only partial lines can get reparsed */
3947 if (looking_at(buf, &i, "\n")) {
3948 prevColor = curColor;
3949 if (curColor != ColorNormal) {
3950 if (oldi > next_out) {
3951 SendToPlayer(&buf[next_out], oldi - next_out);
3954 Colorize(ColorNormal, FALSE);
3955 curColor = ColorNormal;
3957 if (started == STARTED_BOARD) {
3958 started = STARTED_NONE;
3959 parse[parse_pos] = NULLCHAR;
3960 ParseBoard12(parse);
3963 /* Send premove here */
3964 if (appData.premove) {
3966 if (currentMove == 0 &&
3967 gameMode == IcsPlayingWhite &&
3968 appData.premoveWhite) {
3969 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3970 if (appData.debugMode)
3971 fprintf(debugFP, "Sending premove:\n");
3973 } else if (currentMove == 1 &&
3974 gameMode == IcsPlayingBlack &&
3975 appData.premoveBlack) {
3976 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3977 if (appData.debugMode)
3978 fprintf(debugFP, "Sending premove:\n");
3980 } else if (gotPremove) {
3982 ClearPremoveHighlights();
3983 if (appData.debugMode)
3984 fprintf(debugFP, "Sending premove:\n");
3985 UserMoveEvent(premoveFromX, premoveFromY,
3986 premoveToX, premoveToY,
3991 /* Usually suppress following prompt */
3992 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
3993 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
3994 if (looking_at(buf, &i, "*% ")) {
3995 savingComment = FALSE;
4000 } else if (started == STARTED_HOLDINGS) {
4002 char new_piece[MSG_SIZ];
4003 started = STARTED_NONE;
4004 parse[parse_pos] = NULLCHAR;
4005 if (appData.debugMode)
4006 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4007 parse, currentMove);
4008 if (sscanf(parse, " game %d", &gamenum) == 1) {
4009 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4010 if (gameInfo.variant == VariantNormal) {
4011 /* [HGM] We seem to switch variant during a game!
4012 * Presumably no holdings were displayed, so we have
4013 * to move the position two files to the right to
4014 * create room for them!
4016 VariantClass newVariant;
4017 switch(gameInfo.boardWidth) { // base guess on board width
4018 case 9: newVariant = VariantShogi; break;
4019 case 10: newVariant = VariantGreat; break;
4020 default: newVariant = VariantCrazyhouse; break;
4022 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4023 /* Get a move list just to see the header, which
4024 will tell us whether this is really bug or zh */
4025 if (ics_getting_history == H_FALSE) {
4026 ics_getting_history = H_REQUESTED;
4027 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4031 new_piece[0] = NULLCHAR;
4032 sscanf(parse, "game %d white [%s black [%s <- %s",
4033 &gamenum, white_holding, black_holding,
4035 white_holding[strlen(white_holding)-1] = NULLCHAR;
4036 black_holding[strlen(black_holding)-1] = NULLCHAR;
4037 /* [HGM] copy holdings to board holdings area */
4038 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4039 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4040 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4042 if (appData.zippyPlay && first.initDone) {
4043 ZippyHoldings(white_holding, black_holding,
4047 if (tinyLayout || smallLayout) {
4048 char wh[16], bh[16];
4049 PackHolding(wh, white_holding);
4050 PackHolding(bh, black_holding);
4051 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4052 gameInfo.white, gameInfo.black);
4054 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4055 gameInfo.white, white_holding, _("vs."),
4056 gameInfo.black, black_holding);
4058 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4059 DrawPosition(FALSE, boards[currentMove]);
4061 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4062 sscanf(parse, "game %d white [%s black [%s <- %s",
4063 &gamenum, white_holding, black_holding,
4065 white_holding[strlen(white_holding)-1] = NULLCHAR;
4066 black_holding[strlen(black_holding)-1] = NULLCHAR;
4067 /* [HGM] copy holdings to partner-board holdings area */
4068 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4069 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4070 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4071 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4072 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4075 /* Suppress following prompt */
4076 if (looking_at(buf, &i, "*% ")) {
4077 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4078 savingComment = FALSE;
4086 i++; /* skip unparsed character and loop back */
4089 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4090 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4091 // SendToPlayer(&buf[next_out], i - next_out);
4092 started != STARTED_HOLDINGS && leftover_start > next_out) {
4093 SendToPlayer(&buf[next_out], leftover_start - next_out);
4097 leftover_len = buf_len - leftover_start;
4098 /* if buffer ends with something we couldn't parse,
4099 reparse it after appending the next read */
4101 } else if (count == 0) {
4102 RemoveInputSource(isr);
4103 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4105 DisplayFatalError(_("Error reading from ICS"), error, 1);
4110 /* Board style 12 looks like this:
4112 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4114 * The "<12> " is stripped before it gets to this routine. The two
4115 * trailing 0's (flip state and clock ticking) are later addition, and
4116 * some chess servers may not have them, or may have only the first.
4117 * Additional trailing fields may be added in the future.
4120 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4122 #define RELATION_OBSERVING_PLAYED 0
4123 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4124 #define RELATION_PLAYING_MYMOVE 1
4125 #define RELATION_PLAYING_NOTMYMOVE -1
4126 #define RELATION_EXAMINING 2
4127 #define RELATION_ISOLATED_BOARD -3
4128 #define RELATION_STARTING_POSITION -4 /* FICS only */
4131 ParseBoard12 (char *string)
4133 GameMode newGameMode;
4134 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4135 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4136 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4137 char to_play, board_chars[200];
4138 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4139 char black[32], white[32];
4141 int prevMove = currentMove;
4144 int fromX, fromY, toX, toY;
4146 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4147 char *bookHit = NULL; // [HGM] book
4148 Boolean weird = FALSE, reqFlag = FALSE;
4150 fromX = fromY = toX = toY = -1;
4154 if (appData.debugMode)
4155 fprintf(debugFP, _("Parsing board: %s\n"), string);
4157 move_str[0] = NULLCHAR;
4158 elapsed_time[0] = NULLCHAR;
4159 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4161 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4162 if(string[i] == ' ') { ranks++; files = 0; }
4164 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4167 for(j = 0; j <i; j++) board_chars[j] = string[j];
4168 board_chars[i] = '\0';
4171 n = sscanf(string, PATTERN, &to_play, &double_push,
4172 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4173 &gamenum, white, black, &relation, &basetime, &increment,
4174 &white_stren, &black_stren, &white_time, &black_time,
4175 &moveNum, str, elapsed_time, move_str, &ics_flip,
4179 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4180 DisplayError(str, 0);
4184 /* Convert the move number to internal form */
4185 moveNum = (moveNum - 1) * 2;
4186 if (to_play == 'B') moveNum++;
4187 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4188 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4194 case RELATION_OBSERVING_PLAYED:
4195 case RELATION_OBSERVING_STATIC:
4196 if (gamenum == -1) {
4197 /* Old ICC buglet */
4198 relation = RELATION_OBSERVING_STATIC;
4200 newGameMode = IcsObserving;
4202 case RELATION_PLAYING_MYMOVE:
4203 case RELATION_PLAYING_NOTMYMOVE:
4205 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4206 IcsPlayingWhite : IcsPlayingBlack;
4208 case RELATION_EXAMINING:
4209 newGameMode = IcsExamining;
4211 case RELATION_ISOLATED_BOARD:
4213 /* Just display this board. If user was doing something else,
4214 we will forget about it until the next board comes. */
4215 newGameMode = IcsIdle;
4217 case RELATION_STARTING_POSITION:
4218 newGameMode = gameMode;
4222 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4223 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4224 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4226 for (k = 0; k < ranks; k++) {
4227 for (j = 0; j < files; j++)
4228 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4229 if(gameInfo.holdingsWidth > 1) {
4230 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4231 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4234 CopyBoard(partnerBoard, board);
4235 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4236 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4237 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4238 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4239 if(toSqr = strchr(str, '-')) {
4240 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4241 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4242 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4243 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4244 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4245 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4246 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4247 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4248 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4249 DisplayMessage(partnerStatus, "");
4250 partnerBoardValid = TRUE;
4254 /* Modify behavior for initial board display on move listing
4257 switch (ics_getting_history) {
4261 case H_GOT_REQ_HEADER:
4262 case H_GOT_UNREQ_HEADER:
4263 /* This is the initial position of the current game */
4264 gamenum = ics_gamenum;
4265 moveNum = 0; /* old ICS bug workaround */
4266 if (to_play == 'B') {
4267 startedFromSetupPosition = TRUE;
4268 blackPlaysFirst = TRUE;
4270 if (forwardMostMove == 0) forwardMostMove = 1;
4271 if (backwardMostMove == 0) backwardMostMove = 1;
4272 if (currentMove == 0) currentMove = 1;
4274 newGameMode = gameMode;
4275 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4277 case H_GOT_UNWANTED_HEADER:
4278 /* This is an initial board that we don't want */
4280 case H_GETTING_MOVES:
4281 /* Should not happen */
4282 DisplayError(_("Error gathering move list: extra board"), 0);
4283 ics_getting_history = H_FALSE;
4287 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4288 weird && (int)gameInfo.variant < (int)VariantShogi) {
4289 /* [HGM] We seem to have switched variant unexpectedly
4290 * Try to guess new variant from board size
4292 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4293 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4294 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4295 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4296 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4297 if(!weird) newVariant = VariantNormal;
4298 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4299 /* Get a move list just to see the header, which
4300 will tell us whether this is really bug or zh */
4301 if (ics_getting_history == H_FALSE) {
4302 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4303 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4308 /* Take action if this is the first board of a new game, or of a
4309 different game than is currently being displayed. */
4310 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4311 relation == RELATION_ISOLATED_BOARD) {
4313 /* Forget the old game and get the history (if any) of the new one */
4314 if (gameMode != BeginningOfGame) {
4318 if (appData.autoRaiseBoard) BoardToTop();
4320 if (gamenum == -1) {
4321 newGameMode = IcsIdle;
4322 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4323 appData.getMoveList && !reqFlag) {
4324 /* Need to get game history */
4325 ics_getting_history = H_REQUESTED;
4326 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4330 /* Initially flip the board to have black on the bottom if playing
4331 black or if the ICS flip flag is set, but let the user change
4332 it with the Flip View button. */
4333 flipView = appData.autoFlipView ?
4334 (newGameMode == IcsPlayingBlack) || ics_flip :
4337 /* Done with values from previous mode; copy in new ones */
4338 gameMode = newGameMode;
4340 ics_gamenum = gamenum;
4341 if (gamenum == gs_gamenum) {
4342 int klen = strlen(gs_kind);
4343 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4344 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4345 gameInfo.event = StrSave(str);
4347 gameInfo.event = StrSave("ICS game");
4349 gameInfo.site = StrSave(appData.icsHost);
4350 gameInfo.date = PGNDate();
4351 gameInfo.round = StrSave("-");
4352 gameInfo.white = StrSave(white);
4353 gameInfo.black = StrSave(black);
4354 timeControl = basetime * 60 * 1000;
4356 timeIncrement = increment * 1000;
4357 movesPerSession = 0;
4358 gameInfo.timeControl = TimeControlTagValue();
4359 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4360 if (appData.debugMode) {
4361 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4362 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4363 setbuf(debugFP, NULL);
4366 gameInfo.outOfBook = NULL;
4368 /* Do we have the ratings? */
4369 if (strcmp(player1Name, white) == 0 &&
4370 strcmp(player2Name, black) == 0) {
4371 if (appData.debugMode)
4372 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4373 player1Rating, player2Rating);
4374 gameInfo.whiteRating = player1Rating;
4375 gameInfo.blackRating = player2Rating;
4376 } else if (strcmp(player2Name, white) == 0 &&
4377 strcmp(player1Name, black) == 0) {
4378 if (appData.debugMode)
4379 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4380 player2Rating, player1Rating);
4381 gameInfo.whiteRating = player2Rating;
4382 gameInfo.blackRating = player1Rating;
4384 player1Name[0] = player2Name[0] = NULLCHAR;
4386 /* Silence shouts if requested */
4387 if (appData.quietPlay &&
4388 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4389 SendToICS(ics_prefix);
4390 SendToICS("set shout 0\n");
4394 /* Deal with midgame name changes */
4396 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4397 if (gameInfo.white) free(gameInfo.white);
4398 gameInfo.white = StrSave(white);
4400 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4401 if (gameInfo.black) free(gameInfo.black);
4402 gameInfo.black = StrSave(black);
4406 /* Throw away game result if anything actually changes in examine mode */
4407 if (gameMode == IcsExamining && !newGame) {
4408 gameInfo.result = GameUnfinished;
4409 if (gameInfo.resultDetails != NULL) {
4410 free(gameInfo.resultDetails);
4411 gameInfo.resultDetails = NULL;
4415 /* In pausing && IcsExamining mode, we ignore boards coming
4416 in if they are in a different variation than we are. */
4417 if (pauseExamInvalid) return;
4418 if (pausing && gameMode == IcsExamining) {
4419 if (moveNum <= pauseExamForwardMostMove) {
4420 pauseExamInvalid = TRUE;
4421 forwardMostMove = pauseExamForwardMostMove;
4426 if (appData.debugMode) {
4427 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4429 /* Parse the board */
4430 for (k = 0; k < ranks; k++) {
4431 for (j = 0; j < files; j++)
4432 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4433 if(gameInfo.holdingsWidth > 1) {
4434 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4435 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4438 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4439 board[5][BOARD_RGHT+1] = WhiteAngel;
4440 board[6][BOARD_RGHT+1] = WhiteMarshall;
4441 board[1][0] = BlackMarshall;
4442 board[2][0] = BlackAngel;
4443 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4445 CopyBoard(boards[moveNum], board);
4446 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4448 startedFromSetupPosition =
4449 !CompareBoards(board, initialPosition);
4450 if(startedFromSetupPosition)
4451 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4454 /* [HGM] Set castling rights. Take the outermost Rooks,
4455 to make it also work for FRC opening positions. Note that board12
4456 is really defective for later FRC positions, as it has no way to
4457 indicate which Rook can castle if they are on the same side of King.
4458 For the initial position we grant rights to the outermost Rooks,
4459 and remember thos rights, and we then copy them on positions
4460 later in an FRC game. This means WB might not recognize castlings with
4461 Rooks that have moved back to their original position as illegal,
4462 but in ICS mode that is not its job anyway.
4464 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4465 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4467 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4468 if(board[0][i] == WhiteRook) j = i;
4469 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4470 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4471 if(board[0][i] == WhiteRook) j = i;
4472 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4473 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4474 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4475 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4476 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4477 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4478 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4480 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4481 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4482 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4483 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4484 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4485 if(board[BOARD_HEIGHT-1][k] == bKing)
4486 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4487 if(gameInfo.variant == VariantTwoKings) {
4488 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4489 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4490 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4493 r = boards[moveNum][CASTLING][0] = initialRights[0];
4494 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4495 r = boards[moveNum][CASTLING][1] = initialRights[1];
4496 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4497 r = boards[moveNum][CASTLING][3] = initialRights[3];
4498 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4499 r = boards[moveNum][CASTLING][4] = initialRights[4];
4500 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4501 /* wildcastle kludge: always assume King has rights */
4502 r = boards[moveNum][CASTLING][2] = initialRights[2];
4503 r = boards[moveNum][CASTLING][5] = initialRights[5];
4505 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4506 boards[moveNum][EP_STATUS] = double_push == -1 ? EP_NONE : double_push + BOARD_LEFT;
4509 if (ics_getting_history == H_GOT_REQ_HEADER ||
4510 ics_getting_history == H_GOT_UNREQ_HEADER) {
4511 /* This was an initial position from a move list, not
4512 the current position */
4516 /* Update currentMove and known move number limits */
4517 newMove = newGame || moveNum > forwardMostMove;
4520 forwardMostMove = backwardMostMove = currentMove = moveNum;
4521 if (gameMode == IcsExamining && moveNum == 0) {
4522 /* Workaround for ICS limitation: we are not told the wild
4523 type when starting to examine a game. But if we ask for
4524 the move list, the move list header will tell us */
4525 ics_getting_history = H_REQUESTED;
4526 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4529 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4530 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4532 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4533 /* [HGM] applied this also to an engine that is silently watching */
4534 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4535 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4536 gameInfo.variant == currentlyInitializedVariant) {
4537 takeback = forwardMostMove - moveNum;
4538 for (i = 0; i < takeback; i++) {
4539 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4540 SendToProgram("undo\n", &first);
4545 forwardMostMove = moveNum;
4546 if (!pausing || currentMove > forwardMostMove)
4547 currentMove = forwardMostMove;
4549 /* New part of history that is not contiguous with old part */
4550 if (pausing && gameMode == IcsExamining) {
4551 pauseExamInvalid = TRUE;
4552 forwardMostMove = pauseExamForwardMostMove;
4555 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4557 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4558 // [HGM] when we will receive the move list we now request, it will be
4559 // fed to the engine from the first move on. So if the engine is not
4560 // in the initial position now, bring it there.
4561 InitChessProgram(&first, 0);
4564 ics_getting_history = H_REQUESTED;
4565 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4568 forwardMostMove = backwardMostMove = currentMove = moveNum;
4571 /* Update the clocks */
4572 if (strchr(elapsed_time, '.')) {
4574 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4575 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4577 /* Time is in seconds */
4578 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4579 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4584 if (appData.zippyPlay && newGame &&
4585 gameMode != IcsObserving && gameMode != IcsIdle &&
4586 gameMode != IcsExamining)
4587 ZippyFirstBoard(moveNum, basetime, increment);
4590 /* Put the move on the move list, first converting
4591 to canonical algebraic form. */
4593 if (appData.debugMode) {
4594 if (appData.debugMode) { int f = forwardMostMove;
4595 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4596 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4597 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4599 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4600 fprintf(debugFP, "moveNum = %d\n", moveNum);
4601 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4602 setbuf(debugFP, NULL);
4604 if (moveNum <= backwardMostMove) {
4605 /* We don't know what the board looked like before
4607 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4608 strcat(parseList[moveNum - 1], " ");
4609 strcat(parseList[moveNum - 1], elapsed_time);
4610 moveList[moveNum - 1][0] = NULLCHAR;
4611 } else if (strcmp(move_str, "none") == 0) {
4612 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4613 /* Again, we don't know what the board looked like;
4614 this is really the start of the game. */
4615 parseList[moveNum - 1][0] = NULLCHAR;
4616 moveList[moveNum - 1][0] = NULLCHAR;
4617 backwardMostMove = moveNum;
4618 startedFromSetupPosition = TRUE;
4619 fromX = fromY = toX = toY = -1;
4621 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4622 // So we parse the long-algebraic move string in stead of the SAN move
4623 int valid; char buf[MSG_SIZ], *prom;
4625 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4626 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4627 // str looks something like "Q/a1-a2"; kill the slash
4629 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4630 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4631 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4632 strcat(buf, prom); // long move lacks promo specification!
4633 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4634 if(appData.debugMode)
4635 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4636 safeStrCpy(move_str, buf, MSG_SIZ);
4638 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4639 &fromX, &fromY, &toX, &toY, &promoChar)
4640 || ParseOneMove(buf, moveNum - 1, &moveType,
4641 &fromX, &fromY, &toX, &toY, &promoChar);
4642 // end of long SAN patch
4644 (void) CoordsToAlgebraic(boards[moveNum - 1],
4645 PosFlags(moveNum - 1),
4646 fromY, fromX, toY, toX, promoChar,
4647 parseList[moveNum-1]);
4648 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4654 if(gameInfo.variant != VariantShogi)
4655 strcat(parseList[moveNum - 1], "+");
4658 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4659 strcat(parseList[moveNum - 1], "#");
4662 strcat(parseList[moveNum - 1], " ");
4663 strcat(parseList[moveNum - 1], elapsed_time);
4664 /* currentMoveString is set as a side-effect of ParseOneMove */
4665 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4666 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4667 strcat(moveList[moveNum - 1], "\n");
4669 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4670 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4671 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4672 ChessSquare old, new = boards[moveNum][k][j];
4673 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4674 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4675 if(old == new) continue;
4676 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4677 else if(new == WhiteWazir || new == BlackWazir) {
4678 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4679 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4680 else boards[moveNum][k][j] = old; // preserve type of Gold
4681 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4682 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4685 /* Move from ICS was illegal!? Punt. */
4686 if (appData.debugMode) {
4687 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4688 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4690 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4691 strcat(parseList[moveNum - 1], " ");
4692 strcat(parseList[moveNum - 1], elapsed_time);
4693 moveList[moveNum - 1][0] = NULLCHAR;
4694 fromX = fromY = toX = toY = -1;
4697 if (appData.debugMode) {
4698 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4699 setbuf(debugFP, NULL);
4703 /* Send move to chess program (BEFORE animating it). */
4704 if (appData.zippyPlay && !newGame && newMove &&
4705 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4707 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4708 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4709 if (moveList[moveNum - 1][0] == NULLCHAR) {
4710 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4712 DisplayError(str, 0);
4714 if (first.sendTime) {
4715 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4717 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4718 if (firstMove && !bookHit) {
4720 if (first.useColors) {
4721 SendToProgram(gameMode == IcsPlayingWhite ?
4723 "black\ngo\n", &first);
4725 SendToProgram("go\n", &first);
4727 first.maybeThinking = TRUE;
4730 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4731 if (moveList[moveNum - 1][0] == NULLCHAR) {
4732 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4733 DisplayError(str, 0);
4735 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4736 SendMoveToProgram(moveNum - 1, &first);
4743 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4744 /* If move comes from a remote source, animate it. If it
4745 isn't remote, it will have already been animated. */
4746 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4747 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4749 if (!pausing && appData.highlightLastMove) {
4750 SetHighlights(fromX, fromY, toX, toY);
4754 /* Start the clocks */
4755 whiteFlag = blackFlag = FALSE;
4756 appData.clockMode = !(basetime == 0 && increment == 0);
4758 ics_clock_paused = TRUE;
4760 } else if (ticking == 1) {
4761 ics_clock_paused = FALSE;
4763 if (gameMode == IcsIdle ||
4764 relation == RELATION_OBSERVING_STATIC ||
4765 relation == RELATION_EXAMINING ||
4767 DisplayBothClocks();
4771 /* Display opponents and material strengths */
4772 if (gameInfo.variant != VariantBughouse &&
4773 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4774 if (tinyLayout || smallLayout) {
4775 if(gameInfo.variant == VariantNormal)
4776 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4777 gameInfo.white, white_stren, gameInfo.black, black_stren,
4778 basetime, increment);
4780 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4781 gameInfo.white, white_stren, gameInfo.black, black_stren,
4782 basetime, increment, (int) gameInfo.variant);
4784 if(gameInfo.variant == VariantNormal)
4785 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4786 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4787 basetime, increment);
4789 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4790 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4791 basetime, increment, VariantName(gameInfo.variant));
4794 if (appData.debugMode) {
4795 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4800 /* Display the board */
4801 if (!pausing && !appData.noGUI) {
4803 if (appData.premove)
4805 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4806 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4807 ClearPremoveHighlights();
4809 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4810 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4811 DrawPosition(j, boards[currentMove]);
4813 DisplayMove(moveNum - 1);
4814 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4815 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4816 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4817 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4821 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4823 if(bookHit) { // [HGM] book: simulate book reply
4824 static char bookMove[MSG_SIZ]; // a bit generous?
4826 programStats.nodes = programStats.depth = programStats.time =
4827 programStats.score = programStats.got_only_move = 0;
4828 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4830 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4831 strcat(bookMove, bookHit);
4832 HandleMachineMove(bookMove, &first);
4841 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4842 ics_getting_history = H_REQUESTED;
4843 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4849 AnalysisPeriodicEvent (int force)
4851 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4852 && !force) || !appData.periodicUpdates)
4855 /* Send . command to Crafty to collect stats */
4856 SendToProgram(".\n", &first);
4858 /* Don't send another until we get a response (this makes
4859 us stop sending to old Crafty's which don't understand
4860 the "." command (sending illegal cmds resets node count & time,
4861 which looks bad)) */
4862 programStats.ok_to_send = 0;
4866 ics_update_width (int new_width)
4868 ics_printf("set width %d\n", new_width);
4872 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4876 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4877 // null move in variant where engine does not understand it (for analysis purposes)
4878 SendBoard(cps, moveNum + 1); // send position after move in stead.
4881 if (cps->useUsermove) {
4882 SendToProgram("usermove ", cps);
4886 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4887 int len = space - parseList[moveNum];
4888 memcpy(buf, parseList[moveNum], len);
4890 buf[len] = NULLCHAR;
4892 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4894 SendToProgram(buf, cps);
4896 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4897 AlphaRank(moveList[moveNum], 4);
4898 SendToProgram(moveList[moveNum], cps);
4899 AlphaRank(moveList[moveNum], 4); // and back
4901 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4902 * the engine. It would be nice to have a better way to identify castle
4904 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4905 && cps->useOOCastle) {
4906 int fromX = moveList[moveNum][0] - AAA;
4907 int fromY = moveList[moveNum][1] - ONE;
4908 int toX = moveList[moveNum][2] - AAA;
4909 int toY = moveList[moveNum][3] - ONE;
4910 if((boards[moveNum][fromY][fromX] == WhiteKing
4911 && boards[moveNum][toY][toX] == WhiteRook)
4912 || (boards[moveNum][fromY][fromX] == BlackKing
4913 && boards[moveNum][toY][toX] == BlackRook)) {
4914 if(toX > fromX) SendToProgram("O-O\n", cps);
4915 else SendToProgram("O-O-O\n", cps);
4917 else SendToProgram(moveList[moveNum], cps);
4919 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4920 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4921 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4922 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4923 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4925 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4926 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4927 SendToProgram(buf, cps);
4929 else SendToProgram(moveList[moveNum], cps);
4930 /* End of additions by Tord */
4933 /* [HGM] setting up the opening has brought engine in force mode! */
4934 /* Send 'go' if we are in a mode where machine should play. */
4935 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4936 (gameMode == TwoMachinesPlay ||
4938 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4940 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4941 SendToProgram("go\n", cps);
4942 if (appData.debugMode) {
4943 fprintf(debugFP, "(extra)\n");
4946 setboardSpoiledMachineBlack = 0;
4950 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
4952 char user_move[MSG_SIZ];
4955 if(gameInfo.variant == VariantSChess && promoChar) {
4956 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4957 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4958 } else suffix[0] = NULLCHAR;
4962 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4963 (int)moveType, fromX, fromY, toX, toY);
4964 DisplayError(user_move + strlen("say "), 0);
4966 case WhiteKingSideCastle:
4967 case BlackKingSideCastle:
4968 case WhiteQueenSideCastleWild:
4969 case BlackQueenSideCastleWild:
4971 case WhiteHSideCastleFR:
4972 case BlackHSideCastleFR:
4974 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4976 case WhiteQueenSideCastle:
4977 case BlackQueenSideCastle:
4978 case WhiteKingSideCastleWild:
4979 case BlackKingSideCastleWild:
4981 case WhiteASideCastleFR:
4982 case BlackASideCastleFR:
4984 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
4986 case WhiteNonPromotion:
4987 case BlackNonPromotion:
4988 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
4990 case WhitePromotion:
4991 case BlackPromotion:
4992 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
4993 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
4994 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4995 PieceToChar(WhiteFerz));
4996 else if(gameInfo.variant == VariantGreat)
4997 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
4998 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
4999 PieceToChar(WhiteMan));
5001 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5002 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5008 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5009 ToUpper(PieceToChar((ChessSquare) fromX)),
5010 AAA + toX, ONE + toY);
5012 case IllegalMove: /* could be a variant we don't quite understand */
5013 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5015 case WhiteCapturesEnPassant:
5016 case BlackCapturesEnPassant:
5017 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5018 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5021 SendToICS(user_move);
5022 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5023 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5028 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5029 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5030 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5031 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5032 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5035 if(gameMode != IcsExamining) { // is this ever not the case?
5036 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5038 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5039 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5040 } else { // on FICS we must first go to general examine mode
5041 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5043 if(gameInfo.variant != VariantNormal) {
5044 // try figure out wild number, as xboard names are not always valid on ICS
5045 for(i=1; i<=36; i++) {
5046 snprintf(buf, MSG_SIZ, "wild/%d", i);
5047 if(StringToVariant(buf) == gameInfo.variant) break;
5049 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5050 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5051 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5052 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5053 SendToICS(ics_prefix);
5055 if(startedFromSetupPosition || backwardMostMove != 0) {
5056 fen = PositionToFEN(backwardMostMove, NULL);
5057 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5058 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5060 } else { // FICS: everything has to set by separate bsetup commands
5061 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5062 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5064 if(!WhiteOnMove(backwardMostMove)) {
5065 SendToICS("bsetup tomove black\n");
5067 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5068 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5070 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5071 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5073 i = boards[backwardMostMove][EP_STATUS];
5074 if(i >= 0) { // set e.p.
5075 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5081 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5082 SendToICS("bsetup done\n"); // switch to normal examining.
5084 for(i = backwardMostMove; i<last; i++) {
5086 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5089 SendToICS(ics_prefix);
5090 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5094 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5096 if (rf == DROP_RANK) {
5097 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5098 sprintf(move, "%c@%c%c\n",
5099 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5101 if (promoChar == 'x' || promoChar == NULLCHAR) {
5102 sprintf(move, "%c%c%c%c\n",
5103 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5105 sprintf(move, "%c%c%c%c%c\n",
5106 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5112 ProcessICSInitScript (FILE *f)
5116 while (fgets(buf, MSG_SIZ, f)) {
5117 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5124 static int lastX, lastY, selectFlag, dragging;
5129 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5130 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5131 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5132 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5133 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5134 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5137 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5138 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5139 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5140 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5141 if(!step) step = -1;
5142 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5143 appData.testLegality && (promoSweep == king ||
5144 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5145 ChangeDragPiece(promoSweep);
5149 PromoScroll (int x, int y)
5153 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5154 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5155 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5156 if(!step) return FALSE;
5157 lastX = x; lastY = y;
5158 if((promoSweep < BlackPawn) == flipView) step = -step;
5159 if(step > 0) selectFlag = 1;
5160 if(!selectFlag) Sweep(step);
5165 NextPiece (int step)
5167 ChessSquare piece = boards[currentMove][toY][toX];
5170 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5171 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5172 if(!step) step = -1;
5173 } while(PieceToChar(pieceSweep) == '.');
5174 boards[currentMove][toY][toX] = pieceSweep;
5175 DrawPosition(FALSE, boards[currentMove]);
5176 boards[currentMove][toY][toX] = piece;
5178 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5180 AlphaRank (char *move, int n)
5182 // char *p = move, c; int x, y;
5184 if (appData.debugMode) {
5185 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5189 move[2]>='0' && move[2]<='9' &&
5190 move[3]>='a' && move[3]<='x' ) {
5192 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5193 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5195 if(move[0]>='0' && move[0]<='9' &&
5196 move[1]>='a' && move[1]<='x' &&
5197 move[2]>='0' && move[2]<='9' &&
5198 move[3]>='a' && move[3]<='x' ) {
5199 /* input move, Shogi -> normal */
5200 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5201 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5202 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5203 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5206 move[3]>='0' && move[3]<='9' &&
5207 move[2]>='a' && move[2]<='x' ) {
5209 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5210 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5213 move[0]>='a' && move[0]<='x' &&
5214 move[3]>='0' && move[3]<='9' &&
5215 move[2]>='a' && move[2]<='x' ) {
5216 /* output move, normal -> Shogi */
5217 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5218 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5219 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5220 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5221 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5223 if (appData.debugMode) {
5224 fprintf(debugFP, " out = '%s'\n", move);
5228 char yy_textstr[8000];
5230 /* Parser for moves from gnuchess, ICS, or user typein box */
5232 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5234 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5236 switch (*moveType) {
5237 case WhitePromotion:
5238 case BlackPromotion:
5239 case WhiteNonPromotion:
5240 case BlackNonPromotion:
5242 case WhiteCapturesEnPassant:
5243 case BlackCapturesEnPassant:
5244 case WhiteKingSideCastle:
5245 case WhiteQueenSideCastle:
5246 case BlackKingSideCastle:
5247 case BlackQueenSideCastle:
5248 case WhiteKingSideCastleWild:
5249 case WhiteQueenSideCastleWild:
5250 case BlackKingSideCastleWild:
5251 case BlackQueenSideCastleWild:
5252 /* Code added by Tord: */
5253 case WhiteHSideCastleFR:
5254 case WhiteASideCastleFR:
5255 case BlackHSideCastleFR:
5256 case BlackASideCastleFR:
5257 /* End of code added by Tord */
5258 case IllegalMove: /* bug or odd chess variant */
5259 *fromX = currentMoveString[0] - AAA;
5260 *fromY = currentMoveString[1] - ONE;
5261 *toX = currentMoveString[2] - AAA;
5262 *toY = currentMoveString[3] - ONE;
5263 *promoChar = currentMoveString[4];
5264 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5265 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5266 if (appData.debugMode) {
5267 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5269 *fromX = *fromY = *toX = *toY = 0;
5272 if (appData.testLegality) {
5273 return (*moveType != IllegalMove);
5275 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5276 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5281 *fromX = *moveType == WhiteDrop ?
5282 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5283 (int) CharToPiece(ToLower(currentMoveString[0]));
5285 *toX = currentMoveString[2] - AAA;
5286 *toY = currentMoveString[3] - ONE;
5287 *promoChar = NULLCHAR;
5291 case ImpossibleMove:
5301 if (appData.debugMode) {
5302 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5305 *fromX = *fromY = *toX = *toY = 0;
5306 *promoChar = NULLCHAR;
5311 Boolean pushed = FALSE;
5312 char *lastParseAttempt;
5315 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5316 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5317 int fromX, fromY, toX, toY; char promoChar;
5322 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5323 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5326 endPV = forwardMostMove;
5328 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5329 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5330 lastParseAttempt = pv;
5331 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5332 if(!valid && nr == 0 &&
5333 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5334 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5335 // Hande case where played move is different from leading PV move
5336 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5337 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5338 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5339 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5340 endPV += 2; // if position different, keep this
5341 moveList[endPV-1][0] = fromX + AAA;
5342 moveList[endPV-1][1] = fromY + ONE;
5343 moveList[endPV-1][2] = toX + AAA;
5344 moveList[endPV-1][3] = toY + ONE;
5345 parseList[endPV-1][0] = NULLCHAR;
5346 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5349 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5350 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5351 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5352 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5353 valid++; // allow comments in PV
5357 if(endPV+1 > framePtr) break; // no space, truncate
5360 CopyBoard(boards[endPV], boards[endPV-1]);
5361 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5362 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5363 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5364 CoordsToAlgebraic(boards[endPV - 1],
5365 PosFlags(endPV - 1),
5366 fromY, fromX, toY, toX, promoChar,
5367 parseList[endPV - 1]);
5369 if(atEnd == 2) return; // used hidden, for PV conversion
5370 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5371 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5372 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5373 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5374 DrawPosition(TRUE, boards[currentMove]);
5378 MultiPV (ChessProgramState *cps)
5379 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5381 for(i=0; i<cps->nrOptions; i++)
5382 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5388 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5390 int startPV, multi, lineStart, origIndex = index;
5391 char *p, buf2[MSG_SIZ];
5393 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5394 lastX = x; lastY = y;
5395 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5396 lineStart = startPV = index;
5397 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5398 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5400 do{ while(buf[index] && buf[index] != '\n') index++;
5401 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5403 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5404 int n = first.option[multi].value;
5405 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5406 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5407 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5408 first.option[multi].value = n;
5412 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5413 *start = startPV; *end = index-1;
5420 static char buf[10*MSG_SIZ];
5421 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5423 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5424 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5425 for(i = forwardMostMove; i<endPV; i++){
5426 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5427 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5430 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5431 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5437 LoadPV (int x, int y)
5438 { // called on right mouse click to load PV
5439 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5440 lastX = x; lastY = y;
5441 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5448 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5449 if(endPV < 0) return;
5451 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5452 Boolean saveAnimate = appData.animate;
5454 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5455 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5456 } else storedGames--; // abandon shelved tail of original game
5459 forwardMostMove = currentMove;
5460 currentMove = oldFMM;
5461 appData.animate = FALSE;
5462 ToNrEvent(forwardMostMove);
5463 appData.animate = saveAnimate;
5465 currentMove = forwardMostMove;
5466 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5467 ClearPremoveHighlights();
5468 DrawPosition(TRUE, boards[currentMove]);
5472 MovePV (int x, int y, int h)
5473 { // step through PV based on mouse coordinates (called on mouse move)
5474 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5476 // we must somehow check if right button is still down (might be released off board!)
5477 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5478 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5479 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5481 lastX = x; lastY = y;
5483 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5484 if(endPV < 0) return;
5485 if(y < margin) step = 1; else
5486 if(y > h - margin) step = -1;
5487 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5488 currentMove += step;
5489 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5490 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5491 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5492 DrawPosition(FALSE, boards[currentMove]);
5496 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5497 // All positions will have equal probability, but the current method will not provide a unique
5498 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5504 int piecesLeft[(int)BlackPawn];
5505 int seed, nrOfShuffles;
5508 GetPositionNumber ()
5509 { // sets global variable seed
5512 seed = appData.defaultFrcPosition;
5513 if(seed < 0) { // randomize based on time for negative FRC position numbers
5514 for(i=0; i<50; i++) seed += random();
5515 seed = random() ^ random() >> 8 ^ random() << 8;
5516 if(seed<0) seed = -seed;
5521 put (Board board, int pieceType, int rank, int n, int shade)
5522 // put the piece on the (n-1)-th empty squares of the given shade
5526 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5527 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5528 board[rank][i] = (ChessSquare) pieceType;
5529 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5531 piecesLeft[pieceType]--;
5540 AddOnePiece (Board board, int pieceType, int rank, int shade)
5541 // calculate where the next piece goes, (any empty square), and put it there
5545 i = seed % squaresLeft[shade];
5546 nrOfShuffles *= squaresLeft[shade];
5547 seed /= squaresLeft[shade];
5548 put(board, pieceType, rank, i, shade);
5552 AddTwoPieces (Board board, int pieceType, int rank)
5553 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5555 int i, n=squaresLeft[ANY], j=n-1, k;
5557 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5558 i = seed % k; // pick one
5561 while(i >= j) i -= j--;
5562 j = n - 1 - j; i += j;
5563 put(board, pieceType, rank, j, ANY);
5564 put(board, pieceType, rank, i, ANY);
5568 SetUpShuffle (Board board, int number)
5572 GetPositionNumber(); nrOfShuffles = 1;
5574 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5575 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5576 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5578 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5580 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5581 p = (int) board[0][i];
5582 if(p < (int) BlackPawn) piecesLeft[p] ++;
5583 board[0][i] = EmptySquare;
5586 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5587 // shuffles restricted to allow normal castling put KRR first
5588 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5589 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5590 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5591 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5592 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5593 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5594 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5595 put(board, WhiteRook, 0, 0, ANY);
5596 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5599 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5600 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5601 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5602 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5603 while(piecesLeft[p] >= 2) {
5604 AddOnePiece(board, p, 0, LITE);
5605 AddOnePiece(board, p, 0, DARK);
5607 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5610 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5611 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5612 // but we leave King and Rooks for last, to possibly obey FRC restriction
5613 if(p == (int)WhiteRook) continue;
5614 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5615 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5618 // now everything is placed, except perhaps King (Unicorn) and Rooks
5620 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5621 // Last King gets castling rights
5622 while(piecesLeft[(int)WhiteUnicorn]) {
5623 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5624 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5627 while(piecesLeft[(int)WhiteKing]) {
5628 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5629 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5634 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5635 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5638 // Only Rooks can be left; simply place them all
5639 while(piecesLeft[(int)WhiteRook]) {
5640 i = put(board, WhiteRook, 0, 0, ANY);
5641 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5644 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5646 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5649 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5650 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5653 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5657 SetCharTable (char *table, const char * map)
5658 /* [HGM] moved here from winboard.c because of its general usefulness */
5659 /* Basically a safe strcpy that uses the last character as King */
5661 int result = FALSE; int NrPieces;
5663 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5664 && NrPieces >= 12 && !(NrPieces&1)) {
5665 int i; /* [HGM] Accept even length from 12 to 34 */
5667 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5668 for( i=0; i<NrPieces/2-1; i++ ) {
5670 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5672 table[(int) WhiteKing] = map[NrPieces/2-1];
5673 table[(int) BlackKing] = map[NrPieces-1];
5682 Prelude (Board board)
5683 { // [HGM] superchess: random selection of exo-pieces
5684 int i, j, k; ChessSquare p;
5685 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5687 GetPositionNumber(); // use FRC position number
5689 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5690 SetCharTable(pieceToChar, appData.pieceToCharTable);
5691 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5692 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5695 j = seed%4; seed /= 4;
5696 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5697 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5698 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5699 j = seed%3 + (seed%3 >= j); seed /= 3;
5700 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5701 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5702 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5703 j = seed%3; seed /= 3;
5704 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5705 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5706 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5707 j = seed%2 + (seed%2 >= j); seed /= 2;
5708 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5709 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5710 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5711 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5712 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5713 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5714 put(board, exoPieces[0], 0, 0, ANY);
5715 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5719 InitPosition (int redraw)
5721 ChessSquare (* pieces)[BOARD_FILES];
5722 int i, j, pawnRow, overrule,
5723 oldx = gameInfo.boardWidth,
5724 oldy = gameInfo.boardHeight,
5725 oldh = gameInfo.holdingsWidth;
5728 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5730 /* [AS] Initialize pv info list [HGM] and game status */
5732 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5733 pvInfoList[i].depth = 0;
5734 boards[i][EP_STATUS] = EP_NONE;
5735 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5738 initialRulePlies = 0; /* 50-move counter start */
5740 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5741 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5745 /* [HGM] logic here is completely changed. In stead of full positions */
5746 /* the initialized data only consist of the two backranks. The switch */
5747 /* selects which one we will use, which is than copied to the Board */
5748 /* initialPosition, which for the rest is initialized by Pawns and */
5749 /* empty squares. This initial position is then copied to boards[0], */
5750 /* possibly after shuffling, so that it remains available. */
5752 gameInfo.holdingsWidth = 0; /* default board sizes */
5753 gameInfo.boardWidth = 8;
5754 gameInfo.boardHeight = 8;
5755 gameInfo.holdingsSize = 0;
5756 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5757 for(i=0; i<BOARD_FILES-2; i++)
5758 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5759 initialPosition[EP_STATUS] = EP_NONE;
5760 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5761 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5762 SetCharTable(pieceNickName, appData.pieceNickNames);
5763 else SetCharTable(pieceNickName, "............");
5766 switch (gameInfo.variant) {
5767 case VariantFischeRandom:
5768 shuffleOpenings = TRUE;
5771 case VariantShatranj:
5772 pieces = ShatranjArray;
5773 nrCastlingRights = 0;
5774 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5777 pieces = makrukArray;
5778 nrCastlingRights = 0;
5779 startedFromSetupPosition = TRUE;
5780 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5782 case VariantTwoKings:
5783 pieces = twoKingsArray;
5786 pieces = GrandArray;
5787 nrCastlingRights = 0;
5788 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5789 gameInfo.boardWidth = 10;
5790 gameInfo.boardHeight = 10;
5791 gameInfo.holdingsSize = 7;
5793 case VariantCapaRandom:
5794 shuffleOpenings = TRUE;
5795 case VariantCapablanca:
5796 pieces = CapablancaArray;
5797 gameInfo.boardWidth = 10;
5798 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5801 pieces = GothicArray;
5802 gameInfo.boardWidth = 10;
5803 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5806 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5807 gameInfo.holdingsSize = 7;
5810 pieces = JanusArray;
5811 gameInfo.boardWidth = 10;
5812 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5813 nrCastlingRights = 6;
5814 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5815 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5816 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5817 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5818 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5819 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5822 pieces = FalconArray;
5823 gameInfo.boardWidth = 10;
5824 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5826 case VariantXiangqi:
5827 pieces = XiangqiArray;
5828 gameInfo.boardWidth = 9;
5829 gameInfo.boardHeight = 10;
5830 nrCastlingRights = 0;
5831 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5834 pieces = ShogiArray;
5835 gameInfo.boardWidth = 9;
5836 gameInfo.boardHeight = 9;
5837 gameInfo.holdingsSize = 7;
5838 nrCastlingRights = 0;
5839 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5841 case VariantCourier:
5842 pieces = CourierArray;
5843 gameInfo.boardWidth = 12;
5844 nrCastlingRights = 0;
5845 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5847 case VariantKnightmate:
5848 pieces = KnightmateArray;
5849 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5851 case VariantSpartan:
5852 pieces = SpartanArray;
5853 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5856 pieces = fairyArray;
5857 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5860 pieces = GreatArray;
5861 gameInfo.boardWidth = 10;
5862 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5863 gameInfo.holdingsSize = 8;
5867 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5868 gameInfo.holdingsSize = 8;
5869 startedFromSetupPosition = TRUE;
5871 case VariantCrazyhouse:
5872 case VariantBughouse:
5874 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5875 gameInfo.holdingsSize = 5;
5877 case VariantWildCastle:
5879 /* !!?shuffle with kings guaranteed to be on d or e file */
5880 shuffleOpenings = 1;
5882 case VariantNoCastle:
5884 nrCastlingRights = 0;
5885 /* !!?unconstrained back-rank shuffle */
5886 shuffleOpenings = 1;
5891 if(appData.NrFiles >= 0) {
5892 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5893 gameInfo.boardWidth = appData.NrFiles;
5895 if(appData.NrRanks >= 0) {
5896 gameInfo.boardHeight = appData.NrRanks;
5898 if(appData.holdingsSize >= 0) {
5899 i = appData.holdingsSize;
5900 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5901 gameInfo.holdingsSize = i;
5903 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5904 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5905 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5907 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5908 if(pawnRow < 1) pawnRow = 1;
5909 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5911 /* User pieceToChar list overrules defaults */
5912 if(appData.pieceToCharTable != NULL)
5913 SetCharTable(pieceToChar, appData.pieceToCharTable);
5915 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5917 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5918 s = (ChessSquare) 0; /* account holding counts in guard band */
5919 for( i=0; i<BOARD_HEIGHT; i++ )
5920 initialPosition[i][j] = s;
5922 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5923 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5924 initialPosition[pawnRow][j] = WhitePawn;
5925 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5926 if(gameInfo.variant == VariantXiangqi) {
5928 initialPosition[pawnRow][j] =
5929 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5930 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5931 initialPosition[2][j] = WhiteCannon;
5932 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5936 if(gameInfo.variant == VariantGrand) {
5937 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5938 initialPosition[0][j] = WhiteRook;
5939 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5942 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5944 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5947 initialPosition[1][j] = WhiteBishop;
5948 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5950 initialPosition[1][j] = WhiteRook;
5951 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5954 if( nrCastlingRights == -1) {
5955 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5956 /* This sets default castling rights from none to normal corners */
5957 /* Variants with other castling rights must set them themselves above */
5958 nrCastlingRights = 6;
5960 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5961 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5962 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5963 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5964 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5965 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5968 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5969 if(gameInfo.variant == VariantGreat) { // promotion commoners
5970 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5971 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5972 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5973 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5975 if( gameInfo.variant == VariantSChess ) {
5976 initialPosition[1][0] = BlackMarshall;
5977 initialPosition[2][0] = BlackAngel;
5978 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5979 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5980 initialPosition[1][1] = initialPosition[2][1] =
5981 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
5983 if (appData.debugMode) {
5984 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
5986 if(shuffleOpenings) {
5987 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
5988 startedFromSetupPosition = TRUE;
5990 if(startedFromPositionFile) {
5991 /* [HGM] loadPos: use PositionFile for every new game */
5992 CopyBoard(initialPosition, filePosition);
5993 for(i=0; i<nrCastlingRights; i++)
5994 initialRights[i] = filePosition[CASTLING][i];
5995 startedFromSetupPosition = TRUE;
5998 CopyBoard(boards[0], initialPosition);
6000 if(oldx != gameInfo.boardWidth ||
6001 oldy != gameInfo.boardHeight ||
6002 oldv != gameInfo.variant ||
6003 oldh != gameInfo.holdingsWidth
6005 InitDrawingSizes(-2 ,0);
6007 oldv = gameInfo.variant;
6009 DrawPosition(TRUE, boards[currentMove]);
6013 SendBoard (ChessProgramState *cps, int moveNum)
6015 char message[MSG_SIZ];
6017 if (cps->useSetboard) {
6018 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6019 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6020 SendToProgram(message, cps);
6025 int i, j, left=0, right=BOARD_WIDTH;
6026 /* Kludge to set black to move, avoiding the troublesome and now
6027 * deprecated "black" command.
6029 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6030 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6032 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6034 SendToProgram("edit\n", cps);
6035 SendToProgram("#\n", cps);
6036 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6037 bp = &boards[moveNum][i][left];
6038 for (j = left; j < right; j++, bp++) {
6039 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6040 if ((int) *bp < (int) BlackPawn) {
6041 if(j == BOARD_RGHT+1)
6042 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6043 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6044 if(message[0] == '+' || message[0] == '~') {
6045 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6046 PieceToChar((ChessSquare)(DEMOTED *bp)),
6049 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6050 message[1] = BOARD_RGHT - 1 - j + '1';
6051 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6053 SendToProgram(message, cps);
6058 SendToProgram("c\n", cps);
6059 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6060 bp = &boards[moveNum][i][left];
6061 for (j = left; j < right; j++, bp++) {
6062 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6063 if (((int) *bp != (int) EmptySquare)
6064 && ((int) *bp >= (int) BlackPawn)) {
6065 if(j == BOARD_LEFT-2)
6066 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6067 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6069 if(message[0] == '+' || message[0] == '~') {
6070 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6071 PieceToChar((ChessSquare)(DEMOTED *bp)),
6074 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6075 message[1] = BOARD_RGHT - 1 - j + '1';
6076 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6078 SendToProgram(message, cps);
6083 SendToProgram(".\n", cps);
6085 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6089 DefaultPromoChoice (int white)
6092 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6093 result = WhiteFerz; // no choice
6094 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6095 result= WhiteKing; // in Suicide Q is the last thing we want
6096 else if(gameInfo.variant == VariantSpartan)
6097 result = white ? WhiteQueen : WhiteAngel;
6098 else result = WhiteQueen;
6099 if(!white) result = WHITE_TO_BLACK result;
6103 static int autoQueen; // [HGM] oneclick
6106 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6108 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6109 /* [HGM] add Shogi promotions */
6110 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6115 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6116 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6118 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6119 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6122 piece = boards[currentMove][fromY][fromX];
6123 if(gameInfo.variant == VariantShogi) {
6124 promotionZoneSize = BOARD_HEIGHT/3;
6125 highestPromotingPiece = (int)WhiteFerz;
6126 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6127 promotionZoneSize = 3;
6130 // Treat Lance as Pawn when it is not representing Amazon
6131 if(gameInfo.variant != VariantSuper) {
6132 if(piece == WhiteLance) piece = WhitePawn; else
6133 if(piece == BlackLance) piece = BlackPawn;
6136 // next weed out all moves that do not touch the promotion zone at all
6137 if((int)piece >= BlackPawn) {
6138 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6140 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6142 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6143 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6146 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6148 // weed out mandatory Shogi promotions
6149 if(gameInfo.variant == VariantShogi) {
6150 if(piece >= BlackPawn) {
6151 if(toY == 0 && piece == BlackPawn ||
6152 toY == 0 && piece == BlackQueen ||
6153 toY <= 1 && piece == BlackKnight) {
6158 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6159 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6160 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6167 // weed out obviously illegal Pawn moves
6168 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6169 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6170 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6171 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6172 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6173 // note we are not allowed to test for valid (non-)capture, due to premove
6176 // we either have a choice what to promote to, or (in Shogi) whether to promote
6177 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6178 *promoChoice = PieceToChar(BlackFerz); // no choice
6181 // no sense asking what we must promote to if it is going to explode...
6182 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6183 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6186 // give caller the default choice even if we will not make it
6187 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6188 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6189 if( sweepSelect && gameInfo.variant != VariantGreat
6190 && gameInfo.variant != VariantGrand
6191 && gameInfo.variant != VariantSuper) return FALSE;
6192 if(autoQueen) return FALSE; // predetermined
6194 // suppress promotion popup on illegal moves that are not premoves
6195 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6196 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6197 if(appData.testLegality && !premove) {
6198 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6199 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6200 if(moveType != WhitePromotion && moveType != BlackPromotion)
6208 InPalace (int row, int column)
6209 { /* [HGM] for Xiangqi */
6210 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6211 column < (BOARD_WIDTH + 4)/2 &&
6212 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6217 PieceForSquare (int x, int y)
6219 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6222 return boards[currentMove][y][x];
6226 OKToStartUserMove (int x, int y)
6228 ChessSquare from_piece;
6231 if (matchMode) return FALSE;
6232 if (gameMode == EditPosition) return TRUE;
6234 if (x >= 0 && y >= 0)
6235 from_piece = boards[currentMove][y][x];
6237 from_piece = EmptySquare;
6239 if (from_piece == EmptySquare) return FALSE;
6241 white_piece = (int)from_piece >= (int)WhitePawn &&
6242 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6246 case TwoMachinesPlay:
6254 case MachinePlaysWhite:
6255 case IcsPlayingBlack:
6256 if (appData.zippyPlay) return FALSE;
6258 DisplayMoveError(_("You are playing Black"));
6263 case MachinePlaysBlack:
6264 case IcsPlayingWhite:
6265 if (appData.zippyPlay) return FALSE;
6267 DisplayMoveError(_("You are playing White"));
6272 case PlayFromGameFile:
6273 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6275 if (!white_piece && WhiteOnMove(currentMove)) {
6276 DisplayMoveError(_("It is White's turn"));
6279 if (white_piece && !WhiteOnMove(currentMove)) {
6280 DisplayMoveError(_("It is Black's turn"));
6283 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6284 /* Editing correspondence game history */
6285 /* Could disallow this or prompt for confirmation */
6290 case BeginningOfGame:
6291 if (appData.icsActive) return FALSE;
6292 if (!appData.noChessProgram) {
6294 DisplayMoveError(_("You are playing White"));
6301 if (!white_piece && WhiteOnMove(currentMove)) {
6302 DisplayMoveError(_("It is White's turn"));
6305 if (white_piece && !WhiteOnMove(currentMove)) {
6306 DisplayMoveError(_("It is Black's turn"));
6315 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6316 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6317 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6318 && gameMode != AnalyzeFile && gameMode != Training) {
6319 DisplayMoveError(_("Displayed position is not current"));
6326 OnlyMove (int *x, int *y, Boolean captures)
6328 DisambiguateClosure cl;
6329 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6331 case MachinePlaysBlack:
6332 case IcsPlayingWhite:
6333 case BeginningOfGame:
6334 if(!WhiteOnMove(currentMove)) return FALSE;
6336 case MachinePlaysWhite:
6337 case IcsPlayingBlack:
6338 if(WhiteOnMove(currentMove)) return FALSE;
6345 cl.pieceIn = EmptySquare;
6350 cl.promoCharIn = NULLCHAR;
6351 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6352 if( cl.kind == NormalMove ||
6353 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6354 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6355 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6362 if(cl.kind != ImpossibleMove) return FALSE;
6363 cl.pieceIn = EmptySquare;
6368 cl.promoCharIn = NULLCHAR;
6369 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6370 if( cl.kind == NormalMove ||
6371 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6372 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6373 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6378 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6384 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6385 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6386 int lastLoadGameUseList = FALSE;
6387 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6388 ChessMove lastLoadGameStart = EndOfFile;
6391 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6394 ChessSquare pdown, pup;
6396 /* Check if the user is playing in turn. This is complicated because we
6397 let the user "pick up" a piece before it is his turn. So the piece he
6398 tried to pick up may have been captured by the time he puts it down!
6399 Therefore we use the color the user is supposed to be playing in this
6400 test, not the color of the piece that is currently on the starting
6401 square---except in EditGame mode, where the user is playing both
6402 sides; fortunately there the capture race can't happen. (It can
6403 now happen in IcsExamining mode, but that's just too bad. The user
6404 will get a somewhat confusing message in that case.)
6409 case TwoMachinesPlay:
6413 /* We switched into a game mode where moves are not accepted,
6414 perhaps while the mouse button was down. */
6417 case MachinePlaysWhite:
6418 /* User is moving for Black */
6419 if (WhiteOnMove(currentMove)) {
6420 DisplayMoveError(_("It is White's turn"));
6425 case MachinePlaysBlack:
6426 /* User is moving for White */
6427 if (!WhiteOnMove(currentMove)) {
6428 DisplayMoveError(_("It is Black's turn"));
6433 case PlayFromGameFile:
6434 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6437 case BeginningOfGame:
6440 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6441 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6442 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6443 /* User is moving for Black */
6444 if (WhiteOnMove(currentMove)) {
6445 DisplayMoveError(_("It is White's turn"));
6449 /* User is moving for White */
6450 if (!WhiteOnMove(currentMove)) {
6451 DisplayMoveError(_("It is Black's turn"));
6457 case IcsPlayingBlack:
6458 /* User is moving for Black */
6459 if (WhiteOnMove(currentMove)) {
6460 if (!appData.premove) {
6461 DisplayMoveError(_("It is White's turn"));
6462 } else if (toX >= 0 && toY >= 0) {
6465 premoveFromX = fromX;
6466 premoveFromY = fromY;
6467 premovePromoChar = promoChar;
6469 if (appData.debugMode)
6470 fprintf(debugFP, "Got premove: fromX %d,"
6471 "fromY %d, toX %d, toY %d\n",
6472 fromX, fromY, toX, toY);
6478 case IcsPlayingWhite:
6479 /* User is moving for White */
6480 if (!WhiteOnMove(currentMove)) {
6481 if (!appData.premove) {
6482 DisplayMoveError(_("It is Black's turn"));
6483 } else if (toX >= 0 && toY >= 0) {
6486 premoveFromX = fromX;
6487 premoveFromY = fromY;
6488 premovePromoChar = promoChar;
6490 if (appData.debugMode)
6491 fprintf(debugFP, "Got premove: fromX %d,"
6492 "fromY %d, toX %d, toY %d\n",
6493 fromX, fromY, toX, toY);
6503 /* EditPosition, empty square, or different color piece;
6504 click-click move is possible */
6505 if (toX == -2 || toY == -2) {
6506 boards[0][fromY][fromX] = EmptySquare;
6507 DrawPosition(FALSE, boards[currentMove]);
6509 } else if (toX >= 0 && toY >= 0) {
6510 boards[0][toY][toX] = boards[0][fromY][fromX];
6511 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6512 if(boards[0][fromY][0] != EmptySquare) {
6513 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6514 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6517 if(fromX == BOARD_RGHT+1) {
6518 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6519 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6520 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6523 boards[0][fromY][fromX] = EmptySquare;
6524 DrawPosition(FALSE, boards[currentMove]);
6530 if(toX < 0 || toY < 0) return;
6531 pdown = boards[currentMove][fromY][fromX];
6532 pup = boards[currentMove][toY][toX];
6534 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6535 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6536 if( pup != EmptySquare ) return;
6537 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6538 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6539 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6540 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6541 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6542 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6543 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6547 /* [HGM] always test for legality, to get promotion info */
6548 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6549 fromY, fromX, toY, toX, promoChar);
6551 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6553 /* [HGM] but possibly ignore an IllegalMove result */
6554 if (appData.testLegality) {
6555 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6556 DisplayMoveError(_("Illegal move"));
6561 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6564 /* Common tail of UserMoveEvent and DropMenuEvent */
6566 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6570 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6571 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6572 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6573 if(WhiteOnMove(currentMove)) {
6574 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6576 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6580 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6581 move type in caller when we know the move is a legal promotion */
6582 if(moveType == NormalMove && promoChar)
6583 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6585 /* [HGM] <popupFix> The following if has been moved here from
6586 UserMoveEvent(). Because it seemed to belong here (why not allow
6587 piece drops in training games?), and because it can only be
6588 performed after it is known to what we promote. */
6589 if (gameMode == Training) {
6590 /* compare the move played on the board to the next move in the
6591 * game. If they match, display the move and the opponent's response.
6592 * If they don't match, display an error message.
6596 CopyBoard(testBoard, boards[currentMove]);
6597 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6599 if (CompareBoards(testBoard, boards[currentMove+1])) {
6600 ForwardInner(currentMove+1);
6602 /* Autoplay the opponent's response.
6603 * if appData.animate was TRUE when Training mode was entered,
6604 * the response will be animated.
6606 saveAnimate = appData.animate;
6607 appData.animate = animateTraining;
6608 ForwardInner(currentMove+1);
6609 appData.animate = saveAnimate;
6611 /* check for the end of the game */
6612 if (currentMove >= forwardMostMove) {
6613 gameMode = PlayFromGameFile;
6615 SetTrainingModeOff();
6616 DisplayInformation(_("End of game"));
6619 DisplayError(_("Incorrect move"), 0);
6624 /* Ok, now we know that the move is good, so we can kill
6625 the previous line in Analysis Mode */
6626 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6627 && currentMove < forwardMostMove) {
6628 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6629 else forwardMostMove = currentMove;
6632 /* If we need the chess program but it's dead, restart it */
6633 ResurrectChessProgram();
6635 /* A user move restarts a paused game*/
6639 thinkOutput[0] = NULLCHAR;
6641 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6643 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6644 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6648 if (gameMode == BeginningOfGame) {
6649 if (appData.noChessProgram) {
6650 gameMode = EditGame;
6654 gameMode = MachinePlaysBlack;
6657 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6659 if (first.sendName) {
6660 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6661 SendToProgram(buf, &first);
6668 /* Relay move to ICS or chess engine */
6669 if (appData.icsActive) {
6670 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6671 gameMode == IcsExamining) {
6672 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6673 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6675 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6677 // also send plain move, in case ICS does not understand atomic claims
6678 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6682 if (first.sendTime && (gameMode == BeginningOfGame ||
6683 gameMode == MachinePlaysWhite ||
6684 gameMode == MachinePlaysBlack)) {
6685 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6687 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6688 // [HGM] book: if program might be playing, let it use book
6689 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6690 first.maybeThinking = TRUE;
6691 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6692 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6693 SendBoard(&first, currentMove+1);
6694 } else SendMoveToProgram(forwardMostMove-1, &first);
6695 if (currentMove == cmailOldMove + 1) {
6696 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6700 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6704 if(appData.testLegality)
6705 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6711 if (WhiteOnMove(currentMove)) {
6712 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6714 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6718 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6723 case MachinePlaysBlack:
6724 case MachinePlaysWhite:
6725 /* disable certain menu options while machine is thinking */
6726 SetMachineThinkingEnables();
6733 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6734 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6736 if(bookHit) { // [HGM] book: simulate book reply
6737 static char bookMove[MSG_SIZ]; // a bit generous?
6739 programStats.nodes = programStats.depth = programStats.time =
6740 programStats.score = programStats.got_only_move = 0;
6741 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6743 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6744 strcat(bookMove, bookHit);
6745 HandleMachineMove(bookMove, &first);
6751 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6753 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6754 Markers *m = (Markers *) closure;
6755 if(rf == fromY && ff == fromX)
6756 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6757 || kind == WhiteCapturesEnPassant
6758 || kind == BlackCapturesEnPassant);
6759 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6763 MarkTargetSquares (int clear)
6766 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6767 !appData.testLegality || gameMode == EditPosition) return;
6769 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6772 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6773 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6774 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6776 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6779 DrawPosition(TRUE, NULL);
6783 Explode (Board board, int fromX, int fromY, int toX, int toY)
6785 if(gameInfo.variant == VariantAtomic &&
6786 (board[toY][toX] != EmptySquare || // capture?
6787 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6788 board[fromY][fromX] == BlackPawn )
6790 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6796 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6799 CanPromote (ChessSquare piece, int y)
6801 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6802 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6803 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6804 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6805 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6806 gameInfo.variant == VariantMakruk) return FALSE;
6807 return (piece == BlackPawn && y == 1 ||
6808 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6809 piece == BlackLance && y == 1 ||
6810 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6814 LeftClick (ClickType clickType, int xPix, int yPix)
6817 Boolean saveAnimate;
6818 static int second = 0, promotionChoice = 0, clearFlag = 0;
6819 char promoChoice = NULLCHAR;
6822 if(appData.seekGraph && appData.icsActive && loggedOn &&
6823 (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
6824 SeekGraphClick(clickType, xPix, yPix, 0);
6828 if (clickType == Press) ErrorPopDown();
6830 x = EventToSquare(xPix, BOARD_WIDTH);
6831 y = EventToSquare(yPix, BOARD_HEIGHT);
6832 if (!flipView && y >= 0) {
6833 y = BOARD_HEIGHT - 1 - y;
6835 if (flipView && x >= 0) {
6836 x = BOARD_WIDTH - 1 - x;
6839 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6840 defaultPromoChoice = promoSweep;
6841 promoSweep = EmptySquare; // terminate sweep
6842 promoDefaultAltered = TRUE;
6843 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6846 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6847 if(clickType == Release) return; // ignore upclick of click-click destination
6848 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6849 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6850 if(gameInfo.holdingsWidth &&
6851 (WhiteOnMove(currentMove)
6852 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6853 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6854 // click in right holdings, for determining promotion piece
6855 ChessSquare p = boards[currentMove][y][x];
6856 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6857 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6858 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6859 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6864 DrawPosition(FALSE, boards[currentMove]);
6868 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6869 if(clickType == Press
6870 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6871 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6872 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6875 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered)
6876 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6878 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6879 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6880 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6881 defaultPromoChoice = DefaultPromoChoice(side);
6884 autoQueen = appData.alwaysPromoteToQueen;
6888 gatingPiece = EmptySquare;
6889 if (clickType != Press) {
6890 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6891 DragPieceEnd(xPix, yPix); dragging = 0;
6892 DrawPosition(FALSE, NULL);
6896 fromX = x; fromY = y; toX = toY = -1;
6897 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6898 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6899 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6901 if (OKToStartUserMove(fromX, fromY)) {
6903 MarkTargetSquares(0);
6904 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6905 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6906 promoSweep = defaultPromoChoice;
6907 selectFlag = 0; lastX = xPix; lastY = yPix;
6908 Sweep(0); // Pawn that is going to promote: preview promotion piece
6909 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6911 if (appData.highlightDragging) {
6912 SetHighlights(fromX, fromY, -1, -1);
6914 } else fromX = fromY = -1;
6920 if (clickType == Press && gameMode != EditPosition) {
6925 // ignore off-board to clicks
6926 if(y < 0 || x < 0) return;
6928 /* Check if clicking again on the same color piece */
6929 fromP = boards[currentMove][fromY][fromX];
6930 toP = boards[currentMove][y][x];
6931 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6932 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6933 WhitePawn <= toP && toP <= WhiteKing &&
6934 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6935 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6936 (BlackPawn <= fromP && fromP <= BlackKing &&
6937 BlackPawn <= toP && toP <= BlackKing &&
6938 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6939 !(fromP == BlackKing && toP == BlackRook && frc))) {
6940 /* Clicked again on same color piece -- changed his mind */
6941 second = (x == fromX && y == fromY);
6942 promoDefaultAltered = FALSE;
6943 MarkTargetSquares(1);
6944 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
6945 if (appData.highlightDragging) {
6946 SetHighlights(x, y, -1, -1);
6950 if (OKToStartUserMove(x, y)) {
6951 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
6952 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
6953 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
6954 gatingPiece = boards[currentMove][fromY][fromX];
6955 else gatingPiece = EmptySquare;
6957 fromY = y; dragging = 1;
6958 MarkTargetSquares(0);
6959 DragPieceBegin(xPix, yPix, FALSE);
6960 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
6961 promoSweep = defaultPromoChoice;
6962 selectFlag = 0; lastX = xPix; lastY = yPix;
6963 Sweep(0); // Pawn that is going to promote: preview promotion piece
6967 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
6970 // ignore clicks on holdings
6971 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
6974 if (clickType == Release && x == fromX && y == fromY) {
6975 DragPieceEnd(xPix, yPix); dragging = 0;
6977 // a deferred attempt to click-click move an empty square on top of a piece
6978 boards[currentMove][y][x] = EmptySquare;
6980 DrawPosition(FALSE, boards[currentMove]);
6981 fromX = fromY = -1; clearFlag = 0;
6984 if (appData.animateDragging) {
6985 /* Undo animation damage if any */
6986 DrawPosition(FALSE, NULL);
6989 /* Second up/down in same square; just abort move */
6992 gatingPiece = EmptySquare;
6995 ClearPremoveHighlights();
6997 /* First upclick in same square; start click-click mode */
6998 SetHighlights(x, y, -1, -1);
7005 /* we now have a different from- and (possibly off-board) to-square */
7006 /* Completed move */
7009 saveAnimate = appData.animate;
7010 MarkTargetSquares(1);
7011 if (clickType == Press) {
7012 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7013 // must be Edit Position mode with empty-square selected
7014 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7015 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7018 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7019 ChessSquare piece = boards[currentMove][fromY][fromX];
7020 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7021 promoSweep = defaultPromoChoice;
7022 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7023 selectFlag = 0; lastX = xPix; lastY = yPix;
7024 Sweep(0); // Pawn that is going to promote: preview promotion piece
7025 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7026 DrawPosition(FALSE, boards[currentMove]);
7029 /* Finish clickclick move */
7030 if (appData.animate || appData.highlightLastMove) {
7031 SetHighlights(fromX, fromY, toX, toY);
7036 /* Finish drag move */
7037 if (appData.highlightLastMove) {
7038 SetHighlights(fromX, fromY, toX, toY);
7042 DragPieceEnd(xPix, yPix); dragging = 0;
7043 /* Don't animate move and drag both */
7044 appData.animate = FALSE;
7047 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7048 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7049 ChessSquare piece = boards[currentMove][fromY][fromX];
7050 if(gameMode == EditPosition && piece != EmptySquare &&
7051 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7054 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7055 n = PieceToNumber(piece - (int)BlackPawn);
7056 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7057 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7058 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7060 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7061 n = PieceToNumber(piece);
7062 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7063 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7064 boards[currentMove][n][BOARD_WIDTH-2]++;
7066 boards[currentMove][fromY][fromX] = EmptySquare;
7070 DrawPosition(TRUE, boards[currentMove]);
7074 // off-board moves should not be highlighted
7075 if(x < 0 || y < 0) ClearHighlights();
7077 if(gatingPiece != EmptySquare) promoChoice = ToLower(PieceToChar(gatingPiece));
7079 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7080 SetHighlights(fromX, fromY, toX, toY);
7081 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7082 // [HGM] super: promotion to captured piece selected from holdings
7083 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7084 promotionChoice = TRUE;
7085 // kludge follows to temporarily execute move on display, without promoting yet
7086 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7087 boards[currentMove][toY][toX] = p;
7088 DrawPosition(FALSE, boards[currentMove]);
7089 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7090 boards[currentMove][toY][toX] = q;
7091 DisplayMessage("Click in holdings to choose piece", "");
7096 int oldMove = currentMove;
7097 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7098 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7099 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7100 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7101 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7102 DrawPosition(TRUE, boards[currentMove]);
7105 appData.animate = saveAnimate;
7106 if (appData.animate || appData.animateDragging) {
7107 /* Undo animation damage if needed */
7108 DrawPosition(FALSE, NULL);
7113 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7114 { // front-end-free part taken out of PieceMenuPopup
7115 int whichMenu; int xSqr, ySqr;
7117 if(seekGraphUp) { // [HGM] seekgraph
7118 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7119 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7123 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7124 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7125 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7126 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7127 if(action == Press) {
7128 originalFlip = flipView;
7129 flipView = !flipView; // temporarily flip board to see game from partners perspective
7130 DrawPosition(TRUE, partnerBoard);
7131 DisplayMessage(partnerStatus, "");
7133 } else if(action == Release) {
7134 flipView = originalFlip;
7135 DrawPosition(TRUE, boards[currentMove]);
7141 xSqr = EventToSquare(x, BOARD_WIDTH);
7142 ySqr = EventToSquare(y, BOARD_HEIGHT);
7143 if (action == Release) {
7144 if(pieceSweep != EmptySquare) {
7145 EditPositionMenuEvent(pieceSweep, toX, toY);
7146 pieceSweep = EmptySquare;
7147 } else UnLoadPV(); // [HGM] pv
7149 if (action != Press) return -2; // return code to be ignored
7152 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7154 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7155 if (xSqr < 0 || ySqr < 0) return -1;
7156 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7157 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7158 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7159 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7163 if(!appData.icsEngineAnalyze) return -1;
7164 case IcsPlayingWhite:
7165 case IcsPlayingBlack:
7166 if(!appData.zippyPlay) goto noZip;
7169 case MachinePlaysWhite:
7170 case MachinePlaysBlack:
7171 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7172 if (!appData.dropMenu) {
7174 return 2; // flag front-end to grab mouse events
7176 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7177 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7180 if (xSqr < 0 || ySqr < 0) return -1;
7181 if (!appData.dropMenu || appData.testLegality &&
7182 gameInfo.variant != VariantBughouse &&
7183 gameInfo.variant != VariantCrazyhouse) return -1;
7184 whichMenu = 1; // drop menu
7190 if (((*fromX = xSqr) < 0) ||
7191 ((*fromY = ySqr) < 0)) {
7192 *fromX = *fromY = -1;
7196 *fromX = BOARD_WIDTH - 1 - *fromX;
7198 *fromY = BOARD_HEIGHT - 1 - *fromY;
7204 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7206 // char * hint = lastHint;
7207 FrontEndProgramStats stats;
7209 stats.which = cps == &first ? 0 : 1;
7210 stats.depth = cpstats->depth;
7211 stats.nodes = cpstats->nodes;
7212 stats.score = cpstats->score;
7213 stats.time = cpstats->time;
7214 stats.pv = cpstats->movelist;
7215 stats.hint = lastHint;
7216 stats.an_move_index = 0;
7217 stats.an_move_count = 0;
7219 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7220 stats.hint = cpstats->move_name;
7221 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7222 stats.an_move_count = cpstats->nr_moves;
7225 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
7227 SetProgramStats( &stats );
7231 ClearEngineOutputPane (int which)
7233 static FrontEndProgramStats dummyStats;
7234 dummyStats.which = which;
7235 dummyStats.pv = "#";
7236 SetProgramStats( &dummyStats );
7239 #define MAXPLAYERS 500
7242 TourneyStandings (int display)
7244 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7245 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7246 char result, *p, *names[MAXPLAYERS];
7248 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7249 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7250 names[0] = p = strdup(appData.participants);
7251 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7253 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7255 while(result = appData.results[nr]) {
7256 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7257 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7258 wScore = bScore = 0;
7260 case '+': wScore = 2; break;
7261 case '-': bScore = 2; break;
7262 case '=': wScore = bScore = 1; break;
7264 case '*': return strdup("busy"); // tourney not finished
7272 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7273 for(w=0; w<nPlayers; w++) {
7275 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7276 ranking[w] = b; points[w] = bScore; score[b] = -2;
7278 p = malloc(nPlayers*34+1);
7279 for(w=0; w<nPlayers && w<display; w++)
7280 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7286 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7287 { // count all piece types
7289 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7290 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7291 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7294 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7295 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7296 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7297 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7298 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7299 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7304 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7306 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7307 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7309 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7310 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7311 if(myPawns == 2 && nMine == 3) // KPP
7312 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7313 if(myPawns == 1 && nMine == 2) // KP
7314 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7315 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7316 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7317 if(myPawns) return FALSE;
7318 if(pCnt[WhiteRook+side])
7319 return pCnt[BlackRook-side] ||
7320 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7321 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7322 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7323 if(pCnt[WhiteCannon+side]) {
7324 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7325 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7327 if(pCnt[WhiteKnight+side])
7328 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7333 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7335 VariantClass v = gameInfo.variant;
7337 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7338 if(v == VariantShatranj) return TRUE; // always winnable through baring
7339 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7340 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7342 if(v == VariantXiangqi) {
7343 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7345 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7346 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7347 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7348 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7349 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7350 if(stale) // we have at least one last-rank P plus perhaps C
7351 return majors // KPKX
7352 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7354 return pCnt[WhiteFerz+side] // KCAK
7355 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7356 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7357 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7359 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7360 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7362 if(nMine == 1) return FALSE; // bare King
7363 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
7364 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7365 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7366 // by now we have King + 1 piece (or multiple Bishops on the same color)
7367 if(pCnt[WhiteKnight+side])
7368 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7369 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7370 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7372 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7373 if(pCnt[WhiteAlfil+side])
7374 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7375 if(pCnt[WhiteWazir+side])
7376 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7383 CompareWithRights (Board b1, Board b2)
7386 if(!CompareBoards(b1, b2)) return FALSE;
7387 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7388 /* compare castling rights */
7389 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7390 rights++; /* King lost rights, while rook still had them */
7391 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7392 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7393 rights++; /* but at least one rook lost them */
7395 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7397 if( b1[CASTLING][5] != NoRights ) {
7398 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7405 Adjudicate (ChessProgramState *cps)
7406 { // [HGM] some adjudications useful with buggy engines
7407 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7408 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7409 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7410 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7411 int k, count = 0; static int bare = 1;
7412 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7413 Boolean canAdjudicate = !appData.icsActive;
7415 // most tests only when we understand the game, i.e. legality-checking on
7416 if( appData.testLegality )
7417 { /* [HGM] Some more adjudications for obstinate engines */
7418 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7419 static int moveCount = 6;
7421 char *reason = NULL;
7423 /* Count what is on board. */
7424 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7426 /* Some material-based adjudications that have to be made before stalemate test */
7427 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7428 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7429 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7430 if(canAdjudicate && appData.checkMates) {
7432 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7433 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7434 "Xboard adjudication: King destroyed", GE_XBOARD );
7439 /* Bare King in Shatranj (loses) or Losers (wins) */
7440 if( nrW == 1 || nrB == 1) {
7441 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7442 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7443 if(canAdjudicate && appData.checkMates) {
7445 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7446 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7447 "Xboard adjudication: Bare king", GE_XBOARD );
7451 if( gameInfo.variant == VariantShatranj && --bare < 0)
7453 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7454 if(canAdjudicate && appData.checkMates) {
7455 /* but only adjudicate if adjudication enabled */
7457 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7458 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7459 "Xboard adjudication: Bare king", GE_XBOARD );
7466 // don't wait for engine to announce game end if we can judge ourselves
7467 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7469 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7470 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7471 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7472 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7475 reason = "Xboard adjudication: 3rd check";
7476 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7486 reason = "Xboard adjudication: Stalemate";
7487 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7488 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7489 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7490 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7491 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7492 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7493 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7494 EP_CHECKMATE : EP_WINS);
7495 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7496 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7500 reason = "Xboard adjudication: Checkmate";
7501 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7505 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7507 result = GameIsDrawn; break;
7509 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7511 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7515 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7517 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7518 GameEnds( result, reason, GE_XBOARD );
7522 /* Next absolutely insufficient mating material. */
7523 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7524 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7525 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7527 /* always flag draws, for judging claims */
7528 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7530 if(canAdjudicate && appData.materialDraws) {
7531 /* but only adjudicate them if adjudication enabled */
7532 if(engineOpponent) {
7533 SendToProgram("force\n", engineOpponent); // suppress reply
7534 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7536 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7541 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7542 if(gameInfo.variant == VariantXiangqi ?
7543 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7545 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7546 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7547 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7548 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7550 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7551 { /* if the first 3 moves do not show a tactical win, declare draw */
7552 if(engineOpponent) {
7553 SendToProgram("force\n", engineOpponent); // suppress reply
7554 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7556 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7559 } else moveCount = 6;
7562 // Repetition draws and 50-move rule can be applied independently of legality testing
7564 /* Check for rep-draws */
7566 for(k = forwardMostMove-2;
7567 k>=backwardMostMove && k>=forwardMostMove-100 &&
7568 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7569 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7572 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7573 /* compare castling rights */
7574 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7575 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7576 rights++; /* King lost rights, while rook still had them */
7577 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7578 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7579 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7580 rights++; /* but at least one rook lost them */
7582 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7583 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7585 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7586 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7587 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7590 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7591 && appData.drawRepeats > 1) {
7592 /* adjudicate after user-specified nr of repeats */
7593 int result = GameIsDrawn;
7594 char *details = "XBoard adjudication: repetition draw";
7595 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7596 // [HGM] xiangqi: check for forbidden perpetuals
7597 int m, ourPerpetual = 1, hisPerpetual = 1;
7598 for(m=forwardMostMove; m>k; m-=2) {
7599 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7600 ourPerpetual = 0; // the current mover did not always check
7601 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7602 hisPerpetual = 0; // the opponent did not always check
7604 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7605 ourPerpetual, hisPerpetual);
7606 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7607 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7608 details = "Xboard adjudication: perpetual checking";
7610 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7611 break; // (or we would have caught him before). Abort repetition-checking loop.
7613 // Now check for perpetual chases
7614 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7615 hisPerpetual = PerpetualChase(k, forwardMostMove);
7616 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7617 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7618 static char resdet[MSG_SIZ];
7619 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7621 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7623 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7624 break; // Abort repetition-checking loop.
7626 // if neither of us is checking or chasing all the time, or both are, it is draw
7628 if(engineOpponent) {
7629 SendToProgram("force\n", engineOpponent); // suppress reply
7630 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7632 GameEnds( result, details, GE_XBOARD );
7635 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7636 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7640 /* Now we test for 50-move draws. Determine ply count */
7641 count = forwardMostMove;
7642 /* look for last irreversble move */
7643 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7645 /* if we hit starting position, add initial plies */
7646 if( count == backwardMostMove )
7647 count -= initialRulePlies;
7648 count = forwardMostMove - count;
7649 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7650 // adjust reversible move counter for checks in Xiangqi
7651 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7652 if(i < backwardMostMove) i = backwardMostMove;
7653 while(i <= forwardMostMove) {
7654 lastCheck = inCheck; // check evasion does not count
7655 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7656 if(inCheck || lastCheck) count--; // check does not count
7661 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7662 /* this is used to judge if draw claims are legal */
7663 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7664 if(engineOpponent) {
7665 SendToProgram("force\n", engineOpponent); // suppress reply
7666 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7668 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7672 /* if draw offer is pending, treat it as a draw claim
7673 * when draw condition present, to allow engines a way to
7674 * claim draws before making their move to avoid a race
7675 * condition occurring after their move
7677 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7679 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7680 p = "Draw claim: 50-move rule";
7681 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7682 p = "Draw claim: 3-fold repetition";
7683 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7684 p = "Draw claim: insufficient mating material";
7685 if( p != NULL && canAdjudicate) {
7686 if(engineOpponent) {
7687 SendToProgram("force\n", engineOpponent); // suppress reply
7688 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7690 GameEnds( GameIsDrawn, p, GE_XBOARD );
7695 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7696 if(engineOpponent) {
7697 SendToProgram("force\n", engineOpponent); // suppress reply
7698 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7700 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7707 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7708 { // [HGM] book: this routine intercepts moves to simulate book replies
7709 char *bookHit = NULL;
7711 //first determine if the incoming move brings opponent into his book
7712 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7713 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7714 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7715 if(bookHit != NULL && !cps->bookSuspend) {
7716 // make sure opponent is not going to reply after receiving move to book position
7717 SendToProgram("force\n", cps);
7718 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7720 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7721 // now arrange restart after book miss
7723 // after a book hit we never send 'go', and the code after the call to this routine
7724 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7725 char buf[MSG_SIZ], *move = bookHit;
7727 int fromX, fromY, toX, toY;
7731 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7732 &fromX, &fromY, &toX, &toY, &promoChar)) {
7733 (void) CoordsToAlgebraic(boards[forwardMostMove],
7734 PosFlags(forwardMostMove),
7735 fromY, fromX, toY, toX, promoChar, move);
7737 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7741 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7742 SendToProgram(buf, cps);
7743 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7744 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7745 SendToProgram("go\n", cps);
7746 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7747 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7748 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7749 SendToProgram("go\n", cps);
7750 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7752 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7756 ChessProgramState *savedState;
7758 DeferredBookMove (void)
7760 if(savedState->lastPing != savedState->lastPong)
7761 ScheduleDelayedEvent(DeferredBookMove, 10);
7763 HandleMachineMove(savedMessage, savedState);
7766 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7769 HandleMachineMove (char *message, ChessProgramState *cps)
7771 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7772 char realname[MSG_SIZ];
7773 int fromX, fromY, toX, toY;
7780 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7781 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7782 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7783 DisplayError(_("Invalid pairing from pairing engine"), 0);
7786 pairingReceived = 1;
7788 return; // Skim the pairing messages here.
7793 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7795 * Kludge to ignore BEL characters
7797 while (*message == '\007') message++;
7800 * [HGM] engine debug message: ignore lines starting with '#' character
7802 if(cps->debug && *message == '#') return;
7805 * Look for book output
7807 if (cps == &first && bookRequested) {
7808 if (message[0] == '\t' || message[0] == ' ') {
7809 /* Part of the book output is here; append it */
7810 strcat(bookOutput, message);
7811 strcat(bookOutput, " \n");
7813 } else if (bookOutput[0] != NULLCHAR) {
7814 /* All of book output has arrived; display it */
7815 char *p = bookOutput;
7816 while (*p != NULLCHAR) {
7817 if (*p == '\t') *p = ' ';
7820 DisplayInformation(bookOutput);
7821 bookRequested = FALSE;
7822 /* Fall through to parse the current output */
7827 * Look for machine move.
7829 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7830 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7832 /* This method is only useful on engines that support ping */
7833 if (cps->lastPing != cps->lastPong) {
7834 if (gameMode == BeginningOfGame) {
7835 /* Extra move from before last new; ignore */
7836 if (appData.debugMode) {
7837 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7840 if (appData.debugMode) {
7841 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7842 cps->which, gameMode);
7845 SendToProgram("undo\n", cps);
7851 case BeginningOfGame:
7852 /* Extra move from before last reset; ignore */
7853 if (appData.debugMode) {
7854 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7861 /* Extra move after we tried to stop. The mode test is
7862 not a reliable way of detecting this problem, but it's
7863 the best we can do on engines that don't support ping.
7865 if (appData.debugMode) {
7866 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7867 cps->which, gameMode);
7869 SendToProgram("undo\n", cps);
7872 case MachinePlaysWhite:
7873 case IcsPlayingWhite:
7874 machineWhite = TRUE;
7877 case MachinePlaysBlack:
7878 case IcsPlayingBlack:
7879 machineWhite = FALSE;
7882 case TwoMachinesPlay:
7883 machineWhite = (cps->twoMachinesColor[0] == 'w');
7886 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7887 if (appData.debugMode) {
7889 "Ignoring move out of turn by %s, gameMode %d"
7890 ", forwardMost %d\n",
7891 cps->which, gameMode, forwardMostMove);
7896 if(cps->alphaRank) AlphaRank(machineMove, 4);
7897 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7898 &fromX, &fromY, &toX, &toY, &promoChar)) {
7899 /* Machine move could not be parsed; ignore it. */
7900 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7901 machineMove, _(cps->which));
7902 DisplayError(buf1, 0);
7903 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7904 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7905 if (gameMode == TwoMachinesPlay) {
7906 GameEnds(machineWhite ? BlackWins : WhiteWins,
7912 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7913 /* So we have to redo legality test with true e.p. status here, */
7914 /* to make sure an illegal e.p. capture does not slip through, */
7915 /* to cause a forfeit on a justified illegal-move complaint */
7916 /* of the opponent. */
7917 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7919 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7920 fromY, fromX, toY, toX, promoChar);
7921 if(moveType == IllegalMove) {
7922 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7923 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7924 GameEnds(machineWhite ? BlackWins : WhiteWins,
7927 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7928 /* [HGM] Kludge to handle engines that send FRC-style castling
7929 when they shouldn't (like TSCP-Gothic) */
7931 case WhiteASideCastleFR:
7932 case BlackASideCastleFR:
7934 currentMoveString[2]++;
7936 case WhiteHSideCastleFR:
7937 case BlackHSideCastleFR:
7939 currentMoveString[2]--;
7941 default: ; // nothing to do, but suppresses warning of pedantic compilers
7944 hintRequested = FALSE;
7945 lastHint[0] = NULLCHAR;
7946 bookRequested = FALSE;
7947 /* Program may be pondering now */
7948 cps->maybeThinking = TRUE;
7949 if (cps->sendTime == 2) cps->sendTime = 1;
7950 if (cps->offeredDraw) cps->offeredDraw--;
7952 /* [AS] Save move info*/
7953 pvInfoList[ forwardMostMove ].score = programStats.score;
7954 pvInfoList[ forwardMostMove ].depth = programStats.depth;
7955 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
7957 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
7959 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
7960 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
7963 while( count < adjudicateLossPlies ) {
7964 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
7967 score = -score; /* Flip score for winning side */
7970 if( score > adjudicateLossThreshold ) {
7977 if( count >= adjudicateLossPlies ) {
7978 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7980 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7981 "Xboard adjudication",
7988 if(Adjudicate(cps)) {
7989 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7990 return; // [HGM] adjudicate: for all automatic game ends
7994 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
7996 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7997 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7999 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8001 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8003 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8004 char buf[3*MSG_SIZ];
8006 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8007 programStats.score / 100.,
8009 programStats.time / 100.,
8010 (unsigned int)programStats.nodes,
8011 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8012 programStats.movelist);
8014 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8019 /* [AS] Clear stats for next move */
8020 ClearProgramStats();
8021 thinkOutput[0] = NULLCHAR;
8022 hiddenThinkOutputState = 0;
8025 if (gameMode == TwoMachinesPlay) {
8026 /* [HGM] relaying draw offers moved to after reception of move */
8027 /* and interpreting offer as claim if it brings draw condition */
8028 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8029 SendToProgram("draw\n", cps->other);
8031 if (cps->other->sendTime) {
8032 SendTimeRemaining(cps->other,
8033 cps->other->twoMachinesColor[0] == 'w');
8035 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8036 if (firstMove && !bookHit) {
8038 if (cps->other->useColors) {
8039 SendToProgram(cps->other->twoMachinesColor, cps->other);
8041 SendToProgram("go\n", cps->other);
8043 cps->other->maybeThinking = TRUE;
8046 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8048 if (!pausing && appData.ringBellAfterMoves) {
8053 * Reenable menu items that were disabled while
8054 * machine was thinking
8056 if (gameMode != TwoMachinesPlay)
8057 SetUserThinkingEnables();
8059 // [HGM] book: after book hit opponent has received move and is now in force mode
8060 // force the book reply into it, and then fake that it outputted this move by jumping
8061 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8063 static char bookMove[MSG_SIZ]; // a bit generous?
8065 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8066 strcat(bookMove, bookHit);
8069 programStats.nodes = programStats.depth = programStats.time =
8070 programStats.score = programStats.got_only_move = 0;
8071 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8073 if(cps->lastPing != cps->lastPong) {
8074 savedMessage = message; // args for deferred call
8076 ScheduleDelayedEvent(DeferredBookMove, 10);
8085 /* Set special modes for chess engines. Later something general
8086 * could be added here; for now there is just one kludge feature,
8087 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8088 * when "xboard" is given as an interactive command.
8090 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8091 cps->useSigint = FALSE;
8092 cps->useSigterm = FALSE;
8094 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8095 ParseFeatures(message+8, cps);
8096 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8099 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8100 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8101 int dummy, s=6; char buf[MSG_SIZ];
8102 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8103 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8104 if(startedFromSetupPosition) return;
8105 ParseFEN(boards[0], &dummy, message+s);
8106 DrawPosition(TRUE, boards[0]);
8107 startedFromSetupPosition = TRUE;
8110 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8111 * want this, I was asked to put it in, and obliged.
8113 if (!strncmp(message, "setboard ", 9)) {
8114 Board initial_position;
8116 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8118 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8119 DisplayError(_("Bad FEN received from engine"), 0);
8123 CopyBoard(boards[0], initial_position);
8124 initialRulePlies = FENrulePlies;
8125 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8126 else gameMode = MachinePlaysBlack;
8127 DrawPosition(FALSE, boards[currentMove]);
8133 * Look for communication commands
8135 if (!strncmp(message, "telluser ", 9)) {
8136 if(message[9] == '\\' && message[10] == '\\')
8137 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8139 DisplayNote(message + 9);
8142 if (!strncmp(message, "tellusererror ", 14)) {
8144 if(message[14] == '\\' && message[15] == '\\')
8145 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8147 DisplayError(message + 14, 0);
8150 if (!strncmp(message, "tellopponent ", 13)) {
8151 if (appData.icsActive) {
8153 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8157 DisplayNote(message + 13);
8161 if (!strncmp(message, "tellothers ", 11)) {
8162 if (appData.icsActive) {
8164 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8170 if (!strncmp(message, "tellall ", 8)) {
8171 if (appData.icsActive) {
8173 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8177 DisplayNote(message + 8);
8181 if (strncmp(message, "warning", 7) == 0) {
8182 /* Undocumented feature, use tellusererror in new code */
8183 DisplayError(message, 0);
8186 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8187 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8188 strcat(realname, " query");
8189 AskQuestion(realname, buf2, buf1, cps->pr);
8192 /* Commands from the engine directly to ICS. We don't allow these to be
8193 * sent until we are logged on. Crafty kibitzes have been known to
8194 * interfere with the login process.
8197 if (!strncmp(message, "tellics ", 8)) {
8198 SendToICS(message + 8);
8202 if (!strncmp(message, "tellicsnoalias ", 15)) {
8203 SendToICS(ics_prefix);
8204 SendToICS(message + 15);
8208 /* The following are for backward compatibility only */
8209 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8210 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8211 SendToICS(ics_prefix);
8217 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8221 * If the move is illegal, cancel it and redraw the board.
8222 * Also deal with other error cases. Matching is rather loose
8223 * here to accommodate engines written before the spec.
8225 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8226 strncmp(message, "Error", 5) == 0) {
8227 if (StrStr(message, "name") ||
8228 StrStr(message, "rating") || StrStr(message, "?") ||
8229 StrStr(message, "result") || StrStr(message, "board") ||
8230 StrStr(message, "bk") || StrStr(message, "computer") ||
8231 StrStr(message, "variant") || StrStr(message, "hint") ||
8232 StrStr(message, "random") || StrStr(message, "depth") ||
8233 StrStr(message, "accepted")) {
8236 if (StrStr(message, "protover")) {
8237 /* Program is responding to input, so it's apparently done
8238 initializing, and this error message indicates it is
8239 protocol version 1. So we don't need to wait any longer
8240 for it to initialize and send feature commands. */
8241 FeatureDone(cps, 1);
8242 cps->protocolVersion = 1;
8245 cps->maybeThinking = FALSE;
8247 if (StrStr(message, "draw")) {
8248 /* Program doesn't have "draw" command */
8249 cps->sendDrawOffers = 0;
8252 if (cps->sendTime != 1 &&
8253 (StrStr(message, "time") || StrStr(message, "otim"))) {
8254 /* Program apparently doesn't have "time" or "otim" command */
8258 if (StrStr(message, "analyze")) {
8259 cps->analysisSupport = FALSE;
8260 cps->analyzing = FALSE;
8261 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8262 EditGameEvent(); // [HGM] try to preserve loaded game
8263 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8264 DisplayError(buf2, 0);
8267 if (StrStr(message, "(no matching move)st")) {
8268 /* Special kludge for GNU Chess 4 only */
8269 cps->stKludge = TRUE;
8270 SendTimeControl(cps, movesPerSession, timeControl,
8271 timeIncrement, appData.searchDepth,
8275 if (StrStr(message, "(no matching move)sd")) {
8276 /* Special kludge for GNU Chess 4 only */
8277 cps->sdKludge = TRUE;
8278 SendTimeControl(cps, movesPerSession, timeControl,
8279 timeIncrement, appData.searchDepth,
8283 if (!StrStr(message, "llegal")) {
8286 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8287 gameMode == IcsIdle) return;
8288 if (forwardMostMove <= backwardMostMove) return;
8289 if (pausing) PauseEvent();
8290 if(appData.forceIllegal) {
8291 // [HGM] illegal: machine refused move; force position after move into it
8292 SendToProgram("force\n", cps);
8293 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8294 // we have a real problem now, as SendBoard will use the a2a3 kludge
8295 // when black is to move, while there might be nothing on a2 or black
8296 // might already have the move. So send the board as if white has the move.
8297 // But first we must change the stm of the engine, as it refused the last move
8298 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8299 if(WhiteOnMove(forwardMostMove)) {
8300 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8301 SendBoard(cps, forwardMostMove); // kludgeless board
8303 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8304 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8305 SendBoard(cps, forwardMostMove+1); // kludgeless board
8307 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8308 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8309 gameMode == TwoMachinesPlay)
8310 SendToProgram("go\n", cps);
8313 if (gameMode == PlayFromGameFile) {
8314 /* Stop reading this game file */
8315 gameMode = EditGame;
8318 /* [HGM] illegal-move claim should forfeit game when Xboard */
8319 /* only passes fully legal moves */
8320 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8321 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8322 "False illegal-move claim", GE_XBOARD );
8323 return; // do not take back move we tested as valid
8325 currentMove = forwardMostMove-1;
8326 DisplayMove(currentMove-1); /* before DisplayMoveError */
8327 SwitchClocks(forwardMostMove-1); // [HGM] race
8328 DisplayBothClocks();
8329 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8330 parseList[currentMove], _(cps->which));
8331 DisplayMoveError(buf1);
8332 DrawPosition(FALSE, boards[currentMove]);
8334 SetUserThinkingEnables();
8337 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8338 /* Program has a broken "time" command that
8339 outputs a string not ending in newline.
8345 * If chess program startup fails, exit with an error message.
8346 * Attempts to recover here are futile.
8348 if ((StrStr(message, "unknown host") != NULL)
8349 || (StrStr(message, "No remote directory") != NULL)
8350 || (StrStr(message, "not found") != NULL)
8351 || (StrStr(message, "No such file") != NULL)
8352 || (StrStr(message, "can't alloc") != NULL)
8353 || (StrStr(message, "Permission denied") != NULL)) {
8355 cps->maybeThinking = FALSE;
8356 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8357 _(cps->which), cps->program, cps->host, message);
8358 RemoveInputSource(cps->isr);
8359 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8360 if(cps == &first) appData.noChessProgram = TRUE;
8361 DisplayError(buf1, 0);
8367 * Look for hint output
8369 if (sscanf(message, "Hint: %s", buf1) == 1) {
8370 if (cps == &first && hintRequested) {
8371 hintRequested = FALSE;
8372 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8373 &fromX, &fromY, &toX, &toY, &promoChar)) {
8374 (void) CoordsToAlgebraic(boards[forwardMostMove],
8375 PosFlags(forwardMostMove),
8376 fromY, fromX, toY, toX, promoChar, buf1);
8377 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8378 DisplayInformation(buf2);
8380 /* Hint move could not be parsed!? */
8381 snprintf(buf2, sizeof(buf2),
8382 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8383 buf1, _(cps->which));
8384 DisplayError(buf2, 0);
8387 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8393 * Ignore other messages if game is not in progress
8395 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8396 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8399 * look for win, lose, draw, or draw offer
8401 if (strncmp(message, "1-0", 3) == 0) {
8402 char *p, *q, *r = "";
8403 p = strchr(message, '{');
8411 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8413 } else if (strncmp(message, "0-1", 3) == 0) {
8414 char *p, *q, *r = "";
8415 p = strchr(message, '{');
8423 /* Kludge for Arasan 4.1 bug */
8424 if (strcmp(r, "Black resigns") == 0) {
8425 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8428 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8430 } else if (strncmp(message, "1/2", 3) == 0) {
8431 char *p, *q, *r = "";
8432 p = strchr(message, '{');
8441 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8444 } else if (strncmp(message, "White resign", 12) == 0) {
8445 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8447 } else if (strncmp(message, "Black resign", 12) == 0) {
8448 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8450 } else if (strncmp(message, "White matches", 13) == 0 ||
8451 strncmp(message, "Black matches", 13) == 0 ) {
8452 /* [HGM] ignore GNUShogi noises */
8454 } else if (strncmp(message, "White", 5) == 0 &&
8455 message[5] != '(' &&
8456 StrStr(message, "Black") == NULL) {
8457 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8459 } else if (strncmp(message, "Black", 5) == 0 &&
8460 message[5] != '(') {
8461 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8463 } else if (strcmp(message, "resign") == 0 ||
8464 strcmp(message, "computer resigns") == 0) {
8466 case MachinePlaysBlack:
8467 case IcsPlayingBlack:
8468 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8470 case MachinePlaysWhite:
8471 case IcsPlayingWhite:
8472 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8474 case TwoMachinesPlay:
8475 if (cps->twoMachinesColor[0] == 'w')
8476 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8478 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8485 } else if (strncmp(message, "opponent mates", 14) == 0) {
8487 case MachinePlaysBlack:
8488 case IcsPlayingBlack:
8489 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8491 case MachinePlaysWhite:
8492 case IcsPlayingWhite:
8493 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8495 case TwoMachinesPlay:
8496 if (cps->twoMachinesColor[0] == 'w')
8497 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8499 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8506 } else if (strncmp(message, "computer mates", 14) == 0) {
8508 case MachinePlaysBlack:
8509 case IcsPlayingBlack:
8510 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8512 case MachinePlaysWhite:
8513 case IcsPlayingWhite:
8514 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8516 case TwoMachinesPlay:
8517 if (cps->twoMachinesColor[0] == 'w')
8518 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8520 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8527 } else if (strncmp(message, "checkmate", 9) == 0) {
8528 if (WhiteOnMove(forwardMostMove)) {
8529 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8531 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8534 } else if (strstr(message, "Draw") != NULL ||
8535 strstr(message, "game is a draw") != NULL) {
8536 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8538 } else if (strstr(message, "offer") != NULL &&
8539 strstr(message, "draw") != NULL) {
8541 if (appData.zippyPlay && first.initDone) {
8542 /* Relay offer to ICS */
8543 SendToICS(ics_prefix);
8544 SendToICS("draw\n");
8547 cps->offeredDraw = 2; /* valid until this engine moves twice */
8548 if (gameMode == TwoMachinesPlay) {
8549 if (cps->other->offeredDraw) {
8550 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8551 /* [HGM] in two-machine mode we delay relaying draw offer */
8552 /* until after we also have move, to see if it is really claim */
8554 } else if (gameMode == MachinePlaysWhite ||
8555 gameMode == MachinePlaysBlack) {
8556 if (userOfferedDraw) {
8557 DisplayInformation(_("Machine accepts your draw offer"));
8558 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8560 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8567 * Look for thinking output
8569 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8570 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8572 int plylev, mvleft, mvtot, curscore, time;
8573 char mvname[MOVE_LEN];
8577 int prefixHint = FALSE;
8578 mvname[0] = NULLCHAR;
8581 case MachinePlaysBlack:
8582 case IcsPlayingBlack:
8583 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8585 case MachinePlaysWhite:
8586 case IcsPlayingWhite:
8587 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8592 case IcsObserving: /* [DM] icsEngineAnalyze */
8593 if (!appData.icsEngineAnalyze) ignore = TRUE;
8595 case TwoMachinesPlay:
8596 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8606 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8608 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8609 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8611 if (plyext != ' ' && plyext != '\t') {
8615 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8616 if( cps->scoreIsAbsolute &&
8617 ( gameMode == MachinePlaysBlack ||
8618 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8619 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8620 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8621 !WhiteOnMove(currentMove)
8624 curscore = -curscore;
8627 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8629 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8632 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8633 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8634 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8635 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8636 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8637 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8639 } else DisplayError(_("failed writing PV"), 0);
8642 tempStats.depth = plylev;
8643 tempStats.nodes = nodes;
8644 tempStats.time = time;
8645 tempStats.score = curscore;
8646 tempStats.got_only_move = 0;
8648 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8651 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8652 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8653 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8654 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8655 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8656 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8657 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8658 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8661 /* Buffer overflow protection */
8662 if (pv[0] != NULLCHAR) {
8663 if (strlen(pv) >= sizeof(tempStats.movelist)
8664 && appData.debugMode) {
8666 "PV is too long; using the first %u bytes.\n",
8667 (unsigned) sizeof(tempStats.movelist) - 1);
8670 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8672 sprintf(tempStats.movelist, " no PV\n");
8675 if (tempStats.seen_stat) {
8676 tempStats.ok_to_send = 1;
8679 if (strchr(tempStats.movelist, '(') != NULL) {
8680 tempStats.line_is_book = 1;
8681 tempStats.nr_moves = 0;
8682 tempStats.moves_left = 0;
8684 tempStats.line_is_book = 0;
8687 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8688 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8690 SendProgramStatsToFrontend( cps, &tempStats );
8693 [AS] Protect the thinkOutput buffer from overflow... this
8694 is only useful if buf1 hasn't overflowed first!
8696 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8698 (gameMode == TwoMachinesPlay ?
8699 ToUpper(cps->twoMachinesColor[0]) : ' '),
8700 ((double) curscore) / 100.0,
8701 prefixHint ? lastHint : "",
8702 prefixHint ? " " : "" );
8704 if( buf1[0] != NULLCHAR ) {
8705 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8707 if( strlen(pv) > max_len ) {
8708 if( appData.debugMode) {
8709 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8711 pv[max_len+1] = '\0';
8714 strcat( thinkOutput, pv);
8717 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8718 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8719 DisplayMove(currentMove - 1);
8723 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8724 /* crafty (9.25+) says "(only move) <move>"
8725 * if there is only 1 legal move
8727 sscanf(p, "(only move) %s", buf1);
8728 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8729 sprintf(programStats.movelist, "%s (only move)", buf1);
8730 programStats.depth = 1;
8731 programStats.nr_moves = 1;
8732 programStats.moves_left = 1;
8733 programStats.nodes = 1;
8734 programStats.time = 1;
8735 programStats.got_only_move = 1;
8737 /* Not really, but we also use this member to
8738 mean "line isn't going to change" (Crafty
8739 isn't searching, so stats won't change) */
8740 programStats.line_is_book = 1;
8742 SendProgramStatsToFrontend( cps, &programStats );
8744 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8745 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8746 DisplayMove(currentMove - 1);
8749 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8750 &time, &nodes, &plylev, &mvleft,
8751 &mvtot, mvname) >= 5) {
8752 /* The stat01: line is from Crafty (9.29+) in response
8753 to the "." command */
8754 programStats.seen_stat = 1;
8755 cps->maybeThinking = TRUE;
8757 if (programStats.got_only_move || !appData.periodicUpdates)
8760 programStats.depth = plylev;
8761 programStats.time = time;
8762 programStats.nodes = nodes;
8763 programStats.moves_left = mvleft;
8764 programStats.nr_moves = mvtot;
8765 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8766 programStats.ok_to_send = 1;
8767 programStats.movelist[0] = '\0';
8769 SendProgramStatsToFrontend( cps, &programStats );
8773 } else if (strncmp(message,"++",2) == 0) {
8774 /* Crafty 9.29+ outputs this */
8775 programStats.got_fail = 2;
8778 } else if (strncmp(message,"--",2) == 0) {
8779 /* Crafty 9.29+ outputs this */
8780 programStats.got_fail = 1;
8783 } else if (thinkOutput[0] != NULLCHAR &&
8784 strncmp(message, " ", 4) == 0) {
8785 unsigned message_len;
8788 while (*p && *p == ' ') p++;
8790 message_len = strlen( p );
8792 /* [AS] Avoid buffer overflow */
8793 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8794 strcat(thinkOutput, " ");
8795 strcat(thinkOutput, p);
8798 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8799 strcat(programStats.movelist, " ");
8800 strcat(programStats.movelist, p);
8803 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8804 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8805 DisplayMove(currentMove - 1);
8813 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8814 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8816 ChessProgramStats cpstats;
8818 if (plyext != ' ' && plyext != '\t') {
8822 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8823 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8824 curscore = -curscore;
8827 cpstats.depth = plylev;
8828 cpstats.nodes = nodes;
8829 cpstats.time = time;
8830 cpstats.score = curscore;
8831 cpstats.got_only_move = 0;
8832 cpstats.movelist[0] = '\0';
8834 if (buf1[0] != NULLCHAR) {
8835 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8838 cpstats.ok_to_send = 0;
8839 cpstats.line_is_book = 0;
8840 cpstats.nr_moves = 0;
8841 cpstats.moves_left = 0;
8843 SendProgramStatsToFrontend( cps, &cpstats );
8850 /* Parse a game score from the character string "game", and
8851 record it as the history of the current game. The game
8852 score is NOT assumed to start from the standard position.
8853 The display is not updated in any way.
8856 ParseGameHistory (char *game)
8859 int fromX, fromY, toX, toY, boardIndex;
8864 if (appData.debugMode)
8865 fprintf(debugFP, "Parsing game history: %s\n", game);
8867 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8868 gameInfo.site = StrSave(appData.icsHost);
8869 gameInfo.date = PGNDate();
8870 gameInfo.round = StrSave("-");
8872 /* Parse out names of players */
8873 while (*game == ' ') game++;
8875 while (*game != ' ') *p++ = *game++;
8877 gameInfo.white = StrSave(buf);
8878 while (*game == ' ') game++;
8880 while (*game != ' ' && *game != '\n') *p++ = *game++;
8882 gameInfo.black = StrSave(buf);
8885 boardIndex = blackPlaysFirst ? 1 : 0;
8888 yyboardindex = boardIndex;
8889 moveType = (ChessMove) Myylex();
8891 case IllegalMove: /* maybe suicide chess, etc. */
8892 if (appData.debugMode) {
8893 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8894 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8895 setbuf(debugFP, NULL);
8897 case WhitePromotion:
8898 case BlackPromotion:
8899 case WhiteNonPromotion:
8900 case BlackNonPromotion:
8902 case WhiteCapturesEnPassant:
8903 case BlackCapturesEnPassant:
8904 case WhiteKingSideCastle:
8905 case WhiteQueenSideCastle:
8906 case BlackKingSideCastle:
8907 case BlackQueenSideCastle:
8908 case WhiteKingSideCastleWild:
8909 case WhiteQueenSideCastleWild:
8910 case BlackKingSideCastleWild:
8911 case BlackQueenSideCastleWild:
8913 case WhiteHSideCastleFR:
8914 case WhiteASideCastleFR:
8915 case BlackHSideCastleFR:
8916 case BlackASideCastleFR:
8918 fromX = currentMoveString[0] - AAA;
8919 fromY = currentMoveString[1] - ONE;
8920 toX = currentMoveString[2] - AAA;
8921 toY = currentMoveString[3] - ONE;
8922 promoChar = currentMoveString[4];
8926 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8927 fromX = moveType == WhiteDrop ?
8928 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8929 (int) CharToPiece(ToLower(currentMoveString[0]));
8931 toX = currentMoveString[2] - AAA;
8932 toY = currentMoveString[3] - ONE;
8933 promoChar = NULLCHAR;
8937 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
8938 if (appData.debugMode) {
8939 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
8940 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8941 setbuf(debugFP, NULL);
8943 DisplayError(buf, 0);
8945 case ImpossibleMove:
8947 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
8948 if (appData.debugMode) {
8949 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
8950 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8951 setbuf(debugFP, NULL);
8953 DisplayError(buf, 0);
8956 if (boardIndex < backwardMostMove) {
8957 /* Oops, gap. How did that happen? */
8958 DisplayError(_("Gap in move list"), 0);
8961 backwardMostMove = blackPlaysFirst ? 1 : 0;
8962 if (boardIndex > forwardMostMove) {
8963 forwardMostMove = boardIndex;
8967 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
8968 strcat(parseList[boardIndex-1], " ");
8969 strcat(parseList[boardIndex-1], yy_text);
8981 case GameUnfinished:
8982 if (gameMode == IcsExamining) {
8983 if (boardIndex < backwardMostMove) {
8984 /* Oops, gap. How did that happen? */
8987 backwardMostMove = blackPlaysFirst ? 1 : 0;
8990 gameInfo.result = moveType;
8991 p = strchr(yy_text, '{');
8992 if (p == NULL) p = strchr(yy_text, '(');
8995 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
8997 q = strchr(p, *p == '{' ? '}' : ')');
8998 if (q != NULL) *q = NULLCHAR;
9001 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9002 gameInfo.resultDetails = StrSave(p);
9005 if (boardIndex >= forwardMostMove &&
9006 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9007 backwardMostMove = blackPlaysFirst ? 1 : 0;
9010 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9011 fromY, fromX, toY, toX, promoChar,
9012 parseList[boardIndex]);
9013 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9014 /* currentMoveString is set as a side-effect of yylex */
9015 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9016 strcat(moveList[boardIndex], "\n");
9018 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9019 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9025 if(gameInfo.variant != VariantShogi)
9026 strcat(parseList[boardIndex - 1], "+");
9030 strcat(parseList[boardIndex - 1], "#");
9037 /* Apply a move to the given board */
9039 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9041 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9042 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9044 /* [HGM] compute & store e.p. status and castling rights for new position */
9045 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9047 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9048 oldEP = (signed char)board[EP_STATUS];
9049 board[EP_STATUS] = EP_NONE;
9051 if (fromY == DROP_RANK) {
9053 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9054 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9057 piece = board[toY][toX] = (ChessSquare) fromX;
9061 if( board[toY][toX] != EmptySquare )
9062 board[EP_STATUS] = EP_CAPTURE;
9064 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9065 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9066 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9068 if( board[fromY][fromX] == WhitePawn ) {
9069 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9070 board[EP_STATUS] = EP_PAWN_MOVE;
9072 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9073 gameInfo.variant != VariantBerolina || toX < fromX)
9074 board[EP_STATUS] = toX | berolina;
9075 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9076 gameInfo.variant != VariantBerolina || toX > fromX)
9077 board[EP_STATUS] = toX;
9080 if( board[fromY][fromX] == BlackPawn ) {
9081 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9082 board[EP_STATUS] = EP_PAWN_MOVE;
9083 if( toY-fromY== -2) {
9084 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9085 gameInfo.variant != VariantBerolina || toX < fromX)
9086 board[EP_STATUS] = toX | berolina;
9087 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9088 gameInfo.variant != VariantBerolina || toX > fromX)
9089 board[EP_STATUS] = toX;
9093 for(i=0; i<nrCastlingRights; i++) {
9094 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9095 board[CASTLING][i] == toX && castlingRank[i] == toY
9096 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9099 if (fromX == toX && fromY == toY) return;
9101 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9102 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9103 if(gameInfo.variant == VariantKnightmate)
9104 king += (int) WhiteUnicorn - (int) WhiteKing;
9106 /* Code added by Tord: */
9107 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9108 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9109 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9110 board[fromY][fromX] = EmptySquare;
9111 board[toY][toX] = EmptySquare;
9112 if((toX > fromX) != (piece == WhiteRook)) {
9113 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9115 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9117 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9118 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9119 board[fromY][fromX] = EmptySquare;
9120 board[toY][toX] = EmptySquare;
9121 if((toX > fromX) != (piece == BlackRook)) {
9122 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9124 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9126 /* End of code added by Tord */
9128 } else if (board[fromY][fromX] == king
9129 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9130 && toY == fromY && toX > fromX+1) {
9131 board[fromY][fromX] = EmptySquare;
9132 board[toY][toX] = king;
9133 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9134 board[fromY][BOARD_RGHT-1] = EmptySquare;
9135 } else if (board[fromY][fromX] == king
9136 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9137 && toY == fromY && toX < fromX-1) {
9138 board[fromY][fromX] = EmptySquare;
9139 board[toY][toX] = king;
9140 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9141 board[fromY][BOARD_LEFT] = EmptySquare;
9142 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9143 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9144 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9146 /* white pawn promotion */
9147 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9148 if(gameInfo.variant==VariantBughouse ||
9149 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9150 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9151 board[fromY][fromX] = EmptySquare;
9152 } else if ((fromY >= BOARD_HEIGHT>>1)
9154 && gameInfo.variant != VariantXiangqi
9155 && gameInfo.variant != VariantBerolina
9156 && (board[fromY][fromX] == WhitePawn)
9157 && (board[toY][toX] == EmptySquare)) {
9158 board[fromY][fromX] = EmptySquare;
9159 board[toY][toX] = WhitePawn;
9160 captured = board[toY - 1][toX];
9161 board[toY - 1][toX] = EmptySquare;
9162 } else if ((fromY == BOARD_HEIGHT-4)
9164 && gameInfo.variant == VariantBerolina
9165 && (board[fromY][fromX] == WhitePawn)
9166 && (board[toY][toX] == EmptySquare)) {
9167 board[fromY][fromX] = EmptySquare;
9168 board[toY][toX] = WhitePawn;
9169 if(oldEP & EP_BEROLIN_A) {
9170 captured = board[fromY][fromX-1];
9171 board[fromY][fromX-1] = EmptySquare;
9172 }else{ captured = board[fromY][fromX+1];
9173 board[fromY][fromX+1] = EmptySquare;
9175 } else if (board[fromY][fromX] == king
9176 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9177 && toY == fromY && toX > fromX+1) {
9178 board[fromY][fromX] = EmptySquare;
9179 board[toY][toX] = king;
9180 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9181 board[fromY][BOARD_RGHT-1] = EmptySquare;
9182 } else if (board[fromY][fromX] == king
9183 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9184 && toY == fromY && toX < fromX-1) {
9185 board[fromY][fromX] = EmptySquare;
9186 board[toY][toX] = king;
9187 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9188 board[fromY][BOARD_LEFT] = EmptySquare;
9189 } else if (fromY == 7 && fromX == 3
9190 && board[fromY][fromX] == BlackKing
9191 && toY == 7 && toX == 5) {
9192 board[fromY][fromX] = EmptySquare;
9193 board[toY][toX] = BlackKing;
9194 board[fromY][7] = EmptySquare;
9195 board[toY][4] = BlackRook;
9196 } else if (fromY == 7 && fromX == 3
9197 && board[fromY][fromX] == BlackKing
9198 && toY == 7 && toX == 1) {
9199 board[fromY][fromX] = EmptySquare;
9200 board[toY][toX] = BlackKing;
9201 board[fromY][0] = EmptySquare;
9202 board[toY][2] = BlackRook;
9203 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9204 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9205 && toY < promoRank && promoChar
9207 /* black pawn promotion */
9208 board[toY][toX] = CharToPiece(ToLower(promoChar));
9209 if(gameInfo.variant==VariantBughouse ||
9210 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9211 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9212 board[fromY][fromX] = EmptySquare;
9213 } else if ((fromY < BOARD_HEIGHT>>1)
9215 && gameInfo.variant != VariantXiangqi
9216 && gameInfo.variant != VariantBerolina
9217 && (board[fromY][fromX] == BlackPawn)
9218 && (board[toY][toX] == EmptySquare)) {
9219 board[fromY][fromX] = EmptySquare;
9220 board[toY][toX] = BlackPawn;
9221 captured = board[toY + 1][toX];
9222 board[toY + 1][toX] = EmptySquare;
9223 } else if ((fromY == 3)
9225 && gameInfo.variant == VariantBerolina
9226 && (board[fromY][fromX] == BlackPawn)
9227 && (board[toY][toX] == EmptySquare)) {
9228 board[fromY][fromX] = EmptySquare;
9229 board[toY][toX] = BlackPawn;
9230 if(oldEP & EP_BEROLIN_A) {
9231 captured = board[fromY][fromX-1];
9232 board[fromY][fromX-1] = EmptySquare;
9233 }else{ captured = board[fromY][fromX+1];
9234 board[fromY][fromX+1] = EmptySquare;
9237 board[toY][toX] = board[fromY][fromX];
9238 board[fromY][fromX] = EmptySquare;
9242 if (gameInfo.holdingsWidth != 0) {
9244 /* !!A lot more code needs to be written to support holdings */
9245 /* [HGM] OK, so I have written it. Holdings are stored in the */
9246 /* penultimate board files, so they are automaticlly stored */
9247 /* in the game history. */
9248 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9249 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9250 /* Delete from holdings, by decreasing count */
9251 /* and erasing image if necessary */
9252 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9253 if(p < (int) BlackPawn) { /* white drop */
9254 p -= (int)WhitePawn;
9255 p = PieceToNumber((ChessSquare)p);
9256 if(p >= gameInfo.holdingsSize) p = 0;
9257 if(--board[p][BOARD_WIDTH-2] <= 0)
9258 board[p][BOARD_WIDTH-1] = EmptySquare;
9259 if((int)board[p][BOARD_WIDTH-2] < 0)
9260 board[p][BOARD_WIDTH-2] = 0;
9261 } else { /* black drop */
9262 p -= (int)BlackPawn;
9263 p = PieceToNumber((ChessSquare)p);
9264 if(p >= gameInfo.holdingsSize) p = 0;
9265 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9266 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9267 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9268 board[BOARD_HEIGHT-1-p][1] = 0;
9271 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9272 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9273 /* [HGM] holdings: Add to holdings, if holdings exist */
9274 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9275 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9276 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9279 if (p >= (int) BlackPawn) {
9280 p -= (int)BlackPawn;
9281 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9282 /* in Shogi restore piece to its original first */
9283 captured = (ChessSquare) (DEMOTED captured);
9286 p = PieceToNumber((ChessSquare)p);
9287 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9288 board[p][BOARD_WIDTH-2]++;
9289 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9291 p -= (int)WhitePawn;
9292 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9293 captured = (ChessSquare) (DEMOTED captured);
9296 p = PieceToNumber((ChessSquare)p);
9297 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9298 board[BOARD_HEIGHT-1-p][1]++;
9299 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9302 } else if (gameInfo.variant == VariantAtomic) {
9303 if (captured != EmptySquare) {
9305 for (y = toY-1; y <= toY+1; y++) {
9306 for (x = toX-1; x <= toX+1; x++) {
9307 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9308 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9309 board[y][x] = EmptySquare;
9313 board[toY][toX] = EmptySquare;
9316 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9317 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9319 if(promoChar == '+') {
9320 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9321 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9322 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9323 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9325 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9326 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9327 // [HGM] superchess: take promotion piece out of holdings
9328 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9329 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9330 if(!--board[k][BOARD_WIDTH-2])
9331 board[k][BOARD_WIDTH-1] = EmptySquare;
9333 if(!--board[BOARD_HEIGHT-1-k][1])
9334 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9340 /* Updates forwardMostMove */
9342 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9344 // forwardMostMove++; // [HGM] bare: moved downstream
9346 (void) CoordsToAlgebraic(boards[forwardMostMove],
9347 PosFlags(forwardMostMove),
9348 fromY, fromX, toY, toX, promoChar,
9349 parseList[forwardMostMove]);
9351 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9352 int timeLeft; static int lastLoadFlag=0; int king, piece;
9353 piece = boards[forwardMostMove][fromY][fromX];
9354 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9355 if(gameInfo.variant == VariantKnightmate)
9356 king += (int) WhiteUnicorn - (int) WhiteKing;
9357 if(forwardMostMove == 0) {
9358 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9359 fprintf(serverMoves, "%s;", UserName());
9360 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9361 fprintf(serverMoves, "%s;", second.tidy);
9362 fprintf(serverMoves, "%s;", first.tidy);
9363 if(gameMode == MachinePlaysWhite)
9364 fprintf(serverMoves, "%s;", UserName());
9365 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9366 fprintf(serverMoves, "%s;", second.tidy);
9367 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9368 lastLoadFlag = loadFlag;
9370 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9371 // print castling suffix
9372 if( toY == fromY && piece == king ) {
9374 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9376 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9379 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9380 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9381 boards[forwardMostMove][toY][toX] == EmptySquare
9382 && fromX != toX && fromY != toY)
9383 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9385 if(promoChar != NULLCHAR)
9386 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9388 char buf[MOVE_LEN*2], *p; int len;
9389 fprintf(serverMoves, "/%d/%d",
9390 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9391 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9392 else timeLeft = blackTimeRemaining/1000;
9393 fprintf(serverMoves, "/%d", timeLeft);
9394 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9395 if(p = strchr(buf, '=')) *p = NULLCHAR;
9396 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9397 fprintf(serverMoves, "/%s", buf);
9399 fflush(serverMoves);
9402 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9403 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9406 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9407 if (commentList[forwardMostMove+1] != NULL) {
9408 free(commentList[forwardMostMove+1]);
9409 commentList[forwardMostMove+1] = NULL;
9411 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9412 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9413 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9414 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9415 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9416 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9417 adjustedClock = FALSE;
9418 gameInfo.result = GameUnfinished;
9419 if (gameInfo.resultDetails != NULL) {
9420 free(gameInfo.resultDetails);
9421 gameInfo.resultDetails = NULL;
9423 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9424 moveList[forwardMostMove - 1]);
9425 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9431 if(gameInfo.variant != VariantShogi)
9432 strcat(parseList[forwardMostMove - 1], "+");
9436 strcat(parseList[forwardMostMove - 1], "#");
9442 /* Updates currentMove if not pausing */
9444 ShowMove (int fromX, int fromY, int toX, int toY)
9446 int instant = (gameMode == PlayFromGameFile) ?
9447 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9448 if(appData.noGUI) return;
9449 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9451 if (forwardMostMove == currentMove + 1) {
9452 AnimateMove(boards[forwardMostMove - 1],
9453 fromX, fromY, toX, toY);
9455 if (appData.highlightLastMove) {
9456 SetHighlights(fromX, fromY, toX, toY);
9459 currentMove = forwardMostMove;
9462 if (instant) return;
9464 DisplayMove(currentMove - 1);
9465 DrawPosition(FALSE, boards[currentMove]);
9466 DisplayBothClocks();
9467 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9471 SendEgtPath (ChessProgramState *cps)
9472 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9473 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9475 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9478 char c, *q = name+1, *r, *s;
9480 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9481 while(*p && *p != ',') *q++ = *p++;
9483 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9484 strcmp(name, ",nalimov:") == 0 ) {
9485 // take nalimov path from the menu-changeable option first, if it is defined
9486 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9487 SendToProgram(buf,cps); // send egtbpath command for nalimov
9489 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9490 (s = StrStr(appData.egtFormats, name)) != NULL) {
9491 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9492 s = r = StrStr(s, ":") + 1; // beginning of path info
9493 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9494 c = *r; *r = 0; // temporarily null-terminate path info
9495 *--q = 0; // strip of trailig ':' from name
9496 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9498 SendToProgram(buf,cps); // send egtbpath command for this format
9500 if(*p == ',') p++; // read away comma to position for next format name
9505 InitChessProgram (ChessProgramState *cps, int setup)
9506 /* setup needed to setup FRC opening position */
9508 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9509 if (appData.noChessProgram) return;
9510 hintRequested = FALSE;
9511 bookRequested = FALSE;
9513 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9514 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9515 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9516 if(cps->memSize) { /* [HGM] memory */
9517 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9518 SendToProgram(buf, cps);
9520 SendEgtPath(cps); /* [HGM] EGT */
9521 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9522 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9523 SendToProgram(buf, cps);
9526 SendToProgram(cps->initString, cps);
9527 if (gameInfo.variant != VariantNormal &&
9528 gameInfo.variant != VariantLoadable
9529 /* [HGM] also send variant if board size non-standard */
9530 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9532 char *v = VariantName(gameInfo.variant);
9533 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9534 /* [HGM] in protocol 1 we have to assume all variants valid */
9535 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9536 DisplayFatalError(buf, 0, 1);
9540 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9541 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9542 if( gameInfo.variant == VariantXiangqi )
9543 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9544 if( gameInfo.variant == VariantShogi )
9545 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9546 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9547 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9548 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9549 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9550 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9551 if( gameInfo.variant == VariantCourier )
9552 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9553 if( gameInfo.variant == VariantSuper )
9554 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9555 if( gameInfo.variant == VariantGreat )
9556 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9557 if( gameInfo.variant == VariantSChess )
9558 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9559 if( gameInfo.variant == VariantGrand )
9560 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9563 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9564 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9565 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9566 if(StrStr(cps->variants, b) == NULL) {
9567 // specific sized variant not known, check if general sizing allowed
9568 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9569 if(StrStr(cps->variants, "boardsize") == NULL) {
9570 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9571 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9572 DisplayFatalError(buf, 0, 1);
9575 /* [HGM] here we really should compare with the maximum supported board size */
9578 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9579 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9580 SendToProgram(buf, cps);
9582 currentlyInitializedVariant = gameInfo.variant;
9584 /* [HGM] send opening position in FRC to first engine */
9586 SendToProgram("force\n", cps);
9588 /* engine is now in force mode! Set flag to wake it up after first move. */
9589 setboardSpoiledMachineBlack = 1;
9593 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9594 SendToProgram(buf, cps);
9596 cps->maybeThinking = FALSE;
9597 cps->offeredDraw = 0;
9598 if (!appData.icsActive) {
9599 SendTimeControl(cps, movesPerSession, timeControl,
9600 timeIncrement, appData.searchDepth,
9603 if (appData.showThinking
9604 // [HGM] thinking: four options require thinking output to be sent
9605 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9607 SendToProgram("post\n", cps);
9609 SendToProgram("hard\n", cps);
9610 if (!appData.ponderNextMove) {
9611 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9612 it without being sure what state we are in first. "hard"
9613 is not a toggle, so that one is OK.
9615 SendToProgram("easy\n", cps);
9618 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9619 SendToProgram(buf, cps);
9621 cps->initDone = TRUE;
9622 ClearEngineOutputPane(cps == &second);
9627 StartChessProgram (ChessProgramState *cps)
9632 if (appData.noChessProgram) return;
9633 cps->initDone = FALSE;
9635 if (strcmp(cps->host, "localhost") == 0) {
9636 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9637 } else if (*appData.remoteShell == NULLCHAR) {
9638 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9640 if (*appData.remoteUser == NULLCHAR) {
9641 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9644 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9645 cps->host, appData.remoteUser, cps->program);
9647 err = StartChildProcess(buf, "", &cps->pr);
9651 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9652 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9653 if(cps != &first) return;
9654 appData.noChessProgram = TRUE;
9657 // DisplayFatalError(buf, err, 1);
9658 // cps->pr = NoProc;
9663 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9664 if (cps->protocolVersion > 1) {
9665 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9666 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9667 cps->comboCnt = 0; // and values of combo boxes
9668 SendToProgram(buf, cps);
9670 SendToProgram("xboard\n", cps);
9675 TwoMachinesEventIfReady P((void))
9677 static int curMess = 0;
9678 if (first.lastPing != first.lastPong) {
9679 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9680 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9683 if (second.lastPing != second.lastPong) {
9684 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9685 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9688 DisplayMessage("", ""); curMess = 0;
9694 MakeName (char *template)
9698 static char buf[MSG_SIZ];
9702 clock = time((time_t *)NULL);
9703 tm = localtime(&clock);
9705 while(*p++ = *template++) if(p[-1] == '%') {
9706 switch(*template++) {
9707 case 0: *p = 0; return buf;
9708 case 'Y': i = tm->tm_year+1900; break;
9709 case 'y': i = tm->tm_year-100; break;
9710 case 'M': i = tm->tm_mon+1; break;
9711 case 'd': i = tm->tm_mday; break;
9712 case 'h': i = tm->tm_hour; break;
9713 case 'm': i = tm->tm_min; break;
9714 case 's': i = tm->tm_sec; break;
9717 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9723 CountPlayers (char *p)
9726 while(p = strchr(p, '\n')) p++, n++; // count participants
9731 WriteTourneyFile (char *results, FILE *f)
9732 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9733 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9734 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9735 // create a file with tournament description
9736 fprintf(f, "-participants {%s}\n", appData.participants);
9737 fprintf(f, "-seedBase %d\n", appData.seedBase);
9738 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9739 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9740 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9741 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9742 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9743 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9744 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9745 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9746 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9747 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9748 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9749 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9751 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9753 fprintf(f, "-mps %d\n", appData.movesPerSession);
9754 fprintf(f, "-tc %s\n", appData.timeControl);
9755 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9757 fprintf(f, "-results \"%s\"\n", results);
9762 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9765 Substitute (char *participants, int expunge)
9767 int i, changed, changes=0, nPlayers=0;
9768 char *p, *q, *r, buf[MSG_SIZ];
9769 if(participants == NULL) return;
9770 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9771 r = p = participants; q = appData.participants;
9772 while(*p && *p == *q) {
9773 if(*p == '\n') r = p+1, nPlayers++;
9776 if(*p) { // difference
9777 while(*p && *p++ != '\n');
9778 while(*q && *q++ != '\n');
9780 changes = 1 + (strcmp(p, q) != 0);
9782 if(changes == 1) { // a single engine mnemonic was changed
9783 q = r; while(*q) nPlayers += (*q++ == '\n');
9784 p = buf; while(*r && (*p = *r++) != '\n') p++;
9786 NamesToList(firstChessProgramNames, command, mnemonic, "all");
9787 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9788 if(mnemonic[i]) { // The substitute is valid
9790 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9791 flock(fileno(f), LOCK_EX);
9792 ParseArgsFromFile(f);
9793 fseek(f, 0, SEEK_SET);
9794 FREE(appData.participants); appData.participants = participants;
9795 if(expunge) { // erase results of replaced engine
9796 int len = strlen(appData.results), w, b, dummy;
9797 for(i=0; i<len; i++) {
9798 Pairing(i, nPlayers, &w, &b, &dummy);
9799 if((w == changed || b == changed) && appData.results[i] == '*') {
9800 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9805 for(i=0; i<len; i++) {
9806 Pairing(i, nPlayers, &w, &b, &dummy);
9807 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9810 WriteTourneyFile(appData.results, f);
9811 fclose(f); // release lock
9814 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9816 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9817 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9823 CreateTourney (char *name)
9826 if(matchMode && strcmp(name, appData.tourneyFile)) {
9827 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9829 if(name[0] == NULLCHAR) {
9830 if(appData.participants[0])
9831 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9834 f = fopen(name, "r");
9835 if(f) { // file exists
9836 ASSIGN(appData.tourneyFile, name);
9837 ParseArgsFromFile(f); // parse it
9839 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9840 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9841 DisplayError(_("Not enough participants"), 0);
9844 ASSIGN(appData.tourneyFile, name);
9845 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9846 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9849 appData.noChessProgram = FALSE;
9850 appData.clockMode = TRUE;
9856 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
9858 char buf[MSG_SIZ], *p, *q;
9859 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
9860 skip = !all && group[0]; // if group requested, we start in skip mode
9861 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
9862 p = names; q = buf; header = 0;
9863 while(*p && *p != '\n') *q++ = *p++;
9867 if(strstr(buf, "# end") == buf) { depth--; continue; } // leave group, and suppress printing label
9868 depth++; // we must be entering a new group
9869 if(all) continue; // suppress printing group headers when complete list requested
9871 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
9873 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
9874 if(engineList[i]) free(engineList[i]);
9875 engineList[i] = strdup(buf);
9876 if(buf[0] != '#') TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
9877 if(engineMnemonic[i]) free(engineMnemonic[i]);
9878 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9880 sscanf(q + 8, "%s", buf + strlen(buf));
9883 engineMnemonic[i] = strdup(buf);
9886 engineList[i] = engineMnemonic[i] = NULL;
9890 // following implemented as macro to avoid type limitations
9891 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9895 { // swap settings for first engine and other engine (so far only some selected options)
9900 SWAP(chessProgram, p)
9902 SWAP(hasOwnBookUCI, h)
9903 SWAP(protocolVersion, h)
9905 SWAP(scoreIsAbsolute, h)
9914 SetPlayer (int player, char *p)
9915 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9917 char buf[MSG_SIZ], *engineName;
9918 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9919 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9920 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9922 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9923 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9924 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
9925 ParseArgsFromString(buf);
9931 char *recentEngines;
9934 RecentEngineEvent (int nr)
9937 // SwapEngines(1); // bump first to second
9938 // ReplaceEngine(&second, 1); // and load it there
9939 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
9940 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
9941 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
9942 ReplaceEngine(&first, 0);
9943 FloatToFront(&appData.recentEngineList, command[n]);
9948 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
9949 { // determine players from game number
9950 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
9952 if(appData.tourneyType == 0) {
9953 roundsPerCycle = (nPlayers - 1) | 1;
9954 pairingsPerRound = nPlayers / 2;
9955 } else if(appData.tourneyType > 0) {
9956 roundsPerCycle = nPlayers - appData.tourneyType;
9957 pairingsPerRound = appData.tourneyType;
9959 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
9960 gamesPerCycle = gamesPerRound * roundsPerCycle;
9961 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
9962 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
9963 curRound = nr / gamesPerRound; nr %= gamesPerRound;
9964 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
9965 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
9966 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
9968 if(appData.cycleSync) *syncInterval = gamesPerCycle;
9969 if(appData.roundSync) *syncInterval = gamesPerRound;
9971 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
9973 if(appData.tourneyType == 0) {
9974 if(curPairing == (nPlayers-1)/2 ) {
9975 *whitePlayer = curRound;
9976 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
9978 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
9979 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
9980 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
9981 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
9983 } else if(appData.tourneyType > 1) {
9984 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
9985 *whitePlayer = curRound + appData.tourneyType;
9986 } else if(appData.tourneyType > 0) {
9987 *whitePlayer = curPairing;
9988 *blackPlayer = curRound + appData.tourneyType;
9991 // take care of white/black alternation per round.
9992 // For cycles and games this is already taken care of by default, derived from matchGame!
9993 return curRound & 1;
9997 NextTourneyGame (int nr, int *swapColors)
9998 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10000 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10002 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10003 tf = fopen(appData.tourneyFile, "r");
10004 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10005 ParseArgsFromFile(tf); fclose(tf);
10006 InitTimeControls(); // TC might be altered from tourney file
10008 nPlayers = CountPlayers(appData.participants); // count participants
10009 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10010 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10013 p = q = appData.results;
10014 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10015 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10016 DisplayMessage(_("Waiting for other game(s)"),"");
10017 waitingForGame = TRUE;
10018 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10021 waitingForGame = FALSE;
10024 if(appData.tourneyType < 0) {
10025 if(nr>=0 && !pairingReceived) {
10027 if(pairing.pr == NoProc) {
10028 if(!appData.pairingEngine[0]) {
10029 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10032 StartChessProgram(&pairing); // starts the pairing engine
10034 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10035 SendToProgram(buf, &pairing);
10036 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10037 SendToProgram(buf, &pairing);
10038 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10040 pairingReceived = 0; // ... so we continue here
10042 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10043 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10044 matchGame = 1; roundNr = nr / syncInterval + 1;
10047 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10049 // redefine engines, engine dir, etc.
10050 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10051 if(first.pr == NoProc) {
10052 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10053 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10055 if(second.pr == NoProc) {
10057 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10058 SwapEngines(1); // and make that valid for second engine by swapping
10059 InitEngine(&second, 1);
10061 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10062 UpdateLogos(FALSE); // leave display to ModeHiglight()
10068 { // performs game initialization that does not invoke engines, and then tries to start the game
10069 int res, firstWhite, swapColors = 0;
10070 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10071 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10072 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10073 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10074 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10075 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10076 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10077 Reset(FALSE, first.pr != NoProc);
10078 res = LoadGameOrPosition(matchGame); // setup game
10079 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10080 if(!res) return; // abort when bad game/pos file
10081 TwoMachinesEvent();
10085 UserAdjudicationEvent (int result)
10087 ChessMove gameResult = GameIsDrawn;
10090 gameResult = WhiteWins;
10092 else if( result < 0 ) {
10093 gameResult = BlackWins;
10096 if( gameMode == TwoMachinesPlay ) {
10097 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10102 // [HGM] save: calculate checksum of game to make games easily identifiable
10104 StringCheckSum (char *s)
10107 if(s==NULL) return 0;
10108 while(*s) i = i*259 + *s++;
10116 for(i=backwardMostMove; i<forwardMostMove; i++) {
10117 sum += pvInfoList[i].depth;
10118 sum += StringCheckSum(parseList[i]);
10119 sum += StringCheckSum(commentList[i]);
10122 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10123 return sum + StringCheckSum(commentList[i]);
10124 } // end of save patch
10127 GameEnds (ChessMove result, char *resultDetails, int whosays)
10129 GameMode nextGameMode;
10131 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10133 if(endingGame) return; /* [HGM] crash: forbid recursion */
10135 if(twoBoards) { // [HGM] dual: switch back to one board
10136 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10137 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10139 if (appData.debugMode) {
10140 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10141 result, resultDetails ? resultDetails : "(null)", whosays);
10144 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10146 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10147 /* If we are playing on ICS, the server decides when the
10148 game is over, but the engine can offer to draw, claim
10152 if (appData.zippyPlay && first.initDone) {
10153 if (result == GameIsDrawn) {
10154 /* In case draw still needs to be claimed */
10155 SendToICS(ics_prefix);
10156 SendToICS("draw\n");
10157 } else if (StrCaseStr(resultDetails, "resign")) {
10158 SendToICS(ics_prefix);
10159 SendToICS("resign\n");
10163 endingGame = 0; /* [HGM] crash */
10167 /* If we're loading the game from a file, stop */
10168 if (whosays == GE_FILE) {
10169 (void) StopLoadGameTimer();
10173 /* Cancel draw offers */
10174 first.offeredDraw = second.offeredDraw = 0;
10176 /* If this is an ICS game, only ICS can really say it's done;
10177 if not, anyone can. */
10178 isIcsGame = (gameMode == IcsPlayingWhite ||
10179 gameMode == IcsPlayingBlack ||
10180 gameMode == IcsObserving ||
10181 gameMode == IcsExamining);
10183 if (!isIcsGame || whosays == GE_ICS) {
10184 /* OK -- not an ICS game, or ICS said it was done */
10186 if (!isIcsGame && !appData.noChessProgram)
10187 SetUserThinkingEnables();
10189 /* [HGM] if a machine claims the game end we verify this claim */
10190 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10191 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10193 ChessMove trueResult = (ChessMove) -1;
10195 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10196 first.twoMachinesColor[0] :
10197 second.twoMachinesColor[0] ;
10199 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10200 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10201 /* [HGM] verify: engine mate claims accepted if they were flagged */
10202 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10204 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10205 /* [HGM] verify: engine mate claims accepted if they were flagged */
10206 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10208 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10209 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10212 // now verify win claims, but not in drop games, as we don't understand those yet
10213 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10214 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10215 (result == WhiteWins && claimer == 'w' ||
10216 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10217 if (appData.debugMode) {
10218 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10219 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10221 if(result != trueResult) {
10222 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10223 result = claimer == 'w' ? BlackWins : WhiteWins;
10224 resultDetails = buf;
10227 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10228 && (forwardMostMove <= backwardMostMove ||
10229 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10230 (claimer=='b')==(forwardMostMove&1))
10232 /* [HGM] verify: draws that were not flagged are false claims */
10233 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10234 result = claimer == 'w' ? BlackWins : WhiteWins;
10235 resultDetails = buf;
10237 /* (Claiming a loss is accepted no questions asked!) */
10239 /* [HGM] bare: don't allow bare King to win */
10240 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10241 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10242 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10243 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10244 && result != GameIsDrawn)
10245 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10246 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10247 int p = (signed char)boards[forwardMostMove][i][j] - color;
10248 if(p >= 0 && p <= (int)WhiteKing) k++;
10250 if (appData.debugMode) {
10251 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10252 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10255 result = GameIsDrawn;
10256 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10257 resultDetails = buf;
10263 if(serverMoves != NULL && !loadFlag) { char c = '=';
10264 if(result==WhiteWins) c = '+';
10265 if(result==BlackWins) c = '-';
10266 if(resultDetails != NULL)
10267 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10269 if (resultDetails != NULL) {
10270 gameInfo.result = result;
10271 gameInfo.resultDetails = StrSave(resultDetails);
10273 /* display last move only if game was not loaded from file */
10274 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10275 DisplayMove(currentMove - 1);
10277 if (forwardMostMove != 0) {
10278 if (gameMode != PlayFromGameFile && gameMode != EditGame
10279 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10281 if (*appData.saveGameFile != NULLCHAR) {
10282 SaveGameToFile(appData.saveGameFile, TRUE);
10283 } else if (appData.autoSaveGames) {
10286 if (*appData.savePositionFile != NULLCHAR) {
10287 SavePositionToFile(appData.savePositionFile);
10292 /* Tell program how game ended in case it is learning */
10293 /* [HGM] Moved this to after saving the PGN, just in case */
10294 /* engine died and we got here through time loss. In that */
10295 /* case we will get a fatal error writing the pipe, which */
10296 /* would otherwise lose us the PGN. */
10297 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10298 /* output during GameEnds should never be fatal anymore */
10299 if (gameMode == MachinePlaysWhite ||
10300 gameMode == MachinePlaysBlack ||
10301 gameMode == TwoMachinesPlay ||
10302 gameMode == IcsPlayingWhite ||
10303 gameMode == IcsPlayingBlack ||
10304 gameMode == BeginningOfGame) {
10306 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10308 if (first.pr != NoProc) {
10309 SendToProgram(buf, &first);
10311 if (second.pr != NoProc &&
10312 gameMode == TwoMachinesPlay) {
10313 SendToProgram(buf, &second);
10318 if (appData.icsActive) {
10319 if (appData.quietPlay &&
10320 (gameMode == IcsPlayingWhite ||
10321 gameMode == IcsPlayingBlack)) {
10322 SendToICS(ics_prefix);
10323 SendToICS("set shout 1\n");
10325 nextGameMode = IcsIdle;
10326 ics_user_moved = FALSE;
10327 /* clean up premove. It's ugly when the game has ended and the
10328 * premove highlights are still on the board.
10331 gotPremove = FALSE;
10332 ClearPremoveHighlights();
10333 DrawPosition(FALSE, boards[currentMove]);
10335 if (whosays == GE_ICS) {
10338 if (gameMode == IcsPlayingWhite)
10340 else if(gameMode == IcsPlayingBlack)
10341 PlayIcsLossSound();
10344 if (gameMode == IcsPlayingBlack)
10346 else if(gameMode == IcsPlayingWhite)
10347 PlayIcsLossSound();
10350 PlayIcsDrawSound();
10353 PlayIcsUnfinishedSound();
10356 } else if (gameMode == EditGame ||
10357 gameMode == PlayFromGameFile ||
10358 gameMode == AnalyzeMode ||
10359 gameMode == AnalyzeFile) {
10360 nextGameMode = gameMode;
10362 nextGameMode = EndOfGame;
10367 nextGameMode = gameMode;
10370 if (appData.noChessProgram) {
10371 gameMode = nextGameMode;
10373 endingGame = 0; /* [HGM] crash */
10378 /* Put first chess program into idle state */
10379 if (first.pr != NoProc &&
10380 (gameMode == MachinePlaysWhite ||
10381 gameMode == MachinePlaysBlack ||
10382 gameMode == TwoMachinesPlay ||
10383 gameMode == IcsPlayingWhite ||
10384 gameMode == IcsPlayingBlack ||
10385 gameMode == BeginningOfGame)) {
10386 SendToProgram("force\n", &first);
10387 if (first.usePing) {
10389 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10390 SendToProgram(buf, &first);
10393 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10394 /* Kill off first chess program */
10395 if (first.isr != NULL)
10396 RemoveInputSource(first.isr);
10399 if (first.pr != NoProc) {
10401 DoSleep( appData.delayBeforeQuit );
10402 SendToProgram("quit\n", &first);
10403 DoSleep( appData.delayAfterQuit );
10404 DestroyChildProcess(first.pr, first.useSigterm);
10408 if (second.reuse) {
10409 /* Put second chess program into idle state */
10410 if (second.pr != NoProc &&
10411 gameMode == TwoMachinesPlay) {
10412 SendToProgram("force\n", &second);
10413 if (second.usePing) {
10415 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10416 SendToProgram(buf, &second);
10419 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10420 /* Kill off second chess program */
10421 if (second.isr != NULL)
10422 RemoveInputSource(second.isr);
10425 if (second.pr != NoProc) {
10426 DoSleep( appData.delayBeforeQuit );
10427 SendToProgram("quit\n", &second);
10428 DoSleep( appData.delayAfterQuit );
10429 DestroyChildProcess(second.pr, second.useSigterm);
10431 second.pr = NoProc;
10434 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10435 char resChar = '=';
10439 if (first.twoMachinesColor[0] == 'w') {
10442 second.matchWins++;
10447 if (first.twoMachinesColor[0] == 'b') {
10450 second.matchWins++;
10453 case GameUnfinished:
10459 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10460 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10461 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10462 ReserveGame(nextGame, resChar); // sets nextGame
10463 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10464 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10465 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10467 if (nextGame <= appData.matchGames && !abortMatch) {
10468 gameMode = nextGameMode;
10469 matchGame = nextGame; // this will be overruled in tourney mode!
10470 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10471 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10472 endingGame = 0; /* [HGM] crash */
10475 gameMode = nextGameMode;
10476 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10477 first.tidy, second.tidy,
10478 first.matchWins, second.matchWins,
10479 appData.matchGames - (first.matchWins + second.matchWins));
10480 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10481 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10482 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10483 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10484 first.twoMachinesColor = "black\n";
10485 second.twoMachinesColor = "white\n";
10487 first.twoMachinesColor = "white\n";
10488 second.twoMachinesColor = "black\n";
10492 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10493 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10495 gameMode = nextGameMode;
10497 endingGame = 0; /* [HGM] crash */
10498 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10499 if(matchMode == TRUE) { // match through command line: exit with or without popup
10501 ToNrEvent(forwardMostMove);
10502 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10504 } else DisplayFatalError(buf, 0, 0);
10505 } else { // match through menu; just stop, with or without popup
10506 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10509 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10510 } else DisplayNote(buf);
10512 if(ranking) free(ranking);
10516 /* Assumes program was just initialized (initString sent).
10517 Leaves program in force mode. */
10519 FeedMovesToProgram (ChessProgramState *cps, int upto)
10523 if (appData.debugMode)
10524 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10525 startedFromSetupPosition ? "position and " : "",
10526 backwardMostMove, upto, cps->which);
10527 if(currentlyInitializedVariant != gameInfo.variant) {
10529 // [HGM] variantswitch: make engine aware of new variant
10530 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10531 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10532 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10533 SendToProgram(buf, cps);
10534 currentlyInitializedVariant = gameInfo.variant;
10536 SendToProgram("force\n", cps);
10537 if (startedFromSetupPosition) {
10538 SendBoard(cps, backwardMostMove);
10539 if (appData.debugMode) {
10540 fprintf(debugFP, "feedMoves\n");
10543 for (i = backwardMostMove; i < upto; i++) {
10544 SendMoveToProgram(i, cps);
10550 ResurrectChessProgram ()
10552 /* The chess program may have exited.
10553 If so, restart it and feed it all the moves made so far. */
10554 static int doInit = 0;
10556 if (appData.noChessProgram) return 1;
10558 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10559 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10560 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10561 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10563 if (first.pr != NoProc) return 1;
10564 StartChessProgram(&first);
10566 InitChessProgram(&first, FALSE);
10567 FeedMovesToProgram(&first, currentMove);
10569 if (!first.sendTime) {
10570 /* can't tell gnuchess what its clock should read,
10571 so we bow to its notion. */
10573 timeRemaining[0][currentMove] = whiteTimeRemaining;
10574 timeRemaining[1][currentMove] = blackTimeRemaining;
10577 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10578 appData.icsEngineAnalyze) && first.analysisSupport) {
10579 SendToProgram("analyze\n", &first);
10580 first.analyzing = TRUE;
10586 * Button procedures
10589 Reset (int redraw, int init)
10593 if (appData.debugMode) {
10594 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10595 redraw, init, gameMode);
10597 CleanupTail(); // [HGM] vari: delete any stored variations
10598 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10599 pausing = pauseExamInvalid = FALSE;
10600 startedFromSetupPosition = blackPlaysFirst = FALSE;
10602 whiteFlag = blackFlag = FALSE;
10603 userOfferedDraw = FALSE;
10604 hintRequested = bookRequested = FALSE;
10605 first.maybeThinking = FALSE;
10606 second.maybeThinking = FALSE;
10607 first.bookSuspend = FALSE; // [HGM] book
10608 second.bookSuspend = FALSE;
10609 thinkOutput[0] = NULLCHAR;
10610 lastHint[0] = NULLCHAR;
10611 ClearGameInfo(&gameInfo);
10612 gameInfo.variant = StringToVariant(appData.variant);
10613 ics_user_moved = ics_clock_paused = FALSE;
10614 ics_getting_history = H_FALSE;
10616 white_holding[0] = black_holding[0] = NULLCHAR;
10617 ClearProgramStats();
10618 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10622 flipView = appData.flipView;
10623 ClearPremoveHighlights();
10624 gotPremove = FALSE;
10625 alarmSounded = FALSE;
10627 GameEnds(EndOfFile, NULL, GE_PLAYER);
10628 if(appData.serverMovesName != NULL) {
10629 /* [HGM] prepare to make moves file for broadcasting */
10630 clock_t t = clock();
10631 if(serverMoves != NULL) fclose(serverMoves);
10632 serverMoves = fopen(appData.serverMovesName, "r");
10633 if(serverMoves != NULL) {
10634 fclose(serverMoves);
10635 /* delay 15 sec before overwriting, so all clients can see end */
10636 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10638 serverMoves = fopen(appData.serverMovesName, "w");
10642 gameMode = BeginningOfGame;
10644 if(appData.icsActive) gameInfo.variant = VariantNormal;
10645 currentMove = forwardMostMove = backwardMostMove = 0;
10646 MarkTargetSquares(1);
10647 InitPosition(redraw);
10648 for (i = 0; i < MAX_MOVES; i++) {
10649 if (commentList[i] != NULL) {
10650 free(commentList[i]);
10651 commentList[i] = NULL;
10655 timeRemaining[0][0] = whiteTimeRemaining;
10656 timeRemaining[1][0] = blackTimeRemaining;
10658 if (first.pr == NoProc) {
10659 StartChessProgram(&first);
10662 InitChessProgram(&first, startedFromSetupPosition);
10665 DisplayMessage("", "");
10666 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10667 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10671 AutoPlayGameLoop ()
10674 if (!AutoPlayOneMove())
10676 if (matchMode || appData.timeDelay == 0)
10678 if (appData.timeDelay < 0)
10680 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10689 int fromX, fromY, toX, toY;
10691 if (appData.debugMode) {
10692 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10695 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10698 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10699 pvInfoList[currentMove].depth = programStats.depth;
10700 pvInfoList[currentMove].score = programStats.score;
10701 pvInfoList[currentMove].time = 0;
10702 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10705 if (currentMove >= forwardMostMove) {
10706 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10707 // gameMode = EndOfGame;
10708 // ModeHighlight();
10710 /* [AS] Clear current move marker at the end of a game */
10711 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10716 toX = moveList[currentMove][2] - AAA;
10717 toY = moveList[currentMove][3] - ONE;
10719 if (moveList[currentMove][1] == '@') {
10720 if (appData.highlightLastMove) {
10721 SetHighlights(-1, -1, toX, toY);
10724 fromX = moveList[currentMove][0] - AAA;
10725 fromY = moveList[currentMove][1] - ONE;
10727 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10729 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10731 if (appData.highlightLastMove) {
10732 SetHighlights(fromX, fromY, toX, toY);
10735 DisplayMove(currentMove);
10736 SendMoveToProgram(currentMove++, &first);
10737 DisplayBothClocks();
10738 DrawPosition(FALSE, boards[currentMove]);
10739 // [HGM] PV info: always display, routine tests if empty
10740 DisplayComment(currentMove - 1, commentList[currentMove]);
10746 LoadGameOneMove (ChessMove readAhead)
10748 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10749 char promoChar = NULLCHAR;
10750 ChessMove moveType;
10751 char move[MSG_SIZ];
10754 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10755 gameMode != AnalyzeMode && gameMode != Training) {
10760 yyboardindex = forwardMostMove;
10761 if (readAhead != EndOfFile) {
10762 moveType = readAhead;
10764 if (gameFileFP == NULL)
10766 moveType = (ChessMove) Myylex();
10770 switch (moveType) {
10772 if (appData.debugMode)
10773 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10776 /* append the comment but don't display it */
10777 AppendComment(currentMove, p, FALSE);
10780 case WhiteCapturesEnPassant:
10781 case BlackCapturesEnPassant:
10782 case WhitePromotion:
10783 case BlackPromotion:
10784 case WhiteNonPromotion:
10785 case BlackNonPromotion:
10787 case WhiteKingSideCastle:
10788 case WhiteQueenSideCastle:
10789 case BlackKingSideCastle:
10790 case BlackQueenSideCastle:
10791 case WhiteKingSideCastleWild:
10792 case WhiteQueenSideCastleWild:
10793 case BlackKingSideCastleWild:
10794 case BlackQueenSideCastleWild:
10796 case WhiteHSideCastleFR:
10797 case WhiteASideCastleFR:
10798 case BlackHSideCastleFR:
10799 case BlackASideCastleFR:
10801 if (appData.debugMode)
10802 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10803 fromX = currentMoveString[0] - AAA;
10804 fromY = currentMoveString[1] - ONE;
10805 toX = currentMoveString[2] - AAA;
10806 toY = currentMoveString[3] - ONE;
10807 promoChar = currentMoveString[4];
10812 if (appData.debugMode)
10813 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10814 fromX = moveType == WhiteDrop ?
10815 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10816 (int) CharToPiece(ToLower(currentMoveString[0]));
10818 toX = currentMoveString[2] - AAA;
10819 toY = currentMoveString[3] - ONE;
10825 case GameUnfinished:
10826 if (appData.debugMode)
10827 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10828 p = strchr(yy_text, '{');
10829 if (p == NULL) p = strchr(yy_text, '(');
10832 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10834 q = strchr(p, *p == '{' ? '}' : ')');
10835 if (q != NULL) *q = NULLCHAR;
10838 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10839 GameEnds(moveType, p, GE_FILE);
10841 if (cmailMsgLoaded) {
10843 flipView = WhiteOnMove(currentMove);
10844 if (moveType == GameUnfinished) flipView = !flipView;
10845 if (appData.debugMode)
10846 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10851 if (appData.debugMode)
10852 fprintf(debugFP, "Parser hit end of file\n");
10853 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10859 if (WhiteOnMove(currentMove)) {
10860 GameEnds(BlackWins, "Black mates", GE_FILE);
10862 GameEnds(WhiteWins, "White mates", GE_FILE);
10866 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10872 case MoveNumberOne:
10873 if (lastLoadGameStart == GNUChessGame) {
10874 /* GNUChessGames have numbers, but they aren't move numbers */
10875 if (appData.debugMode)
10876 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10877 yy_text, (int) moveType);
10878 return LoadGameOneMove(EndOfFile); /* tail recursion */
10880 /* else fall thru */
10885 /* Reached start of next game in file */
10886 if (appData.debugMode)
10887 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10888 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10894 if (WhiteOnMove(currentMove)) {
10895 GameEnds(BlackWins, "Black mates", GE_FILE);
10897 GameEnds(WhiteWins, "White mates", GE_FILE);
10901 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10907 case PositionDiagram: /* should not happen; ignore */
10908 case ElapsedTime: /* ignore */
10909 case NAG: /* ignore */
10910 if (appData.debugMode)
10911 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10912 yy_text, (int) moveType);
10913 return LoadGameOneMove(EndOfFile); /* tail recursion */
10916 if (appData.testLegality) {
10917 if (appData.debugMode)
10918 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
10919 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10920 (forwardMostMove / 2) + 1,
10921 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10922 DisplayError(move, 0);
10925 if (appData.debugMode)
10926 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
10927 yy_text, currentMoveString);
10928 fromX = currentMoveString[0] - AAA;
10929 fromY = currentMoveString[1] - ONE;
10930 toX = currentMoveString[2] - AAA;
10931 toY = currentMoveString[3] - ONE;
10932 promoChar = currentMoveString[4];
10936 case AmbiguousMove:
10937 if (appData.debugMode)
10938 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
10939 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
10940 (forwardMostMove / 2) + 1,
10941 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10942 DisplayError(move, 0);
10947 case ImpossibleMove:
10948 if (appData.debugMode)
10949 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
10950 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
10951 (forwardMostMove / 2) + 1,
10952 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
10953 DisplayError(move, 0);
10959 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
10960 DrawPosition(FALSE, boards[currentMove]);
10961 DisplayBothClocks();
10962 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
10963 DisplayComment(currentMove - 1, commentList[currentMove]);
10965 (void) StopLoadGameTimer();
10967 cmailOldMove = forwardMostMove;
10970 /* currentMoveString is set as a side-effect of yylex */
10972 thinkOutput[0] = NULLCHAR;
10973 MakeMove(fromX, fromY, toX, toY, promoChar);
10974 currentMove = forwardMostMove;
10979 /* Load the nth game from the given file */
10981 LoadGameFromFile (char *filename, int n, char *title, int useList)
10986 if (strcmp(filename, "-") == 0) {
10990 f = fopen(filename, "rb");
10992 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
10993 DisplayError(buf, errno);
10997 if (fseek(f, 0, 0) == -1) {
10998 /* f is not seekable; probably a pipe */
11001 if (useList && n == 0) {
11002 int error = GameListBuild(f);
11004 DisplayError(_("Cannot build game list"), error);
11005 } else if (!ListEmpty(&gameList) &&
11006 ((ListGame *) gameList.tailPred)->number > 1) {
11007 GameListPopUp(f, title);
11014 return LoadGame(f, n, title, FALSE);
11019 MakeRegisteredMove ()
11021 int fromX, fromY, toX, toY;
11023 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11024 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11027 if (appData.debugMode)
11028 fprintf(debugFP, "Restoring %s for game %d\n",
11029 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11031 thinkOutput[0] = NULLCHAR;
11032 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11033 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11034 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11035 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11036 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11037 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11038 MakeMove(fromX, fromY, toX, toY, promoChar);
11039 ShowMove(fromX, fromY, toX, toY);
11041 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11048 if (WhiteOnMove(currentMove)) {
11049 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11051 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11056 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11063 if (WhiteOnMove(currentMove)) {
11064 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11066 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11071 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11082 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11084 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11088 if (gameNumber > nCmailGames) {
11089 DisplayError(_("No more games in this message"), 0);
11092 if (f == lastLoadGameFP) {
11093 int offset = gameNumber - lastLoadGameNumber;
11095 cmailMsg[0] = NULLCHAR;
11096 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11097 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11098 nCmailMovesRegistered--;
11100 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11101 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11102 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11105 if (! RegisterMove()) return FALSE;
11109 retVal = LoadGame(f, gameNumber, title, useList);
11111 /* Make move registered during previous look at this game, if any */
11112 MakeRegisteredMove();
11114 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11115 commentList[currentMove]
11116 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11117 DisplayComment(currentMove - 1, commentList[currentMove]);
11123 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11125 ReloadGame (int offset)
11127 int gameNumber = lastLoadGameNumber + offset;
11128 if (lastLoadGameFP == NULL) {
11129 DisplayError(_("No game has been loaded yet"), 0);
11132 if (gameNumber <= 0) {
11133 DisplayError(_("Can't back up any further"), 0);
11136 if (cmailMsgLoaded) {
11137 return CmailLoadGame(lastLoadGameFP, gameNumber,
11138 lastLoadGameTitle, lastLoadGameUseList);
11140 return LoadGame(lastLoadGameFP, gameNumber,
11141 lastLoadGameTitle, lastLoadGameUseList);
11145 int keys[EmptySquare+1];
11148 PositionMatches (Board b1, Board b2)
11151 switch(appData.searchMode) {
11152 case 1: return CompareWithRights(b1, b2);
11154 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11155 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11159 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11160 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11161 sum += keys[b1[r][f]] - keys[b2[r][f]];
11165 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11166 sum += keys[b1[r][f]] - keys[b2[r][f]];
11178 int pieceList[256], quickBoard[256];
11179 ChessSquare pieceType[256] = { EmptySquare };
11180 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11181 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11182 int soughtTotal, turn;
11183 Boolean epOK, flipSearch;
11186 unsigned char piece, to;
11189 #define DSIZE (250000)
11191 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11192 Move *moveDatabase = initialSpace;
11193 unsigned int movePtr, dataSize = DSIZE;
11196 MakePieceList (Board board, int *counts)
11198 int r, f, n=Q_PROMO, total=0;
11199 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11200 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11201 int sq = f + (r<<4);
11202 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11203 quickBoard[sq] = ++n;
11205 pieceType[n] = board[r][f];
11206 counts[board[r][f]]++;
11207 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11208 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11212 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11217 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11219 int sq = fromX + (fromY<<4);
11220 int piece = quickBoard[sq];
11221 quickBoard[sq] = 0;
11222 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11223 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11224 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11225 moveDatabase[movePtr++].piece = Q_WCASTL;
11226 quickBoard[sq] = piece;
11227 piece = quickBoard[from]; quickBoard[from] = 0;
11228 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11230 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11231 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11232 moveDatabase[movePtr++].piece = Q_BCASTL;
11233 quickBoard[sq] = piece;
11234 piece = quickBoard[from]; quickBoard[from] = 0;
11235 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11237 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11238 quickBoard[(fromY<<4)+toX] = 0;
11239 moveDatabase[movePtr].piece = Q_EP;
11240 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11241 moveDatabase[movePtr].to = sq;
11243 if(promoPiece != pieceType[piece]) {
11244 moveDatabase[movePtr++].piece = Q_PROMO;
11245 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11247 moveDatabase[movePtr].piece = piece;
11248 quickBoard[sq] = piece;
11253 PackGame (Board board)
11255 Move *newSpace = NULL;
11256 moveDatabase[movePtr].piece = 0; // terminate previous game
11257 if(movePtr > dataSize) {
11258 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11259 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11260 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11263 Move *p = moveDatabase, *q = newSpace;
11264 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11265 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11266 moveDatabase = newSpace;
11267 } else { // calloc failed, we must be out of memory. Too bad...
11268 dataSize = 0; // prevent calloc events for all subsequent games
11269 return 0; // and signal this one isn't cached
11273 MakePieceList(board, counts);
11278 QuickCompare (Board board, int *minCounts, int *maxCounts)
11279 { // compare according to search mode
11281 switch(appData.searchMode)
11283 case 1: // exact position match
11284 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11285 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11286 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11289 case 2: // can have extra material on empty squares
11290 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11291 if(board[r][f] == EmptySquare) continue;
11292 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11295 case 3: // material with exact Pawn structure
11296 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11297 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11298 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11299 } // fall through to material comparison
11300 case 4: // exact material
11301 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11303 case 6: // material range with given imbalance
11304 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11305 // fall through to range comparison
11306 case 5: // material range
11307 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11313 QuickScan (Board board, Move *move)
11314 { // reconstruct game,and compare all positions in it
11315 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11317 int piece = move->piece;
11318 int to = move->to, from = pieceList[piece];
11319 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11320 if(!piece) return -1;
11321 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11322 piece = (++move)->piece;
11323 from = pieceList[piece];
11324 counts[pieceType[piece]]--;
11325 pieceType[piece] = (ChessSquare) move->to;
11326 counts[move->to]++;
11327 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11328 counts[pieceType[quickBoard[to]]]--;
11329 quickBoard[to] = 0; total--;
11332 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11333 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11334 from = pieceList[piece]; // so this must be King
11335 quickBoard[from] = 0;
11336 quickBoard[to] = piece;
11337 pieceList[piece] = to;
11342 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11343 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11344 quickBoard[from] = 0;
11345 quickBoard[to] = piece;
11346 pieceList[piece] = to;
11348 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11349 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11350 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11351 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11353 static int lastCounts[EmptySquare+1];
11355 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11356 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11357 } else stretch = 0;
11358 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11367 flipSearch = FALSE;
11368 CopyBoard(soughtBoard, boards[currentMove]);
11369 soughtTotal = MakePieceList(soughtBoard, maxSought);
11370 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11371 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11372 CopyBoard(reverseBoard, boards[currentMove]);
11373 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11374 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11375 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11376 reverseBoard[r][f] = piece;
11378 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11379 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11380 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11381 || (boards[currentMove][CASTLING][2] == NoRights ||
11382 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11383 && (boards[currentMove][CASTLING][5] == NoRights ||
11384 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11387 CopyBoard(flipBoard, soughtBoard);
11388 CopyBoard(rotateBoard, reverseBoard);
11389 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11390 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11391 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11394 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11395 if(appData.searchMode >= 5) {
11396 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11397 MakePieceList(soughtBoard, minSought);
11398 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11400 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11401 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11404 GameInfo dummyInfo;
11407 GameContainsPosition (FILE *f, ListGame *lg)
11409 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11410 int fromX, fromY, toX, toY;
11412 static int initDone=FALSE;
11414 // weed out games based on numerical tag comparison
11415 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11416 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11417 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11418 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11420 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11423 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11424 else CopyBoard(boards[scratch], initialPosition); // default start position
11427 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11428 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11431 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11432 fseek(f, lg->offset, 0);
11435 yyboardindex = scratch;
11436 quickFlag = plyNr+1;
11441 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11447 if(plyNr) return -1; // after we have seen moves, this is for new game
11450 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11451 case ImpossibleMove:
11452 case WhiteWins: // game ends here with these four
11455 case GameUnfinished:
11459 if(appData.testLegality) return -1;
11460 case WhiteCapturesEnPassant:
11461 case BlackCapturesEnPassant:
11462 case WhitePromotion:
11463 case BlackPromotion:
11464 case WhiteNonPromotion:
11465 case BlackNonPromotion:
11467 case WhiteKingSideCastle:
11468 case WhiteQueenSideCastle:
11469 case BlackKingSideCastle:
11470 case BlackQueenSideCastle:
11471 case WhiteKingSideCastleWild:
11472 case WhiteQueenSideCastleWild:
11473 case BlackKingSideCastleWild:
11474 case BlackQueenSideCastleWild:
11475 case WhiteHSideCastleFR:
11476 case WhiteASideCastleFR:
11477 case BlackHSideCastleFR:
11478 case BlackASideCastleFR:
11479 fromX = currentMoveString[0] - AAA;
11480 fromY = currentMoveString[1] - ONE;
11481 toX = currentMoveString[2] - AAA;
11482 toY = currentMoveString[3] - ONE;
11483 promoChar = currentMoveString[4];
11487 fromX = next == WhiteDrop ?
11488 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11489 (int) CharToPiece(ToLower(currentMoveString[0]));
11491 toX = currentMoveString[2] - AAA;
11492 toY = currentMoveString[3] - ONE;
11496 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11498 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11499 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11500 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11501 if(appData.findMirror) {
11502 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11503 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11508 /* Load the nth game from open file f */
11510 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11514 int gn = gameNumber;
11515 ListGame *lg = NULL;
11516 int numPGNTags = 0;
11518 GameMode oldGameMode;
11519 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11521 if (appData.debugMode)
11522 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11524 if (gameMode == Training )
11525 SetTrainingModeOff();
11527 oldGameMode = gameMode;
11528 if (gameMode != BeginningOfGame) {
11529 Reset(FALSE, TRUE);
11533 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11534 fclose(lastLoadGameFP);
11538 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11541 fseek(f, lg->offset, 0);
11542 GameListHighlight(gameNumber);
11543 pos = lg->position;
11547 DisplayError(_("Game number out of range"), 0);
11552 if (fseek(f, 0, 0) == -1) {
11553 if (f == lastLoadGameFP ?
11554 gameNumber == lastLoadGameNumber + 1 :
11558 DisplayError(_("Can't seek on game file"), 0);
11563 lastLoadGameFP = f;
11564 lastLoadGameNumber = gameNumber;
11565 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11566 lastLoadGameUseList = useList;
11570 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11571 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11572 lg->gameInfo.black);
11574 } else if (*title != NULLCHAR) {
11575 if (gameNumber > 1) {
11576 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11579 DisplayTitle(title);
11583 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11584 gameMode = PlayFromGameFile;
11588 currentMove = forwardMostMove = backwardMostMove = 0;
11589 CopyBoard(boards[0], initialPosition);
11593 * Skip the first gn-1 games in the file.
11594 * Also skip over anything that precedes an identifiable
11595 * start of game marker, to avoid being confused by
11596 * garbage at the start of the file. Currently
11597 * recognized start of game markers are the move number "1",
11598 * the pattern "gnuchess .* game", the pattern
11599 * "^[#;%] [^ ]* game file", and a PGN tag block.
11600 * A game that starts with one of the latter two patterns
11601 * will also have a move number 1, possibly
11602 * following a position diagram.
11603 * 5-4-02: Let's try being more lenient and allowing a game to
11604 * start with an unnumbered move. Does that break anything?
11606 cm = lastLoadGameStart = EndOfFile;
11608 yyboardindex = forwardMostMove;
11609 cm = (ChessMove) Myylex();
11612 if (cmailMsgLoaded) {
11613 nCmailGames = CMAIL_MAX_GAMES - gn;
11616 DisplayError(_("Game not found in file"), 0);
11623 lastLoadGameStart = cm;
11626 case MoveNumberOne:
11627 switch (lastLoadGameStart) {
11632 case MoveNumberOne:
11634 gn--; /* count this game */
11635 lastLoadGameStart = cm;
11644 switch (lastLoadGameStart) {
11647 case MoveNumberOne:
11649 gn--; /* count this game */
11650 lastLoadGameStart = cm;
11653 lastLoadGameStart = cm; /* game counted already */
11661 yyboardindex = forwardMostMove;
11662 cm = (ChessMove) Myylex();
11663 } while (cm == PGNTag || cm == Comment);
11670 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11671 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11672 != CMAIL_OLD_RESULT) {
11674 cmailResult[ CMAIL_MAX_GAMES
11675 - gn - 1] = CMAIL_OLD_RESULT;
11681 /* Only a NormalMove can be at the start of a game
11682 * without a position diagram. */
11683 if (lastLoadGameStart == EndOfFile ) {
11685 lastLoadGameStart = MoveNumberOne;
11694 if (appData.debugMode)
11695 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11697 if (cm == XBoardGame) {
11698 /* Skip any header junk before position diagram and/or move 1 */
11700 yyboardindex = forwardMostMove;
11701 cm = (ChessMove) Myylex();
11703 if (cm == EndOfFile ||
11704 cm == GNUChessGame || cm == XBoardGame) {
11705 /* Empty game; pretend end-of-file and handle later */
11710 if (cm == MoveNumberOne || cm == PositionDiagram ||
11711 cm == PGNTag || cm == Comment)
11714 } else if (cm == GNUChessGame) {
11715 if (gameInfo.event != NULL) {
11716 free(gameInfo.event);
11718 gameInfo.event = StrSave(yy_text);
11721 startedFromSetupPosition = FALSE;
11722 while (cm == PGNTag) {
11723 if (appData.debugMode)
11724 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11725 err = ParsePGNTag(yy_text, &gameInfo);
11726 if (!err) numPGNTags++;
11728 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11729 if(gameInfo.variant != oldVariant) {
11730 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11731 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11732 InitPosition(TRUE);
11733 oldVariant = gameInfo.variant;
11734 if (appData.debugMode)
11735 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11739 if (gameInfo.fen != NULL) {
11740 Board initial_position;
11741 startedFromSetupPosition = TRUE;
11742 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11744 DisplayError(_("Bad FEN position in file"), 0);
11747 CopyBoard(boards[0], initial_position);
11748 if (blackPlaysFirst) {
11749 currentMove = forwardMostMove = backwardMostMove = 1;
11750 CopyBoard(boards[1], initial_position);
11751 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11752 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11753 timeRemaining[0][1] = whiteTimeRemaining;
11754 timeRemaining[1][1] = blackTimeRemaining;
11755 if (commentList[0] != NULL) {
11756 commentList[1] = commentList[0];
11757 commentList[0] = NULL;
11760 currentMove = forwardMostMove = backwardMostMove = 0;
11762 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11764 initialRulePlies = FENrulePlies;
11765 for( i=0; i< nrCastlingRights; i++ )
11766 initialRights[i] = initial_position[CASTLING][i];
11768 yyboardindex = forwardMostMove;
11769 free(gameInfo.fen);
11770 gameInfo.fen = NULL;
11773 yyboardindex = forwardMostMove;
11774 cm = (ChessMove) Myylex();
11776 /* Handle comments interspersed among the tags */
11777 while (cm == Comment) {
11779 if (appData.debugMode)
11780 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11782 AppendComment(currentMove, p, FALSE);
11783 yyboardindex = forwardMostMove;
11784 cm = (ChessMove) Myylex();
11788 /* don't rely on existence of Event tag since if game was
11789 * pasted from clipboard the Event tag may not exist
11791 if (numPGNTags > 0){
11793 if (gameInfo.variant == VariantNormal) {
11794 VariantClass v = StringToVariant(gameInfo.event);
11795 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11796 if(v < VariantShogi) gameInfo.variant = v;
11799 if( appData.autoDisplayTags ) {
11800 tags = PGNTags(&gameInfo);
11801 TagsPopUp(tags, CmailMsg());
11806 /* Make something up, but don't display it now */
11811 if (cm == PositionDiagram) {
11814 Board initial_position;
11816 if (appData.debugMode)
11817 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11819 if (!startedFromSetupPosition) {
11821 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11822 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11833 initial_position[i][j++] = CharToPiece(*p);
11836 while (*p == ' ' || *p == '\t' ||
11837 *p == '\n' || *p == '\r') p++;
11839 if (strncmp(p, "black", strlen("black"))==0)
11840 blackPlaysFirst = TRUE;
11842 blackPlaysFirst = FALSE;
11843 startedFromSetupPosition = TRUE;
11845 CopyBoard(boards[0], initial_position);
11846 if (blackPlaysFirst) {
11847 currentMove = forwardMostMove = backwardMostMove = 1;
11848 CopyBoard(boards[1], initial_position);
11849 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11850 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11851 timeRemaining[0][1] = whiteTimeRemaining;
11852 timeRemaining[1][1] = blackTimeRemaining;
11853 if (commentList[0] != NULL) {
11854 commentList[1] = commentList[0];
11855 commentList[0] = NULL;
11858 currentMove = forwardMostMove = backwardMostMove = 0;
11861 yyboardindex = forwardMostMove;
11862 cm = (ChessMove) Myylex();
11865 if (first.pr == NoProc) {
11866 StartChessProgram(&first);
11868 InitChessProgram(&first, FALSE);
11869 SendToProgram("force\n", &first);
11870 if (startedFromSetupPosition) {
11871 SendBoard(&first, forwardMostMove);
11872 if (appData.debugMode) {
11873 fprintf(debugFP, "Load Game\n");
11875 DisplayBothClocks();
11878 /* [HGM] server: flag to write setup moves in broadcast file as one */
11879 loadFlag = appData.suppressLoadMoves;
11881 while (cm == Comment) {
11883 if (appData.debugMode)
11884 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11886 AppendComment(currentMove, p, FALSE);
11887 yyboardindex = forwardMostMove;
11888 cm = (ChessMove) Myylex();
11891 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11892 cm == WhiteWins || cm == BlackWins ||
11893 cm == GameIsDrawn || cm == GameUnfinished) {
11894 DisplayMessage("", _("No moves in game"));
11895 if (cmailMsgLoaded) {
11896 if (appData.debugMode)
11897 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11901 DrawPosition(FALSE, boards[currentMove]);
11902 DisplayBothClocks();
11903 gameMode = EditGame;
11910 // [HGM] PV info: routine tests if comment empty
11911 if (!matchMode && (pausing || appData.timeDelay != 0)) {
11912 DisplayComment(currentMove - 1, commentList[currentMove]);
11914 if (!matchMode && appData.timeDelay != 0)
11915 DrawPosition(FALSE, boards[currentMove]);
11917 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
11918 programStats.ok_to_send = 1;
11921 /* if the first token after the PGN tags is a move
11922 * and not move number 1, retrieve it from the parser
11924 if (cm != MoveNumberOne)
11925 LoadGameOneMove(cm);
11927 /* load the remaining moves from the file */
11928 while (LoadGameOneMove(EndOfFile)) {
11929 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
11930 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
11933 /* rewind to the start of the game */
11934 currentMove = backwardMostMove;
11936 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11938 if (oldGameMode == AnalyzeFile ||
11939 oldGameMode == AnalyzeMode) {
11940 AnalyzeFileEvent();
11943 if (!matchMode && pos >= 0) {
11944 ToNrEvent(pos); // [HGM] no autoplay if selected on position
11946 if (matchMode || appData.timeDelay == 0) {
11948 } else if (appData.timeDelay > 0) {
11949 AutoPlayGameLoop();
11952 if (appData.debugMode)
11953 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
11955 loadFlag = 0; /* [HGM] true game starts */
11959 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
11961 ReloadPosition (int offset)
11963 int positionNumber = lastLoadPositionNumber + offset;
11964 if (lastLoadPositionFP == NULL) {
11965 DisplayError(_("No position has been loaded yet"), 0);
11968 if (positionNumber <= 0) {
11969 DisplayError(_("Can't back up any further"), 0);
11972 return LoadPosition(lastLoadPositionFP, positionNumber,
11973 lastLoadPositionTitle);
11976 /* Load the nth position from the given file */
11978 LoadPositionFromFile (char *filename, int n, char *title)
11983 if (strcmp(filename, "-") == 0) {
11984 return LoadPosition(stdin, n, "stdin");
11986 f = fopen(filename, "rb");
11988 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11989 DisplayError(buf, errno);
11992 return LoadPosition(f, n, title);
11997 /* Load the nth position from the given open file, and close it */
11999 LoadPosition (FILE *f, int positionNumber, char *title)
12001 char *p, line[MSG_SIZ];
12002 Board initial_position;
12003 int i, j, fenMode, pn;
12005 if (gameMode == Training )
12006 SetTrainingModeOff();
12008 if (gameMode != BeginningOfGame) {
12009 Reset(FALSE, TRUE);
12011 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12012 fclose(lastLoadPositionFP);
12014 if (positionNumber == 0) positionNumber = 1;
12015 lastLoadPositionFP = f;
12016 lastLoadPositionNumber = positionNumber;
12017 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12018 if (first.pr == NoProc && !appData.noChessProgram) {
12019 StartChessProgram(&first);
12020 InitChessProgram(&first, FALSE);
12022 pn = positionNumber;
12023 if (positionNumber < 0) {
12024 /* Negative position number means to seek to that byte offset */
12025 if (fseek(f, -positionNumber, 0) == -1) {
12026 DisplayError(_("Can't seek on position file"), 0);
12031 if (fseek(f, 0, 0) == -1) {
12032 if (f == lastLoadPositionFP ?
12033 positionNumber == lastLoadPositionNumber + 1 :
12034 positionNumber == 1) {
12037 DisplayError(_("Can't seek on position file"), 0);
12042 /* See if this file is FEN or old-style xboard */
12043 if (fgets(line, MSG_SIZ, f) == NULL) {
12044 DisplayError(_("Position not found in file"), 0);
12047 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12048 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12051 if (fenMode || line[0] == '#') pn--;
12053 /* skip positions before number pn */
12054 if (fgets(line, MSG_SIZ, f) == NULL) {
12056 DisplayError(_("Position not found in file"), 0);
12059 if (fenMode || line[0] == '#') pn--;
12064 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12065 DisplayError(_("Bad FEN position in file"), 0);
12069 (void) fgets(line, MSG_SIZ, f);
12070 (void) fgets(line, MSG_SIZ, f);
12072 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12073 (void) fgets(line, MSG_SIZ, f);
12074 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12077 initial_position[i][j++] = CharToPiece(*p);
12081 blackPlaysFirst = FALSE;
12083 (void) fgets(line, MSG_SIZ, f);
12084 if (strncmp(line, "black", strlen("black"))==0)
12085 blackPlaysFirst = TRUE;
12088 startedFromSetupPosition = TRUE;
12090 CopyBoard(boards[0], initial_position);
12091 if (blackPlaysFirst) {
12092 currentMove = forwardMostMove = backwardMostMove = 1;
12093 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12094 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12095 CopyBoard(boards[1], initial_position);
12096 DisplayMessage("", _("Black to play"));
12098 currentMove = forwardMostMove = backwardMostMove = 0;
12099 DisplayMessage("", _("White to play"));
12101 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12102 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12103 SendToProgram("force\n", &first);
12104 SendBoard(&first, forwardMostMove);
12106 if (appData.debugMode) {
12108 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12109 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12110 fprintf(debugFP, "Load Position\n");
12113 if (positionNumber > 1) {
12114 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12115 DisplayTitle(line);
12117 DisplayTitle(title);
12119 gameMode = EditGame;
12122 timeRemaining[0][1] = whiteTimeRemaining;
12123 timeRemaining[1][1] = blackTimeRemaining;
12124 DrawPosition(FALSE, boards[currentMove]);
12131 CopyPlayerNameIntoFileName (char **dest, char *src)
12133 while (*src != NULLCHAR && *src != ',') {
12138 *(*dest)++ = *src++;
12144 DefaultFileName (char *ext)
12146 static char def[MSG_SIZ];
12149 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12151 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12153 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12155 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12162 /* Save the current game to the given file */
12164 SaveGameToFile (char *filename, int append)
12168 int result, i, t,tot=0;
12170 if (strcmp(filename, "-") == 0) {
12171 return SaveGame(stdout, 0, NULL);
12173 for(i=0; i<10; i++) { // upto 10 tries
12174 f = fopen(filename, append ? "a" : "w");
12175 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12176 if(f || errno != 13) break;
12177 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12181 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12182 DisplayError(buf, errno);
12185 safeStrCpy(buf, lastMsg, MSG_SIZ);
12186 DisplayMessage(_("Waiting for access to save file"), "");
12187 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12188 DisplayMessage(_("Saving game"), "");
12189 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12190 result = SaveGame(f, 0, NULL);
12191 DisplayMessage(buf, "");
12198 SavePart (char *str)
12200 static char buf[MSG_SIZ];
12203 p = strchr(str, ' ');
12204 if (p == NULL) return str;
12205 strncpy(buf, str, p - str);
12206 buf[p - str] = NULLCHAR;
12210 #define PGN_MAX_LINE 75
12212 #define PGN_SIDE_WHITE 0
12213 #define PGN_SIDE_BLACK 1
12216 FindFirstMoveOutOfBook (int side)
12220 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12221 int index = backwardMostMove;
12222 int has_book_hit = 0;
12224 if( (index % 2) != side ) {
12228 while( index < forwardMostMove ) {
12229 /* Check to see if engine is in book */
12230 int depth = pvInfoList[index].depth;
12231 int score = pvInfoList[index].score;
12237 else if( score == 0 && depth == 63 ) {
12238 in_book = 1; /* Zappa */
12240 else if( score == 2 && depth == 99 ) {
12241 in_book = 1; /* Abrok */
12244 has_book_hit += in_book;
12260 GetOutOfBookInfo (char * buf)
12264 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12266 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12267 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12271 if( oob[0] >= 0 || oob[1] >= 0 ) {
12272 for( i=0; i<2; i++ ) {
12276 if( i > 0 && oob[0] >= 0 ) {
12277 strcat( buf, " " );
12280 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12281 sprintf( buf+strlen(buf), "%s%.2f",
12282 pvInfoList[idx].score >= 0 ? "+" : "",
12283 pvInfoList[idx].score / 100.0 );
12289 /* Save game in PGN style and close the file */
12291 SaveGamePGN (FILE *f)
12293 int i, offset, linelen, newblock;
12297 int movelen, numlen, blank;
12298 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12300 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12302 tm = time((time_t *) NULL);
12304 PrintPGNTags(f, &gameInfo);
12306 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12308 if (backwardMostMove > 0 || startedFromSetupPosition) {
12309 char *fen = PositionToFEN(backwardMostMove, NULL);
12310 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12311 fprintf(f, "\n{--------------\n");
12312 PrintPosition(f, backwardMostMove);
12313 fprintf(f, "--------------}\n");
12317 /* [AS] Out of book annotation */
12318 if( appData.saveOutOfBookInfo ) {
12321 GetOutOfBookInfo( buf );
12323 if( buf[0] != '\0' ) {
12324 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12331 i = backwardMostMove;
12335 while (i < forwardMostMove) {
12336 /* Print comments preceding this move */
12337 if (commentList[i] != NULL) {
12338 if (linelen > 0) fprintf(f, "\n");
12339 fprintf(f, "%s", commentList[i]);
12344 /* Format move number */
12346 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12349 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12351 numtext[0] = NULLCHAR;
12353 numlen = strlen(numtext);
12356 /* Print move number */
12357 blank = linelen > 0 && numlen > 0;
12358 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12367 fprintf(f, "%s", numtext);
12371 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12372 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12375 blank = linelen > 0 && movelen > 0;
12376 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12385 fprintf(f, "%s", move_buffer);
12386 linelen += movelen;
12388 /* [AS] Add PV info if present */
12389 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12390 /* [HGM] add time */
12391 char buf[MSG_SIZ]; int seconds;
12393 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12399 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12402 seconds = (seconds + 4)/10; // round to full seconds
12404 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12406 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12409 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12410 pvInfoList[i].score >= 0 ? "+" : "",
12411 pvInfoList[i].score / 100.0,
12412 pvInfoList[i].depth,
12415 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12417 /* Print score/depth */
12418 blank = linelen > 0 && movelen > 0;
12419 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12428 fprintf(f, "%s", move_buffer);
12429 linelen += movelen;
12435 /* Start a new line */
12436 if (linelen > 0) fprintf(f, "\n");
12438 /* Print comments after last move */
12439 if (commentList[i] != NULL) {
12440 fprintf(f, "%s\n", commentList[i]);
12444 if (gameInfo.resultDetails != NULL &&
12445 gameInfo.resultDetails[0] != NULLCHAR) {
12446 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12447 PGNResult(gameInfo.result));
12449 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12453 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12457 /* Save game in old style and close the file */
12459 SaveGameOldStyle (FILE *f)
12464 tm = time((time_t *) NULL);
12466 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12469 if (backwardMostMove > 0 || startedFromSetupPosition) {
12470 fprintf(f, "\n[--------------\n");
12471 PrintPosition(f, backwardMostMove);
12472 fprintf(f, "--------------]\n");
12477 i = backwardMostMove;
12478 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12480 while (i < forwardMostMove) {
12481 if (commentList[i] != NULL) {
12482 fprintf(f, "[%s]\n", commentList[i]);
12485 if ((i % 2) == 1) {
12486 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12489 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12491 if (commentList[i] != NULL) {
12495 if (i >= forwardMostMove) {
12499 fprintf(f, "%s\n", parseList[i]);
12504 if (commentList[i] != NULL) {
12505 fprintf(f, "[%s]\n", commentList[i]);
12508 /* This isn't really the old style, but it's close enough */
12509 if (gameInfo.resultDetails != NULL &&
12510 gameInfo.resultDetails[0] != NULLCHAR) {
12511 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12512 gameInfo.resultDetails);
12514 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12521 /* Save the current game to open file f and close the file */
12523 SaveGame (FILE *f, int dummy, char *dummy2)
12525 if (gameMode == EditPosition) EditPositionDone(TRUE);
12526 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12527 if (appData.oldSaveStyle)
12528 return SaveGameOldStyle(f);
12530 return SaveGamePGN(f);
12533 /* Save the current position to the given file */
12535 SavePositionToFile (char *filename)
12540 if (strcmp(filename, "-") == 0) {
12541 return SavePosition(stdout, 0, NULL);
12543 f = fopen(filename, "a");
12545 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12546 DisplayError(buf, errno);
12549 safeStrCpy(buf, lastMsg, MSG_SIZ);
12550 DisplayMessage(_("Waiting for access to save file"), "");
12551 flock(fileno(f), LOCK_EX); // [HGM] lock
12552 DisplayMessage(_("Saving position"), "");
12553 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12554 SavePosition(f, 0, NULL);
12555 DisplayMessage(buf, "");
12561 /* Save the current position to the given open file and close the file */
12563 SavePosition (FILE *f, int dummy, char *dummy2)
12568 if (gameMode == EditPosition) EditPositionDone(TRUE);
12569 if (appData.oldSaveStyle) {
12570 tm = time((time_t *) NULL);
12572 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12574 fprintf(f, "[--------------\n");
12575 PrintPosition(f, currentMove);
12576 fprintf(f, "--------------]\n");
12578 fen = PositionToFEN(currentMove, NULL);
12579 fprintf(f, "%s\n", fen);
12587 ReloadCmailMsgEvent (int unregister)
12590 static char *inFilename = NULL;
12591 static char *outFilename;
12593 struct stat inbuf, outbuf;
12596 /* Any registered moves are unregistered if unregister is set, */
12597 /* i.e. invoked by the signal handler */
12599 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12600 cmailMoveRegistered[i] = FALSE;
12601 if (cmailCommentList[i] != NULL) {
12602 free(cmailCommentList[i]);
12603 cmailCommentList[i] = NULL;
12606 nCmailMovesRegistered = 0;
12609 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12610 cmailResult[i] = CMAIL_NOT_RESULT;
12614 if (inFilename == NULL) {
12615 /* Because the filenames are static they only get malloced once */
12616 /* and they never get freed */
12617 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12618 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12620 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12621 sprintf(outFilename, "%s.out", appData.cmailGameName);
12624 status = stat(outFilename, &outbuf);
12626 cmailMailedMove = FALSE;
12628 status = stat(inFilename, &inbuf);
12629 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12632 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12633 counts the games, notes how each one terminated, etc.
12635 It would be nice to remove this kludge and instead gather all
12636 the information while building the game list. (And to keep it
12637 in the game list nodes instead of having a bunch of fixed-size
12638 parallel arrays.) Note this will require getting each game's
12639 termination from the PGN tags, as the game list builder does
12640 not process the game moves. --mann
12642 cmailMsgLoaded = TRUE;
12643 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12645 /* Load first game in the file or popup game menu */
12646 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12648 #endif /* !WIN32 */
12656 char string[MSG_SIZ];
12658 if ( cmailMailedMove
12659 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12660 return TRUE; /* Allow free viewing */
12663 /* Unregister move to ensure that we don't leave RegisterMove */
12664 /* with the move registered when the conditions for registering no */
12666 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12667 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12668 nCmailMovesRegistered --;
12670 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12672 free(cmailCommentList[lastLoadGameNumber - 1]);
12673 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12677 if (cmailOldMove == -1) {
12678 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12682 if (currentMove > cmailOldMove + 1) {
12683 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12687 if (currentMove < cmailOldMove) {
12688 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12692 if (forwardMostMove > currentMove) {
12693 /* Silently truncate extra moves */
12697 if ( (currentMove == cmailOldMove + 1)
12698 || ( (currentMove == cmailOldMove)
12699 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12700 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12701 if (gameInfo.result != GameUnfinished) {
12702 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12705 if (commentList[currentMove] != NULL) {
12706 cmailCommentList[lastLoadGameNumber - 1]
12707 = StrSave(commentList[currentMove]);
12709 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12711 if (appData.debugMode)
12712 fprintf(debugFP, "Saving %s for game %d\n",
12713 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12715 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12717 f = fopen(string, "w");
12718 if (appData.oldSaveStyle) {
12719 SaveGameOldStyle(f); /* also closes the file */
12721 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12722 f = fopen(string, "w");
12723 SavePosition(f, 0, NULL); /* also closes the file */
12725 fprintf(f, "{--------------\n");
12726 PrintPosition(f, currentMove);
12727 fprintf(f, "--------------}\n\n");
12729 SaveGame(f, 0, NULL); /* also closes the file*/
12732 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12733 nCmailMovesRegistered ++;
12734 } else if (nCmailGames == 1) {
12735 DisplayError(_("You have not made a move yet"), 0);
12746 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12747 FILE *commandOutput;
12748 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12749 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12755 if (! cmailMsgLoaded) {
12756 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12760 if (nCmailGames == nCmailResults) {
12761 DisplayError(_("No unfinished games"), 0);
12765 #if CMAIL_PROHIBIT_REMAIL
12766 if (cmailMailedMove) {
12767 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);
12768 DisplayError(msg, 0);
12773 if (! (cmailMailedMove || RegisterMove())) return;
12775 if ( cmailMailedMove
12776 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12777 snprintf(string, MSG_SIZ, partCommandString,
12778 appData.debugMode ? " -v" : "", appData.cmailGameName);
12779 commandOutput = popen(string, "r");
12781 if (commandOutput == NULL) {
12782 DisplayError(_("Failed to invoke cmail"), 0);
12784 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12785 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12787 if (nBuffers > 1) {
12788 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12789 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12790 nBytes = MSG_SIZ - 1;
12792 (void) memcpy(msg, buffer, nBytes);
12794 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12796 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12797 cmailMailedMove = TRUE; /* Prevent >1 moves */
12800 for (i = 0; i < nCmailGames; i ++) {
12801 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12806 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12808 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12810 appData.cmailGameName,
12812 LoadGameFromFile(buffer, 1, buffer, FALSE);
12813 cmailMsgLoaded = FALSE;
12817 DisplayInformation(msg);
12818 pclose(commandOutput);
12821 if ((*cmailMsg) != '\0') {
12822 DisplayInformation(cmailMsg);
12827 #endif /* !WIN32 */
12836 int prependComma = 0;
12838 char string[MSG_SIZ]; /* Space for game-list */
12841 if (!cmailMsgLoaded) return "";
12843 if (cmailMailedMove) {
12844 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12846 /* Create a list of games left */
12847 snprintf(string, MSG_SIZ, "[");
12848 for (i = 0; i < nCmailGames; i ++) {
12849 if (! ( cmailMoveRegistered[i]
12850 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12851 if (prependComma) {
12852 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12854 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12858 strcat(string, number);
12861 strcat(string, "]");
12863 if (nCmailMovesRegistered + nCmailResults == 0) {
12864 switch (nCmailGames) {
12866 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12870 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12874 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12879 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12881 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12886 if (nCmailResults == nCmailGames) {
12887 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12889 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12894 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12906 if (gameMode == Training)
12907 SetTrainingModeOff();
12910 cmailMsgLoaded = FALSE;
12911 if (appData.icsActive) {
12912 SendToICS(ics_prefix);
12913 SendToICS("refresh\n");
12918 ExitEvent (int status)
12922 /* Give up on clean exit */
12926 /* Keep trying for clean exit */
12930 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
12932 if (telnetISR != NULL) {
12933 RemoveInputSource(telnetISR);
12935 if (icsPR != NoProc) {
12936 DestroyChildProcess(icsPR, TRUE);
12939 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
12940 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
12942 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
12943 /* make sure this other one finishes before killing it! */
12944 if(endingGame) { int count = 0;
12945 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
12946 while(endingGame && count++ < 10) DoSleep(1);
12947 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
12950 /* Kill off chess programs */
12951 if (first.pr != NoProc) {
12954 DoSleep( appData.delayBeforeQuit );
12955 SendToProgram("quit\n", &first);
12956 DoSleep( appData.delayAfterQuit );
12957 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
12959 if (second.pr != NoProc) {
12960 DoSleep( appData.delayBeforeQuit );
12961 SendToProgram("quit\n", &second);
12962 DoSleep( appData.delayAfterQuit );
12963 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
12965 if (first.isr != NULL) {
12966 RemoveInputSource(first.isr);
12968 if (second.isr != NULL) {
12969 RemoveInputSource(second.isr);
12972 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
12973 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
12975 ShutDownFrontEnd();
12982 if (appData.debugMode)
12983 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
12987 if (gameMode == MachinePlaysWhite ||
12988 gameMode == MachinePlaysBlack) {
12991 DisplayBothClocks();
12993 if (gameMode == PlayFromGameFile) {
12994 if (appData.timeDelay >= 0)
12995 AutoPlayGameLoop();
12996 } else if (gameMode == IcsExamining && pauseExamInvalid) {
12997 Reset(FALSE, TRUE);
12998 SendToICS(ics_prefix);
12999 SendToICS("refresh\n");
13000 } else if (currentMove < forwardMostMove) {
13001 ForwardInner(forwardMostMove);
13003 pauseExamInvalid = FALSE;
13005 switch (gameMode) {
13009 pauseExamForwardMostMove = forwardMostMove;
13010 pauseExamInvalid = FALSE;
13013 case IcsPlayingWhite:
13014 case IcsPlayingBlack:
13018 case PlayFromGameFile:
13019 (void) StopLoadGameTimer();
13023 case BeginningOfGame:
13024 if (appData.icsActive) return;
13025 /* else fall through */
13026 case MachinePlaysWhite:
13027 case MachinePlaysBlack:
13028 case TwoMachinesPlay:
13029 if (forwardMostMove == 0)
13030 return; /* don't pause if no one has moved */
13031 if ((gameMode == MachinePlaysWhite &&
13032 !WhiteOnMove(forwardMostMove)) ||
13033 (gameMode == MachinePlaysBlack &&
13034 WhiteOnMove(forwardMostMove))) {
13045 EditCommentEvent ()
13047 char title[MSG_SIZ];
13049 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13050 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13052 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13053 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13054 parseList[currentMove - 1]);
13057 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13064 char *tags = PGNTags(&gameInfo);
13066 EditTagsPopUp(tags, NULL);
13071 AnalyzeModeEvent ()
13073 if (appData.noChessProgram || gameMode == AnalyzeMode)
13076 if (gameMode != AnalyzeFile) {
13077 if (!appData.icsEngineAnalyze) {
13079 if (gameMode != EditGame) return;
13081 ResurrectChessProgram();
13082 SendToProgram("analyze\n", &first);
13083 first.analyzing = TRUE;
13084 /*first.maybeThinking = TRUE;*/
13085 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13086 EngineOutputPopUp();
13088 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13093 StartAnalysisClock();
13094 GetTimeMark(&lastNodeCountTime);
13099 AnalyzeFileEvent ()
13101 if (appData.noChessProgram || gameMode == AnalyzeFile)
13104 if (gameMode != AnalyzeMode) {
13106 if (gameMode != EditGame) return;
13107 ResurrectChessProgram();
13108 SendToProgram("analyze\n", &first);
13109 first.analyzing = TRUE;
13110 /*first.maybeThinking = TRUE;*/
13111 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13112 EngineOutputPopUp();
13114 gameMode = AnalyzeFile;
13119 StartAnalysisClock();
13120 GetTimeMark(&lastNodeCountTime);
13122 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13126 MachineWhiteEvent ()
13129 char *bookHit = NULL;
13131 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13135 if (gameMode == PlayFromGameFile ||
13136 gameMode == TwoMachinesPlay ||
13137 gameMode == Training ||
13138 gameMode == AnalyzeMode ||
13139 gameMode == EndOfGame)
13142 if (gameMode == EditPosition)
13143 EditPositionDone(TRUE);
13145 if (!WhiteOnMove(currentMove)) {
13146 DisplayError(_("It is not White's turn"), 0);
13150 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13153 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13154 gameMode == AnalyzeFile)
13157 ResurrectChessProgram(); /* in case it isn't running */
13158 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13159 gameMode = MachinePlaysWhite;
13162 gameMode = MachinePlaysWhite;
13166 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13168 if (first.sendName) {
13169 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13170 SendToProgram(buf, &first);
13172 if (first.sendTime) {
13173 if (first.useColors) {
13174 SendToProgram("black\n", &first); /*gnu kludge*/
13176 SendTimeRemaining(&first, TRUE);
13178 if (first.useColors) {
13179 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13181 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13182 SetMachineThinkingEnables();
13183 first.maybeThinking = TRUE;
13187 if (appData.autoFlipView && !flipView) {
13188 flipView = !flipView;
13189 DrawPosition(FALSE, NULL);
13190 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13193 if(bookHit) { // [HGM] book: simulate book reply
13194 static char bookMove[MSG_SIZ]; // a bit generous?
13196 programStats.nodes = programStats.depth = programStats.time =
13197 programStats.score = programStats.got_only_move = 0;
13198 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13200 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13201 strcat(bookMove, bookHit);
13202 HandleMachineMove(bookMove, &first);
13207 MachineBlackEvent ()
13210 char *bookHit = NULL;
13212 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13216 if (gameMode == PlayFromGameFile ||
13217 gameMode == TwoMachinesPlay ||
13218 gameMode == Training ||
13219 gameMode == AnalyzeMode ||
13220 gameMode == EndOfGame)
13223 if (gameMode == EditPosition)
13224 EditPositionDone(TRUE);
13226 if (WhiteOnMove(currentMove)) {
13227 DisplayError(_("It is not Black's turn"), 0);
13231 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13234 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13235 gameMode == AnalyzeFile)
13238 ResurrectChessProgram(); /* in case it isn't running */
13239 gameMode = MachinePlaysBlack;
13243 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13245 if (first.sendName) {
13246 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13247 SendToProgram(buf, &first);
13249 if (first.sendTime) {
13250 if (first.useColors) {
13251 SendToProgram("white\n", &first); /*gnu kludge*/
13253 SendTimeRemaining(&first, FALSE);
13255 if (first.useColors) {
13256 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13258 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13259 SetMachineThinkingEnables();
13260 first.maybeThinking = TRUE;
13263 if (appData.autoFlipView && flipView) {
13264 flipView = !flipView;
13265 DrawPosition(FALSE, NULL);
13266 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13268 if(bookHit) { // [HGM] book: simulate book reply
13269 static char bookMove[MSG_SIZ]; // a bit generous?
13271 programStats.nodes = programStats.depth = programStats.time =
13272 programStats.score = programStats.got_only_move = 0;
13273 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13275 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13276 strcat(bookMove, bookHit);
13277 HandleMachineMove(bookMove, &first);
13283 DisplayTwoMachinesTitle ()
13286 if (appData.matchGames > 0) {
13287 if(appData.tourneyFile[0]) {
13288 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13289 gameInfo.white, _("vs."), gameInfo.black,
13290 nextGame+1, appData.matchGames+1,
13291 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13293 if (first.twoMachinesColor[0] == 'w') {
13294 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13295 gameInfo.white, _("vs."), gameInfo.black,
13296 first.matchWins, second.matchWins,
13297 matchGame - 1 - (first.matchWins + second.matchWins));
13299 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13300 gameInfo.white, _("vs."), gameInfo.black,
13301 second.matchWins, first.matchWins,
13302 matchGame - 1 - (first.matchWins + second.matchWins));
13305 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13311 SettingsMenuIfReady ()
13313 if (second.lastPing != second.lastPong) {
13314 DisplayMessage("", _("Waiting for second chess program"));
13315 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13319 DisplayMessage("", "");
13320 SettingsPopUp(&second);
13324 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13327 if (cps->pr == NoProc) {
13328 StartChessProgram(cps);
13329 if (cps->protocolVersion == 1) {
13332 /* kludge: allow timeout for initial "feature" command */
13334 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), cps->which);
13335 DisplayMessage("", buf);
13336 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13344 TwoMachinesEvent P((void))
13348 ChessProgramState *onmove;
13349 char *bookHit = NULL;
13350 static int stalling = 0;
13354 if (appData.noChessProgram) return;
13356 switch (gameMode) {
13357 case TwoMachinesPlay:
13359 case MachinePlaysWhite:
13360 case MachinePlaysBlack:
13361 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13362 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13366 case BeginningOfGame:
13367 case PlayFromGameFile:
13370 if (gameMode != EditGame) return;
13373 EditPositionDone(TRUE);
13384 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
13385 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
13386 if(strcmp(buf, currentDebugFile)) { // name has changed
13387 FILE *f = fopen(buf, "w");
13388 if(f) { // if opening the new file failed, just keep using the old one
13389 ASSIGN(currentDebugFile, buf);
13395 // forwardMostMove = currentMove;
13396 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13398 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13400 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13401 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13402 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13406 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13407 SendToProgram("force\n", &second);
13409 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13412 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13413 if(appData.matchPause>10000 || appData.matchPause<10)
13414 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13415 wait = SubtractTimeMarks(&now, &pauseStart);
13416 if(wait < appData.matchPause) {
13417 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13420 // we are now committed to starting the game
13422 DisplayMessage("", "");
13423 if (startedFromSetupPosition) {
13424 SendBoard(&second, backwardMostMove);
13425 if (appData.debugMode) {
13426 fprintf(debugFP, "Two Machines\n");
13429 for (i = backwardMostMove; i < forwardMostMove; i++) {
13430 SendMoveToProgram(i, &second);
13433 gameMode = TwoMachinesPlay;
13435 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13437 DisplayTwoMachinesTitle();
13439 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13444 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13445 SendToProgram(first.computerString, &first);
13446 if (first.sendName) {
13447 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13448 SendToProgram(buf, &first);
13450 SendToProgram(second.computerString, &second);
13451 if (second.sendName) {
13452 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13453 SendToProgram(buf, &second);
13457 if (!first.sendTime || !second.sendTime) {
13458 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13459 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13461 if (onmove->sendTime) {
13462 if (onmove->useColors) {
13463 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13465 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13467 if (onmove->useColors) {
13468 SendToProgram(onmove->twoMachinesColor, onmove);
13470 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13471 // SendToProgram("go\n", onmove);
13472 onmove->maybeThinking = TRUE;
13473 SetMachineThinkingEnables();
13477 if(bookHit) { // [HGM] book: simulate book reply
13478 static char bookMove[MSG_SIZ]; // a bit generous?
13480 programStats.nodes = programStats.depth = programStats.time =
13481 programStats.score = programStats.got_only_move = 0;
13482 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13484 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13485 strcat(bookMove, bookHit);
13486 savedMessage = bookMove; // args for deferred call
13487 savedState = onmove;
13488 ScheduleDelayedEvent(DeferredBookMove, 1);
13495 if (gameMode == Training) {
13496 SetTrainingModeOff();
13497 gameMode = PlayFromGameFile;
13498 DisplayMessage("", _("Training mode off"));
13500 gameMode = Training;
13501 animateTraining = appData.animate;
13503 /* make sure we are not already at the end of the game */
13504 if (currentMove < forwardMostMove) {
13505 SetTrainingModeOn();
13506 DisplayMessage("", _("Training mode on"));
13508 gameMode = PlayFromGameFile;
13509 DisplayError(_("Already at end of game"), 0);
13518 if (!appData.icsActive) return;
13519 switch (gameMode) {
13520 case IcsPlayingWhite:
13521 case IcsPlayingBlack:
13524 case BeginningOfGame:
13532 EditPositionDone(TRUE);
13545 gameMode = IcsIdle;
13555 switch (gameMode) {
13557 SetTrainingModeOff();
13559 case MachinePlaysWhite:
13560 case MachinePlaysBlack:
13561 case BeginningOfGame:
13562 SendToProgram("force\n", &first);
13563 SetUserThinkingEnables();
13565 case PlayFromGameFile:
13566 (void) StopLoadGameTimer();
13567 if (gameFileFP != NULL) {
13572 EditPositionDone(TRUE);
13577 SendToProgram("force\n", &first);
13579 case TwoMachinesPlay:
13580 GameEnds(EndOfFile, NULL, GE_PLAYER);
13581 ResurrectChessProgram();
13582 SetUserThinkingEnables();
13585 ResurrectChessProgram();
13587 case IcsPlayingBlack:
13588 case IcsPlayingWhite:
13589 DisplayError(_("Warning: You are still playing a game"), 0);
13592 DisplayError(_("Warning: You are still observing a game"), 0);
13595 DisplayError(_("Warning: You are still examining a game"), 0);
13606 first.offeredDraw = second.offeredDraw = 0;
13608 if (gameMode == PlayFromGameFile) {
13609 whiteTimeRemaining = timeRemaining[0][currentMove];
13610 blackTimeRemaining = timeRemaining[1][currentMove];
13614 if (gameMode == MachinePlaysWhite ||
13615 gameMode == MachinePlaysBlack ||
13616 gameMode == TwoMachinesPlay ||
13617 gameMode == EndOfGame) {
13618 i = forwardMostMove;
13619 while (i > currentMove) {
13620 SendToProgram("undo\n", &first);
13623 if(!adjustedClock) {
13624 whiteTimeRemaining = timeRemaining[0][currentMove];
13625 blackTimeRemaining = timeRemaining[1][currentMove];
13626 DisplayBothClocks();
13628 if (whiteFlag || blackFlag) {
13629 whiteFlag = blackFlag = 0;
13634 gameMode = EditGame;
13641 EditPositionEvent ()
13643 if (gameMode == EditPosition) {
13649 if (gameMode != EditGame) return;
13651 gameMode = EditPosition;
13654 if (currentMove > 0)
13655 CopyBoard(boards[0], boards[currentMove]);
13657 blackPlaysFirst = !WhiteOnMove(currentMove);
13659 currentMove = forwardMostMove = backwardMostMove = 0;
13660 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13667 /* [DM] icsEngineAnalyze - possible call from other functions */
13668 if (appData.icsEngineAnalyze) {
13669 appData.icsEngineAnalyze = FALSE;
13671 DisplayMessage("",_("Close ICS engine analyze..."));
13673 if (first.analysisSupport && first.analyzing) {
13674 SendToProgram("exit\n", &first);
13675 first.analyzing = FALSE;
13677 thinkOutput[0] = NULLCHAR;
13681 EditPositionDone (Boolean fakeRights)
13683 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13685 startedFromSetupPosition = TRUE;
13686 InitChessProgram(&first, FALSE);
13687 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13688 boards[0][EP_STATUS] = EP_NONE;
13689 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13690 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13691 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13692 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13693 } else boards[0][CASTLING][2] = NoRights;
13694 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13695 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13696 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13697 } else boards[0][CASTLING][5] = NoRights;
13699 SendToProgram("force\n", &first);
13700 if (blackPlaysFirst) {
13701 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13702 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13703 currentMove = forwardMostMove = backwardMostMove = 1;
13704 CopyBoard(boards[1], boards[0]);
13706 currentMove = forwardMostMove = backwardMostMove = 0;
13708 SendBoard(&first, forwardMostMove);
13709 if (appData.debugMode) {
13710 fprintf(debugFP, "EditPosDone\n");
13713 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13714 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13715 gameMode = EditGame;
13717 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13718 ClearHighlights(); /* [AS] */
13721 /* Pause for `ms' milliseconds */
13722 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13724 TimeDelay (long ms)
13731 } while (SubtractTimeMarks(&m2, &m1) < ms);
13734 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13736 SendMultiLineToICS (char *buf)
13738 char temp[MSG_SIZ+1], *p;
13745 strncpy(temp, buf, len);
13750 if (*p == '\n' || *p == '\r')
13755 strcat(temp, "\n");
13757 SendToPlayer(temp, strlen(temp));
13761 SetWhiteToPlayEvent ()
13763 if (gameMode == EditPosition) {
13764 blackPlaysFirst = FALSE;
13765 DisplayBothClocks(); /* works because currentMove is 0 */
13766 } else if (gameMode == IcsExamining) {
13767 SendToICS(ics_prefix);
13768 SendToICS("tomove white\n");
13773 SetBlackToPlayEvent ()
13775 if (gameMode == EditPosition) {
13776 blackPlaysFirst = TRUE;
13777 currentMove = 1; /* kludge */
13778 DisplayBothClocks();
13780 } else if (gameMode == IcsExamining) {
13781 SendToICS(ics_prefix);
13782 SendToICS("tomove black\n");
13787 EditPositionMenuEvent (ChessSquare selection, int x, int y)
13790 ChessSquare piece = boards[0][y][x];
13792 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13794 switch (selection) {
13796 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13797 SendToICS(ics_prefix);
13798 SendToICS("bsetup clear\n");
13799 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13800 SendToICS(ics_prefix);
13801 SendToICS("clearboard\n");
13803 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13804 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13805 for (y = 0; y < BOARD_HEIGHT; y++) {
13806 if (gameMode == IcsExamining) {
13807 if (boards[currentMove][y][x] != EmptySquare) {
13808 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13813 boards[0][y][x] = p;
13818 if (gameMode == EditPosition) {
13819 DrawPosition(FALSE, boards[0]);
13824 SetWhiteToPlayEvent();
13828 SetBlackToPlayEvent();
13832 if (gameMode == IcsExamining) {
13833 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13834 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13837 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13838 if(x == BOARD_LEFT-2) {
13839 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13840 boards[0][y][1] = 0;
13842 if(x == BOARD_RGHT+1) {
13843 if(y >= gameInfo.holdingsSize) break;
13844 boards[0][y][BOARD_WIDTH-2] = 0;
13847 boards[0][y][x] = EmptySquare;
13848 DrawPosition(FALSE, boards[0]);
13853 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13854 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13855 selection = (ChessSquare) (PROMOTED piece);
13856 } else if(piece == EmptySquare) selection = WhiteSilver;
13857 else selection = (ChessSquare)((int)piece - 1);
13861 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13862 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13863 selection = (ChessSquare) (DEMOTED piece);
13864 } else if(piece == EmptySquare) selection = BlackSilver;
13865 else selection = (ChessSquare)((int)piece + 1);
13870 if(gameInfo.variant == VariantShatranj ||
13871 gameInfo.variant == VariantXiangqi ||
13872 gameInfo.variant == VariantCourier ||
13873 gameInfo.variant == VariantMakruk )
13874 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13879 if(gameInfo.variant == VariantXiangqi)
13880 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13881 if(gameInfo.variant == VariantKnightmate)
13882 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13885 if (gameMode == IcsExamining) {
13886 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13887 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13888 PieceToChar(selection), AAA + x, ONE + y);
13891 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13893 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13894 n = PieceToNumber(selection - BlackPawn);
13895 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13896 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13897 boards[0][BOARD_HEIGHT-1-n][1]++;
13899 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13900 n = PieceToNumber(selection);
13901 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13902 boards[0][n][BOARD_WIDTH-1] = selection;
13903 boards[0][n][BOARD_WIDTH-2]++;
13906 boards[0][y][x] = selection;
13907 DrawPosition(TRUE, boards[0]);
13915 DropMenuEvent (ChessSquare selection, int x, int y)
13917 ChessMove moveType;
13919 switch (gameMode) {
13920 case IcsPlayingWhite:
13921 case MachinePlaysBlack:
13922 if (!WhiteOnMove(currentMove)) {
13923 DisplayMoveError(_("It is Black's turn"));
13926 moveType = WhiteDrop;
13928 case IcsPlayingBlack:
13929 case MachinePlaysWhite:
13930 if (WhiteOnMove(currentMove)) {
13931 DisplayMoveError(_("It is White's turn"));
13934 moveType = BlackDrop;
13937 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
13943 if (moveType == BlackDrop && selection < BlackPawn) {
13944 selection = (ChessSquare) ((int) selection
13945 + (int) BlackPawn - (int) WhitePawn);
13947 if (boards[currentMove][y][x] != EmptySquare) {
13948 DisplayMoveError(_("That square is occupied"));
13952 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
13958 /* Accept a pending offer of any kind from opponent */
13960 if (appData.icsActive) {
13961 SendToICS(ics_prefix);
13962 SendToICS("accept\n");
13963 } else if (cmailMsgLoaded) {
13964 if (currentMove == cmailOldMove &&
13965 commentList[cmailOldMove] != NULL &&
13966 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13967 "Black offers a draw" : "White offers a draw")) {
13969 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
13970 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
13972 DisplayError(_("There is no pending offer on this move"), 0);
13973 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
13976 /* Not used for offers from chess program */
13983 /* Decline a pending offer of any kind from opponent */
13985 if (appData.icsActive) {
13986 SendToICS(ics_prefix);
13987 SendToICS("decline\n");
13988 } else if (cmailMsgLoaded) {
13989 if (currentMove == cmailOldMove &&
13990 commentList[cmailOldMove] != NULL &&
13991 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
13992 "Black offers a draw" : "White offers a draw")) {
13994 AppendComment(cmailOldMove, "Draw declined", TRUE);
13995 DisplayComment(cmailOldMove - 1, "Draw declined");
13998 DisplayError(_("There is no pending offer on this move"), 0);
14001 /* Not used for offers from chess program */
14008 /* Issue ICS rematch command */
14009 if (appData.icsActive) {
14010 SendToICS(ics_prefix);
14011 SendToICS("rematch\n");
14018 /* Call your opponent's flag (claim a win on time) */
14019 if (appData.icsActive) {
14020 SendToICS(ics_prefix);
14021 SendToICS("flag\n");
14023 switch (gameMode) {
14026 case MachinePlaysWhite:
14029 GameEnds(GameIsDrawn, "Both players ran out of time",
14032 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14034 DisplayError(_("Your opponent is not out of time"), 0);
14037 case MachinePlaysBlack:
14040 GameEnds(GameIsDrawn, "Both players ran out of time",
14043 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14045 DisplayError(_("Your opponent is not out of time"), 0);
14053 ClockClick (int which)
14054 { // [HGM] code moved to back-end from winboard.c
14055 if(which) { // black clock
14056 if (gameMode == EditPosition || gameMode == IcsExamining) {
14057 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14058 SetBlackToPlayEvent();
14059 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14060 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14061 } else if (shiftKey) {
14062 AdjustClock(which, -1);
14063 } else if (gameMode == IcsPlayingWhite ||
14064 gameMode == MachinePlaysBlack) {
14067 } else { // white clock
14068 if (gameMode == EditPosition || gameMode == IcsExamining) {
14069 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14070 SetWhiteToPlayEvent();
14071 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14072 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14073 } else if (shiftKey) {
14074 AdjustClock(which, -1);
14075 } else if (gameMode == IcsPlayingBlack ||
14076 gameMode == MachinePlaysWhite) {
14085 /* Offer draw or accept pending draw offer from opponent */
14087 if (appData.icsActive) {
14088 /* Note: tournament rules require draw offers to be
14089 made after you make your move but before you punch
14090 your clock. Currently ICS doesn't let you do that;
14091 instead, you immediately punch your clock after making
14092 a move, but you can offer a draw at any time. */
14094 SendToICS(ics_prefix);
14095 SendToICS("draw\n");
14096 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14097 } else if (cmailMsgLoaded) {
14098 if (currentMove == cmailOldMove &&
14099 commentList[cmailOldMove] != NULL &&
14100 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14101 "Black offers a draw" : "White offers a draw")) {
14102 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14103 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14104 } else if (currentMove == cmailOldMove + 1) {
14105 char *offer = WhiteOnMove(cmailOldMove) ?
14106 "White offers a draw" : "Black offers a draw";
14107 AppendComment(currentMove, offer, TRUE);
14108 DisplayComment(currentMove - 1, offer);
14109 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14111 DisplayError(_("You must make your move before offering a draw"), 0);
14112 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14114 } else if (first.offeredDraw) {
14115 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14117 if (first.sendDrawOffers) {
14118 SendToProgram("draw\n", &first);
14119 userOfferedDraw = TRUE;
14127 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14129 if (appData.icsActive) {
14130 SendToICS(ics_prefix);
14131 SendToICS("adjourn\n");
14133 /* Currently GNU Chess doesn't offer or accept Adjourns */
14141 /* Offer Abort or accept pending Abort offer from opponent */
14143 if (appData.icsActive) {
14144 SendToICS(ics_prefix);
14145 SendToICS("abort\n");
14147 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14154 /* Resign. You can do this even if it's not your turn. */
14156 if (appData.icsActive) {
14157 SendToICS(ics_prefix);
14158 SendToICS("resign\n");
14160 switch (gameMode) {
14161 case MachinePlaysWhite:
14162 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14164 case MachinePlaysBlack:
14165 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14168 if (cmailMsgLoaded) {
14170 if (WhiteOnMove(cmailOldMove)) {
14171 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14173 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14175 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14186 StopObservingEvent ()
14188 /* Stop observing current games */
14189 SendToICS(ics_prefix);
14190 SendToICS("unobserve\n");
14194 StopExaminingEvent ()
14196 /* Stop observing current game */
14197 SendToICS(ics_prefix);
14198 SendToICS("unexamine\n");
14202 ForwardInner (int target)
14204 int limit; int oldSeekGraphUp = seekGraphUp;
14206 if (appData.debugMode)
14207 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14208 target, currentMove, forwardMostMove);
14210 if (gameMode == EditPosition)
14213 seekGraphUp = FALSE;
14214 MarkTargetSquares(1);
14216 if (gameMode == PlayFromGameFile && !pausing)
14219 if (gameMode == IcsExamining && pausing)
14220 limit = pauseExamForwardMostMove;
14222 limit = forwardMostMove;
14224 if (target > limit) target = limit;
14226 if (target > 0 && moveList[target - 1][0]) {
14227 int fromX, fromY, toX, toY;
14228 toX = moveList[target - 1][2] - AAA;
14229 toY = moveList[target - 1][3] - ONE;
14230 if (moveList[target - 1][1] == '@') {
14231 if (appData.highlightLastMove) {
14232 SetHighlights(-1, -1, toX, toY);
14235 fromX = moveList[target - 1][0] - AAA;
14236 fromY = moveList[target - 1][1] - ONE;
14237 if (target == currentMove + 1) {
14238 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14240 if (appData.highlightLastMove) {
14241 SetHighlights(fromX, fromY, toX, toY);
14245 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14246 gameMode == Training || gameMode == PlayFromGameFile ||
14247 gameMode == AnalyzeFile) {
14248 while (currentMove < target) {
14249 SendMoveToProgram(currentMove++, &first);
14252 currentMove = target;
14255 if (gameMode == EditGame || gameMode == EndOfGame) {
14256 whiteTimeRemaining = timeRemaining[0][currentMove];
14257 blackTimeRemaining = timeRemaining[1][currentMove];
14259 DisplayBothClocks();
14260 DisplayMove(currentMove - 1);
14261 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14262 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14263 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14264 DisplayComment(currentMove - 1, commentList[currentMove]);
14272 if (gameMode == IcsExamining && !pausing) {
14273 SendToICS(ics_prefix);
14274 SendToICS("forward\n");
14276 ForwardInner(currentMove + 1);
14283 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14284 /* to optimze, we temporarily turn off analysis mode while we feed
14285 * the remaining moves to the engine. Otherwise we get analysis output
14288 if (first.analysisSupport) {
14289 SendToProgram("exit\nforce\n", &first);
14290 first.analyzing = FALSE;
14294 if (gameMode == IcsExamining && !pausing) {
14295 SendToICS(ics_prefix);
14296 SendToICS("forward 999999\n");
14298 ForwardInner(forwardMostMove);
14301 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14302 /* we have fed all the moves, so reactivate analysis mode */
14303 SendToProgram("analyze\n", &first);
14304 first.analyzing = TRUE;
14305 /*first.maybeThinking = TRUE;*/
14306 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14311 BackwardInner (int target)
14313 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14315 if (appData.debugMode)
14316 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14317 target, currentMove, forwardMostMove);
14319 if (gameMode == EditPosition) return;
14320 seekGraphUp = FALSE;
14321 MarkTargetSquares(1);
14322 if (currentMove <= backwardMostMove) {
14324 DrawPosition(full_redraw, boards[currentMove]);
14327 if (gameMode == PlayFromGameFile && !pausing)
14330 if (moveList[target][0]) {
14331 int fromX, fromY, toX, toY;
14332 toX = moveList[target][2] - AAA;
14333 toY = moveList[target][3] - ONE;
14334 if (moveList[target][1] == '@') {
14335 if (appData.highlightLastMove) {
14336 SetHighlights(-1, -1, toX, toY);
14339 fromX = moveList[target][0] - AAA;
14340 fromY = moveList[target][1] - ONE;
14341 if (target == currentMove - 1) {
14342 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14344 if (appData.highlightLastMove) {
14345 SetHighlights(fromX, fromY, toX, toY);
14349 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14350 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14351 while (currentMove > target) {
14352 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14353 // null move cannot be undone. Reload program with move history before it.
14355 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14356 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14358 SendBoard(&first, i);
14359 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14362 SendToProgram("undo\n", &first);
14366 currentMove = target;
14369 if (gameMode == EditGame || gameMode == EndOfGame) {
14370 whiteTimeRemaining = timeRemaining[0][currentMove];
14371 blackTimeRemaining = timeRemaining[1][currentMove];
14373 DisplayBothClocks();
14374 DisplayMove(currentMove - 1);
14375 DrawPosition(full_redraw, boards[currentMove]);
14376 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14377 // [HGM] PV info: routine tests if comment empty
14378 DisplayComment(currentMove - 1, commentList[currentMove]);
14384 if (gameMode == IcsExamining && !pausing) {
14385 SendToICS(ics_prefix);
14386 SendToICS("backward\n");
14388 BackwardInner(currentMove - 1);
14395 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14396 /* to optimize, we temporarily turn off analysis mode while we undo
14397 * all the moves. Otherwise we get analysis output after each undo.
14399 if (first.analysisSupport) {
14400 SendToProgram("exit\nforce\n", &first);
14401 first.analyzing = FALSE;
14405 if (gameMode == IcsExamining && !pausing) {
14406 SendToICS(ics_prefix);
14407 SendToICS("backward 999999\n");
14409 BackwardInner(backwardMostMove);
14412 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14413 /* we have fed all the moves, so reactivate analysis mode */
14414 SendToProgram("analyze\n", &first);
14415 first.analyzing = TRUE;
14416 /*first.maybeThinking = TRUE;*/
14417 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14424 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14425 if (to >= forwardMostMove) to = forwardMostMove;
14426 if (to <= backwardMostMove) to = backwardMostMove;
14427 if (to < currentMove) {
14435 RevertEvent (Boolean annotate)
14437 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14440 if (gameMode != IcsExamining) {
14441 DisplayError(_("You are not examining a game"), 0);
14445 DisplayError(_("You can't revert while pausing"), 0);
14448 SendToICS(ics_prefix);
14449 SendToICS("revert\n");
14453 RetractMoveEvent ()
14455 switch (gameMode) {
14456 case MachinePlaysWhite:
14457 case MachinePlaysBlack:
14458 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14459 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14462 if (forwardMostMove < 2) return;
14463 currentMove = forwardMostMove = forwardMostMove - 2;
14464 whiteTimeRemaining = timeRemaining[0][currentMove];
14465 blackTimeRemaining = timeRemaining[1][currentMove];
14466 DisplayBothClocks();
14467 DisplayMove(currentMove - 1);
14468 ClearHighlights();/*!! could figure this out*/
14469 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14470 SendToProgram("remove\n", &first);
14471 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14474 case BeginningOfGame:
14478 case IcsPlayingWhite:
14479 case IcsPlayingBlack:
14480 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14481 SendToICS(ics_prefix);
14482 SendToICS("takeback 2\n");
14484 SendToICS(ics_prefix);
14485 SendToICS("takeback 1\n");
14494 ChessProgramState *cps;
14496 switch (gameMode) {
14497 case MachinePlaysWhite:
14498 if (!WhiteOnMove(forwardMostMove)) {
14499 DisplayError(_("It is your turn"), 0);
14504 case MachinePlaysBlack:
14505 if (WhiteOnMove(forwardMostMove)) {
14506 DisplayError(_("It is your turn"), 0);
14511 case TwoMachinesPlay:
14512 if (WhiteOnMove(forwardMostMove) ==
14513 (first.twoMachinesColor[0] == 'w')) {
14519 case BeginningOfGame:
14523 SendToProgram("?\n", cps);
14527 TruncateGameEvent ()
14530 if (gameMode != EditGame) return;
14537 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14538 if (forwardMostMove > currentMove) {
14539 if (gameInfo.resultDetails != NULL) {
14540 free(gameInfo.resultDetails);
14541 gameInfo.resultDetails = NULL;
14542 gameInfo.result = GameUnfinished;
14544 forwardMostMove = currentMove;
14545 HistorySet(parseList, backwardMostMove, forwardMostMove,
14553 if (appData.noChessProgram) return;
14554 switch (gameMode) {
14555 case MachinePlaysWhite:
14556 if (WhiteOnMove(forwardMostMove)) {
14557 DisplayError(_("Wait until your turn"), 0);
14561 case BeginningOfGame:
14562 case MachinePlaysBlack:
14563 if (!WhiteOnMove(forwardMostMove)) {
14564 DisplayError(_("Wait until your turn"), 0);
14569 DisplayError(_("No hint available"), 0);
14572 SendToProgram("hint\n", &first);
14573 hintRequested = TRUE;
14579 if (appData.noChessProgram) return;
14580 switch (gameMode) {
14581 case MachinePlaysWhite:
14582 if (WhiteOnMove(forwardMostMove)) {
14583 DisplayError(_("Wait until your turn"), 0);
14587 case BeginningOfGame:
14588 case MachinePlaysBlack:
14589 if (!WhiteOnMove(forwardMostMove)) {
14590 DisplayError(_("Wait until your turn"), 0);
14595 EditPositionDone(TRUE);
14597 case TwoMachinesPlay:
14602 SendToProgram("bk\n", &first);
14603 bookOutput[0] = NULLCHAR;
14604 bookRequested = TRUE;
14610 char *tags = PGNTags(&gameInfo);
14611 TagsPopUp(tags, CmailMsg());
14615 /* end button procedures */
14618 PrintPosition (FILE *fp, int move)
14622 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14623 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14624 char c = PieceToChar(boards[move][i][j]);
14625 fputc(c == 'x' ? '.' : c, fp);
14626 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14629 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14630 fprintf(fp, "white to play\n");
14632 fprintf(fp, "black to play\n");
14636 PrintOpponents (FILE *fp)
14638 if (gameInfo.white != NULL) {
14639 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14645 /* Find last component of program's own name, using some heuristics */
14647 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14650 int local = (strcmp(host, "localhost") == 0);
14651 while (!local && (p = strchr(prog, ';')) != NULL) {
14653 while (*p == ' ') p++;
14656 if (*prog == '"' || *prog == '\'') {
14657 q = strchr(prog + 1, *prog);
14659 q = strchr(prog, ' ');
14661 if (q == NULL) q = prog + strlen(prog);
14663 while (p >= prog && *p != '/' && *p != '\\') p--;
14665 if(p == prog && *p == '"') p++;
14667 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14668 memcpy(buf, p, q - p);
14669 buf[q - p] = NULLCHAR;
14677 TimeControlTagValue ()
14680 if (!appData.clockMode) {
14681 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14682 } else if (movesPerSession > 0) {
14683 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14684 } else if (timeIncrement == 0) {
14685 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14687 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14689 return StrSave(buf);
14695 /* This routine is used only for certain modes */
14696 VariantClass v = gameInfo.variant;
14697 ChessMove r = GameUnfinished;
14700 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14701 r = gameInfo.result;
14702 p = gameInfo.resultDetails;
14703 gameInfo.resultDetails = NULL;
14705 ClearGameInfo(&gameInfo);
14706 gameInfo.variant = v;
14708 switch (gameMode) {
14709 case MachinePlaysWhite:
14710 gameInfo.event = StrSave( appData.pgnEventHeader );
14711 gameInfo.site = StrSave(HostName());
14712 gameInfo.date = PGNDate();
14713 gameInfo.round = StrSave("-");
14714 gameInfo.white = StrSave(first.tidy);
14715 gameInfo.black = StrSave(UserName());
14716 gameInfo.timeControl = TimeControlTagValue();
14719 case MachinePlaysBlack:
14720 gameInfo.event = StrSave( appData.pgnEventHeader );
14721 gameInfo.site = StrSave(HostName());
14722 gameInfo.date = PGNDate();
14723 gameInfo.round = StrSave("-");
14724 gameInfo.white = StrSave(UserName());
14725 gameInfo.black = StrSave(first.tidy);
14726 gameInfo.timeControl = TimeControlTagValue();
14729 case TwoMachinesPlay:
14730 gameInfo.event = StrSave( appData.pgnEventHeader );
14731 gameInfo.site = StrSave(HostName());
14732 gameInfo.date = PGNDate();
14735 snprintf(buf, MSG_SIZ, "%d", roundNr);
14736 gameInfo.round = StrSave(buf);
14738 gameInfo.round = StrSave("-");
14740 if (first.twoMachinesColor[0] == 'w') {
14741 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14742 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14744 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14745 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14747 gameInfo.timeControl = TimeControlTagValue();
14751 gameInfo.event = StrSave("Edited game");
14752 gameInfo.site = StrSave(HostName());
14753 gameInfo.date = PGNDate();
14754 gameInfo.round = StrSave("-");
14755 gameInfo.white = StrSave("-");
14756 gameInfo.black = StrSave("-");
14757 gameInfo.result = r;
14758 gameInfo.resultDetails = p;
14762 gameInfo.event = StrSave("Edited position");
14763 gameInfo.site = StrSave(HostName());
14764 gameInfo.date = PGNDate();
14765 gameInfo.round = StrSave("-");
14766 gameInfo.white = StrSave("-");
14767 gameInfo.black = StrSave("-");
14770 case IcsPlayingWhite:
14771 case IcsPlayingBlack:
14776 case PlayFromGameFile:
14777 gameInfo.event = StrSave("Game from non-PGN file");
14778 gameInfo.site = StrSave(HostName());
14779 gameInfo.date = PGNDate();
14780 gameInfo.round = StrSave("-");
14781 gameInfo.white = StrSave("?");
14782 gameInfo.black = StrSave("?");
14791 ReplaceComment (int index, char *text)
14797 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14798 pvInfoList[index-1].depth == len &&
14799 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14800 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14801 while (*text == '\n') text++;
14802 len = strlen(text);
14803 while (len > 0 && text[len - 1] == '\n') len--;
14805 if (commentList[index] != NULL)
14806 free(commentList[index]);
14809 commentList[index] = NULL;
14812 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14813 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14814 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14815 commentList[index] = (char *) malloc(len + 2);
14816 strncpy(commentList[index], text, len);
14817 commentList[index][len] = '\n';
14818 commentList[index][len + 1] = NULLCHAR;
14820 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14822 commentList[index] = (char *) malloc(len + 7);
14823 safeStrCpy(commentList[index], "{\n", 3);
14824 safeStrCpy(commentList[index]+2, text, len+1);
14825 commentList[index][len+2] = NULLCHAR;
14826 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14827 strcat(commentList[index], "\n}\n");
14832 CrushCRs (char *text)
14840 if (ch == '\r') continue;
14842 } while (ch != '\0');
14846 AppendComment (int index, char *text, Boolean addBraces)
14847 /* addBraces tells if we should add {} */
14852 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14853 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14856 while (*text == '\n') text++;
14857 len = strlen(text);
14858 while (len > 0 && text[len - 1] == '\n') len--;
14859 text[len] = NULLCHAR;
14861 if (len == 0) return;
14863 if (commentList[index] != NULL) {
14864 Boolean addClosingBrace = addBraces;
14865 old = commentList[index];
14866 oldlen = strlen(old);
14867 while(commentList[index][oldlen-1] == '\n')
14868 commentList[index][--oldlen] = NULLCHAR;
14869 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14870 safeStrCpy(commentList[index], old, oldlen + len + 6);
14872 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14873 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14874 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14875 while (*text == '\n') { text++; len--; }
14876 commentList[index][--oldlen] = NULLCHAR;
14878 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14879 else strcat(commentList[index], "\n");
14880 strcat(commentList[index], text);
14881 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14882 else strcat(commentList[index], "\n");
14884 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14886 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14887 else commentList[index][0] = NULLCHAR;
14888 strcat(commentList[index], text);
14889 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14890 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14895 FindStr (char * text, char * sub_text)
14897 char * result = strstr( text, sub_text );
14899 if( result != NULL ) {
14900 result += strlen( sub_text );
14906 /* [AS] Try to extract PV info from PGN comment */
14907 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14909 GetInfoFromComment (int index, char * text)
14911 char * sep = text, *p;
14913 if( text != NULL && index > 0 ) {
14916 int time = -1, sec = 0, deci;
14917 char * s_eval = FindStr( text, "[%eval " );
14918 char * s_emt = FindStr( text, "[%emt " );
14920 if( s_eval != NULL || s_emt != NULL ) {
14924 if( s_eval != NULL ) {
14925 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
14929 if( delim != ']' ) {
14934 if( s_emt != NULL ) {
14939 /* We expect something like: [+|-]nnn.nn/dd */
14942 if(*text != '{') return text; // [HGM] braces: must be normal comment
14944 sep = strchr( text, '/' );
14945 if( sep == NULL || sep < (text+4) ) {
14950 if(p[1] == '(') { // comment starts with PV
14951 p = strchr(p, ')'); // locate end of PV
14952 if(p == NULL || sep < p+5) return text;
14953 // at this point we have something like "{(.*) +0.23/6 ..."
14954 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
14955 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
14956 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
14958 time = -1; sec = -1; deci = -1;
14959 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
14960 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
14961 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
14962 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
14966 if( score_lo < 0 || score_lo >= 100 ) {
14970 if(sec >= 0) time = 600*time + 10*sec; else
14971 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
14973 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
14975 /* [HGM] PV time: now locate end of PV info */
14976 while( *++sep >= '0' && *sep <= '9'); // strip depth
14978 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
14980 while( *++sep >= '0' && *sep <= '9'); // strip seconds
14982 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
14983 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
14994 pvInfoList[index-1].depth = depth;
14995 pvInfoList[index-1].score = score;
14996 pvInfoList[index-1].time = 10*time; // centi-sec
14997 if(*sep == '}') *sep = 0; else *--sep = '{';
14998 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15004 SendToProgram (char *message, ChessProgramState *cps)
15006 int count, outCount, error;
15009 if (cps->pr == NoProc) return;
15012 if (appData.debugMode) {
15015 fprintf(debugFP, "%ld >%-6s: %s",
15016 SubtractTimeMarks(&now, &programStartTime),
15017 cps->which, message);
15020 count = strlen(message);
15021 outCount = OutputToProcess(cps->pr, message, count, &error);
15022 if (outCount < count && !exiting
15023 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15024 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15025 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15026 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15027 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15028 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15029 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15030 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15032 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15033 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15034 gameInfo.result = res;
15036 gameInfo.resultDetails = StrSave(buf);
15038 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15039 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15044 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15048 ChessProgramState *cps = (ChessProgramState *)closure;
15050 if (isr != cps->isr) return; /* Killed intentionally */
15053 RemoveInputSource(cps->isr);
15054 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15055 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15056 _(cps->which), cps->program);
15057 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15058 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15059 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15060 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15061 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15063 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15064 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15065 gameInfo.result = res;
15067 gameInfo.resultDetails = StrSave(buf);
15069 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15070 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15072 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15073 _(cps->which), cps->program);
15074 RemoveInputSource(cps->isr);
15076 /* [AS] Program is misbehaving badly... kill it */
15077 if( count == -2 ) {
15078 DestroyChildProcess( cps->pr, 9 );
15082 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15087 if ((end_str = strchr(message, '\r')) != NULL)
15088 *end_str = NULLCHAR;
15089 if ((end_str = strchr(message, '\n')) != NULL)
15090 *end_str = NULLCHAR;
15092 if (appData.debugMode) {
15093 TimeMark now; int print = 1;
15094 char *quote = ""; char c; int i;
15096 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15097 char start = message[0];
15098 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15099 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15100 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15101 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15102 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15103 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15104 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15105 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15106 sscanf(message, "hint: %c", &c)!=1 &&
15107 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15108 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15109 print = (appData.engineComments >= 2);
15111 message[0] = start; // restore original message
15115 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15116 SubtractTimeMarks(&now, &programStartTime), cps->which,
15122 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15123 if (appData.icsEngineAnalyze) {
15124 if (strstr(message, "whisper") != NULL ||
15125 strstr(message, "kibitz") != NULL ||
15126 strstr(message, "tellics") != NULL) return;
15129 HandleMachineMove(message, cps);
15134 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15139 if( timeControl_2 > 0 ) {
15140 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15141 tc = timeControl_2;
15144 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15145 inc /= cps->timeOdds;
15146 st /= cps->timeOdds;
15148 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15151 /* Set exact time per move, normally using st command */
15152 if (cps->stKludge) {
15153 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15155 if (seconds == 0) {
15156 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15158 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15161 snprintf(buf, MSG_SIZ, "st %d\n", st);
15164 /* Set conventional or incremental time control, using level command */
15165 if (seconds == 0) {
15166 /* Note old gnuchess bug -- minutes:seconds used to not work.
15167 Fixed in later versions, but still avoid :seconds
15168 when seconds is 0. */
15169 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15171 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15172 seconds, inc/1000.);
15175 SendToProgram(buf, cps);
15177 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15178 /* Orthogonally, limit search to given depth */
15180 if (cps->sdKludge) {
15181 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15183 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15185 SendToProgram(buf, cps);
15188 if(cps->nps >= 0) { /* [HGM] nps */
15189 if(cps->supportsNPS == FALSE)
15190 cps->nps = -1; // don't use if engine explicitly says not supported!
15192 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15193 SendToProgram(buf, cps);
15198 ChessProgramState *
15200 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15202 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15203 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15209 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15211 char message[MSG_SIZ];
15214 /* Note: this routine must be called when the clocks are stopped
15215 or when they have *just* been set or switched; otherwise
15216 it will be off by the time since the current tick started.
15218 if (machineWhite) {
15219 time = whiteTimeRemaining / 10;
15220 otime = blackTimeRemaining / 10;
15222 time = blackTimeRemaining / 10;
15223 otime = whiteTimeRemaining / 10;
15225 /* [HGM] translate opponent's time by time-odds factor */
15226 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15228 if (time <= 0) time = 1;
15229 if (otime <= 0) otime = 1;
15231 snprintf(message, MSG_SIZ, "time %ld\n", time);
15232 SendToProgram(message, cps);
15234 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15235 SendToProgram(message, cps);
15239 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15242 int len = strlen(name);
15245 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15247 sscanf(*p, "%d", &val);
15249 while (**p && **p != ' ')
15251 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15252 SendToProgram(buf, cps);
15259 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15262 int len = strlen(name);
15263 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15265 sscanf(*p, "%d", loc);
15266 while (**p && **p != ' ') (*p)++;
15267 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15268 SendToProgram(buf, cps);
15275 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15278 int len = strlen(name);
15279 if (strncmp((*p), name, len) == 0
15280 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15282 sscanf(*p, "%[^\"]", loc);
15283 while (**p && **p != '\"') (*p)++;
15284 if (**p == '\"') (*p)++;
15285 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15286 SendToProgram(buf, cps);
15293 ParseOption (Option *opt, ChessProgramState *cps)
15294 // [HGM] options: process the string that defines an engine option, and determine
15295 // name, type, default value, and allowed value range
15297 char *p, *q, buf[MSG_SIZ];
15298 int n, min = (-1)<<31, max = 1<<31, def;
15300 if(p = strstr(opt->name, " -spin ")) {
15301 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15302 if(max < min) max = min; // enforce consistency
15303 if(def < min) def = min;
15304 if(def > max) def = max;
15309 } else if((p = strstr(opt->name, " -slider "))) {
15310 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15311 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15312 if(max < min) max = min; // enforce consistency
15313 if(def < min) def = min;
15314 if(def > max) def = max;
15318 opt->type = Spin; // Slider;
15319 } else if((p = strstr(opt->name, " -string "))) {
15320 opt->textValue = p+9;
15321 opt->type = TextBox;
15322 } else if((p = strstr(opt->name, " -file "))) {
15323 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15324 opt->textValue = p+7;
15325 opt->type = FileName; // FileName;
15326 } else if((p = strstr(opt->name, " -path "))) {
15327 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15328 opt->textValue = p+7;
15329 opt->type = PathName; // PathName;
15330 } else if(p = strstr(opt->name, " -check ")) {
15331 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15332 opt->value = (def != 0);
15333 opt->type = CheckBox;
15334 } else if(p = strstr(opt->name, " -combo ")) {
15335 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15336 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15337 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15338 opt->value = n = 0;
15339 while(q = StrStr(q, " /// ")) {
15340 n++; *q = 0; // count choices, and null-terminate each of them
15342 if(*q == '*') { // remember default, which is marked with * prefix
15346 cps->comboList[cps->comboCnt++] = q;
15348 cps->comboList[cps->comboCnt++] = NULL;
15350 opt->type = ComboBox;
15351 } else if(p = strstr(opt->name, " -button")) {
15352 opt->type = Button;
15353 } else if(p = strstr(opt->name, " -save")) {
15354 opt->type = SaveButton;
15355 } else return FALSE;
15356 *p = 0; // terminate option name
15357 // now look if the command-line options define a setting for this engine option.
15358 if(cps->optionSettings && cps->optionSettings[0])
15359 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15360 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15361 snprintf(buf, MSG_SIZ, "option %s", p);
15362 if(p = strstr(buf, ",")) *p = 0;
15363 if(q = strchr(buf, '=')) switch(opt->type) {
15365 for(n=0; n<opt->max; n++)
15366 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15369 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15373 opt->value = atoi(q+1);
15378 SendToProgram(buf, cps);
15384 FeatureDone (ChessProgramState *cps, int val)
15386 DelayedEventCallback cb = GetDelayedEvent();
15387 if ((cb == InitBackEnd3 && cps == &first) ||
15388 (cb == SettingsMenuIfReady && cps == &second) ||
15389 (cb == LoadEngine) ||
15390 (cb == TwoMachinesEventIfReady)) {
15391 CancelDelayedEvent();
15392 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15394 cps->initDone = val;
15397 /* Parse feature command from engine */
15399 ParseFeatures (char *args, ChessProgramState *cps)
15407 while (*p == ' ') p++;
15408 if (*p == NULLCHAR) return;
15410 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15411 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15412 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15413 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15414 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15415 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15416 if (BoolFeature(&p, "reuse", &val, cps)) {
15417 /* Engine can disable reuse, but can't enable it if user said no */
15418 if (!val) cps->reuse = FALSE;
15421 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15422 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15423 if (gameMode == TwoMachinesPlay) {
15424 DisplayTwoMachinesTitle();
15430 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15431 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15432 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15433 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15434 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15435 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15436 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15437 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15438 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15439 if (IntFeature(&p, "done", &val, cps)) {
15440 FeatureDone(cps, val);
15443 /* Added by Tord: */
15444 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15445 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15446 /* End of additions by Tord */
15448 /* [HGM] added features: */
15449 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15450 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15451 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15452 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15453 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15454 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15455 if (StringFeature(&p, "option", cps->option[cps->nrOptions].name, cps)) {
15456 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15457 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15458 SendToProgram(buf, cps);
15461 if(cps->nrOptions >= MAX_OPTIONS) {
15463 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15464 DisplayError(buf, 0);
15468 /* End of additions by HGM */
15470 /* unknown feature: complain and skip */
15472 while (*q && *q != '=') q++;
15473 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15474 SendToProgram(buf, cps);
15480 while (*p && *p != '\"') p++;
15481 if (*p == '\"') p++;
15483 while (*p && *p != ' ') p++;
15491 PeriodicUpdatesEvent (int newState)
15493 if (newState == appData.periodicUpdates)
15496 appData.periodicUpdates=newState;
15498 /* Display type changes, so update it now */
15499 // DisplayAnalysis();
15501 /* Get the ball rolling again... */
15503 AnalysisPeriodicEvent(1);
15504 StartAnalysisClock();
15509 PonderNextMoveEvent (int newState)
15511 if (newState == appData.ponderNextMove) return;
15512 if (gameMode == EditPosition) EditPositionDone(TRUE);
15514 SendToProgram("hard\n", &first);
15515 if (gameMode == TwoMachinesPlay) {
15516 SendToProgram("hard\n", &second);
15519 SendToProgram("easy\n", &first);
15520 thinkOutput[0] = NULLCHAR;
15521 if (gameMode == TwoMachinesPlay) {
15522 SendToProgram("easy\n", &second);
15525 appData.ponderNextMove = newState;
15529 NewSettingEvent (int option, int *feature, char *command, int value)
15533 if (gameMode == EditPosition) EditPositionDone(TRUE);
15534 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15535 if(feature == NULL || *feature) SendToProgram(buf, &first);
15536 if (gameMode == TwoMachinesPlay) {
15537 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15542 ShowThinkingEvent ()
15543 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15545 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15546 int newState = appData.showThinking
15547 // [HGM] thinking: other features now need thinking output as well
15548 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15550 if (oldState == newState) return;
15551 oldState = newState;
15552 if (gameMode == EditPosition) EditPositionDone(TRUE);
15554 SendToProgram("post\n", &first);
15555 if (gameMode == TwoMachinesPlay) {
15556 SendToProgram("post\n", &second);
15559 SendToProgram("nopost\n", &first);
15560 thinkOutput[0] = NULLCHAR;
15561 if (gameMode == TwoMachinesPlay) {
15562 SendToProgram("nopost\n", &second);
15565 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15569 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15571 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15572 if (pr == NoProc) return;
15573 AskQuestion(title, question, replyPrefix, pr);
15577 TypeInEvent (char firstChar)
15579 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15580 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15581 gameMode == AnalyzeMode || gameMode == EditGame ||
15582 gameMode == EditPosition || gameMode == IcsExamining ||
15583 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15584 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15585 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15586 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15587 gameMode == Training) PopUpMoveDialog(firstChar);
15591 TypeInDoneEvent (char *move)
15594 int n, fromX, fromY, toX, toY;
15596 ChessMove moveType;
15599 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15600 EditPositionPasteFEN(move);
15603 // [HGM] movenum: allow move number to be typed in any mode
15604 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15608 // undocumented kludge: allow command-line option to be typed in!
15609 // (potentially fatal, and does not implement the effect of the option.)
15610 // should only be used for options that are values on which future decisions will be made,
15611 // and definitely not on options that would be used during initialization.
15612 if(strstr(move, "!!! -") == move) {
15613 ParseArgsFromString(move+4);
15617 if (gameMode != EditGame && currentMove != forwardMostMove &&
15618 gameMode != Training) {
15619 DisplayMoveError(_("Displayed move is not current"));
15621 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15622 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15623 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15624 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15625 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15626 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15628 DisplayMoveError(_("Could not parse move"));
15634 DisplayMove (int moveNumber)
15636 char message[MSG_SIZ];
15638 char cpThinkOutput[MSG_SIZ];
15640 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15642 if (moveNumber == forwardMostMove - 1 ||
15643 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15645 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15647 if (strchr(cpThinkOutput, '\n')) {
15648 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15651 *cpThinkOutput = NULLCHAR;
15654 /* [AS] Hide thinking from human user */
15655 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15656 *cpThinkOutput = NULLCHAR;
15657 if( thinkOutput[0] != NULLCHAR ) {
15660 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15661 cpThinkOutput[i] = '.';
15663 cpThinkOutput[i] = NULLCHAR;
15664 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15668 if (moveNumber == forwardMostMove - 1 &&
15669 gameInfo.resultDetails != NULL) {
15670 if (gameInfo.resultDetails[0] == NULLCHAR) {
15671 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15673 snprintf(res, MSG_SIZ, " {%s} %s",
15674 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15680 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15681 DisplayMessage(res, cpThinkOutput);
15683 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15684 WhiteOnMove(moveNumber) ? " " : ".. ",
15685 parseList[moveNumber], res);
15686 DisplayMessage(message, cpThinkOutput);
15691 DisplayComment (int moveNumber, char *text)
15693 char title[MSG_SIZ];
15695 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15696 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15698 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15699 WhiteOnMove(moveNumber) ? " " : ".. ",
15700 parseList[moveNumber]);
15702 if (text != NULL && (appData.autoDisplayComment || commentUp))
15703 CommentPopUp(title, text);
15706 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15707 * might be busy thinking or pondering. It can be omitted if your
15708 * gnuchess is configured to stop thinking immediately on any user
15709 * input. However, that gnuchess feature depends on the FIONREAD
15710 * ioctl, which does not work properly on some flavors of Unix.
15713 Attention (ChessProgramState *cps)
15716 if (!cps->useSigint) return;
15717 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15718 switch (gameMode) {
15719 case MachinePlaysWhite:
15720 case MachinePlaysBlack:
15721 case TwoMachinesPlay:
15722 case IcsPlayingWhite:
15723 case IcsPlayingBlack:
15726 /* Skip if we know it isn't thinking */
15727 if (!cps->maybeThinking) return;
15728 if (appData.debugMode)
15729 fprintf(debugFP, "Interrupting %s\n", cps->which);
15730 InterruptChildProcess(cps->pr);
15731 cps->maybeThinking = FALSE;
15736 #endif /*ATTENTION*/
15742 if (whiteTimeRemaining <= 0) {
15745 if (appData.icsActive) {
15746 if (appData.autoCallFlag &&
15747 gameMode == IcsPlayingBlack && !blackFlag) {
15748 SendToICS(ics_prefix);
15749 SendToICS("flag\n");
15753 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15755 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15756 if (appData.autoCallFlag) {
15757 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15764 if (blackTimeRemaining <= 0) {
15767 if (appData.icsActive) {
15768 if (appData.autoCallFlag &&
15769 gameMode == IcsPlayingWhite && !whiteFlag) {
15770 SendToICS(ics_prefix);
15771 SendToICS("flag\n");
15775 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15777 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15778 if (appData.autoCallFlag) {
15779 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15790 CheckTimeControl ()
15792 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15793 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15796 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15798 if ( !WhiteOnMove(forwardMostMove) ) {
15799 /* White made time control */
15800 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15801 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15802 /* [HGM] time odds: correct new time quota for time odds! */
15803 / WhitePlayer()->timeOdds;
15804 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15806 lastBlack -= blackTimeRemaining;
15807 /* Black made time control */
15808 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15809 / WhitePlayer()->other->timeOdds;
15810 lastWhite = whiteTimeRemaining;
15815 DisplayBothClocks ()
15817 int wom = gameMode == EditPosition ?
15818 !blackPlaysFirst : WhiteOnMove(currentMove);
15819 DisplayWhiteClock(whiteTimeRemaining, wom);
15820 DisplayBlackClock(blackTimeRemaining, !wom);
15824 /* Timekeeping seems to be a portability nightmare. I think everyone
15825 has ftime(), but I'm really not sure, so I'm including some ifdefs
15826 to use other calls if you don't. Clocks will be less accurate if
15827 you have neither ftime nor gettimeofday.
15830 /* VS 2008 requires the #include outside of the function */
15831 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15832 #include <sys/timeb.h>
15835 /* Get the current time as a TimeMark */
15837 GetTimeMark (TimeMark *tm)
15839 #if HAVE_GETTIMEOFDAY
15841 struct timeval timeVal;
15842 struct timezone timeZone;
15844 gettimeofday(&timeVal, &timeZone);
15845 tm->sec = (long) timeVal.tv_sec;
15846 tm->ms = (int) (timeVal.tv_usec / 1000L);
15848 #else /*!HAVE_GETTIMEOFDAY*/
15851 // include <sys/timeb.h> / moved to just above start of function
15852 struct timeb timeB;
15855 tm->sec = (long) timeB.time;
15856 tm->ms = (int) timeB.millitm;
15858 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15859 tm->sec = (long) time(NULL);
15865 /* Return the difference in milliseconds between two
15866 time marks. We assume the difference will fit in a long!
15869 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
15871 return 1000L*(tm2->sec - tm1->sec) +
15872 (long) (tm2->ms - tm1->ms);
15877 * Code to manage the game clocks.
15879 * In tournament play, black starts the clock and then white makes a move.
15880 * We give the human user a slight advantage if he is playing white---the
15881 * clocks don't run until he makes his first move, so it takes zero time.
15882 * Also, we don't account for network lag, so we could get out of sync
15883 * with GNU Chess's clock -- but then, referees are always right.
15886 static TimeMark tickStartTM;
15887 static long intendedTickLength;
15890 NextTickLength (long timeRemaining)
15892 long nominalTickLength, nextTickLength;
15894 if (timeRemaining > 0L && timeRemaining <= 10000L)
15895 nominalTickLength = 100L;
15897 nominalTickLength = 1000L;
15898 nextTickLength = timeRemaining % nominalTickLength;
15899 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15901 return nextTickLength;
15904 /* Adjust clock one minute up or down */
15906 AdjustClock (Boolean which, int dir)
15908 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
15909 if(which) blackTimeRemaining += 60000*dir;
15910 else whiteTimeRemaining += 60000*dir;
15911 DisplayBothClocks();
15912 adjustedClock = TRUE;
15915 /* Stop clocks and reset to a fresh time control */
15919 (void) StopClockTimer();
15920 if (appData.icsActive) {
15921 whiteTimeRemaining = blackTimeRemaining = 0;
15922 } else if (searchTime) {
15923 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
15924 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
15925 } else { /* [HGM] correct new time quote for time odds */
15926 whiteTC = blackTC = fullTimeControlString;
15927 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
15928 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
15930 if (whiteFlag || blackFlag) {
15932 whiteFlag = blackFlag = FALSE;
15934 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
15935 DisplayBothClocks();
15936 adjustedClock = FALSE;
15939 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
15941 /* Decrement running clock by amount of time that has passed */
15945 long timeRemaining;
15946 long lastTickLength, fudge;
15949 if (!appData.clockMode) return;
15950 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
15954 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
15956 /* Fudge if we woke up a little too soon */
15957 fudge = intendedTickLength - lastTickLength;
15958 if (fudge < 0 || fudge > FUDGE) fudge = 0;
15960 if (WhiteOnMove(forwardMostMove)) {
15961 if(whiteNPS >= 0) lastTickLength = 0;
15962 timeRemaining = whiteTimeRemaining -= lastTickLength;
15963 if(timeRemaining < 0 && !appData.icsActive) {
15964 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
15965 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
15966 whiteStartMove = forwardMostMove; whiteTC = nextSession;
15967 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
15970 DisplayWhiteClock(whiteTimeRemaining - fudge,
15971 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15973 if(blackNPS >= 0) lastTickLength = 0;
15974 timeRemaining = blackTimeRemaining -= lastTickLength;
15975 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
15976 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
15978 blackStartMove = forwardMostMove;
15979 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
15982 DisplayBlackClock(blackTimeRemaining - fudge,
15983 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
15985 if (CheckFlags()) return;
15988 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
15989 StartClockTimer(intendedTickLength);
15991 /* if the time remaining has fallen below the alarm threshold, sound the
15992 * alarm. if the alarm has sounded and (due to a takeback or time control
15993 * with increment) the time remaining has increased to a level above the
15994 * threshold, reset the alarm so it can sound again.
15997 if (appData.icsActive && appData.icsAlarm) {
15999 /* make sure we are dealing with the user's clock */
16000 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16001 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16004 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16005 alarmSounded = FALSE;
16006 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16008 alarmSounded = TRUE;
16014 /* A player has just moved, so stop the previously running
16015 clock and (if in clock mode) start the other one.
16016 We redisplay both clocks in case we're in ICS mode, because
16017 ICS gives us an update to both clocks after every move.
16018 Note that this routine is called *after* forwardMostMove
16019 is updated, so the last fractional tick must be subtracted
16020 from the color that is *not* on move now.
16023 SwitchClocks (int newMoveNr)
16025 long lastTickLength;
16027 int flagged = FALSE;
16031 if (StopClockTimer() && appData.clockMode) {
16032 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16033 if (!WhiteOnMove(forwardMostMove)) {
16034 if(blackNPS >= 0) lastTickLength = 0;
16035 blackTimeRemaining -= lastTickLength;
16036 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16037 // if(pvInfoList[forwardMostMove].time == -1)
16038 pvInfoList[forwardMostMove].time = // use GUI time
16039 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16041 if(whiteNPS >= 0) lastTickLength = 0;
16042 whiteTimeRemaining -= lastTickLength;
16043 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16044 // if(pvInfoList[forwardMostMove].time == -1)
16045 pvInfoList[forwardMostMove].time =
16046 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16048 flagged = CheckFlags();
16050 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16051 CheckTimeControl();
16053 if (flagged || !appData.clockMode) return;
16055 switch (gameMode) {
16056 case MachinePlaysBlack:
16057 case MachinePlaysWhite:
16058 case BeginningOfGame:
16059 if (pausing) return;
16063 case PlayFromGameFile:
16071 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16072 if(WhiteOnMove(forwardMostMove))
16073 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16074 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16078 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16079 whiteTimeRemaining : blackTimeRemaining);
16080 StartClockTimer(intendedTickLength);
16084 /* Stop both clocks */
16088 long lastTickLength;
16091 if (!StopClockTimer()) return;
16092 if (!appData.clockMode) return;
16096 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16097 if (WhiteOnMove(forwardMostMove)) {
16098 if(whiteNPS >= 0) lastTickLength = 0;
16099 whiteTimeRemaining -= lastTickLength;
16100 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16102 if(blackNPS >= 0) lastTickLength = 0;
16103 blackTimeRemaining -= lastTickLength;
16104 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16109 /* Start clock of player on move. Time may have been reset, so
16110 if clock is already running, stop and restart it. */
16114 (void) StopClockTimer(); /* in case it was running already */
16115 DisplayBothClocks();
16116 if (CheckFlags()) return;
16118 if (!appData.clockMode) return;
16119 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16121 GetTimeMark(&tickStartTM);
16122 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16123 whiteTimeRemaining : blackTimeRemaining);
16125 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16126 whiteNPS = blackNPS = -1;
16127 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16128 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16129 whiteNPS = first.nps;
16130 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16131 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16132 blackNPS = first.nps;
16133 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16134 whiteNPS = second.nps;
16135 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16136 blackNPS = second.nps;
16137 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16139 StartClockTimer(intendedTickLength);
16143 TimeString (long ms)
16145 long second, minute, hour, day;
16147 static char buf[32];
16149 if (ms > 0 && ms <= 9900) {
16150 /* convert milliseconds to tenths, rounding up */
16151 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16153 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16157 /* convert milliseconds to seconds, rounding up */
16158 /* use floating point to avoid strangeness of integer division
16159 with negative dividends on many machines */
16160 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16167 day = second / (60 * 60 * 24);
16168 second = second % (60 * 60 * 24);
16169 hour = second / (60 * 60);
16170 second = second % (60 * 60);
16171 minute = second / 60;
16172 second = second % 60;
16175 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16176 sign, day, hour, minute, second);
16178 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16180 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16187 * This is necessary because some C libraries aren't ANSI C compliant yet.
16190 StrStr (char *string, char *match)
16194 length = strlen(match);
16196 for (i = strlen(string) - length; i >= 0; i--, string++)
16197 if (!strncmp(match, string, length))
16204 StrCaseStr (char *string, char *match)
16208 length = strlen(match);
16210 for (i = strlen(string) - length; i >= 0; i--, string++) {
16211 for (j = 0; j < length; j++) {
16212 if (ToLower(match[j]) != ToLower(string[j]))
16215 if (j == length) return string;
16223 StrCaseCmp (char *s1, char *s2)
16228 c1 = ToLower(*s1++);
16229 c2 = ToLower(*s2++);
16230 if (c1 > c2) return 1;
16231 if (c1 < c2) return -1;
16232 if (c1 == NULLCHAR) return 0;
16240 return isupper(c) ? tolower(c) : c;
16247 return islower(c) ? toupper(c) : c;
16249 #endif /* !_amigados */
16256 if ((ret = (char *) malloc(strlen(s) + 1)))
16258 safeStrCpy(ret, s, strlen(s)+1);
16264 StrSavePtr (char *s, char **savePtr)
16269 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16270 safeStrCpy(*savePtr, s, strlen(s)+1);
16282 clock = time((time_t *)NULL);
16283 tm = localtime(&clock);
16284 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16285 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16286 return StrSave(buf);
16291 PositionToFEN (int move, char *overrideCastling)
16293 int i, j, fromX, fromY, toX, toY;
16300 whiteToPlay = (gameMode == EditPosition) ?
16301 !blackPlaysFirst : (move % 2 == 0);
16304 /* Piece placement data */
16305 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16306 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16308 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16309 if (boards[move][i][j] == EmptySquare) {
16311 } else { ChessSquare piece = boards[move][i][j];
16312 if (emptycount > 0) {
16313 if(emptycount<10) /* [HGM] can be >= 10 */
16314 *p++ = '0' + emptycount;
16315 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16318 if(PieceToChar(piece) == '+') {
16319 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16321 piece = (ChessSquare)(DEMOTED piece);
16323 *p++ = PieceToChar(piece);
16325 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16326 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16331 if (emptycount > 0) {
16332 if(emptycount<10) /* [HGM] can be >= 10 */
16333 *p++ = '0' + emptycount;
16334 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16341 /* [HGM] print Crazyhouse or Shogi holdings */
16342 if( gameInfo.holdingsWidth ) {
16343 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16345 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16346 piece = boards[move][i][BOARD_WIDTH-1];
16347 if( piece != EmptySquare )
16348 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16349 *p++ = PieceToChar(piece);
16351 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16352 piece = boards[move][BOARD_HEIGHT-i-1][0];
16353 if( piece != EmptySquare )
16354 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16355 *p++ = PieceToChar(piece);
16358 if( q == p ) *p++ = '-';
16364 *p++ = whiteToPlay ? 'w' : 'b';
16367 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16368 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16370 if(nrCastlingRights) {
16372 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16373 /* [HGM] write directly from rights */
16374 if(boards[move][CASTLING][2] != NoRights &&
16375 boards[move][CASTLING][0] != NoRights )
16376 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16377 if(boards[move][CASTLING][2] != NoRights &&
16378 boards[move][CASTLING][1] != NoRights )
16379 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16380 if(boards[move][CASTLING][5] != NoRights &&
16381 boards[move][CASTLING][3] != NoRights )
16382 *p++ = boards[move][CASTLING][3] + AAA;
16383 if(boards[move][CASTLING][5] != NoRights &&
16384 boards[move][CASTLING][4] != NoRights )
16385 *p++ = boards[move][CASTLING][4] + AAA;
16388 /* [HGM] write true castling rights */
16389 if( nrCastlingRights == 6 ) {
16390 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16391 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16392 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16393 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16394 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16395 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16396 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16397 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16400 if (q == p) *p++ = '-'; /* No castling rights */
16404 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16405 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16406 /* En passant target square */
16407 if (move > backwardMostMove) {
16408 fromX = moveList[move - 1][0] - AAA;
16409 fromY = moveList[move - 1][1] - ONE;
16410 toX = moveList[move - 1][2] - AAA;
16411 toY = moveList[move - 1][3] - ONE;
16412 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16413 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16414 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16416 /* 2-square pawn move just happened */
16418 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16422 } else if(move == backwardMostMove) {
16423 // [HGM] perhaps we should always do it like this, and forget the above?
16424 if((signed char)boards[move][EP_STATUS] >= 0) {
16425 *p++ = boards[move][EP_STATUS] + AAA;
16426 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16437 /* [HGM] find reversible plies */
16438 { int i = 0, j=move;
16440 if (appData.debugMode) { int k;
16441 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16442 for(k=backwardMostMove; k<=forwardMostMove; k++)
16443 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16447 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16448 if( j == backwardMostMove ) i += initialRulePlies;
16449 sprintf(p, "%d ", i);
16450 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16452 /* Fullmove number */
16453 sprintf(p, "%d", (move / 2) + 1);
16455 return StrSave(buf);
16459 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16468 /* [HGM] by default clear Crazyhouse holdings, if present */
16469 if(gameInfo.holdingsWidth) {
16470 for(i=0; i<BOARD_HEIGHT; i++) {
16471 board[i][0] = EmptySquare; /* black holdings */
16472 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16473 board[i][1] = (ChessSquare) 0; /* black counts */
16474 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16478 /* Piece placement data */
16479 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16482 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16483 if (*p == '/') p++;
16484 emptycount = gameInfo.boardWidth - j;
16485 while (emptycount--)
16486 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16488 #if(BOARD_FILES >= 10)
16489 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16490 p++; emptycount=10;
16491 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16492 while (emptycount--)
16493 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16495 } else if (isdigit(*p)) {
16496 emptycount = *p++ - '0';
16497 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16498 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16499 while (emptycount--)
16500 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16501 } else if (*p == '+' || isalpha(*p)) {
16502 if (j >= gameInfo.boardWidth) return FALSE;
16504 piece = CharToPiece(*++p);
16505 if(piece == EmptySquare) return FALSE; /* unknown piece */
16506 piece = (ChessSquare) (PROMOTED piece ); p++;
16507 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16508 } else piece = CharToPiece(*p++);
16510 if(piece==EmptySquare) return FALSE; /* unknown piece */
16511 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16512 piece = (ChessSquare) (PROMOTED piece);
16513 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16516 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16522 while (*p == '/' || *p == ' ') p++;
16524 /* [HGM] look for Crazyhouse holdings here */
16525 while(*p==' ') p++;
16526 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16528 if(*p == '-' ) p++; /* empty holdings */ else {
16529 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16530 /* if we would allow FEN reading to set board size, we would */
16531 /* have to add holdings and shift the board read so far here */
16532 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16534 if((int) piece >= (int) BlackPawn ) {
16535 i = (int)piece - (int)BlackPawn;
16536 i = PieceToNumber((ChessSquare)i);
16537 if( i >= gameInfo.holdingsSize ) return FALSE;
16538 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16539 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16541 i = (int)piece - (int)WhitePawn;
16542 i = PieceToNumber((ChessSquare)i);
16543 if( i >= gameInfo.holdingsSize ) return FALSE;
16544 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16545 board[i][BOARD_WIDTH-2]++; /* black holdings */
16552 while(*p == ' ') p++;
16556 if(appData.colorNickNames) {
16557 if( c == appData.colorNickNames[0] ) c = 'w'; else
16558 if( c == appData.colorNickNames[1] ) c = 'b';
16562 *blackPlaysFirst = FALSE;
16565 *blackPlaysFirst = TRUE;
16571 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16572 /* return the extra info in global variiables */
16574 /* set defaults in case FEN is incomplete */
16575 board[EP_STATUS] = EP_UNKNOWN;
16576 for(i=0; i<nrCastlingRights; i++ ) {
16577 board[CASTLING][i] =
16578 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16579 } /* assume possible unless obviously impossible */
16580 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16581 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16582 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16583 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16584 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16585 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16586 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16587 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16590 while(*p==' ') p++;
16591 if(nrCastlingRights) {
16592 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16593 /* castling indicator present, so default becomes no castlings */
16594 for(i=0; i<nrCastlingRights; i++ ) {
16595 board[CASTLING][i] = NoRights;
16598 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16599 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16600 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16601 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16602 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16604 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16605 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16606 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16608 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16609 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16610 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16611 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16612 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16613 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16616 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16617 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16618 board[CASTLING][2] = whiteKingFile;
16621 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16622 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16623 board[CASTLING][2] = whiteKingFile;
16626 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16627 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16628 board[CASTLING][5] = blackKingFile;
16631 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16632 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16633 board[CASTLING][5] = blackKingFile;
16636 default: /* FRC castlings */
16637 if(c >= 'a') { /* black rights */
16638 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16639 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16640 if(i == BOARD_RGHT) break;
16641 board[CASTLING][5] = i;
16643 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16644 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16646 board[CASTLING][3] = c;
16648 board[CASTLING][4] = c;
16649 } else { /* white rights */
16650 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16651 if(board[0][i] == WhiteKing) break;
16652 if(i == BOARD_RGHT) break;
16653 board[CASTLING][2] = i;
16654 c -= AAA - 'a' + 'A';
16655 if(board[0][c] >= WhiteKing) break;
16657 board[CASTLING][0] = c;
16659 board[CASTLING][1] = c;
16663 for(i=0; i<nrCastlingRights; i++)
16664 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16665 if (appData.debugMode) {
16666 fprintf(debugFP, "FEN castling rights:");
16667 for(i=0; i<nrCastlingRights; i++)
16668 fprintf(debugFP, " %d", board[CASTLING][i]);
16669 fprintf(debugFP, "\n");
16672 while(*p==' ') p++;
16675 /* read e.p. field in games that know e.p. capture */
16676 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16677 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16679 p++; board[EP_STATUS] = EP_NONE;
16681 char c = *p++ - AAA;
16683 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16684 if(*p >= '0' && *p <='9') p++;
16685 board[EP_STATUS] = c;
16690 if(sscanf(p, "%d", &i) == 1) {
16691 FENrulePlies = i; /* 50-move ply counter */
16692 /* (The move number is still ignored) */
16699 EditPositionPasteFEN (char *fen)
16702 Board initial_position;
16704 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16705 DisplayError(_("Bad FEN position in clipboard"), 0);
16708 int savedBlackPlaysFirst = blackPlaysFirst;
16709 EditPositionEvent();
16710 blackPlaysFirst = savedBlackPlaysFirst;
16711 CopyBoard(boards[0], initial_position);
16712 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16713 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16714 DisplayBothClocks();
16715 DrawPosition(FALSE, boards[currentMove]);
16720 static char cseq[12] = "\\ ";
16723 set_cont_sequence (char *new_seq)
16728 // handle bad attempts to set the sequence
16730 return 0; // acceptable error - no debug
16732 len = strlen(new_seq);
16733 ret = (len > 0) && (len < sizeof(cseq));
16735 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16736 else if (appData.debugMode)
16737 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16742 reformat a source message so words don't cross the width boundary. internal
16743 newlines are not removed. returns the wrapped size (no null character unless
16744 included in source message). If dest is NULL, only calculate the size required
16745 for the dest buffer. lp argument indicats line position upon entry, and it's
16746 passed back upon exit.
16749 wrap (char *dest, char *src, int count, int width, int *lp)
16751 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16753 cseq_len = strlen(cseq);
16754 old_line = line = *lp;
16755 ansi = len = clen = 0;
16757 for (i=0; i < count; i++)
16759 if (src[i] == '\033')
16762 // if we hit the width, back up
16763 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16765 // store i & len in case the word is too long
16766 old_i = i, old_len = len;
16768 // find the end of the last word
16769 while (i && src[i] != ' ' && src[i] != '\n')
16775 // word too long? restore i & len before splitting it
16776 if ((old_i-i+clen) >= width)
16783 if (i && src[i-1] == ' ')
16786 if (src[i] != ' ' && src[i] != '\n')
16793 // now append the newline and continuation sequence
16798 strncpy(dest+len, cseq, cseq_len);
16806 dest[len] = src[i];
16810 if (src[i] == '\n')
16815 if (dest && appData.debugMode)
16817 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16818 count, width, line, len, *lp);
16819 show_bytes(debugFP, src, count);
16820 fprintf(debugFP, "\ndest: ");
16821 show_bytes(debugFP, dest, len);
16822 fprintf(debugFP, "\n");
16824 *lp = dest ? line : old_line;
16829 // [HGM] vari: routines for shelving variations
16830 Boolean modeRestore = FALSE;
16833 PushInner (int firstMove, int lastMove)
16835 int i, j, nrMoves = lastMove - firstMove;
16837 // push current tail of game on stack
16838 savedResult[storedGames] = gameInfo.result;
16839 savedDetails[storedGames] = gameInfo.resultDetails;
16840 gameInfo.resultDetails = NULL;
16841 savedFirst[storedGames] = firstMove;
16842 savedLast [storedGames] = lastMove;
16843 savedFramePtr[storedGames] = framePtr;
16844 framePtr -= nrMoves; // reserve space for the boards
16845 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16846 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16847 for(j=0; j<MOVE_LEN; j++)
16848 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16849 for(j=0; j<2*MOVE_LEN; j++)
16850 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16851 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16852 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16853 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16854 pvInfoList[firstMove+i-1].depth = 0;
16855 commentList[framePtr+i] = commentList[firstMove+i];
16856 commentList[firstMove+i] = NULL;
16860 forwardMostMove = firstMove; // truncate game so we can start variation
16864 PushTail (int firstMove, int lastMove)
16866 if(appData.icsActive) { // only in local mode
16867 forwardMostMove = currentMove; // mimic old ICS behavior
16870 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16872 PushInner(firstMove, lastMove);
16873 if(storedGames == 1) GreyRevert(FALSE);
16874 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16878 PopInner (Boolean annotate)
16881 char buf[8000], moveBuf[20];
16883 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16884 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16885 nrMoves = savedLast[storedGames] - currentMove;
16888 if(!WhiteOnMove(currentMove))
16889 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16890 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16891 for(i=currentMove; i<forwardMostMove; i++) {
16893 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16894 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16895 strcat(buf, moveBuf);
16896 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16897 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16901 for(i=1; i<=nrMoves; i++) { // copy last variation back
16902 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16903 for(j=0; j<MOVE_LEN; j++)
16904 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16905 for(j=0; j<2*MOVE_LEN; j++)
16906 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
16907 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
16908 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
16909 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
16910 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
16911 commentList[currentMove+i] = commentList[framePtr+i];
16912 commentList[framePtr+i] = NULL;
16914 if(annotate) AppendComment(currentMove+1, buf, FALSE);
16915 framePtr = savedFramePtr[storedGames];
16916 gameInfo.result = savedResult[storedGames];
16917 if(gameInfo.resultDetails != NULL) {
16918 free(gameInfo.resultDetails);
16920 gameInfo.resultDetails = savedDetails[storedGames];
16921 forwardMostMove = currentMove + nrMoves;
16925 PopTail (Boolean annotate)
16927 if(appData.icsActive) return FALSE; // only in local mode
16928 if(!storedGames) return FALSE; // sanity
16929 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
16931 PopInner(annotate);
16932 if(currentMove < forwardMostMove) ForwardEvent(); else
16933 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
16935 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
16941 { // remove all shelved variations
16943 for(i=0; i<storedGames; i++) {
16944 if(savedDetails[i])
16945 free(savedDetails[i]);
16946 savedDetails[i] = NULL;
16948 for(i=framePtr; i<MAX_MOVES; i++) {
16949 if(commentList[i]) free(commentList[i]);
16950 commentList[i] = NULL;
16952 framePtr = MAX_MOVES-1;
16957 LoadVariation (int index, char *text)
16958 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
16959 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
16960 int level = 0, move;
16962 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
16963 // first find outermost bracketing variation
16964 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
16965 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
16966 if(*p == '{') wait = '}'; else
16967 if(*p == '[') wait = ']'; else
16968 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
16969 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
16971 if(*p == wait) wait = NULLCHAR; // closing ]} found
16974 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
16975 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
16976 end[1] = NULLCHAR; // clip off comment beyond variation
16977 ToNrEvent(currentMove-1);
16978 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
16979 // kludge: use ParsePV() to append variation to game
16980 move = currentMove;
16981 ParsePV(start, TRUE, TRUE);
16982 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
16983 ClearPremoveHighlights();
16985 ToNrEvent(currentMove+1);