2 * backend.c -- Common back end for X and Windows NT versions of
4 * Copyright 1991 by Digital Equipment Corporation, Maynard,
7 * Enhancements Copyright 1992-2001, 2002, 2003, 2004, 2005, 2006,
8 * 2007, 2008, 2009, 2010, 2011, 2012 Free Software Foundation, Inc.
10 * Enhancements Copyright 2005 Alessandro Scotti
12 * The following terms apply to Digital Equipment Corporation's copyright
14 * ------------------------------------------------------------------------
17 * Permission to use, copy, modify, and distribute this software and its
18 * documentation for any purpose and without fee is hereby granted,
19 * provided that the above copyright notice appear in all copies and that
20 * both that copyright notice and this permission notice appear in
21 * supporting documentation, and that the name of Digital not be
22 * used in advertising or publicity pertaining to distribution of the
23 * software without specific, written prior permission.
25 * DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
26 * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
27 * DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
28 * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
29 * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
30 * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
32 * ------------------------------------------------------------------------
34 * The following terms apply to the enhanced version of XBoard
35 * distributed by the Free Software Foundation:
36 * ------------------------------------------------------------------------
38 * GNU XBoard is free software: you can redistribute it and/or modify
39 * it under the terms of the GNU General Public License as published by
40 * the Free Software Foundation, either version 3 of the License, or (at
41 * your option) any later version.
43 * GNU XBoard is distributed in the hope that it will be useful, but
44 * WITHOUT ANY WARRANTY; without even the implied warranty of
45 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
46 * General Public License for more details.
48 * You should have received a copy of the GNU General Public License
49 * along with this program. If not, see http://www.gnu.org/licenses/. *
51 *------------------------------------------------------------------------
52 ** See the file ChangeLog for a revision history. */
54 /* [AS] Also useful here for debugging */
58 int flock(int f, int code);
75 #include <sys/types.h>
84 #else /* not STDC_HEADERS */
87 # else /* not HAVE_STRING_H */
89 # endif /* not HAVE_STRING_H */
90 #endif /* not STDC_HEADERS */
93 # include <sys/fcntl.h>
94 #else /* not HAVE_SYS_FCNTL_H */
97 # endif /* HAVE_FCNTL_H */
98 #endif /* not HAVE_SYS_FCNTL_H */
100 #if TIME_WITH_SYS_TIME
101 # include <sys/time.h>
105 # include <sys/time.h>
111 #if defined(_amigados) && !defined(__GNUC__)
116 extern int gettimeofday(struct timeval *, struct timezone *);
124 #include "frontend.h"
131 #include "backendz.h"
135 # define _(s) gettext (s)
136 # define N_(s) gettext_noop (s)
137 # define T_(s) gettext(s)
150 int establish P((void));
151 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
152 char *buf, int count, int error));
153 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
154 char *buf, int count, int error));
155 void ics_printf P((char *format, ...));
156 void SendToICS P((char *s));
157 void SendToICSDelayed P((char *s, long msdelay));
158 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
159 void HandleMachineMove P((char *message, ChessProgramState *cps));
160 int AutoPlayOneMove P((void));
161 int LoadGameOneMove P((ChessMove readAhead));
162 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
163 int LoadPositionFromFile P((char *filename, int n, char *title));
164 int SavePositionToFile P((char *filename));
165 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
166 void ShowMove P((int fromX, int fromY, int toX, int toY));
167 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
168 /*char*/int promoChar));
169 void BackwardInner P((int target));
170 void ForwardInner P((int target));
171 int Adjudicate P((ChessProgramState *cps));
172 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
173 void EditPositionDone P((Boolean fakeRights));
174 void PrintOpponents P((FILE *fp));
175 void PrintPosition P((FILE *fp, int move));
176 void StartChessProgram P((ChessProgramState *cps));
177 void SendToProgram P((char *message, ChessProgramState *cps));
178 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
179 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
180 char *buf, int count, int error));
181 void SendTimeControl P((ChessProgramState *cps,
182 int mps, long tc, int inc, int sd, int st));
183 char *TimeControlTagValue P((void));
184 void Attention P((ChessProgramState *cps));
185 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
186 int ResurrectChessProgram P((void));
187 void DisplayComment P((int moveNumber, char *text));
188 void DisplayMove P((int moveNumber));
190 void ParseGameHistory P((char *game));
191 void ParseBoard12 P((char *string));
192 void KeepAlive P((void));
193 void StartClocks P((void));
194 void SwitchClocks P((int nr));
195 void StopClocks P((void));
196 void ResetClocks P((void));
197 char *PGNDate P((void));
198 void SetGameInfo P((void));
199 int RegisterMove P((void));
200 void MakeRegisteredMove P((void));
201 void TruncateGame P((void));
202 int looking_at P((char *, int *, char *));
203 void CopyPlayerNameIntoFileName P((char **, char *));
204 char *SavePart P((char *));
205 int SaveGameOldStyle P((FILE *));
206 int SaveGamePGN P((FILE *));
207 int CheckFlags P((void));
208 long NextTickLength P((long));
209 void CheckTimeControl P((void));
210 void show_bytes P((FILE *, char *, int));
211 int string_to_rating P((char *str));
212 void ParseFeatures P((char* args, ChessProgramState *cps));
213 void InitBackEnd3 P((void));
214 void FeatureDone P((ChessProgramState* cps, int val));
215 void InitChessProgram P((ChessProgramState *cps, int setup));
216 void OutputKibitz(int window, char *text);
217 int PerpetualChase(int first, int last);
218 int EngineOutputIsUp();
219 void InitDrawingSizes(int x, int y);
220 void NextMatchGame P((void));
221 int NextTourneyGame P((int nr, int *swap));
222 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
223 FILE *WriteTourneyFile P((char *results, FILE *f));
224 void DisplayTwoMachinesTitle P(());
227 extern void ConsoleCreate();
230 ChessProgramState *WhitePlayer();
231 void InsertIntoMemo P((int which, char *text)); // [HGM] kibitz: in engineo.c
232 int VerifyDisplayMode P(());
234 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
235 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
236 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
237 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
238 void ics_update_width P((int new_width));
239 extern char installDir[MSG_SIZ];
240 VariantClass startVariant; /* [HGM] nicks: initial variant */
243 extern int tinyLayout, smallLayout;
244 ChessProgramStats programStats;
245 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
247 static int exiting = 0; /* [HGM] moved to top */
248 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
249 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
250 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
251 int partnerHighlight[2];
252 Boolean partnerBoardValid = 0;
253 char partnerStatus[MSG_SIZ];
255 Boolean originalFlip;
256 Boolean twoBoards = 0;
257 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
258 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
259 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
260 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
261 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
262 int opponentKibitzes;
263 int lastSavedGame; /* [HGM] save: ID of game */
264 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
265 extern int chatCount;
267 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
268 char lastMsg[MSG_SIZ];
269 ChessSquare pieceSweep = EmptySquare;
270 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
271 int promoDefaultAltered;
273 /* States for ics_getting_history */
275 #define H_REQUESTED 1
276 #define H_GOT_REQ_HEADER 2
277 #define H_GOT_UNREQ_HEADER 3
278 #define H_GETTING_MOVES 4
279 #define H_GOT_UNWANTED_HEADER 5
281 /* whosays values for GameEnds */
290 /* Maximum number of games in a cmail message */
291 #define CMAIL_MAX_GAMES 20
293 /* Different types of move when calling RegisterMove */
295 #define CMAIL_RESIGN 1
297 #define CMAIL_ACCEPT 3
299 /* Different types of result to remember for each game */
300 #define CMAIL_NOT_RESULT 0
301 #define CMAIL_OLD_RESULT 1
302 #define CMAIL_NEW_RESULT 2
304 /* Telnet protocol constants */
315 safeStrCpy (char *dst, const char *src, size_t count)
318 assert( dst != NULL );
319 assert( src != NULL );
322 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
323 if( i == count && dst[count-1] != NULLCHAR)
325 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
326 if(appData.debugMode)
327 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
333 /* Some compiler can't cast u64 to double
334 * This function do the job for us:
336 * We use the highest bit for cast, this only
337 * works if the highest bit is not
338 * in use (This should not happen)
340 * We used this for all compiler
343 u64ToDouble (u64 value)
346 u64 tmp = value & u64Const(0x7fffffffffffffff);
347 r = (double)(s64)tmp;
348 if (value & u64Const(0x8000000000000000))
349 r += 9.2233720368547758080e18; /* 2^63 */
353 /* Fake up flags for now, as we aren't keeping track of castling
354 availability yet. [HGM] Change of logic: the flag now only
355 indicates the type of castlings allowed by the rule of the game.
356 The actual rights themselves are maintained in the array
357 castlingRights, as part of the game history, and are not probed
363 int flags = F_ALL_CASTLE_OK;
364 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
365 switch (gameInfo.variant) {
367 flags &= ~F_ALL_CASTLE_OK;
368 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
369 flags |= F_IGNORE_CHECK;
371 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
374 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
376 case VariantKriegspiel:
377 flags |= F_KRIEGSPIEL_CAPTURE;
379 case VariantCapaRandom:
380 case VariantFischeRandom:
381 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
382 case VariantNoCastle:
383 case VariantShatranj:
387 flags &= ~F_ALL_CASTLE_OK;
395 FILE *gameFileFP, *debugFP, *serverFP;
396 char *currentDebugFile; // [HGM] debug split: to remember name
399 [AS] Note: sometimes, the sscanf() function is used to parse the input
400 into a fixed-size buffer. Because of this, we must be prepared to
401 receive strings as long as the size of the input buffer, which is currently
402 set to 4K for Windows and 8K for the rest.
403 So, we must either allocate sufficiently large buffers here, or
404 reduce the size of the input buffer in the input reading part.
407 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
408 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
409 char thinkOutput1[MSG_SIZ*10];
411 ChessProgramState first, second, pairing;
413 /* premove variables */
416 int premoveFromX = 0;
417 int premoveFromY = 0;
418 int premovePromoChar = 0;
420 Boolean alarmSounded;
421 /* end premove variables */
423 char *ics_prefix = "$";
424 int ics_type = ICS_GENERIC;
426 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
427 int pauseExamForwardMostMove = 0;
428 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
429 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
430 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
431 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
432 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
433 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
434 int whiteFlag = FALSE, blackFlag = FALSE;
435 int userOfferedDraw = FALSE;
436 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
437 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
438 int cmailMoveType[CMAIL_MAX_GAMES];
439 long ics_clock_paused = 0;
440 ProcRef icsPR = NoProc, cmailPR = NoProc;
441 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
442 GameMode gameMode = BeginningOfGame;
443 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
444 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
445 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
446 int hiddenThinkOutputState = 0; /* [AS] */
447 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
448 int adjudicateLossPlies = 6;
449 char white_holding[64], black_holding[64];
450 TimeMark lastNodeCountTime;
451 long lastNodeCount=0;
452 int shiftKey; // [HGM] set by mouse handler
454 int have_sent_ICS_logon = 0;
456 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
457 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack;
458 Boolean adjustedClock;
459 long timeControl_2; /* [AS] Allow separate time controls */
460 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC; /* [HGM] secondary TC: merge of MPS, TC and inc */
461 long timeRemaining[2][MAX_MOVES];
462 int matchGame = 0, nextGame = 0, roundNr = 0;
463 Boolean waitingForGame = FALSE;
464 TimeMark programStartTime, pauseStart;
465 char ics_handle[MSG_SIZ];
466 int have_set_title = 0;
468 /* animateTraining preserves the state of appData.animate
469 * when Training mode is activated. This allows the
470 * response to be animated when appData.animate == TRUE and
471 * appData.animateDragging == TRUE.
473 Boolean animateTraining;
479 Board boards[MAX_MOVES];
480 /* [HGM] Following 7 needed for accurate legality tests: */
481 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
482 signed char initialRights[BOARD_FILES];
483 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
484 int initialRulePlies, FENrulePlies;
485 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
487 Boolean shuffleOpenings;
488 int mute; // mute all sounds
490 // [HGM] vari: next 12 to save and restore variations
491 #define MAX_VARIATIONS 10
492 int framePtr = MAX_MOVES-1; // points to free stack entry
494 int savedFirst[MAX_VARIATIONS];
495 int savedLast[MAX_VARIATIONS];
496 int savedFramePtr[MAX_VARIATIONS];
497 char *savedDetails[MAX_VARIATIONS];
498 ChessMove savedResult[MAX_VARIATIONS];
500 void PushTail P((int firstMove, int lastMove));
501 Boolean PopTail P((Boolean annotate));
502 void PushInner P((int firstMove, int lastMove));
503 void PopInner P((Boolean annotate));
504 void CleanupTail P((void));
506 ChessSquare FIDEArray[2][BOARD_FILES] = {
507 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
508 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
509 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
510 BlackKing, BlackBishop, BlackKnight, BlackRook }
513 ChessSquare twoKingsArray[2][BOARD_FILES] = {
514 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
515 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
516 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
517 BlackKing, BlackKing, BlackKnight, BlackRook }
520 ChessSquare KnightmateArray[2][BOARD_FILES] = {
521 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
522 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
523 { BlackRook, BlackMan, BlackBishop, BlackQueen,
524 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
527 ChessSquare SpartanArray[2][BOARD_FILES] = {
528 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
529 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
530 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
531 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
534 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
538 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
541 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
542 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
543 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
544 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
545 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
548 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
549 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
550 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
551 { BlackRook, BlackKnight, BlackMan, BlackFerz,
552 BlackKing, BlackMan, BlackKnight, BlackRook }
556 #if (BOARD_FILES>=10)
557 ChessSquare ShogiArray[2][BOARD_FILES] = {
558 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
559 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
560 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
561 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
564 ChessSquare XiangqiArray[2][BOARD_FILES] = {
565 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
566 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
567 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
568 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
571 ChessSquare CapablancaArray[2][BOARD_FILES] = {
572 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
573 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
574 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
575 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
578 ChessSquare GreatArray[2][BOARD_FILES] = {
579 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
580 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
581 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
582 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
585 ChessSquare JanusArray[2][BOARD_FILES] = {
586 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
587 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
588 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
589 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
592 ChessSquare GrandArray[2][BOARD_FILES] = {
593 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
594 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
595 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
596 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
600 ChessSquare GothicArray[2][BOARD_FILES] = {
601 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
602 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
603 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
604 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
607 #define GothicArray CapablancaArray
611 ChessSquare FalconArray[2][BOARD_FILES] = {
612 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
613 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
614 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
615 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
618 #define FalconArray CapablancaArray
621 #else // !(BOARD_FILES>=10)
622 #define XiangqiPosition FIDEArray
623 #define CapablancaArray FIDEArray
624 #define GothicArray FIDEArray
625 #define GreatArray FIDEArray
626 #endif // !(BOARD_FILES>=10)
628 #if (BOARD_FILES>=12)
629 ChessSquare CourierArray[2][BOARD_FILES] = {
630 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
631 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
632 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
633 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
635 #else // !(BOARD_FILES>=12)
636 #define CourierArray CapablancaArray
637 #endif // !(BOARD_FILES>=12)
640 Board initialPosition;
643 /* Convert str to a rating. Checks for special cases of "----",
645 "++++", etc. Also strips ()'s */
647 string_to_rating (char *str)
649 while(*str && !isdigit(*str)) ++str;
651 return 0; /* One of the special "no rating" cases */
659 /* Init programStats */
660 programStats.movelist[0] = 0;
661 programStats.depth = 0;
662 programStats.nr_moves = 0;
663 programStats.moves_left = 0;
664 programStats.nodes = 0;
665 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
666 programStats.score = 0;
667 programStats.got_only_move = 0;
668 programStats.got_fail = 0;
669 programStats.line_is_book = 0;
674 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
675 if (appData.firstPlaysBlack) {
676 first.twoMachinesColor = "black\n";
677 second.twoMachinesColor = "white\n";
679 first.twoMachinesColor = "white\n";
680 second.twoMachinesColor = "black\n";
683 first.other = &second;
684 second.other = &first;
687 if(appData.timeOddsMode) {
688 norm = appData.timeOdds[0];
689 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
691 first.timeOdds = appData.timeOdds[0]/norm;
692 second.timeOdds = appData.timeOdds[1]/norm;
695 if(programVersion) free(programVersion);
696 if (appData.noChessProgram) {
697 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
698 sprintf(programVersion, "%s", PACKAGE_STRING);
700 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
701 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
702 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
707 UnloadEngine (ChessProgramState *cps)
709 /* Kill off first chess program */
710 if (cps->isr != NULL)
711 RemoveInputSource(cps->isr);
714 if (cps->pr != NoProc) {
716 DoSleep( appData.delayBeforeQuit );
717 SendToProgram("quit\n", cps);
718 DoSleep( appData.delayAfterQuit );
719 DestroyChildProcess(cps->pr, cps->useSigterm);
722 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
726 ClearOptions (ChessProgramState *cps)
729 cps->nrOptions = cps->comboCnt = 0;
730 for(i=0; i<MAX_OPTIONS; i++) {
731 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
732 cps->option[i].textValue = 0;
736 char *engineNames[] = {
737 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
738 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
740 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
741 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
746 InitEngine (ChessProgramState *cps, int n)
747 { // [HGM] all engine initialiation put in a function that does one engine
751 cps->which = engineNames[n];
752 cps->maybeThinking = FALSE;
756 cps->sendDrawOffers = 1;
758 cps->program = appData.chessProgram[n];
759 cps->host = appData.host[n];
760 cps->dir = appData.directory[n];
761 cps->initString = appData.engInitString[n];
762 cps->computerString = appData.computerString[n];
763 cps->useSigint = TRUE;
764 cps->useSigterm = TRUE;
765 cps->reuse = appData.reuse[n];
766 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
767 cps->useSetboard = FALSE;
769 cps->usePing = FALSE;
772 cps->usePlayother = FALSE;
773 cps->useColors = TRUE;
774 cps->useUsermove = FALSE;
775 cps->sendICS = FALSE;
776 cps->sendName = appData.icsActive;
777 cps->sdKludge = FALSE;
778 cps->stKludge = FALSE;
779 TidyProgramName(cps->program, cps->host, cps->tidy);
781 safeStrCpy(cps->variants, appData.variant, MSG_SIZ);
782 cps->analysisSupport = 2; /* detect */
783 cps->analyzing = FALSE;
784 cps->initDone = FALSE;
786 /* New features added by Tord: */
787 cps->useFEN960 = FALSE;
788 cps->useOOCastle = TRUE;
789 /* End of new features added by Tord. */
790 cps->fenOverride = appData.fenOverride[n];
792 /* [HGM] time odds: set factor for each machine */
793 cps->timeOdds = appData.timeOdds[n];
795 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
796 cps->accumulateTC = appData.accumulateTC[n];
797 cps->maxNrOfSessions = 1;
802 cps->supportsNPS = UNKNOWN;
803 cps->memSize = FALSE;
804 cps->maxCores = FALSE;
805 cps->egtFormats[0] = NULLCHAR;
808 cps->optionSettings = appData.engOptions[n];
810 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
811 cps->isUCI = appData.isUCI[n]; /* [AS] */
812 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
814 if (appData.protocolVersion[n] > PROTOVER
815 || appData.protocolVersion[n] < 1)
820 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
821 appData.protocolVersion[n]);
822 if( (len >= MSG_SIZ) && appData.debugMode )
823 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
825 DisplayFatalError(buf, 0, 2);
829 cps->protocolVersion = appData.protocolVersion[n];
832 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
833 ParseFeatures(appData.featureDefaults, cps);
836 ChessProgramState *savCps;
842 if(WaitForEngine(savCps, LoadEngine)) return;
843 CommonEngineInit(); // recalculate time odds
844 if(gameInfo.variant != StringToVariant(appData.variant)) {
845 // we changed variant when loading the engine; this forces us to reset
846 Reset(TRUE, savCps != &first);
847 EditGameEvent(); // for consistency with other path, as Reset changes mode
849 InitChessProgram(savCps, FALSE);
850 SendToProgram("force\n", savCps);
851 DisplayMessage("", "");
852 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
853 for (i = backwardMostMove; i < forwardMostMove; i++) SendMoveToProgram(i, savCps);
859 ReplaceEngine (ChessProgramState *cps, int n)
863 appData.noChessProgram = FALSE;
864 appData.clockMode = TRUE;
867 if(n) return; // only startup first engine immediately; second can wait
868 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
872 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
873 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
875 static char resetOptions[] =
876 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
877 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
878 "-firstOptions \"\" -firstNPS -1 -fn \"\"";
881 FloatToFront(char **list, char *engineLine)
883 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
885 if(appData.recentEngines <= 0) return;
886 TidyProgramName(engineLine, "localhost", tidy+1);
887 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
888 strncpy(buf+1, *list, MSG_SIZ-50);
889 if(p = strstr(buf, tidy)) { // tidy name appears in list
890 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
891 while(*p++ = *++q); // squeeze out
893 strcat(tidy, buf+1); // put list behind tidy name
894 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
895 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
896 ASSIGN(*list, tidy+1);
900 Load (ChessProgramState *cps, int i)
902 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ];
903 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
904 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
905 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
906 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
907 appData.firstProtocolVersion = PROTOVER;
908 ParseArgsFromString(buf);
910 ReplaceEngine(cps, i);
911 FloatToFront(&appData.recentEngineList, engineLine);
915 while(q = strchr(p, SLASH)) p = q+1;
916 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
917 if(engineDir[0] != NULLCHAR)
918 appData.directory[i] = engineDir;
919 else if(p != engineName) { // derive directory from engine path, when not given
921 appData.directory[i] = strdup(engineName);
923 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
924 } else appData.directory[i] = ".";
926 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
927 snprintf(command, MSG_SIZ, "%s %s", p, params);
930 appData.chessProgram[i] = strdup(p);
931 appData.isUCI[i] = isUCI;
932 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
933 appData.hasOwnBookUCI[i] = hasBook;
934 if(!nickName[0]) useNick = FALSE;
935 if(useNick) ASSIGN(appData.pgnName[i], nickName);
939 q = firstChessProgramNames;
940 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
941 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
942 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
943 quote, p, quote, appData.directory[i],
944 useNick ? " -fn \"" : "",
945 useNick ? nickName : "",
947 v1 ? " -firstProtocolVersion 1" : "",
948 hasBook ? "" : " -fNoOwnBookUCI",
949 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
950 storeVariant ? " -variant " : "",
951 storeVariant ? VariantName(gameInfo.variant) : "");
952 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
953 snprintf(firstChessProgramNames, len, "%s%s", q, buf);
955 FloatToFront(&appData.recentEngineList, buf);
957 ReplaceEngine(cps, i);
963 int matched, min, sec;
965 * Parse timeControl resource
967 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
968 appData.movesPerSession)) {
970 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
971 DisplayFatalError(buf, 0, 2);
975 * Parse searchTime resource
977 if (*appData.searchTime != NULLCHAR) {
978 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
980 searchTime = min * 60;
981 } else if (matched == 2) {
982 searchTime = min * 60 + sec;
985 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
986 DisplayFatalError(buf, 0, 2);
995 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
996 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
998 GetTimeMark(&programStartTime);
999 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1000 appData.seedBase = random() + (random()<<15);
1001 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1003 ClearProgramStats();
1004 programStats.ok_to_send = 1;
1005 programStats.seen_stat = 0;
1008 * Initialize game list
1014 * Internet chess server status
1016 if (appData.icsActive) {
1017 appData.matchMode = FALSE;
1018 appData.matchGames = 0;
1020 appData.noChessProgram = !appData.zippyPlay;
1022 appData.zippyPlay = FALSE;
1023 appData.zippyTalk = FALSE;
1024 appData.noChessProgram = TRUE;
1026 if (*appData.icsHelper != NULLCHAR) {
1027 appData.useTelnet = TRUE;
1028 appData.telnetProgram = appData.icsHelper;
1031 appData.zippyTalk = appData.zippyPlay = FALSE;
1034 /* [AS] Initialize pv info list [HGM] and game state */
1038 for( i=0; i<=framePtr; i++ ) {
1039 pvInfoList[i].depth = -1;
1040 boards[i][EP_STATUS] = EP_NONE;
1041 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1047 /* [AS] Adjudication threshold */
1048 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1050 InitEngine(&first, 0);
1051 InitEngine(&second, 1);
1054 pairing.which = "pairing"; // pairing engine
1055 pairing.pr = NoProc;
1057 pairing.program = appData.pairingEngine;
1058 pairing.host = "localhost";
1061 if (appData.icsActive) {
1062 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1063 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1064 appData.clockMode = FALSE;
1065 first.sendTime = second.sendTime = 0;
1069 /* Override some settings from environment variables, for backward
1070 compatibility. Unfortunately it's not feasible to have the env
1071 vars just set defaults, at least in xboard. Ugh.
1073 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1078 if (!appData.icsActive) {
1082 /* Check for variants that are supported only in ICS mode,
1083 or not at all. Some that are accepted here nevertheless
1084 have bugs; see comments below.
1086 VariantClass variant = StringToVariant(appData.variant);
1088 case VariantBughouse: /* need four players and two boards */
1089 case VariantKriegspiel: /* need to hide pieces and move details */
1090 /* case VariantFischeRandom: (Fabien: moved below) */
1091 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1092 if( (len >= MSG_SIZ) && appData.debugMode )
1093 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1095 DisplayFatalError(buf, 0, 2);
1098 case VariantUnknown:
1099 case VariantLoadable:
1109 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1110 if( (len >= MSG_SIZ) && appData.debugMode )
1111 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1113 DisplayFatalError(buf, 0, 2);
1116 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1117 case VariantFairy: /* [HGM] TestLegality definitely off! */
1118 case VariantGothic: /* [HGM] should work */
1119 case VariantCapablanca: /* [HGM] should work */
1120 case VariantCourier: /* [HGM] initial forced moves not implemented */
1121 case VariantShogi: /* [HGM] could still mate with pawn drop */
1122 case VariantKnightmate: /* [HGM] should work */
1123 case VariantCylinder: /* [HGM] untested */
1124 case VariantFalcon: /* [HGM] untested */
1125 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1126 offboard interposition not understood */
1127 case VariantNormal: /* definitely works! */
1128 case VariantWildCastle: /* pieces not automatically shuffled */
1129 case VariantNoCastle: /* pieces not automatically shuffled */
1130 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1131 case VariantLosers: /* should work except for win condition,
1132 and doesn't know captures are mandatory */
1133 case VariantSuicide: /* should work except for win condition,
1134 and doesn't know captures are mandatory */
1135 case VariantGiveaway: /* should work except for win condition,
1136 and doesn't know captures are mandatory */
1137 case VariantTwoKings: /* should work */
1138 case VariantAtomic: /* should work except for win condition */
1139 case Variant3Check: /* should work except for win condition */
1140 case VariantShatranj: /* should work except for all win conditions */
1141 case VariantMakruk: /* should work except for draw countdown */
1142 case VariantBerolina: /* might work if TestLegality is off */
1143 case VariantCapaRandom: /* should work */
1144 case VariantJanus: /* should work */
1145 case VariantSuper: /* experimental */
1146 case VariantGreat: /* experimental, requires legality testing to be off */
1147 case VariantSChess: /* S-Chess, should work */
1148 case VariantGrand: /* should work */
1149 case VariantSpartan: /* should work */
1157 NextIntegerFromString (char ** str, long * value)
1162 while( *s == ' ' || *s == '\t' ) {
1168 if( *s >= '0' && *s <= '9' ) {
1169 while( *s >= '0' && *s <= '9' ) {
1170 *value = *value * 10 + (*s - '0');
1183 NextTimeControlFromString (char ** str, long * value)
1186 int result = NextIntegerFromString( str, &temp );
1189 *value = temp * 60; /* Minutes */
1190 if( **str == ':' ) {
1192 result = NextIntegerFromString( str, &temp );
1193 *value += temp; /* Seconds */
1201 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1202 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1203 int result = -1, type = 0; long temp, temp2;
1205 if(**str != ':') return -1; // old params remain in force!
1207 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1208 if( NextIntegerFromString( str, &temp ) ) return -1;
1209 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1212 /* time only: incremental or sudden-death time control */
1213 if(**str == '+') { /* increment follows; read it */
1215 if(**str == '!') type = *(*str)++; // Bronstein TC
1216 if(result = NextIntegerFromString( str, &temp2)) return -1;
1217 *inc = temp2 * 1000;
1218 if(**str == '.') { // read fraction of increment
1219 char *start = ++(*str);
1220 if(result = NextIntegerFromString( str, &temp2)) return -1;
1222 while(start++ < *str) temp2 /= 10;
1226 *moves = 0; *tc = temp * 1000; *incType = type;
1230 (*str)++; /* classical time control */
1231 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1243 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1244 { /* [HGM] get time to add from the multi-session time-control string */
1245 int incType, moves=1; /* kludge to force reading of first session */
1246 long time, increment;
1249 if(!*s) return 0; // empty TC string means we ran out of the last sudden-death version
1251 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1252 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1253 if(movenr == -1) return time; /* last move before new session */
1254 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1255 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1256 if(!moves) return increment; /* current session is incremental */
1257 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1258 } while(movenr >= -1); /* try again for next session */
1260 return 0; // no new time quota on this move
1264 ParseTimeControl (char *tc, float ti, int mps)
1268 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1271 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1272 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1273 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1277 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1279 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1282 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1284 snprintf(buf, MSG_SIZ, ":%s", mytc);
1286 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1288 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1293 /* Parse second time control */
1296 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1304 timeControl_2 = tc2 * 1000;
1314 timeControl = tc1 * 1000;
1317 timeIncrement = ti * 1000; /* convert to ms */
1318 movesPerSession = 0;
1321 movesPerSession = mps;
1329 if (appData.debugMode) {
1330 fprintf(debugFP, "%s\n", programVersion);
1332 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1334 set_cont_sequence(appData.wrapContSeq);
1335 if (appData.matchGames > 0) {
1336 appData.matchMode = TRUE;
1337 } else if (appData.matchMode) {
1338 appData.matchGames = 1;
1340 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1341 appData.matchGames = appData.sameColorGames;
1342 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1343 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1344 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1347 if (appData.noChessProgram || first.protocolVersion == 1) {
1350 /* kludge: allow timeout for initial "feature" commands */
1352 DisplayMessage("", _("Starting chess program"));
1353 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1358 CalculateIndex (int index, int gameNr)
1359 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1361 if(index > 0) return index; // fixed nmber
1362 if(index == 0) return 1;
1363 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1364 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1369 LoadGameOrPosition (int gameNr)
1370 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1371 if (*appData.loadGameFile != NULLCHAR) {
1372 if (!LoadGameFromFile(appData.loadGameFile,
1373 CalculateIndex(appData.loadGameIndex, gameNr),
1374 appData.loadGameFile, FALSE)) {
1375 DisplayFatalError(_("Bad game file"), 0, 1);
1378 } else if (*appData.loadPositionFile != NULLCHAR) {
1379 if (!LoadPositionFromFile(appData.loadPositionFile,
1380 CalculateIndex(appData.loadPositionIndex, gameNr),
1381 appData.loadPositionFile)) {
1382 DisplayFatalError(_("Bad position file"), 0, 1);
1390 ReserveGame (int gameNr, char resChar)
1392 FILE *tf = fopen(appData.tourneyFile, "r+");
1393 char *p, *q, c, buf[MSG_SIZ];
1394 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1395 safeStrCpy(buf, lastMsg, MSG_SIZ);
1396 DisplayMessage(_("Pick new game"), "");
1397 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1398 ParseArgsFromFile(tf);
1399 p = q = appData.results;
1400 if(appData.debugMode) {
1401 char *r = appData.participants;
1402 fprintf(debugFP, "results = '%s'\n", p);
1403 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1404 fprintf(debugFP, "\n");
1406 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1408 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1409 safeStrCpy(q, p, strlen(p) + 2);
1410 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1411 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1412 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1413 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1416 fseek(tf, -(strlen(p)+4), SEEK_END);
1418 if(c != '"') // depending on DOS or Unix line endings we can be one off
1419 fseek(tf, -(strlen(p)+2), SEEK_END);
1420 else fseek(tf, -(strlen(p)+3), SEEK_END);
1421 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1422 DisplayMessage(buf, "");
1423 free(p); appData.results = q;
1424 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1425 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1426 int round = appData.defaultMatchGames * appData.tourneyType;
1427 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1428 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1429 UnloadEngine(&first); // next game belongs to other pairing;
1430 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1432 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1436 MatchEvent (int mode)
1437 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1439 if(matchMode) { // already in match mode: switch it off
1441 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1444 // if(gameMode != BeginningOfGame) {
1445 // DisplayError(_("You can only start a match from the initial position."), 0);
1449 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1450 /* Set up machine vs. machine match */
1452 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1453 if(appData.tourneyFile[0]) {
1455 if(nextGame > appData.matchGames) {
1457 if(strchr(appData.results, '*') == NULL) {
1459 appData.tourneyCycles++;
1460 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1462 NextTourneyGame(-1, &dummy);
1464 if(nextGame <= appData.matchGames) {
1465 DisplayNote(_("You restarted an already completed tourney\nOne more cycle will now be added to it\nGames commence in 10 sec"));
1467 ScheduleDelayedEvent(NextMatchGame, 10000);
1472 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1473 DisplayError(buf, 0);
1474 appData.tourneyFile[0] = 0;
1478 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1479 DisplayFatalError(_("Can't have a match with no chess programs"),
1484 matchGame = roundNr = 1;
1485 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1489 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1492 InitBackEnd3 P((void))
1494 GameMode initialMode;
1498 InitChessProgram(&first, startedFromSetupPosition);
1500 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1501 free(programVersion);
1502 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1503 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1504 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1507 if (appData.icsActive) {
1509 /* [DM] Make a console window if needed [HGM] merged ifs */
1515 if (*appData.icsCommPort != NULLCHAR)
1516 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1517 appData.icsCommPort);
1519 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1520 appData.icsHost, appData.icsPort);
1522 if( (len >= MSG_SIZ) && appData.debugMode )
1523 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1525 DisplayFatalError(buf, err, 1);
1530 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1532 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1533 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1534 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1535 } else if (appData.noChessProgram) {
1541 if (*appData.cmailGameName != NULLCHAR) {
1543 OpenLoopback(&cmailPR);
1545 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1549 DisplayMessage("", "");
1550 if (StrCaseCmp(appData.initialMode, "") == 0) {
1551 initialMode = BeginningOfGame;
1552 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1553 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1554 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1555 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1558 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1559 initialMode = TwoMachinesPlay;
1560 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1561 initialMode = AnalyzeFile;
1562 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1563 initialMode = AnalyzeMode;
1564 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1565 initialMode = MachinePlaysWhite;
1566 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1567 initialMode = MachinePlaysBlack;
1568 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1569 initialMode = EditGame;
1570 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1571 initialMode = EditPosition;
1572 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1573 initialMode = Training;
1575 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1576 if( (len >= MSG_SIZ) && appData.debugMode )
1577 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1579 DisplayFatalError(buf, 0, 2);
1583 if (appData.matchMode) {
1584 if(appData.tourneyFile[0]) { // start tourney from command line
1586 if(f = fopen(appData.tourneyFile, "r")) {
1587 ParseArgsFromFile(f); // make sure tourney parmeters re known
1589 appData.clockMode = TRUE;
1591 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1594 } else if (*appData.cmailGameName != NULLCHAR) {
1595 /* Set up cmail mode */
1596 ReloadCmailMsgEvent(TRUE);
1598 /* Set up other modes */
1599 if (initialMode == AnalyzeFile) {
1600 if (*appData.loadGameFile == NULLCHAR) {
1601 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1605 if (*appData.loadGameFile != NULLCHAR) {
1606 (void) LoadGameFromFile(appData.loadGameFile,
1607 appData.loadGameIndex,
1608 appData.loadGameFile, TRUE);
1609 } else if (*appData.loadPositionFile != NULLCHAR) {
1610 (void) LoadPositionFromFile(appData.loadPositionFile,
1611 appData.loadPositionIndex,
1612 appData.loadPositionFile);
1613 /* [HGM] try to make self-starting even after FEN load */
1614 /* to allow automatic setup of fairy variants with wtm */
1615 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1616 gameMode = BeginningOfGame;
1617 setboardSpoiledMachineBlack = 1;
1619 /* [HGM] loadPos: make that every new game uses the setup */
1620 /* from file as long as we do not switch variant */
1621 if(!blackPlaysFirst) {
1622 startedFromPositionFile = TRUE;
1623 CopyBoard(filePosition, boards[0]);
1626 if (initialMode == AnalyzeMode) {
1627 if (appData.noChessProgram) {
1628 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1631 if (appData.icsActive) {
1632 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1636 } else if (initialMode == AnalyzeFile) {
1637 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1638 ShowThinkingEvent();
1640 AnalysisPeriodicEvent(1);
1641 } else if (initialMode == MachinePlaysWhite) {
1642 if (appData.noChessProgram) {
1643 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1647 if (appData.icsActive) {
1648 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1652 MachineWhiteEvent();
1653 } else if (initialMode == MachinePlaysBlack) {
1654 if (appData.noChessProgram) {
1655 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1659 if (appData.icsActive) {
1660 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1664 MachineBlackEvent();
1665 } else if (initialMode == TwoMachinesPlay) {
1666 if (appData.noChessProgram) {
1667 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1671 if (appData.icsActive) {
1672 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1677 } else if (initialMode == EditGame) {
1679 } else if (initialMode == EditPosition) {
1680 EditPositionEvent();
1681 } else if (initialMode == Training) {
1682 if (*appData.loadGameFile == NULLCHAR) {
1683 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1692 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1694 DisplayBook(current+1);
1696 MoveHistorySet( movelist, first, last, current, pvInfoList );
1698 EvalGraphSet( first, last, current, pvInfoList );
1700 MakeEngineOutputTitle();
1704 * Establish will establish a contact to a remote host.port.
1705 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1706 * used to talk to the host.
1707 * Returns 0 if okay, error code if not.
1714 if (*appData.icsCommPort != NULLCHAR) {
1715 /* Talk to the host through a serial comm port */
1716 return OpenCommPort(appData.icsCommPort, &icsPR);
1718 } else if (*appData.gateway != NULLCHAR) {
1719 if (*appData.remoteShell == NULLCHAR) {
1720 /* Use the rcmd protocol to run telnet program on a gateway host */
1721 snprintf(buf, sizeof(buf), "%s %s %s",
1722 appData.telnetProgram, appData.icsHost, appData.icsPort);
1723 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1726 /* Use the rsh program to run telnet program on a gateway host */
1727 if (*appData.remoteUser == NULLCHAR) {
1728 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1729 appData.gateway, appData.telnetProgram,
1730 appData.icsHost, appData.icsPort);
1732 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1733 appData.remoteShell, appData.gateway,
1734 appData.remoteUser, appData.telnetProgram,
1735 appData.icsHost, appData.icsPort);
1737 return StartChildProcess(buf, "", &icsPR);
1740 } else if (appData.useTelnet) {
1741 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1744 /* TCP socket interface differs somewhat between
1745 Unix and NT; handle details in the front end.
1747 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1752 EscapeExpand (char *p, char *q)
1753 { // [HGM] initstring: routine to shape up string arguments
1754 while(*p++ = *q++) if(p[-1] == '\\')
1756 case 'n': p[-1] = '\n'; break;
1757 case 'r': p[-1] = '\r'; break;
1758 case 't': p[-1] = '\t'; break;
1759 case '\\': p[-1] = '\\'; break;
1760 case 0: *p = 0; return;
1761 default: p[-1] = q[-1]; break;
1766 show_bytes (FILE *fp, char *buf, int count)
1769 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1770 fprintf(fp, "\\%03o", *buf & 0xff);
1779 /* Returns an errno value */
1781 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1783 char buf[8192], *p, *q, *buflim;
1784 int left, newcount, outcount;
1786 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1787 *appData.gateway != NULLCHAR) {
1788 if (appData.debugMode) {
1789 fprintf(debugFP, ">ICS: ");
1790 show_bytes(debugFP, message, count);
1791 fprintf(debugFP, "\n");
1793 return OutputToProcess(pr, message, count, outError);
1796 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1803 if (appData.debugMode) {
1804 fprintf(debugFP, ">ICS: ");
1805 show_bytes(debugFP, buf, newcount);
1806 fprintf(debugFP, "\n");
1808 outcount = OutputToProcess(pr, buf, newcount, outError);
1809 if (outcount < newcount) return -1; /* to be sure */
1816 } else if (((unsigned char) *p) == TN_IAC) {
1817 *q++ = (char) TN_IAC;
1824 if (appData.debugMode) {
1825 fprintf(debugFP, ">ICS: ");
1826 show_bytes(debugFP, buf, newcount);
1827 fprintf(debugFP, "\n");
1829 outcount = OutputToProcess(pr, buf, newcount, outError);
1830 if (outcount < newcount) return -1; /* to be sure */
1835 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1837 int outError, outCount;
1838 static int gotEof = 0;
1840 /* Pass data read from player on to ICS */
1843 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1844 if (outCount < count) {
1845 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1847 } else if (count < 0) {
1848 RemoveInputSource(isr);
1849 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1850 } else if (gotEof++ > 0) {
1851 RemoveInputSource(isr);
1852 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1858 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1859 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1860 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1861 SendToICS("date\n");
1862 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1865 /* added routine for printf style output to ics */
1867 ics_printf (char *format, ...)
1869 char buffer[MSG_SIZ];
1872 va_start(args, format);
1873 vsnprintf(buffer, sizeof(buffer), format, args);
1874 buffer[sizeof(buffer)-1] = '\0';
1882 int count, outCount, outError;
1884 if (icsPR == NoProc) return;
1887 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
1888 if (outCount < count) {
1889 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1893 /* This is used for sending logon scripts to the ICS. Sending
1894 without a delay causes problems when using timestamp on ICC
1895 (at least on my machine). */
1897 SendToICSDelayed (char *s, long msdelay)
1899 int count, outCount, outError;
1901 if (icsPR == NoProc) return;
1904 if (appData.debugMode) {
1905 fprintf(debugFP, ">ICS: ");
1906 show_bytes(debugFP, s, count);
1907 fprintf(debugFP, "\n");
1909 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
1911 if (outCount < count) {
1912 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1917 /* Remove all highlighting escape sequences in s
1918 Also deletes any suffix starting with '('
1921 StripHighlightAndTitle (char *s)
1923 static char retbuf[MSG_SIZ];
1926 while (*s != NULLCHAR) {
1927 while (*s == '\033') {
1928 while (*s != NULLCHAR && !isalpha(*s)) s++;
1929 if (*s != NULLCHAR) s++;
1931 while (*s != NULLCHAR && *s != '\033') {
1932 if (*s == '(' || *s == '[') {
1943 /* Remove all highlighting escape sequences in s */
1945 StripHighlight (char *s)
1947 static char retbuf[MSG_SIZ];
1950 while (*s != NULLCHAR) {
1951 while (*s == '\033') {
1952 while (*s != NULLCHAR && !isalpha(*s)) s++;
1953 if (*s != NULLCHAR) s++;
1955 while (*s != NULLCHAR && *s != '\033') {
1963 char *variantNames[] = VARIANT_NAMES;
1965 VariantName (VariantClass v)
1967 return variantNames[v];
1971 /* Identify a variant from the strings the chess servers use or the
1972 PGN Variant tag names we use. */
1974 StringToVariant (char *e)
1978 VariantClass v = VariantNormal;
1979 int i, found = FALSE;
1985 /* [HGM] skip over optional board-size prefixes */
1986 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
1987 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
1988 while( *e++ != '_');
1991 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
1995 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
1996 if (StrCaseStr(e, variantNames[i])) {
1997 v = (VariantClass) i;
2004 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2005 || StrCaseStr(e, "wild/fr")
2006 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2007 v = VariantFischeRandom;
2008 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2009 (i = 1, p = StrCaseStr(e, "w"))) {
2011 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2018 case 0: /* FICS only, actually */
2020 /* Castling legal even if K starts on d-file */
2021 v = VariantWildCastle;
2026 /* Castling illegal even if K & R happen to start in
2027 normal positions. */
2028 v = VariantNoCastle;
2041 /* Castling legal iff K & R start in normal positions */
2047 /* Special wilds for position setup; unclear what to do here */
2048 v = VariantLoadable;
2051 /* Bizarre ICC game */
2052 v = VariantTwoKings;
2055 v = VariantKriegspiel;
2061 v = VariantFischeRandom;
2064 v = VariantCrazyhouse;
2067 v = VariantBughouse;
2073 /* Not quite the same as FICS suicide! */
2074 v = VariantGiveaway;
2080 v = VariantShatranj;
2083 /* Temporary names for future ICC types. The name *will* change in
2084 the next xboard/WinBoard release after ICC defines it. */
2122 v = VariantCapablanca;
2125 v = VariantKnightmate;
2131 v = VariantCylinder;
2137 v = VariantCapaRandom;
2140 v = VariantBerolina;
2152 /* Found "wild" or "w" in the string but no number;
2153 must assume it's normal chess. */
2157 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2158 if( (len >= MSG_SIZ) && appData.debugMode )
2159 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2161 DisplayError(buf, 0);
2167 if (appData.debugMode) {
2168 fprintf(debugFP, _("recognized '%s' (%d) as variant %s\n"),
2169 e, wnum, VariantName(v));
2174 static int leftover_start = 0, leftover_len = 0;
2175 char star_match[STAR_MATCH_N][MSG_SIZ];
2177 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2178 advance *index beyond it, and set leftover_start to the new value of
2179 *index; else return FALSE. If pattern contains the character '*', it
2180 matches any sequence of characters not containing '\r', '\n', or the
2181 character following the '*' (if any), and the matched sequence(s) are
2182 copied into star_match.
2185 looking_at ( char *buf, int *index, char *pattern)
2187 char *bufp = &buf[*index], *patternp = pattern;
2189 char *matchp = star_match[0];
2192 if (*patternp == NULLCHAR) {
2193 *index = leftover_start = bufp - buf;
2197 if (*bufp == NULLCHAR) return FALSE;
2198 if (*patternp == '*') {
2199 if (*bufp == *(patternp + 1)) {
2201 matchp = star_match[++star_count];
2205 } else if (*bufp == '\n' || *bufp == '\r') {
2207 if (*patternp == NULLCHAR)
2212 *matchp++ = *bufp++;
2216 if (*patternp != *bufp) return FALSE;
2223 SendToPlayer (char *data, int length)
2225 int error, outCount;
2226 outCount = OutputToProcess(NoProc, data, length, &error);
2227 if (outCount < length) {
2228 DisplayFatalError(_("Error writing to display"), error, 1);
2233 PackHolding (char packed[], char *holding)
2243 switch (runlength) {
2254 sprintf(q, "%d", runlength);
2266 /* Telnet protocol requests from the front end */
2268 TelnetRequest (unsigned char ddww, unsigned char option)
2270 unsigned char msg[3];
2271 int outCount, outError;
2273 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2275 if (appData.debugMode) {
2276 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2292 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2301 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2304 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2309 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2311 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2318 if (!appData.icsActive) return;
2319 TelnetRequest(TN_DO, TN_ECHO);
2325 if (!appData.icsActive) return;
2326 TelnetRequest(TN_DONT, TN_ECHO);
2330 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2332 /* put the holdings sent to us by the server on the board holdings area */
2333 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2337 if(gameInfo.holdingsWidth < 2) return;
2338 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2339 return; // prevent overwriting by pre-board holdings
2341 if( (int)lowestPiece >= BlackPawn ) {
2344 holdingsStartRow = BOARD_HEIGHT-1;
2347 holdingsColumn = BOARD_WIDTH-1;
2348 countsColumn = BOARD_WIDTH-2;
2349 holdingsStartRow = 0;
2353 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2354 board[i][holdingsColumn] = EmptySquare;
2355 board[i][countsColumn] = (ChessSquare) 0;
2357 while( (p=*holdings++) != NULLCHAR ) {
2358 piece = CharToPiece( ToUpper(p) );
2359 if(piece == EmptySquare) continue;
2360 /*j = (int) piece - (int) WhitePawn;*/
2361 j = PieceToNumber(piece);
2362 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2363 if(j < 0) continue; /* should not happen */
2364 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2365 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2366 board[holdingsStartRow+j*direction][countsColumn]++;
2372 VariantSwitch (Board board, VariantClass newVariant)
2374 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2375 static Board oldBoard;
2377 startedFromPositionFile = FALSE;
2378 if(gameInfo.variant == newVariant) return;
2380 /* [HGM] This routine is called each time an assignment is made to
2381 * gameInfo.variant during a game, to make sure the board sizes
2382 * are set to match the new variant. If that means adding or deleting
2383 * holdings, we shift the playing board accordingly
2384 * This kludge is needed because in ICS observe mode, we get boards
2385 * of an ongoing game without knowing the variant, and learn about the
2386 * latter only later. This can be because of the move list we requested,
2387 * in which case the game history is refilled from the beginning anyway,
2388 * but also when receiving holdings of a crazyhouse game. In the latter
2389 * case we want to add those holdings to the already received position.
2393 if (appData.debugMode) {
2394 fprintf(debugFP, "Switch board from %s to %s\n",
2395 VariantName(gameInfo.variant), VariantName(newVariant));
2396 setbuf(debugFP, NULL);
2398 shuffleOpenings = 0; /* [HGM] shuffle */
2399 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2403 newWidth = 9; newHeight = 9;
2404 gameInfo.holdingsSize = 7;
2405 case VariantBughouse:
2406 case VariantCrazyhouse:
2407 newHoldingsWidth = 2; break;
2411 newHoldingsWidth = 2;
2412 gameInfo.holdingsSize = 8;
2415 case VariantCapablanca:
2416 case VariantCapaRandom:
2419 newHoldingsWidth = gameInfo.holdingsSize = 0;
2422 if(newWidth != gameInfo.boardWidth ||
2423 newHeight != gameInfo.boardHeight ||
2424 newHoldingsWidth != gameInfo.holdingsWidth ) {
2426 /* shift position to new playing area, if needed */
2427 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2428 for(i=0; i<BOARD_HEIGHT; i++)
2429 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2430 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2432 for(i=0; i<newHeight; i++) {
2433 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2434 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2436 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2437 for(i=0; i<BOARD_HEIGHT; i++)
2438 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2439 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2442 gameInfo.boardWidth = newWidth;
2443 gameInfo.boardHeight = newHeight;
2444 gameInfo.holdingsWidth = newHoldingsWidth;
2445 gameInfo.variant = newVariant;
2446 InitDrawingSizes(-2, 0);
2447 } else gameInfo.variant = newVariant;
2448 CopyBoard(oldBoard, board); // remember correctly formatted board
2449 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2450 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2453 static int loggedOn = FALSE;
2455 /*-- Game start info cache: --*/
2457 char gs_kind[MSG_SIZ];
2458 static char player1Name[128] = "";
2459 static char player2Name[128] = "";
2460 static char cont_seq[] = "\n\\ ";
2461 static int player1Rating = -1;
2462 static int player2Rating = -1;
2463 /*----------------------------*/
2465 ColorClass curColor = ColorNormal;
2466 int suppressKibitz = 0;
2469 Boolean soughtPending = FALSE;
2470 Boolean seekGraphUp;
2471 #define MAX_SEEK_ADS 200
2473 char *seekAdList[MAX_SEEK_ADS];
2474 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2475 float tcList[MAX_SEEK_ADS];
2476 char colorList[MAX_SEEK_ADS];
2477 int nrOfSeekAds = 0;
2478 int minRating = 1010, maxRating = 2800;
2479 int hMargin = 10, vMargin = 20, h, w;
2480 extern int squareSize, lineGap;
2485 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2486 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2487 if(r < minRating+100 && r >=0 ) r = minRating+100;
2488 if(r > maxRating) r = maxRating;
2489 if(tc < 1.) tc = 1.;
2490 if(tc > 95.) tc = 95.;
2491 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2492 y = ((double)r - minRating)/(maxRating - minRating)
2493 * (h-vMargin-squareSize/8-1) + vMargin;
2494 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2495 if(strstr(seekAdList[i], " u ")) color = 1;
2496 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2497 !strstr(seekAdList[i], "bullet") &&
2498 !strstr(seekAdList[i], "blitz") &&
2499 !strstr(seekAdList[i], "standard") ) color = 2;
2500 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2501 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2505 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2507 char buf[MSG_SIZ], *ext = "";
2508 VariantClass v = StringToVariant(type);
2509 if(strstr(type, "wild")) {
2510 ext = type + 4; // append wild number
2511 if(v == VariantFischeRandom) type = "chess960"; else
2512 if(v == VariantLoadable) type = "setup"; else
2513 type = VariantName(v);
2515 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2516 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2517 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2518 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2519 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2520 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2521 seekNrList[nrOfSeekAds] = nr;
2522 zList[nrOfSeekAds] = 0;
2523 seekAdList[nrOfSeekAds++] = StrSave(buf);
2524 if(plot) PlotSeekAd(nrOfSeekAds-1);
2529 EraseSeekDot (int i)
2531 int x = xList[i], y = yList[i], d=squareSize/4, k;
2532 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2533 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2534 // now replot every dot that overlapped
2535 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2536 int xx = xList[k], yy = yList[k];
2537 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2538 DrawSeekDot(xx, yy, colorList[k]);
2543 RemoveSeekAd (int nr)
2546 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2548 if(seekAdList[i]) free(seekAdList[i]);
2549 seekAdList[i] = seekAdList[--nrOfSeekAds];
2550 seekNrList[i] = seekNrList[nrOfSeekAds];
2551 ratingList[i] = ratingList[nrOfSeekAds];
2552 colorList[i] = colorList[nrOfSeekAds];
2553 tcList[i] = tcList[nrOfSeekAds];
2554 xList[i] = xList[nrOfSeekAds];
2555 yList[i] = yList[nrOfSeekAds];
2556 zList[i] = zList[nrOfSeekAds];
2557 seekAdList[nrOfSeekAds] = NULL;
2563 MatchSoughtLine (char *line)
2565 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2566 int nr, base, inc, u=0; char dummy;
2568 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2569 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2571 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2572 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2573 // match: compact and save the line
2574 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2584 if(!seekGraphUp) return FALSE;
2585 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2586 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2588 DrawSeekBackground(0, 0, w, h);
2589 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2590 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2591 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2592 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2594 DrawSeekAxis(hMargin+5*(i%500==0), yy, hMargin-5, yy); // rating ticks
2597 snprintf(buf, MSG_SIZ, "%d", i);
2598 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2601 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2602 for(i=1; i<100; i+=(i<10?1:5)) {
2603 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2604 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2605 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2607 snprintf(buf, MSG_SIZ, "%d", i);
2608 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2611 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2616 SeekGraphClick (ClickType click, int x, int y, int moving)
2618 static int lastDown = 0, displayed = 0, lastSecond;
2619 if(y < 0) return FALSE;
2620 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2621 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2622 if(!seekGraphUp) return FALSE;
2623 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2624 DrawPosition(TRUE, NULL);
2627 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2628 if(click == Release || moving) return FALSE;
2630 soughtPending = TRUE;
2631 SendToICS(ics_prefix);
2632 SendToICS("sought\n"); // should this be "sought all"?
2633 } else { // issue challenge based on clicked ad
2634 int dist = 10000; int i, closest = 0, second = 0;
2635 for(i=0; i<nrOfSeekAds; i++) {
2636 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2637 if(d < dist) { dist = d; closest = i; }
2638 second += (d - zList[i] < 120); // count in-range ads
2639 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2643 second = (second > 1);
2644 if(displayed != closest || second != lastSecond) {
2645 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2646 lastSecond = second; displayed = closest;
2648 if(click == Press) {
2649 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2652 } // on press 'hit', only show info
2653 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2654 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2655 SendToICS(ics_prefix);
2657 return TRUE; // let incoming board of started game pop down the graph
2658 } else if(click == Release) { // release 'miss' is ignored
2659 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2660 if(moving == 2) { // right up-click
2661 nrOfSeekAds = 0; // refresh graph
2662 soughtPending = TRUE;
2663 SendToICS(ics_prefix);
2664 SendToICS("sought\n"); // should this be "sought all"?
2667 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2668 // press miss or release hit 'pop down' seek graph
2669 seekGraphUp = FALSE;
2670 DrawPosition(TRUE, NULL);
2676 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2678 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2679 #define STARTED_NONE 0
2680 #define STARTED_MOVES 1
2681 #define STARTED_BOARD 2
2682 #define STARTED_OBSERVE 3
2683 #define STARTED_HOLDINGS 4
2684 #define STARTED_CHATTER 5
2685 #define STARTED_COMMENT 6
2686 #define STARTED_MOVES_NOHIDE 7
2688 static int started = STARTED_NONE;
2689 static char parse[20000];
2690 static int parse_pos = 0;
2691 static char buf[BUF_SIZE + 1];
2692 static int firstTime = TRUE, intfSet = FALSE;
2693 static ColorClass prevColor = ColorNormal;
2694 static int savingComment = FALSE;
2695 static int cmatch = 0; // continuation sequence match
2702 int backup; /* [DM] For zippy color lines */
2704 char talker[MSG_SIZ]; // [HGM] chat
2707 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2709 if (appData.debugMode) {
2711 fprintf(debugFP, "<ICS: ");
2712 show_bytes(debugFP, data, count);
2713 fprintf(debugFP, "\n");
2717 if (appData.debugMode) { int f = forwardMostMove;
2718 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2719 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2720 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2723 /* If last read ended with a partial line that we couldn't parse,
2724 prepend it to the new read and try again. */
2725 if (leftover_len > 0) {
2726 for (i=0; i<leftover_len; i++)
2727 buf[i] = buf[leftover_start + i];
2730 /* copy new characters into the buffer */
2731 bp = buf + leftover_len;
2732 buf_len=leftover_len;
2733 for (i=0; i<count; i++)
2736 if (data[i] == '\r')
2739 // join lines split by ICS?
2740 if (!appData.noJoin)
2743 Joining just consists of finding matches against the
2744 continuation sequence, and discarding that sequence
2745 if found instead of copying it. So, until a match
2746 fails, there's nothing to do since it might be the
2747 complete sequence, and thus, something we don't want
2750 if (data[i] == cont_seq[cmatch])
2753 if (cmatch == strlen(cont_seq))
2755 cmatch = 0; // complete match. just reset the counter
2758 it's possible for the ICS to not include the space
2759 at the end of the last word, making our [correct]
2760 join operation fuse two separate words. the server
2761 does this when the space occurs at the width setting.
2763 if (!buf_len || buf[buf_len-1] != ' ')
2774 match failed, so we have to copy what matched before
2775 falling through and copying this character. In reality,
2776 this will only ever be just the newline character, but
2777 it doesn't hurt to be precise.
2779 strncpy(bp, cont_seq, cmatch);
2791 buf[buf_len] = NULLCHAR;
2792 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2797 while (i < buf_len) {
2798 /* Deal with part of the TELNET option negotiation
2799 protocol. We refuse to do anything beyond the
2800 defaults, except that we allow the WILL ECHO option,
2801 which ICS uses to turn off password echoing when we are
2802 directly connected to it. We reject this option
2803 if localLineEditing mode is on (always on in xboard)
2804 and we are talking to port 23, which might be a real
2805 telnet server that will try to keep WILL ECHO on permanently.
2807 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2808 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2809 unsigned char option;
2811 switch ((unsigned char) buf[++i]) {
2813 if (appData.debugMode)
2814 fprintf(debugFP, "\n<WILL ");
2815 switch (option = (unsigned char) buf[++i]) {
2817 if (appData.debugMode)
2818 fprintf(debugFP, "ECHO ");
2819 /* Reply only if this is a change, according
2820 to the protocol rules. */
2821 if (remoteEchoOption) break;
2822 if (appData.localLineEditing &&
2823 atoi(appData.icsPort) == TN_PORT) {
2824 TelnetRequest(TN_DONT, TN_ECHO);
2827 TelnetRequest(TN_DO, TN_ECHO);
2828 remoteEchoOption = TRUE;
2832 if (appData.debugMode)
2833 fprintf(debugFP, "%d ", option);
2834 /* Whatever this is, we don't want it. */
2835 TelnetRequest(TN_DONT, option);
2840 if (appData.debugMode)
2841 fprintf(debugFP, "\n<WONT ");
2842 switch (option = (unsigned char) buf[++i]) {
2844 if (appData.debugMode)
2845 fprintf(debugFP, "ECHO ");
2846 /* Reply only if this is a change, according
2847 to the protocol rules. */
2848 if (!remoteEchoOption) break;
2850 TelnetRequest(TN_DONT, TN_ECHO);
2851 remoteEchoOption = FALSE;
2854 if (appData.debugMode)
2855 fprintf(debugFP, "%d ", (unsigned char) option);
2856 /* Whatever this is, it must already be turned
2857 off, because we never agree to turn on
2858 anything non-default, so according to the
2859 protocol rules, we don't reply. */
2864 if (appData.debugMode)
2865 fprintf(debugFP, "\n<DO ");
2866 switch (option = (unsigned char) buf[++i]) {
2868 /* Whatever this is, we refuse to do it. */
2869 if (appData.debugMode)
2870 fprintf(debugFP, "%d ", option);
2871 TelnetRequest(TN_WONT, option);
2876 if (appData.debugMode)
2877 fprintf(debugFP, "\n<DONT ");
2878 switch (option = (unsigned char) buf[++i]) {
2880 if (appData.debugMode)
2881 fprintf(debugFP, "%d ", option);
2882 /* Whatever this is, we are already not doing
2883 it, because we never agree to do anything
2884 non-default, so according to the protocol
2885 rules, we don't reply. */
2890 if (appData.debugMode)
2891 fprintf(debugFP, "\n<IAC ");
2892 /* Doubled IAC; pass it through */
2896 if (appData.debugMode)
2897 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
2898 /* Drop all other telnet commands on the floor */
2901 if (oldi > next_out)
2902 SendToPlayer(&buf[next_out], oldi - next_out);
2908 /* OK, this at least will *usually* work */
2909 if (!loggedOn && looking_at(buf, &i, "ics%")) {
2913 if (loggedOn && !intfSet) {
2914 if (ics_type == ICS_ICC) {
2915 snprintf(str, MSG_SIZ,
2916 "/set-quietly interface %s\n/set-quietly style 12\n",
2918 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2919 strcat(str, "/set-2 51 1\n/set seek 1\n");
2920 } else if (ics_type == ICS_CHESSNET) {
2921 snprintf(str, MSG_SIZ, "/style 12\n");
2923 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
2924 strcat(str, programVersion);
2925 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
2926 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
2927 strcat(str, "$iset seekremove 1\n$set seek 1\n");
2929 strcat(str, "$iset nohighlight 1\n");
2931 strcat(str, "$iset lock 1\n$style 12\n");
2934 NotifyFrontendLogin();
2938 if (started == STARTED_COMMENT) {
2939 /* Accumulate characters in comment */
2940 parse[parse_pos++] = buf[i];
2941 if (buf[i] == '\n') {
2942 parse[parse_pos] = NULLCHAR;
2943 if(chattingPartner>=0) {
2945 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
2946 OutputChatMessage(chattingPartner, mess);
2947 chattingPartner = -1;
2948 next_out = i+1; // [HGM] suppress printing in ICS window
2950 if(!suppressKibitz) // [HGM] kibitz
2951 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
2952 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
2953 int nrDigit = 0, nrAlph = 0, j;
2954 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
2955 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
2956 parse[parse_pos] = NULLCHAR;
2957 // try to be smart: if it does not look like search info, it should go to
2958 // ICS interaction window after all, not to engine-output window.
2959 for(j=0; j<parse_pos; j++) { // count letters and digits
2960 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
2961 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
2962 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
2964 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
2965 int depth=0; float score;
2966 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
2967 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
2968 pvInfoList[forwardMostMove-1].depth = depth;
2969 pvInfoList[forwardMostMove-1].score = 100*score;
2971 OutputKibitz(suppressKibitz, parse);
2974 if(gameMode == IcsObserving) // restore original ICS messages
2975 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
2977 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
2978 SendToPlayer(tmp, strlen(tmp));
2980 next_out = i+1; // [HGM] suppress printing in ICS window
2982 started = STARTED_NONE;
2984 /* Don't match patterns against characters in comment */
2989 if (started == STARTED_CHATTER) {
2990 if (buf[i] != '\n') {
2991 /* Don't match patterns against characters in chatter */
2995 started = STARTED_NONE;
2996 if(suppressKibitz) next_out = i+1;
2999 /* Kludge to deal with rcmd protocol */
3000 if (firstTime && looking_at(buf, &i, "\001*")) {
3001 DisplayFatalError(&buf[1], 0, 1);
3007 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3010 if (appData.debugMode)
3011 fprintf(debugFP, "ics_type %d\n", ics_type);
3014 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3015 ics_type = ICS_FICS;
3017 if (appData.debugMode)
3018 fprintf(debugFP, "ics_type %d\n", ics_type);
3021 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3022 ics_type = ICS_CHESSNET;
3024 if (appData.debugMode)
3025 fprintf(debugFP, "ics_type %d\n", ics_type);
3030 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3031 looking_at(buf, &i, "Logging you in as \"*\"") ||
3032 looking_at(buf, &i, "will be \"*\""))) {
3033 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3037 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3039 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3040 DisplayIcsInteractionTitle(buf);
3041 have_set_title = TRUE;
3044 /* skip finger notes */
3045 if (started == STARTED_NONE &&
3046 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3047 (buf[i] == '1' && buf[i+1] == '0')) &&
3048 buf[i+2] == ':' && buf[i+3] == ' ') {
3049 started = STARTED_CHATTER;
3055 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3056 if(appData.seekGraph) {
3057 if(soughtPending && MatchSoughtLine(buf+i)) {
3058 i = strstr(buf+i, "rated") - buf;
3059 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3060 next_out = leftover_start = i;
3061 started = STARTED_CHATTER;
3062 suppressKibitz = TRUE;
3065 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3066 && looking_at(buf, &i, "* ads displayed")) {
3067 soughtPending = FALSE;
3072 if(appData.autoRefresh) {
3073 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3074 int s = (ics_type == ICS_ICC); // ICC format differs
3076 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3077 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3078 looking_at(buf, &i, "*% "); // eat prompt
3079 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3080 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3081 next_out = i; // suppress
3084 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3085 char *p = star_match[0];
3087 if(seekGraphUp) RemoveSeekAd(atoi(p));
3088 while(*p && *p++ != ' '); // next
3090 looking_at(buf, &i, "*% "); // eat prompt
3091 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3098 /* skip formula vars */
3099 if (started == STARTED_NONE &&
3100 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3101 started = STARTED_CHATTER;
3106 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3107 if (appData.autoKibitz && started == STARTED_NONE &&
3108 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3109 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3110 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3111 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3112 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3113 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3114 suppressKibitz = TRUE;
3115 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3117 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3118 && (gameMode == IcsPlayingWhite)) ||
3119 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3120 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3121 started = STARTED_CHATTER; // own kibitz we simply discard
3123 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3124 parse_pos = 0; parse[0] = NULLCHAR;
3125 savingComment = TRUE;
3126 suppressKibitz = gameMode != IcsObserving ? 2 :
3127 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3131 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3132 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3133 && atoi(star_match[0])) {
3134 // suppress the acknowledgements of our own autoKibitz
3136 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3137 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3138 SendToPlayer(star_match[0], strlen(star_match[0]));
3139 if(looking_at(buf, &i, "*% ")) // eat prompt
3140 suppressKibitz = FALSE;
3144 } // [HGM] kibitz: end of patch
3146 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3148 // [HGM] chat: intercept tells by users for which we have an open chat window
3150 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3151 looking_at(buf, &i, "* whispers:") ||
3152 looking_at(buf, &i, "* kibitzes:") ||
3153 looking_at(buf, &i, "* shouts:") ||
3154 looking_at(buf, &i, "* c-shouts:") ||
3155 looking_at(buf, &i, "--> * ") ||
3156 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3157 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3158 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3159 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3161 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3162 chattingPartner = -1;
3164 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3165 for(p=0; p<MAX_CHAT; p++) {
3166 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3167 talker[0] = '['; strcat(talker, "] ");
3168 Colorize(channel == 1 ? ColorChannel1 : ColorChannel, FALSE);
3169 chattingPartner = p; break;
3172 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3173 for(p=0; p<MAX_CHAT; p++) {
3174 if(!strcmp("kibitzes", chatPartner[p])) {
3175 talker[0] = '['; strcat(talker, "] ");
3176 chattingPartner = p; break;
3179 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3180 for(p=0; p<MAX_CHAT; p++) {
3181 if(!strcmp("whispers", chatPartner[p])) {
3182 talker[0] = '['; strcat(talker, "] ");
3183 chattingPartner = p; break;
3186 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3187 if(buf[i-8] == '-' && buf[i-3] == 't')
3188 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3189 if(!strcmp("c-shouts", chatPartner[p])) {
3190 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3191 chattingPartner = p; break;
3194 if(chattingPartner < 0)
3195 for(p=0; p<MAX_CHAT; p++) {
3196 if(!strcmp("shouts", chatPartner[p])) {
3197 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3198 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3199 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3200 chattingPartner = p; break;
3204 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3205 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3206 talker[0] = 0; Colorize(ColorTell, FALSE);
3207 chattingPartner = p; break;
3209 if(chattingPartner<0) i = oldi; else {
3210 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3211 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3212 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3213 started = STARTED_COMMENT;
3214 parse_pos = 0; parse[0] = NULLCHAR;
3215 savingComment = 3 + chattingPartner; // counts as TRUE
3216 suppressKibitz = TRUE;
3219 } // [HGM] chat: end of patch
3222 if (appData.zippyTalk || appData.zippyPlay) {
3223 /* [DM] Backup address for color zippy lines */
3225 if (loggedOn == TRUE)
3226 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3227 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3229 } // [DM] 'else { ' deleted
3231 /* Regular tells and says */
3232 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3233 looking_at(buf, &i, "* (your partner) tells you: ") ||
3234 looking_at(buf, &i, "* says: ") ||
3235 /* Don't color "message" or "messages" output */
3236 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3237 looking_at(buf, &i, "*. * at *:*: ") ||
3238 looking_at(buf, &i, "--* (*:*): ") ||
3239 /* Message notifications (same color as tells) */
3240 looking_at(buf, &i, "* has left a message ") ||
3241 looking_at(buf, &i, "* just sent you a message:\n") ||
3242 /* Whispers and kibitzes */
3243 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3244 looking_at(buf, &i, "* kibitzes: ") ||
3246 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3248 if (tkind == 1 && strchr(star_match[0], ':')) {
3249 /* Avoid "tells you:" spoofs in channels */
3252 if (star_match[0][0] == NULLCHAR ||
3253 strchr(star_match[0], ' ') ||
3254 (tkind == 3 && strchr(star_match[1], ' '))) {
3255 /* Reject bogus matches */
3258 if (appData.colorize) {
3259 if (oldi > next_out) {
3260 SendToPlayer(&buf[next_out], oldi - next_out);
3265 Colorize(ColorTell, FALSE);
3266 curColor = ColorTell;
3269 Colorize(ColorKibitz, FALSE);
3270 curColor = ColorKibitz;
3273 p = strrchr(star_match[1], '(');
3280 Colorize(ColorChannel1, FALSE);
3281 curColor = ColorChannel1;
3283 Colorize(ColorChannel, FALSE);
3284 curColor = ColorChannel;
3288 curColor = ColorNormal;
3292 if (started == STARTED_NONE && appData.autoComment &&
3293 (gameMode == IcsObserving ||
3294 gameMode == IcsPlayingWhite ||
3295 gameMode == IcsPlayingBlack)) {
3296 parse_pos = i - oldi;
3297 memcpy(parse, &buf[oldi], parse_pos);
3298 parse[parse_pos] = NULLCHAR;
3299 started = STARTED_COMMENT;
3300 savingComment = TRUE;
3302 started = STARTED_CHATTER;
3303 savingComment = FALSE;
3310 if (looking_at(buf, &i, "* s-shouts: ") ||
3311 looking_at(buf, &i, "* c-shouts: ")) {
3312 if (appData.colorize) {
3313 if (oldi > next_out) {
3314 SendToPlayer(&buf[next_out], oldi - next_out);
3317 Colorize(ColorSShout, FALSE);
3318 curColor = ColorSShout;
3321 started = STARTED_CHATTER;
3325 if (looking_at(buf, &i, "--->")) {
3330 if (looking_at(buf, &i, "* shouts: ") ||
3331 looking_at(buf, &i, "--> ")) {
3332 if (appData.colorize) {
3333 if (oldi > next_out) {
3334 SendToPlayer(&buf[next_out], oldi - next_out);
3337 Colorize(ColorShout, FALSE);
3338 curColor = ColorShout;
3341 started = STARTED_CHATTER;
3345 if (looking_at( buf, &i, "Challenge:")) {
3346 if (appData.colorize) {
3347 if (oldi > next_out) {
3348 SendToPlayer(&buf[next_out], oldi - next_out);
3351 Colorize(ColorChallenge, FALSE);
3352 curColor = ColorChallenge;
3358 if (looking_at(buf, &i, "* offers you") ||
3359 looking_at(buf, &i, "* offers to be") ||
3360 looking_at(buf, &i, "* would like to") ||
3361 looking_at(buf, &i, "* requests to") ||
3362 looking_at(buf, &i, "Your opponent offers") ||
3363 looking_at(buf, &i, "Your opponent requests")) {
3365 if (appData.colorize) {
3366 if (oldi > next_out) {
3367 SendToPlayer(&buf[next_out], oldi - next_out);
3370 Colorize(ColorRequest, FALSE);
3371 curColor = ColorRequest;
3376 if (looking_at(buf, &i, "* (*) seeking")) {
3377 if (appData.colorize) {
3378 if (oldi > next_out) {
3379 SendToPlayer(&buf[next_out], oldi - next_out);
3382 Colorize(ColorSeek, FALSE);
3383 curColor = ColorSeek;
3388 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3390 if (looking_at(buf, &i, "\\ ")) {
3391 if (prevColor != ColorNormal) {
3392 if (oldi > next_out) {
3393 SendToPlayer(&buf[next_out], oldi - next_out);
3396 Colorize(prevColor, TRUE);
3397 curColor = prevColor;
3399 if (savingComment) {
3400 parse_pos = i - oldi;
3401 memcpy(parse, &buf[oldi], parse_pos);
3402 parse[parse_pos] = NULLCHAR;
3403 started = STARTED_COMMENT;
3404 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3405 chattingPartner = savingComment - 3; // kludge to remember the box
3407 started = STARTED_CHATTER;
3412 if (looking_at(buf, &i, "Black Strength :") ||
3413 looking_at(buf, &i, "<<< style 10 board >>>") ||
3414 looking_at(buf, &i, "<10>") ||
3415 looking_at(buf, &i, "#@#")) {
3416 /* Wrong board style */
3418 SendToICS(ics_prefix);
3419 SendToICS("set style 12\n");
3420 SendToICS(ics_prefix);
3421 SendToICS("refresh\n");
3425 if (!have_sent_ICS_logon && looking_at(buf, &i, "login:")) {
3427 have_sent_ICS_logon = 1;
3431 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3432 (looking_at(buf, &i, "\n<12> ") ||
3433 looking_at(buf, &i, "<12> "))) {
3435 if (oldi > next_out) {
3436 SendToPlayer(&buf[next_out], oldi - next_out);
3439 started = STARTED_BOARD;
3444 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3445 looking_at(buf, &i, "<b1> ")) {
3446 if (oldi > next_out) {
3447 SendToPlayer(&buf[next_out], oldi - next_out);
3450 started = STARTED_HOLDINGS;
3455 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3457 /* Header for a move list -- first line */
3459 switch (ics_getting_history) {
3463 case BeginningOfGame:
3464 /* User typed "moves" or "oldmoves" while we
3465 were idle. Pretend we asked for these
3466 moves and soak them up so user can step
3467 through them and/or save them.
3470 gameMode = IcsObserving;
3473 ics_getting_history = H_GOT_UNREQ_HEADER;
3475 case EditGame: /*?*/
3476 case EditPosition: /*?*/
3477 /* Should above feature work in these modes too? */
3478 /* For now it doesn't */
3479 ics_getting_history = H_GOT_UNWANTED_HEADER;
3482 ics_getting_history = H_GOT_UNWANTED_HEADER;
3487 /* Is this the right one? */
3488 if (gameInfo.white && gameInfo.black &&
3489 strcmp(gameInfo.white, star_match[0]) == 0 &&
3490 strcmp(gameInfo.black, star_match[2]) == 0) {
3492 ics_getting_history = H_GOT_REQ_HEADER;
3495 case H_GOT_REQ_HEADER:
3496 case H_GOT_UNREQ_HEADER:
3497 case H_GOT_UNWANTED_HEADER:
3498 case H_GETTING_MOVES:
3499 /* Should not happen */
3500 DisplayError(_("Error gathering move list: two headers"), 0);
3501 ics_getting_history = H_FALSE;
3505 /* Save player ratings into gameInfo if needed */
3506 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3507 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3508 (gameInfo.whiteRating == -1 ||
3509 gameInfo.blackRating == -1)) {
3511 gameInfo.whiteRating = string_to_rating(star_match[1]);
3512 gameInfo.blackRating = string_to_rating(star_match[3]);
3513 if (appData.debugMode)
3514 fprintf(debugFP, _("Ratings from header: W %d, B %d\n"),
3515 gameInfo.whiteRating, gameInfo.blackRating);
3520 if (looking_at(buf, &i,
3521 "* * match, initial time: * minute*, increment: * second")) {
3522 /* Header for a move list -- second line */
3523 /* Initial board will follow if this is a wild game */
3524 if (gameInfo.event != NULL) free(gameInfo.event);
3525 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3526 gameInfo.event = StrSave(str);
3527 /* [HGM] we switched variant. Translate boards if needed. */
3528 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3532 if (looking_at(buf, &i, "Move ")) {
3533 /* Beginning of a move list */
3534 switch (ics_getting_history) {
3536 /* Normally should not happen */
3537 /* Maybe user hit reset while we were parsing */
3540 /* Happens if we are ignoring a move list that is not
3541 * the one we just requested. Common if the user
3542 * tries to observe two games without turning off
3545 case H_GETTING_MOVES:
3546 /* Should not happen */
3547 DisplayError(_("Error gathering move list: nested"), 0);
3548 ics_getting_history = H_FALSE;
3550 case H_GOT_REQ_HEADER:
3551 ics_getting_history = H_GETTING_MOVES;
3552 started = STARTED_MOVES;
3554 if (oldi > next_out) {
3555 SendToPlayer(&buf[next_out], oldi - next_out);
3558 case H_GOT_UNREQ_HEADER:
3559 ics_getting_history = H_GETTING_MOVES;
3560 started = STARTED_MOVES_NOHIDE;
3563 case H_GOT_UNWANTED_HEADER:
3564 ics_getting_history = H_FALSE;
3570 if (looking_at(buf, &i, "% ") ||
3571 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3572 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3573 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3574 soughtPending = FALSE;
3578 if(suppressKibitz) next_out = i;
3579 savingComment = FALSE;
3583 case STARTED_MOVES_NOHIDE:
3584 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3585 parse[parse_pos + i - oldi] = NULLCHAR;
3586 ParseGameHistory(parse);
3588 if (appData.zippyPlay && first.initDone) {
3589 FeedMovesToProgram(&first, forwardMostMove);
3590 if (gameMode == IcsPlayingWhite) {
3591 if (WhiteOnMove(forwardMostMove)) {
3592 if (first.sendTime) {
3593 if (first.useColors) {
3594 SendToProgram("black\n", &first);
3596 SendTimeRemaining(&first, TRUE);
3598 if (first.useColors) {
3599 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3601 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3602 first.maybeThinking = TRUE;
3604 if (first.usePlayother) {
3605 if (first.sendTime) {
3606 SendTimeRemaining(&first, TRUE);
3608 SendToProgram("playother\n", &first);
3614 } else if (gameMode == IcsPlayingBlack) {
3615 if (!WhiteOnMove(forwardMostMove)) {
3616 if (first.sendTime) {
3617 if (first.useColors) {
3618 SendToProgram("white\n", &first);
3620 SendTimeRemaining(&first, FALSE);
3622 if (first.useColors) {
3623 SendToProgram("black\n", &first);
3625 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3626 first.maybeThinking = TRUE;
3628 if (first.usePlayother) {
3629 if (first.sendTime) {
3630 SendTimeRemaining(&first, FALSE);
3632 SendToProgram("playother\n", &first);
3641 if (gameMode == IcsObserving && ics_gamenum == -1) {
3642 /* Moves came from oldmoves or moves command
3643 while we weren't doing anything else.
3645 currentMove = forwardMostMove;
3646 ClearHighlights();/*!!could figure this out*/
3647 flipView = appData.flipView;
3648 DrawPosition(TRUE, boards[currentMove]);
3649 DisplayBothClocks();
3650 snprintf(str, MSG_SIZ, "%s %s %s",
3651 gameInfo.white, _("vs."), gameInfo.black);
3655 /* Moves were history of an active game */
3656 if (gameInfo.resultDetails != NULL) {
3657 free(gameInfo.resultDetails);
3658 gameInfo.resultDetails = NULL;
3661 HistorySet(parseList, backwardMostMove,
3662 forwardMostMove, currentMove-1);
3663 DisplayMove(currentMove - 1);
3664 if (started == STARTED_MOVES) next_out = i;
3665 started = STARTED_NONE;
3666 ics_getting_history = H_FALSE;
3669 case STARTED_OBSERVE:
3670 started = STARTED_NONE;
3671 SendToICS(ics_prefix);
3672 SendToICS("refresh\n");
3678 if(bookHit) { // [HGM] book: simulate book reply
3679 static char bookMove[MSG_SIZ]; // a bit generous?
3681 programStats.nodes = programStats.depth = programStats.time =
3682 programStats.score = programStats.got_only_move = 0;
3683 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3685 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3686 strcat(bookMove, bookHit);
3687 HandleMachineMove(bookMove, &first);
3692 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3693 started == STARTED_HOLDINGS ||
3694 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3695 /* Accumulate characters in move list or board */
3696 parse[parse_pos++] = buf[i];
3699 /* Start of game messages. Mostly we detect start of game
3700 when the first board image arrives. On some versions
3701 of the ICS, though, we need to do a "refresh" after starting
3702 to observe in order to get the current board right away. */
3703 if (looking_at(buf, &i, "Adding game * to observation list")) {
3704 started = STARTED_OBSERVE;
3708 /* Handle auto-observe */
3709 if (appData.autoObserve &&
3710 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3711 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3713 /* Choose the player that was highlighted, if any. */
3714 if (star_match[0][0] == '\033' ||
3715 star_match[1][0] != '\033') {
3716 player = star_match[0];
3718 player = star_match[2];
3720 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3721 ics_prefix, StripHighlightAndTitle(player));
3724 /* Save ratings from notify string */
3725 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3726 player1Rating = string_to_rating(star_match[1]);
3727 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3728 player2Rating = string_to_rating(star_match[3]);
3730 if (appData.debugMode)
3732 "Ratings from 'Game notification:' %s %d, %s %d\n",
3733 player1Name, player1Rating,
3734 player2Name, player2Rating);
3739 /* Deal with automatic examine mode after a game,
3740 and with IcsObserving -> IcsExamining transition */
3741 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3742 looking_at(buf, &i, "has made you an examiner of game *")) {
3744 int gamenum = atoi(star_match[0]);
3745 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3746 gamenum == ics_gamenum) {
3747 /* We were already playing or observing this game;
3748 no need to refetch history */
3749 gameMode = IcsExamining;
3751 pauseExamForwardMostMove = forwardMostMove;
3752 } else if (currentMove < forwardMostMove) {
3753 ForwardInner(forwardMostMove);
3756 /* I don't think this case really can happen */
3757 SendToICS(ics_prefix);
3758 SendToICS("refresh\n");
3763 /* Error messages */
3764 // if (ics_user_moved) {
3765 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3766 if (looking_at(buf, &i, "Illegal move") ||
3767 looking_at(buf, &i, "Not a legal move") ||
3768 looking_at(buf, &i, "Your king is in check") ||
3769 looking_at(buf, &i, "It isn't your turn") ||
3770 looking_at(buf, &i, "It is not your move")) {
3772 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3773 currentMove = forwardMostMove-1;
3774 DisplayMove(currentMove - 1); /* before DMError */
3775 DrawPosition(FALSE, boards[currentMove]);
3776 SwitchClocks(forwardMostMove-1); // [HGM] race
3777 DisplayBothClocks();
3779 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3785 if (looking_at(buf, &i, "still have time") ||
3786 looking_at(buf, &i, "not out of time") ||
3787 looking_at(buf, &i, "either player is out of time") ||
3788 looking_at(buf, &i, "has timeseal; checking")) {
3789 /* We must have called his flag a little too soon */
3790 whiteFlag = blackFlag = FALSE;
3794 if (looking_at(buf, &i, "added * seconds to") ||
3795 looking_at(buf, &i, "seconds were added to")) {
3796 /* Update the clocks */
3797 SendToICS(ics_prefix);
3798 SendToICS("refresh\n");
3802 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3803 ics_clock_paused = TRUE;
3808 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3809 ics_clock_paused = FALSE;
3814 /* Grab player ratings from the Creating: message.
3815 Note we have to check for the special case when
3816 the ICS inserts things like [white] or [black]. */
3817 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3818 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3820 0 player 1 name (not necessarily white)
3822 2 empty, white, or black (IGNORED)
3823 3 player 2 name (not necessarily black)
3826 The names/ratings are sorted out when the game
3827 actually starts (below).
3829 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3830 player1Rating = string_to_rating(star_match[1]);
3831 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3832 player2Rating = string_to_rating(star_match[4]);
3834 if (appData.debugMode)
3836 "Ratings from 'Creating:' %s %d, %s %d\n",
3837 player1Name, player1Rating,
3838 player2Name, player2Rating);
3843 /* Improved generic start/end-of-game messages */
3844 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
3845 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
3846 /* If tkind == 0: */
3847 /* star_match[0] is the game number */
3848 /* [1] is the white player's name */
3849 /* [2] is the black player's name */
3850 /* For end-of-game: */
3851 /* [3] is the reason for the game end */
3852 /* [4] is a PGN end game-token, preceded by " " */
3853 /* For start-of-game: */
3854 /* [3] begins with "Creating" or "Continuing" */
3855 /* [4] is " *" or empty (don't care). */
3856 int gamenum = atoi(star_match[0]);
3857 char *whitename, *blackname, *why, *endtoken;
3858 ChessMove endtype = EndOfFile;
3861 whitename = star_match[1];
3862 blackname = star_match[2];
3863 why = star_match[3];
3864 endtoken = star_match[4];
3866 whitename = star_match[1];
3867 blackname = star_match[3];
3868 why = star_match[5];
3869 endtoken = star_match[6];
3872 /* Game start messages */
3873 if (strncmp(why, "Creating ", 9) == 0 ||
3874 strncmp(why, "Continuing ", 11) == 0) {
3875 gs_gamenum = gamenum;
3876 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
3877 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
3878 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
3880 if (appData.zippyPlay) {
3881 ZippyGameStart(whitename, blackname);
3884 partnerBoardValid = FALSE; // [HGM] bughouse
3888 /* Game end messages */
3889 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
3890 ics_gamenum != gamenum) {
3893 while (endtoken[0] == ' ') endtoken++;
3894 switch (endtoken[0]) {
3897 endtype = GameUnfinished;
3900 endtype = BlackWins;
3903 if (endtoken[1] == '/')
3904 endtype = GameIsDrawn;
3906 endtype = WhiteWins;
3909 GameEnds(endtype, why, GE_ICS);
3911 if (appData.zippyPlay && first.initDone) {
3912 ZippyGameEnd(endtype, why);
3913 if (first.pr == NoProc) {
3914 /* Start the next process early so that we'll
3915 be ready for the next challenge */
3916 StartChessProgram(&first);
3918 /* Send "new" early, in case this command takes
3919 a long time to finish, so that we'll be ready
3920 for the next challenge. */
3921 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
3925 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
3929 if (looking_at(buf, &i, "Removing game * from observation") ||
3930 looking_at(buf, &i, "no longer observing game *") ||
3931 looking_at(buf, &i, "Game * (*) has no examiners")) {
3932 if (gameMode == IcsObserving &&
3933 atoi(star_match[0]) == ics_gamenum)
3935 /* icsEngineAnalyze */
3936 if (appData.icsEngineAnalyze) {
3943 ics_user_moved = FALSE;
3948 if (looking_at(buf, &i, "no longer examining game *")) {
3949 if (gameMode == IcsExamining &&
3950 atoi(star_match[0]) == ics_gamenum)
3954 ics_user_moved = FALSE;
3959 /* Advance leftover_start past any newlines we find,
3960 so only partial lines can get reparsed */
3961 if (looking_at(buf, &i, "\n")) {
3962 prevColor = curColor;
3963 if (curColor != ColorNormal) {
3964 if (oldi > next_out) {
3965 SendToPlayer(&buf[next_out], oldi - next_out);
3968 Colorize(ColorNormal, FALSE);
3969 curColor = ColorNormal;
3971 if (started == STARTED_BOARD) {
3972 started = STARTED_NONE;
3973 parse[parse_pos] = NULLCHAR;
3974 ParseBoard12(parse);
3977 /* Send premove here */
3978 if (appData.premove) {
3980 if (currentMove == 0 &&
3981 gameMode == IcsPlayingWhite &&
3982 appData.premoveWhite) {
3983 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
3984 if (appData.debugMode)
3985 fprintf(debugFP, "Sending premove:\n");
3987 } else if (currentMove == 1 &&
3988 gameMode == IcsPlayingBlack &&
3989 appData.premoveBlack) {
3990 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
3991 if (appData.debugMode)
3992 fprintf(debugFP, "Sending premove:\n");
3994 } else if (gotPremove) {
3996 ClearPremoveHighlights();
3997 if (appData.debugMode)
3998 fprintf(debugFP, "Sending premove:\n");
3999 UserMoveEvent(premoveFromX, premoveFromY,
4000 premoveToX, premoveToY,
4005 /* Usually suppress following prompt */
4006 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4007 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4008 if (looking_at(buf, &i, "*% ")) {
4009 savingComment = FALSE;
4014 } else if (started == STARTED_HOLDINGS) {
4016 char new_piece[MSG_SIZ];
4017 started = STARTED_NONE;
4018 parse[parse_pos] = NULLCHAR;
4019 if (appData.debugMode)
4020 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4021 parse, currentMove);
4022 if (sscanf(parse, " game %d", &gamenum) == 1) {
4023 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4024 if (gameInfo.variant == VariantNormal) {
4025 /* [HGM] We seem to switch variant during a game!
4026 * Presumably no holdings were displayed, so we have
4027 * to move the position two files to the right to
4028 * create room for them!
4030 VariantClass newVariant;
4031 switch(gameInfo.boardWidth) { // base guess on board width
4032 case 9: newVariant = VariantShogi; break;
4033 case 10: newVariant = VariantGreat; break;
4034 default: newVariant = VariantCrazyhouse; break;
4036 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4037 /* Get a move list just to see the header, which
4038 will tell us whether this is really bug or zh */
4039 if (ics_getting_history == H_FALSE) {
4040 ics_getting_history = H_REQUESTED;
4041 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4045 new_piece[0] = NULLCHAR;
4046 sscanf(parse, "game %d white [%s black [%s <- %s",
4047 &gamenum, white_holding, black_holding,
4049 white_holding[strlen(white_holding)-1] = NULLCHAR;
4050 black_holding[strlen(black_holding)-1] = NULLCHAR;
4051 /* [HGM] copy holdings to board holdings area */
4052 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4053 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4054 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4056 if (appData.zippyPlay && first.initDone) {
4057 ZippyHoldings(white_holding, black_holding,
4061 if (tinyLayout || smallLayout) {
4062 char wh[16], bh[16];
4063 PackHolding(wh, white_holding);
4064 PackHolding(bh, black_holding);
4065 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4066 gameInfo.white, gameInfo.black);
4068 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4069 gameInfo.white, white_holding, _("vs."),
4070 gameInfo.black, black_holding);
4072 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4073 DrawPosition(FALSE, boards[currentMove]);
4075 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4076 sscanf(parse, "game %d white [%s black [%s <- %s",
4077 &gamenum, white_holding, black_holding,
4079 white_holding[strlen(white_holding)-1] = NULLCHAR;
4080 black_holding[strlen(black_holding)-1] = NULLCHAR;
4081 /* [HGM] copy holdings to partner-board holdings area */
4082 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4083 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4084 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4085 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4086 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4089 /* Suppress following prompt */
4090 if (looking_at(buf, &i, "*% ")) {
4091 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4092 savingComment = FALSE;
4100 i++; /* skip unparsed character and loop back */
4103 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4104 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4105 // SendToPlayer(&buf[next_out], i - next_out);
4106 started != STARTED_HOLDINGS && leftover_start > next_out) {
4107 SendToPlayer(&buf[next_out], leftover_start - next_out);
4111 leftover_len = buf_len - leftover_start;
4112 /* if buffer ends with something we couldn't parse,
4113 reparse it after appending the next read */
4115 } else if (count == 0) {
4116 RemoveInputSource(isr);
4117 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4119 DisplayFatalError(_("Error reading from ICS"), error, 1);
4124 /* Board style 12 looks like this:
4126 <12> r-b---k- pp----pp ---bP--- ---p---- q------- ------P- P--Q--BP -----R-K W -1 0 0 0 0 0 0 paf MaxII 0 2 12 21 25 234 174 24 Q/d7-a4 (0:06) Qxa4 0 0
4128 * The "<12> " is stripped before it gets to this routine. The two
4129 * trailing 0's (flip state and clock ticking) are later addition, and
4130 * some chess servers may not have them, or may have only the first.
4131 * Additional trailing fields may be added in the future.
4134 #define PATTERN "%c%d%d%d%d%d%d%d%s%s%d%d%d%d%d%d%d%d%s%s%s%d%d"
4136 #define RELATION_OBSERVING_PLAYED 0
4137 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4138 #define RELATION_PLAYING_MYMOVE 1
4139 #define RELATION_PLAYING_NOTMYMOVE -1
4140 #define RELATION_EXAMINING 2
4141 #define RELATION_ISOLATED_BOARD -3
4142 #define RELATION_STARTING_POSITION -4 /* FICS only */
4145 ParseBoard12 (char *string)
4147 GameMode newGameMode;
4148 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0, i;
4149 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time, takeback;
4150 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4151 char to_play, board_chars[200];
4152 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4153 char black[32], white[32];
4155 int prevMove = currentMove;
4158 int fromX, fromY, toX, toY;
4160 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4161 char *bookHit = NULL; // [HGM] book
4162 Boolean weird = FALSE, reqFlag = FALSE;
4164 fromX = fromY = toX = toY = -1;
4168 if (appData.debugMode)
4169 fprintf(debugFP, _("Parsing board: %s\n"), string);
4171 move_str[0] = NULLCHAR;
4172 elapsed_time[0] = NULLCHAR;
4173 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4175 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4176 if(string[i] == ' ') { ranks++; files = 0; }
4178 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4181 for(j = 0; j <i; j++) board_chars[j] = string[j];
4182 board_chars[i] = '\0';
4185 n = sscanf(string, PATTERN, &to_play, &double_push,
4186 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4187 &gamenum, white, black, &relation, &basetime, &increment,
4188 &white_stren, &black_stren, &white_time, &black_time,
4189 &moveNum, str, elapsed_time, move_str, &ics_flip,
4193 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4194 DisplayError(str, 0);
4198 /* Convert the move number to internal form */
4199 moveNum = (moveNum - 1) * 2;
4200 if (to_play == 'B') moveNum++;
4201 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4202 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4208 case RELATION_OBSERVING_PLAYED:
4209 case RELATION_OBSERVING_STATIC:
4210 if (gamenum == -1) {
4211 /* Old ICC buglet */
4212 relation = RELATION_OBSERVING_STATIC;
4214 newGameMode = IcsObserving;
4216 case RELATION_PLAYING_MYMOVE:
4217 case RELATION_PLAYING_NOTMYMOVE:
4219 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4220 IcsPlayingWhite : IcsPlayingBlack;
4221 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4223 case RELATION_EXAMINING:
4224 newGameMode = IcsExamining;
4226 case RELATION_ISOLATED_BOARD:
4228 /* Just display this board. If user was doing something else,
4229 we will forget about it until the next board comes. */
4230 newGameMode = IcsIdle;
4232 case RELATION_STARTING_POSITION:
4233 newGameMode = gameMode;
4237 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
4238 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4239 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4241 for (k = 0; k < ranks; k++) {
4242 for (j = 0; j < files; j++)
4243 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4244 if(gameInfo.holdingsWidth > 1) {
4245 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4246 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4249 CopyBoard(partnerBoard, board);
4250 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4251 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4252 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4253 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4254 if(toSqr = strchr(str, '-')) {
4255 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4256 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4257 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4258 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4259 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4260 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4261 if(twoBoards) { partnerUp = 0; flipView = !flipView; } // [HGM] dual
4262 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time/60000, (white_time%60000)/1000,
4263 (black_time/60000), (black_time%60000)/1000, white_stren, black_stren, to_play);
4264 DisplayMessage(partnerStatus, "");
4265 partnerBoardValid = TRUE;
4269 /* Modify behavior for initial board display on move listing
4272 switch (ics_getting_history) {
4276 case H_GOT_REQ_HEADER:
4277 case H_GOT_UNREQ_HEADER:
4278 /* This is the initial position of the current game */
4279 gamenum = ics_gamenum;
4280 moveNum = 0; /* old ICS bug workaround */
4281 if (to_play == 'B') {
4282 startedFromSetupPosition = TRUE;
4283 blackPlaysFirst = TRUE;
4285 if (forwardMostMove == 0) forwardMostMove = 1;
4286 if (backwardMostMove == 0) backwardMostMove = 1;
4287 if (currentMove == 0) currentMove = 1;
4289 newGameMode = gameMode;
4290 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4292 case H_GOT_UNWANTED_HEADER:
4293 /* This is an initial board that we don't want */
4295 case H_GETTING_MOVES:
4296 /* Should not happen */
4297 DisplayError(_("Error gathering move list: extra board"), 0);
4298 ics_getting_history = H_FALSE;
4302 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4303 weird && (int)gameInfo.variant < (int)VariantShogi) {
4304 /* [HGM] We seem to have switched variant unexpectedly
4305 * Try to guess new variant from board size
4307 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4308 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4309 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4310 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4311 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4312 if(!weird) newVariant = VariantNormal;
4313 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4314 /* Get a move list just to see the header, which
4315 will tell us whether this is really bug or zh */
4316 if (ics_getting_history == H_FALSE) {
4317 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4318 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4323 /* Take action if this is the first board of a new game, or of a
4324 different game than is currently being displayed. */
4325 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4326 relation == RELATION_ISOLATED_BOARD) {
4328 /* Forget the old game and get the history (if any) of the new one */
4329 if (gameMode != BeginningOfGame) {
4333 if (appData.autoRaiseBoard) BoardToTop();
4335 if (gamenum == -1) {
4336 newGameMode = IcsIdle;
4337 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4338 appData.getMoveList && !reqFlag) {
4339 /* Need to get game history */
4340 ics_getting_history = H_REQUESTED;
4341 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4345 /* Initially flip the board to have black on the bottom if playing
4346 black or if the ICS flip flag is set, but let the user change
4347 it with the Flip View button. */
4348 flipView = appData.autoFlipView ?
4349 (newGameMode == IcsPlayingBlack) || ics_flip :
4352 /* Done with values from previous mode; copy in new ones */
4353 gameMode = newGameMode;
4355 ics_gamenum = gamenum;
4356 if (gamenum == gs_gamenum) {
4357 int klen = strlen(gs_kind);
4358 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4359 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4360 gameInfo.event = StrSave(str);
4362 gameInfo.event = StrSave("ICS game");
4364 gameInfo.site = StrSave(appData.icsHost);
4365 gameInfo.date = PGNDate();
4366 gameInfo.round = StrSave("-");
4367 gameInfo.white = StrSave(white);
4368 gameInfo.black = StrSave(black);
4369 timeControl = basetime * 60 * 1000;
4371 timeIncrement = increment * 1000;
4372 movesPerSession = 0;
4373 gameInfo.timeControl = TimeControlTagValue();
4374 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4375 if (appData.debugMode) {
4376 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4377 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4378 setbuf(debugFP, NULL);
4381 gameInfo.outOfBook = NULL;
4383 /* Do we have the ratings? */
4384 if (strcmp(player1Name, white) == 0 &&
4385 strcmp(player2Name, black) == 0) {
4386 if (appData.debugMode)
4387 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4388 player1Rating, player2Rating);
4389 gameInfo.whiteRating = player1Rating;
4390 gameInfo.blackRating = player2Rating;
4391 } else if (strcmp(player2Name, white) == 0 &&
4392 strcmp(player1Name, black) == 0) {
4393 if (appData.debugMode)
4394 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4395 player2Rating, player1Rating);
4396 gameInfo.whiteRating = player2Rating;
4397 gameInfo.blackRating = player1Rating;
4399 player1Name[0] = player2Name[0] = NULLCHAR;
4401 /* Silence shouts if requested */
4402 if (appData.quietPlay &&
4403 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4404 SendToICS(ics_prefix);
4405 SendToICS("set shout 0\n");
4409 /* Deal with midgame name changes */
4411 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4412 if (gameInfo.white) free(gameInfo.white);
4413 gameInfo.white = StrSave(white);
4415 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4416 if (gameInfo.black) free(gameInfo.black);
4417 gameInfo.black = StrSave(black);
4421 /* Throw away game result if anything actually changes in examine mode */
4422 if (gameMode == IcsExamining && !newGame) {
4423 gameInfo.result = GameUnfinished;
4424 if (gameInfo.resultDetails != NULL) {
4425 free(gameInfo.resultDetails);
4426 gameInfo.resultDetails = NULL;
4430 /* In pausing && IcsExamining mode, we ignore boards coming
4431 in if they are in a different variation than we are. */
4432 if (pauseExamInvalid) return;
4433 if (pausing && gameMode == IcsExamining) {
4434 if (moveNum <= pauseExamForwardMostMove) {
4435 pauseExamInvalid = TRUE;
4436 forwardMostMove = pauseExamForwardMostMove;
4441 if (appData.debugMode) {
4442 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4444 /* Parse the board */
4445 for (k = 0; k < ranks; k++) {
4446 for (j = 0; j < files; j++)
4447 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4448 if(gameInfo.holdingsWidth > 1) {
4449 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4450 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4453 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4454 board[5][BOARD_RGHT+1] = WhiteAngel;
4455 board[6][BOARD_RGHT+1] = WhiteMarshall;
4456 board[1][0] = BlackMarshall;
4457 board[2][0] = BlackAngel;
4458 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4460 CopyBoard(boards[moveNum], board);
4461 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4463 startedFromSetupPosition =
4464 !CompareBoards(board, initialPosition);
4465 if(startedFromSetupPosition)
4466 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4469 /* [HGM] Set castling rights. Take the outermost Rooks,
4470 to make it also work for FRC opening positions. Note that board12
4471 is really defective for later FRC positions, as it has no way to
4472 indicate which Rook can castle if they are on the same side of King.
4473 For the initial position we grant rights to the outermost Rooks,
4474 and remember thos rights, and we then copy them on positions
4475 later in an FRC game. This means WB might not recognize castlings with
4476 Rooks that have moved back to their original position as illegal,
4477 but in ICS mode that is not its job anyway.
4479 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4480 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4482 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4483 if(board[0][i] == WhiteRook) j = i;
4484 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4485 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4486 if(board[0][i] == WhiteRook) j = i;
4487 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4488 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4489 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4490 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4491 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4492 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4493 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4495 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4496 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4497 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4498 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4499 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4500 if(board[BOARD_HEIGHT-1][k] == bKing)
4501 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4502 if(gameInfo.variant == VariantTwoKings) {
4503 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4504 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4505 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4508 r = boards[moveNum][CASTLING][0] = initialRights[0];
4509 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4510 r = boards[moveNum][CASTLING][1] = initialRights[1];
4511 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4512 r = boards[moveNum][CASTLING][3] = initialRights[3];
4513 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4514 r = boards[moveNum][CASTLING][4] = initialRights[4];
4515 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4516 /* wildcastle kludge: always assume King has rights */
4517 r = boards[moveNum][CASTLING][2] = initialRights[2];
4518 r = boards[moveNum][CASTLING][5] = initialRights[5];
4520 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4521 boards[moveNum][EP_STATUS] = EP_NONE;
4522 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4523 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4524 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4527 if (ics_getting_history == H_GOT_REQ_HEADER ||
4528 ics_getting_history == H_GOT_UNREQ_HEADER) {
4529 /* This was an initial position from a move list, not
4530 the current position */
4534 /* Update currentMove and known move number limits */
4535 newMove = newGame || moveNum > forwardMostMove;
4538 forwardMostMove = backwardMostMove = currentMove = moveNum;
4539 if (gameMode == IcsExamining && moveNum == 0) {
4540 /* Workaround for ICS limitation: we are not told the wild
4541 type when starting to examine a game. But if we ask for
4542 the move list, the move list header will tell us */
4543 ics_getting_history = H_REQUESTED;
4544 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4547 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4548 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4550 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4551 /* [HGM] applied this also to an engine that is silently watching */
4552 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4553 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4554 gameInfo.variant == currentlyInitializedVariant) {
4555 takeback = forwardMostMove - moveNum;
4556 for (i = 0; i < takeback; i++) {
4557 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4558 SendToProgram("undo\n", &first);
4563 forwardMostMove = moveNum;
4564 if (!pausing || currentMove > forwardMostMove)
4565 currentMove = forwardMostMove;
4567 /* New part of history that is not contiguous with old part */
4568 if (pausing && gameMode == IcsExamining) {
4569 pauseExamInvalid = TRUE;
4570 forwardMostMove = pauseExamForwardMostMove;
4573 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4575 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4576 // [HGM] when we will receive the move list we now request, it will be
4577 // fed to the engine from the first move on. So if the engine is not
4578 // in the initial position now, bring it there.
4579 InitChessProgram(&first, 0);
4582 ics_getting_history = H_REQUESTED;
4583 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4586 forwardMostMove = backwardMostMove = currentMove = moveNum;
4589 /* Update the clocks */
4590 if (strchr(elapsed_time, '.')) {
4592 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4593 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4595 /* Time is in seconds */
4596 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4597 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4602 if (appData.zippyPlay && newGame &&
4603 gameMode != IcsObserving && gameMode != IcsIdle &&
4604 gameMode != IcsExamining)
4605 ZippyFirstBoard(moveNum, basetime, increment);
4608 /* Put the move on the move list, first converting
4609 to canonical algebraic form. */
4611 if (appData.debugMode) {
4612 if (appData.debugMode) { int f = forwardMostMove;
4613 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4614 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4615 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4617 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4618 fprintf(debugFP, "moveNum = %d\n", moveNum);
4619 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4620 setbuf(debugFP, NULL);
4622 if (moveNum <= backwardMostMove) {
4623 /* We don't know what the board looked like before
4625 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4626 strcat(parseList[moveNum - 1], " ");
4627 strcat(parseList[moveNum - 1], elapsed_time);
4628 moveList[moveNum - 1][0] = NULLCHAR;
4629 } else if (strcmp(move_str, "none") == 0) {
4630 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4631 /* Again, we don't know what the board looked like;
4632 this is really the start of the game. */
4633 parseList[moveNum - 1][0] = NULLCHAR;
4634 moveList[moveNum - 1][0] = NULLCHAR;
4635 backwardMostMove = moveNum;
4636 startedFromSetupPosition = TRUE;
4637 fromX = fromY = toX = toY = -1;
4639 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4640 // So we parse the long-algebraic move string in stead of the SAN move
4641 int valid; char buf[MSG_SIZ], *prom;
4643 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4644 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4645 // str looks something like "Q/a1-a2"; kill the slash
4647 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4648 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4649 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4650 strcat(buf, prom); // long move lacks promo specification!
4651 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4652 if(appData.debugMode)
4653 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4654 safeStrCpy(move_str, buf, MSG_SIZ);
4656 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4657 &fromX, &fromY, &toX, &toY, &promoChar)
4658 || ParseOneMove(buf, moveNum - 1, &moveType,
4659 &fromX, &fromY, &toX, &toY, &promoChar);
4660 // end of long SAN patch
4662 (void) CoordsToAlgebraic(boards[moveNum - 1],
4663 PosFlags(moveNum - 1),
4664 fromY, fromX, toY, toX, promoChar,
4665 parseList[moveNum-1]);
4666 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4672 if(gameInfo.variant != VariantShogi)
4673 strcat(parseList[moveNum - 1], "+");
4676 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4677 strcat(parseList[moveNum - 1], "#");
4680 strcat(parseList[moveNum - 1], " ");
4681 strcat(parseList[moveNum - 1], elapsed_time);
4682 /* currentMoveString is set as a side-effect of ParseOneMove */
4683 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4684 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4685 strcat(moveList[moveNum - 1], "\n");
4687 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4688 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4689 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4690 ChessSquare old, new = boards[moveNum][k][j];
4691 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4692 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4693 if(old == new) continue;
4694 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4695 else if(new == WhiteWazir || new == BlackWazir) {
4696 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4697 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4698 else boards[moveNum][k][j] = old; // preserve type of Gold
4699 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4700 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4703 /* Move from ICS was illegal!? Punt. */
4704 if (appData.debugMode) {
4705 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4706 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4708 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4709 strcat(parseList[moveNum - 1], " ");
4710 strcat(parseList[moveNum - 1], elapsed_time);
4711 moveList[moveNum - 1][0] = NULLCHAR;
4712 fromX = fromY = toX = toY = -1;
4715 if (appData.debugMode) {
4716 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4717 setbuf(debugFP, NULL);
4721 /* Send move to chess program (BEFORE animating it). */
4722 if (appData.zippyPlay && !newGame && newMove &&
4723 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4725 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4726 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4727 if (moveList[moveNum - 1][0] == NULLCHAR) {
4728 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4730 DisplayError(str, 0);
4732 if (first.sendTime) {
4733 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4735 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4736 if (firstMove && !bookHit) {
4738 if (first.useColors) {
4739 SendToProgram(gameMode == IcsPlayingWhite ?
4741 "black\ngo\n", &first);
4743 SendToProgram("go\n", &first);
4745 first.maybeThinking = TRUE;
4748 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4749 if (moveList[moveNum - 1][0] == NULLCHAR) {
4750 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4751 DisplayError(str, 0);
4753 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4754 SendMoveToProgram(moveNum - 1, &first);
4761 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4762 /* If move comes from a remote source, animate it. If it
4763 isn't remote, it will have already been animated. */
4764 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4765 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4767 if (!pausing && appData.highlightLastMove) {
4768 SetHighlights(fromX, fromY, toX, toY);
4772 /* Start the clocks */
4773 whiteFlag = blackFlag = FALSE;
4774 appData.clockMode = !(basetime == 0 && increment == 0);
4776 ics_clock_paused = TRUE;
4778 } else if (ticking == 1) {
4779 ics_clock_paused = FALSE;
4781 if (gameMode == IcsIdle ||
4782 relation == RELATION_OBSERVING_STATIC ||
4783 relation == RELATION_EXAMINING ||
4785 DisplayBothClocks();
4789 /* Display opponents and material strengths */
4790 if (gameInfo.variant != VariantBughouse &&
4791 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4792 if (tinyLayout || smallLayout) {
4793 if(gameInfo.variant == VariantNormal)
4794 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4795 gameInfo.white, white_stren, gameInfo.black, black_stren,
4796 basetime, increment);
4798 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4799 gameInfo.white, white_stren, gameInfo.black, black_stren,
4800 basetime, increment, (int) gameInfo.variant);
4802 if(gameInfo.variant == VariantNormal)
4803 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4804 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4805 basetime, increment);
4807 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4808 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4809 basetime, increment, VariantName(gameInfo.variant));
4812 if (appData.debugMode) {
4813 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
4818 /* Display the board */
4819 if (!pausing && !appData.noGUI) {
4821 if (appData.premove)
4823 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
4824 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
4825 ClearPremoveHighlights();
4827 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
4828 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
4829 DrawPosition(j, boards[currentMove]);
4831 DisplayMove(moveNum - 1);
4832 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
4833 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
4834 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
4835 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
4839 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
4841 if(bookHit) { // [HGM] book: simulate book reply
4842 static char bookMove[MSG_SIZ]; // a bit generous?
4844 programStats.nodes = programStats.depth = programStats.time =
4845 programStats.score = programStats.got_only_move = 0;
4846 sprintf(programStats.movelist, "%s (xbook)", bookHit);
4848 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
4849 strcat(bookMove, bookHit);
4850 HandleMachineMove(bookMove, &first);
4859 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
4860 ics_getting_history = H_REQUESTED;
4861 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
4867 AnalysisPeriodicEvent (int force)
4869 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
4870 && !force) || !appData.periodicUpdates)
4873 /* Send . command to Crafty to collect stats */
4874 SendToProgram(".\n", &first);
4876 /* Don't send another until we get a response (this makes
4877 us stop sending to old Crafty's which don't understand
4878 the "." command (sending illegal cmds resets node count & time,
4879 which looks bad)) */
4880 programStats.ok_to_send = 0;
4884 ics_update_width (int new_width)
4886 ics_printf("set width %d\n", new_width);
4890 SendMoveToProgram (int moveNum, ChessProgramState *cps)
4894 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
4895 // null move in variant where engine does not understand it (for analysis purposes)
4896 SendBoard(cps, moveNum + 1); // send position after move in stead.
4899 if (cps->useUsermove) {
4900 SendToProgram("usermove ", cps);
4904 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
4905 int len = space - parseList[moveNum];
4906 memcpy(buf, parseList[moveNum], len);
4908 buf[len] = NULLCHAR;
4910 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
4912 SendToProgram(buf, cps);
4914 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
4915 AlphaRank(moveList[moveNum], 4);
4916 SendToProgram(moveList[moveNum], cps);
4917 AlphaRank(moveList[moveNum], 4); // and back
4919 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
4920 * the engine. It would be nice to have a better way to identify castle
4922 if((gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom)
4923 && cps->useOOCastle) {
4924 int fromX = moveList[moveNum][0] - AAA;
4925 int fromY = moveList[moveNum][1] - ONE;
4926 int toX = moveList[moveNum][2] - AAA;
4927 int toY = moveList[moveNum][3] - ONE;
4928 if((boards[moveNum][fromY][fromX] == WhiteKing
4929 && boards[moveNum][toY][toX] == WhiteRook)
4930 || (boards[moveNum][fromY][fromX] == BlackKing
4931 && boards[moveNum][toY][toX] == BlackRook)) {
4932 if(toX > fromX) SendToProgram("O-O\n", cps);
4933 else SendToProgram("O-O-O\n", cps);
4935 else SendToProgram(moveList[moveNum], cps);
4937 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
4938 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
4939 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
4940 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
4941 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4943 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
4944 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
4945 SendToProgram(buf, cps);
4947 else SendToProgram(moveList[moveNum], cps);
4948 /* End of additions by Tord */
4951 /* [HGM] setting up the opening has brought engine in force mode! */
4952 /* Send 'go' if we are in a mode where machine should play. */
4953 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
4954 (gameMode == TwoMachinesPlay ||
4956 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
4958 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
4959 SendToProgram("go\n", cps);
4960 if (appData.debugMode) {
4961 fprintf(debugFP, "(extra)\n");
4964 setboardSpoiledMachineBlack = 0;
4968 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
4970 char user_move[MSG_SIZ];
4973 if(gameInfo.variant == VariantSChess && promoChar) {
4974 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
4975 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
4976 } else suffix[0] = NULLCHAR;
4980 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
4981 (int)moveType, fromX, fromY, toX, toY);
4982 DisplayError(user_move + strlen("say "), 0);
4984 case WhiteKingSideCastle:
4985 case BlackKingSideCastle:
4986 case WhiteQueenSideCastleWild:
4987 case BlackQueenSideCastleWild:
4989 case WhiteHSideCastleFR:
4990 case BlackHSideCastleFR:
4992 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
4994 case WhiteQueenSideCastle:
4995 case BlackQueenSideCastle:
4996 case WhiteKingSideCastleWild:
4997 case BlackKingSideCastleWild:
4999 case WhiteASideCastleFR:
5000 case BlackASideCastleFR:
5002 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5004 case WhiteNonPromotion:
5005 case BlackNonPromotion:
5006 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5008 case WhitePromotion:
5009 case BlackPromotion:
5010 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
5011 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5012 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5013 PieceToChar(WhiteFerz));
5014 else if(gameInfo.variant == VariantGreat)
5015 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5016 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5017 PieceToChar(WhiteMan));
5019 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5020 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5026 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5027 ToUpper(PieceToChar((ChessSquare) fromX)),
5028 AAA + toX, ONE + toY);
5030 case IllegalMove: /* could be a variant we don't quite understand */
5031 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5033 case WhiteCapturesEnPassant:
5034 case BlackCapturesEnPassant:
5035 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5036 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5039 SendToICS(user_move);
5040 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5041 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5046 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5047 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5048 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5049 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5050 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5053 if(gameMode != IcsExamining) { // is this ever not the case?
5054 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5056 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5057 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5058 } else { // on FICS we must first go to general examine mode
5059 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5061 if(gameInfo.variant != VariantNormal) {
5062 // try figure out wild number, as xboard names are not always valid on ICS
5063 for(i=1; i<=36; i++) {
5064 snprintf(buf, MSG_SIZ, "wild/%d", i);
5065 if(StringToVariant(buf) == gameInfo.variant) break;
5067 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5068 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5069 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5070 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5071 SendToICS(ics_prefix);
5073 if(startedFromSetupPosition || backwardMostMove != 0) {
5074 fen = PositionToFEN(backwardMostMove, NULL);
5075 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5076 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5078 } else { // FICS: everything has to set by separate bsetup commands
5079 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5080 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5082 if(!WhiteOnMove(backwardMostMove)) {
5083 SendToICS("bsetup tomove black\n");
5085 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5086 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5088 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5089 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5091 i = boards[backwardMostMove][EP_STATUS];
5092 if(i >= 0) { // set e.p.
5093 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5099 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5100 SendToICS("bsetup done\n"); // switch to normal examining.
5102 for(i = backwardMostMove; i<last; i++) {
5104 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5107 SendToICS(ics_prefix);
5108 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5112 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5114 if (rf == DROP_RANK) {
5115 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5116 sprintf(move, "%c@%c%c\n",
5117 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5119 if (promoChar == 'x' || promoChar == NULLCHAR) {
5120 sprintf(move, "%c%c%c%c\n",
5121 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5123 sprintf(move, "%c%c%c%c%c\n",
5124 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5130 ProcessICSInitScript (FILE *f)
5134 while (fgets(buf, MSG_SIZ, f)) {
5135 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5142 static int lastX, lastY, selectFlag, dragging;
5147 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5148 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5149 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5150 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5151 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5152 if(fromY != BOARD_HEIGHT-2 && fromY != 1) pawn = EmptySquare;
5155 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5156 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5157 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5158 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5159 if(!step) step = -1;
5160 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5161 appData.testLegality && (promoSweep == king ||
5162 gameInfo.variant == VariantShogi && promoSweep != PROMOTED last && last != PROMOTED promoSweep && last != promoSweep));
5163 ChangeDragPiece(promoSweep);
5167 PromoScroll (int x, int y)
5171 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5172 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5173 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5174 if(!step) return FALSE;
5175 lastX = x; lastY = y;
5176 if((promoSweep < BlackPawn) == flipView) step = -step;
5177 if(step > 0) selectFlag = 1;
5178 if(!selectFlag) Sweep(step);
5183 NextPiece (int step)
5185 ChessSquare piece = boards[currentMove][toY][toX];
5188 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5189 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5190 if(!step) step = -1;
5191 } while(PieceToChar(pieceSweep) == '.');
5192 boards[currentMove][toY][toX] = pieceSweep;
5193 DrawPosition(FALSE, boards[currentMove]);
5194 boards[currentMove][toY][toX] = piece;
5196 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5198 AlphaRank (char *move, int n)
5200 // char *p = move, c; int x, y;
5202 if (appData.debugMode) {
5203 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5207 move[2]>='0' && move[2]<='9' &&
5208 move[3]>='a' && move[3]<='x' ) {
5210 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5211 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5213 if(move[0]>='0' && move[0]<='9' &&
5214 move[1]>='a' && move[1]<='x' &&
5215 move[2]>='0' && move[2]<='9' &&
5216 move[3]>='a' && move[3]<='x' ) {
5217 /* input move, Shogi -> normal */
5218 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5219 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5220 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5221 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5224 move[3]>='0' && move[3]<='9' &&
5225 move[2]>='a' && move[2]<='x' ) {
5227 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5228 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5231 move[0]>='a' && move[0]<='x' &&
5232 move[3]>='0' && move[3]<='9' &&
5233 move[2]>='a' && move[2]<='x' ) {
5234 /* output move, normal -> Shogi */
5235 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5236 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5237 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5238 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5239 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5241 if (appData.debugMode) {
5242 fprintf(debugFP, " out = '%s'\n", move);
5246 char yy_textstr[8000];
5248 /* Parser for moves from gnuchess, ICS, or user typein box */
5250 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5252 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5254 switch (*moveType) {
5255 case WhitePromotion:
5256 case BlackPromotion:
5257 case WhiteNonPromotion:
5258 case BlackNonPromotion:
5260 case WhiteCapturesEnPassant:
5261 case BlackCapturesEnPassant:
5262 case WhiteKingSideCastle:
5263 case WhiteQueenSideCastle:
5264 case BlackKingSideCastle:
5265 case BlackQueenSideCastle:
5266 case WhiteKingSideCastleWild:
5267 case WhiteQueenSideCastleWild:
5268 case BlackKingSideCastleWild:
5269 case BlackQueenSideCastleWild:
5270 /* Code added by Tord: */
5271 case WhiteHSideCastleFR:
5272 case WhiteASideCastleFR:
5273 case BlackHSideCastleFR:
5274 case BlackASideCastleFR:
5275 /* End of code added by Tord */
5276 case IllegalMove: /* bug or odd chess variant */
5277 *fromX = currentMoveString[0] - AAA;
5278 *fromY = currentMoveString[1] - ONE;
5279 *toX = currentMoveString[2] - AAA;
5280 *toY = currentMoveString[3] - ONE;
5281 *promoChar = currentMoveString[4];
5282 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5283 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5284 if (appData.debugMode) {
5285 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5287 *fromX = *fromY = *toX = *toY = 0;
5290 if (appData.testLegality) {
5291 return (*moveType != IllegalMove);
5293 return !(*fromX == *toX && *fromY == *toY) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5294 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5299 *fromX = *moveType == WhiteDrop ?
5300 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5301 (int) CharToPiece(ToLower(currentMoveString[0]));
5303 *toX = currentMoveString[2] - AAA;
5304 *toY = currentMoveString[3] - ONE;
5305 *promoChar = NULLCHAR;
5309 case ImpossibleMove:
5319 if (appData.debugMode) {
5320 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5323 *fromX = *fromY = *toX = *toY = 0;
5324 *promoChar = NULLCHAR;
5329 Boolean pushed = FALSE;
5330 char *lastParseAttempt;
5333 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5334 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5335 int fromX, fromY, toX, toY; char promoChar;
5340 if (gameMode == AnalyzeMode && currentMove < forwardMostMove) {
5341 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5344 endPV = forwardMostMove;
5346 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5347 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5348 lastParseAttempt = pv;
5349 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5350 if(!valid && nr == 0 &&
5351 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5352 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5353 // Hande case where played move is different from leading PV move
5354 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5355 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5356 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5357 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5358 endPV += 2; // if position different, keep this
5359 moveList[endPV-1][0] = fromX + AAA;
5360 moveList[endPV-1][1] = fromY + ONE;
5361 moveList[endPV-1][2] = toX + AAA;
5362 moveList[endPV-1][3] = toY + ONE;
5363 parseList[endPV-1][0] = NULLCHAR;
5364 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5367 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5368 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5369 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5370 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5371 valid++; // allow comments in PV
5375 if(endPV+1 > framePtr) break; // no space, truncate
5378 CopyBoard(boards[endPV], boards[endPV-1]);
5379 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5380 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5381 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5382 CoordsToAlgebraic(boards[endPV - 1],
5383 PosFlags(endPV - 1),
5384 fromY, fromX, toY, toX, promoChar,
5385 parseList[endPV - 1]);
5387 if(atEnd == 2) return; // used hidden, for PV conversion
5388 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5389 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5390 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5391 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5392 DrawPosition(TRUE, boards[currentMove]);
5396 MultiPV (ChessProgramState *cps)
5397 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5399 for(i=0; i<cps->nrOptions; i++)
5400 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5406 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end)
5408 int startPV, multi, lineStart, origIndex = index;
5409 char *p, buf2[MSG_SIZ];
5411 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5412 lastX = x; lastY = y;
5413 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5414 lineStart = startPV = index;
5415 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5416 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5418 do{ while(buf[index] && buf[index] != '\n') index++;
5419 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5421 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(&first)) >= 0) {
5422 int n = first.option[multi].value;
5423 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5424 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5425 if(first.option[multi].value != n) SendToProgram(buf2, &first);
5426 first.option[multi].value = n;
5430 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5431 *start = startPV; *end = index-1;
5438 static char buf[10*MSG_SIZ];
5439 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5441 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV);
5442 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5443 for(i = forwardMostMove; i<endPV; i++){
5444 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5445 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5448 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5449 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5455 LoadPV (int x, int y)
5456 { // called on right mouse click to load PV
5457 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5458 lastX = x; lastY = y;
5459 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5466 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5467 if(endPV < 0) return;
5468 if(appData.autoCopyPV) CopyFENToClipboard();
5470 if(gameMode == AnalyzeMode && currentMove > forwardMostMove) {
5471 Boolean saveAnimate = appData.animate;
5473 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5474 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5475 } else storedGames--; // abandon shelved tail of original game
5478 forwardMostMove = currentMove;
5479 currentMove = oldFMM;
5480 appData.animate = FALSE;
5481 ToNrEvent(forwardMostMove);
5482 appData.animate = saveAnimate;
5484 currentMove = forwardMostMove;
5485 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5486 ClearPremoveHighlights();
5487 DrawPosition(TRUE, boards[currentMove]);
5491 MovePV (int x, int y, int h)
5492 { // step through PV based on mouse coordinates (called on mouse move)
5493 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5495 // we must somehow check if right button is still down (might be released off board!)
5496 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5497 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5498 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5500 lastX = x; lastY = y;
5502 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5503 if(endPV < 0) return;
5504 if(y < margin) step = 1; else
5505 if(y > h - margin) step = -1;
5506 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5507 currentMove += step;
5508 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5509 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5510 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5511 DrawPosition(FALSE, boards[currentMove]);
5515 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5516 // All positions will have equal probability, but the current method will not provide a unique
5517 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5523 int piecesLeft[(int)BlackPawn];
5524 int seed, nrOfShuffles;
5527 GetPositionNumber ()
5528 { // sets global variable seed
5531 seed = appData.defaultFrcPosition;
5532 if(seed < 0) { // randomize based on time for negative FRC position numbers
5533 for(i=0; i<50; i++) seed += random();
5534 seed = random() ^ random() >> 8 ^ random() << 8;
5535 if(seed<0) seed = -seed;
5540 put (Board board, int pieceType, int rank, int n, int shade)
5541 // put the piece on the (n-1)-th empty squares of the given shade
5545 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5546 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5547 board[rank][i] = (ChessSquare) pieceType;
5548 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5550 piecesLeft[pieceType]--;
5559 AddOnePiece (Board board, int pieceType, int rank, int shade)
5560 // calculate where the next piece goes, (any empty square), and put it there
5564 i = seed % squaresLeft[shade];
5565 nrOfShuffles *= squaresLeft[shade];
5566 seed /= squaresLeft[shade];
5567 put(board, pieceType, rank, i, shade);
5571 AddTwoPieces (Board board, int pieceType, int rank)
5572 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5574 int i, n=squaresLeft[ANY], j=n-1, k;
5576 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5577 i = seed % k; // pick one
5580 while(i >= j) i -= j--;
5581 j = n - 1 - j; i += j;
5582 put(board, pieceType, rank, j, ANY);
5583 put(board, pieceType, rank, i, ANY);
5587 SetUpShuffle (Board board, int number)
5591 GetPositionNumber(); nrOfShuffles = 1;
5593 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5594 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5595 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5597 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5599 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5600 p = (int) board[0][i];
5601 if(p < (int) BlackPawn) piecesLeft[p] ++;
5602 board[0][i] = EmptySquare;
5605 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5606 // shuffles restricted to allow normal castling put KRR first
5607 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5608 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5609 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5610 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5611 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5612 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5613 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5614 put(board, WhiteRook, 0, 0, ANY);
5615 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5618 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5619 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5620 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5621 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5622 while(piecesLeft[p] >= 2) {
5623 AddOnePiece(board, p, 0, LITE);
5624 AddOnePiece(board, p, 0, DARK);
5626 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5629 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5630 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5631 // but we leave King and Rooks for last, to possibly obey FRC restriction
5632 if(p == (int)WhiteRook) continue;
5633 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5634 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5637 // now everything is placed, except perhaps King (Unicorn) and Rooks
5639 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5640 // Last King gets castling rights
5641 while(piecesLeft[(int)WhiteUnicorn]) {
5642 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5643 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5646 while(piecesLeft[(int)WhiteKing]) {
5647 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5648 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5653 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5654 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5657 // Only Rooks can be left; simply place them all
5658 while(piecesLeft[(int)WhiteRook]) {
5659 i = put(board, WhiteRook, 0, 0, ANY);
5660 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5663 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5665 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5668 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5669 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5672 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5676 SetCharTable (char *table, const char * map)
5677 /* [HGM] moved here from winboard.c because of its general usefulness */
5678 /* Basically a safe strcpy that uses the last character as King */
5680 int result = FALSE; int NrPieces;
5682 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5683 && NrPieces >= 12 && !(NrPieces&1)) {
5684 int i; /* [HGM] Accept even length from 12 to 34 */
5686 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5687 for( i=0; i<NrPieces/2-1; i++ ) {
5689 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5691 table[(int) WhiteKing] = map[NrPieces/2-1];
5692 table[(int) BlackKing] = map[NrPieces-1];
5701 Prelude (Board board)
5702 { // [HGM] superchess: random selection of exo-pieces
5703 int i, j, k; ChessSquare p;
5704 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5706 GetPositionNumber(); // use FRC position number
5708 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5709 SetCharTable(pieceToChar, appData.pieceToCharTable);
5710 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5711 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5714 j = seed%4; seed /= 4;
5715 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5716 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5717 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5718 j = seed%3 + (seed%3 >= j); seed /= 3;
5719 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5720 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5721 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5722 j = seed%3; seed /= 3;
5723 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5724 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5725 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5726 j = seed%2 + (seed%2 >= j); seed /= 2;
5727 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5728 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5729 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5730 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5731 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5732 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5733 put(board, exoPieces[0], 0, 0, ANY);
5734 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5738 InitPosition (int redraw)
5740 ChessSquare (* pieces)[BOARD_FILES];
5741 int i, j, pawnRow, overrule,
5742 oldx = gameInfo.boardWidth,
5743 oldy = gameInfo.boardHeight,
5744 oldh = gameInfo.holdingsWidth;
5747 if(appData.icsActive) shuffleOpenings = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5749 /* [AS] Initialize pv info list [HGM] and game status */
5751 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
5752 pvInfoList[i].depth = 0;
5753 boards[i][EP_STATUS] = EP_NONE;
5754 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
5757 initialRulePlies = 0; /* 50-move counter start */
5759 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
5760 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
5764 /* [HGM] logic here is completely changed. In stead of full positions */
5765 /* the initialized data only consist of the two backranks. The switch */
5766 /* selects which one we will use, which is than copied to the Board */
5767 /* initialPosition, which for the rest is initialized by Pawns and */
5768 /* empty squares. This initial position is then copied to boards[0], */
5769 /* possibly after shuffling, so that it remains available. */
5771 gameInfo.holdingsWidth = 0; /* default board sizes */
5772 gameInfo.boardWidth = 8;
5773 gameInfo.boardHeight = 8;
5774 gameInfo.holdingsSize = 0;
5775 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
5776 for(i=0; i<BOARD_FILES-2; i++)
5777 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
5778 initialPosition[EP_STATUS] = EP_NONE;
5779 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
5780 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
5781 SetCharTable(pieceNickName, appData.pieceNickNames);
5782 else SetCharTable(pieceNickName, "............");
5785 switch (gameInfo.variant) {
5786 case VariantFischeRandom:
5787 shuffleOpenings = TRUE;
5790 case VariantShatranj:
5791 pieces = ShatranjArray;
5792 nrCastlingRights = 0;
5793 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
5796 pieces = makrukArray;
5797 nrCastlingRights = 0;
5798 startedFromSetupPosition = TRUE;
5799 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
5801 case VariantTwoKings:
5802 pieces = twoKingsArray;
5805 pieces = GrandArray;
5806 nrCastlingRights = 0;
5807 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5808 gameInfo.boardWidth = 10;
5809 gameInfo.boardHeight = 10;
5810 gameInfo.holdingsSize = 7;
5812 case VariantCapaRandom:
5813 shuffleOpenings = TRUE;
5814 case VariantCapablanca:
5815 pieces = CapablancaArray;
5816 gameInfo.boardWidth = 10;
5817 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5820 pieces = GothicArray;
5821 gameInfo.boardWidth = 10;
5822 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
5825 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
5826 gameInfo.holdingsSize = 7;
5829 pieces = JanusArray;
5830 gameInfo.boardWidth = 10;
5831 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
5832 nrCastlingRights = 6;
5833 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5834 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5835 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
5836 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5837 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5838 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
5841 pieces = FalconArray;
5842 gameInfo.boardWidth = 10;
5843 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
5845 case VariantXiangqi:
5846 pieces = XiangqiArray;
5847 gameInfo.boardWidth = 9;
5848 gameInfo.boardHeight = 10;
5849 nrCastlingRights = 0;
5850 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
5853 pieces = ShogiArray;
5854 gameInfo.boardWidth = 9;
5855 gameInfo.boardHeight = 9;
5856 gameInfo.holdingsSize = 7;
5857 nrCastlingRights = 0;
5858 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
5860 case VariantCourier:
5861 pieces = CourierArray;
5862 gameInfo.boardWidth = 12;
5863 nrCastlingRights = 0;
5864 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
5866 case VariantKnightmate:
5867 pieces = KnightmateArray;
5868 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
5870 case VariantSpartan:
5871 pieces = SpartanArray;
5872 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
5875 pieces = fairyArray;
5876 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
5879 pieces = GreatArray;
5880 gameInfo.boardWidth = 10;
5881 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
5882 gameInfo.holdingsSize = 8;
5886 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
5887 gameInfo.holdingsSize = 8;
5888 startedFromSetupPosition = TRUE;
5890 case VariantCrazyhouse:
5891 case VariantBughouse:
5893 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
5894 gameInfo.holdingsSize = 5;
5896 case VariantWildCastle:
5898 /* !!?shuffle with kings guaranteed to be on d or e file */
5899 shuffleOpenings = 1;
5901 case VariantNoCastle:
5903 nrCastlingRights = 0;
5904 /* !!?unconstrained back-rank shuffle */
5905 shuffleOpenings = 1;
5910 if(appData.NrFiles >= 0) {
5911 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
5912 gameInfo.boardWidth = appData.NrFiles;
5914 if(appData.NrRanks >= 0) {
5915 gameInfo.boardHeight = appData.NrRanks;
5917 if(appData.holdingsSize >= 0) {
5918 i = appData.holdingsSize;
5919 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
5920 gameInfo.holdingsSize = i;
5922 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
5923 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
5924 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
5926 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
5927 if(pawnRow < 1) pawnRow = 1;
5928 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) pawnRow = 2;
5930 /* User pieceToChar list overrules defaults */
5931 if(appData.pieceToCharTable != NULL)
5932 SetCharTable(pieceToChar, appData.pieceToCharTable);
5934 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
5936 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
5937 s = (ChessSquare) 0; /* account holding counts in guard band */
5938 for( i=0; i<BOARD_HEIGHT; i++ )
5939 initialPosition[i][j] = s;
5941 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
5942 initialPosition[gameInfo.variant == VariantGrand][j] = pieces[0][j-gameInfo.holdingsWidth];
5943 initialPosition[pawnRow][j] = WhitePawn;
5944 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
5945 if(gameInfo.variant == VariantXiangqi) {
5947 initialPosition[pawnRow][j] =
5948 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
5949 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
5950 initialPosition[2][j] = WhiteCannon;
5951 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
5955 if(gameInfo.variant == VariantGrand) {
5956 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
5957 initialPosition[0][j] = WhiteRook;
5958 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
5961 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand)][j] = pieces[1][j-gameInfo.holdingsWidth];
5963 if( (gameInfo.variant == VariantShogi) && !overrule ) {
5966 initialPosition[1][j] = WhiteBishop;
5967 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
5969 initialPosition[1][j] = WhiteRook;
5970 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
5973 if( nrCastlingRights == -1) {
5974 /* [HGM] Build normal castling rights (must be done after board sizing!) */
5975 /* This sets default castling rights from none to normal corners */
5976 /* Variants with other castling rights must set them themselves above */
5977 nrCastlingRights = 6;
5979 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
5980 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
5981 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
5982 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
5983 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
5984 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
5987 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
5988 if(gameInfo.variant == VariantGreat) { // promotion commoners
5989 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
5990 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
5991 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
5992 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
5994 if( gameInfo.variant == VariantSChess ) {
5995 initialPosition[1][0] = BlackMarshall;
5996 initialPosition[2][0] = BlackAngel;
5997 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
5998 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
5999 initialPosition[1][1] = initialPosition[2][1] =
6000 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6002 if (appData.debugMode) {
6003 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6005 if(shuffleOpenings) {
6006 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6007 startedFromSetupPosition = TRUE;
6009 if(startedFromPositionFile) {
6010 /* [HGM] loadPos: use PositionFile for every new game */
6011 CopyBoard(initialPosition, filePosition);
6012 for(i=0; i<nrCastlingRights; i++)
6013 initialRights[i] = filePosition[CASTLING][i];
6014 startedFromSetupPosition = TRUE;
6017 CopyBoard(boards[0], initialPosition);
6019 if(oldx != gameInfo.boardWidth ||
6020 oldy != gameInfo.boardHeight ||
6021 oldv != gameInfo.variant ||
6022 oldh != gameInfo.holdingsWidth
6024 InitDrawingSizes(-2 ,0);
6026 oldv = gameInfo.variant;
6028 DrawPosition(TRUE, boards[currentMove]);
6032 SendBoard (ChessProgramState *cps, int moveNum)
6034 char message[MSG_SIZ];
6036 if (cps->useSetboard) {
6037 char* fen = PositionToFEN(moveNum, cps->fenOverride);
6038 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6039 SendToProgram(message, cps);
6044 int i, j, left=0, right=BOARD_WIDTH;
6045 /* Kludge to set black to move, avoiding the troublesome and now
6046 * deprecated "black" command.
6048 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6049 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6051 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6053 SendToProgram("edit\n", cps);
6054 SendToProgram("#\n", cps);
6055 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6056 bp = &boards[moveNum][i][left];
6057 for (j = left; j < right; j++, bp++) {
6058 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6059 if ((int) *bp < (int) BlackPawn) {
6060 if(j == BOARD_RGHT+1)
6061 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6062 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6063 if(message[0] == '+' || message[0] == '~') {
6064 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6065 PieceToChar((ChessSquare)(DEMOTED *bp)),
6068 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6069 message[1] = BOARD_RGHT - 1 - j + '1';
6070 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6072 SendToProgram(message, cps);
6077 SendToProgram("c\n", cps);
6078 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6079 bp = &boards[moveNum][i][left];
6080 for (j = left; j < right; j++, bp++) {
6081 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6082 if (((int) *bp != (int) EmptySquare)
6083 && ((int) *bp >= (int) BlackPawn)) {
6084 if(j == BOARD_LEFT-2)
6085 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6086 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6088 if(message[0] == '+' || message[0] == '~') {
6089 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6090 PieceToChar((ChessSquare)(DEMOTED *bp)),
6093 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6094 message[1] = BOARD_RGHT - 1 - j + '1';
6095 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6097 SendToProgram(message, cps);
6102 SendToProgram(".\n", cps);
6104 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6108 DefaultPromoChoice (int white)
6111 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk)
6112 result = WhiteFerz; // no choice
6113 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6114 result= WhiteKing; // in Suicide Q is the last thing we want
6115 else if(gameInfo.variant == VariantSpartan)
6116 result = white ? WhiteQueen : WhiteAngel;
6117 else result = WhiteQueen;
6118 if(!white) result = WHITE_TO_BLACK result;
6122 static int autoQueen; // [HGM] oneclick
6125 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6127 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6128 /* [HGM] add Shogi promotions */
6129 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6134 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6135 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6137 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6138 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6141 piece = boards[currentMove][fromY][fromX];
6142 if(gameInfo.variant == VariantShogi) {
6143 promotionZoneSize = BOARD_HEIGHT/3;
6144 highestPromotingPiece = (int)WhiteFerz;
6145 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand) {
6146 promotionZoneSize = 3;
6149 // Treat Lance as Pawn when it is not representing Amazon
6150 if(gameInfo.variant != VariantSuper) {
6151 if(piece == WhiteLance) piece = WhitePawn; else
6152 if(piece == BlackLance) piece = BlackPawn;
6155 // next weed out all moves that do not touch the promotion zone at all
6156 if((int)piece >= BlackPawn) {
6157 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6159 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6161 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6162 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6165 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6167 // weed out mandatory Shogi promotions
6168 if(gameInfo.variant == VariantShogi) {
6169 if(piece >= BlackPawn) {
6170 if(toY == 0 && piece == BlackPawn ||
6171 toY == 0 && piece == BlackQueen ||
6172 toY <= 1 && piece == BlackKnight) {
6177 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6178 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6179 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6186 // weed out obviously illegal Pawn moves
6187 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6188 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6189 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6190 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6191 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6192 // note we are not allowed to test for valid (non-)capture, due to premove
6195 // we either have a choice what to promote to, or (in Shogi) whether to promote
6196 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier || gameInfo.variant == VariantMakruk) {
6197 *promoChoice = PieceToChar(BlackFerz); // no choice
6200 // no sense asking what we must promote to if it is going to explode...
6201 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6202 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6205 // give caller the default choice even if we will not make it
6206 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6207 if(gameInfo.variant == VariantShogi) *promoChoice = (defaultPromoChoice == piece ? '=' : '+');
6208 if( sweepSelect && gameInfo.variant != VariantGreat
6209 && gameInfo.variant != VariantGrand
6210 && gameInfo.variant != VariantSuper) return FALSE;
6211 if(autoQueen) return FALSE; // predetermined
6213 // suppress promotion popup on illegal moves that are not premoves
6214 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6215 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6216 if(appData.testLegality && !premove) {
6217 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6218 fromY, fromX, toY, toX, gameInfo.variant == VariantShogi ? '+' : NULLCHAR);
6219 if(moveType != WhitePromotion && moveType != BlackPromotion)
6227 InPalace (int row, int column)
6228 { /* [HGM] for Xiangqi */
6229 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6230 column < (BOARD_WIDTH + 4)/2 &&
6231 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6236 PieceForSquare (int x, int y)
6238 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6241 return boards[currentMove][y][x];
6245 OKToStartUserMove (int x, int y)
6247 ChessSquare from_piece;
6250 if (matchMode) return FALSE;
6251 if (gameMode == EditPosition) return TRUE;
6253 if (x >= 0 && y >= 0)
6254 from_piece = boards[currentMove][y][x];
6256 from_piece = EmptySquare;
6258 if (from_piece == EmptySquare) return FALSE;
6260 white_piece = (int)from_piece >= (int)WhitePawn &&
6261 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6265 case TwoMachinesPlay:
6273 case MachinePlaysWhite:
6274 case IcsPlayingBlack:
6275 if (appData.zippyPlay) return FALSE;
6277 DisplayMoveError(_("You are playing Black"));
6282 case MachinePlaysBlack:
6283 case IcsPlayingWhite:
6284 if (appData.zippyPlay) return FALSE;
6286 DisplayMoveError(_("You are playing White"));
6291 case PlayFromGameFile:
6292 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6294 if (!white_piece && WhiteOnMove(currentMove)) {
6295 DisplayMoveError(_("It is White's turn"));
6298 if (white_piece && !WhiteOnMove(currentMove)) {
6299 DisplayMoveError(_("It is Black's turn"));
6302 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6303 /* Editing correspondence game history */
6304 /* Could disallow this or prompt for confirmation */
6309 case BeginningOfGame:
6310 if (appData.icsActive) return FALSE;
6311 if (!appData.noChessProgram) {
6313 DisplayMoveError(_("You are playing White"));
6320 if (!white_piece && WhiteOnMove(currentMove)) {
6321 DisplayMoveError(_("It is White's turn"));
6324 if (white_piece && !WhiteOnMove(currentMove)) {
6325 DisplayMoveError(_("It is Black's turn"));
6334 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6335 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6336 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6337 && gameMode != AnalyzeFile && gameMode != Training) {
6338 DisplayMoveError(_("Displayed position is not current"));
6345 OnlyMove (int *x, int *y, Boolean captures)
6347 DisambiguateClosure cl;
6348 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6350 case MachinePlaysBlack:
6351 case IcsPlayingWhite:
6352 case BeginningOfGame:
6353 if(!WhiteOnMove(currentMove)) return FALSE;
6355 case MachinePlaysWhite:
6356 case IcsPlayingBlack:
6357 if(WhiteOnMove(currentMove)) return FALSE;
6364 cl.pieceIn = EmptySquare;
6369 cl.promoCharIn = NULLCHAR;
6370 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6371 if( cl.kind == NormalMove ||
6372 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6373 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6374 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6381 if(cl.kind != ImpossibleMove) return FALSE;
6382 cl.pieceIn = EmptySquare;
6387 cl.promoCharIn = NULLCHAR;
6388 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6389 if( cl.kind == NormalMove ||
6390 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6391 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6392 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6397 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6403 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6404 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6405 int lastLoadGameUseList = FALSE;
6406 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6407 ChessMove lastLoadGameStart = EndOfFile;
6408 int doubleClick, mappedMove = -1;
6411 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6414 ChessSquare pdown, pup;
6415 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6416 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6419 /* Check if the user is playing in turn. This is complicated because we
6420 let the user "pick up" a piece before it is his turn. So the piece he
6421 tried to pick up may have been captured by the time he puts it down!
6422 Therefore we use the color the user is supposed to be playing in this
6423 test, not the color of the piece that is currently on the starting
6424 square---except in EditGame mode, where the user is playing both
6425 sides; fortunately there the capture race can't happen. (It can
6426 now happen in IcsExamining mode, but that's just too bad. The user
6427 will get a somewhat confusing message in that case.)
6432 case TwoMachinesPlay:
6436 /* We switched into a game mode where moves are not accepted,
6437 perhaps while the mouse button was down. */
6440 case MachinePlaysWhite:
6441 /* User is moving for Black */
6442 if (WhiteOnMove(currentMove)) {
6443 DisplayMoveError(_("It is White's turn"));
6448 case MachinePlaysBlack:
6449 /* User is moving for White */
6450 if (!WhiteOnMove(currentMove)) {
6451 DisplayMoveError(_("It is Black's turn"));
6456 case PlayFromGameFile:
6457 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6460 case BeginningOfGame:
6463 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6464 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6465 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6466 /* User is moving for Black */
6467 if (WhiteOnMove(currentMove)) {
6468 DisplayMoveError(_("It is White's turn"));
6472 /* User is moving for White */
6473 if (!WhiteOnMove(currentMove)) {
6474 DisplayMoveError(_("It is Black's turn"));
6480 case IcsPlayingBlack:
6481 /* User is moving for Black */
6482 if (WhiteOnMove(currentMove)) {
6483 if (!appData.premove) {
6484 DisplayMoveError(_("It is White's turn"));
6485 } else if (toX >= 0 && toY >= 0) {
6488 premoveFromX = fromX;
6489 premoveFromY = fromY;
6490 premovePromoChar = promoChar;
6492 if (appData.debugMode)
6493 fprintf(debugFP, "Got premove: fromX %d,"
6494 "fromY %d, toX %d, toY %d\n",
6495 fromX, fromY, toX, toY);
6501 case IcsPlayingWhite:
6502 /* User is moving for White */
6503 if (!WhiteOnMove(currentMove)) {
6504 if (!appData.premove) {
6505 DisplayMoveError(_("It is Black's turn"));
6506 } else if (toX >= 0 && toY >= 0) {
6509 premoveFromX = fromX;
6510 premoveFromY = fromY;
6511 premovePromoChar = promoChar;
6513 if (appData.debugMode)
6514 fprintf(debugFP, "Got premove: fromX %d,"
6515 "fromY %d, toX %d, toY %d\n",
6516 fromX, fromY, toX, toY);
6526 /* EditPosition, empty square, or different color piece;
6527 click-click move is possible */
6528 if (toX == -2 || toY == -2) {
6529 boards[0][fromY][fromX] = EmptySquare;
6530 DrawPosition(FALSE, boards[currentMove]);
6532 } else if (toX >= 0 && toY >= 0) {
6533 boards[0][toY][toX] = boards[0][fromY][fromX];
6534 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6535 if(boards[0][fromY][0] != EmptySquare) {
6536 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6537 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6540 if(fromX == BOARD_RGHT+1) {
6541 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6542 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6543 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6546 boards[0][fromY][fromX] = EmptySquare;
6547 DrawPosition(FALSE, boards[currentMove]);
6553 if(doubleClick && (toX == -2 || toY == -2)) { // [HGM] exclude: off-board move means exclude all
6554 int i; // note that drop moves still have holdings coords as from-square at this point
6555 ChessMove moveType; char pc;
6556 for(i=0; i<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; i++) excludeMap[i] = -(toY == -2);
6557 mappedMove = currentMove;
6558 if(toY != -2) { SendToProgram("include all\n", &first); return; }
6559 SendToProgram("exclude all\n", &first);
6560 i = ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &pc);
6561 ff=fromX, rf=fromY, ft=toX, rt=toY, promoChar = pc; // make copy that will survive drop encoding
6562 if(!i) return; // kludge: continue with move changed to engine's last-reported best, so it gets included again.
6565 if(toX < 0 || toY < 0) return;
6566 pdown = boards[currentMove][fromY][fromX];
6567 pup = boards[currentMove][toY][toX];
6569 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6570 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6571 if( pup != EmptySquare ) return;
6572 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6573 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6574 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6575 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6576 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6577 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6578 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6582 /* [HGM] always test for legality, to get promotion info */
6583 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6584 fromY, fromX, toY, toX, promoChar);
6586 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6588 /* [HGM] but possibly ignore an IllegalMove result */
6589 if (appData.testLegality) {
6590 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6591 DisplayMoveError(_("Illegal move"));
6596 if(doubleClick) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6597 int i=(BOARD_FILES*rf+ff)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*rt+ft), j;
6599 if(mappedMove != currentMove)
6600 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = 0;
6602 snprintf(buf, MSG_SIZ, "%sclude ", excludeMap[i] & 1<<j ? "in" : "ex");
6603 if(excludeMap[i] & 1<<j) ClearPremoveHighlights();
6604 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt);
6605 if(!promoChar) excludeMap[i] ^= 1<<j; mappedMove = currentMove;
6606 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6607 SendToProgram(buf, &first);
6611 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
6614 /* Common tail of UserMoveEvent and DropMenuEvent */
6616 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
6620 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
6621 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
6622 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
6623 if(WhiteOnMove(currentMove)) {
6624 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
6626 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
6630 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
6631 move type in caller when we know the move is a legal promotion */
6632 if(moveType == NormalMove && promoChar)
6633 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
6635 /* [HGM] <popupFix> The following if has been moved here from
6636 UserMoveEvent(). Because it seemed to belong here (why not allow
6637 piece drops in training games?), and because it can only be
6638 performed after it is known to what we promote. */
6639 if (gameMode == Training) {
6640 /* compare the move played on the board to the next move in the
6641 * game. If they match, display the move and the opponent's response.
6642 * If they don't match, display an error message.
6646 CopyBoard(testBoard, boards[currentMove]);
6647 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
6649 if (CompareBoards(testBoard, boards[currentMove+1])) {
6650 ForwardInner(currentMove+1);
6652 /* Autoplay the opponent's response.
6653 * if appData.animate was TRUE when Training mode was entered,
6654 * the response will be animated.
6656 saveAnimate = appData.animate;
6657 appData.animate = animateTraining;
6658 ForwardInner(currentMove+1);
6659 appData.animate = saveAnimate;
6661 /* check for the end of the game */
6662 if (currentMove >= forwardMostMove) {
6663 gameMode = PlayFromGameFile;
6665 SetTrainingModeOff();
6666 DisplayInformation(_("End of game"));
6669 DisplayError(_("Incorrect move"), 0);
6674 /* Ok, now we know that the move is good, so we can kill
6675 the previous line in Analysis Mode */
6676 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
6677 && currentMove < forwardMostMove) {
6678 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
6679 else forwardMostMove = currentMove;
6682 /* If we need the chess program but it's dead, restart it */
6683 ResurrectChessProgram();
6685 /* A user move restarts a paused game*/
6689 thinkOutput[0] = NULLCHAR;
6691 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
6693 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
6694 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6698 if (gameMode == BeginningOfGame) {
6699 if (appData.noChessProgram) {
6700 gameMode = EditGame;
6704 gameMode = MachinePlaysBlack;
6707 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
6709 if (first.sendName) {
6710 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
6711 SendToProgram(buf, &first);
6718 /* Relay move to ICS or chess engine */
6719 if (appData.icsActive) {
6720 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
6721 gameMode == IcsExamining) {
6722 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
6723 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
6725 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6727 // also send plain move, in case ICS does not understand atomic claims
6728 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
6732 if (first.sendTime && (gameMode == BeginningOfGame ||
6733 gameMode == MachinePlaysWhite ||
6734 gameMode == MachinePlaysBlack)) {
6735 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
6737 if (gameMode != EditGame && gameMode != PlayFromGameFile) {
6738 // [HGM] book: if program might be playing, let it use book
6739 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
6740 first.maybeThinking = TRUE;
6741 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
6742 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
6743 SendBoard(&first, currentMove+1);
6744 } else SendMoveToProgram(forwardMostMove-1, &first);
6745 if (currentMove == cmailOldMove + 1) {
6746 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
6750 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
6754 if(appData.testLegality)
6755 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
6761 if (WhiteOnMove(currentMove)) {
6762 GameEnds(BlackWins, "Black mates", GE_PLAYER);
6764 GameEnds(WhiteWins, "White mates", GE_PLAYER);
6768 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
6773 case MachinePlaysBlack:
6774 case MachinePlaysWhite:
6775 /* disable certain menu options while machine is thinking */
6776 SetMachineThinkingEnables();
6783 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
6784 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
6786 if(bookHit) { // [HGM] book: simulate book reply
6787 static char bookMove[MSG_SIZ]; // a bit generous?
6789 programStats.nodes = programStats.depth = programStats.time =
6790 programStats.score = programStats.got_only_move = 0;
6791 sprintf(programStats.movelist, "%s (xbook)", bookHit);
6793 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
6794 strcat(bookMove, bookHit);
6795 HandleMachineMove(bookMove, &first);
6801 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
6803 typedef char Markers[BOARD_RANKS][BOARD_FILES];
6804 Markers *m = (Markers *) closure;
6805 if(rf == fromY && ff == fromX)
6806 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
6807 || kind == WhiteCapturesEnPassant
6808 || kind == BlackCapturesEnPassant);
6809 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
6813 MarkTargetSquares (int clear)
6816 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
6817 !appData.testLegality || gameMode == EditPosition) return;
6819 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) marker[y][x] = 0;
6822 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
6823 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
6824 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
6826 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
6829 DrawPosition(TRUE, NULL);
6833 Explode (Board board, int fromX, int fromY, int toX, int toY)
6835 if(gameInfo.variant == VariantAtomic &&
6836 (board[toY][toX] != EmptySquare || // capture?
6837 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
6838 board[fromY][fromX] == BlackPawn )
6840 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
6846 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
6849 CanPromote (ChessSquare piece, int y)
6851 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
6852 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
6853 if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantXiangqi ||
6854 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
6855 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6856 gameInfo.variant == VariantMakruk) return FALSE;
6857 return (piece == BlackPawn && y == 1 ||
6858 piece == WhitePawn && y == BOARD_HEIGHT-2 ||
6859 piece == BlackLance && y == 1 ||
6860 piece == WhiteLance && y == BOARD_HEIGHT-2 );
6864 LeftClick (ClickType clickType, int xPix, int yPix)
6867 Boolean saveAnimate;
6868 static int second = 0, promotionChoice = 0, clearFlag = 0;
6869 char promoChoice = NULLCHAR;
6871 static TimeMark lastClickTime, prevClickTime;
6873 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
6875 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
6877 if (clickType == Press) ErrorPopDown();
6879 x = EventToSquare(xPix, BOARD_WIDTH);
6880 y = EventToSquare(yPix, BOARD_HEIGHT);
6881 if (!flipView && y >= 0) {
6882 y = BOARD_HEIGHT - 1 - y;
6884 if (flipView && x >= 0) {
6885 x = BOARD_WIDTH - 1 - x;
6888 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
6889 defaultPromoChoice = promoSweep;
6890 promoSweep = EmptySquare; // terminate sweep
6891 promoDefaultAltered = TRUE;
6892 if(!selectFlag && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
6895 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
6896 if(clickType == Release) return; // ignore upclick of click-click destination
6897 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
6898 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
6899 if(gameInfo.holdingsWidth &&
6900 (WhiteOnMove(currentMove)
6901 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
6902 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
6903 // click in right holdings, for determining promotion piece
6904 ChessSquare p = boards[currentMove][y][x];
6905 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
6906 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
6907 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
6908 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
6913 DrawPosition(FALSE, boards[currentMove]);
6917 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
6918 if(clickType == Press
6919 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
6920 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
6921 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
6924 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
6925 // could be static click on premove from-square: abort premove
6927 ClearPremoveHighlights();
6930 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
6931 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
6933 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
6934 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
6935 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
6936 defaultPromoChoice = DefaultPromoChoice(side);
6939 autoQueen = appData.alwaysPromoteToQueen;
6943 gatingPiece = EmptySquare;
6944 if (clickType != Press) {
6945 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
6946 DragPieceEnd(xPix, yPix); dragging = 0;
6947 DrawPosition(FALSE, NULL);
6951 doubleClick = FALSE;
6952 fromX = x; fromY = y; toX = toY = -1;
6953 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
6954 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
6955 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
6957 if (OKToStartUserMove(fromX, fromY)) {
6959 MarkTargetSquares(0);
6960 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
6961 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
6962 promoSweep = defaultPromoChoice;
6963 selectFlag = 0; lastX = xPix; lastY = yPix;
6964 Sweep(0); // Pawn that is going to promote: preview promotion piece
6965 DisplayMessage("", _("Pull pawn backwards to under-promote"));
6967 if (appData.highlightDragging) {
6968 SetHighlights(fromX, fromY, -1, -1);
6970 } else fromX = fromY = -1;
6976 if (clickType == Press && gameMode != EditPosition) {
6981 // ignore off-board to clicks
6982 if(y < 0 || x < 0) return;
6984 /* Check if clicking again on the same color piece */
6985 fromP = boards[currentMove][fromY][fromX];
6986 toP = boards[currentMove][y][x];
6987 frc = gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom || gameInfo.variant == VariantSChess;
6988 if ((WhitePawn <= fromP && fromP <= WhiteKing &&
6989 WhitePawn <= toP && toP <= WhiteKing &&
6990 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
6991 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
6992 (BlackPawn <= fromP && fromP <= BlackKing &&
6993 BlackPawn <= toP && toP <= BlackKing &&
6994 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
6995 !(fromP == BlackKing && toP == BlackRook && frc))) {
6996 /* Clicked again on same color piece -- changed his mind */
6997 second = (x == fromX && y == fromY);
6998 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
6999 second = FALSE; // first double-click rather than scond click
7000 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7002 promoDefaultAltered = FALSE;
7003 MarkTargetSquares(1);
7004 if(!second || appData.oneClick && !OnlyMove(&x, &y, TRUE)) {
7005 if (appData.highlightDragging) {
7006 SetHighlights(x, y, -1, -1);
7010 if (OKToStartUserMove(x, y)) {
7011 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7012 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7013 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7014 gatingPiece = boards[currentMove][fromY][fromX];
7015 else gatingPiece = doubleClick ? fromP : EmptySquare;
7017 fromY = y; dragging = 1;
7018 MarkTargetSquares(0);
7019 DragPieceBegin(xPix, yPix, FALSE);
7020 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7021 promoSweep = defaultPromoChoice;
7022 selectFlag = 0; lastX = xPix; lastY = yPix;
7023 Sweep(0); // Pawn that is going to promote: preview promotion piece
7027 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7030 // ignore clicks on holdings
7031 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7034 if (clickType == Release && x == fromX && y == fromY) {
7035 DragPieceEnd(xPix, yPix); dragging = 0;
7037 // a deferred attempt to click-click move an empty square on top of a piece
7038 boards[currentMove][y][x] = EmptySquare;
7040 DrawPosition(FALSE, boards[currentMove]);
7041 fromX = fromY = -1; clearFlag = 0;
7044 if (appData.animateDragging) {
7045 /* Undo animation damage if any */
7046 DrawPosition(FALSE, NULL);
7049 /* Second up/down in same square; just abort move */
7052 gatingPiece = EmptySquare;
7055 ClearPremoveHighlights();
7057 /* First upclick in same square; start click-click mode */
7058 SetHighlights(x, y, -1, -1);
7065 /* we now have a different from- and (possibly off-board) to-square */
7066 /* Completed move */
7069 saveAnimate = appData.animate;
7070 MarkTargetSquares(1);
7071 if (clickType == Press) {
7072 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7073 // must be Edit Position mode with empty-square selected
7074 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7075 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7078 if(appData.sweepSelect && HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7079 ChessSquare piece = boards[currentMove][fromY][fromX];
7080 DragPieceBegin(xPix, yPix, TRUE); dragging = 1;
7081 promoSweep = defaultPromoChoice;
7082 if(PieceToChar(PROMOTED piece) == '+') promoSweep = PROMOTED piece;
7083 selectFlag = 0; lastX = xPix; lastY = yPix;
7084 Sweep(0); // Pawn that is going to promote: preview promotion piece
7085 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7086 DrawPosition(FALSE, boards[currentMove]);
7089 /* Finish clickclick move */
7090 if (appData.animate || appData.highlightLastMove) {
7091 SetHighlights(fromX, fromY, toX, toY);
7096 /* Finish drag move */
7097 if (appData.highlightLastMove) {
7098 SetHighlights(fromX, fromY, toX, toY);
7102 DragPieceEnd(xPix, yPix); dragging = 0;
7103 /* Don't animate move and drag both */
7104 appData.animate = FALSE;
7107 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7108 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7109 ChessSquare piece = boards[currentMove][fromY][fromX];
7110 if(gameMode == EditPosition && piece != EmptySquare &&
7111 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7114 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7115 n = PieceToNumber(piece - (int)BlackPawn);
7116 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7117 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7118 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7120 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7121 n = PieceToNumber(piece);
7122 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7123 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7124 boards[currentMove][n][BOARD_WIDTH-2]++;
7126 boards[currentMove][fromY][fromX] = EmptySquare;
7130 DrawPosition(TRUE, boards[currentMove]);
7134 // off-board moves should not be highlighted
7135 if(x < 0 || y < 0) ClearHighlights();
7137 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7139 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7140 SetHighlights(fromX, fromY, toX, toY);
7141 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7142 // [HGM] super: promotion to captured piece selected from holdings
7143 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7144 promotionChoice = TRUE;
7145 // kludge follows to temporarily execute move on display, without promoting yet
7146 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7147 boards[currentMove][toY][toX] = p;
7148 DrawPosition(FALSE, boards[currentMove]);
7149 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7150 boards[currentMove][toY][toX] = q;
7151 DisplayMessage("Click in holdings to choose piece", "");
7156 int oldMove = currentMove;
7157 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7158 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7159 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7160 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7161 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7162 DrawPosition(TRUE, boards[currentMove]);
7165 appData.animate = saveAnimate;
7166 if (appData.animate || appData.animateDragging) {
7167 /* Undo animation damage if needed */
7168 DrawPosition(FALSE, NULL);
7173 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7174 { // front-end-free part taken out of PieceMenuPopup
7175 int whichMenu; int xSqr, ySqr;
7177 if(seekGraphUp) { // [HGM] seekgraph
7178 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7179 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7183 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7184 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7185 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7186 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7187 if(action == Press) {
7188 originalFlip = flipView;
7189 flipView = !flipView; // temporarily flip board to see game from partners perspective
7190 DrawPosition(TRUE, partnerBoard);
7191 DisplayMessage(partnerStatus, "");
7193 } else if(action == Release) {
7194 flipView = originalFlip;
7195 DrawPosition(TRUE, boards[currentMove]);
7201 xSqr = EventToSquare(x, BOARD_WIDTH);
7202 ySqr = EventToSquare(y, BOARD_HEIGHT);
7203 if (action == Release) {
7204 if(pieceSweep != EmptySquare) {
7205 EditPositionMenuEvent(pieceSweep, toX, toY);
7206 pieceSweep = EmptySquare;
7207 } else UnLoadPV(); // [HGM] pv
7209 if (action != Press) return -2; // return code to be ignored
7212 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7214 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7215 if (xSqr < 0 || ySqr < 0) return -1;
7216 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7217 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7218 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7219 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7223 if(!appData.icsEngineAnalyze) return -1;
7224 case IcsPlayingWhite:
7225 case IcsPlayingBlack:
7226 if(!appData.zippyPlay) goto noZip;
7229 case MachinePlaysWhite:
7230 case MachinePlaysBlack:
7231 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7232 if (!appData.dropMenu) {
7234 return 2; // flag front-end to grab mouse events
7236 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7237 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7240 if (xSqr < 0 || ySqr < 0) return -1;
7241 if (!appData.dropMenu || appData.testLegality &&
7242 gameInfo.variant != VariantBughouse &&
7243 gameInfo.variant != VariantCrazyhouse) return -1;
7244 whichMenu = 1; // drop menu
7250 if (((*fromX = xSqr) < 0) ||
7251 ((*fromY = ySqr) < 0)) {
7252 *fromX = *fromY = -1;
7256 *fromX = BOARD_WIDTH - 1 - *fromX;
7258 *fromY = BOARD_HEIGHT - 1 - *fromY;
7264 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7266 // char * hint = lastHint;
7267 FrontEndProgramStats stats;
7269 stats.which = cps == &first ? 0 : 1;
7270 stats.depth = cpstats->depth;
7271 stats.nodes = cpstats->nodes;
7272 stats.score = cpstats->score;
7273 stats.time = cpstats->time;
7274 stats.pv = cpstats->movelist;
7275 stats.hint = lastHint;
7276 stats.an_move_index = 0;
7277 stats.an_move_count = 0;
7279 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7280 stats.hint = cpstats->move_name;
7281 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7282 stats.an_move_count = cpstats->nr_moves;
7285 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
7287 SetProgramStats( &stats );
7291 ClearEngineOutputPane (int which)
7293 static FrontEndProgramStats dummyStats;
7294 dummyStats.which = which;
7295 dummyStats.pv = "#";
7296 SetProgramStats( &dummyStats );
7299 #define MAXPLAYERS 500
7302 TourneyStandings (int display)
7304 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7305 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7306 char result, *p, *names[MAXPLAYERS];
7308 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7309 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7310 names[0] = p = strdup(appData.participants);
7311 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7313 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7315 while(result = appData.results[nr]) {
7316 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7317 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7318 wScore = bScore = 0;
7320 case '+': wScore = 2; break;
7321 case '-': bScore = 2; break;
7322 case '=': wScore = bScore = 1; break;
7324 case '*': return strdup("busy"); // tourney not finished
7332 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7333 for(w=0; w<nPlayers; w++) {
7335 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7336 ranking[w] = b; points[w] = bScore; score[b] = -2;
7338 p = malloc(nPlayers*34+1);
7339 for(w=0; w<nPlayers && w<display; w++)
7340 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7346 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7347 { // count all piece types
7349 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7350 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7351 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7354 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7355 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7356 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7357 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7358 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7359 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7364 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7366 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7367 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7369 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7370 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7371 if(myPawns == 2 && nMine == 3) // KPP
7372 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7373 if(myPawns == 1 && nMine == 2) // KP
7374 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7375 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7376 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7377 if(myPawns) return FALSE;
7378 if(pCnt[WhiteRook+side])
7379 return pCnt[BlackRook-side] ||
7380 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7381 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7382 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7383 if(pCnt[WhiteCannon+side]) {
7384 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7385 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7387 if(pCnt[WhiteKnight+side])
7388 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7393 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7395 VariantClass v = gameInfo.variant;
7397 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7398 if(v == VariantShatranj) return TRUE; // always winnable through baring
7399 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7400 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7402 if(v == VariantXiangqi) {
7403 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7405 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7406 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7407 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7408 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7409 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7410 if(stale) // we have at least one last-rank P plus perhaps C
7411 return majors // KPKX
7412 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7414 return pCnt[WhiteFerz+side] // KCAK
7415 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7416 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7417 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7419 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7420 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7422 if(nMine == 1) return FALSE; // bare King
7423 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
7424 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7425 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7426 // by now we have King + 1 piece (or multiple Bishops on the same color)
7427 if(pCnt[WhiteKnight+side])
7428 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7429 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7430 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7432 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7433 if(pCnt[WhiteAlfil+side])
7434 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7435 if(pCnt[WhiteWazir+side])
7436 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7443 CompareWithRights (Board b1, Board b2)
7446 if(!CompareBoards(b1, b2)) return FALSE;
7447 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7448 /* compare castling rights */
7449 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7450 rights++; /* King lost rights, while rook still had them */
7451 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
7452 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
7453 rights++; /* but at least one rook lost them */
7455 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
7457 if( b1[CASTLING][5] != NoRights ) {
7458 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
7465 Adjudicate (ChessProgramState *cps)
7466 { // [HGM] some adjudications useful with buggy engines
7467 // [HGM] adjudicate: made into separate routine, which now can be called after every move
7468 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
7469 // Actually ending the game is now based on the additional internal condition canAdjudicate.
7470 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
7471 int k, count = 0; static int bare = 1;
7472 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
7473 Boolean canAdjudicate = !appData.icsActive;
7475 // most tests only when we understand the game, i.e. legality-checking on
7476 if( appData.testLegality )
7477 { /* [HGM] Some more adjudications for obstinate engines */
7478 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
7479 static int moveCount = 6;
7481 char *reason = NULL;
7483 /* Count what is on board. */
7484 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
7486 /* Some material-based adjudications that have to be made before stalemate test */
7487 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
7488 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
7489 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
7490 if(canAdjudicate && appData.checkMates) {
7492 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7493 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
7494 "Xboard adjudication: King destroyed", GE_XBOARD );
7499 /* Bare King in Shatranj (loses) or Losers (wins) */
7500 if( nrW == 1 || nrB == 1) {
7501 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
7502 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
7503 if(canAdjudicate && appData.checkMates) {
7505 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
7506 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
7507 "Xboard adjudication: Bare king", GE_XBOARD );
7511 if( gameInfo.variant == VariantShatranj && --bare < 0)
7513 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
7514 if(canAdjudicate && appData.checkMates) {
7515 /* but only adjudicate if adjudication enabled */
7517 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
7518 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
7519 "Xboard adjudication: Bare king", GE_XBOARD );
7526 // don't wait for engine to announce game end if we can judge ourselves
7527 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
7529 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
7530 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
7531 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
7532 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
7535 reason = "Xboard adjudication: 3rd check";
7536 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
7546 reason = "Xboard adjudication: Stalemate";
7547 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
7548 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
7549 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
7550 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
7551 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
7552 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
7553 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
7554 EP_CHECKMATE : EP_WINS);
7555 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi)
7556 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
7560 reason = "Xboard adjudication: Checkmate";
7561 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
7565 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
7567 result = GameIsDrawn; break;
7569 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
7571 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
7575 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
7577 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7578 GameEnds( result, reason, GE_XBOARD );
7582 /* Next absolutely insufficient mating material. */
7583 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
7584 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
7585 { /* includes KBK, KNK, KK of KBKB with like Bishops */
7587 /* always flag draws, for judging claims */
7588 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
7590 if(canAdjudicate && appData.materialDraws) {
7591 /* but only adjudicate them if adjudication enabled */
7592 if(engineOpponent) {
7593 SendToProgram("force\n", engineOpponent); // suppress reply
7594 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
7596 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
7601 /* Then some trivial draws (only adjudicate, cannot be claimed) */
7602 if(gameInfo.variant == VariantXiangqi ?
7603 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
7605 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
7606 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
7607 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
7608 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
7610 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
7611 { /* if the first 3 moves do not show a tactical win, declare draw */
7612 if(engineOpponent) {
7613 SendToProgram("force\n", engineOpponent); // suppress reply
7614 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7616 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
7619 } else moveCount = 6;
7622 // Repetition draws and 50-move rule can be applied independently of legality testing
7624 /* Check for rep-draws */
7626 for(k = forwardMostMove-2;
7627 k>=backwardMostMove && k>=forwardMostMove-100 &&
7628 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
7629 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE;
7632 if(CompareBoards(boards[k], boards[forwardMostMove])) {
7633 /* compare castling rights */
7634 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
7635 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
7636 rights++; /* King lost rights, while rook still had them */
7637 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
7638 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
7639 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
7640 rights++; /* but at least one rook lost them */
7642 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
7643 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
7645 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
7646 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
7647 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
7650 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
7651 && appData.drawRepeats > 1) {
7652 /* adjudicate after user-specified nr of repeats */
7653 int result = GameIsDrawn;
7654 char *details = "XBoard adjudication: repetition draw";
7655 if(gameInfo.variant == VariantXiangqi && appData.testLegality) {
7656 // [HGM] xiangqi: check for forbidden perpetuals
7657 int m, ourPerpetual = 1, hisPerpetual = 1;
7658 for(m=forwardMostMove; m>k; m-=2) {
7659 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
7660 ourPerpetual = 0; // the current mover did not always check
7661 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
7662 hisPerpetual = 0; // the opponent did not always check
7664 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
7665 ourPerpetual, hisPerpetual);
7666 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
7667 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7668 details = "Xboard adjudication: perpetual checking";
7670 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
7671 break; // (or we would have caught him before). Abort repetition-checking loop.
7673 // Now check for perpetual chases
7674 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
7675 hisPerpetual = PerpetualChase(k, forwardMostMove);
7676 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
7677 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
7678 static char resdet[MSG_SIZ];
7679 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
7681 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
7683 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
7684 break; // Abort repetition-checking loop.
7686 // if neither of us is checking or chasing all the time, or both are, it is draw
7688 if(engineOpponent) {
7689 SendToProgram("force\n", engineOpponent); // suppress reply
7690 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7692 GameEnds( result, details, GE_XBOARD );
7695 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
7696 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
7700 /* Now we test for 50-move draws. Determine ply count */
7701 count = forwardMostMove;
7702 /* look for last irreversble move */
7703 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
7705 /* if we hit starting position, add initial plies */
7706 if( count == backwardMostMove )
7707 count -= initialRulePlies;
7708 count = forwardMostMove - count;
7709 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
7710 // adjust reversible move counter for checks in Xiangqi
7711 int i = forwardMostMove - count, inCheck = 0, lastCheck;
7712 if(i < backwardMostMove) i = backwardMostMove;
7713 while(i <= forwardMostMove) {
7714 lastCheck = inCheck; // check evasion does not count
7715 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
7716 if(inCheck || lastCheck) count--; // check does not count
7721 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
7722 /* this is used to judge if draw claims are legal */
7723 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
7724 if(engineOpponent) {
7725 SendToProgram("force\n", engineOpponent); // suppress reply
7726 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7728 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
7732 /* if draw offer is pending, treat it as a draw claim
7733 * when draw condition present, to allow engines a way to
7734 * claim draws before making their move to avoid a race
7735 * condition occurring after their move
7737 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
7739 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
7740 p = "Draw claim: 50-move rule";
7741 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
7742 p = "Draw claim: 3-fold repetition";
7743 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
7744 p = "Draw claim: insufficient mating material";
7745 if( p != NULL && canAdjudicate) {
7746 if(engineOpponent) {
7747 SendToProgram("force\n", engineOpponent); // suppress reply
7748 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7750 GameEnds( GameIsDrawn, p, GE_XBOARD );
7755 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
7756 if(engineOpponent) {
7757 SendToProgram("force\n", engineOpponent); // suppress reply
7758 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
7760 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
7767 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
7768 { // [HGM] book: this routine intercepts moves to simulate book replies
7769 char *bookHit = NULL;
7771 //first determine if the incoming move brings opponent into his book
7772 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
7773 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
7774 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
7775 if(bookHit != NULL && !cps->bookSuspend) {
7776 // make sure opponent is not going to reply after receiving move to book position
7777 SendToProgram("force\n", cps);
7778 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
7780 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
7781 // now arrange restart after book miss
7783 // after a book hit we never send 'go', and the code after the call to this routine
7784 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
7785 char buf[MSG_SIZ], *move = bookHit;
7787 int fromX, fromY, toX, toY;
7791 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
7792 &fromX, &fromY, &toX, &toY, &promoChar)) {
7793 (void) CoordsToAlgebraic(boards[forwardMostMove],
7794 PosFlags(forwardMostMove),
7795 fromY, fromX, toY, toX, promoChar, move);
7797 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
7801 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
7802 SendToProgram(buf, cps);
7803 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
7804 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
7805 SendToProgram("go\n", cps);
7806 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
7807 } else { // 'go' might be sent based on 'firstMove' after this routine returns
7808 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
7809 SendToProgram("go\n", cps);
7810 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
7812 return bookHit; // notify caller of hit, so it can take action to send move to opponent
7816 ChessProgramState *savedState;
7818 DeferredBookMove (void)
7820 if(savedState->lastPing != savedState->lastPong)
7821 ScheduleDelayedEvent(DeferredBookMove, 10);
7823 HandleMachineMove(savedMessage, savedState);
7826 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
7829 HandleMachineMove (char *message, ChessProgramState *cps)
7831 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
7832 char realname[MSG_SIZ];
7833 int fromX, fromY, toX, toY;
7840 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
7841 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
7842 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
7843 DisplayError(_("Invalid pairing from pairing engine"), 0);
7846 pairingReceived = 1;
7848 return; // Skim the pairing messages here.
7853 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
7855 * Kludge to ignore BEL characters
7857 while (*message == '\007') message++;
7860 * [HGM] engine debug message: ignore lines starting with '#' character
7862 if(cps->debug && *message == '#') return;
7865 * Look for book output
7867 if (cps == &first && bookRequested) {
7868 if (message[0] == '\t' || message[0] == ' ') {
7869 /* Part of the book output is here; append it */
7870 strcat(bookOutput, message);
7871 strcat(bookOutput, " \n");
7873 } else if (bookOutput[0] != NULLCHAR) {
7874 /* All of book output has arrived; display it */
7875 char *p = bookOutput;
7876 while (*p != NULLCHAR) {
7877 if (*p == '\t') *p = ' ';
7880 DisplayInformation(bookOutput);
7881 bookRequested = FALSE;
7882 /* Fall through to parse the current output */
7887 * Look for machine move.
7889 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
7890 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
7892 /* This method is only useful on engines that support ping */
7893 if (cps->lastPing != cps->lastPong) {
7894 if (gameMode == BeginningOfGame) {
7895 /* Extra move from before last new; ignore */
7896 if (appData.debugMode) {
7897 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7900 if (appData.debugMode) {
7901 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7902 cps->which, gameMode);
7905 SendToProgram("undo\n", cps);
7911 case BeginningOfGame:
7912 /* Extra move from before last reset; ignore */
7913 if (appData.debugMode) {
7914 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
7921 /* Extra move after we tried to stop. The mode test is
7922 not a reliable way of detecting this problem, but it's
7923 the best we can do on engines that don't support ping.
7925 if (appData.debugMode) {
7926 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
7927 cps->which, gameMode);
7929 SendToProgram("undo\n", cps);
7932 case MachinePlaysWhite:
7933 case IcsPlayingWhite:
7934 machineWhite = TRUE;
7937 case MachinePlaysBlack:
7938 case IcsPlayingBlack:
7939 machineWhite = FALSE;
7942 case TwoMachinesPlay:
7943 machineWhite = (cps->twoMachinesColor[0] == 'w');
7946 if (WhiteOnMove(forwardMostMove) != machineWhite) {
7947 if (appData.debugMode) {
7949 "Ignoring move out of turn by %s, gameMode %d"
7950 ", forwardMost %d\n",
7951 cps->which, gameMode, forwardMostMove);
7956 if(cps->alphaRank) AlphaRank(machineMove, 4);
7957 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
7958 &fromX, &fromY, &toX, &toY, &promoChar)) {
7959 /* Machine move could not be parsed; ignore it. */
7960 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
7961 machineMove, _(cps->which));
7962 DisplayError(buf1, 0);
7963 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c) res=%d",
7964 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, moveType);
7965 if (gameMode == TwoMachinesPlay) {
7966 GameEnds(machineWhite ? BlackWins : WhiteWins,
7972 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
7973 /* So we have to redo legality test with true e.p. status here, */
7974 /* to make sure an illegal e.p. capture does not slip through, */
7975 /* to cause a forfeit on a justified illegal-move complaint */
7976 /* of the opponent. */
7977 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
7979 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
7980 fromY, fromX, toY, toX, promoChar);
7981 if(moveType == IllegalMove) {
7982 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
7983 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
7984 GameEnds(machineWhite ? BlackWins : WhiteWins,
7987 } else if(gameInfo.variant != VariantFischeRandom && gameInfo.variant != VariantCapaRandom)
7988 /* [HGM] Kludge to handle engines that send FRC-style castling
7989 when they shouldn't (like TSCP-Gothic) */
7991 case WhiteASideCastleFR:
7992 case BlackASideCastleFR:
7994 currentMoveString[2]++;
7996 case WhiteHSideCastleFR:
7997 case BlackHSideCastleFR:
7999 currentMoveString[2]--;
8001 default: ; // nothing to do, but suppresses warning of pedantic compilers
8004 hintRequested = FALSE;
8005 lastHint[0] = NULLCHAR;
8006 bookRequested = FALSE;
8007 /* Program may be pondering now */
8008 cps->maybeThinking = TRUE;
8009 if (cps->sendTime == 2) cps->sendTime = 1;
8010 if (cps->offeredDraw) cps->offeredDraw--;
8012 /* [AS] Save move info*/
8013 pvInfoList[ forwardMostMove ].score = programStats.score;
8014 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8015 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8017 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8019 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8020 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8023 while( count < adjudicateLossPlies ) {
8024 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8027 score = -score; /* Flip score for winning side */
8030 if( score > adjudicateLossThreshold ) {
8037 if( count >= adjudicateLossPlies ) {
8038 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8040 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8041 "Xboard adjudication",
8048 if(Adjudicate(cps)) {
8049 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8050 return; // [HGM] adjudicate: for all automatic game ends
8054 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8056 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8057 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8059 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8061 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8063 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8064 char buf[3*MSG_SIZ];
8066 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8067 programStats.score / 100.,
8069 programStats.time / 100.,
8070 (unsigned int)programStats.nodes,
8071 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8072 programStats.movelist);
8074 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8079 /* [AS] Clear stats for next move */
8080 ClearProgramStats();
8081 thinkOutput[0] = NULLCHAR;
8082 hiddenThinkOutputState = 0;
8085 if (gameMode == TwoMachinesPlay) {
8086 /* [HGM] relaying draw offers moved to after reception of move */
8087 /* and interpreting offer as claim if it brings draw condition */
8088 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8089 SendToProgram("draw\n", cps->other);
8091 if (cps->other->sendTime) {
8092 SendTimeRemaining(cps->other,
8093 cps->other->twoMachinesColor[0] == 'w');
8095 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8096 if (firstMove && !bookHit) {
8098 if (cps->other->useColors) {
8099 SendToProgram(cps->other->twoMachinesColor, cps->other);
8101 SendToProgram("go\n", cps->other);
8103 cps->other->maybeThinking = TRUE;
8106 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8108 if (!pausing && appData.ringBellAfterMoves) {
8113 * Reenable menu items that were disabled while
8114 * machine was thinking
8116 if (gameMode != TwoMachinesPlay)
8117 SetUserThinkingEnables();
8119 // [HGM] book: after book hit opponent has received move and is now in force mode
8120 // force the book reply into it, and then fake that it outputted this move by jumping
8121 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8123 static char bookMove[MSG_SIZ]; // a bit generous?
8125 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8126 strcat(bookMove, bookHit);
8129 programStats.nodes = programStats.depth = programStats.time =
8130 programStats.score = programStats.got_only_move = 0;
8131 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8133 if(cps->lastPing != cps->lastPong) {
8134 savedMessage = message; // args for deferred call
8136 ScheduleDelayedEvent(DeferredBookMove, 10);
8145 /* Set special modes for chess engines. Later something general
8146 * could be added here; for now there is just one kludge feature,
8147 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8148 * when "xboard" is given as an interactive command.
8150 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8151 cps->useSigint = FALSE;
8152 cps->useSigterm = FALSE;
8154 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8155 ParseFeatures(message+8, cps);
8156 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8159 if ((!appData.testLegality || gameInfo.variant == VariantFairy) &&
8160 !strncmp(message, "setup ", 6)) { // [HGM] allow first engine to define opening position
8161 int dummy, s=6; char buf[MSG_SIZ];
8162 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8163 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8164 if(startedFromSetupPosition) return;
8165 ParseFEN(boards[0], &dummy, message+s);
8166 DrawPosition(TRUE, boards[0]);
8167 startedFromSetupPosition = TRUE;
8170 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8171 * want this, I was asked to put it in, and obliged.
8173 if (!strncmp(message, "setboard ", 9)) {
8174 Board initial_position;
8176 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8178 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9)) {
8179 DisplayError(_("Bad FEN received from engine"), 0);
8183 CopyBoard(boards[0], initial_position);
8184 initialRulePlies = FENrulePlies;
8185 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8186 else gameMode = MachinePlaysBlack;
8187 DrawPosition(FALSE, boards[currentMove]);
8193 * Look for communication commands
8195 if (!strncmp(message, "telluser ", 9)) {
8196 if(message[9] == '\\' && message[10] == '\\')
8197 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8199 DisplayNote(message + 9);
8202 if (!strncmp(message, "tellusererror ", 14)) {
8204 if(message[14] == '\\' && message[15] == '\\')
8205 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8207 DisplayError(message + 14, 0);
8210 if (!strncmp(message, "tellopponent ", 13)) {
8211 if (appData.icsActive) {
8213 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8217 DisplayNote(message + 13);
8221 if (!strncmp(message, "tellothers ", 11)) {
8222 if (appData.icsActive) {
8224 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8230 if (!strncmp(message, "tellall ", 8)) {
8231 if (appData.icsActive) {
8233 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8237 DisplayNote(message + 8);
8241 if (strncmp(message, "warning", 7) == 0) {
8242 /* Undocumented feature, use tellusererror in new code */
8243 DisplayError(message, 0);
8246 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8247 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8248 strcat(realname, " query");
8249 AskQuestion(realname, buf2, buf1, cps->pr);
8252 /* Commands from the engine directly to ICS. We don't allow these to be
8253 * sent until we are logged on. Crafty kibitzes have been known to
8254 * interfere with the login process.
8257 if (!strncmp(message, "tellics ", 8)) {
8258 SendToICS(message + 8);
8262 if (!strncmp(message, "tellicsnoalias ", 15)) {
8263 SendToICS(ics_prefix);
8264 SendToICS(message + 15);
8268 /* The following are for backward compatibility only */
8269 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8270 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8271 SendToICS(ics_prefix);
8277 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8281 * If the move is illegal, cancel it and redraw the board.
8282 * Also deal with other error cases. Matching is rather loose
8283 * here to accommodate engines written before the spec.
8285 if (strncmp(message + 1, "llegal move", 11) == 0 ||
8286 strncmp(message, "Error", 5) == 0) {
8287 if (StrStr(message, "name") ||
8288 StrStr(message, "rating") || StrStr(message, "?") ||
8289 StrStr(message, "result") || StrStr(message, "board") ||
8290 StrStr(message, "bk") || StrStr(message, "computer") ||
8291 StrStr(message, "variant") || StrStr(message, "hint") ||
8292 StrStr(message, "random") || StrStr(message, "depth") ||
8293 StrStr(message, "accepted")) {
8296 if (StrStr(message, "protover")) {
8297 /* Program is responding to input, so it's apparently done
8298 initializing, and this error message indicates it is
8299 protocol version 1. So we don't need to wait any longer
8300 for it to initialize and send feature commands. */
8301 FeatureDone(cps, 1);
8302 cps->protocolVersion = 1;
8305 cps->maybeThinking = FALSE;
8307 if (StrStr(message, "draw")) {
8308 /* Program doesn't have "draw" command */
8309 cps->sendDrawOffers = 0;
8312 if (cps->sendTime != 1 &&
8313 (StrStr(message, "time") || StrStr(message, "otim"))) {
8314 /* Program apparently doesn't have "time" or "otim" command */
8318 if (StrStr(message, "analyze")) {
8319 cps->analysisSupport = FALSE;
8320 cps->analyzing = FALSE;
8321 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
8322 EditGameEvent(); // [HGM] try to preserve loaded game
8323 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
8324 DisplayError(buf2, 0);
8327 if (StrStr(message, "(no matching move)st")) {
8328 /* Special kludge for GNU Chess 4 only */
8329 cps->stKludge = TRUE;
8330 SendTimeControl(cps, movesPerSession, timeControl,
8331 timeIncrement, appData.searchDepth,
8335 if (StrStr(message, "(no matching move)sd")) {
8336 /* Special kludge for GNU Chess 4 only */
8337 cps->sdKludge = TRUE;
8338 SendTimeControl(cps, movesPerSession, timeControl,
8339 timeIncrement, appData.searchDepth,
8343 if (!StrStr(message, "llegal")) {
8346 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8347 gameMode == IcsIdle) return;
8348 if (forwardMostMove <= backwardMostMove) return;
8349 if (pausing) PauseEvent();
8350 if(appData.forceIllegal) {
8351 // [HGM] illegal: machine refused move; force position after move into it
8352 SendToProgram("force\n", cps);
8353 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
8354 // we have a real problem now, as SendBoard will use the a2a3 kludge
8355 // when black is to move, while there might be nothing on a2 or black
8356 // might already have the move. So send the board as if white has the move.
8357 // But first we must change the stm of the engine, as it refused the last move
8358 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
8359 if(WhiteOnMove(forwardMostMove)) {
8360 SendToProgram("a7a6\n", cps); // for the engine black still had the move
8361 SendBoard(cps, forwardMostMove); // kludgeless board
8363 SendToProgram("a2a3\n", cps); // for the engine white still had the move
8364 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
8365 SendBoard(cps, forwardMostMove+1); // kludgeless board
8367 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
8368 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
8369 gameMode == TwoMachinesPlay)
8370 SendToProgram("go\n", cps);
8373 if (gameMode == PlayFromGameFile) {
8374 /* Stop reading this game file */
8375 gameMode = EditGame;
8378 /* [HGM] illegal-move claim should forfeit game when Xboard */
8379 /* only passes fully legal moves */
8380 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
8381 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
8382 "False illegal-move claim", GE_XBOARD );
8383 return; // do not take back move we tested as valid
8385 currentMove = forwardMostMove-1;
8386 DisplayMove(currentMove-1); /* before DisplayMoveError */
8387 SwitchClocks(forwardMostMove-1); // [HGM] race
8388 DisplayBothClocks();
8389 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
8390 parseList[currentMove], _(cps->which));
8391 DisplayMoveError(buf1);
8392 DrawPosition(FALSE, boards[currentMove]);
8394 SetUserThinkingEnables();
8397 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
8398 /* Program has a broken "time" command that
8399 outputs a string not ending in newline.
8405 * If chess program startup fails, exit with an error message.
8406 * Attempts to recover here are futile. [HGM] Well, we try anyway
8408 if ((StrStr(message, "unknown host") != NULL)
8409 || (StrStr(message, "No remote directory") != NULL)
8410 || (StrStr(message, "not found") != NULL)
8411 || (StrStr(message, "No such file") != NULL)
8412 || (StrStr(message, "can't alloc") != NULL)
8413 || (StrStr(message, "Permission denied") != NULL)) {
8415 cps->maybeThinking = FALSE;
8416 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
8417 _(cps->which), cps->program, cps->host, message);
8418 RemoveInputSource(cps->isr);
8419 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
8421 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8424 appData.noChessProgram = TRUE;
8425 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8426 gameMode = BeginningOfGame; ModeHighlight();
8429 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8430 DisplayMessage("", ""); // erase waiting message
8431 DisplayError(buf1, 0);
8437 * Look for hint output
8439 if (sscanf(message, "Hint: %s", buf1) == 1) {
8440 if (cps == &first && hintRequested) {
8441 hintRequested = FALSE;
8442 if (ParseOneMove(buf1, forwardMostMove, &moveType,
8443 &fromX, &fromY, &toX, &toY, &promoChar)) {
8444 (void) CoordsToAlgebraic(boards[forwardMostMove],
8445 PosFlags(forwardMostMove),
8446 fromY, fromX, toY, toX, promoChar, buf1);
8447 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
8448 DisplayInformation(buf2);
8450 /* Hint move could not be parsed!? */
8451 snprintf(buf2, sizeof(buf2),
8452 _("Illegal hint move \"%s\"\nfrom %s chess program"),
8453 buf1, _(cps->which));
8454 DisplayError(buf2, 0);
8457 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
8463 * Ignore other messages if game is not in progress
8465 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
8466 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
8469 * look for win, lose, draw, or draw offer
8471 if (strncmp(message, "1-0", 3) == 0) {
8472 char *p, *q, *r = "";
8473 p = strchr(message, '{');
8481 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
8483 } else if (strncmp(message, "0-1", 3) == 0) {
8484 char *p, *q, *r = "";
8485 p = strchr(message, '{');
8493 /* Kludge for Arasan 4.1 bug */
8494 if (strcmp(r, "Black resigns") == 0) {
8495 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
8498 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
8500 } else if (strncmp(message, "1/2", 3) == 0) {
8501 char *p, *q, *r = "";
8502 p = strchr(message, '{');
8511 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
8514 } else if (strncmp(message, "White resign", 12) == 0) {
8515 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8517 } else if (strncmp(message, "Black resign", 12) == 0) {
8518 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8520 } else if (strncmp(message, "White matches", 13) == 0 ||
8521 strncmp(message, "Black matches", 13) == 0 ) {
8522 /* [HGM] ignore GNUShogi noises */
8524 } else if (strncmp(message, "White", 5) == 0 &&
8525 message[5] != '(' &&
8526 StrStr(message, "Black") == NULL) {
8527 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8529 } else if (strncmp(message, "Black", 5) == 0 &&
8530 message[5] != '(') {
8531 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8533 } else if (strcmp(message, "resign") == 0 ||
8534 strcmp(message, "computer resigns") == 0) {
8536 case MachinePlaysBlack:
8537 case IcsPlayingBlack:
8538 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
8540 case MachinePlaysWhite:
8541 case IcsPlayingWhite:
8542 GameEnds(BlackWins, "White resigns", GE_ENGINE);
8544 case TwoMachinesPlay:
8545 if (cps->twoMachinesColor[0] == 'w')
8546 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
8548 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
8555 } else if (strncmp(message, "opponent mates", 14) == 0) {
8557 case MachinePlaysBlack:
8558 case IcsPlayingBlack:
8559 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8561 case MachinePlaysWhite:
8562 case IcsPlayingWhite:
8563 GameEnds(BlackWins, "Black mates", GE_ENGINE);
8565 case TwoMachinesPlay:
8566 if (cps->twoMachinesColor[0] == 'w')
8567 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8569 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8576 } else if (strncmp(message, "computer mates", 14) == 0) {
8578 case MachinePlaysBlack:
8579 case IcsPlayingBlack:
8580 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
8582 case MachinePlaysWhite:
8583 case IcsPlayingWhite:
8584 GameEnds(WhiteWins, "White mates", GE_ENGINE);
8586 case TwoMachinesPlay:
8587 if (cps->twoMachinesColor[0] == 'w')
8588 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8590 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8597 } else if (strncmp(message, "checkmate", 9) == 0) {
8598 if (WhiteOnMove(forwardMostMove)) {
8599 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
8601 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
8604 } else if (strstr(message, "Draw") != NULL ||
8605 strstr(message, "game is a draw") != NULL) {
8606 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
8608 } else if (strstr(message, "offer") != NULL &&
8609 strstr(message, "draw") != NULL) {
8611 if (appData.zippyPlay && first.initDone) {
8612 /* Relay offer to ICS */
8613 SendToICS(ics_prefix);
8614 SendToICS("draw\n");
8617 cps->offeredDraw = 2; /* valid until this engine moves twice */
8618 if (gameMode == TwoMachinesPlay) {
8619 if (cps->other->offeredDraw) {
8620 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8621 /* [HGM] in two-machine mode we delay relaying draw offer */
8622 /* until after we also have move, to see if it is really claim */
8624 } else if (gameMode == MachinePlaysWhite ||
8625 gameMode == MachinePlaysBlack) {
8626 if (userOfferedDraw) {
8627 DisplayInformation(_("Machine accepts your draw offer"));
8628 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
8630 DisplayInformation(_("Machine offers a draw\nSelect Action / Draw to agree"));
8637 * Look for thinking output
8639 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
8640 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
8642 int plylev, mvleft, mvtot, curscore, time;
8643 char mvname[MOVE_LEN];
8647 int prefixHint = FALSE;
8648 mvname[0] = NULLCHAR;
8651 case MachinePlaysBlack:
8652 case IcsPlayingBlack:
8653 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8655 case MachinePlaysWhite:
8656 case IcsPlayingWhite:
8657 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
8662 case IcsObserving: /* [DM] icsEngineAnalyze */
8663 if (!appData.icsEngineAnalyze) ignore = TRUE;
8665 case TwoMachinesPlay:
8666 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
8676 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
8678 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8679 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
8681 if (plyext != ' ' && plyext != '\t') {
8685 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8686 if( cps->scoreIsAbsolute &&
8687 ( gameMode == MachinePlaysBlack ||
8688 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
8689 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
8690 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
8691 !WhiteOnMove(currentMove)
8694 curscore = -curscore;
8697 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
8699 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
8702 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
8703 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
8704 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
8705 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
8706 if(f = fopen(buf, "w")) { // export PV to applicable PV file
8707 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
8709 } else DisplayError(_("failed writing PV"), 0);
8712 tempStats.depth = plylev;
8713 tempStats.nodes = nodes;
8714 tempStats.time = time;
8715 tempStats.score = curscore;
8716 tempStats.got_only_move = 0;
8718 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
8721 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
8722 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
8723 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
8724 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
8725 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
8726 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
8727 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
8728 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
8731 /* Buffer overflow protection */
8732 if (pv[0] != NULLCHAR) {
8733 if (strlen(pv) >= sizeof(tempStats.movelist)
8734 && appData.debugMode) {
8736 "PV is too long; using the first %u bytes.\n",
8737 (unsigned) sizeof(tempStats.movelist) - 1);
8740 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
8742 sprintf(tempStats.movelist, " no PV\n");
8745 if (tempStats.seen_stat) {
8746 tempStats.ok_to_send = 1;
8749 if (strchr(tempStats.movelist, '(') != NULL) {
8750 tempStats.line_is_book = 1;
8751 tempStats.nr_moves = 0;
8752 tempStats.moves_left = 0;
8754 tempStats.line_is_book = 0;
8757 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
8758 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
8760 SendProgramStatsToFrontend( cps, &tempStats );
8763 [AS] Protect the thinkOutput buffer from overflow... this
8764 is only useful if buf1 hasn't overflowed first!
8766 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
8768 (gameMode == TwoMachinesPlay ?
8769 ToUpper(cps->twoMachinesColor[0]) : ' '),
8770 ((double) curscore) / 100.0,
8771 prefixHint ? lastHint : "",
8772 prefixHint ? " " : "" );
8774 if( buf1[0] != NULLCHAR ) {
8775 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
8777 if( strlen(pv) > max_len ) {
8778 if( appData.debugMode) {
8779 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
8781 pv[max_len+1] = '\0';
8784 strcat( thinkOutput, pv);
8787 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
8788 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8789 DisplayMove(currentMove - 1);
8793 } else if ((p=StrStr(message, "(only move)")) != NULL) {
8794 /* crafty (9.25+) says "(only move) <move>"
8795 * if there is only 1 legal move
8797 sscanf(p, "(only move) %s", buf1);
8798 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
8799 sprintf(programStats.movelist, "%s (only move)", buf1);
8800 programStats.depth = 1;
8801 programStats.nr_moves = 1;
8802 programStats.moves_left = 1;
8803 programStats.nodes = 1;
8804 programStats.time = 1;
8805 programStats.got_only_move = 1;
8807 /* Not really, but we also use this member to
8808 mean "line isn't going to change" (Crafty
8809 isn't searching, so stats won't change) */
8810 programStats.line_is_book = 1;
8812 SendProgramStatsToFrontend( cps, &programStats );
8814 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8815 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8816 DisplayMove(currentMove - 1);
8819 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
8820 &time, &nodes, &plylev, &mvleft,
8821 &mvtot, mvname) >= 5) {
8822 /* The stat01: line is from Crafty (9.29+) in response
8823 to the "." command */
8824 programStats.seen_stat = 1;
8825 cps->maybeThinking = TRUE;
8827 if (programStats.got_only_move || !appData.periodicUpdates)
8830 programStats.depth = plylev;
8831 programStats.time = time;
8832 programStats.nodes = nodes;
8833 programStats.moves_left = mvleft;
8834 programStats.nr_moves = mvtot;
8835 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
8836 programStats.ok_to_send = 1;
8837 programStats.movelist[0] = '\0';
8839 SendProgramStatsToFrontend( cps, &programStats );
8843 } else if (strncmp(message,"++",2) == 0) {
8844 /* Crafty 9.29+ outputs this */
8845 programStats.got_fail = 2;
8848 } else if (strncmp(message,"--",2) == 0) {
8849 /* Crafty 9.29+ outputs this */
8850 programStats.got_fail = 1;
8853 } else if (thinkOutput[0] != NULLCHAR &&
8854 strncmp(message, " ", 4) == 0) {
8855 unsigned message_len;
8858 while (*p && *p == ' ') p++;
8860 message_len = strlen( p );
8862 /* [AS] Avoid buffer overflow */
8863 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
8864 strcat(thinkOutput, " ");
8865 strcat(thinkOutput, p);
8868 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
8869 strcat(programStats.movelist, " ");
8870 strcat(programStats.movelist, p);
8873 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
8874 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
8875 DisplayMove(currentMove - 1);
8883 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
8884 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
8886 ChessProgramStats cpstats;
8888 if (plyext != ' ' && plyext != '\t') {
8892 /* [AS] Negate score if machine is playing black and reporting absolute scores */
8893 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
8894 curscore = -curscore;
8897 cpstats.depth = plylev;
8898 cpstats.nodes = nodes;
8899 cpstats.time = time;
8900 cpstats.score = curscore;
8901 cpstats.got_only_move = 0;
8902 cpstats.movelist[0] = '\0';
8904 if (buf1[0] != NULLCHAR) {
8905 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
8908 cpstats.ok_to_send = 0;
8909 cpstats.line_is_book = 0;
8910 cpstats.nr_moves = 0;
8911 cpstats.moves_left = 0;
8913 SendProgramStatsToFrontend( cps, &cpstats );
8920 /* Parse a game score from the character string "game", and
8921 record it as the history of the current game. The game
8922 score is NOT assumed to start from the standard position.
8923 The display is not updated in any way.
8926 ParseGameHistory (char *game)
8929 int fromX, fromY, toX, toY, boardIndex;
8934 if (appData.debugMode)
8935 fprintf(debugFP, "Parsing game history: %s\n", game);
8937 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
8938 gameInfo.site = StrSave(appData.icsHost);
8939 gameInfo.date = PGNDate();
8940 gameInfo.round = StrSave("-");
8942 /* Parse out names of players */
8943 while (*game == ' ') game++;
8945 while (*game != ' ') *p++ = *game++;
8947 gameInfo.white = StrSave(buf);
8948 while (*game == ' ') game++;
8950 while (*game != ' ' && *game != '\n') *p++ = *game++;
8952 gameInfo.black = StrSave(buf);
8955 boardIndex = blackPlaysFirst ? 1 : 0;
8958 yyboardindex = boardIndex;
8959 moveType = (ChessMove) Myylex();
8961 case IllegalMove: /* maybe suicide chess, etc. */
8962 if (appData.debugMode) {
8963 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
8964 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
8965 setbuf(debugFP, NULL);
8967 case WhitePromotion:
8968 case BlackPromotion:
8969 case WhiteNonPromotion:
8970 case BlackNonPromotion:
8972 case WhiteCapturesEnPassant:
8973 case BlackCapturesEnPassant:
8974 case WhiteKingSideCastle:
8975 case WhiteQueenSideCastle:
8976 case BlackKingSideCastle:
8977 case BlackQueenSideCastle:
8978 case WhiteKingSideCastleWild:
8979 case WhiteQueenSideCastleWild:
8980 case BlackKingSideCastleWild:
8981 case BlackQueenSideCastleWild:
8983 case WhiteHSideCastleFR:
8984 case WhiteASideCastleFR:
8985 case BlackHSideCastleFR:
8986 case BlackASideCastleFR:
8988 fromX = currentMoveString[0] - AAA;
8989 fromY = currentMoveString[1] - ONE;
8990 toX = currentMoveString[2] - AAA;
8991 toY = currentMoveString[3] - ONE;
8992 promoChar = currentMoveString[4];
8996 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
8997 fromX = moveType == WhiteDrop ?
8998 (int) CharToPiece(ToUpper(currentMoveString[0])) :
8999 (int) CharToPiece(ToLower(currentMoveString[0]));
9001 toX = currentMoveString[2] - AAA;
9002 toY = currentMoveString[3] - ONE;
9003 promoChar = NULLCHAR;
9007 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9008 if (appData.debugMode) {
9009 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9010 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9011 setbuf(debugFP, NULL);
9013 DisplayError(buf, 0);
9015 case ImpossibleMove:
9017 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9018 if (appData.debugMode) {
9019 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9020 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9021 setbuf(debugFP, NULL);
9023 DisplayError(buf, 0);
9026 if (boardIndex < backwardMostMove) {
9027 /* Oops, gap. How did that happen? */
9028 DisplayError(_("Gap in move list"), 0);
9031 backwardMostMove = blackPlaysFirst ? 1 : 0;
9032 if (boardIndex > forwardMostMove) {
9033 forwardMostMove = boardIndex;
9037 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9038 strcat(parseList[boardIndex-1], " ");
9039 strcat(parseList[boardIndex-1], yy_text);
9051 case GameUnfinished:
9052 if (gameMode == IcsExamining) {
9053 if (boardIndex < backwardMostMove) {
9054 /* Oops, gap. How did that happen? */
9057 backwardMostMove = blackPlaysFirst ? 1 : 0;
9060 gameInfo.result = moveType;
9061 p = strchr(yy_text, '{');
9062 if (p == NULL) p = strchr(yy_text, '(');
9065 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9067 q = strchr(p, *p == '{' ? '}' : ')');
9068 if (q != NULL) *q = NULLCHAR;
9071 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9072 gameInfo.resultDetails = StrSave(p);
9075 if (boardIndex >= forwardMostMove &&
9076 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9077 backwardMostMove = blackPlaysFirst ? 1 : 0;
9080 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9081 fromY, fromX, toY, toX, promoChar,
9082 parseList[boardIndex]);
9083 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9084 /* currentMoveString is set as a side-effect of yylex */
9085 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9086 strcat(moveList[boardIndex], "\n");
9088 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9089 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9095 if(gameInfo.variant != VariantShogi)
9096 strcat(parseList[boardIndex - 1], "+");
9100 strcat(parseList[boardIndex - 1], "#");
9107 /* Apply a move to the given board */
9109 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9111 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9112 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand ? 3 : 1;
9114 /* [HGM] compute & store e.p. status and castling rights for new position */
9115 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9117 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9118 oldEP = (signed char)board[EP_STATUS];
9119 board[EP_STATUS] = EP_NONE;
9121 if (fromY == DROP_RANK) {
9123 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9124 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9127 piece = board[toY][toX] = (ChessSquare) fromX;
9131 if( board[toY][toX] != EmptySquare )
9132 board[EP_STATUS] = EP_CAPTURE;
9134 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9135 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9136 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9138 if( board[fromY][fromX] == WhitePawn ) {
9139 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9140 board[EP_STATUS] = EP_PAWN_MOVE;
9142 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9143 gameInfo.variant != VariantBerolina || toX < fromX)
9144 board[EP_STATUS] = toX | berolina;
9145 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9146 gameInfo.variant != VariantBerolina || toX > fromX)
9147 board[EP_STATUS] = toX;
9150 if( board[fromY][fromX] == BlackPawn ) {
9151 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9152 board[EP_STATUS] = EP_PAWN_MOVE;
9153 if( toY-fromY== -2) {
9154 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9155 gameInfo.variant != VariantBerolina || toX < fromX)
9156 board[EP_STATUS] = toX | berolina;
9157 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9158 gameInfo.variant != VariantBerolina || toX > fromX)
9159 board[EP_STATUS] = toX;
9163 for(i=0; i<nrCastlingRights; i++) {
9164 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9165 board[CASTLING][i] == toX && castlingRank[i] == toY
9166 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9169 if (fromX == toX && fromY == toY) return;
9171 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9172 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9173 if(gameInfo.variant == VariantKnightmate)
9174 king += (int) WhiteUnicorn - (int) WhiteKing;
9176 /* Code added by Tord: */
9177 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9178 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9179 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9180 board[fromY][fromX] = EmptySquare;
9181 board[toY][toX] = EmptySquare;
9182 if((toX > fromX) != (piece == WhiteRook)) {
9183 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9185 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9187 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9188 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9189 board[fromY][fromX] = EmptySquare;
9190 board[toY][toX] = EmptySquare;
9191 if((toX > fromX) != (piece == BlackRook)) {
9192 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9194 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9196 /* End of code added by Tord */
9198 } else if (board[fromY][fromX] == king
9199 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9200 && toY == fromY && toX > fromX+1) {
9201 board[fromY][fromX] = EmptySquare;
9202 board[toY][toX] = king;
9203 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9204 board[fromY][BOARD_RGHT-1] = EmptySquare;
9205 } else if (board[fromY][fromX] == king
9206 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9207 && toY == fromY && toX < fromX-1) {
9208 board[fromY][fromX] = EmptySquare;
9209 board[toY][toX] = king;
9210 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9211 board[fromY][BOARD_LEFT] = EmptySquare;
9212 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9213 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9214 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9216 /* white pawn promotion */
9217 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9218 if(gameInfo.variant==VariantBughouse ||
9219 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9220 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9221 board[fromY][fromX] = EmptySquare;
9222 } else if ((fromY >= BOARD_HEIGHT>>1)
9224 && gameInfo.variant != VariantXiangqi
9225 && gameInfo.variant != VariantBerolina
9226 && (board[fromY][fromX] == WhitePawn)
9227 && (board[toY][toX] == EmptySquare)) {
9228 board[fromY][fromX] = EmptySquare;
9229 board[toY][toX] = WhitePawn;
9230 captured = board[toY - 1][toX];
9231 board[toY - 1][toX] = EmptySquare;
9232 } else if ((fromY == BOARD_HEIGHT-4)
9234 && gameInfo.variant == VariantBerolina
9235 && (board[fromY][fromX] == WhitePawn)
9236 && (board[toY][toX] == EmptySquare)) {
9237 board[fromY][fromX] = EmptySquare;
9238 board[toY][toX] = WhitePawn;
9239 if(oldEP & EP_BEROLIN_A) {
9240 captured = board[fromY][fromX-1];
9241 board[fromY][fromX-1] = EmptySquare;
9242 }else{ captured = board[fromY][fromX+1];
9243 board[fromY][fromX+1] = EmptySquare;
9245 } else if (board[fromY][fromX] == king
9246 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9247 && toY == fromY && toX > fromX+1) {
9248 board[fromY][fromX] = EmptySquare;
9249 board[toY][toX] = king;
9250 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9251 board[fromY][BOARD_RGHT-1] = EmptySquare;
9252 } else if (board[fromY][fromX] == king
9253 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9254 && toY == fromY && toX < fromX-1) {
9255 board[fromY][fromX] = EmptySquare;
9256 board[toY][toX] = king;
9257 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9258 board[fromY][BOARD_LEFT] = EmptySquare;
9259 } else if (fromY == 7 && fromX == 3
9260 && board[fromY][fromX] == BlackKing
9261 && toY == 7 && toX == 5) {
9262 board[fromY][fromX] = EmptySquare;
9263 board[toY][toX] = BlackKing;
9264 board[fromY][7] = EmptySquare;
9265 board[toY][4] = BlackRook;
9266 } else if (fromY == 7 && fromX == 3
9267 && board[fromY][fromX] == BlackKing
9268 && toY == 7 && toX == 1) {
9269 board[fromY][fromX] = EmptySquare;
9270 board[toY][toX] = BlackKing;
9271 board[fromY][0] = EmptySquare;
9272 board[toY][2] = BlackRook;
9273 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
9274 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi)
9275 && toY < promoRank && promoChar
9277 /* black pawn promotion */
9278 board[toY][toX] = CharToPiece(ToLower(promoChar));
9279 if(gameInfo.variant==VariantBughouse ||
9280 gameInfo.variant==VariantCrazyhouse) /* [HGM] use shadow piece */
9281 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9282 board[fromY][fromX] = EmptySquare;
9283 } else if ((fromY < BOARD_HEIGHT>>1)
9285 && gameInfo.variant != VariantXiangqi
9286 && gameInfo.variant != VariantBerolina
9287 && (board[fromY][fromX] == BlackPawn)
9288 && (board[toY][toX] == EmptySquare)) {
9289 board[fromY][fromX] = EmptySquare;
9290 board[toY][toX] = BlackPawn;
9291 captured = board[toY + 1][toX];
9292 board[toY + 1][toX] = EmptySquare;
9293 } else if ((fromY == 3)
9295 && gameInfo.variant == VariantBerolina
9296 && (board[fromY][fromX] == BlackPawn)
9297 && (board[toY][toX] == EmptySquare)) {
9298 board[fromY][fromX] = EmptySquare;
9299 board[toY][toX] = BlackPawn;
9300 if(oldEP & EP_BEROLIN_A) {
9301 captured = board[fromY][fromX-1];
9302 board[fromY][fromX-1] = EmptySquare;
9303 }else{ captured = board[fromY][fromX+1];
9304 board[fromY][fromX+1] = EmptySquare;
9307 board[toY][toX] = board[fromY][fromX];
9308 board[fromY][fromX] = EmptySquare;
9312 if (gameInfo.holdingsWidth != 0) {
9314 /* !!A lot more code needs to be written to support holdings */
9315 /* [HGM] OK, so I have written it. Holdings are stored in the */
9316 /* penultimate board files, so they are automaticlly stored */
9317 /* in the game history. */
9318 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
9319 && promoChar && piece != WhitePawn && piece != BlackPawn) {
9320 /* Delete from holdings, by decreasing count */
9321 /* and erasing image if necessary */
9322 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
9323 if(p < (int) BlackPawn) { /* white drop */
9324 p -= (int)WhitePawn;
9325 p = PieceToNumber((ChessSquare)p);
9326 if(p >= gameInfo.holdingsSize) p = 0;
9327 if(--board[p][BOARD_WIDTH-2] <= 0)
9328 board[p][BOARD_WIDTH-1] = EmptySquare;
9329 if((int)board[p][BOARD_WIDTH-2] < 0)
9330 board[p][BOARD_WIDTH-2] = 0;
9331 } else { /* black drop */
9332 p -= (int)BlackPawn;
9333 p = PieceToNumber((ChessSquare)p);
9334 if(p >= gameInfo.holdingsSize) p = 0;
9335 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
9336 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
9337 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
9338 board[BOARD_HEIGHT-1-p][1] = 0;
9341 if (captured != EmptySquare && gameInfo.holdingsSize > 0
9342 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
9343 /* [HGM] holdings: Add to holdings, if holdings exist */
9344 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
9345 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
9346 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
9349 if (p >= (int) BlackPawn) {
9350 p -= (int)BlackPawn;
9351 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9352 /* in Shogi restore piece to its original first */
9353 captured = (ChessSquare) (DEMOTED captured);
9356 p = PieceToNumber((ChessSquare)p);
9357 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
9358 board[p][BOARD_WIDTH-2]++;
9359 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
9361 p -= (int)WhitePawn;
9362 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
9363 captured = (ChessSquare) (DEMOTED captured);
9366 p = PieceToNumber((ChessSquare)p);
9367 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
9368 board[BOARD_HEIGHT-1-p][1]++;
9369 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
9372 } else if (gameInfo.variant == VariantAtomic) {
9373 if (captured != EmptySquare) {
9375 for (y = toY-1; y <= toY+1; y++) {
9376 for (x = toX-1; x <= toX+1; x++) {
9377 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
9378 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
9379 board[y][x] = EmptySquare;
9383 board[toY][toX] = EmptySquare;
9386 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
9387 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
9389 if(promoChar == '+') {
9390 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite orinary Pawn promotion) */
9391 board[toY][toX] = (ChessSquare) (PROMOTED piece);
9392 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
9393 board[toY][toX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
9395 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
9396 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
9397 // [HGM] superchess: take promotion piece out of holdings
9398 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
9399 if((int)piece < (int)BlackPawn) { // determine stm from piece color
9400 if(!--board[k][BOARD_WIDTH-2])
9401 board[k][BOARD_WIDTH-1] = EmptySquare;
9403 if(!--board[BOARD_HEIGHT-1-k][1])
9404 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
9410 /* Updates forwardMostMove */
9412 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
9414 // forwardMostMove++; // [HGM] bare: moved downstream
9416 (void) CoordsToAlgebraic(boards[forwardMostMove],
9417 PosFlags(forwardMostMove),
9418 fromY, fromX, toY, toX, promoChar,
9419 parseList[forwardMostMove]);
9421 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
9422 int timeLeft; static int lastLoadFlag=0; int king, piece;
9423 piece = boards[forwardMostMove][fromY][fromX];
9424 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
9425 if(gameInfo.variant == VariantKnightmate)
9426 king += (int) WhiteUnicorn - (int) WhiteKing;
9427 if(forwardMostMove == 0) {
9428 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
9429 fprintf(serverMoves, "%s;", UserName());
9430 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
9431 fprintf(serverMoves, "%s;", second.tidy);
9432 fprintf(serverMoves, "%s;", first.tidy);
9433 if(gameMode == MachinePlaysWhite)
9434 fprintf(serverMoves, "%s;", UserName());
9435 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
9436 fprintf(serverMoves, "%s;", second.tidy);
9437 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
9438 lastLoadFlag = loadFlag;
9440 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
9441 // print castling suffix
9442 if( toY == fromY && piece == king ) {
9444 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
9446 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
9449 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
9450 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
9451 boards[forwardMostMove][toY][toX] == EmptySquare
9452 && fromX != toX && fromY != toY)
9453 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
9455 if(promoChar != NULLCHAR)
9456 fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
9458 char buf[MOVE_LEN*2], *p; int len;
9459 fprintf(serverMoves, "/%d/%d",
9460 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
9461 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
9462 else timeLeft = blackTimeRemaining/1000;
9463 fprintf(serverMoves, "/%d", timeLeft);
9464 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
9465 if(p = strchr(buf, '=')) *p = NULLCHAR;
9466 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
9467 fprintf(serverMoves, "/%s", buf);
9469 fflush(serverMoves);
9472 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
9473 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
9476 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
9477 if (commentList[forwardMostMove+1] != NULL) {
9478 free(commentList[forwardMostMove+1]);
9479 commentList[forwardMostMove+1] = NULL;
9481 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9482 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
9483 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
9484 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
9485 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
9486 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
9487 adjustedClock = FALSE;
9488 gameInfo.result = GameUnfinished;
9489 if (gameInfo.resultDetails != NULL) {
9490 free(gameInfo.resultDetails);
9491 gameInfo.resultDetails = NULL;
9493 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
9494 moveList[forwardMostMove - 1]);
9495 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
9501 if(gameInfo.variant != VariantShogi)
9502 strcat(parseList[forwardMostMove - 1], "+");
9506 strcat(parseList[forwardMostMove - 1], "#");
9512 /* Updates currentMove if not pausing */
9514 ShowMove (int fromX, int fromY, int toX, int toY)
9516 int instant = (gameMode == PlayFromGameFile) ?
9517 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
9518 if(appData.noGUI) return;
9519 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
9521 if (forwardMostMove == currentMove + 1) {
9522 AnimateMove(boards[forwardMostMove - 1],
9523 fromX, fromY, toX, toY);
9525 if (appData.highlightLastMove) {
9526 SetHighlights(fromX, fromY, toX, toY);
9529 currentMove = forwardMostMove;
9532 if (instant) return;
9534 DisplayMove(currentMove - 1);
9535 DrawPosition(FALSE, boards[currentMove]);
9536 DisplayBothClocks();
9537 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
9541 SendEgtPath (ChessProgramState *cps)
9542 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
9543 char buf[MSG_SIZ], name[MSG_SIZ], *p;
9545 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
9548 char c, *q = name+1, *r, *s;
9550 name[0] = ','; // extract next format name from feature and copy with prefixed ','
9551 while(*p && *p != ',') *q++ = *p++;
9553 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
9554 strcmp(name, ",nalimov:") == 0 ) {
9555 // take nalimov path from the menu-changeable option first, if it is defined
9556 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
9557 SendToProgram(buf,cps); // send egtbpath command for nalimov
9559 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
9560 (s = StrStr(appData.egtFormats, name)) != NULL) {
9561 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
9562 s = r = StrStr(s, ":") + 1; // beginning of path info
9563 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
9564 c = *r; *r = 0; // temporarily null-terminate path info
9565 *--q = 0; // strip of trailig ':' from name
9566 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
9568 SendToProgram(buf,cps); // send egtbpath command for this format
9570 if(*p == ',') p++; // read away comma to position for next format name
9575 InitChessProgram (ChessProgramState *cps, int setup)
9576 /* setup needed to setup FRC opening position */
9578 char buf[MSG_SIZ], b[MSG_SIZ]; int overruled;
9579 if (appData.noChessProgram) return;
9580 hintRequested = FALSE;
9581 bookRequested = FALSE;
9583 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
9584 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
9585 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
9586 if(cps->memSize) { /* [HGM] memory */
9587 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
9588 SendToProgram(buf, cps);
9590 SendEgtPath(cps); /* [HGM] EGT */
9591 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
9592 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
9593 SendToProgram(buf, cps);
9596 SendToProgram(cps->initString, cps);
9597 if (gameInfo.variant != VariantNormal &&
9598 gameInfo.variant != VariantLoadable
9599 /* [HGM] also send variant if board size non-standard */
9600 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0
9602 char *v = VariantName(gameInfo.variant);
9603 if (cps->protocolVersion != 1 && StrStr(cps->variants, v) == NULL) {
9604 /* [HGM] in protocol 1 we have to assume all variants valid */
9605 snprintf(buf, MSG_SIZ, _("Variant %s not supported by %s"), v, cps->tidy);
9606 DisplayFatalError(buf, 0, 1);
9610 /* [HGM] make prefix for non-standard board size. Awkward testing... */
9611 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9612 if( gameInfo.variant == VariantXiangqi )
9613 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 0;
9614 if( gameInfo.variant == VariantShogi )
9615 overruled = gameInfo.boardWidth != 9 || gameInfo.boardHeight != 9 || gameInfo.holdingsSize != 7;
9616 if( gameInfo.variant == VariantBughouse || gameInfo.variant == VariantCrazyhouse )
9617 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 5;
9618 if( gameInfo.variant == VariantCapablanca || gameInfo.variant == VariantCapaRandom ||
9619 gameInfo.variant == VariantGothic || gameInfo.variant == VariantFalcon || gameInfo.variant == VariantJanus )
9620 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9621 if( gameInfo.variant == VariantCourier )
9622 overruled = gameInfo.boardWidth != 12 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0;
9623 if( gameInfo.variant == VariantSuper )
9624 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9625 if( gameInfo.variant == VariantGreat )
9626 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 8;
9627 if( gameInfo.variant == VariantSChess )
9628 overruled = gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 7;
9629 if( gameInfo.variant == VariantGrand )
9630 overruled = gameInfo.boardWidth != 10 || gameInfo.boardHeight != 10 || gameInfo.holdingsSize != 7;
9633 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", gameInfo.boardWidth, gameInfo.boardHeight,
9634 gameInfo.holdingsSize, VariantName(gameInfo.variant)); // cook up sized variant name
9635 /* [HGM] varsize: try first if this defiant size variant is specifically known */
9636 if(StrStr(cps->variants, b) == NULL) {
9637 // specific sized variant not known, check if general sizing allowed
9638 if (cps->protocolVersion != 1) { // for protocol 1 we cannot check and hope for the best
9639 if(StrStr(cps->variants, "boardsize") == NULL) {
9640 snprintf(buf, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
9641 gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize, cps->tidy);
9642 DisplayFatalError(buf, 0, 1);
9645 /* [HGM] here we really should compare with the maximum supported board size */
9648 } else snprintf(b, MSG_SIZ,"%s", VariantName(gameInfo.variant));
9649 snprintf(buf, MSG_SIZ, "variant %s\n", b);
9650 SendToProgram(buf, cps);
9652 currentlyInitializedVariant = gameInfo.variant;
9654 /* [HGM] send opening position in FRC to first engine */
9656 SendToProgram("force\n", cps);
9658 /* engine is now in force mode! Set flag to wake it up after first move. */
9659 setboardSpoiledMachineBlack = 1;
9663 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
9664 SendToProgram(buf, cps);
9666 cps->maybeThinking = FALSE;
9667 cps->offeredDraw = 0;
9668 if (!appData.icsActive) {
9669 SendTimeControl(cps, movesPerSession, timeControl,
9670 timeIncrement, appData.searchDepth,
9673 if (appData.showThinking
9674 // [HGM] thinking: four options require thinking output to be sent
9675 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9677 SendToProgram("post\n", cps);
9679 SendToProgram("hard\n", cps);
9680 if (!appData.ponderNextMove) {
9681 /* Warning: "easy" is a toggle in GNU Chess, so don't send
9682 it without being sure what state we are in first. "hard"
9683 is not a toggle, so that one is OK.
9685 SendToProgram("easy\n", cps);
9688 snprintf(buf, MSG_SIZ, "ping %d\n", ++cps->lastPing);
9689 SendToProgram(buf, cps);
9691 cps->initDone = TRUE;
9692 ClearEngineOutputPane(cps == &second);
9697 StartChessProgram (ChessProgramState *cps)
9702 if (appData.noChessProgram) return;
9703 cps->initDone = FALSE;
9705 if (strcmp(cps->host, "localhost") == 0) {
9706 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
9707 } else if (*appData.remoteShell == NULLCHAR) {
9708 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
9710 if (*appData.remoteUser == NULLCHAR) {
9711 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
9714 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
9715 cps->host, appData.remoteUser, cps->program);
9717 err = StartChildProcess(buf, "", &cps->pr);
9721 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
9722 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
9723 if(cps != &first) return;
9724 appData.noChessProgram = TRUE;
9727 // DisplayFatalError(buf, err, 1);
9728 // cps->pr = NoProc;
9733 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
9734 if (cps->protocolVersion > 1) {
9735 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
9736 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
9737 cps->comboCnt = 0; // and values of combo boxes
9738 SendToProgram(buf, cps);
9740 SendToProgram("xboard\n", cps);
9745 TwoMachinesEventIfReady P((void))
9747 static int curMess = 0;
9748 if (first.lastPing != first.lastPong) {
9749 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
9750 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9753 if (second.lastPing != second.lastPong) {
9754 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
9755 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
9758 DisplayMessage("", ""); curMess = 0;
9764 MakeName (char *template)
9768 static char buf[MSG_SIZ];
9772 clock = time((time_t *)NULL);
9773 tm = localtime(&clock);
9775 while(*p++ = *template++) if(p[-1] == '%') {
9776 switch(*template++) {
9777 case 0: *p = 0; return buf;
9778 case 'Y': i = tm->tm_year+1900; break;
9779 case 'y': i = tm->tm_year-100; break;
9780 case 'M': i = tm->tm_mon+1; break;
9781 case 'd': i = tm->tm_mday; break;
9782 case 'h': i = tm->tm_hour; break;
9783 case 'm': i = tm->tm_min; break;
9784 case 's': i = tm->tm_sec; break;
9787 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
9793 CountPlayers (char *p)
9796 while(p = strchr(p, '\n')) p++, n++; // count participants
9801 WriteTourneyFile (char *results, FILE *f)
9802 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
9803 if(f == NULL) f = fopen(appData.tourneyFile, "w");
9804 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
9805 // create a file with tournament description
9806 fprintf(f, "-participants {%s}\n", appData.participants);
9807 fprintf(f, "-seedBase %d\n", appData.seedBase);
9808 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
9809 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
9810 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
9811 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
9812 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
9813 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
9814 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
9815 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
9816 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
9817 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
9818 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
9819 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
9821 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
9823 fprintf(f, "-mps %d\n", appData.movesPerSession);
9824 fprintf(f, "-tc %s\n", appData.timeControl);
9825 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
9827 fprintf(f, "-results \"%s\"\n", results);
9832 char *command[MAXENGINES], *mnemonic[MAXENGINES];
9835 Substitute (char *participants, int expunge)
9837 int i, changed, changes=0, nPlayers=0;
9838 char *p, *q, *r, buf[MSG_SIZ];
9839 if(participants == NULL) return;
9840 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
9841 r = p = participants; q = appData.participants;
9842 while(*p && *p == *q) {
9843 if(*p == '\n') r = p+1, nPlayers++;
9846 if(*p) { // difference
9847 while(*p && *p++ != '\n');
9848 while(*q && *q++ != '\n');
9850 changes = 1 + (strcmp(p, q) != 0);
9852 if(changes == 1) { // a single engine mnemonic was changed
9853 q = r; while(*q) nPlayers += (*q++ == '\n');
9854 p = buf; while(*r && (*p = *r++) != '\n') p++;
9856 NamesToList(firstChessProgramNames, command, mnemonic, "all");
9857 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
9858 if(mnemonic[i]) { // The substitute is valid
9860 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
9861 flock(fileno(f), LOCK_EX);
9862 ParseArgsFromFile(f);
9863 fseek(f, 0, SEEK_SET);
9864 FREE(appData.participants); appData.participants = participants;
9865 if(expunge) { // erase results of replaced engine
9866 int len = strlen(appData.results), w, b, dummy;
9867 for(i=0; i<len; i++) {
9868 Pairing(i, nPlayers, &w, &b, &dummy);
9869 if((w == changed || b == changed) && appData.results[i] == '*') {
9870 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
9875 for(i=0; i<len; i++) {
9876 Pairing(i, nPlayers, &w, &b, &dummy);
9877 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
9880 WriteTourneyFile(appData.results, f);
9881 fclose(f); // release lock
9884 } else DisplayError(_("No engine with the name you gave is installed"), 0);
9886 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
9887 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
9893 CreateTourney (char *name)
9896 if(matchMode && strcmp(name, appData.tourneyFile)) {
9897 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
9899 if(name[0] == NULLCHAR) {
9900 if(appData.participants[0])
9901 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
9904 f = fopen(name, "r");
9905 if(f) { // file exists
9906 ASSIGN(appData.tourneyFile, name);
9907 ParseArgsFromFile(f); // parse it
9909 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
9910 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
9911 DisplayError(_("Not enough participants"), 0);
9914 ASSIGN(appData.tourneyFile, name);
9915 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
9916 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
9919 appData.noChessProgram = FALSE;
9920 appData.clockMode = TRUE;
9926 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
9928 char buf[MSG_SIZ], *p, *q;
9929 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
9930 skip = !all && group[0]; // if group requested, we start in skip mode
9931 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
9932 p = names; q = buf; header = 0;
9933 while(*p && *p != '\n') *q++ = *p++;
9937 if(strstr(buf, "# end") == buf) { depth--; continue; } // leave group, and suppress printing label
9938 depth++; // we must be entering a new group
9939 if(all) continue; // suppress printing group headers when complete list requested
9941 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
9943 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
9944 if(engineList[i]) free(engineList[i]);
9945 engineList[i] = strdup(buf);
9946 if(buf[0] != '#') TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
9947 if(engineMnemonic[i]) free(engineMnemonic[i]);
9948 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
9950 sscanf(q + 8, "%s", buf + strlen(buf));
9953 engineMnemonic[i] = strdup(buf);
9956 engineList[i] = engineMnemonic[i] = NULL;
9960 // following implemented as macro to avoid type limitations
9961 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
9965 { // swap settings for first engine and other engine (so far only some selected options)
9970 SWAP(chessProgram, p)
9972 SWAP(hasOwnBookUCI, h)
9973 SWAP(protocolVersion, h)
9975 SWAP(scoreIsAbsolute, h)
9984 SetPlayer (int player, char *p)
9985 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
9987 char buf[MSG_SIZ], *engineName;
9988 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
9989 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
9990 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
9992 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
9993 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
9994 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
9995 ParseArgsFromString(buf);
10001 char *recentEngines;
10004 RecentEngineEvent (int nr)
10007 // SwapEngines(1); // bump first to second
10008 // ReplaceEngine(&second, 1); // and load it there
10009 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10010 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10011 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10012 ReplaceEngine(&first, 0);
10013 FloatToFront(&appData.recentEngineList, command[n]);
10018 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10019 { // determine players from game number
10020 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10022 if(appData.tourneyType == 0) {
10023 roundsPerCycle = (nPlayers - 1) | 1;
10024 pairingsPerRound = nPlayers / 2;
10025 } else if(appData.tourneyType > 0) {
10026 roundsPerCycle = nPlayers - appData.tourneyType;
10027 pairingsPerRound = appData.tourneyType;
10029 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10030 gamesPerCycle = gamesPerRound * roundsPerCycle;
10031 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10032 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10033 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10034 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10035 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10036 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10038 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10039 if(appData.roundSync) *syncInterval = gamesPerRound;
10041 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10043 if(appData.tourneyType == 0) {
10044 if(curPairing == (nPlayers-1)/2 ) {
10045 *whitePlayer = curRound;
10046 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10048 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10049 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10050 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10051 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10053 } else if(appData.tourneyType > 1) {
10054 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10055 *whitePlayer = curRound + appData.tourneyType;
10056 } else if(appData.tourneyType > 0) {
10057 *whitePlayer = curPairing;
10058 *blackPlayer = curRound + appData.tourneyType;
10061 // take care of white/black alternation per round.
10062 // For cycles and games this is already taken care of by default, derived from matchGame!
10063 return curRound & 1;
10067 NextTourneyGame (int nr, int *swapColors)
10068 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10070 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers;
10072 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10073 tf = fopen(appData.tourneyFile, "r");
10074 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10075 ParseArgsFromFile(tf); fclose(tf);
10076 InitTimeControls(); // TC might be altered from tourney file
10078 nPlayers = CountPlayers(appData.participants); // count participants
10079 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10080 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10083 p = q = appData.results;
10084 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10085 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10086 DisplayMessage(_("Waiting for other game(s)"),"");
10087 waitingForGame = TRUE;
10088 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10091 waitingForGame = FALSE;
10094 if(appData.tourneyType < 0) {
10095 if(nr>=0 && !pairingReceived) {
10097 if(pairing.pr == NoProc) {
10098 if(!appData.pairingEngine[0]) {
10099 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10102 StartChessProgram(&pairing); // starts the pairing engine
10104 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10105 SendToProgram(buf, &pairing);
10106 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10107 SendToProgram(buf, &pairing);
10108 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10110 pairingReceived = 0; // ... so we continue here
10112 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
10113 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
10114 matchGame = 1; roundNr = nr / syncInterval + 1;
10117 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
10119 // redefine engines, engine dir, etc.
10120 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10121 if(first.pr == NoProc) {
10122 SetPlayer(whitePlayer, appData.participants); // find white player amongst it, and parse its engine line
10123 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
10125 if(second.pr == NoProc) {
10127 SetPlayer(blackPlayer, appData.participants); // find black player amongst it, and parse its engine line
10128 SwapEngines(1); // and make that valid for second engine by swapping
10129 InitEngine(&second, 1);
10131 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
10132 UpdateLogos(FALSE); // leave display to ModeHiglight()
10138 { // performs game initialization that does not invoke engines, and then tries to start the game
10139 int res, firstWhite, swapColors = 0;
10140 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
10141 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
10143 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
10144 if(strcmp(buf, currentDebugFile)) { // name has changed
10145 FILE *f = fopen(buf, "w");
10146 if(f) { // if opening the new file failed, just keep using the old one
10147 ASSIGN(currentDebugFile, buf);
10151 if(appData.serverFileName) {
10152 if(serverFP) fclose(serverFP);
10153 serverFP = fopen(appData.serverFileName, "w");
10154 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
10155 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
10159 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
10160 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
10161 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
10162 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
10163 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
10164 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
10165 Reset(FALSE, first.pr != NoProc);
10166 res = LoadGameOrPosition(matchGame); // setup game
10167 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
10168 if(!res) return; // abort when bad game/pos file
10169 TwoMachinesEvent();
10173 UserAdjudicationEvent (int result)
10175 ChessMove gameResult = GameIsDrawn;
10178 gameResult = WhiteWins;
10180 else if( result < 0 ) {
10181 gameResult = BlackWins;
10184 if( gameMode == TwoMachinesPlay ) {
10185 GameEnds( gameResult, "User adjudication", GE_XBOARD );
10190 // [HGM] save: calculate checksum of game to make games easily identifiable
10192 StringCheckSum (char *s)
10195 if(s==NULL) return 0;
10196 while(*s) i = i*259 + *s++;
10204 for(i=backwardMostMove; i<forwardMostMove; i++) {
10205 sum += pvInfoList[i].depth;
10206 sum += StringCheckSum(parseList[i]);
10207 sum += StringCheckSum(commentList[i]);
10210 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
10211 return sum + StringCheckSum(commentList[i]);
10212 } // end of save patch
10215 GameEnds (ChessMove result, char *resultDetails, int whosays)
10217 GameMode nextGameMode;
10219 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
10221 if(endingGame) return; /* [HGM] crash: forbid recursion */
10223 if(twoBoards) { // [HGM] dual: switch back to one board
10224 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
10225 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
10227 if (appData.debugMode) {
10228 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
10229 result, resultDetails ? resultDetails : "(null)", whosays);
10232 fromX = fromY = -1; // [HGM] abort any move the user is entering.
10234 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
10235 /* If we are playing on ICS, the server decides when the
10236 game is over, but the engine can offer to draw, claim
10240 if (appData.zippyPlay && first.initDone) {
10241 if (result == GameIsDrawn) {
10242 /* In case draw still needs to be claimed */
10243 SendToICS(ics_prefix);
10244 SendToICS("draw\n");
10245 } else if (StrCaseStr(resultDetails, "resign")) {
10246 SendToICS(ics_prefix);
10247 SendToICS("resign\n");
10251 endingGame = 0; /* [HGM] crash */
10255 /* If we're loading the game from a file, stop */
10256 if (whosays == GE_FILE) {
10257 (void) StopLoadGameTimer();
10261 /* Cancel draw offers */
10262 first.offeredDraw = second.offeredDraw = 0;
10264 /* If this is an ICS game, only ICS can really say it's done;
10265 if not, anyone can. */
10266 isIcsGame = (gameMode == IcsPlayingWhite ||
10267 gameMode == IcsPlayingBlack ||
10268 gameMode == IcsObserving ||
10269 gameMode == IcsExamining);
10271 if (!isIcsGame || whosays == GE_ICS) {
10272 /* OK -- not an ICS game, or ICS said it was done */
10274 if (!isIcsGame && !appData.noChessProgram)
10275 SetUserThinkingEnables();
10277 /* [HGM] if a machine claims the game end we verify this claim */
10278 if(gameMode == TwoMachinesPlay && appData.testClaims) {
10279 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
10281 ChessMove trueResult = (ChessMove) -1;
10283 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
10284 first.twoMachinesColor[0] :
10285 second.twoMachinesColor[0] ;
10287 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
10288 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
10289 /* [HGM] verify: engine mate claims accepted if they were flagged */
10290 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
10292 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
10293 /* [HGM] verify: engine mate claims accepted if they were flagged */
10294 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
10296 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
10297 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
10300 // now verify win claims, but not in drop games, as we don't understand those yet
10301 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10302 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
10303 (result == WhiteWins && claimer == 'w' ||
10304 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
10305 if (appData.debugMode) {
10306 fprintf(debugFP, "result=%d sp=%d move=%d\n",
10307 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
10309 if(result != trueResult) {
10310 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
10311 result = claimer == 'w' ? BlackWins : WhiteWins;
10312 resultDetails = buf;
10315 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
10316 && (forwardMostMove <= backwardMostMove ||
10317 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
10318 (claimer=='b')==(forwardMostMove&1))
10320 /* [HGM] verify: draws that were not flagged are false claims */
10321 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
10322 result = claimer == 'w' ? BlackWins : WhiteWins;
10323 resultDetails = buf;
10325 /* (Claiming a loss is accepted no questions asked!) */
10327 /* [HGM] bare: don't allow bare King to win */
10328 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
10329 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10330 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
10331 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
10332 && result != GameIsDrawn)
10333 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
10334 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
10335 int p = (signed char)boards[forwardMostMove][i][j] - color;
10336 if(p >= 0 && p <= (int)WhiteKing) k++;
10338 if (appData.debugMode) {
10339 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
10340 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
10343 result = GameIsDrawn;
10344 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
10345 resultDetails = buf;
10351 if(serverMoves != NULL && !loadFlag) { char c = '=';
10352 if(result==WhiteWins) c = '+';
10353 if(result==BlackWins) c = '-';
10354 if(resultDetails != NULL)
10355 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
10357 if (resultDetails != NULL) {
10358 gameInfo.result = result;
10359 gameInfo.resultDetails = StrSave(resultDetails);
10361 /* display last move only if game was not loaded from file */
10362 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
10363 DisplayMove(currentMove - 1);
10365 if (forwardMostMove != 0) {
10366 if (gameMode != PlayFromGameFile && gameMode != EditGame
10367 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
10369 if (*appData.saveGameFile != NULLCHAR) {
10370 SaveGameToFile(appData.saveGameFile, TRUE);
10371 } else if (appData.autoSaveGames) {
10374 if (*appData.savePositionFile != NULLCHAR) {
10375 SavePositionToFile(appData.savePositionFile);
10380 /* Tell program how game ended in case it is learning */
10381 /* [HGM] Moved this to after saving the PGN, just in case */
10382 /* engine died and we got here through time loss. In that */
10383 /* case we will get a fatal error writing the pipe, which */
10384 /* would otherwise lose us the PGN. */
10385 /* [HGM] crash: not needed anymore, but doesn't hurt; */
10386 /* output during GameEnds should never be fatal anymore */
10387 if (gameMode == MachinePlaysWhite ||
10388 gameMode == MachinePlaysBlack ||
10389 gameMode == TwoMachinesPlay ||
10390 gameMode == IcsPlayingWhite ||
10391 gameMode == IcsPlayingBlack ||
10392 gameMode == BeginningOfGame) {
10394 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
10396 if (first.pr != NoProc) {
10397 SendToProgram(buf, &first);
10399 if (second.pr != NoProc &&
10400 gameMode == TwoMachinesPlay) {
10401 SendToProgram(buf, &second);
10406 if (appData.icsActive) {
10407 if (appData.quietPlay &&
10408 (gameMode == IcsPlayingWhite ||
10409 gameMode == IcsPlayingBlack)) {
10410 SendToICS(ics_prefix);
10411 SendToICS("set shout 1\n");
10413 nextGameMode = IcsIdle;
10414 ics_user_moved = FALSE;
10415 /* clean up premove. It's ugly when the game has ended and the
10416 * premove highlights are still on the board.
10419 gotPremove = FALSE;
10420 ClearPremoveHighlights();
10421 DrawPosition(FALSE, boards[currentMove]);
10423 if (whosays == GE_ICS) {
10426 if (gameMode == IcsPlayingWhite)
10428 else if(gameMode == IcsPlayingBlack)
10429 PlayIcsLossSound();
10432 if (gameMode == IcsPlayingBlack)
10434 else if(gameMode == IcsPlayingWhite)
10435 PlayIcsLossSound();
10438 PlayIcsDrawSound();
10441 PlayIcsUnfinishedSound();
10444 } else if (gameMode == EditGame ||
10445 gameMode == PlayFromGameFile ||
10446 gameMode == AnalyzeMode ||
10447 gameMode == AnalyzeFile) {
10448 nextGameMode = gameMode;
10450 nextGameMode = EndOfGame;
10455 nextGameMode = gameMode;
10458 if (appData.noChessProgram) {
10459 gameMode = nextGameMode;
10461 endingGame = 0; /* [HGM] crash */
10466 /* Put first chess program into idle state */
10467 if (first.pr != NoProc &&
10468 (gameMode == MachinePlaysWhite ||
10469 gameMode == MachinePlaysBlack ||
10470 gameMode == TwoMachinesPlay ||
10471 gameMode == IcsPlayingWhite ||
10472 gameMode == IcsPlayingBlack ||
10473 gameMode == BeginningOfGame)) {
10474 SendToProgram("force\n", &first);
10475 if (first.usePing) {
10477 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
10478 SendToProgram(buf, &first);
10481 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10482 /* Kill off first chess program */
10483 if (first.isr != NULL)
10484 RemoveInputSource(first.isr);
10487 if (first.pr != NoProc) {
10489 DoSleep( appData.delayBeforeQuit );
10490 SendToProgram("quit\n", &first);
10491 DoSleep( appData.delayAfterQuit );
10492 DestroyChildProcess(first.pr, first.useSigterm);
10496 if (second.reuse) {
10497 /* Put second chess program into idle state */
10498 if (second.pr != NoProc &&
10499 gameMode == TwoMachinesPlay) {
10500 SendToProgram("force\n", &second);
10501 if (second.usePing) {
10503 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
10504 SendToProgram(buf, &second);
10507 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
10508 /* Kill off second chess program */
10509 if (second.isr != NULL)
10510 RemoveInputSource(second.isr);
10513 if (second.pr != NoProc) {
10514 DoSleep( appData.delayBeforeQuit );
10515 SendToProgram("quit\n", &second);
10516 DoSleep( appData.delayAfterQuit );
10517 DestroyChildProcess(second.pr, second.useSigterm);
10519 second.pr = NoProc;
10522 if (matchMode && (gameMode == TwoMachinesPlay || waitingForGame && exiting)) {
10523 char resChar = '=';
10527 if (first.twoMachinesColor[0] == 'w') {
10530 second.matchWins++;
10535 if (first.twoMachinesColor[0] == 'b') {
10538 second.matchWins++;
10541 case GameUnfinished:
10547 if(waitingForGame) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
10548 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
10549 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
10550 ReserveGame(nextGame, resChar); // sets nextGame
10551 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
10552 else ranking = strdup("busy"); //suppress popup when aborted but not finished
10553 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
10555 if (nextGame <= appData.matchGames && !abortMatch) {
10556 gameMode = nextGameMode;
10557 matchGame = nextGame; // this will be overruled in tourney mode!
10558 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
10559 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
10560 endingGame = 0; /* [HGM] crash */
10563 gameMode = nextGameMode;
10564 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
10565 first.tidy, second.tidy,
10566 first.matchWins, second.matchWins,
10567 appData.matchGames - (first.matchWins + second.matchWins));
10568 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
10569 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
10570 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
10571 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
10572 first.twoMachinesColor = "black\n";
10573 second.twoMachinesColor = "white\n";
10575 first.twoMachinesColor = "white\n";
10576 second.twoMachinesColor = "black\n";
10580 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
10581 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
10583 gameMode = nextGameMode;
10585 endingGame = 0; /* [HGM] crash */
10586 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
10587 if(matchMode == TRUE) { // match through command line: exit with or without popup
10589 ToNrEvent(forwardMostMove);
10590 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
10592 } else DisplayFatalError(buf, 0, 0);
10593 } else { // match through menu; just stop, with or without popup
10594 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10597 if(strcmp(ranking, "busy")) DisplayNote(ranking);
10598 } else DisplayNote(buf);
10600 if(ranking) free(ranking);
10604 /* Assumes program was just initialized (initString sent).
10605 Leaves program in force mode. */
10607 FeedMovesToProgram (ChessProgramState *cps, int upto)
10611 if (appData.debugMode)
10612 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
10613 startedFromSetupPosition ? "position and " : "",
10614 backwardMostMove, upto, cps->which);
10615 if(currentlyInitializedVariant != gameInfo.variant) {
10617 // [HGM] variantswitch: make engine aware of new variant
10618 if(cps->protocolVersion > 1 && StrStr(cps->variants, VariantName(gameInfo.variant)) == NULL)
10619 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
10620 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
10621 SendToProgram(buf, cps);
10622 currentlyInitializedVariant = gameInfo.variant;
10624 SendToProgram("force\n", cps);
10625 if (startedFromSetupPosition) {
10626 SendBoard(cps, backwardMostMove);
10627 if (appData.debugMode) {
10628 fprintf(debugFP, "feedMoves\n");
10631 for (i = backwardMostMove; i < upto; i++) {
10632 SendMoveToProgram(i, cps);
10638 ResurrectChessProgram ()
10640 /* The chess program may have exited.
10641 If so, restart it and feed it all the moves made so far. */
10642 static int doInit = 0;
10644 if (appData.noChessProgram) return 1;
10646 if(matchMode && appData.tourneyFile[0]) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
10647 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit
10648 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
10649 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
10651 if (first.pr != NoProc) return 1;
10652 StartChessProgram(&first);
10654 InitChessProgram(&first, FALSE);
10655 FeedMovesToProgram(&first, currentMove);
10657 if (!first.sendTime) {
10658 /* can't tell gnuchess what its clock should read,
10659 so we bow to its notion. */
10661 timeRemaining[0][currentMove] = whiteTimeRemaining;
10662 timeRemaining[1][currentMove] = blackTimeRemaining;
10665 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
10666 appData.icsEngineAnalyze) && first.analysisSupport) {
10667 SendToProgram("analyze\n", &first);
10668 first.analyzing = TRUE;
10674 * Button procedures
10677 Reset (int redraw, int init)
10681 if (appData.debugMode) {
10682 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
10683 redraw, init, gameMode);
10685 CleanupTail(); // [HGM] vari: delete any stored variations
10686 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
10687 pausing = pauseExamInvalid = FALSE;
10688 startedFromSetupPosition = blackPlaysFirst = FALSE;
10690 whiteFlag = blackFlag = FALSE;
10691 userOfferedDraw = FALSE;
10692 hintRequested = bookRequested = FALSE;
10693 first.maybeThinking = FALSE;
10694 second.maybeThinking = FALSE;
10695 first.bookSuspend = FALSE; // [HGM] book
10696 second.bookSuspend = FALSE;
10697 thinkOutput[0] = NULLCHAR;
10698 lastHint[0] = NULLCHAR;
10699 ClearGameInfo(&gameInfo);
10700 gameInfo.variant = StringToVariant(appData.variant);
10701 ics_user_moved = ics_clock_paused = FALSE;
10702 ics_getting_history = H_FALSE;
10704 white_holding[0] = black_holding[0] = NULLCHAR;
10705 ClearProgramStats();
10706 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
10710 flipView = appData.flipView;
10711 ClearPremoveHighlights();
10712 gotPremove = FALSE;
10713 alarmSounded = FALSE;
10715 GameEnds(EndOfFile, NULL, GE_PLAYER);
10716 if(appData.serverMovesName != NULL) {
10717 /* [HGM] prepare to make moves file for broadcasting */
10718 clock_t t = clock();
10719 if(serverMoves != NULL) fclose(serverMoves);
10720 serverMoves = fopen(appData.serverMovesName, "r");
10721 if(serverMoves != NULL) {
10722 fclose(serverMoves);
10723 /* delay 15 sec before overwriting, so all clients can see end */
10724 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
10726 serverMoves = fopen(appData.serverMovesName, "w");
10730 gameMode = BeginningOfGame;
10732 if(appData.icsActive) gameInfo.variant = VariantNormal;
10733 currentMove = forwardMostMove = backwardMostMove = 0;
10734 MarkTargetSquares(1);
10735 InitPosition(redraw);
10736 for (i = 0; i < MAX_MOVES; i++) {
10737 if (commentList[i] != NULL) {
10738 free(commentList[i]);
10739 commentList[i] = NULL;
10743 timeRemaining[0][0] = whiteTimeRemaining;
10744 timeRemaining[1][0] = blackTimeRemaining;
10746 if (first.pr == NoProc) {
10747 StartChessProgram(&first);
10750 InitChessProgram(&first, startedFromSetupPosition);
10753 DisplayMessage("", "");
10754 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
10755 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
10756 mappedMove = -1; // [HGM] exclude: invalidate map
10760 AutoPlayGameLoop ()
10763 if (!AutoPlayOneMove())
10765 if (matchMode || appData.timeDelay == 0)
10767 if (appData.timeDelay < 0)
10769 StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
10778 int fromX, fromY, toX, toY;
10780 if (appData.debugMode) {
10781 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
10784 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
10787 if (gameMode == AnalyzeFile && currentMove > backwardMostMove) {
10788 pvInfoList[currentMove].depth = programStats.depth;
10789 pvInfoList[currentMove].score = programStats.score;
10790 pvInfoList[currentMove].time = 0;
10791 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
10794 if (currentMove >= forwardMostMove) {
10795 if(gameMode == AnalyzeFile) { ExitAnalyzeMode(); SendToProgram("force\n", &first); }
10796 // gameMode = EndOfGame;
10797 // ModeHighlight();
10799 /* [AS] Clear current move marker at the end of a game */
10800 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
10805 toX = moveList[currentMove][2] - AAA;
10806 toY = moveList[currentMove][3] - ONE;
10808 if (moveList[currentMove][1] == '@') {
10809 if (appData.highlightLastMove) {
10810 SetHighlights(-1, -1, toX, toY);
10813 fromX = moveList[currentMove][0] - AAA;
10814 fromY = moveList[currentMove][1] - ONE;
10816 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
10818 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
10820 if (appData.highlightLastMove) {
10821 SetHighlights(fromX, fromY, toX, toY);
10824 DisplayMove(currentMove);
10825 SendMoveToProgram(currentMove++, &first);
10826 DisplayBothClocks();
10827 DrawPosition(FALSE, boards[currentMove]);
10828 // [HGM] PV info: always display, routine tests if empty
10829 DisplayComment(currentMove - 1, commentList[currentMove]);
10835 LoadGameOneMove (ChessMove readAhead)
10837 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
10838 char promoChar = NULLCHAR;
10839 ChessMove moveType;
10840 char move[MSG_SIZ];
10843 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
10844 gameMode != AnalyzeMode && gameMode != Training) {
10849 yyboardindex = forwardMostMove;
10850 if (readAhead != EndOfFile) {
10851 moveType = readAhead;
10853 if (gameFileFP == NULL)
10855 moveType = (ChessMove) Myylex();
10859 switch (moveType) {
10861 if (appData.debugMode)
10862 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
10865 /* append the comment but don't display it */
10866 AppendComment(currentMove, p, FALSE);
10869 case WhiteCapturesEnPassant:
10870 case BlackCapturesEnPassant:
10871 case WhitePromotion:
10872 case BlackPromotion:
10873 case WhiteNonPromotion:
10874 case BlackNonPromotion:
10876 case WhiteKingSideCastle:
10877 case WhiteQueenSideCastle:
10878 case BlackKingSideCastle:
10879 case BlackQueenSideCastle:
10880 case WhiteKingSideCastleWild:
10881 case WhiteQueenSideCastleWild:
10882 case BlackKingSideCastleWild:
10883 case BlackQueenSideCastleWild:
10885 case WhiteHSideCastleFR:
10886 case WhiteASideCastleFR:
10887 case BlackHSideCastleFR:
10888 case BlackASideCastleFR:
10890 if (appData.debugMode)
10891 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10892 fromX = currentMoveString[0] - AAA;
10893 fromY = currentMoveString[1] - ONE;
10894 toX = currentMoveString[2] - AAA;
10895 toY = currentMoveString[3] - ONE;
10896 promoChar = currentMoveString[4];
10901 if (appData.debugMode)
10902 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
10903 fromX = moveType == WhiteDrop ?
10904 (int) CharToPiece(ToUpper(currentMoveString[0])) :
10905 (int) CharToPiece(ToLower(currentMoveString[0]));
10907 toX = currentMoveString[2] - AAA;
10908 toY = currentMoveString[3] - ONE;
10914 case GameUnfinished:
10915 if (appData.debugMode)
10916 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
10917 p = strchr(yy_text, '{');
10918 if (p == NULL) p = strchr(yy_text, '(');
10921 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
10923 q = strchr(p, *p == '{' ? '}' : ')');
10924 if (q != NULL) *q = NULLCHAR;
10927 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
10928 GameEnds(moveType, p, GE_FILE);
10930 if (cmailMsgLoaded) {
10932 flipView = WhiteOnMove(currentMove);
10933 if (moveType == GameUnfinished) flipView = !flipView;
10934 if (appData.debugMode)
10935 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
10940 if (appData.debugMode)
10941 fprintf(debugFP, "Parser hit end of file\n");
10942 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10948 if (WhiteOnMove(currentMove)) {
10949 GameEnds(BlackWins, "Black mates", GE_FILE);
10951 GameEnds(WhiteWins, "White mates", GE_FILE);
10955 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10961 case MoveNumberOne:
10962 if (lastLoadGameStart == GNUChessGame) {
10963 /* GNUChessGames have numbers, but they aren't move numbers */
10964 if (appData.debugMode)
10965 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
10966 yy_text, (int) moveType);
10967 return LoadGameOneMove(EndOfFile); /* tail recursion */
10969 /* else fall thru */
10974 /* Reached start of next game in file */
10975 if (appData.debugMode)
10976 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
10977 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
10983 if (WhiteOnMove(currentMove)) {
10984 GameEnds(BlackWins, "Black mates", GE_FILE);
10986 GameEnds(WhiteWins, "White mates", GE_FILE);
10990 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
10996 case PositionDiagram: /* should not happen; ignore */
10997 case ElapsedTime: /* ignore */
10998 case NAG: /* ignore */
10999 if (appData.debugMode)
11000 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11001 yy_text, (int) moveType);
11002 return LoadGameOneMove(EndOfFile); /* tail recursion */
11005 if (appData.testLegality) {
11006 if (appData.debugMode)
11007 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11008 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11009 (forwardMostMove / 2) + 1,
11010 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11011 DisplayError(move, 0);
11014 if (appData.debugMode)
11015 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11016 yy_text, currentMoveString);
11017 fromX = currentMoveString[0] - AAA;
11018 fromY = currentMoveString[1] - ONE;
11019 toX = currentMoveString[2] - AAA;
11020 toY = currentMoveString[3] - ONE;
11021 promoChar = currentMoveString[4];
11025 case AmbiguousMove:
11026 if (appData.debugMode)
11027 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11028 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11029 (forwardMostMove / 2) + 1,
11030 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11031 DisplayError(move, 0);
11036 case ImpossibleMove:
11037 if (appData.debugMode)
11038 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11039 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11040 (forwardMostMove / 2) + 1,
11041 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11042 DisplayError(move, 0);
11048 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11049 DrawPosition(FALSE, boards[currentMove]);
11050 DisplayBothClocks();
11051 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11052 DisplayComment(currentMove - 1, commentList[currentMove]);
11054 (void) StopLoadGameTimer();
11056 cmailOldMove = forwardMostMove;
11059 /* currentMoveString is set as a side-effect of yylex */
11061 thinkOutput[0] = NULLCHAR;
11062 MakeMove(fromX, fromY, toX, toY, promoChar);
11063 currentMove = forwardMostMove;
11068 /* Load the nth game from the given file */
11070 LoadGameFromFile (char *filename, int n, char *title, int useList)
11075 if (strcmp(filename, "-") == 0) {
11079 f = fopen(filename, "rb");
11081 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
11082 DisplayError(buf, errno);
11086 if (fseek(f, 0, 0) == -1) {
11087 /* f is not seekable; probably a pipe */
11090 if (useList && n == 0) {
11091 int error = GameListBuild(f);
11093 DisplayError(_("Cannot build game list"), error);
11094 } else if (!ListEmpty(&gameList) &&
11095 ((ListGame *) gameList.tailPred)->number > 1) {
11096 GameListPopUp(f, title);
11103 return LoadGame(f, n, title, FALSE);
11108 MakeRegisteredMove ()
11110 int fromX, fromY, toX, toY;
11112 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11113 switch (cmailMoveType[lastLoadGameNumber - 1]) {
11116 if (appData.debugMode)
11117 fprintf(debugFP, "Restoring %s for game %d\n",
11118 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
11120 thinkOutput[0] = NULLCHAR;
11121 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
11122 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
11123 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
11124 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
11125 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
11126 promoChar = cmailMove[lastLoadGameNumber - 1][4];
11127 MakeMove(fromX, fromY, toX, toY, promoChar);
11128 ShowMove(fromX, fromY, toX, toY);
11130 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11137 if (WhiteOnMove(currentMove)) {
11138 GameEnds(BlackWins, "Black mates", GE_PLAYER);
11140 GameEnds(WhiteWins, "White mates", GE_PLAYER);
11145 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
11152 if (WhiteOnMove(currentMove)) {
11153 GameEnds(BlackWins, "White resigns", GE_PLAYER);
11155 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
11160 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
11171 /* Wrapper around LoadGame for use when a Cmail message is loaded */
11173 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
11177 if (gameNumber > nCmailGames) {
11178 DisplayError(_("No more games in this message"), 0);
11181 if (f == lastLoadGameFP) {
11182 int offset = gameNumber - lastLoadGameNumber;
11184 cmailMsg[0] = NULLCHAR;
11185 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
11186 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
11187 nCmailMovesRegistered--;
11189 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
11190 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
11191 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
11194 if (! RegisterMove()) return FALSE;
11198 retVal = LoadGame(f, gameNumber, title, useList);
11200 /* Make move registered during previous look at this game, if any */
11201 MakeRegisteredMove();
11203 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
11204 commentList[currentMove]
11205 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
11206 DisplayComment(currentMove - 1, commentList[currentMove]);
11212 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
11214 ReloadGame (int offset)
11216 int gameNumber = lastLoadGameNumber + offset;
11217 if (lastLoadGameFP == NULL) {
11218 DisplayError(_("No game has been loaded yet"), 0);
11221 if (gameNumber <= 0) {
11222 DisplayError(_("Can't back up any further"), 0);
11225 if (cmailMsgLoaded) {
11226 return CmailLoadGame(lastLoadGameFP, gameNumber,
11227 lastLoadGameTitle, lastLoadGameUseList);
11229 return LoadGame(lastLoadGameFP, gameNumber,
11230 lastLoadGameTitle, lastLoadGameUseList);
11234 int keys[EmptySquare+1];
11237 PositionMatches (Board b1, Board b2)
11240 switch(appData.searchMode) {
11241 case 1: return CompareWithRights(b1, b2);
11243 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11244 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
11248 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11249 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
11250 sum += keys[b1[r][f]] - keys[b2[r][f]];
11254 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11255 sum += keys[b1[r][f]] - keys[b2[r][f]];
11267 int pieceList[256], quickBoard[256];
11268 ChessSquare pieceType[256] = { EmptySquare };
11269 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
11270 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
11271 int soughtTotal, turn;
11272 Boolean epOK, flipSearch;
11275 unsigned char piece, to;
11278 #define DSIZE (250000)
11280 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
11281 Move *moveDatabase = initialSpace;
11282 unsigned int movePtr, dataSize = DSIZE;
11285 MakePieceList (Board board, int *counts)
11287 int r, f, n=Q_PROMO, total=0;
11288 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
11289 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11290 int sq = f + (r<<4);
11291 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
11292 quickBoard[sq] = ++n;
11294 pieceType[n] = board[r][f];
11295 counts[board[r][f]]++;
11296 if(board[r][f] == WhiteKing) pieceList[1] = n; else
11297 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
11301 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
11306 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
11308 int sq = fromX + (fromY<<4);
11309 int piece = quickBoard[sq];
11310 quickBoard[sq] = 0;
11311 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
11312 if(piece == pieceList[1] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11313 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
11314 moveDatabase[movePtr++].piece = Q_WCASTL;
11315 quickBoard[sq] = piece;
11316 piece = quickBoard[from]; quickBoard[from] = 0;
11317 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11319 if(piece == pieceList[2] && fromY == toY && (toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
11320 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
11321 moveDatabase[movePtr++].piece = Q_BCASTL;
11322 quickBoard[sq] = piece;
11323 piece = quickBoard[from]; quickBoard[from] = 0;
11324 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
11326 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
11327 quickBoard[(fromY<<4)+toX] = 0;
11328 moveDatabase[movePtr].piece = Q_EP;
11329 moveDatabase[movePtr++].to = (fromY<<4)+toX;
11330 moveDatabase[movePtr].to = sq;
11332 if(promoPiece != pieceType[piece]) {
11333 moveDatabase[movePtr++].piece = Q_PROMO;
11334 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
11336 moveDatabase[movePtr].piece = piece;
11337 quickBoard[sq] = piece;
11342 PackGame (Board board)
11344 Move *newSpace = NULL;
11345 moveDatabase[movePtr].piece = 0; // terminate previous game
11346 if(movePtr > dataSize) {
11347 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
11348 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
11349 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
11352 Move *p = moveDatabase, *q = newSpace;
11353 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
11354 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
11355 moveDatabase = newSpace;
11356 } else { // calloc failed, we must be out of memory. Too bad...
11357 dataSize = 0; // prevent calloc events for all subsequent games
11358 return 0; // and signal this one isn't cached
11362 MakePieceList(board, counts);
11367 QuickCompare (Board board, int *minCounts, int *maxCounts)
11368 { // compare according to search mode
11370 switch(appData.searchMode)
11372 case 1: // exact position match
11373 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
11374 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11375 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11378 case 2: // can have extra material on empty squares
11379 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11380 if(board[r][f] == EmptySquare) continue;
11381 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11384 case 3: // material with exact Pawn structure
11385 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11386 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
11387 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
11388 } // fall through to material comparison
11389 case 4: // exact material
11390 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
11392 case 6: // material range with given imbalance
11393 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
11394 // fall through to range comparison
11395 case 5: // material range
11396 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
11402 QuickScan (Board board, Move *move)
11403 { // reconstruct game,and compare all positions in it
11404 int cnt=0, stretch=0, total = MakePieceList(board, counts);
11406 int piece = move->piece;
11407 int to = move->to, from = pieceList[piece];
11408 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
11409 if(!piece) return -1;
11410 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
11411 piece = (++move)->piece;
11412 from = pieceList[piece];
11413 counts[pieceType[piece]]--;
11414 pieceType[piece] = (ChessSquare) move->to;
11415 counts[move->to]++;
11416 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
11417 counts[pieceType[quickBoard[to]]]--;
11418 quickBoard[to] = 0; total--;
11421 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
11422 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
11423 from = pieceList[piece]; // so this must be King
11424 quickBoard[from] = 0;
11425 quickBoard[to] = piece;
11426 pieceList[piece] = to;
11431 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
11432 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
11433 quickBoard[from] = 0;
11434 quickBoard[to] = piece;
11435 pieceList[piece] = to;
11437 if(QuickCompare(soughtBoard, minSought, maxSought) ||
11438 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
11439 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
11440 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
11442 static int lastCounts[EmptySquare+1];
11444 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
11445 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
11446 } else stretch = 0;
11447 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
11456 flipSearch = FALSE;
11457 CopyBoard(soughtBoard, boards[currentMove]);
11458 soughtTotal = MakePieceList(soughtBoard, maxSought);
11459 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
11460 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
11461 CopyBoard(reverseBoard, boards[currentMove]);
11462 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11463 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
11464 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
11465 reverseBoard[r][f] = piece;
11467 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
11468 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
11469 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
11470 || (boards[currentMove][CASTLING][2] == NoRights ||
11471 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
11472 && (boards[currentMove][CASTLING][5] == NoRights ||
11473 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
11476 CopyBoard(flipBoard, soughtBoard);
11477 CopyBoard(rotateBoard, reverseBoard);
11478 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
11479 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
11480 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
11483 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
11484 if(appData.searchMode >= 5) {
11485 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
11486 MakePieceList(soughtBoard, minSought);
11487 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
11489 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
11490 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
11493 GameInfo dummyInfo;
11496 GameContainsPosition (FILE *f, ListGame *lg)
11498 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
11499 int fromX, fromY, toX, toY;
11501 static int initDone=FALSE;
11503 // weed out games based on numerical tag comparison
11504 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
11505 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
11506 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
11507 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
11509 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
11512 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen);
11513 else CopyBoard(boards[scratch], initialPosition); // default start position
11516 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
11517 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
11520 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11521 fseek(f, lg->offset, 0);
11524 yyboardindex = scratch;
11525 quickFlag = plyNr+1;
11530 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
11536 if(plyNr) return -1; // after we have seen moves, this is for new game
11539 case AmbiguousMove: // we cannot reconstruct the game beyond these two
11540 case ImpossibleMove:
11541 case WhiteWins: // game ends here with these four
11544 case GameUnfinished:
11548 if(appData.testLegality) return -1;
11549 case WhiteCapturesEnPassant:
11550 case BlackCapturesEnPassant:
11551 case WhitePromotion:
11552 case BlackPromotion:
11553 case WhiteNonPromotion:
11554 case BlackNonPromotion:
11556 case WhiteKingSideCastle:
11557 case WhiteQueenSideCastle:
11558 case BlackKingSideCastle:
11559 case BlackQueenSideCastle:
11560 case WhiteKingSideCastleWild:
11561 case WhiteQueenSideCastleWild:
11562 case BlackKingSideCastleWild:
11563 case BlackQueenSideCastleWild:
11564 case WhiteHSideCastleFR:
11565 case WhiteASideCastleFR:
11566 case BlackHSideCastleFR:
11567 case BlackASideCastleFR:
11568 fromX = currentMoveString[0] - AAA;
11569 fromY = currentMoveString[1] - ONE;
11570 toX = currentMoveString[2] - AAA;
11571 toY = currentMoveString[3] - ONE;
11572 promoChar = currentMoveString[4];
11576 fromX = next == WhiteDrop ?
11577 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11578 (int) CharToPiece(ToLower(currentMoveString[0]));
11580 toX = currentMoveString[2] - AAA;
11581 toY = currentMoveString[3] - ONE;
11585 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
11587 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
11588 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
11589 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
11590 if(appData.findMirror) {
11591 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
11592 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
11597 /* Load the nth game from open file f */
11599 LoadGame (FILE *f, int gameNumber, char *title, int useList)
11603 int gn = gameNumber;
11604 ListGame *lg = NULL;
11605 int numPGNTags = 0;
11607 GameMode oldGameMode;
11608 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
11610 if (appData.debugMode)
11611 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
11613 if (gameMode == Training )
11614 SetTrainingModeOff();
11616 oldGameMode = gameMode;
11617 if (gameMode != BeginningOfGame) {
11618 Reset(FALSE, TRUE);
11622 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
11623 fclose(lastLoadGameFP);
11627 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
11630 fseek(f, lg->offset, 0);
11631 GameListHighlight(gameNumber);
11632 pos = lg->position;
11636 DisplayError(_("Game number out of range"), 0);
11641 if (fseek(f, 0, 0) == -1) {
11642 if (f == lastLoadGameFP ?
11643 gameNumber == lastLoadGameNumber + 1 :
11647 DisplayError(_("Can't seek on game file"), 0);
11652 lastLoadGameFP = f;
11653 lastLoadGameNumber = gameNumber;
11654 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
11655 lastLoadGameUseList = useList;
11659 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
11660 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
11661 lg->gameInfo.black);
11663 } else if (*title != NULLCHAR) {
11664 if (gameNumber > 1) {
11665 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
11668 DisplayTitle(title);
11672 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
11673 gameMode = PlayFromGameFile;
11677 currentMove = forwardMostMove = backwardMostMove = 0;
11678 CopyBoard(boards[0], initialPosition);
11682 * Skip the first gn-1 games in the file.
11683 * Also skip over anything that precedes an identifiable
11684 * start of game marker, to avoid being confused by
11685 * garbage at the start of the file. Currently
11686 * recognized start of game markers are the move number "1",
11687 * the pattern "gnuchess .* game", the pattern
11688 * "^[#;%] [^ ]* game file", and a PGN tag block.
11689 * A game that starts with one of the latter two patterns
11690 * will also have a move number 1, possibly
11691 * following a position diagram.
11692 * 5-4-02: Let's try being more lenient and allowing a game to
11693 * start with an unnumbered move. Does that break anything?
11695 cm = lastLoadGameStart = EndOfFile;
11697 yyboardindex = forwardMostMove;
11698 cm = (ChessMove) Myylex();
11701 if (cmailMsgLoaded) {
11702 nCmailGames = CMAIL_MAX_GAMES - gn;
11705 DisplayError(_("Game not found in file"), 0);
11712 lastLoadGameStart = cm;
11715 case MoveNumberOne:
11716 switch (lastLoadGameStart) {
11721 case MoveNumberOne:
11723 gn--; /* count this game */
11724 lastLoadGameStart = cm;
11733 switch (lastLoadGameStart) {
11736 case MoveNumberOne:
11738 gn--; /* count this game */
11739 lastLoadGameStart = cm;
11742 lastLoadGameStart = cm; /* game counted already */
11750 yyboardindex = forwardMostMove;
11751 cm = (ChessMove) Myylex();
11752 } while (cm == PGNTag || cm == Comment);
11759 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
11760 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
11761 != CMAIL_OLD_RESULT) {
11763 cmailResult[ CMAIL_MAX_GAMES
11764 - gn - 1] = CMAIL_OLD_RESULT;
11770 /* Only a NormalMove can be at the start of a game
11771 * without a position diagram. */
11772 if (lastLoadGameStart == EndOfFile ) {
11774 lastLoadGameStart = MoveNumberOne;
11783 if (appData.debugMode)
11784 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
11786 if (cm == XBoardGame) {
11787 /* Skip any header junk before position diagram and/or move 1 */
11789 yyboardindex = forwardMostMove;
11790 cm = (ChessMove) Myylex();
11792 if (cm == EndOfFile ||
11793 cm == GNUChessGame || cm == XBoardGame) {
11794 /* Empty game; pretend end-of-file and handle later */
11799 if (cm == MoveNumberOne || cm == PositionDiagram ||
11800 cm == PGNTag || cm == Comment)
11803 } else if (cm == GNUChessGame) {
11804 if (gameInfo.event != NULL) {
11805 free(gameInfo.event);
11807 gameInfo.event = StrSave(yy_text);
11810 startedFromSetupPosition = FALSE;
11811 while (cm == PGNTag) {
11812 if (appData.debugMode)
11813 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
11814 err = ParsePGNTag(yy_text, &gameInfo);
11815 if (!err) numPGNTags++;
11817 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
11818 if(gameInfo.variant != oldVariant) {
11819 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
11820 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
11821 InitPosition(TRUE);
11822 oldVariant = gameInfo.variant;
11823 if (appData.debugMode)
11824 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
11828 if (gameInfo.fen != NULL) {
11829 Board initial_position;
11830 startedFromSetupPosition = TRUE;
11831 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen)) {
11833 DisplayError(_("Bad FEN position in file"), 0);
11836 CopyBoard(boards[0], initial_position);
11837 if (blackPlaysFirst) {
11838 currentMove = forwardMostMove = backwardMostMove = 1;
11839 CopyBoard(boards[1], initial_position);
11840 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11841 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11842 timeRemaining[0][1] = whiteTimeRemaining;
11843 timeRemaining[1][1] = blackTimeRemaining;
11844 if (commentList[0] != NULL) {
11845 commentList[1] = commentList[0];
11846 commentList[0] = NULL;
11849 currentMove = forwardMostMove = backwardMostMove = 0;
11851 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
11853 initialRulePlies = FENrulePlies;
11854 for( i=0; i< nrCastlingRights; i++ )
11855 initialRights[i] = initial_position[CASTLING][i];
11857 yyboardindex = forwardMostMove;
11858 free(gameInfo.fen);
11859 gameInfo.fen = NULL;
11862 yyboardindex = forwardMostMove;
11863 cm = (ChessMove) Myylex();
11865 /* Handle comments interspersed among the tags */
11866 while (cm == Comment) {
11868 if (appData.debugMode)
11869 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11871 AppendComment(currentMove, p, FALSE);
11872 yyboardindex = forwardMostMove;
11873 cm = (ChessMove) Myylex();
11877 /* don't rely on existence of Event tag since if game was
11878 * pasted from clipboard the Event tag may not exist
11880 if (numPGNTags > 0){
11882 if (gameInfo.variant == VariantNormal) {
11883 VariantClass v = StringToVariant(gameInfo.event);
11884 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
11885 if(v < VariantShogi) gameInfo.variant = v;
11888 if( appData.autoDisplayTags ) {
11889 tags = PGNTags(&gameInfo);
11890 TagsPopUp(tags, CmailMsg());
11895 /* Make something up, but don't display it now */
11900 if (cm == PositionDiagram) {
11903 Board initial_position;
11905 if (appData.debugMode)
11906 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
11908 if (!startedFromSetupPosition) {
11910 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
11911 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
11922 initial_position[i][j++] = CharToPiece(*p);
11925 while (*p == ' ' || *p == '\t' ||
11926 *p == '\n' || *p == '\r') p++;
11928 if (strncmp(p, "black", strlen("black"))==0)
11929 blackPlaysFirst = TRUE;
11931 blackPlaysFirst = FALSE;
11932 startedFromSetupPosition = TRUE;
11934 CopyBoard(boards[0], initial_position);
11935 if (blackPlaysFirst) {
11936 currentMove = forwardMostMove = backwardMostMove = 1;
11937 CopyBoard(boards[1], initial_position);
11938 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
11939 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
11940 timeRemaining[0][1] = whiteTimeRemaining;
11941 timeRemaining[1][1] = blackTimeRemaining;
11942 if (commentList[0] != NULL) {
11943 commentList[1] = commentList[0];
11944 commentList[0] = NULL;
11947 currentMove = forwardMostMove = backwardMostMove = 0;
11950 yyboardindex = forwardMostMove;
11951 cm = (ChessMove) Myylex();
11954 if (first.pr == NoProc) {
11955 StartChessProgram(&first);
11957 InitChessProgram(&first, FALSE);
11958 SendToProgram("force\n", &first);
11959 if (startedFromSetupPosition) {
11960 SendBoard(&first, forwardMostMove);
11961 if (appData.debugMode) {
11962 fprintf(debugFP, "Load Game\n");
11964 DisplayBothClocks();
11967 /* [HGM] server: flag to write setup moves in broadcast file as one */
11968 loadFlag = appData.suppressLoadMoves;
11970 while (cm == Comment) {
11972 if (appData.debugMode)
11973 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11975 AppendComment(currentMove, p, FALSE);
11976 yyboardindex = forwardMostMove;
11977 cm = (ChessMove) Myylex();
11980 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
11981 cm == WhiteWins || cm == BlackWins ||
11982 cm == GameIsDrawn || cm == GameUnfinished) {
11983 DisplayMessage("", _("No moves in game"));
11984 if (cmailMsgLoaded) {
11985 if (appData.debugMode)
11986 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
11990 DrawPosition(FALSE, boards[currentMove]);
11991 DisplayBothClocks();
11992 gameMode = EditGame;
11999 // [HGM] PV info: routine tests if comment empty
12000 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12001 DisplayComment(currentMove - 1, commentList[currentMove]);
12003 if (!matchMode && appData.timeDelay != 0)
12004 DrawPosition(FALSE, boards[currentMove]);
12006 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12007 programStats.ok_to_send = 1;
12010 /* if the first token after the PGN tags is a move
12011 * and not move number 1, retrieve it from the parser
12013 if (cm != MoveNumberOne)
12014 LoadGameOneMove(cm);
12016 /* load the remaining moves from the file */
12017 while (LoadGameOneMove(EndOfFile)) {
12018 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12019 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12022 /* rewind to the start of the game */
12023 currentMove = backwardMostMove;
12025 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12027 if (oldGameMode == AnalyzeFile ||
12028 oldGameMode == AnalyzeMode) {
12029 AnalyzeFileEvent();
12032 if (!matchMode && pos >= 0) {
12033 ToNrEvent(pos); // [HGM] no autoplay if selected on position
12035 if (matchMode || appData.timeDelay == 0) {
12037 } else if (appData.timeDelay > 0) {
12038 AutoPlayGameLoop();
12041 if (appData.debugMode)
12042 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
12044 loadFlag = 0; /* [HGM] true game starts */
12048 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
12050 ReloadPosition (int offset)
12052 int positionNumber = lastLoadPositionNumber + offset;
12053 if (lastLoadPositionFP == NULL) {
12054 DisplayError(_("No position has been loaded yet"), 0);
12057 if (positionNumber <= 0) {
12058 DisplayError(_("Can't back up any further"), 0);
12061 return LoadPosition(lastLoadPositionFP, positionNumber,
12062 lastLoadPositionTitle);
12065 /* Load the nth position from the given file */
12067 LoadPositionFromFile (char *filename, int n, char *title)
12072 if (strcmp(filename, "-") == 0) {
12073 return LoadPosition(stdin, n, "stdin");
12075 f = fopen(filename, "rb");
12077 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12078 DisplayError(buf, errno);
12081 return LoadPosition(f, n, title);
12086 /* Load the nth position from the given open file, and close it */
12088 LoadPosition (FILE *f, int positionNumber, char *title)
12090 char *p, line[MSG_SIZ];
12091 Board initial_position;
12092 int i, j, fenMode, pn;
12094 if (gameMode == Training )
12095 SetTrainingModeOff();
12097 if (gameMode != BeginningOfGame) {
12098 Reset(FALSE, TRUE);
12100 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
12101 fclose(lastLoadPositionFP);
12103 if (positionNumber == 0) positionNumber = 1;
12104 lastLoadPositionFP = f;
12105 lastLoadPositionNumber = positionNumber;
12106 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
12107 if (first.pr == NoProc && !appData.noChessProgram) {
12108 StartChessProgram(&first);
12109 InitChessProgram(&first, FALSE);
12111 pn = positionNumber;
12112 if (positionNumber < 0) {
12113 /* Negative position number means to seek to that byte offset */
12114 if (fseek(f, -positionNumber, 0) == -1) {
12115 DisplayError(_("Can't seek on position file"), 0);
12120 if (fseek(f, 0, 0) == -1) {
12121 if (f == lastLoadPositionFP ?
12122 positionNumber == lastLoadPositionNumber + 1 :
12123 positionNumber == 1) {
12126 DisplayError(_("Can't seek on position file"), 0);
12131 /* See if this file is FEN or old-style xboard */
12132 if (fgets(line, MSG_SIZ, f) == NULL) {
12133 DisplayError(_("Position not found in file"), 0);
12136 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
12137 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
12140 if (fenMode || line[0] == '#') pn--;
12142 /* skip positions before number pn */
12143 if (fgets(line, MSG_SIZ, f) == NULL) {
12145 DisplayError(_("Position not found in file"), 0);
12148 if (fenMode || line[0] == '#') pn--;
12153 if (!ParseFEN(initial_position, &blackPlaysFirst, line)) {
12154 DisplayError(_("Bad FEN position in file"), 0);
12158 (void) fgets(line, MSG_SIZ, f);
12159 (void) fgets(line, MSG_SIZ, f);
12161 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
12162 (void) fgets(line, MSG_SIZ, f);
12163 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
12166 initial_position[i][j++] = CharToPiece(*p);
12170 blackPlaysFirst = FALSE;
12172 (void) fgets(line, MSG_SIZ, f);
12173 if (strncmp(line, "black", strlen("black"))==0)
12174 blackPlaysFirst = TRUE;
12177 startedFromSetupPosition = TRUE;
12179 CopyBoard(boards[0], initial_position);
12180 if (blackPlaysFirst) {
12181 currentMove = forwardMostMove = backwardMostMove = 1;
12182 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12183 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12184 CopyBoard(boards[1], initial_position);
12185 DisplayMessage("", _("Black to play"));
12187 currentMove = forwardMostMove = backwardMostMove = 0;
12188 DisplayMessage("", _("White to play"));
12190 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
12191 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
12192 SendToProgram("force\n", &first);
12193 SendBoard(&first, forwardMostMove);
12195 if (appData.debugMode) {
12197 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
12198 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
12199 fprintf(debugFP, "Load Position\n");
12202 if (positionNumber > 1) {
12203 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
12204 DisplayTitle(line);
12206 DisplayTitle(title);
12208 gameMode = EditGame;
12211 timeRemaining[0][1] = whiteTimeRemaining;
12212 timeRemaining[1][1] = blackTimeRemaining;
12213 DrawPosition(FALSE, boards[currentMove]);
12220 CopyPlayerNameIntoFileName (char **dest, char *src)
12222 while (*src != NULLCHAR && *src != ',') {
12227 *(*dest)++ = *src++;
12233 DefaultFileName (char *ext)
12235 static char def[MSG_SIZ];
12238 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
12240 CopyPlayerNameIntoFileName(&p, gameInfo.white);
12242 CopyPlayerNameIntoFileName(&p, gameInfo.black);
12244 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
12251 /* Save the current game to the given file */
12253 SaveGameToFile (char *filename, int append)
12257 int result, i, t,tot=0;
12259 if (strcmp(filename, "-") == 0) {
12260 return SaveGame(stdout, 0, NULL);
12262 for(i=0; i<10; i++) { // upto 10 tries
12263 f = fopen(filename, append ? "a" : "w");
12264 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
12265 if(f || errno != 13) break;
12266 DoSleep(t = 5 + random()%11); // wait 5-15 msec
12270 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12271 DisplayError(buf, errno);
12274 safeStrCpy(buf, lastMsg, MSG_SIZ);
12275 DisplayMessage(_("Waiting for access to save file"), "");
12276 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
12277 DisplayMessage(_("Saving game"), "");
12278 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
12279 result = SaveGame(f, 0, NULL);
12280 DisplayMessage(buf, "");
12287 SavePart (char *str)
12289 static char buf[MSG_SIZ];
12292 p = strchr(str, ' ');
12293 if (p == NULL) return str;
12294 strncpy(buf, str, p - str);
12295 buf[p - str] = NULLCHAR;
12299 #define PGN_MAX_LINE 75
12301 #define PGN_SIDE_WHITE 0
12302 #define PGN_SIDE_BLACK 1
12305 FindFirstMoveOutOfBook (int side)
12309 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
12310 int index = backwardMostMove;
12311 int has_book_hit = 0;
12313 if( (index % 2) != side ) {
12317 while( index < forwardMostMove ) {
12318 /* Check to see if engine is in book */
12319 int depth = pvInfoList[index].depth;
12320 int score = pvInfoList[index].score;
12326 else if( score == 0 && depth == 63 ) {
12327 in_book = 1; /* Zappa */
12329 else if( score == 2 && depth == 99 ) {
12330 in_book = 1; /* Abrok */
12333 has_book_hit += in_book;
12349 GetOutOfBookInfo (char * buf)
12353 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12355 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
12356 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
12360 if( oob[0] >= 0 || oob[1] >= 0 ) {
12361 for( i=0; i<2; i++ ) {
12365 if( i > 0 && oob[0] >= 0 ) {
12366 strcat( buf, " " );
12369 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
12370 sprintf( buf+strlen(buf), "%s%.2f",
12371 pvInfoList[idx].score >= 0 ? "+" : "",
12372 pvInfoList[idx].score / 100.0 );
12378 /* Save game in PGN style and close the file */
12380 SaveGamePGN (FILE *f)
12382 int i, offset, linelen, newblock;
12386 int movelen, numlen, blank;
12387 char move_buffer[100]; /* [AS] Buffer for move+PV info */
12389 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12391 tm = time((time_t *) NULL);
12393 PrintPGNTags(f, &gameInfo);
12395 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
12397 if (backwardMostMove > 0 || startedFromSetupPosition) {
12398 char *fen = PositionToFEN(backwardMostMove, NULL);
12399 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
12400 fprintf(f, "\n{--------------\n");
12401 PrintPosition(f, backwardMostMove);
12402 fprintf(f, "--------------}\n");
12406 /* [AS] Out of book annotation */
12407 if( appData.saveOutOfBookInfo ) {
12410 GetOutOfBookInfo( buf );
12412 if( buf[0] != '\0' ) {
12413 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
12420 i = backwardMostMove;
12424 while (i < forwardMostMove) {
12425 /* Print comments preceding this move */
12426 if (commentList[i] != NULL) {
12427 if (linelen > 0) fprintf(f, "\n");
12428 fprintf(f, "%s", commentList[i]);
12433 /* Format move number */
12435 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
12438 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
12440 numtext[0] = NULLCHAR;
12442 numlen = strlen(numtext);
12445 /* Print move number */
12446 blank = linelen > 0 && numlen > 0;
12447 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
12456 fprintf(f, "%s", numtext);
12460 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
12461 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
12464 blank = linelen > 0 && movelen > 0;
12465 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12474 fprintf(f, "%s", move_buffer);
12475 linelen += movelen;
12477 /* [AS] Add PV info if present */
12478 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
12479 /* [HGM] add time */
12480 char buf[MSG_SIZ]; int seconds;
12482 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
12488 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
12491 seconds = (seconds + 4)/10; // round to full seconds
12493 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
12495 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
12498 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
12499 pvInfoList[i].score >= 0 ? "+" : "",
12500 pvInfoList[i].score / 100.0,
12501 pvInfoList[i].depth,
12504 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
12506 /* Print score/depth */
12507 blank = linelen > 0 && movelen > 0;
12508 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
12517 fprintf(f, "%s", move_buffer);
12518 linelen += movelen;
12524 /* Start a new line */
12525 if (linelen > 0) fprintf(f, "\n");
12527 /* Print comments after last move */
12528 if (commentList[i] != NULL) {
12529 fprintf(f, "%s\n", commentList[i]);
12533 if (gameInfo.resultDetails != NULL &&
12534 gameInfo.resultDetails[0] != NULLCHAR) {
12535 fprintf(f, "{%s} %s\n\n", gameInfo.resultDetails,
12536 PGNResult(gameInfo.result));
12538 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12542 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12546 /* Save game in old style and close the file */
12548 SaveGameOldStyle (FILE *f)
12553 tm = time((time_t *) NULL);
12555 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
12558 if (backwardMostMove > 0 || startedFromSetupPosition) {
12559 fprintf(f, "\n[--------------\n");
12560 PrintPosition(f, backwardMostMove);
12561 fprintf(f, "--------------]\n");
12566 i = backwardMostMove;
12567 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
12569 while (i < forwardMostMove) {
12570 if (commentList[i] != NULL) {
12571 fprintf(f, "[%s]\n", commentList[i]);
12574 if ((i % 2) == 1) {
12575 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
12578 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
12580 if (commentList[i] != NULL) {
12584 if (i >= forwardMostMove) {
12588 fprintf(f, "%s\n", parseList[i]);
12593 if (commentList[i] != NULL) {
12594 fprintf(f, "[%s]\n", commentList[i]);
12597 /* This isn't really the old style, but it's close enough */
12598 if (gameInfo.resultDetails != NULL &&
12599 gameInfo.resultDetails[0] != NULLCHAR) {
12600 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
12601 gameInfo.resultDetails);
12603 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
12610 /* Save the current game to open file f and close the file */
12612 SaveGame (FILE *f, int dummy, char *dummy2)
12614 if (gameMode == EditPosition) EditPositionDone(TRUE);
12615 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
12616 if (appData.oldSaveStyle)
12617 return SaveGameOldStyle(f);
12619 return SaveGamePGN(f);
12622 /* Save the current position to the given file */
12624 SavePositionToFile (char *filename)
12629 if (strcmp(filename, "-") == 0) {
12630 return SavePosition(stdout, 0, NULL);
12632 f = fopen(filename, "a");
12634 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12635 DisplayError(buf, errno);
12638 safeStrCpy(buf, lastMsg, MSG_SIZ);
12639 DisplayMessage(_("Waiting for access to save file"), "");
12640 flock(fileno(f), LOCK_EX); // [HGM] lock
12641 DisplayMessage(_("Saving position"), "");
12642 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
12643 SavePosition(f, 0, NULL);
12644 DisplayMessage(buf, "");
12650 /* Save the current position to the given open file and close the file */
12652 SavePosition (FILE *f, int dummy, char *dummy2)
12657 if (gameMode == EditPosition) EditPositionDone(TRUE);
12658 if (appData.oldSaveStyle) {
12659 tm = time((time_t *) NULL);
12661 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
12663 fprintf(f, "[--------------\n");
12664 PrintPosition(f, currentMove);
12665 fprintf(f, "--------------]\n");
12667 fen = PositionToFEN(currentMove, NULL);
12668 fprintf(f, "%s\n", fen);
12676 ReloadCmailMsgEvent (int unregister)
12679 static char *inFilename = NULL;
12680 static char *outFilename;
12682 struct stat inbuf, outbuf;
12685 /* Any registered moves are unregistered if unregister is set, */
12686 /* i.e. invoked by the signal handler */
12688 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12689 cmailMoveRegistered[i] = FALSE;
12690 if (cmailCommentList[i] != NULL) {
12691 free(cmailCommentList[i]);
12692 cmailCommentList[i] = NULL;
12695 nCmailMovesRegistered = 0;
12698 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
12699 cmailResult[i] = CMAIL_NOT_RESULT;
12703 if (inFilename == NULL) {
12704 /* Because the filenames are static they only get malloced once */
12705 /* and they never get freed */
12706 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
12707 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
12709 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
12710 sprintf(outFilename, "%s.out", appData.cmailGameName);
12713 status = stat(outFilename, &outbuf);
12715 cmailMailedMove = FALSE;
12717 status = stat(inFilename, &inbuf);
12718 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
12721 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
12722 counts the games, notes how each one terminated, etc.
12724 It would be nice to remove this kludge and instead gather all
12725 the information while building the game list. (And to keep it
12726 in the game list nodes instead of having a bunch of fixed-size
12727 parallel arrays.) Note this will require getting each game's
12728 termination from the PGN tags, as the game list builder does
12729 not process the game moves. --mann
12731 cmailMsgLoaded = TRUE;
12732 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
12734 /* Load first game in the file or popup game menu */
12735 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
12737 #endif /* !WIN32 */
12745 char string[MSG_SIZ];
12747 if ( cmailMailedMove
12748 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
12749 return TRUE; /* Allow free viewing */
12752 /* Unregister move to ensure that we don't leave RegisterMove */
12753 /* with the move registered when the conditions for registering no */
12755 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12756 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12757 nCmailMovesRegistered --;
12759 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
12761 free(cmailCommentList[lastLoadGameNumber - 1]);
12762 cmailCommentList[lastLoadGameNumber - 1] = NULL;
12766 if (cmailOldMove == -1) {
12767 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
12771 if (currentMove > cmailOldMove + 1) {
12772 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
12776 if (currentMove < cmailOldMove) {
12777 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
12781 if (forwardMostMove > currentMove) {
12782 /* Silently truncate extra moves */
12786 if ( (currentMove == cmailOldMove + 1)
12787 || ( (currentMove == cmailOldMove)
12788 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
12789 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
12790 if (gameInfo.result != GameUnfinished) {
12791 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
12794 if (commentList[currentMove] != NULL) {
12795 cmailCommentList[lastLoadGameNumber - 1]
12796 = StrSave(commentList[currentMove]);
12798 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
12800 if (appData.debugMode)
12801 fprintf(debugFP, "Saving %s for game %d\n",
12802 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12804 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
12806 f = fopen(string, "w");
12807 if (appData.oldSaveStyle) {
12808 SaveGameOldStyle(f); /* also closes the file */
12810 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
12811 f = fopen(string, "w");
12812 SavePosition(f, 0, NULL); /* also closes the file */
12814 fprintf(f, "{--------------\n");
12815 PrintPosition(f, currentMove);
12816 fprintf(f, "--------------}\n\n");
12818 SaveGame(f, 0, NULL); /* also closes the file*/
12821 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
12822 nCmailMovesRegistered ++;
12823 } else if (nCmailGames == 1) {
12824 DisplayError(_("You have not made a move yet"), 0);
12835 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
12836 FILE *commandOutput;
12837 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
12838 int nBytes = 0; /* Suppress warnings on uninitialized variables */
12844 if (! cmailMsgLoaded) {
12845 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
12849 if (nCmailGames == nCmailResults) {
12850 DisplayError(_("No unfinished games"), 0);
12854 #if CMAIL_PROHIBIT_REMAIL
12855 if (cmailMailedMove) {
12856 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);
12857 DisplayError(msg, 0);
12862 if (! (cmailMailedMove || RegisterMove())) return;
12864 if ( cmailMailedMove
12865 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
12866 snprintf(string, MSG_SIZ, partCommandString,
12867 appData.debugMode ? " -v" : "", appData.cmailGameName);
12868 commandOutput = popen(string, "r");
12870 if (commandOutput == NULL) {
12871 DisplayError(_("Failed to invoke cmail"), 0);
12873 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
12874 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
12876 if (nBuffers > 1) {
12877 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
12878 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
12879 nBytes = MSG_SIZ - 1;
12881 (void) memcpy(msg, buffer, nBytes);
12883 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
12885 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
12886 cmailMailedMove = TRUE; /* Prevent >1 moves */
12889 for (i = 0; i < nCmailGames; i ++) {
12890 if (cmailResult[i] == CMAIL_NOT_RESULT) {
12895 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
12897 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
12899 appData.cmailGameName,
12901 LoadGameFromFile(buffer, 1, buffer, FALSE);
12902 cmailMsgLoaded = FALSE;
12906 DisplayInformation(msg);
12907 pclose(commandOutput);
12910 if ((*cmailMsg) != '\0') {
12911 DisplayInformation(cmailMsg);
12916 #endif /* !WIN32 */
12925 int prependComma = 0;
12927 char string[MSG_SIZ]; /* Space for game-list */
12930 if (!cmailMsgLoaded) return "";
12932 if (cmailMailedMove) {
12933 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
12935 /* Create a list of games left */
12936 snprintf(string, MSG_SIZ, "[");
12937 for (i = 0; i < nCmailGames; i ++) {
12938 if (! ( cmailMoveRegistered[i]
12939 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
12940 if (prependComma) {
12941 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
12943 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
12947 strcat(string, number);
12950 strcat(string, "]");
12952 if (nCmailMovesRegistered + nCmailResults == 0) {
12953 switch (nCmailGames) {
12955 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
12959 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
12963 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
12968 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
12970 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
12975 if (nCmailResults == nCmailGames) {
12976 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
12978 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
12983 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
12995 if (gameMode == Training)
12996 SetTrainingModeOff();
12999 cmailMsgLoaded = FALSE;
13000 if (appData.icsActive) {
13001 SendToICS(ics_prefix);
13002 SendToICS("refresh\n");
13007 ExitEvent (int status)
13011 /* Give up on clean exit */
13015 /* Keep trying for clean exit */
13019 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13021 if (telnetISR != NULL) {
13022 RemoveInputSource(telnetISR);
13024 if (icsPR != NoProc) {
13025 DestroyChildProcess(icsPR, TRUE);
13028 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13029 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13031 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
13032 /* make sure this other one finishes before killing it! */
13033 if(endingGame) { int count = 0;
13034 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
13035 while(endingGame && count++ < 10) DoSleep(1);
13036 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
13039 /* Kill off chess programs */
13040 if (first.pr != NoProc) {
13043 DoSleep( appData.delayBeforeQuit );
13044 SendToProgram("quit\n", &first);
13045 DoSleep( appData.delayAfterQuit );
13046 DestroyChildProcess(first.pr, 10 /* [AS] first.useSigterm */ );
13048 if (second.pr != NoProc) {
13049 DoSleep( appData.delayBeforeQuit );
13050 SendToProgram("quit\n", &second);
13051 DoSleep( appData.delayAfterQuit );
13052 DestroyChildProcess(second.pr, 10 /* [AS] second.useSigterm */ );
13054 if (first.isr != NULL) {
13055 RemoveInputSource(first.isr);
13057 if (second.isr != NULL) {
13058 RemoveInputSource(second.isr);
13061 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
13062 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
13064 ShutDownFrontEnd();
13071 if (appData.debugMode)
13072 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
13076 if (gameMode == MachinePlaysWhite ||
13077 gameMode == MachinePlaysBlack) {
13080 DisplayBothClocks();
13082 if (gameMode == PlayFromGameFile) {
13083 if (appData.timeDelay >= 0)
13084 AutoPlayGameLoop();
13085 } else if (gameMode == IcsExamining && pauseExamInvalid) {
13086 Reset(FALSE, TRUE);
13087 SendToICS(ics_prefix);
13088 SendToICS("refresh\n");
13089 } else if (currentMove < forwardMostMove) {
13090 ForwardInner(forwardMostMove);
13092 pauseExamInvalid = FALSE;
13094 switch (gameMode) {
13098 pauseExamForwardMostMove = forwardMostMove;
13099 pauseExamInvalid = FALSE;
13102 case IcsPlayingWhite:
13103 case IcsPlayingBlack:
13107 case PlayFromGameFile:
13108 (void) StopLoadGameTimer();
13112 case BeginningOfGame:
13113 if (appData.icsActive) return;
13114 /* else fall through */
13115 case MachinePlaysWhite:
13116 case MachinePlaysBlack:
13117 case TwoMachinesPlay:
13118 if (forwardMostMove == 0)
13119 return; /* don't pause if no one has moved */
13120 if ((gameMode == MachinePlaysWhite &&
13121 !WhiteOnMove(forwardMostMove)) ||
13122 (gameMode == MachinePlaysBlack &&
13123 WhiteOnMove(forwardMostMove))) {
13134 EditCommentEvent ()
13136 char title[MSG_SIZ];
13138 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
13139 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
13141 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
13142 WhiteOnMove(currentMove - 1) ? " " : ".. ",
13143 parseList[currentMove - 1]);
13146 EditCommentPopUp(currentMove, title, commentList[currentMove]);
13153 char *tags = PGNTags(&gameInfo);
13155 EditTagsPopUp(tags, NULL);
13160 AnalyzeModeEvent ()
13162 if (appData.noChessProgram || gameMode == AnalyzeMode)
13165 if (gameMode != AnalyzeFile) {
13166 if (!appData.icsEngineAnalyze) {
13168 if (gameMode != EditGame) return;
13170 ResurrectChessProgram();
13171 SendToProgram("analyze\n", &first);
13172 first.analyzing = TRUE;
13173 /*first.maybeThinking = TRUE;*/
13174 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13175 EngineOutputPopUp();
13177 if (!appData.icsEngineAnalyze) gameMode = AnalyzeMode;
13182 StartAnalysisClock();
13183 GetTimeMark(&lastNodeCountTime);
13188 AnalyzeFileEvent ()
13190 if (appData.noChessProgram || gameMode == AnalyzeFile)
13193 if (gameMode != AnalyzeMode) {
13195 if (gameMode != EditGame) return;
13196 ResurrectChessProgram();
13197 SendToProgram("analyze\n", &first);
13198 first.analyzing = TRUE;
13199 /*first.maybeThinking = TRUE;*/
13200 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
13201 EngineOutputPopUp();
13203 gameMode = AnalyzeFile;
13208 StartAnalysisClock();
13209 GetTimeMark(&lastNodeCountTime);
13211 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0 * appData.timeDelay));
13215 MachineWhiteEvent ()
13218 char *bookHit = NULL;
13220 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
13224 if (gameMode == PlayFromGameFile ||
13225 gameMode == TwoMachinesPlay ||
13226 gameMode == Training ||
13227 gameMode == AnalyzeMode ||
13228 gameMode == EndOfGame)
13231 if (gameMode == EditPosition)
13232 EditPositionDone(TRUE);
13234 if (!WhiteOnMove(currentMove)) {
13235 DisplayError(_("It is not White's turn"), 0);
13239 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13242 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13243 gameMode == AnalyzeFile)
13246 ResurrectChessProgram(); /* in case it isn't running */
13247 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
13248 gameMode = MachinePlaysWhite;
13251 gameMode = MachinePlaysWhite;
13255 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13257 if (first.sendName) {
13258 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
13259 SendToProgram(buf, &first);
13261 if (first.sendTime) {
13262 if (first.useColors) {
13263 SendToProgram("black\n", &first); /*gnu kludge*/
13265 SendTimeRemaining(&first, TRUE);
13267 if (first.useColors) {
13268 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
13270 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13271 SetMachineThinkingEnables();
13272 first.maybeThinking = TRUE;
13276 if (appData.autoFlipView && !flipView) {
13277 flipView = !flipView;
13278 DrawPosition(FALSE, NULL);
13279 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13282 if(bookHit) { // [HGM] book: simulate book reply
13283 static char bookMove[MSG_SIZ]; // a bit generous?
13285 programStats.nodes = programStats.depth = programStats.time =
13286 programStats.score = programStats.got_only_move = 0;
13287 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13289 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13290 strcat(bookMove, bookHit);
13291 HandleMachineMove(bookMove, &first);
13296 MachineBlackEvent ()
13299 char *bookHit = NULL;
13301 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
13305 if (gameMode == PlayFromGameFile ||
13306 gameMode == TwoMachinesPlay ||
13307 gameMode == Training ||
13308 gameMode == AnalyzeMode ||
13309 gameMode == EndOfGame)
13312 if (gameMode == EditPosition)
13313 EditPositionDone(TRUE);
13315 if (WhiteOnMove(currentMove)) {
13316 DisplayError(_("It is not Black's turn"), 0);
13320 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
13323 if (gameMode == EditGame || gameMode == AnalyzeMode ||
13324 gameMode == AnalyzeFile)
13327 ResurrectChessProgram(); /* in case it isn't running */
13328 gameMode = MachinePlaysBlack;
13332 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13334 if (first.sendName) {
13335 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
13336 SendToProgram(buf, &first);
13338 if (first.sendTime) {
13339 if (first.useColors) {
13340 SendToProgram("white\n", &first); /*gnu kludge*/
13342 SendTimeRemaining(&first, FALSE);
13344 if (first.useColors) {
13345 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
13347 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
13348 SetMachineThinkingEnables();
13349 first.maybeThinking = TRUE;
13352 if (appData.autoFlipView && flipView) {
13353 flipView = !flipView;
13354 DrawPosition(FALSE, NULL);
13355 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
13357 if(bookHit) { // [HGM] book: simulate book reply
13358 static char bookMove[MSG_SIZ]; // a bit generous?
13360 programStats.nodes = programStats.depth = programStats.time =
13361 programStats.score = programStats.got_only_move = 0;
13362 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13364 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13365 strcat(bookMove, bookHit);
13366 HandleMachineMove(bookMove, &first);
13372 DisplayTwoMachinesTitle ()
13375 if (appData.matchGames > 0) {
13376 if(appData.tourneyFile[0]) {
13377 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
13378 gameInfo.white, _("vs."), gameInfo.black,
13379 nextGame+1, appData.matchGames+1,
13380 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
13382 if (first.twoMachinesColor[0] == 'w') {
13383 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13384 gameInfo.white, _("vs."), gameInfo.black,
13385 first.matchWins, second.matchWins,
13386 matchGame - 1 - (first.matchWins + second.matchWins));
13388 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
13389 gameInfo.white, _("vs."), gameInfo.black,
13390 second.matchWins, first.matchWins,
13391 matchGame - 1 - (first.matchWins + second.matchWins));
13394 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
13400 SettingsMenuIfReady ()
13402 if (second.lastPing != second.lastPong) {
13403 DisplayMessage("", _("Waiting for second chess program"));
13404 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
13408 DisplayMessage("", "");
13409 SettingsPopUp(&second);
13413 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
13416 if (cps->pr == NoProc) {
13417 StartChessProgram(cps);
13418 if (cps->protocolVersion == 1) {
13421 /* kludge: allow timeout for initial "feature" command */
13423 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
13424 DisplayMessage("", buf);
13425 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
13433 TwoMachinesEvent P((void))
13437 ChessProgramState *onmove;
13438 char *bookHit = NULL;
13439 static int stalling = 0;
13443 if (appData.noChessProgram) return;
13445 switch (gameMode) {
13446 case TwoMachinesPlay:
13448 case MachinePlaysWhite:
13449 case MachinePlaysBlack:
13450 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
13451 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
13455 case BeginningOfGame:
13456 case PlayFromGameFile:
13459 if (gameMode != EditGame) return;
13462 EditPositionDone(TRUE);
13473 // forwardMostMove = currentMove;
13474 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
13476 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
13478 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
13479 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
13480 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13484 InitChessProgram(&second, FALSE); // unbalances ping of second engine
13485 SendToProgram("force\n", &second);
13487 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
13490 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
13491 if(appData.matchPause>10000 || appData.matchPause<10)
13492 appData.matchPause = 10000; /* [HGM] make pause adjustable */
13493 wait = SubtractTimeMarks(&now, &pauseStart);
13494 if(wait < appData.matchPause) {
13495 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
13498 // we are now committed to starting the game
13500 DisplayMessage("", "");
13501 if (startedFromSetupPosition) {
13502 SendBoard(&second, backwardMostMove);
13503 if (appData.debugMode) {
13504 fprintf(debugFP, "Two Machines\n");
13507 for (i = backwardMostMove; i < forwardMostMove; i++) {
13508 SendMoveToProgram(i, &second);
13511 gameMode = TwoMachinesPlay;
13513 ModeHighlight(); // [HGM] logo: this triggers display update of logos
13515 DisplayTwoMachinesTitle();
13517 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
13522 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
13523 SendToProgram(first.computerString, &first);
13524 if (first.sendName) {
13525 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
13526 SendToProgram(buf, &first);
13528 SendToProgram(second.computerString, &second);
13529 if (second.sendName) {
13530 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
13531 SendToProgram(buf, &second);
13535 if (!first.sendTime || !second.sendTime) {
13536 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13537 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13539 if (onmove->sendTime) {
13540 if (onmove->useColors) {
13541 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
13543 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
13545 if (onmove->useColors) {
13546 SendToProgram(onmove->twoMachinesColor, onmove);
13548 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
13549 // SendToProgram("go\n", onmove);
13550 onmove->maybeThinking = TRUE;
13551 SetMachineThinkingEnables();
13555 if(bookHit) { // [HGM] book: simulate book reply
13556 static char bookMove[MSG_SIZ]; // a bit generous?
13558 programStats.nodes = programStats.depth = programStats.time =
13559 programStats.score = programStats.got_only_move = 0;
13560 sprintf(programStats.movelist, "%s (xbook)", bookHit);
13562 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
13563 strcat(bookMove, bookHit);
13564 savedMessage = bookMove; // args for deferred call
13565 savedState = onmove;
13566 ScheduleDelayedEvent(DeferredBookMove, 1);
13573 if (gameMode == Training) {
13574 SetTrainingModeOff();
13575 gameMode = PlayFromGameFile;
13576 DisplayMessage("", _("Training mode off"));
13578 gameMode = Training;
13579 animateTraining = appData.animate;
13581 /* make sure we are not already at the end of the game */
13582 if (currentMove < forwardMostMove) {
13583 SetTrainingModeOn();
13584 DisplayMessage("", _("Training mode on"));
13586 gameMode = PlayFromGameFile;
13587 DisplayError(_("Already at end of game"), 0);
13596 if (!appData.icsActive) return;
13597 switch (gameMode) {
13598 case IcsPlayingWhite:
13599 case IcsPlayingBlack:
13602 case BeginningOfGame:
13610 EditPositionDone(TRUE);
13623 gameMode = IcsIdle;
13633 switch (gameMode) {
13635 SetTrainingModeOff();
13637 case MachinePlaysWhite:
13638 case MachinePlaysBlack:
13639 case BeginningOfGame:
13640 SendToProgram("force\n", &first);
13641 SetUserThinkingEnables();
13643 case PlayFromGameFile:
13644 (void) StopLoadGameTimer();
13645 if (gameFileFP != NULL) {
13650 EditPositionDone(TRUE);
13655 SendToProgram("force\n", &first);
13657 case TwoMachinesPlay:
13658 GameEnds(EndOfFile, NULL, GE_PLAYER);
13659 ResurrectChessProgram();
13660 SetUserThinkingEnables();
13663 ResurrectChessProgram();
13665 case IcsPlayingBlack:
13666 case IcsPlayingWhite:
13667 DisplayError(_("Warning: You are still playing a game"), 0);
13670 DisplayError(_("Warning: You are still observing a game"), 0);
13673 DisplayError(_("Warning: You are still examining a game"), 0);
13684 first.offeredDraw = second.offeredDraw = 0;
13686 if (gameMode == PlayFromGameFile) {
13687 whiteTimeRemaining = timeRemaining[0][currentMove];
13688 blackTimeRemaining = timeRemaining[1][currentMove];
13692 if (gameMode == MachinePlaysWhite ||
13693 gameMode == MachinePlaysBlack ||
13694 gameMode == TwoMachinesPlay ||
13695 gameMode == EndOfGame) {
13696 i = forwardMostMove;
13697 while (i > currentMove) {
13698 SendToProgram("undo\n", &first);
13701 if(!adjustedClock) {
13702 whiteTimeRemaining = timeRemaining[0][currentMove];
13703 blackTimeRemaining = timeRemaining[1][currentMove];
13704 DisplayBothClocks();
13706 if (whiteFlag || blackFlag) {
13707 whiteFlag = blackFlag = 0;
13712 gameMode = EditGame;
13719 EditPositionEvent ()
13721 if (gameMode == EditPosition) {
13727 if (gameMode != EditGame) return;
13729 gameMode = EditPosition;
13732 if (currentMove > 0)
13733 CopyBoard(boards[0], boards[currentMove]);
13735 blackPlaysFirst = !WhiteOnMove(currentMove);
13737 currentMove = forwardMostMove = backwardMostMove = 0;
13738 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13740 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
13746 /* [DM] icsEngineAnalyze - possible call from other functions */
13747 if (appData.icsEngineAnalyze) {
13748 appData.icsEngineAnalyze = FALSE;
13750 DisplayMessage("",_("Close ICS engine analyze..."));
13752 if (first.analysisSupport && first.analyzing) {
13753 SendToProgram("exit\n", &first);
13754 first.analyzing = FALSE;
13756 thinkOutput[0] = NULLCHAR;
13760 EditPositionDone (Boolean fakeRights)
13762 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
13764 startedFromSetupPosition = TRUE;
13765 InitChessProgram(&first, FALSE);
13766 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
13767 boards[0][EP_STATUS] = EP_NONE;
13768 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
13769 if(boards[0][0][BOARD_WIDTH>>1] == king) {
13770 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? 0 : NoRights;
13771 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
13772 } else boards[0][CASTLING][2] = NoRights;
13773 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
13774 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? 0 : NoRights;
13775 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
13776 } else boards[0][CASTLING][5] = NoRights;
13778 SendToProgram("force\n", &first);
13779 if (blackPlaysFirst) {
13780 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13781 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13782 currentMove = forwardMostMove = backwardMostMove = 1;
13783 CopyBoard(boards[1], boards[0]);
13785 currentMove = forwardMostMove = backwardMostMove = 0;
13787 SendBoard(&first, forwardMostMove);
13788 if (appData.debugMode) {
13789 fprintf(debugFP, "EditPosDone\n");
13792 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13793 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13794 gameMode = EditGame;
13796 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13797 ClearHighlights(); /* [AS] */
13800 /* Pause for `ms' milliseconds */
13801 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13803 TimeDelay (long ms)
13810 } while (SubtractTimeMarks(&m2, &m1) < ms);
13813 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
13815 SendMultiLineToICS (char *buf)
13817 char temp[MSG_SIZ+1], *p;
13824 strncpy(temp, buf, len);
13829 if (*p == '\n' || *p == '\r')
13834 strcat(temp, "\n");
13836 SendToPlayer(temp, strlen(temp));
13840 SetWhiteToPlayEvent ()
13842 if (gameMode == EditPosition) {
13843 blackPlaysFirst = FALSE;
13844 DisplayBothClocks(); /* works because currentMove is 0 */
13845 } else if (gameMode == IcsExamining) {
13846 SendToICS(ics_prefix);
13847 SendToICS("tomove white\n");
13852 SetBlackToPlayEvent ()
13854 if (gameMode == EditPosition) {
13855 blackPlaysFirst = TRUE;
13856 currentMove = 1; /* kludge */
13857 DisplayBothClocks();
13859 } else if (gameMode == IcsExamining) {
13860 SendToICS(ics_prefix);
13861 SendToICS("tomove black\n");
13866 EditPositionMenuEvent (ChessSquare selection, int x, int y)
13869 ChessSquare piece = boards[0][y][x];
13871 if (gameMode != EditPosition && gameMode != IcsExamining) return;
13873 switch (selection) {
13875 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
13876 SendToICS(ics_prefix);
13877 SendToICS("bsetup clear\n");
13878 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
13879 SendToICS(ics_prefix);
13880 SendToICS("clearboard\n");
13882 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
13883 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
13884 for (y = 0; y < BOARD_HEIGHT; y++) {
13885 if (gameMode == IcsExamining) {
13886 if (boards[currentMove][y][x] != EmptySquare) {
13887 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
13892 boards[0][y][x] = p;
13897 if (gameMode == EditPosition) {
13898 DrawPosition(FALSE, boards[0]);
13903 SetWhiteToPlayEvent();
13907 SetBlackToPlayEvent();
13911 if (gameMode == IcsExamining) {
13912 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13913 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
13916 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13917 if(x == BOARD_LEFT-2) {
13918 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
13919 boards[0][y][1] = 0;
13921 if(x == BOARD_RGHT+1) {
13922 if(y >= gameInfo.holdingsSize) break;
13923 boards[0][y][BOARD_WIDTH-2] = 0;
13926 boards[0][y][x] = EmptySquare;
13927 DrawPosition(FALSE, boards[0]);
13932 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
13933 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
13934 selection = (ChessSquare) (PROMOTED piece);
13935 } else if(piece == EmptySquare) selection = WhiteSilver;
13936 else selection = (ChessSquare)((int)piece - 1);
13940 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
13941 piece > (int)BlackMan && piece <= (int)BlackKing ) {
13942 selection = (ChessSquare) (DEMOTED piece);
13943 } else if(piece == EmptySquare) selection = BlackSilver;
13944 else selection = (ChessSquare)((int)piece + 1);
13949 if(gameInfo.variant == VariantShatranj ||
13950 gameInfo.variant == VariantXiangqi ||
13951 gameInfo.variant == VariantCourier ||
13952 gameInfo.variant == VariantMakruk )
13953 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
13958 if(gameInfo.variant == VariantXiangqi)
13959 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
13960 if(gameInfo.variant == VariantKnightmate)
13961 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
13964 if (gameMode == IcsExamining) {
13965 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
13966 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
13967 PieceToChar(selection), AAA + x, ONE + y);
13970 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
13972 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
13973 n = PieceToNumber(selection - BlackPawn);
13974 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
13975 boards[0][BOARD_HEIGHT-1-n][0] = selection;
13976 boards[0][BOARD_HEIGHT-1-n][1]++;
13978 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
13979 n = PieceToNumber(selection);
13980 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
13981 boards[0][n][BOARD_WIDTH-1] = selection;
13982 boards[0][n][BOARD_WIDTH-2]++;
13985 boards[0][y][x] = selection;
13986 DrawPosition(TRUE, boards[0]);
13988 fromX = fromY = -1;
13996 DropMenuEvent (ChessSquare selection, int x, int y)
13998 ChessMove moveType;
14000 switch (gameMode) {
14001 case IcsPlayingWhite:
14002 case MachinePlaysBlack:
14003 if (!WhiteOnMove(currentMove)) {
14004 DisplayMoveError(_("It is Black's turn"));
14007 moveType = WhiteDrop;
14009 case IcsPlayingBlack:
14010 case MachinePlaysWhite:
14011 if (WhiteOnMove(currentMove)) {
14012 DisplayMoveError(_("It is White's turn"));
14015 moveType = BlackDrop;
14018 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
14024 if (moveType == BlackDrop && selection < BlackPawn) {
14025 selection = (ChessSquare) ((int) selection
14026 + (int) BlackPawn - (int) WhitePawn);
14028 if (boards[currentMove][y][x] != EmptySquare) {
14029 DisplayMoveError(_("That square is occupied"));
14033 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
14039 /* Accept a pending offer of any kind from opponent */
14041 if (appData.icsActive) {
14042 SendToICS(ics_prefix);
14043 SendToICS("accept\n");
14044 } else if (cmailMsgLoaded) {
14045 if (currentMove == cmailOldMove &&
14046 commentList[cmailOldMove] != NULL &&
14047 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14048 "Black offers a draw" : "White offers a draw")) {
14050 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14051 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14053 DisplayError(_("There is no pending offer on this move"), 0);
14054 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14057 /* Not used for offers from chess program */
14064 /* Decline a pending offer of any kind from opponent */
14066 if (appData.icsActive) {
14067 SendToICS(ics_prefix);
14068 SendToICS("decline\n");
14069 } else if (cmailMsgLoaded) {
14070 if (currentMove == cmailOldMove &&
14071 commentList[cmailOldMove] != NULL &&
14072 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14073 "Black offers a draw" : "White offers a draw")) {
14075 AppendComment(cmailOldMove, "Draw declined", TRUE);
14076 DisplayComment(cmailOldMove - 1, "Draw declined");
14079 DisplayError(_("There is no pending offer on this move"), 0);
14082 /* Not used for offers from chess program */
14089 /* Issue ICS rematch command */
14090 if (appData.icsActive) {
14091 SendToICS(ics_prefix);
14092 SendToICS("rematch\n");
14099 /* Call your opponent's flag (claim a win on time) */
14100 if (appData.icsActive) {
14101 SendToICS(ics_prefix);
14102 SendToICS("flag\n");
14104 switch (gameMode) {
14107 case MachinePlaysWhite:
14110 GameEnds(GameIsDrawn, "Both players ran out of time",
14113 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
14115 DisplayError(_("Your opponent is not out of time"), 0);
14118 case MachinePlaysBlack:
14121 GameEnds(GameIsDrawn, "Both players ran out of time",
14124 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
14126 DisplayError(_("Your opponent is not out of time"), 0);
14134 ClockClick (int which)
14135 { // [HGM] code moved to back-end from winboard.c
14136 if(which) { // black clock
14137 if (gameMode == EditPosition || gameMode == IcsExamining) {
14138 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14139 SetBlackToPlayEvent();
14140 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
14141 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
14142 } else if (shiftKey) {
14143 AdjustClock(which, -1);
14144 } else if (gameMode == IcsPlayingWhite ||
14145 gameMode == MachinePlaysBlack) {
14148 } else { // white clock
14149 if (gameMode == EditPosition || gameMode == IcsExamining) {
14150 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
14151 SetWhiteToPlayEvent();
14152 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
14153 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
14154 } else if (shiftKey) {
14155 AdjustClock(which, -1);
14156 } else if (gameMode == IcsPlayingBlack ||
14157 gameMode == MachinePlaysWhite) {
14166 /* Offer draw or accept pending draw offer from opponent */
14168 if (appData.icsActive) {
14169 /* Note: tournament rules require draw offers to be
14170 made after you make your move but before you punch
14171 your clock. Currently ICS doesn't let you do that;
14172 instead, you immediately punch your clock after making
14173 a move, but you can offer a draw at any time. */
14175 SendToICS(ics_prefix);
14176 SendToICS("draw\n");
14177 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
14178 } else if (cmailMsgLoaded) {
14179 if (currentMove == cmailOldMove &&
14180 commentList[cmailOldMove] != NULL &&
14181 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
14182 "Black offers a draw" : "White offers a draw")) {
14183 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
14184 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
14185 } else if (currentMove == cmailOldMove + 1) {
14186 char *offer = WhiteOnMove(cmailOldMove) ?
14187 "White offers a draw" : "Black offers a draw";
14188 AppendComment(currentMove, offer, TRUE);
14189 DisplayComment(currentMove - 1, offer);
14190 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
14192 DisplayError(_("You must make your move before offering a draw"), 0);
14193 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
14195 } else if (first.offeredDraw) {
14196 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
14198 if (first.sendDrawOffers) {
14199 SendToProgram("draw\n", &first);
14200 userOfferedDraw = TRUE;
14208 /* Offer Adjourn or accept pending Adjourn offer from opponent */
14210 if (appData.icsActive) {
14211 SendToICS(ics_prefix);
14212 SendToICS("adjourn\n");
14214 /* Currently GNU Chess doesn't offer or accept Adjourns */
14222 /* Offer Abort or accept pending Abort offer from opponent */
14224 if (appData.icsActive) {
14225 SendToICS(ics_prefix);
14226 SendToICS("abort\n");
14228 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
14235 /* Resign. You can do this even if it's not your turn. */
14237 if (appData.icsActive) {
14238 SendToICS(ics_prefix);
14239 SendToICS("resign\n");
14241 switch (gameMode) {
14242 case MachinePlaysWhite:
14243 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14245 case MachinePlaysBlack:
14246 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14249 if (cmailMsgLoaded) {
14251 if (WhiteOnMove(cmailOldMove)) {
14252 GameEnds(BlackWins, "White resigns", GE_PLAYER);
14254 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
14256 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
14267 StopObservingEvent ()
14269 /* Stop observing current games */
14270 SendToICS(ics_prefix);
14271 SendToICS("unobserve\n");
14275 StopExaminingEvent ()
14277 /* Stop observing current game */
14278 SendToICS(ics_prefix);
14279 SendToICS("unexamine\n");
14283 ForwardInner (int target)
14285 int limit; int oldSeekGraphUp = seekGraphUp;
14287 if (appData.debugMode)
14288 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
14289 target, currentMove, forwardMostMove);
14291 if (gameMode == EditPosition)
14294 seekGraphUp = FALSE;
14295 MarkTargetSquares(1);
14297 if (gameMode == PlayFromGameFile && !pausing)
14300 if (gameMode == IcsExamining && pausing)
14301 limit = pauseExamForwardMostMove;
14303 limit = forwardMostMove;
14305 if (target > limit) target = limit;
14307 if (target > 0 && moveList[target - 1][0]) {
14308 int fromX, fromY, toX, toY;
14309 toX = moveList[target - 1][2] - AAA;
14310 toY = moveList[target - 1][3] - ONE;
14311 if (moveList[target - 1][1] == '@') {
14312 if (appData.highlightLastMove) {
14313 SetHighlights(-1, -1, toX, toY);
14316 fromX = moveList[target - 1][0] - AAA;
14317 fromY = moveList[target - 1][1] - ONE;
14318 if (target == currentMove + 1) {
14319 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
14321 if (appData.highlightLastMove) {
14322 SetHighlights(fromX, fromY, toX, toY);
14326 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14327 gameMode == Training || gameMode == PlayFromGameFile ||
14328 gameMode == AnalyzeFile) {
14329 while (currentMove < target) {
14330 SendMoveToProgram(currentMove++, &first);
14333 currentMove = target;
14336 if (gameMode == EditGame || gameMode == EndOfGame) {
14337 whiteTimeRemaining = timeRemaining[0][currentMove];
14338 blackTimeRemaining = timeRemaining[1][currentMove];
14340 DisplayBothClocks();
14341 DisplayMove(currentMove - 1);
14342 DrawPosition(oldSeekGraphUp, boards[currentMove]);
14343 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14344 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
14345 DisplayComment(currentMove - 1, commentList[currentMove]);
14347 mappedMove = -1; // [HGM] exclude: invalidate map
14354 if (gameMode == IcsExamining && !pausing) {
14355 SendToICS(ics_prefix);
14356 SendToICS("forward\n");
14358 ForwardInner(currentMove + 1);
14365 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14366 /* to optimze, we temporarily turn off analysis mode while we feed
14367 * the remaining moves to the engine. Otherwise we get analysis output
14370 if (first.analysisSupport) {
14371 SendToProgram("exit\nforce\n", &first);
14372 first.analyzing = FALSE;
14376 if (gameMode == IcsExamining && !pausing) {
14377 SendToICS(ics_prefix);
14378 SendToICS("forward 999999\n");
14380 ForwardInner(forwardMostMove);
14383 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14384 /* we have fed all the moves, so reactivate analysis mode */
14385 SendToProgram("analyze\n", &first);
14386 first.analyzing = TRUE;
14387 /*first.maybeThinking = TRUE;*/
14388 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14393 BackwardInner (int target)
14395 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
14397 if (appData.debugMode)
14398 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
14399 target, currentMove, forwardMostMove);
14401 if (gameMode == EditPosition) return;
14402 seekGraphUp = FALSE;
14403 MarkTargetSquares(1);
14404 if (currentMove <= backwardMostMove) {
14406 DrawPosition(full_redraw, boards[currentMove]);
14409 if (gameMode == PlayFromGameFile && !pausing)
14412 if (moveList[target][0]) {
14413 int fromX, fromY, toX, toY;
14414 toX = moveList[target][2] - AAA;
14415 toY = moveList[target][3] - ONE;
14416 if (moveList[target][1] == '@') {
14417 if (appData.highlightLastMove) {
14418 SetHighlights(-1, -1, toX, toY);
14421 fromX = moveList[target][0] - AAA;
14422 fromY = moveList[target][1] - ONE;
14423 if (target == currentMove - 1) {
14424 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
14426 if (appData.highlightLastMove) {
14427 SetHighlights(fromX, fromY, toX, toY);
14431 if (gameMode == EditGame || gameMode==AnalyzeMode ||
14432 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
14433 while (currentMove > target) {
14434 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
14435 // null move cannot be undone. Reload program with move history before it.
14437 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
14438 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
14440 SendBoard(&first, i);
14441 for(currentMove=i; currentMove<target; currentMove++) SendMoveToProgram(currentMove, &first);
14444 SendToProgram("undo\n", &first);
14448 currentMove = target;
14451 if (gameMode == EditGame || gameMode == EndOfGame) {
14452 whiteTimeRemaining = timeRemaining[0][currentMove];
14453 blackTimeRemaining = timeRemaining[1][currentMove];
14455 DisplayBothClocks();
14456 DisplayMove(currentMove - 1);
14457 DrawPosition(full_redraw, boards[currentMove]);
14458 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
14459 // [HGM] PV info: routine tests if comment empty
14460 DisplayComment(currentMove - 1, commentList[currentMove]);
14461 mappedMove = -1; // [HGM] exclude: invalidate map
14467 if (gameMode == IcsExamining && !pausing) {
14468 SendToICS(ics_prefix);
14469 SendToICS("backward\n");
14471 BackwardInner(currentMove - 1);
14478 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14479 /* to optimize, we temporarily turn off analysis mode while we undo
14480 * all the moves. Otherwise we get analysis output after each undo.
14482 if (first.analysisSupport) {
14483 SendToProgram("exit\nforce\n", &first);
14484 first.analyzing = FALSE;
14488 if (gameMode == IcsExamining && !pausing) {
14489 SendToICS(ics_prefix);
14490 SendToICS("backward 999999\n");
14492 BackwardInner(backwardMostMove);
14495 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
14496 /* we have fed all the moves, so reactivate analysis mode */
14497 SendToProgram("analyze\n", &first);
14498 first.analyzing = TRUE;
14499 /*first.maybeThinking = TRUE;*/
14500 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14507 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
14508 if (to >= forwardMostMove) to = forwardMostMove;
14509 if (to <= backwardMostMove) to = backwardMostMove;
14510 if (to < currentMove) {
14518 RevertEvent (Boolean annotate)
14520 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
14523 if (gameMode != IcsExamining) {
14524 DisplayError(_("You are not examining a game"), 0);
14528 DisplayError(_("You can't revert while pausing"), 0);
14531 SendToICS(ics_prefix);
14532 SendToICS("revert\n");
14536 RetractMoveEvent ()
14538 switch (gameMode) {
14539 case MachinePlaysWhite:
14540 case MachinePlaysBlack:
14541 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14542 DisplayError(_("Wait until your turn,\nor select Move Now"), 0);
14545 if (forwardMostMove < 2) return;
14546 currentMove = forwardMostMove = forwardMostMove - 2;
14547 whiteTimeRemaining = timeRemaining[0][currentMove];
14548 blackTimeRemaining = timeRemaining[1][currentMove];
14549 DisplayBothClocks();
14550 DisplayMove(currentMove - 1);
14551 ClearHighlights();/*!! could figure this out*/
14552 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
14553 SendToProgram("remove\n", &first);
14554 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
14557 case BeginningOfGame:
14561 case IcsPlayingWhite:
14562 case IcsPlayingBlack:
14563 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
14564 SendToICS(ics_prefix);
14565 SendToICS("takeback 2\n");
14567 SendToICS(ics_prefix);
14568 SendToICS("takeback 1\n");
14577 ChessProgramState *cps;
14579 switch (gameMode) {
14580 case MachinePlaysWhite:
14581 if (!WhiteOnMove(forwardMostMove)) {
14582 DisplayError(_("It is your turn"), 0);
14587 case MachinePlaysBlack:
14588 if (WhiteOnMove(forwardMostMove)) {
14589 DisplayError(_("It is your turn"), 0);
14594 case TwoMachinesPlay:
14595 if (WhiteOnMove(forwardMostMove) ==
14596 (first.twoMachinesColor[0] == 'w')) {
14602 case BeginningOfGame:
14606 SendToProgram("?\n", cps);
14610 TruncateGameEvent ()
14613 if (gameMode != EditGame) return;
14620 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
14621 if (forwardMostMove > currentMove) {
14622 if (gameInfo.resultDetails != NULL) {
14623 free(gameInfo.resultDetails);
14624 gameInfo.resultDetails = NULL;
14625 gameInfo.result = GameUnfinished;
14627 forwardMostMove = currentMove;
14628 HistorySet(parseList, backwardMostMove, forwardMostMove,
14636 if (appData.noChessProgram) return;
14637 switch (gameMode) {
14638 case MachinePlaysWhite:
14639 if (WhiteOnMove(forwardMostMove)) {
14640 DisplayError(_("Wait until your turn"), 0);
14644 case BeginningOfGame:
14645 case MachinePlaysBlack:
14646 if (!WhiteOnMove(forwardMostMove)) {
14647 DisplayError(_("Wait until your turn"), 0);
14652 DisplayError(_("No hint available"), 0);
14655 SendToProgram("hint\n", &first);
14656 hintRequested = TRUE;
14662 if (appData.noChessProgram) return;
14663 switch (gameMode) {
14664 case MachinePlaysWhite:
14665 if (WhiteOnMove(forwardMostMove)) {
14666 DisplayError(_("Wait until your turn"), 0);
14670 case BeginningOfGame:
14671 case MachinePlaysBlack:
14672 if (!WhiteOnMove(forwardMostMove)) {
14673 DisplayError(_("Wait until your turn"), 0);
14678 EditPositionDone(TRUE);
14680 case TwoMachinesPlay:
14685 SendToProgram("bk\n", &first);
14686 bookOutput[0] = NULLCHAR;
14687 bookRequested = TRUE;
14693 char *tags = PGNTags(&gameInfo);
14694 TagsPopUp(tags, CmailMsg());
14698 /* end button procedures */
14701 PrintPosition (FILE *fp, int move)
14705 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
14706 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
14707 char c = PieceToChar(boards[move][i][j]);
14708 fputc(c == 'x' ? '.' : c, fp);
14709 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
14712 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
14713 fprintf(fp, "white to play\n");
14715 fprintf(fp, "black to play\n");
14719 PrintOpponents (FILE *fp)
14721 if (gameInfo.white != NULL) {
14722 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
14728 /* Find last component of program's own name, using some heuristics */
14730 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
14733 int local = (strcmp(host, "localhost") == 0);
14734 while (!local && (p = strchr(prog, ';')) != NULL) {
14736 while (*p == ' ') p++;
14739 if (*prog == '"' || *prog == '\'') {
14740 q = strchr(prog + 1, *prog);
14742 q = strchr(prog, ' ');
14744 if (q == NULL) q = prog + strlen(prog);
14746 while (p >= prog && *p != '/' && *p != '\\') p--;
14748 if(p == prog && *p == '"') p++;
14750 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
14751 memcpy(buf, p, q - p);
14752 buf[q - p] = NULLCHAR;
14760 TimeControlTagValue ()
14763 if (!appData.clockMode) {
14764 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
14765 } else if (movesPerSession > 0) {
14766 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
14767 } else if (timeIncrement == 0) {
14768 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
14770 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
14772 return StrSave(buf);
14778 /* This routine is used only for certain modes */
14779 VariantClass v = gameInfo.variant;
14780 ChessMove r = GameUnfinished;
14783 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
14784 r = gameInfo.result;
14785 p = gameInfo.resultDetails;
14786 gameInfo.resultDetails = NULL;
14788 ClearGameInfo(&gameInfo);
14789 gameInfo.variant = v;
14791 switch (gameMode) {
14792 case MachinePlaysWhite:
14793 gameInfo.event = StrSave( appData.pgnEventHeader );
14794 gameInfo.site = StrSave(HostName());
14795 gameInfo.date = PGNDate();
14796 gameInfo.round = StrSave("-");
14797 gameInfo.white = StrSave(first.tidy);
14798 gameInfo.black = StrSave(UserName());
14799 gameInfo.timeControl = TimeControlTagValue();
14802 case MachinePlaysBlack:
14803 gameInfo.event = StrSave( appData.pgnEventHeader );
14804 gameInfo.site = StrSave(HostName());
14805 gameInfo.date = PGNDate();
14806 gameInfo.round = StrSave("-");
14807 gameInfo.white = StrSave(UserName());
14808 gameInfo.black = StrSave(first.tidy);
14809 gameInfo.timeControl = TimeControlTagValue();
14812 case TwoMachinesPlay:
14813 gameInfo.event = StrSave( appData.pgnEventHeader );
14814 gameInfo.site = StrSave(HostName());
14815 gameInfo.date = PGNDate();
14818 snprintf(buf, MSG_SIZ, "%d", roundNr);
14819 gameInfo.round = StrSave(buf);
14821 gameInfo.round = StrSave("-");
14823 if (first.twoMachinesColor[0] == 'w') {
14824 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14825 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14827 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
14828 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
14830 gameInfo.timeControl = TimeControlTagValue();
14834 gameInfo.event = StrSave("Edited game");
14835 gameInfo.site = StrSave(HostName());
14836 gameInfo.date = PGNDate();
14837 gameInfo.round = StrSave("-");
14838 gameInfo.white = StrSave("-");
14839 gameInfo.black = StrSave("-");
14840 gameInfo.result = r;
14841 gameInfo.resultDetails = p;
14845 gameInfo.event = StrSave("Edited position");
14846 gameInfo.site = StrSave(HostName());
14847 gameInfo.date = PGNDate();
14848 gameInfo.round = StrSave("-");
14849 gameInfo.white = StrSave("-");
14850 gameInfo.black = StrSave("-");
14853 case IcsPlayingWhite:
14854 case IcsPlayingBlack:
14859 case PlayFromGameFile:
14860 gameInfo.event = StrSave("Game from non-PGN file");
14861 gameInfo.site = StrSave(HostName());
14862 gameInfo.date = PGNDate();
14863 gameInfo.round = StrSave("-");
14864 gameInfo.white = StrSave("?");
14865 gameInfo.black = StrSave("?");
14874 ReplaceComment (int index, char *text)
14880 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
14881 pvInfoList[index-1].depth == len &&
14882 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
14883 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
14884 while (*text == '\n') text++;
14885 len = strlen(text);
14886 while (len > 0 && text[len - 1] == '\n') len--;
14888 if (commentList[index] != NULL)
14889 free(commentList[index]);
14892 commentList[index] = NULL;
14895 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
14896 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
14897 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
14898 commentList[index] = (char *) malloc(len + 2);
14899 strncpy(commentList[index], text, len);
14900 commentList[index][len] = '\n';
14901 commentList[index][len + 1] = NULLCHAR;
14903 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
14905 commentList[index] = (char *) malloc(len + 7);
14906 safeStrCpy(commentList[index], "{\n", 3);
14907 safeStrCpy(commentList[index]+2, text, len+1);
14908 commentList[index][len+2] = NULLCHAR;
14909 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
14910 strcat(commentList[index], "\n}\n");
14915 CrushCRs (char *text)
14923 if (ch == '\r') continue;
14925 } while (ch != '\0');
14929 AppendComment (int index, char *text, Boolean addBraces)
14930 /* addBraces tells if we should add {} */
14935 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces); fflush(debugFP);
14936 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
14939 while (*text == '\n') text++;
14940 len = strlen(text);
14941 while (len > 0 && text[len - 1] == '\n') len--;
14942 text[len] = NULLCHAR;
14944 if (len == 0) return;
14946 if (commentList[index] != NULL) {
14947 Boolean addClosingBrace = addBraces;
14948 old = commentList[index];
14949 oldlen = strlen(old);
14950 while(commentList[index][oldlen-1] == '\n')
14951 commentList[index][--oldlen] = NULLCHAR;
14952 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
14953 safeStrCpy(commentList[index], old, oldlen + len + 6);
14955 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
14956 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
14957 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
14958 while (*text == '\n') { text++; len--; }
14959 commentList[index][--oldlen] = NULLCHAR;
14961 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
14962 else strcat(commentList[index], "\n");
14963 strcat(commentList[index], text);
14964 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
14965 else strcat(commentList[index], "\n");
14967 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
14969 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
14970 else commentList[index][0] = NULLCHAR;
14971 strcat(commentList[index], text);
14972 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
14973 if(addBraces == TRUE) strcat(commentList[index], "}\n");
14978 FindStr (char * text, char * sub_text)
14980 char * result = strstr( text, sub_text );
14982 if( result != NULL ) {
14983 result += strlen( sub_text );
14989 /* [AS] Try to extract PV info from PGN comment */
14990 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
14992 GetInfoFromComment (int index, char * text)
14994 char * sep = text, *p;
14996 if( text != NULL && index > 0 ) {
14999 int time = -1, sec = 0, deci;
15000 char * s_eval = FindStr( text, "[%eval " );
15001 char * s_emt = FindStr( text, "[%emt " );
15003 if( s_eval != NULL || s_emt != NULL ) {
15007 if( s_eval != NULL ) {
15008 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
15012 if( delim != ']' ) {
15017 if( s_emt != NULL ) {
15022 /* We expect something like: [+|-]nnn.nn/dd */
15025 if(*text != '{') return text; // [HGM] braces: must be normal comment
15027 sep = strchr( text, '/' );
15028 if( sep == NULL || sep < (text+4) ) {
15033 if(p[1] == '(') { // comment starts with PV
15034 p = strchr(p, ')'); // locate end of PV
15035 if(p == NULL || sep < p+5) return text;
15036 // at this point we have something like "{(.*) +0.23/6 ..."
15037 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
15038 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
15039 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
15041 time = -1; sec = -1; deci = -1;
15042 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
15043 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
15044 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
15045 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
15049 if( score_lo < 0 || score_lo >= 100 ) {
15053 if(sec >= 0) time = 600*time + 10*sec; else
15054 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
15056 score = score >= 0 ? score*100 + score_lo : score*100 - score_lo;
15058 /* [HGM] PV time: now locate end of PV info */
15059 while( *++sep >= '0' && *sep <= '9'); // strip depth
15061 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
15063 while( *++sep >= '0' && *sep <= '9'); // strip seconds
15065 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
15066 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
15077 pvInfoList[index-1].depth = depth;
15078 pvInfoList[index-1].score = score;
15079 pvInfoList[index-1].time = 10*time; // centi-sec
15080 if(*sep == '}') *sep = 0; else *--sep = '{';
15081 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
15087 SendToProgram (char *message, ChessProgramState *cps)
15089 int count, outCount, error;
15092 if (cps->pr == NoProc) return;
15095 if (appData.debugMode) {
15098 fprintf(debugFP, "%ld >%-6s: %s",
15099 SubtractTimeMarks(&now, &programStartTime),
15100 cps->which, message);
15102 fprintf(serverFP, "%ld >%-6s: %s",
15103 SubtractTimeMarks(&now, &programStartTime),
15104 cps->which, message), fflush(serverFP);
15107 count = strlen(message);
15108 outCount = OutputToProcess(cps->pr, message, count, &error);
15109 if (outCount < count && !exiting
15110 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
15111 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15112 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
15113 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15114 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15115 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15116 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15117 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15119 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15120 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15121 gameInfo.result = res;
15123 gameInfo.resultDetails = StrSave(buf);
15125 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15126 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15131 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
15135 ChessProgramState *cps = (ChessProgramState *)closure;
15137 if (isr != cps->isr) return; /* Killed intentionally */
15140 RemoveInputSource(cps->isr);
15141 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
15142 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
15143 _(cps->which), cps->program);
15144 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
15145 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
15146 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
15147 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
15148 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
15150 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
15151 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
15152 gameInfo.result = res;
15154 gameInfo.resultDetails = StrSave(buf);
15156 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
15157 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
15159 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
15160 _(cps->which), cps->program);
15161 RemoveInputSource(cps->isr);
15163 /* [AS] Program is misbehaving badly... kill it */
15164 if( count == -2 ) {
15165 DestroyChildProcess( cps->pr, 9 );
15169 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
15174 if ((end_str = strchr(message, '\r')) != NULL)
15175 *end_str = NULLCHAR;
15176 if ((end_str = strchr(message, '\n')) != NULL)
15177 *end_str = NULLCHAR;
15179 if (appData.debugMode) {
15180 TimeMark now; int print = 1;
15181 char *quote = ""; char c; int i;
15183 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
15184 char start = message[0];
15185 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
15186 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
15187 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
15188 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
15189 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
15190 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
15191 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
15192 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
15193 sscanf(message, "hint: %c", &c)!=1 &&
15194 sscanf(message, "pong %c", &c)!=1 && start != '#') {
15195 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
15196 print = (appData.engineComments >= 2);
15198 message[0] = start; // restore original message
15202 fprintf(debugFP, "%ld <%-6s: %s%s\n",
15203 SubtractTimeMarks(&now, &programStartTime), cps->which,
15207 fprintf(serverFP, "%ld <%-6s: %s%s\n",
15208 SubtractTimeMarks(&now, &programStartTime), cps->which,
15210 message), fflush(serverFP);
15214 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
15215 if (appData.icsEngineAnalyze) {
15216 if (strstr(message, "whisper") != NULL ||
15217 strstr(message, "kibitz") != NULL ||
15218 strstr(message, "tellics") != NULL) return;
15221 HandleMachineMove(message, cps);
15226 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
15231 if( timeControl_2 > 0 ) {
15232 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
15233 tc = timeControl_2;
15236 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
15237 inc /= cps->timeOdds;
15238 st /= cps->timeOdds;
15240 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
15243 /* Set exact time per move, normally using st command */
15244 if (cps->stKludge) {
15245 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
15247 if (seconds == 0) {
15248 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
15250 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
15253 snprintf(buf, MSG_SIZ, "st %d\n", st);
15256 /* Set conventional or incremental time control, using level command */
15257 if (seconds == 0) {
15258 /* Note old gnuchess bug -- minutes:seconds used to not work.
15259 Fixed in later versions, but still avoid :seconds
15260 when seconds is 0. */
15261 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
15263 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
15264 seconds, inc/1000.);
15267 SendToProgram(buf, cps);
15269 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
15270 /* Orthogonally, limit search to given depth */
15272 if (cps->sdKludge) {
15273 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
15275 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
15277 SendToProgram(buf, cps);
15280 if(cps->nps >= 0) { /* [HGM] nps */
15281 if(cps->supportsNPS == FALSE)
15282 cps->nps = -1; // don't use if engine explicitly says not supported!
15284 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
15285 SendToProgram(buf, cps);
15290 ChessProgramState *
15292 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
15294 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
15295 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
15301 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
15303 char message[MSG_SIZ];
15306 /* Note: this routine must be called when the clocks are stopped
15307 or when they have *just* been set or switched; otherwise
15308 it will be off by the time since the current tick started.
15310 if (machineWhite) {
15311 time = whiteTimeRemaining / 10;
15312 otime = blackTimeRemaining / 10;
15314 time = blackTimeRemaining / 10;
15315 otime = whiteTimeRemaining / 10;
15317 /* [HGM] translate opponent's time by time-odds factor */
15318 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
15320 if (time <= 0) time = 1;
15321 if (otime <= 0) otime = 1;
15323 snprintf(message, MSG_SIZ, "time %ld\n", time);
15324 SendToProgram(message, cps);
15326 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
15327 SendToProgram(message, cps);
15331 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15334 int len = strlen(name);
15337 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15339 sscanf(*p, "%d", &val);
15341 while (**p && **p != ' ')
15343 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15344 SendToProgram(buf, cps);
15351 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
15354 int len = strlen(name);
15355 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
15357 sscanf(*p, "%d", loc);
15358 while (**p && **p != ' ') (*p)++;
15359 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15360 SendToProgram(buf, cps);
15367 StringFeature (char **p, char *name, char loc[], ChessProgramState *cps)
15370 int len = strlen(name);
15371 if (strncmp((*p), name, len) == 0
15372 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
15374 sscanf(*p, "%[^\"]", loc);
15375 while (**p && **p != '\"') (*p)++;
15376 if (**p == '\"') (*p)++;
15377 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
15378 SendToProgram(buf, cps);
15385 ParseOption (Option *opt, ChessProgramState *cps)
15386 // [HGM] options: process the string that defines an engine option, and determine
15387 // name, type, default value, and allowed value range
15389 char *p, *q, buf[MSG_SIZ];
15390 int n, min = (-1)<<31, max = 1<<31, def;
15392 if(p = strstr(opt->name, " -spin ")) {
15393 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15394 if(max < min) max = min; // enforce consistency
15395 if(def < min) def = min;
15396 if(def > max) def = max;
15401 } else if((p = strstr(opt->name, " -slider "))) {
15402 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
15403 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
15404 if(max < min) max = min; // enforce consistency
15405 if(def < min) def = min;
15406 if(def > max) def = max;
15410 opt->type = Spin; // Slider;
15411 } else if((p = strstr(opt->name, " -string "))) {
15412 opt->textValue = p+9;
15413 opt->type = TextBox;
15414 } else if((p = strstr(opt->name, " -file "))) {
15415 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15416 opt->textValue = p+7;
15417 opt->type = FileName; // FileName;
15418 } else if((p = strstr(opt->name, " -path "))) {
15419 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
15420 opt->textValue = p+7;
15421 opt->type = PathName; // PathName;
15422 } else if(p = strstr(opt->name, " -check ")) {
15423 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
15424 opt->value = (def != 0);
15425 opt->type = CheckBox;
15426 } else if(p = strstr(opt->name, " -combo ")) {
15427 opt->textValue = (char*) (&cps->comboList[cps->comboCnt]); // cheat with pointer type
15428 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
15429 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
15430 opt->value = n = 0;
15431 while(q = StrStr(q, " /// ")) {
15432 n++; *q = 0; // count choices, and null-terminate each of them
15434 if(*q == '*') { // remember default, which is marked with * prefix
15438 cps->comboList[cps->comboCnt++] = q;
15440 cps->comboList[cps->comboCnt++] = NULL;
15442 opt->type = ComboBox;
15443 } else if(p = strstr(opt->name, " -button")) {
15444 opt->type = Button;
15445 } else if(p = strstr(opt->name, " -save")) {
15446 opt->type = SaveButton;
15447 } else return FALSE;
15448 *p = 0; // terminate option name
15449 // now look if the command-line options define a setting for this engine option.
15450 if(cps->optionSettings && cps->optionSettings[0])
15451 p = strstr(cps->optionSettings, opt->name); else p = NULL;
15452 if(p && (p == cps->optionSettings || p[-1] == ',')) {
15453 snprintf(buf, MSG_SIZ, "option %s", p);
15454 if(p = strstr(buf, ",")) *p = 0;
15455 if(q = strchr(buf, '=')) switch(opt->type) {
15457 for(n=0; n<opt->max; n++)
15458 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
15461 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
15465 opt->value = atoi(q+1);
15470 SendToProgram(buf, cps);
15476 FeatureDone (ChessProgramState *cps, int val)
15478 DelayedEventCallback cb = GetDelayedEvent();
15479 if ((cb == InitBackEnd3 && cps == &first) ||
15480 (cb == SettingsMenuIfReady && cps == &second) ||
15481 (cb == LoadEngine) ||
15482 (cb == TwoMachinesEventIfReady)) {
15483 CancelDelayedEvent();
15484 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
15486 cps->initDone = val;
15489 /* Parse feature command from engine */
15491 ParseFeatures (char *args, ChessProgramState *cps)
15499 while (*p == ' ') p++;
15500 if (*p == NULLCHAR) return;
15502 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
15503 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
15504 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
15505 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
15506 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
15507 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
15508 if (BoolFeature(&p, "reuse", &val, cps)) {
15509 /* Engine can disable reuse, but can't enable it if user said no */
15510 if (!val) cps->reuse = FALSE;
15513 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
15514 if (StringFeature(&p, "myname", cps->tidy, cps)) {
15515 if (gameMode == TwoMachinesPlay) {
15516 DisplayTwoMachinesTitle();
15522 if (StringFeature(&p, "variants", cps->variants, cps)) continue;
15523 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
15524 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
15525 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
15526 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
15527 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
15528 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
15529 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
15530 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
15531 if (BoolFeature(&p, "pause", &val, cps)) continue; /* unused at present */
15532 if (IntFeature(&p, "done", &val, cps)) {
15533 FeatureDone(cps, val);
15536 /* Added by Tord: */
15537 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
15538 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
15539 /* End of additions by Tord */
15541 /* [HGM] added features: */
15542 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
15543 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
15544 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
15545 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
15546 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
15547 if (StringFeature(&p, "egt", cps->egtFormats, cps)) continue;
15548 if (StringFeature(&p, "option", cps->option[cps->nrOptions].name, cps)) {
15549 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
15550 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
15551 SendToProgram(buf, cps);
15554 if(cps->nrOptions >= MAX_OPTIONS) {
15556 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
15557 DisplayError(buf, 0);
15561 /* End of additions by HGM */
15563 /* unknown feature: complain and skip */
15565 while (*q && *q != '=') q++;
15566 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
15567 SendToProgram(buf, cps);
15573 while (*p && *p != '\"') p++;
15574 if (*p == '\"') p++;
15576 while (*p && *p != ' ') p++;
15584 PeriodicUpdatesEvent (int newState)
15586 if (newState == appData.periodicUpdates)
15589 appData.periodicUpdates=newState;
15591 /* Display type changes, so update it now */
15592 // DisplayAnalysis();
15594 /* Get the ball rolling again... */
15596 AnalysisPeriodicEvent(1);
15597 StartAnalysisClock();
15602 PonderNextMoveEvent (int newState)
15604 if (newState == appData.ponderNextMove) return;
15605 if (gameMode == EditPosition) EditPositionDone(TRUE);
15607 SendToProgram("hard\n", &first);
15608 if (gameMode == TwoMachinesPlay) {
15609 SendToProgram("hard\n", &second);
15612 SendToProgram("easy\n", &first);
15613 thinkOutput[0] = NULLCHAR;
15614 if (gameMode == TwoMachinesPlay) {
15615 SendToProgram("easy\n", &second);
15618 appData.ponderNextMove = newState;
15622 NewSettingEvent (int option, int *feature, char *command, int value)
15626 if (gameMode == EditPosition) EditPositionDone(TRUE);
15627 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
15628 if(feature == NULL || *feature) SendToProgram(buf, &first);
15629 if (gameMode == TwoMachinesPlay) {
15630 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
15635 ShowThinkingEvent ()
15636 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
15638 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
15639 int newState = appData.showThinking
15640 // [HGM] thinking: other features now need thinking output as well
15641 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
15643 if (oldState == newState) return;
15644 oldState = newState;
15645 if (gameMode == EditPosition) EditPositionDone(TRUE);
15647 SendToProgram("post\n", &first);
15648 if (gameMode == TwoMachinesPlay) {
15649 SendToProgram("post\n", &second);
15652 SendToProgram("nopost\n", &first);
15653 thinkOutput[0] = NULLCHAR;
15654 if (gameMode == TwoMachinesPlay) {
15655 SendToProgram("nopost\n", &second);
15658 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
15662 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
15664 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
15665 if (pr == NoProc) return;
15666 AskQuestion(title, question, replyPrefix, pr);
15670 TypeInEvent (char firstChar)
15672 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
15673 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
15674 gameMode == AnalyzeMode || gameMode == EditGame ||
15675 gameMode == EditPosition || gameMode == IcsExamining ||
15676 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
15677 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
15678 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
15679 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
15680 gameMode == Training) PopUpMoveDialog(firstChar);
15684 TypeInDoneEvent (char *move)
15687 int n, fromX, fromY, toX, toY;
15689 ChessMove moveType;
15692 if(gameMode == EditPosition && ParseFEN(board, &n, move) ) {
15693 EditPositionPasteFEN(move);
15696 // [HGM] movenum: allow move number to be typed in any mode
15697 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
15701 // undocumented kludge: allow command-line option to be typed in!
15702 // (potentially fatal, and does not implement the effect of the option.)
15703 // should only be used for options that are values on which future decisions will be made,
15704 // and definitely not on options that would be used during initialization.
15705 if(strstr(move, "!!! -") == move) {
15706 ParseArgsFromString(move+4);
15710 if (gameMode != EditGame && currentMove != forwardMostMove &&
15711 gameMode != Training) {
15712 DisplayMoveError(_("Displayed move is not current"));
15714 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15715 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
15716 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
15717 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
15718 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
15719 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
15721 DisplayMoveError(_("Could not parse move"));
15727 DisplayMove (int moveNumber)
15729 char message[MSG_SIZ];
15731 char cpThinkOutput[MSG_SIZ];
15733 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
15735 if (moveNumber == forwardMostMove - 1 ||
15736 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15738 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
15740 if (strchr(cpThinkOutput, '\n')) {
15741 *strchr(cpThinkOutput, '\n') = NULLCHAR;
15744 *cpThinkOutput = NULLCHAR;
15747 /* [AS] Hide thinking from human user */
15748 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
15749 *cpThinkOutput = NULLCHAR;
15750 if( thinkOutput[0] != NULLCHAR ) {
15753 for( i=0; i<=hiddenThinkOutputState; i++ ) {
15754 cpThinkOutput[i] = '.';
15756 cpThinkOutput[i] = NULLCHAR;
15757 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
15761 if (moveNumber == forwardMostMove - 1 &&
15762 gameInfo.resultDetails != NULL) {
15763 if (gameInfo.resultDetails[0] == NULLCHAR) {
15764 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
15766 snprintf(res, MSG_SIZ, " {%s} %s",
15767 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
15773 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15774 DisplayMessage(res, cpThinkOutput);
15776 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
15777 WhiteOnMove(moveNumber) ? " " : ".. ",
15778 parseList[moveNumber], res);
15779 DisplayMessage(message, cpThinkOutput);
15784 DisplayComment (int moveNumber, char *text)
15786 char title[MSG_SIZ];
15788 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
15789 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
15791 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
15792 WhiteOnMove(moveNumber) ? " " : ".. ",
15793 parseList[moveNumber]);
15795 if (text != NULL && (appData.autoDisplayComment || commentUp))
15796 CommentPopUp(title, text);
15799 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
15800 * might be busy thinking or pondering. It can be omitted if your
15801 * gnuchess is configured to stop thinking immediately on any user
15802 * input. However, that gnuchess feature depends on the FIONREAD
15803 * ioctl, which does not work properly on some flavors of Unix.
15806 Attention (ChessProgramState *cps)
15809 if (!cps->useSigint) return;
15810 if (appData.noChessProgram || (cps->pr == NoProc)) return;
15811 switch (gameMode) {
15812 case MachinePlaysWhite:
15813 case MachinePlaysBlack:
15814 case TwoMachinesPlay:
15815 case IcsPlayingWhite:
15816 case IcsPlayingBlack:
15819 /* Skip if we know it isn't thinking */
15820 if (!cps->maybeThinking) return;
15821 if (appData.debugMode)
15822 fprintf(debugFP, "Interrupting %s\n", cps->which);
15823 InterruptChildProcess(cps->pr);
15824 cps->maybeThinking = FALSE;
15829 #endif /*ATTENTION*/
15835 if (whiteTimeRemaining <= 0) {
15838 if (appData.icsActive) {
15839 if (appData.autoCallFlag &&
15840 gameMode == IcsPlayingBlack && !blackFlag) {
15841 SendToICS(ics_prefix);
15842 SendToICS("flag\n");
15846 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15848 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
15849 if (appData.autoCallFlag) {
15850 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
15857 if (blackTimeRemaining <= 0) {
15860 if (appData.icsActive) {
15861 if (appData.autoCallFlag &&
15862 gameMode == IcsPlayingWhite && !whiteFlag) {
15863 SendToICS(ics_prefix);
15864 SendToICS("flag\n");
15868 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
15870 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
15871 if (appData.autoCallFlag) {
15872 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
15883 CheckTimeControl ()
15885 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
15886 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
15889 * add time to clocks when time control is achieved ([HGM] now also used for increment)
15891 if ( !WhiteOnMove(forwardMostMove) ) {
15892 /* White made time control */
15893 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
15894 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
15895 /* [HGM] time odds: correct new time quota for time odds! */
15896 / WhitePlayer()->timeOdds;
15897 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
15899 lastBlack -= blackTimeRemaining;
15900 /* Black made time control */
15901 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
15902 / WhitePlayer()->other->timeOdds;
15903 lastWhite = whiteTimeRemaining;
15908 DisplayBothClocks ()
15910 int wom = gameMode == EditPosition ?
15911 !blackPlaysFirst : WhiteOnMove(currentMove);
15912 DisplayWhiteClock(whiteTimeRemaining, wom);
15913 DisplayBlackClock(blackTimeRemaining, !wom);
15917 /* Timekeeping seems to be a portability nightmare. I think everyone
15918 has ftime(), but I'm really not sure, so I'm including some ifdefs
15919 to use other calls if you don't. Clocks will be less accurate if
15920 you have neither ftime nor gettimeofday.
15923 /* VS 2008 requires the #include outside of the function */
15924 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
15925 #include <sys/timeb.h>
15928 /* Get the current time as a TimeMark */
15930 GetTimeMark (TimeMark *tm)
15932 #if HAVE_GETTIMEOFDAY
15934 struct timeval timeVal;
15935 struct timezone timeZone;
15937 gettimeofday(&timeVal, &timeZone);
15938 tm->sec = (long) timeVal.tv_sec;
15939 tm->ms = (int) (timeVal.tv_usec / 1000L);
15941 #else /*!HAVE_GETTIMEOFDAY*/
15944 // include <sys/timeb.h> / moved to just above start of function
15945 struct timeb timeB;
15948 tm->sec = (long) timeB.time;
15949 tm->ms = (int) timeB.millitm;
15951 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
15952 tm->sec = (long) time(NULL);
15958 /* Return the difference in milliseconds between two
15959 time marks. We assume the difference will fit in a long!
15962 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
15964 return 1000L*(tm2->sec - tm1->sec) +
15965 (long) (tm2->ms - tm1->ms);
15970 * Code to manage the game clocks.
15972 * In tournament play, black starts the clock and then white makes a move.
15973 * We give the human user a slight advantage if he is playing white---the
15974 * clocks don't run until he makes his first move, so it takes zero time.
15975 * Also, we don't account for network lag, so we could get out of sync
15976 * with GNU Chess's clock -- but then, referees are always right.
15979 static TimeMark tickStartTM;
15980 static long intendedTickLength;
15983 NextTickLength (long timeRemaining)
15985 long nominalTickLength, nextTickLength;
15987 if (timeRemaining > 0L && timeRemaining <= 10000L)
15988 nominalTickLength = 100L;
15990 nominalTickLength = 1000L;
15991 nextTickLength = timeRemaining % nominalTickLength;
15992 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
15994 return nextTickLength;
15997 /* Adjust clock one minute up or down */
15999 AdjustClock (Boolean which, int dir)
16001 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
16002 if(which) blackTimeRemaining += 60000*dir;
16003 else whiteTimeRemaining += 60000*dir;
16004 DisplayBothClocks();
16005 adjustedClock = TRUE;
16008 /* Stop clocks and reset to a fresh time control */
16012 (void) StopClockTimer();
16013 if (appData.icsActive) {
16014 whiteTimeRemaining = blackTimeRemaining = 0;
16015 } else if (searchTime) {
16016 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16017 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16018 } else { /* [HGM] correct new time quote for time odds */
16019 whiteTC = blackTC = fullTimeControlString;
16020 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
16021 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
16023 if (whiteFlag || blackFlag) {
16025 whiteFlag = blackFlag = FALSE;
16027 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
16028 DisplayBothClocks();
16029 adjustedClock = FALSE;
16032 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
16034 /* Decrement running clock by amount of time that has passed */
16038 long timeRemaining;
16039 long lastTickLength, fudge;
16042 if (!appData.clockMode) return;
16043 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
16047 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16049 /* Fudge if we woke up a little too soon */
16050 fudge = intendedTickLength - lastTickLength;
16051 if (fudge < 0 || fudge > FUDGE) fudge = 0;
16053 if (WhiteOnMove(forwardMostMove)) {
16054 if(whiteNPS >= 0) lastTickLength = 0;
16055 timeRemaining = whiteTimeRemaining -= lastTickLength;
16056 if(timeRemaining < 0 && !appData.icsActive) {
16057 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
16058 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
16059 whiteStartMove = forwardMostMove; whiteTC = nextSession;
16060 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
16063 DisplayWhiteClock(whiteTimeRemaining - fudge,
16064 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16066 if(blackNPS >= 0) lastTickLength = 0;
16067 timeRemaining = blackTimeRemaining -= lastTickLength;
16068 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
16069 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
16071 blackStartMove = forwardMostMove;
16072 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
16075 DisplayBlackClock(blackTimeRemaining - fudge,
16076 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
16078 if (CheckFlags()) return;
16081 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
16082 StartClockTimer(intendedTickLength);
16084 /* if the time remaining has fallen below the alarm threshold, sound the
16085 * alarm. if the alarm has sounded and (due to a takeback or time control
16086 * with increment) the time remaining has increased to a level above the
16087 * threshold, reset the alarm so it can sound again.
16090 if (appData.icsActive && appData.icsAlarm) {
16092 /* make sure we are dealing with the user's clock */
16093 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
16094 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
16097 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
16098 alarmSounded = FALSE;
16099 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
16101 alarmSounded = TRUE;
16107 /* A player has just moved, so stop the previously running
16108 clock and (if in clock mode) start the other one.
16109 We redisplay both clocks in case we're in ICS mode, because
16110 ICS gives us an update to both clocks after every move.
16111 Note that this routine is called *after* forwardMostMove
16112 is updated, so the last fractional tick must be subtracted
16113 from the color that is *not* on move now.
16116 SwitchClocks (int newMoveNr)
16118 long lastTickLength;
16120 int flagged = FALSE;
16124 if (StopClockTimer() && appData.clockMode) {
16125 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16126 if (!WhiteOnMove(forwardMostMove)) {
16127 if(blackNPS >= 0) lastTickLength = 0;
16128 blackTimeRemaining -= lastTickLength;
16129 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16130 // if(pvInfoList[forwardMostMove].time == -1)
16131 pvInfoList[forwardMostMove].time = // use GUI time
16132 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
16134 if(whiteNPS >= 0) lastTickLength = 0;
16135 whiteTimeRemaining -= lastTickLength;
16136 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
16137 // if(pvInfoList[forwardMostMove].time == -1)
16138 pvInfoList[forwardMostMove].time =
16139 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
16141 flagged = CheckFlags();
16143 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
16144 CheckTimeControl();
16146 if (flagged || !appData.clockMode) return;
16148 switch (gameMode) {
16149 case MachinePlaysBlack:
16150 case MachinePlaysWhite:
16151 case BeginningOfGame:
16152 if (pausing) return;
16156 case PlayFromGameFile:
16164 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
16165 if(WhiteOnMove(forwardMostMove))
16166 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
16167 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
16171 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16172 whiteTimeRemaining : blackTimeRemaining);
16173 StartClockTimer(intendedTickLength);
16177 /* Stop both clocks */
16181 long lastTickLength;
16184 if (!StopClockTimer()) return;
16185 if (!appData.clockMode) return;
16189 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
16190 if (WhiteOnMove(forwardMostMove)) {
16191 if(whiteNPS >= 0) lastTickLength = 0;
16192 whiteTimeRemaining -= lastTickLength;
16193 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
16195 if(blackNPS >= 0) lastTickLength = 0;
16196 blackTimeRemaining -= lastTickLength;
16197 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
16202 /* Start clock of player on move. Time may have been reset, so
16203 if clock is already running, stop and restart it. */
16207 (void) StopClockTimer(); /* in case it was running already */
16208 DisplayBothClocks();
16209 if (CheckFlags()) return;
16211 if (!appData.clockMode) return;
16212 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
16214 GetTimeMark(&tickStartTM);
16215 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
16216 whiteTimeRemaining : blackTimeRemaining);
16218 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
16219 whiteNPS = blackNPS = -1;
16220 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
16221 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
16222 whiteNPS = first.nps;
16223 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
16224 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
16225 blackNPS = first.nps;
16226 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
16227 whiteNPS = second.nps;
16228 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
16229 blackNPS = second.nps;
16230 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
16232 StartClockTimer(intendedTickLength);
16236 TimeString (long ms)
16238 long second, minute, hour, day;
16240 static char buf[32];
16242 if (ms > 0 && ms <= 9900) {
16243 /* convert milliseconds to tenths, rounding up */
16244 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
16246 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
16250 /* convert milliseconds to seconds, rounding up */
16251 /* use floating point to avoid strangeness of integer division
16252 with negative dividends on many machines */
16253 second = (long) floor(((double) (ms + 999L)) / 1000.0);
16260 day = second / (60 * 60 * 24);
16261 second = second % (60 * 60 * 24);
16262 hour = second / (60 * 60);
16263 second = second % (60 * 60);
16264 minute = second / 60;
16265 second = second % 60;
16268 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
16269 sign, day, hour, minute, second);
16271 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
16273 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
16280 * This is necessary because some C libraries aren't ANSI C compliant yet.
16283 StrStr (char *string, char *match)
16287 length = strlen(match);
16289 for (i = strlen(string) - length; i >= 0; i--, string++)
16290 if (!strncmp(match, string, length))
16297 StrCaseStr (char *string, char *match)
16301 length = strlen(match);
16303 for (i = strlen(string) - length; i >= 0; i--, string++) {
16304 for (j = 0; j < length; j++) {
16305 if (ToLower(match[j]) != ToLower(string[j]))
16308 if (j == length) return string;
16316 StrCaseCmp (char *s1, char *s2)
16321 c1 = ToLower(*s1++);
16322 c2 = ToLower(*s2++);
16323 if (c1 > c2) return 1;
16324 if (c1 < c2) return -1;
16325 if (c1 == NULLCHAR) return 0;
16333 return isupper(c) ? tolower(c) : c;
16340 return islower(c) ? toupper(c) : c;
16342 #endif /* !_amigados */
16349 if ((ret = (char *) malloc(strlen(s) + 1)))
16351 safeStrCpy(ret, s, strlen(s)+1);
16357 StrSavePtr (char *s, char **savePtr)
16362 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
16363 safeStrCpy(*savePtr, s, strlen(s)+1);
16375 clock = time((time_t *)NULL);
16376 tm = localtime(&clock);
16377 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
16378 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
16379 return StrSave(buf);
16384 PositionToFEN (int move, char *overrideCastling)
16386 int i, j, fromX, fromY, toX, toY;
16393 whiteToPlay = (gameMode == EditPosition) ?
16394 !blackPlaysFirst : (move % 2 == 0);
16397 /* Piece placement data */
16398 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16399 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
16401 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
16402 if (boards[move][i][j] == EmptySquare) {
16404 } else { ChessSquare piece = boards[move][i][j];
16405 if (emptycount > 0) {
16406 if(emptycount<10) /* [HGM] can be >= 10 */
16407 *p++ = '0' + emptycount;
16408 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16411 if(PieceToChar(piece) == '+') {
16412 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
16414 piece = (ChessSquare)(DEMOTED piece);
16416 *p++ = PieceToChar(piece);
16418 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
16419 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
16424 if (emptycount > 0) {
16425 if(emptycount<10) /* [HGM] can be >= 10 */
16426 *p++ = '0' + emptycount;
16427 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
16434 /* [HGM] print Crazyhouse or Shogi holdings */
16435 if( gameInfo.holdingsWidth ) {
16436 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
16438 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
16439 piece = boards[move][i][BOARD_WIDTH-1];
16440 if( piece != EmptySquare )
16441 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
16442 *p++ = PieceToChar(piece);
16444 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
16445 piece = boards[move][BOARD_HEIGHT-i-1][0];
16446 if( piece != EmptySquare )
16447 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
16448 *p++ = PieceToChar(piece);
16451 if( q == p ) *p++ = '-';
16457 *p++ = whiteToPlay ? 'w' : 'b';
16460 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
16461 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
16463 if(nrCastlingRights) {
16465 if(gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) {
16466 /* [HGM] write directly from rights */
16467 if(boards[move][CASTLING][2] != NoRights &&
16468 boards[move][CASTLING][0] != NoRights )
16469 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
16470 if(boards[move][CASTLING][2] != NoRights &&
16471 boards[move][CASTLING][1] != NoRights )
16472 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
16473 if(boards[move][CASTLING][5] != NoRights &&
16474 boards[move][CASTLING][3] != NoRights )
16475 *p++ = boards[move][CASTLING][3] + AAA;
16476 if(boards[move][CASTLING][5] != NoRights &&
16477 boards[move][CASTLING][4] != NoRights )
16478 *p++ = boards[move][CASTLING][4] + AAA;
16481 /* [HGM] write true castling rights */
16482 if( nrCastlingRights == 6 ) {
16483 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
16484 boards[move][CASTLING][2] != NoRights ) *p++ = 'K';
16485 if(boards[move][CASTLING][1] == BOARD_LEFT &&
16486 boards[move][CASTLING][2] != NoRights ) *p++ = 'Q';
16487 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
16488 boards[move][CASTLING][5] != NoRights ) *p++ = 'k';
16489 if(boards[move][CASTLING][4] == BOARD_LEFT &&
16490 boards[move][CASTLING][5] != NoRights ) *p++ = 'q';
16493 if (q == p) *p++ = '-'; /* No castling rights */
16497 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16498 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16499 /* En passant target square */
16500 if (move > backwardMostMove) {
16501 fromX = moveList[move - 1][0] - AAA;
16502 fromY = moveList[move - 1][1] - ONE;
16503 toX = moveList[move - 1][2] - AAA;
16504 toY = moveList[move - 1][3] - ONE;
16505 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
16506 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
16507 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
16509 /* 2-square pawn move just happened */
16511 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16515 } else if(move == backwardMostMove) {
16516 // [HGM] perhaps we should always do it like this, and forget the above?
16517 if((signed char)boards[move][EP_STATUS] >= 0) {
16518 *p++ = boards[move][EP_STATUS] + AAA;
16519 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
16530 /* [HGM] find reversible plies */
16531 { int i = 0, j=move;
16533 if (appData.debugMode) { int k;
16534 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
16535 for(k=backwardMostMove; k<=forwardMostMove; k++)
16536 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
16540 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
16541 if( j == backwardMostMove ) i += initialRulePlies;
16542 sprintf(p, "%d ", i);
16543 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
16545 /* Fullmove number */
16546 sprintf(p, "%d", (move / 2) + 1);
16548 return StrSave(buf);
16552 ParseFEN (Board board, int *blackPlaysFirst, char *fen)
16561 /* [HGM] by default clear Crazyhouse holdings, if present */
16562 if(gameInfo.holdingsWidth) {
16563 for(i=0; i<BOARD_HEIGHT; i++) {
16564 board[i][0] = EmptySquare; /* black holdings */
16565 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
16566 board[i][1] = (ChessSquare) 0; /* black counts */
16567 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
16571 /* Piece placement data */
16572 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
16575 if (*p == '/' || *p == ' ' || (*p == '[' && i == 0) ) {
16576 if (*p == '/') p++;
16577 emptycount = gameInfo.boardWidth - j;
16578 while (emptycount--)
16579 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16581 #if(BOARD_FILES >= 10)
16582 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
16583 p++; emptycount=10;
16584 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16585 while (emptycount--)
16586 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16588 } else if (isdigit(*p)) {
16589 emptycount = *p++ - '0';
16590 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
16591 if (j + emptycount > gameInfo.boardWidth) return FALSE;
16592 while (emptycount--)
16593 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
16594 } else if (*p == '+' || isalpha(*p)) {
16595 if (j >= gameInfo.boardWidth) return FALSE;
16597 piece = CharToPiece(*++p);
16598 if(piece == EmptySquare) return FALSE; /* unknown piece */
16599 piece = (ChessSquare) (PROMOTED piece ); p++;
16600 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
16601 } else piece = CharToPiece(*p++);
16603 if(piece==EmptySquare) return FALSE; /* unknown piece */
16604 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
16605 piece = (ChessSquare) (PROMOTED piece);
16606 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
16609 board[i][(j++)+gameInfo.holdingsWidth] = piece;
16615 while (*p == '/' || *p == ' ') p++;
16617 /* [HGM] look for Crazyhouse holdings here */
16618 while(*p==' ') p++;
16619 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
16621 if(*p == '-' ) p++; /* empty holdings */ else {
16622 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
16623 /* if we would allow FEN reading to set board size, we would */
16624 /* have to add holdings and shift the board read so far here */
16625 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
16627 if((int) piece >= (int) BlackPawn ) {
16628 i = (int)piece - (int)BlackPawn;
16629 i = PieceToNumber((ChessSquare)i);
16630 if( i >= gameInfo.holdingsSize ) return FALSE;
16631 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
16632 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
16634 i = (int)piece - (int)WhitePawn;
16635 i = PieceToNumber((ChessSquare)i);
16636 if( i >= gameInfo.holdingsSize ) return FALSE;
16637 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
16638 board[i][BOARD_WIDTH-2]++; /* black holdings */
16645 while(*p == ' ') p++;
16649 if(appData.colorNickNames) {
16650 if( c == appData.colorNickNames[0] ) c = 'w'; else
16651 if( c == appData.colorNickNames[1] ) c = 'b';
16655 *blackPlaysFirst = FALSE;
16658 *blackPlaysFirst = TRUE;
16664 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
16665 /* return the extra info in global variiables */
16667 /* set defaults in case FEN is incomplete */
16668 board[EP_STATUS] = EP_UNKNOWN;
16669 for(i=0; i<nrCastlingRights; i++ ) {
16670 board[CASTLING][i] =
16671 gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom ? NoRights : initialRights[i];
16672 } /* assume possible unless obviously impossible */
16673 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
16674 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
16675 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
16676 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
16677 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
16678 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
16679 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
16680 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
16683 while(*p==' ') p++;
16684 if(nrCastlingRights) {
16685 if(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-') {
16686 /* castling indicator present, so default becomes no castlings */
16687 for(i=0; i<nrCastlingRights; i++ ) {
16688 board[CASTLING][i] = NoRights;
16691 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
16692 (gameInfo.variant == VariantFischeRandom || gameInfo.variant == VariantCapaRandom) &&
16693 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
16694 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
16695 char c = *p++; int whiteKingFile=NoRights, blackKingFile=NoRights;
16697 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
16698 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
16699 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
16701 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
16702 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
16703 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
16704 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
16705 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
16706 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
16709 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
16710 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
16711 board[CASTLING][2] = whiteKingFile;
16714 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
16715 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
16716 board[CASTLING][2] = whiteKingFile;
16719 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
16720 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
16721 board[CASTLING][5] = blackKingFile;
16724 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
16725 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
16726 board[CASTLING][5] = blackKingFile;
16729 default: /* FRC castlings */
16730 if(c >= 'a') { /* black rights */
16731 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16732 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
16733 if(i == BOARD_RGHT) break;
16734 board[CASTLING][5] = i;
16736 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
16737 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
16739 board[CASTLING][3] = c;
16741 board[CASTLING][4] = c;
16742 } else { /* white rights */
16743 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
16744 if(board[0][i] == WhiteKing) break;
16745 if(i == BOARD_RGHT) break;
16746 board[CASTLING][2] = i;
16747 c -= AAA - 'a' + 'A';
16748 if(board[0][c] >= WhiteKing) break;
16750 board[CASTLING][0] = c;
16752 board[CASTLING][1] = c;
16756 for(i=0; i<nrCastlingRights; i++)
16757 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
16758 if (appData.debugMode) {
16759 fprintf(debugFP, "FEN castling rights:");
16760 for(i=0; i<nrCastlingRights; i++)
16761 fprintf(debugFP, " %d", board[CASTLING][i]);
16762 fprintf(debugFP, "\n");
16765 while(*p==' ') p++;
16768 /* read e.p. field in games that know e.p. capture */
16769 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
16770 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier && gameInfo.variant != VariantMakruk ) {
16772 p++; board[EP_STATUS] = EP_NONE;
16774 char c = *p++ - AAA;
16776 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
16777 if(*p >= '0' && *p <='9') p++;
16778 board[EP_STATUS] = c;
16783 if(sscanf(p, "%d", &i) == 1) {
16784 FENrulePlies = i; /* 50-move ply counter */
16785 /* (The move number is still ignored) */
16792 EditPositionPasteFEN (char *fen)
16795 Board initial_position;
16797 if (!ParseFEN(initial_position, &blackPlaysFirst, fen)) {
16798 DisplayError(_("Bad FEN position in clipboard"), 0);
16801 int savedBlackPlaysFirst = blackPlaysFirst;
16802 EditPositionEvent();
16803 blackPlaysFirst = savedBlackPlaysFirst;
16804 CopyBoard(boards[0], initial_position);
16805 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
16806 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
16807 DisplayBothClocks();
16808 DrawPosition(FALSE, boards[currentMove]);
16813 static char cseq[12] = "\\ ";
16816 set_cont_sequence (char *new_seq)
16821 // handle bad attempts to set the sequence
16823 return 0; // acceptable error - no debug
16825 len = strlen(new_seq);
16826 ret = (len > 0) && (len < sizeof(cseq));
16828 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
16829 else if (appData.debugMode)
16830 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
16835 reformat a source message so words don't cross the width boundary. internal
16836 newlines are not removed. returns the wrapped size (no null character unless
16837 included in source message). If dest is NULL, only calculate the size required
16838 for the dest buffer. lp argument indicats line position upon entry, and it's
16839 passed back upon exit.
16842 wrap (char *dest, char *src, int count, int width, int *lp)
16844 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
16846 cseq_len = strlen(cseq);
16847 old_line = line = *lp;
16848 ansi = len = clen = 0;
16850 for (i=0; i < count; i++)
16852 if (src[i] == '\033')
16855 // if we hit the width, back up
16856 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
16858 // store i & len in case the word is too long
16859 old_i = i, old_len = len;
16861 // find the end of the last word
16862 while (i && src[i] != ' ' && src[i] != '\n')
16868 // word too long? restore i & len before splitting it
16869 if ((old_i-i+clen) >= width)
16876 if (i && src[i-1] == ' ')
16879 if (src[i] != ' ' && src[i] != '\n')
16886 // now append the newline and continuation sequence
16891 strncpy(dest+len, cseq, cseq_len);
16899 dest[len] = src[i];
16903 if (src[i] == '\n')
16908 if (dest && appData.debugMode)
16910 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
16911 count, width, line, len, *lp);
16912 show_bytes(debugFP, src, count);
16913 fprintf(debugFP, "\ndest: ");
16914 show_bytes(debugFP, dest, len);
16915 fprintf(debugFP, "\n");
16917 *lp = dest ? line : old_line;
16922 // [HGM] vari: routines for shelving variations
16923 Boolean modeRestore = FALSE;
16926 PushInner (int firstMove, int lastMove)
16928 int i, j, nrMoves = lastMove - firstMove;
16930 // push current tail of game on stack
16931 savedResult[storedGames] = gameInfo.result;
16932 savedDetails[storedGames] = gameInfo.resultDetails;
16933 gameInfo.resultDetails = NULL;
16934 savedFirst[storedGames] = firstMove;
16935 savedLast [storedGames] = lastMove;
16936 savedFramePtr[storedGames] = framePtr;
16937 framePtr -= nrMoves; // reserve space for the boards
16938 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
16939 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
16940 for(j=0; j<MOVE_LEN; j++)
16941 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
16942 for(j=0; j<2*MOVE_LEN; j++)
16943 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
16944 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
16945 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
16946 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
16947 pvInfoList[firstMove+i-1].depth = 0;
16948 commentList[framePtr+i] = commentList[firstMove+i];
16949 commentList[firstMove+i] = NULL;
16953 forwardMostMove = firstMove; // truncate game so we can start variation
16957 PushTail (int firstMove, int lastMove)
16959 if(appData.icsActive) { // only in local mode
16960 forwardMostMove = currentMove; // mimic old ICS behavior
16963 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
16965 PushInner(firstMove, lastMove);
16966 if(storedGames == 1) GreyRevert(FALSE);
16967 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
16971 PopInner (Boolean annotate)
16974 char buf[8000], moveBuf[20];
16976 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
16977 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
16978 nrMoves = savedLast[storedGames] - currentMove;
16981 if(!WhiteOnMove(currentMove))
16982 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
16983 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
16984 for(i=currentMove; i<forwardMostMove; i++) {
16986 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
16987 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
16988 strcat(buf, moveBuf);
16989 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
16990 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
16994 for(i=1; i<=nrMoves; i++) { // copy last variation back
16995 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
16996 for(j=0; j<MOVE_LEN; j++)
16997 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
16998 for(j=0; j<2*MOVE_LEN; j++)
16999 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
17000 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
17001 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
17002 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
17003 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
17004 commentList[currentMove+i] = commentList[framePtr+i];
17005 commentList[framePtr+i] = NULL;
17007 if(annotate) AppendComment(currentMove+1, buf, FALSE);
17008 framePtr = savedFramePtr[storedGames];
17009 gameInfo.result = savedResult[storedGames];
17010 if(gameInfo.resultDetails != NULL) {
17011 free(gameInfo.resultDetails);
17013 gameInfo.resultDetails = savedDetails[storedGames];
17014 forwardMostMove = currentMove + nrMoves;
17018 PopTail (Boolean annotate)
17020 if(appData.icsActive) return FALSE; // only in local mode
17021 if(!storedGames) return FALSE; // sanity
17022 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
17024 PopInner(annotate);
17025 if(currentMove < forwardMostMove) ForwardEvent(); else
17026 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
17028 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
17034 { // remove all shelved variations
17036 for(i=0; i<storedGames; i++) {
17037 if(savedDetails[i])
17038 free(savedDetails[i]);
17039 savedDetails[i] = NULL;
17041 for(i=framePtr; i<MAX_MOVES; i++) {
17042 if(commentList[i]) free(commentList[i]);
17043 commentList[i] = NULL;
17045 framePtr = MAX_MOVES-1;
17050 LoadVariation (int index, char *text)
17051 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
17052 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
17053 int level = 0, move;
17055 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
17056 // first find outermost bracketing variation
17057 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
17058 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
17059 if(*p == '{') wait = '}'; else
17060 if(*p == '[') wait = ']'; else
17061 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
17062 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
17064 if(*p == wait) wait = NULLCHAR; // closing ]} found
17067 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
17068 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
17069 end[1] = NULLCHAR; // clip off comment beyond variation
17070 ToNrEvent(currentMove-1);
17071 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
17072 // kludge: use ParsePV() to append variation to game
17073 move = currentMove;
17074 ParsePV(start, TRUE, TRUE);
17075 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
17076 ClearPremoveHighlights();
17078 ToNrEvent(currentMove+1);