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, 2013, 2014 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);
63 # define EGBB_NAME "egbbdll64.dll"
65 # define EGBB_NAME "egbbdll.dll"
70 # include <sys/file.h>
75 # define EGBB_NAME "egbbso64.so"
77 # define EGBB_NAME "egbbso.so"
79 // kludge to allow Windows code in back-end by converting it to corresponding Linux code
81 # define HMODULE void *
82 # define LoadLibrary(x) dlopen(x, RTLD_LAZY)
83 # define GetProcAddress dlsym
93 #include <sys/types.h>
102 #else /* not STDC_HEADERS */
105 # else /* not HAVE_STRING_H */
106 # include <strings.h>
107 # endif /* not HAVE_STRING_H */
108 #endif /* not STDC_HEADERS */
111 # include <sys/fcntl.h>
112 #else /* not HAVE_SYS_FCNTL_H */
115 # endif /* HAVE_FCNTL_H */
116 #endif /* not HAVE_SYS_FCNTL_H */
118 #if TIME_WITH_SYS_TIME
119 # include <sys/time.h>
123 # include <sys/time.h>
129 #if defined(_amigados) && !defined(__GNUC__)
134 extern int gettimeofday(struct timeval *, struct timezone *);
142 #include "frontend.h"
149 #include "backendz.h"
150 #include "evalgraph.h"
151 #include "engineoutput.h"
155 # define _(s) gettext (s)
156 # define N_(s) gettext_noop (s)
157 # define T_(s) gettext(s)
170 int establish P((void));
171 void read_from_player P((InputSourceRef isr, VOIDSTAR closure,
172 char *buf, int count, int error));
173 void read_from_ics P((InputSourceRef isr, VOIDSTAR closure,
174 char *buf, int count, int error));
175 void SendToICS P((char *s));
176 void SendToICSDelayed P((char *s, long msdelay));
177 void SendMoveToICS P((ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar));
178 void HandleMachineMove P((char *message, ChessProgramState *cps));
179 int AutoPlayOneMove P((void));
180 int LoadGameOneMove P((ChessMove readAhead));
181 int LoadGameFromFile P((char *filename, int n, char *title, int useList));
182 int LoadPositionFromFile P((char *filename, int n, char *title));
183 int SavePositionToFile P((char *filename));
184 void MakeMove P((int fromX, int fromY, int toX, int toY, int promoChar));
185 void ShowMove P((int fromX, int fromY, int toX, int toY));
186 int FinishMove P((ChessMove moveType, int fromX, int fromY, int toX, int toY,
187 /*char*/int promoChar));
188 void BackwardInner P((int target));
189 void ForwardInner P((int target));
190 int Adjudicate P((ChessProgramState *cps));
191 void GameEnds P((ChessMove result, char *resultDetails, int whosays));
192 void EditPositionDone P((Boolean fakeRights));
193 void PrintOpponents P((FILE *fp));
194 void PrintPosition P((FILE *fp, int move));
195 void StartChessProgram P((ChessProgramState *cps));
196 void SendToProgram P((char *message, ChessProgramState *cps));
197 void SendMoveToProgram P((int moveNum, ChessProgramState *cps));
198 void ReceiveFromProgram P((InputSourceRef isr, VOIDSTAR closure,
199 char *buf, int count, int error));
200 void SendTimeControl P((ChessProgramState *cps,
201 int mps, long tc, int inc, int sd, int st));
202 char *TimeControlTagValue P((void));
203 void Attention P((ChessProgramState *cps));
204 void FeedMovesToProgram P((ChessProgramState *cps, int upto));
205 int ResurrectChessProgram P((void));
206 void DisplayComment P((int moveNumber, char *text));
207 void DisplayMove P((int moveNumber));
209 void ParseGameHistory P((char *game));
210 void ParseBoard12 P((char *string));
211 void KeepAlive P((void));
212 void StartClocks P((void));
213 void SwitchClocks P((int nr));
214 void StopClocks P((void));
215 void ResetClocks P((void));
216 char *PGNDate P((void));
217 void SetGameInfo P((void));
218 int RegisterMove P((void));
219 void MakeRegisteredMove P((void));
220 void TruncateGame P((void));
221 int looking_at P((char *, int *, char *));
222 void CopyPlayerNameIntoFileName P((char **, char *));
223 char *SavePart P((char *));
224 int SaveGameOldStyle P((FILE *));
225 int SaveGamePGN P((FILE *));
226 int CheckFlags P((void));
227 long NextTickLength P((long));
228 void CheckTimeControl P((void));
229 void show_bytes P((FILE *, char *, int));
230 int string_to_rating P((char *str));
231 void ParseFeatures P((char* args, ChessProgramState *cps));
232 void InitBackEnd3 P((void));
233 void FeatureDone P((ChessProgramState* cps, int val));
234 void InitChessProgram P((ChessProgramState *cps, int setup));
235 void OutputKibitz(int window, char *text);
236 int PerpetualChase(int first, int last);
237 int EngineOutputIsUp();
238 void InitDrawingSizes(int x, int y);
239 void NextMatchGame P((void));
240 int NextTourneyGame P((int nr, int *swap));
241 int Pairing P((int nr, int nPlayers, int *w, int *b, int *sync));
242 FILE *WriteTourneyFile P((char *results, FILE *f));
243 void DisplayTwoMachinesTitle P(());
244 static void ExcludeClick P((int index));
245 void ToggleSecond P((void));
246 void PauseEngine P((ChessProgramState *cps));
247 static int NonStandardBoardSize P((VariantClass v, int w, int h, int s));
250 extern void ConsoleCreate();
253 ChessProgramState *WhitePlayer();
254 int VerifyDisplayMode P(());
256 char *GetInfoFromComment( int, char * ); // [HGM] PV time: returns stripped comment
257 void InitEngineUCI( const char * iniDir, ChessProgramState * cps ); // [HGM] moved here from winboard.c
258 char *ProbeBook P((int moveNr, char *book)); // [HGM] book: returns a book move
259 char *SendMoveToBookUser P((int nr, ChessProgramState *cps, int initial)); // [HGM] book
260 void ics_update_width P((int new_width));
261 extern char installDir[MSG_SIZ];
262 VariantClass startVariant; /* [HGM] nicks: initial variant */
265 extern int tinyLayout, smallLayout;
266 ChessProgramStats programStats;
267 char lastPV[2][2*MSG_SIZ]; /* [HGM] pv: last PV in thinking output of each engine */
269 static int exiting = 0; /* [HGM] moved to top */
270 static int setboardSpoiledMachineBlack = 0 /*, errorExitFlag = 0*/;
271 int startedFromPositionFile = FALSE; Board filePosition; /* [HGM] loadPos */
272 Board partnerBoard; /* [HGM] bughouse: for peeking at partner game */
273 int partnerHighlight[2];
274 Boolean partnerBoardValid = 0;
275 char partnerStatus[MSG_SIZ];
277 Boolean originalFlip;
278 Boolean twoBoards = 0;
279 char endingGame = 0; /* [HGM] crash: flag to prevent recursion of GameEnds() */
280 int whiteNPS, blackNPS; /* [HGM] nps: for easily making clocks aware of NPS */
281 VariantClass currentlyInitializedVariant; /* [HGM] variantswitch */
282 int lastIndex = 0; /* [HGM] autoinc: last game/position used in match mode */
283 Boolean connectionAlive;/* [HGM] alive: ICS connection status from probing */
284 int opponentKibitzes;
285 int lastSavedGame; /* [HGM] save: ID of game */
286 char chatPartner[MAX_CHAT][MSG_SIZ]; /* [HGM] chat: list of chatting partners */
287 extern int chatCount;
289 char marker[BOARD_RANKS][BOARD_FILES]; /* [HGM] marks for target squares */
290 char legal[BOARD_RANKS][BOARD_FILES]; /* [HGM] legal target squares */
291 char lastMsg[MSG_SIZ];
292 char lastTalker[MSG_SIZ];
293 ChessSquare pieceSweep = EmptySquare;
294 ChessSquare promoSweep = EmptySquare, defaultPromoChoice;
295 int promoDefaultAltered;
296 int keepInfo = 0; /* [HGM] to protect PGN tags in auto-step game analysis */
297 static int initPing = -1;
299 /* States for ics_getting_history */
301 #define H_REQUESTED 1
302 #define H_GOT_REQ_HEADER 2
303 #define H_GOT_UNREQ_HEADER 3
304 #define H_GETTING_MOVES 4
305 #define H_GOT_UNWANTED_HEADER 5
307 /* whosays values for GameEnds */
316 /* Maximum number of games in a cmail message */
317 #define CMAIL_MAX_GAMES 20
319 /* Different types of move when calling RegisterMove */
321 #define CMAIL_RESIGN 1
323 #define CMAIL_ACCEPT 3
325 /* Different types of result to remember for each game */
326 #define CMAIL_NOT_RESULT 0
327 #define CMAIL_OLD_RESULT 1
328 #define CMAIL_NEW_RESULT 2
330 /* Telnet protocol constants */
341 safeStrCpy (char *dst, const char *src, size_t count)
344 assert( dst != NULL );
345 assert( src != NULL );
348 for(i=0; i<count; i++) if((dst[i] = src[i]) == NULLCHAR) break;
349 if( i == count && dst[count-1] != NULLCHAR)
351 dst[ count-1 ] = '\0'; // make sure incomplete copy still null-terminated
352 if(appData.debugMode)
353 fprintf(debugFP, "safeStrCpy: copying %s into %s didn't work, not enough space %d\n",src,dst, (int)count);
359 /* Some compiler can't cast u64 to double
360 * This function do the job for us:
362 * We use the highest bit for cast, this only
363 * works if the highest bit is not
364 * in use (This should not happen)
366 * We used this for all compiler
369 u64ToDouble (u64 value)
372 u64 tmp = value & u64Const(0x7fffffffffffffff);
373 r = (double)(s64)tmp;
374 if (value & u64Const(0x8000000000000000))
375 r += 9.2233720368547758080e18; /* 2^63 */
379 /* Fake up flags for now, as we aren't keeping track of castling
380 availability yet. [HGM] Change of logic: the flag now only
381 indicates the type of castlings allowed by the rule of the game.
382 The actual rights themselves are maintained in the array
383 castlingRights, as part of the game history, and are not probed
389 int flags = F_ALL_CASTLE_OK;
390 if ((index % 2) == 0) flags |= F_WHITE_ON_MOVE;
391 switch (gameInfo.variant) {
393 flags &= ~F_ALL_CASTLE_OK;
394 case VariantGiveaway: // [HGM] moved this case label one down: seems Giveaway does have castling on ICC!
395 flags |= F_IGNORE_CHECK;
397 flags |= F_MANDATORY_CAPTURE; //[HGM] losers: sets flag so TestLegality rejects non-capts if capts exist
400 flags |= F_IGNORE_CHECK | F_ATOMIC_CAPTURE;
402 case VariantKriegspiel:
403 flags |= F_KRIEGSPIEL_CAPTURE;
405 case VariantCapaRandom:
406 case VariantFischeRandom:
407 flags |= F_FRC_TYPE_CASTLING; /* [HGM] enable this through flag */
408 case VariantNoCastle:
409 case VariantShatranj:
414 flags &= ~F_ALL_CASTLE_OK;
419 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
423 FILE *gameFileFP, *debugFP, *serverFP;
424 char *currentDebugFile; // [HGM] debug split: to remember name
427 [AS] Note: sometimes, the sscanf() function is used to parse the input
428 into a fixed-size buffer. Because of this, we must be prepared to
429 receive strings as long as the size of the input buffer, which is currently
430 set to 4K for Windows and 8K for the rest.
431 So, we must either allocate sufficiently large buffers here, or
432 reduce the size of the input buffer in the input reading part.
435 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
436 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
437 char thinkOutput1[MSG_SIZ*10];
439 ChessProgramState first, second, pairing;
441 /* premove variables */
444 int premoveFromX = 0;
445 int premoveFromY = 0;
446 int premovePromoChar = 0;
448 Boolean alarmSounded;
449 /* end premove variables */
451 char *ics_prefix = "$";
452 enum ICS_TYPE ics_type = ICS_GENERIC;
454 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
455 int pauseExamForwardMostMove = 0;
456 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
457 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
458 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
459 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
460 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
461 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
462 int whiteFlag = FALSE, blackFlag = FALSE;
463 int userOfferedDraw = FALSE;
464 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
465 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
466 int cmailMoveType[CMAIL_MAX_GAMES];
467 long ics_clock_paused = 0;
468 ProcRef icsPR = NoProc, cmailPR = NoProc;
469 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
470 GameMode gameMode = BeginningOfGame;
471 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
472 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
473 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
474 int hiddenThinkOutputState = 0; /* [AS] */
475 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
476 int adjudicateLossPlies = 6;
477 char white_holding[64], black_holding[64];
478 TimeMark lastNodeCountTime;
479 long lastNodeCount=0;
480 int shiftKey, controlKey; // [HGM] set by mouse handler
482 int have_sent_ICS_logon = 0;
484 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
485 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
486 Boolean adjustedClock;
487 long timeControl_2; /* [AS] Allow separate time controls */
488 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
489 long timeRemaining[2][MAX_MOVES];
490 int matchGame = 0, nextGame = 0, roundNr = 0;
491 Boolean waitingForGame = FALSE, startingEngine = FALSE;
492 TimeMark programStartTime, pauseStart;
493 char ics_handle[MSG_SIZ];
494 int have_set_title = 0;
496 /* animateTraining preserves the state of appData.animate
497 * when Training mode is activated. This allows the
498 * response to be animated when appData.animate == TRUE and
499 * appData.animateDragging == TRUE.
501 Boolean animateTraining;
507 Board boards[MAX_MOVES];
508 /* [HGM] Following 7 needed for accurate legality tests: */
509 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
510 signed char initialRights[BOARD_FILES];
511 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
512 int initialRulePlies, FENrulePlies;
513 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
515 Boolean shuffleOpenings;
516 int mute; // mute all sounds
518 // [HGM] vari: next 12 to save and restore variations
519 #define MAX_VARIATIONS 10
520 int framePtr = MAX_MOVES-1; // points to free stack entry
522 int savedFirst[MAX_VARIATIONS];
523 int savedLast[MAX_VARIATIONS];
524 int savedFramePtr[MAX_VARIATIONS];
525 char *savedDetails[MAX_VARIATIONS];
526 ChessMove savedResult[MAX_VARIATIONS];
528 void PushTail P((int firstMove, int lastMove));
529 Boolean PopTail P((Boolean annotate));
530 void PushInner P((int firstMove, int lastMove));
531 void PopInner P((Boolean annotate));
532 void CleanupTail P((void));
534 ChessSquare FIDEArray[2][BOARD_FILES] = {
535 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
536 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
537 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
538 BlackKing, BlackBishop, BlackKnight, BlackRook }
541 ChessSquare twoKingsArray[2][BOARD_FILES] = {
542 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
543 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
544 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
545 BlackKing, BlackKing, BlackKnight, BlackRook }
548 ChessSquare KnightmateArray[2][BOARD_FILES] = {
549 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
550 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
551 { BlackRook, BlackMan, BlackBishop, BlackQueen,
552 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
555 ChessSquare SpartanArray[2][BOARD_FILES] = {
556 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
557 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
558 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
559 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
562 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
563 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
564 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
565 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
566 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
569 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
570 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
571 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
572 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
573 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
576 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
577 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
578 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
579 { BlackRook, BlackKnight, BlackMan, BlackFerz,
580 BlackKing, BlackMan, BlackKnight, BlackRook }
583 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
584 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
585 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
586 { BlackRook, BlackKnight, BlackMan, BlackFerz,
587 BlackKing, BlackMan, BlackKnight, BlackRook }
590 ChessSquare lionArray[2][BOARD_FILES] = {
591 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
592 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
593 { BlackRook, BlackLion, BlackBishop, BlackQueen,
594 BlackKing, BlackBishop, BlackKnight, BlackRook }
598 #if (BOARD_FILES>=10)
599 ChessSquare ShogiArray[2][BOARD_FILES] = {
600 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
601 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
602 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
603 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
606 ChessSquare XiangqiArray[2][BOARD_FILES] = {
607 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
608 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
609 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
610 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
613 ChessSquare CapablancaArray[2][BOARD_FILES] = {
614 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
615 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
616 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
617 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
620 ChessSquare GreatArray[2][BOARD_FILES] = {
621 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
622 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
623 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
624 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
627 ChessSquare JanusArray[2][BOARD_FILES] = {
628 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
629 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
630 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
631 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
634 ChessSquare GrandArray[2][BOARD_FILES] = {
635 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
636 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
637 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
638 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
641 ChessSquare ChuChessArray[2][BOARD_FILES] = {
642 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
643 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
644 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
645 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
649 ChessSquare GothicArray[2][BOARD_FILES] = {
650 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
651 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
652 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
653 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
656 #define GothicArray CapablancaArray
660 ChessSquare FalconArray[2][BOARD_FILES] = {
661 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
662 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
663 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
664 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
667 #define FalconArray CapablancaArray
670 #else // !(BOARD_FILES>=10)
671 #define XiangqiPosition FIDEArray
672 #define CapablancaArray FIDEArray
673 #define GothicArray FIDEArray
674 #define GreatArray FIDEArray
675 #endif // !(BOARD_FILES>=10)
677 #if (BOARD_FILES>=12)
678 ChessSquare CourierArray[2][BOARD_FILES] = {
679 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
680 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
681 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
682 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
684 ChessSquare ChuArray[6][BOARD_FILES] = {
685 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
686 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
687 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
688 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
689 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
690 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
691 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
692 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
693 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
694 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
695 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
696 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
698 #else // !(BOARD_FILES>=12)
699 #define CourierArray CapablancaArray
700 #define ChuArray CapablancaArray
701 #endif // !(BOARD_FILES>=12)
704 Board initialPosition;
707 /* Convert str to a rating. Checks for special cases of "----",
709 "++++", etc. Also strips ()'s */
711 string_to_rating (char *str)
713 while(*str && !isdigit(*str)) ++str;
715 return 0; /* One of the special "no rating" cases */
723 /* Init programStats */
724 programStats.movelist[0] = 0;
725 programStats.depth = 0;
726 programStats.nr_moves = 0;
727 programStats.moves_left = 0;
728 programStats.nodes = 0;
729 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
730 programStats.score = 0;
731 programStats.got_only_move = 0;
732 programStats.got_fail = 0;
733 programStats.line_is_book = 0;
738 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
739 if (appData.firstPlaysBlack) {
740 first.twoMachinesColor = "black\n";
741 second.twoMachinesColor = "white\n";
743 first.twoMachinesColor = "white\n";
744 second.twoMachinesColor = "black\n";
747 first.other = &second;
748 second.other = &first;
751 if(appData.timeOddsMode) {
752 norm = appData.timeOdds[0];
753 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
755 first.timeOdds = appData.timeOdds[0]/norm;
756 second.timeOdds = appData.timeOdds[1]/norm;
759 if(programVersion) free(programVersion);
760 if (appData.noChessProgram) {
761 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
762 sprintf(programVersion, "%s", PACKAGE_STRING);
764 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
765 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
766 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
771 UnloadEngine (ChessProgramState *cps)
773 /* Kill off first chess program */
774 if (cps->isr != NULL)
775 RemoveInputSource(cps->isr);
778 if (cps->pr != NoProc) {
780 DoSleep( appData.delayBeforeQuit );
781 SendToProgram("quit\n", cps);
782 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
785 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
789 ClearOptions (ChessProgramState *cps)
792 cps->nrOptions = cps->comboCnt = 0;
793 for(i=0; i<MAX_OPTIONS; i++) {
794 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
795 cps->option[i].textValue = 0;
799 char *engineNames[] = {
800 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
801 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
803 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
804 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
809 InitEngine (ChessProgramState *cps, int n)
810 { // [HGM] all engine initialiation put in a function that does one engine
814 cps->which = engineNames[n];
815 cps->maybeThinking = FALSE;
819 cps->sendDrawOffers = 1;
821 cps->program = appData.chessProgram[n];
822 cps->host = appData.host[n];
823 cps->dir = appData.directory[n];
824 cps->initString = appData.engInitString[n];
825 cps->computerString = appData.computerString[n];
826 cps->useSigint = TRUE;
827 cps->useSigterm = TRUE;
828 cps->reuse = appData.reuse[n];
829 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
830 cps->useSetboard = FALSE;
832 cps->usePing = FALSE;
835 cps->usePlayother = FALSE;
836 cps->useColors = TRUE;
837 cps->useUsermove = FALSE;
838 cps->sendICS = FALSE;
839 cps->sendName = appData.icsActive;
840 cps->sdKludge = FALSE;
841 cps->stKludge = FALSE;
842 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
843 TidyProgramName(cps->program, cps->host, cps->tidy);
845 ASSIGN(cps->variants, appData.variant);
846 cps->analysisSupport = 2; /* detect */
847 cps->analyzing = FALSE;
848 cps->initDone = FALSE;
851 /* New features added by Tord: */
852 cps->useFEN960 = FALSE;
853 cps->useOOCastle = TRUE;
854 /* End of new features added by Tord. */
855 cps->fenOverride = appData.fenOverride[n];
857 /* [HGM] time odds: set factor for each machine */
858 cps->timeOdds = appData.timeOdds[n];
860 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
861 cps->accumulateTC = appData.accumulateTC[n];
862 cps->maxNrOfSessions = 1;
867 cps->drawDepth = appData.drawDepth[n];
868 cps->supportsNPS = UNKNOWN;
869 cps->memSize = FALSE;
870 cps->maxCores = FALSE;
871 ASSIGN(cps->egtFormats, "");
874 cps->optionSettings = appData.engOptions[n];
876 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
877 cps->isUCI = appData.isUCI[n]; /* [AS] */
878 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
881 if (appData.protocolVersion[n] > PROTOVER
882 || appData.protocolVersion[n] < 1)
887 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
888 appData.protocolVersion[n]);
889 if( (len >= MSG_SIZ) && appData.debugMode )
890 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
892 DisplayFatalError(buf, 0, 2);
896 cps->protocolVersion = appData.protocolVersion[n];
899 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
900 ParseFeatures(appData.featureDefaults, cps);
903 ChessProgramState *savCps;
911 if(WaitForEngine(savCps, LoadEngine)) return;
912 CommonEngineInit(); // recalculate time odds
913 if(gameInfo.variant != StringToVariant(appData.variant)) {
914 // we changed variant when loading the engine; this forces us to reset
915 Reset(TRUE, savCps != &first);
916 oldMode = BeginningOfGame; // to prevent restoring old mode
918 InitChessProgram(savCps, FALSE);
919 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
920 DisplayMessage("", "");
921 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
922 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
925 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
929 ReplaceEngine (ChessProgramState *cps, int n)
931 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
933 if(oldMode != BeginningOfGame) EditGameEvent();
936 appData.noChessProgram = FALSE;
937 appData.clockMode = TRUE;
940 if(n) return; // only startup first engine immediately; second can wait
941 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
945 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
946 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
948 static char resetOptions[] =
949 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
950 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
951 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
952 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
955 FloatToFront(char **list, char *engineLine)
957 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
959 if(appData.recentEngines <= 0) return;
960 TidyProgramName(engineLine, "localhost", tidy+1);
961 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
962 strncpy(buf+1, *list, MSG_SIZ-50);
963 if(p = strstr(buf, tidy)) { // tidy name appears in list
964 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
965 while(*p++ = *++q); // squeeze out
967 strcat(tidy, buf+1); // put list behind tidy name
968 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
969 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
970 ASSIGN(*list, tidy+1);
973 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
976 Load (ChessProgramState *cps, int i)
978 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
979 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
980 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
981 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
982 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
983 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
984 appData.firstProtocolVersion = PROTOVER;
985 ParseArgsFromString(buf);
987 ReplaceEngine(cps, i);
988 FloatToFront(&appData.recentEngineList, engineLine);
992 while(q = strchr(p, SLASH)) p = q+1;
993 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
994 if(engineDir[0] != NULLCHAR) {
995 ASSIGN(appData.directory[i], engineDir); p = engineName;
996 } else if(p != engineName) { // derive directory from engine path, when not given
998 ASSIGN(appData.directory[i], engineName);
1000 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1001 } else { ASSIGN(appData.directory[i], "."); }
1002 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1004 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1005 snprintf(command, MSG_SIZ, "%s %s", p, params);
1008 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1009 ASSIGN(appData.chessProgram[i], p);
1010 appData.isUCI[i] = isUCI;
1011 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1012 appData.hasOwnBookUCI[i] = hasBook;
1013 if(!nickName[0]) useNick = FALSE;
1014 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1018 q = firstChessProgramNames;
1019 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1020 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1021 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1022 quote, p, quote, appData.directory[i],
1023 useNick ? " -fn \"" : "",
1024 useNick ? nickName : "",
1025 useNick ? "\"" : "",
1026 v1 ? " -firstProtocolVersion 1" : "",
1027 hasBook ? "" : " -fNoOwnBookUCI",
1028 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1029 storeVariant ? " -variant " : "",
1030 storeVariant ? VariantName(gameInfo.variant) : "");
1031 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1032 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1033 if(insert != q) insert[-1] = NULLCHAR;
1034 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1036 FloatToFront(&appData.recentEngineList, buf);
1038 ReplaceEngine(cps, i);
1044 int matched, min, sec;
1046 * Parse timeControl resource
1048 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1049 appData.movesPerSession)) {
1051 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1052 DisplayFatalError(buf, 0, 2);
1056 * Parse searchTime resource
1058 if (*appData.searchTime != NULLCHAR) {
1059 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1061 searchTime = min * 60;
1062 } else if (matched == 2) {
1063 searchTime = min * 60 + sec;
1066 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1067 DisplayFatalError(buf, 0, 2);
1076 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1077 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1079 GetTimeMark(&programStartTime);
1080 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1081 appData.seedBase = random() + (random()<<15);
1082 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1084 ClearProgramStats();
1085 programStats.ok_to_send = 1;
1086 programStats.seen_stat = 0;
1089 * Initialize game list
1095 * Internet chess server status
1097 if (appData.icsActive) {
1098 appData.matchMode = FALSE;
1099 appData.matchGames = 0;
1101 appData.noChessProgram = !appData.zippyPlay;
1103 appData.zippyPlay = FALSE;
1104 appData.zippyTalk = FALSE;
1105 appData.noChessProgram = TRUE;
1107 if (*appData.icsHelper != NULLCHAR) {
1108 appData.useTelnet = TRUE;
1109 appData.telnetProgram = appData.icsHelper;
1112 appData.zippyTalk = appData.zippyPlay = FALSE;
1115 /* [AS] Initialize pv info list [HGM] and game state */
1119 for( i=0; i<=framePtr; i++ ) {
1120 pvInfoList[i].depth = -1;
1121 boards[i][EP_STATUS] = EP_NONE;
1122 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1128 /* [AS] Adjudication threshold */
1129 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1131 InitEngine(&first, 0);
1132 InitEngine(&second, 1);
1135 pairing.which = "pairing"; // pairing engine
1136 pairing.pr = NoProc;
1138 pairing.program = appData.pairingEngine;
1139 pairing.host = "localhost";
1142 if (appData.icsActive) {
1143 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1144 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1145 appData.clockMode = FALSE;
1146 first.sendTime = second.sendTime = 0;
1150 /* Override some settings from environment variables, for backward
1151 compatibility. Unfortunately it's not feasible to have the env
1152 vars just set defaults, at least in xboard. Ugh.
1154 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1159 if (!appData.icsActive) {
1163 /* Check for variants that are supported only in ICS mode,
1164 or not at all. Some that are accepted here nevertheless
1165 have bugs; see comments below.
1167 VariantClass variant = StringToVariant(appData.variant);
1169 case VariantBughouse: /* need four players and two boards */
1170 case VariantKriegspiel: /* need to hide pieces and move details */
1171 /* case VariantFischeRandom: (Fabien: moved below) */
1172 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1173 if( (len >= MSG_SIZ) && appData.debugMode )
1174 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1176 DisplayFatalError(buf, 0, 2);
1179 case VariantUnknown:
1180 case VariantLoadable:
1190 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1191 if( (len >= MSG_SIZ) && appData.debugMode )
1192 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1194 DisplayFatalError(buf, 0, 2);
1197 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1198 case VariantFairy: /* [HGM] TestLegality definitely off! */
1199 case VariantGothic: /* [HGM] should work */
1200 case VariantCapablanca: /* [HGM] should work */
1201 case VariantCourier: /* [HGM] initial forced moves not implemented */
1202 case VariantShogi: /* [HGM] could still mate with pawn drop */
1203 case VariantChu: /* [HGM] experimental */
1204 case VariantKnightmate: /* [HGM] should work */
1205 case VariantCylinder: /* [HGM] untested */
1206 case VariantFalcon: /* [HGM] untested */
1207 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1208 offboard interposition not understood */
1209 case VariantNormal: /* definitely works! */
1210 case VariantWildCastle: /* pieces not automatically shuffled */
1211 case VariantNoCastle: /* pieces not automatically shuffled */
1212 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1213 case VariantLosers: /* should work except for win condition,
1214 and doesn't know captures are mandatory */
1215 case VariantSuicide: /* should work except for win condition,
1216 and doesn't know captures are mandatory */
1217 case VariantGiveaway: /* should work except for win condition,
1218 and doesn't know captures are mandatory */
1219 case VariantTwoKings: /* should work */
1220 case VariantAtomic: /* should work except for win condition */
1221 case Variant3Check: /* should work except for win condition */
1222 case VariantShatranj: /* should work except for all win conditions */
1223 case VariantMakruk: /* should work except for draw countdown */
1224 case VariantASEAN : /* should work except for draw countdown */
1225 case VariantBerolina: /* might work if TestLegality is off */
1226 case VariantCapaRandom: /* should work */
1227 case VariantJanus: /* should work */
1228 case VariantSuper: /* experimental */
1229 case VariantGreat: /* experimental, requires legality testing to be off */
1230 case VariantSChess: /* S-Chess, should work */
1231 case VariantGrand: /* should work */
1232 case VariantSpartan: /* should work */
1233 case VariantLion: /* should work */
1234 case VariantChuChess: /* should work */
1242 NextIntegerFromString (char ** str, long * value)
1247 while( *s == ' ' || *s == '\t' ) {
1253 if( *s >= '0' && *s <= '9' ) {
1254 while( *s >= '0' && *s <= '9' ) {
1255 *value = *value * 10 + (*s - '0');
1268 NextTimeControlFromString (char ** str, long * value)
1271 int result = NextIntegerFromString( str, &temp );
1274 *value = temp * 60; /* Minutes */
1275 if( **str == ':' ) {
1277 result = NextIntegerFromString( str, &temp );
1278 *value += temp; /* Seconds */
1286 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1287 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1288 int result = -1, type = 0; long temp, temp2;
1290 if(**str != ':') return -1; // old params remain in force!
1292 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1293 if( NextIntegerFromString( str, &temp ) ) return -1;
1294 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1297 /* time only: incremental or sudden-death time control */
1298 if(**str == '+') { /* increment follows; read it */
1300 if(**str == '!') type = *(*str)++; // Bronstein TC
1301 if(result = NextIntegerFromString( str, &temp2)) return -1;
1302 *inc = temp2 * 1000;
1303 if(**str == '.') { // read fraction of increment
1304 char *start = ++(*str);
1305 if(result = NextIntegerFromString( str, &temp2)) return -1;
1307 while(start++ < *str) temp2 /= 10;
1311 *moves = 0; *tc = temp * 1000; *incType = type;
1315 (*str)++; /* classical time control */
1316 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1328 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1329 { /* [HGM] get time to add from the multi-session time-control string */
1330 int incType, moves=1; /* kludge to force reading of first session */
1331 long time, increment;
1334 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1336 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1337 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1338 if(movenr == -1) return time; /* last move before new session */
1339 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1340 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1341 if(!moves) return increment; /* current session is incremental */
1342 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1343 } while(movenr >= -1); /* try again for next session */
1345 return 0; // no new time quota on this move
1349 ParseTimeControl (char *tc, float ti, int mps)
1353 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1356 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1357 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1358 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1362 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1364 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1367 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1369 snprintf(buf, MSG_SIZ, ":%s", mytc);
1371 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1373 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1378 /* Parse second time control */
1381 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1389 timeControl_2 = tc2 * 1000;
1399 timeControl = tc1 * 1000;
1402 timeIncrement = ti * 1000; /* convert to ms */
1403 movesPerSession = 0;
1406 movesPerSession = mps;
1414 if (appData.debugMode) {
1415 # ifdef __GIT_VERSION
1416 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1418 fprintf(debugFP, "Version: %s\n", programVersion);
1421 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1423 set_cont_sequence(appData.wrapContSeq);
1424 if (appData.matchGames > 0) {
1425 appData.matchMode = TRUE;
1426 } else if (appData.matchMode) {
1427 appData.matchGames = 1;
1429 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1430 appData.matchGames = appData.sameColorGames;
1431 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1432 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1433 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1436 if (appData.noChessProgram || first.protocolVersion == 1) {
1439 /* kludge: allow timeout for initial "feature" commands */
1441 DisplayMessage("", _("Starting chess program"));
1442 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1447 CalculateIndex (int index, int gameNr)
1448 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1450 if(index > 0) return index; // fixed nmber
1451 if(index == 0) return 1;
1452 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1453 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1458 LoadGameOrPosition (int gameNr)
1459 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1460 if (*appData.loadGameFile != NULLCHAR) {
1461 if (!LoadGameFromFile(appData.loadGameFile,
1462 CalculateIndex(appData.loadGameIndex, gameNr),
1463 appData.loadGameFile, FALSE)) {
1464 DisplayFatalError(_("Bad game file"), 0, 1);
1467 } else if (*appData.loadPositionFile != NULLCHAR) {
1468 if (!LoadPositionFromFile(appData.loadPositionFile,
1469 CalculateIndex(appData.loadPositionIndex, gameNr),
1470 appData.loadPositionFile)) {
1471 DisplayFatalError(_("Bad position file"), 0, 1);
1479 ReserveGame (int gameNr, char resChar)
1481 FILE *tf = fopen(appData.tourneyFile, "r+");
1482 char *p, *q, c, buf[MSG_SIZ];
1483 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1484 safeStrCpy(buf, lastMsg, MSG_SIZ);
1485 DisplayMessage(_("Pick new game"), "");
1486 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1487 ParseArgsFromFile(tf);
1488 p = q = appData.results;
1489 if(appData.debugMode) {
1490 char *r = appData.participants;
1491 fprintf(debugFP, "results = '%s'\n", p);
1492 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1493 fprintf(debugFP, "\n");
1495 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1497 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1498 safeStrCpy(q, p, strlen(p) + 2);
1499 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1500 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1501 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1502 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1505 fseek(tf, -(strlen(p)+4), SEEK_END);
1507 if(c != '"') // depending on DOS or Unix line endings we can be one off
1508 fseek(tf, -(strlen(p)+2), SEEK_END);
1509 else fseek(tf, -(strlen(p)+3), SEEK_END);
1510 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1511 DisplayMessage(buf, "");
1512 free(p); appData.results = q;
1513 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1514 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1515 int round = appData.defaultMatchGames * appData.tourneyType;
1516 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1517 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1518 UnloadEngine(&first); // next game belongs to other pairing;
1519 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1521 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1525 MatchEvent (int mode)
1526 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1528 if(matchMode) { // already in match mode: switch it off
1530 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1533 // if(gameMode != BeginningOfGame) {
1534 // DisplayError(_("You can only start a match from the initial position."), 0);
1538 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1539 /* Set up machine vs. machine match */
1541 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1542 if(appData.tourneyFile[0]) {
1544 if(nextGame > appData.matchGames) {
1546 if(strchr(appData.results, '*') == NULL) {
1548 appData.tourneyCycles++;
1549 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1551 NextTourneyGame(-1, &dummy);
1553 if(nextGame <= appData.matchGames) {
1554 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1556 ScheduleDelayedEvent(NextMatchGame, 10000);
1561 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1562 DisplayError(buf, 0);
1563 appData.tourneyFile[0] = 0;
1567 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1568 DisplayFatalError(_("Can't have a match with no chess programs"),
1573 matchGame = roundNr = 1;
1574 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1578 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1581 InitBackEnd3 P((void))
1583 GameMode initialMode;
1587 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1588 !strcmp(appData.variant, "normal") && // no explicit variant request
1589 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1590 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1591 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1592 char c, *q = first.variants, *p = strchr(q, ',');
1593 if(p) *p = NULLCHAR;
1594 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1596 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1597 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1598 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1599 Reset(TRUE, FALSE); // and re-initialize
1604 InitChessProgram(&first, startedFromSetupPosition);
1606 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1607 free(programVersion);
1608 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1609 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1610 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1613 if (appData.icsActive) {
1615 /* [DM] Make a console window if needed [HGM] merged ifs */
1621 if (*appData.icsCommPort != NULLCHAR)
1622 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1623 appData.icsCommPort);
1625 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1626 appData.icsHost, appData.icsPort);
1628 if( (len >= MSG_SIZ) && appData.debugMode )
1629 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1631 DisplayFatalError(buf, err, 1);
1636 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1638 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1639 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1640 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1641 } else if (appData.noChessProgram) {
1647 if (*appData.cmailGameName != NULLCHAR) {
1649 OpenLoopback(&cmailPR);
1651 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1655 DisplayMessage("", "");
1656 if (StrCaseCmp(appData.initialMode, "") == 0) {
1657 initialMode = BeginningOfGame;
1658 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1659 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1660 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1661 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1664 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1665 initialMode = TwoMachinesPlay;
1666 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1667 initialMode = AnalyzeFile;
1668 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1669 initialMode = AnalyzeMode;
1670 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1671 initialMode = MachinePlaysWhite;
1672 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1673 initialMode = MachinePlaysBlack;
1674 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1675 initialMode = EditGame;
1676 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1677 initialMode = EditPosition;
1678 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1679 initialMode = Training;
1681 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1682 if( (len >= MSG_SIZ) && appData.debugMode )
1683 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1685 DisplayFatalError(buf, 0, 2);
1689 if (appData.matchMode) {
1690 if(appData.tourneyFile[0]) { // start tourney from command line
1692 if(f = fopen(appData.tourneyFile, "r")) {
1693 ParseArgsFromFile(f); // make sure tourney parmeters re known
1695 appData.clockMode = TRUE;
1697 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1700 } else if (*appData.cmailGameName != NULLCHAR) {
1701 /* Set up cmail mode */
1702 ReloadCmailMsgEvent(TRUE);
1704 /* Set up other modes */
1705 if (initialMode == AnalyzeFile) {
1706 if (*appData.loadGameFile == NULLCHAR) {
1707 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1711 if (*appData.loadGameFile != NULLCHAR) {
1712 (void) LoadGameFromFile(appData.loadGameFile,
1713 appData.loadGameIndex,
1714 appData.loadGameFile, TRUE);
1715 } else if (*appData.loadPositionFile != NULLCHAR) {
1716 (void) LoadPositionFromFile(appData.loadPositionFile,
1717 appData.loadPositionIndex,
1718 appData.loadPositionFile);
1719 /* [HGM] try to make self-starting even after FEN load */
1720 /* to allow automatic setup of fairy variants with wtm */
1721 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1722 gameMode = BeginningOfGame;
1723 setboardSpoiledMachineBlack = 1;
1725 /* [HGM] loadPos: make that every new game uses the setup */
1726 /* from file as long as we do not switch variant */
1727 if(!blackPlaysFirst) {
1728 startedFromPositionFile = TRUE;
1729 CopyBoard(filePosition, boards[0]);
1732 if (initialMode == AnalyzeMode) {
1733 if (appData.noChessProgram) {
1734 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1737 if (appData.icsActive) {
1738 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1742 } else if (initialMode == AnalyzeFile) {
1743 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1744 ShowThinkingEvent();
1746 AnalysisPeriodicEvent(1);
1747 } else if (initialMode == MachinePlaysWhite) {
1748 if (appData.noChessProgram) {
1749 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1753 if (appData.icsActive) {
1754 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1758 MachineWhiteEvent();
1759 } else if (initialMode == MachinePlaysBlack) {
1760 if (appData.noChessProgram) {
1761 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1765 if (appData.icsActive) {
1766 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1770 MachineBlackEvent();
1771 } else if (initialMode == TwoMachinesPlay) {
1772 if (appData.noChessProgram) {
1773 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1777 if (appData.icsActive) {
1778 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1783 } else if (initialMode == EditGame) {
1785 } else if (initialMode == EditPosition) {
1786 EditPositionEvent();
1787 } else if (initialMode == Training) {
1788 if (*appData.loadGameFile == NULLCHAR) {
1789 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1798 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1800 DisplayBook(current+1);
1802 MoveHistorySet( movelist, first, last, current, pvInfoList );
1804 EvalGraphSet( first, last, current, pvInfoList );
1806 MakeEngineOutputTitle();
1810 * Establish will establish a contact to a remote host.port.
1811 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1812 * used to talk to the host.
1813 * Returns 0 if okay, error code if not.
1820 if (*appData.icsCommPort != NULLCHAR) {
1821 /* Talk to the host through a serial comm port */
1822 return OpenCommPort(appData.icsCommPort, &icsPR);
1824 } else if (*appData.gateway != NULLCHAR) {
1825 if (*appData.remoteShell == NULLCHAR) {
1826 /* Use the rcmd protocol to run telnet program on a gateway host */
1827 snprintf(buf, sizeof(buf), "%s %s %s",
1828 appData.telnetProgram, appData.icsHost, appData.icsPort);
1829 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1832 /* Use the rsh program to run telnet program on a gateway host */
1833 if (*appData.remoteUser == NULLCHAR) {
1834 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1835 appData.gateway, appData.telnetProgram,
1836 appData.icsHost, appData.icsPort);
1838 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1839 appData.remoteShell, appData.gateway,
1840 appData.remoteUser, appData.telnetProgram,
1841 appData.icsHost, appData.icsPort);
1843 return StartChildProcess(buf, "", &icsPR);
1846 } else if (appData.useTelnet) {
1847 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1850 /* TCP socket interface differs somewhat between
1851 Unix and NT; handle details in the front end.
1853 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1858 EscapeExpand (char *p, char *q)
1859 { // [HGM] initstring: routine to shape up string arguments
1860 while(*p++ = *q++) if(p[-1] == '\\')
1862 case 'n': p[-1] = '\n'; break;
1863 case 'r': p[-1] = '\r'; break;
1864 case 't': p[-1] = '\t'; break;
1865 case '\\': p[-1] = '\\'; break;
1866 case 0: *p = 0; return;
1867 default: p[-1] = q[-1]; break;
1872 show_bytes (FILE *fp, char *buf, int count)
1875 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1876 fprintf(fp, "\\%03o", *buf & 0xff);
1885 /* Returns an errno value */
1887 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1889 char buf[8192], *p, *q, *buflim;
1890 int left, newcount, outcount;
1892 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1893 *appData.gateway != NULLCHAR) {
1894 if (appData.debugMode) {
1895 fprintf(debugFP, ">ICS: ");
1896 show_bytes(debugFP, message, count);
1897 fprintf(debugFP, "\n");
1899 return OutputToProcess(pr, message, count, outError);
1902 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1909 if (appData.debugMode) {
1910 fprintf(debugFP, ">ICS: ");
1911 show_bytes(debugFP, buf, newcount);
1912 fprintf(debugFP, "\n");
1914 outcount = OutputToProcess(pr, buf, newcount, outError);
1915 if (outcount < newcount) return -1; /* to be sure */
1922 } else if (((unsigned char) *p) == TN_IAC) {
1923 *q++ = (char) TN_IAC;
1930 if (appData.debugMode) {
1931 fprintf(debugFP, ">ICS: ");
1932 show_bytes(debugFP, buf, newcount);
1933 fprintf(debugFP, "\n");
1935 outcount = OutputToProcess(pr, buf, newcount, outError);
1936 if (outcount < newcount) return -1; /* to be sure */
1941 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1943 int outError, outCount;
1944 static int gotEof = 0;
1947 /* Pass data read from player on to ICS */
1950 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1951 if (outCount < count) {
1952 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1954 if(have_sent_ICS_logon == 2) {
1955 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1956 fprintf(ini, "%s", message);
1957 have_sent_ICS_logon = 3;
1959 have_sent_ICS_logon = 1;
1960 } else if(have_sent_ICS_logon == 3) {
1961 fprintf(ini, "%s", message);
1963 have_sent_ICS_logon = 1;
1965 } else if (count < 0) {
1966 RemoveInputSource(isr);
1967 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1968 } else if (gotEof++ > 0) {
1969 RemoveInputSource(isr);
1970 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1976 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1977 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1978 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1979 SendToICS("date\n");
1980 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1983 /* added routine for printf style output to ics */
1985 ics_printf (char *format, ...)
1987 char buffer[MSG_SIZ];
1990 va_start(args, format);
1991 vsnprintf(buffer, sizeof(buffer), format, args);
1992 buffer[sizeof(buffer)-1] = '\0';
2000 int count, outCount, outError;
2002 if (icsPR == NoProc) return;
2005 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2006 if (outCount < count) {
2007 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2011 /* This is used for sending logon scripts to the ICS. Sending
2012 without a delay causes problems when using timestamp on ICC
2013 (at least on my machine). */
2015 SendToICSDelayed (char *s, long msdelay)
2017 int count, outCount, outError;
2019 if (icsPR == NoProc) return;
2022 if (appData.debugMode) {
2023 fprintf(debugFP, ">ICS: ");
2024 show_bytes(debugFP, s, count);
2025 fprintf(debugFP, "\n");
2027 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2029 if (outCount < count) {
2030 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2035 /* Remove all highlighting escape sequences in s
2036 Also deletes any suffix starting with '('
2039 StripHighlightAndTitle (char *s)
2041 static char retbuf[MSG_SIZ];
2044 while (*s != NULLCHAR) {
2045 while (*s == '\033') {
2046 while (*s != NULLCHAR && !isalpha(*s)) s++;
2047 if (*s != NULLCHAR) s++;
2049 while (*s != NULLCHAR && *s != '\033') {
2050 if (*s == '(' || *s == '[') {
2061 /* Remove all highlighting escape sequences in s */
2063 StripHighlight (char *s)
2065 static char retbuf[MSG_SIZ];
2068 while (*s != NULLCHAR) {
2069 while (*s == '\033') {
2070 while (*s != NULLCHAR && !isalpha(*s)) s++;
2071 if (*s != NULLCHAR) s++;
2073 while (*s != NULLCHAR && *s != '\033') {
2081 char engineVariant[MSG_SIZ];
2082 char *variantNames[] = VARIANT_NAMES;
2084 VariantName (VariantClass v)
2086 if(v == VariantUnknown || *engineVariant) return engineVariant;
2087 return variantNames[v];
2091 /* Identify a variant from the strings the chess servers use or the
2092 PGN Variant tag names we use. */
2094 StringToVariant (char *e)
2098 VariantClass v = VariantNormal;
2099 int i, found = FALSE;
2105 /* [HGM] skip over optional board-size prefixes */
2106 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2107 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2108 while( *e++ != '_');
2111 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2115 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2116 if (p = StrCaseStr(e, variantNames[i])) {
2117 if(p && i >= VariantShogi && isalpha(p[strlen(variantNames[i])])) continue;
2118 v = (VariantClass) i;
2125 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2126 || StrCaseStr(e, "wild/fr")
2127 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2128 v = VariantFischeRandom;
2129 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2130 (i = 1, p = StrCaseStr(e, "w"))) {
2132 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2139 case 0: /* FICS only, actually */
2141 /* Castling legal even if K starts on d-file */
2142 v = VariantWildCastle;
2147 /* Castling illegal even if K & R happen to start in
2148 normal positions. */
2149 v = VariantNoCastle;
2162 /* Castling legal iff K & R start in normal positions */
2168 /* Special wilds for position setup; unclear what to do here */
2169 v = VariantLoadable;
2172 /* Bizarre ICC game */
2173 v = VariantTwoKings;
2176 v = VariantKriegspiel;
2182 v = VariantFischeRandom;
2185 v = VariantCrazyhouse;
2188 v = VariantBughouse;
2194 /* Not quite the same as FICS suicide! */
2195 v = VariantGiveaway;
2201 v = VariantShatranj;
2204 /* Temporary names for future ICC types. The name *will* change in
2205 the next xboard/WinBoard release after ICC defines it. */
2243 v = VariantCapablanca;
2246 v = VariantKnightmate;
2252 v = VariantCylinder;
2258 v = VariantCapaRandom;
2261 v = VariantBerolina;
2273 /* Found "wild" or "w" in the string but no number;
2274 must assume it's normal chess. */
2278 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2279 if( (len >= MSG_SIZ) && appData.debugMode )
2280 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2282 DisplayError(buf, 0);
2288 if (appData.debugMode) {
2289 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2290 e, wnum, VariantName(v));
2295 static int leftover_start = 0, leftover_len = 0;
2296 char star_match[STAR_MATCH_N][MSG_SIZ];
2298 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2299 advance *index beyond it, and set leftover_start to the new value of
2300 *index; else return FALSE. If pattern contains the character '*', it
2301 matches any sequence of characters not containing '\r', '\n', or the
2302 character following the '*' (if any), and the matched sequence(s) are
2303 copied into star_match.
2306 looking_at ( char *buf, int *index, char *pattern)
2308 char *bufp = &buf[*index], *patternp = pattern;
2310 char *matchp = star_match[0];
2313 if (*patternp == NULLCHAR) {
2314 *index = leftover_start = bufp - buf;
2318 if (*bufp == NULLCHAR) return FALSE;
2319 if (*patternp == '*') {
2320 if (*bufp == *(patternp + 1)) {
2322 matchp = star_match[++star_count];
2326 } else if (*bufp == '\n' || *bufp == '\r') {
2328 if (*patternp == NULLCHAR)
2333 *matchp++ = *bufp++;
2337 if (*patternp != *bufp) return FALSE;
2344 SendToPlayer (char *data, int length)
2346 int error, outCount;
2347 outCount = OutputToProcess(NoProc, data, length, &error);
2348 if (outCount < length) {
2349 DisplayFatalError(_("Error writing to display"), error, 1);
2354 PackHolding (char packed[], char *holding)
2364 switch (runlength) {
2375 sprintf(q, "%d", runlength);
2387 /* Telnet protocol requests from the front end */
2389 TelnetRequest (unsigned char ddww, unsigned char option)
2391 unsigned char msg[3];
2392 int outCount, outError;
2394 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2396 if (appData.debugMode) {
2397 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2413 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2422 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2425 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2430 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2432 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2439 if (!appData.icsActive) return;
2440 TelnetRequest(TN_DO, TN_ECHO);
2446 if (!appData.icsActive) return;
2447 TelnetRequest(TN_DONT, TN_ECHO);
2451 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2453 /* put the holdings sent to us by the server on the board holdings area */
2454 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2458 if(gameInfo.holdingsWidth < 2) return;
2459 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2460 return; // prevent overwriting by pre-board holdings
2462 if( (int)lowestPiece >= BlackPawn ) {
2465 holdingsStartRow = BOARD_HEIGHT-1;
2468 holdingsColumn = BOARD_WIDTH-1;
2469 countsColumn = BOARD_WIDTH-2;
2470 holdingsStartRow = 0;
2474 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2475 board[i][holdingsColumn] = EmptySquare;
2476 board[i][countsColumn] = (ChessSquare) 0;
2478 while( (p=*holdings++) != NULLCHAR ) {
2479 piece = CharToPiece( ToUpper(p) );
2480 if(piece == EmptySquare) continue;
2481 /*j = (int) piece - (int) WhitePawn;*/
2482 j = PieceToNumber(piece);
2483 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2484 if(j < 0) continue; /* should not happen */
2485 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2486 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2487 board[holdingsStartRow+j*direction][countsColumn]++;
2493 VariantSwitch (Board board, VariantClass newVariant)
2495 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2496 static Board oldBoard;
2498 startedFromPositionFile = FALSE;
2499 if(gameInfo.variant == newVariant) return;
2501 /* [HGM] This routine is called each time an assignment is made to
2502 * gameInfo.variant during a game, to make sure the board sizes
2503 * are set to match the new variant. If that means adding or deleting
2504 * holdings, we shift the playing board accordingly
2505 * This kludge is needed because in ICS observe mode, we get boards
2506 * of an ongoing game without knowing the variant, and learn about the
2507 * latter only later. This can be because of the move list we requested,
2508 * in which case the game history is refilled from the beginning anyway,
2509 * but also when receiving holdings of a crazyhouse game. In the latter
2510 * case we want to add those holdings to the already received position.
2514 if (appData.debugMode) {
2515 fprintf(debugFP, "Switch board from %s to %s\n",
2516 VariantName(gameInfo.variant), VariantName(newVariant));
2517 setbuf(debugFP, NULL);
2519 shuffleOpenings = 0; /* [HGM] shuffle */
2520 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2524 newWidth = 9; newHeight = 9;
2525 gameInfo.holdingsSize = 7;
2526 case VariantBughouse:
2527 case VariantCrazyhouse:
2528 newHoldingsWidth = 2; break;
2532 newHoldingsWidth = 2;
2533 gameInfo.holdingsSize = 8;
2536 case VariantCapablanca:
2537 case VariantCapaRandom:
2540 newHoldingsWidth = gameInfo.holdingsSize = 0;
2543 if(newWidth != gameInfo.boardWidth ||
2544 newHeight != gameInfo.boardHeight ||
2545 newHoldingsWidth != gameInfo.holdingsWidth ) {
2547 /* shift position to new playing area, if needed */
2548 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2549 for(i=0; i<BOARD_HEIGHT; i++)
2550 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2551 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2553 for(i=0; i<newHeight; i++) {
2554 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2555 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2557 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2558 for(i=0; i<BOARD_HEIGHT; i++)
2559 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2560 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2563 board[HOLDINGS_SET] = 0;
2564 gameInfo.boardWidth = newWidth;
2565 gameInfo.boardHeight = newHeight;
2566 gameInfo.holdingsWidth = newHoldingsWidth;
2567 gameInfo.variant = newVariant;
2568 InitDrawingSizes(-2, 0);
2569 } else gameInfo.variant = newVariant;
2570 CopyBoard(oldBoard, board); // remember correctly formatted board
2571 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2572 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2575 static int loggedOn = FALSE;
2577 /*-- Game start info cache: --*/
2579 char gs_kind[MSG_SIZ];
2580 static char player1Name[128] = "";
2581 static char player2Name[128] = "";
2582 static char cont_seq[] = "\n\\ ";
2583 static int player1Rating = -1;
2584 static int player2Rating = -1;
2585 /*----------------------------*/
2587 ColorClass curColor = ColorNormal;
2588 int suppressKibitz = 0;
2591 Boolean soughtPending = FALSE;
2592 Boolean seekGraphUp;
2593 #define MAX_SEEK_ADS 200
2595 char *seekAdList[MAX_SEEK_ADS];
2596 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2597 float tcList[MAX_SEEK_ADS];
2598 char colorList[MAX_SEEK_ADS];
2599 int nrOfSeekAds = 0;
2600 int minRating = 1010, maxRating = 2800;
2601 int hMargin = 10, vMargin = 20, h, w;
2602 extern int squareSize, lineGap;
2607 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2608 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2609 if(r < minRating+100 && r >=0 ) r = minRating+100;
2610 if(r > maxRating) r = maxRating;
2611 if(tc < 1.f) tc = 1.f;
2612 if(tc > 95.f) tc = 95.f;
2613 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2614 y = ((double)r - minRating)/(maxRating - minRating)
2615 * (h-vMargin-squareSize/8-1) + vMargin;
2616 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2617 if(strstr(seekAdList[i], " u ")) color = 1;
2618 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2619 !strstr(seekAdList[i], "bullet") &&
2620 !strstr(seekAdList[i], "blitz") &&
2621 !strstr(seekAdList[i], "standard") ) color = 2;
2622 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2623 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2627 PlotSingleSeekAd (int i)
2633 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2635 char buf[MSG_SIZ], *ext = "";
2636 VariantClass v = StringToVariant(type);
2637 if(strstr(type, "wild")) {
2638 ext = type + 4; // append wild number
2639 if(v == VariantFischeRandom) type = "chess960"; else
2640 if(v == VariantLoadable) type = "setup"; else
2641 type = VariantName(v);
2643 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2644 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2645 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2646 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2647 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2648 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2649 seekNrList[nrOfSeekAds] = nr;
2650 zList[nrOfSeekAds] = 0;
2651 seekAdList[nrOfSeekAds++] = StrSave(buf);
2652 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2657 EraseSeekDot (int i)
2659 int x = xList[i], y = yList[i], d=squareSize/4, k;
2660 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2661 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2662 // now replot every dot that overlapped
2663 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2664 int xx = xList[k], yy = yList[k];
2665 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2666 DrawSeekDot(xx, yy, colorList[k]);
2671 RemoveSeekAd (int nr)
2674 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2676 if(seekAdList[i]) free(seekAdList[i]);
2677 seekAdList[i] = seekAdList[--nrOfSeekAds];
2678 seekNrList[i] = seekNrList[nrOfSeekAds];
2679 ratingList[i] = ratingList[nrOfSeekAds];
2680 colorList[i] = colorList[nrOfSeekAds];
2681 tcList[i] = tcList[nrOfSeekAds];
2682 xList[i] = xList[nrOfSeekAds];
2683 yList[i] = yList[nrOfSeekAds];
2684 zList[i] = zList[nrOfSeekAds];
2685 seekAdList[nrOfSeekAds] = NULL;
2691 MatchSoughtLine (char *line)
2693 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2694 int nr, base, inc, u=0; char dummy;
2696 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2697 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2699 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2700 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2701 // match: compact and save the line
2702 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2712 if(!seekGraphUp) return FALSE;
2713 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2714 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2716 DrawSeekBackground(0, 0, w, h);
2717 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2718 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2719 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2720 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2722 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2725 snprintf(buf, MSG_SIZ, "%d", i);
2726 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2729 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2730 for(i=1; i<100; i+=(i<10?1:5)) {
2731 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2732 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2733 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2735 snprintf(buf, MSG_SIZ, "%d", i);
2736 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2739 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2744 SeekGraphClick (ClickType click, int x, int y, int moving)
2746 static int lastDown = 0, displayed = 0, lastSecond;
2747 if(y < 0) return FALSE;
2748 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2749 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2750 if(!seekGraphUp) return FALSE;
2751 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2752 DrawPosition(TRUE, NULL);
2755 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2756 if(click == Release || moving) return FALSE;
2758 soughtPending = TRUE;
2759 SendToICS(ics_prefix);
2760 SendToICS("sought\n"); // should this be "sought all"?
2761 } else { // issue challenge based on clicked ad
2762 int dist = 10000; int i, closest = 0, second = 0;
2763 for(i=0; i<nrOfSeekAds; i++) {
2764 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2765 if(d < dist) { dist = d; closest = i; }
2766 second += (d - zList[i] < 120); // count in-range ads
2767 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2771 second = (second > 1);
2772 if(displayed != closest || second != lastSecond) {
2773 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2774 lastSecond = second; displayed = closest;
2776 if(click == Press) {
2777 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2780 } // on press 'hit', only show info
2781 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2782 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2783 SendToICS(ics_prefix);
2785 return TRUE; // let incoming board of started game pop down the graph
2786 } else if(click == Release) { // release 'miss' is ignored
2787 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2788 if(moving == 2) { // right up-click
2789 nrOfSeekAds = 0; // refresh graph
2790 soughtPending = TRUE;
2791 SendToICS(ics_prefix);
2792 SendToICS("sought\n"); // should this be "sought all"?
2795 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2796 // press miss or release hit 'pop down' seek graph
2797 seekGraphUp = FALSE;
2798 DrawPosition(TRUE, NULL);
2804 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2806 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2807 #define STARTED_NONE 0
2808 #define STARTED_MOVES 1
2809 #define STARTED_BOARD 2
2810 #define STARTED_OBSERVE 3
2811 #define STARTED_HOLDINGS 4
2812 #define STARTED_CHATTER 5
2813 #define STARTED_COMMENT 6
2814 #define STARTED_MOVES_NOHIDE 7
2816 static int started = STARTED_NONE;
2817 static char parse[20000];
2818 static int parse_pos = 0;
2819 static char buf[BUF_SIZE + 1];
2820 static int firstTime = TRUE, intfSet = FALSE;
2821 static ColorClass prevColor = ColorNormal;
2822 static int savingComment = FALSE;
2823 static int cmatch = 0; // continuation sequence match
2830 int backup; /* [DM] For zippy color lines */
2832 char talker[MSG_SIZ]; // [HGM] chat
2833 int channel, collective=0;
2835 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2837 if (appData.debugMode) {
2839 fprintf(debugFP, "<ICS: ");
2840 show_bytes(debugFP, data, count);
2841 fprintf(debugFP, "\n");
2845 if (appData.debugMode) { int f = forwardMostMove;
2846 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2847 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2848 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2851 /* If last read ended with a partial line that we couldn't parse,
2852 prepend it to the new read and try again. */
2853 if (leftover_len > 0) {
2854 for (i=0; i<leftover_len; i++)
2855 buf[i] = buf[leftover_start + i];
2858 /* copy new characters into the buffer */
2859 bp = buf + leftover_len;
2860 buf_len=leftover_len;
2861 for (i=0; i<count; i++)
2864 if (data[i] == '\r')
2867 // join lines split by ICS?
2868 if (!appData.noJoin)
2871 Joining just consists of finding matches against the
2872 continuation sequence, and discarding that sequence
2873 if found instead of copying it. So, until a match
2874 fails, there's nothing to do since it might be the
2875 complete sequence, and thus, something we don't want
2878 if (data[i] == cont_seq[cmatch])
2881 if (cmatch == strlen(cont_seq))
2883 cmatch = 0; // complete match. just reset the counter
2886 it's possible for the ICS to not include the space
2887 at the end of the last word, making our [correct]
2888 join operation fuse two separate words. the server
2889 does this when the space occurs at the width setting.
2891 if (!buf_len || buf[buf_len-1] != ' ')
2902 match failed, so we have to copy what matched before
2903 falling through and copying this character. In reality,
2904 this will only ever be just the newline character, but
2905 it doesn't hurt to be precise.
2907 strncpy(bp, cont_seq, cmatch);
2919 buf[buf_len] = NULLCHAR;
2920 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2925 while (i < buf_len) {
2926 /* Deal with part of the TELNET option negotiation
2927 protocol. We refuse to do anything beyond the
2928 defaults, except that we allow the WILL ECHO option,
2929 which ICS uses to turn off password echoing when we are
2930 directly connected to it. We reject this option
2931 if localLineEditing mode is on (always on in xboard)
2932 and we are talking to port 23, which might be a real
2933 telnet server that will try to keep WILL ECHO on permanently.
2935 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2936 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2937 unsigned char option;
2939 switch ((unsigned char) buf[++i]) {
2941 if (appData.debugMode)
2942 fprintf(debugFP, "\n<WILL ");
2943 switch (option = (unsigned char) buf[++i]) {
2945 if (appData.debugMode)
2946 fprintf(debugFP, "ECHO ");
2947 /* Reply only if this is a change, according
2948 to the protocol rules. */
2949 if (remoteEchoOption) break;
2950 if (appData.localLineEditing &&
2951 atoi(appData.icsPort) == TN_PORT) {
2952 TelnetRequest(TN_DONT, TN_ECHO);
2955 TelnetRequest(TN_DO, TN_ECHO);
2956 remoteEchoOption = TRUE;
2960 if (appData.debugMode)
2961 fprintf(debugFP, "%d ", option);
2962 /* Whatever this is, we don't want it. */
2963 TelnetRequest(TN_DONT, option);
2968 if (appData.debugMode)
2969 fprintf(debugFP, "\n<WONT ");
2970 switch (option = (unsigned char) buf[++i]) {
2972 if (appData.debugMode)
2973 fprintf(debugFP, "ECHO ");
2974 /* Reply only if this is a change, according
2975 to the protocol rules. */
2976 if (!remoteEchoOption) break;
2978 TelnetRequest(TN_DONT, TN_ECHO);
2979 remoteEchoOption = FALSE;
2982 if (appData.debugMode)
2983 fprintf(debugFP, "%d ", (unsigned char) option);
2984 /* Whatever this is, it must already be turned
2985 off, because we never agree to turn on
2986 anything non-default, so according to the
2987 protocol rules, we don't reply. */
2992 if (appData.debugMode)
2993 fprintf(debugFP, "\n<DO ");
2994 switch (option = (unsigned char) buf[++i]) {
2996 /* Whatever this is, we refuse to do it. */
2997 if (appData.debugMode)
2998 fprintf(debugFP, "%d ", option);
2999 TelnetRequest(TN_WONT, option);
3004 if (appData.debugMode)
3005 fprintf(debugFP, "\n<DONT ");
3006 switch (option = (unsigned char) buf[++i]) {
3008 if (appData.debugMode)
3009 fprintf(debugFP, "%d ", option);
3010 /* Whatever this is, we are already not doing
3011 it, because we never agree to do anything
3012 non-default, so according to the protocol
3013 rules, we don't reply. */
3018 if (appData.debugMode)
3019 fprintf(debugFP, "\n<IAC ");
3020 /* Doubled IAC; pass it through */
3024 if (appData.debugMode)
3025 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3026 /* Drop all other telnet commands on the floor */
3029 if (oldi > next_out)
3030 SendToPlayer(&buf[next_out], oldi - next_out);
3036 /* OK, this at least will *usually* work */
3037 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3041 if (loggedOn && !intfSet) {
3042 if (ics_type == ICS_ICC) {
3043 snprintf(str, MSG_SIZ,
3044 "/set-quietly interface %s\n/set-quietly style 12\n",
3046 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3047 strcat(str, "/set-2 51 1\n/set seek 1\n");
3048 } else if (ics_type == ICS_CHESSNET) {
3049 snprintf(str, MSG_SIZ, "/style 12\n");
3051 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3052 strcat(str, programVersion);
3053 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3054 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3055 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3057 strcat(str, "$iset nohighlight 1\n");
3059 strcat(str, "$iset lock 1\n$style 12\n");
3062 NotifyFrontendLogin();
3066 if (started == STARTED_COMMENT) {
3067 /* Accumulate characters in comment */
3068 parse[parse_pos++] = buf[i];
3069 if (buf[i] == '\n') {
3070 parse[parse_pos] = NULLCHAR;
3071 if(chattingPartner>=0) {
3073 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3074 OutputChatMessage(chattingPartner, mess);
3075 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3077 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3078 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3079 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3080 OutputChatMessage(p, mess);
3084 chattingPartner = -1;
3085 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3088 if(!suppressKibitz) // [HGM] kibitz
3089 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3090 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3091 int nrDigit = 0, nrAlph = 0, j;
3092 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3093 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3094 parse[parse_pos] = NULLCHAR;
3095 // try to be smart: if it does not look like search info, it should go to
3096 // ICS interaction window after all, not to engine-output window.
3097 for(j=0; j<parse_pos; j++) { // count letters and digits
3098 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3099 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3100 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3102 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3103 int depth=0; float score;
3104 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3105 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3106 pvInfoList[forwardMostMove-1].depth = depth;
3107 pvInfoList[forwardMostMove-1].score = 100*score;
3109 OutputKibitz(suppressKibitz, parse);
3112 if(gameMode == IcsObserving) // restore original ICS messages
3113 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3114 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3116 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3117 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3118 SendToPlayer(tmp, strlen(tmp));
3120 next_out = i+1; // [HGM] suppress printing in ICS window
3122 started = STARTED_NONE;
3124 /* Don't match patterns against characters in comment */
3129 if (started == STARTED_CHATTER) {
3130 if (buf[i] != '\n') {
3131 /* Don't match patterns against characters in chatter */
3135 started = STARTED_NONE;
3136 if(suppressKibitz) next_out = i+1;
3139 /* Kludge to deal with rcmd protocol */
3140 if (firstTime && looking_at(buf, &i, "\001*")) {
3141 DisplayFatalError(&buf[1], 0, 1);
3147 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3150 if (appData.debugMode)
3151 fprintf(debugFP, "ics_type %d\n", ics_type);
3154 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3155 ics_type = ICS_FICS;
3157 if (appData.debugMode)
3158 fprintf(debugFP, "ics_type %d\n", ics_type);
3161 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3162 ics_type = ICS_CHESSNET;
3164 if (appData.debugMode)
3165 fprintf(debugFP, "ics_type %d\n", ics_type);
3170 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3171 looking_at(buf, &i, "Logging you in as \"*\"") ||
3172 looking_at(buf, &i, "will be \"*\""))) {
3173 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3177 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3179 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3180 DisplayIcsInteractionTitle(buf);
3181 have_set_title = TRUE;
3184 /* skip finger notes */
3185 if (started == STARTED_NONE &&
3186 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3187 (buf[i] == '1' && buf[i+1] == '0')) &&
3188 buf[i+2] == ':' && buf[i+3] == ' ') {
3189 started = STARTED_CHATTER;
3195 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3196 if(appData.seekGraph) {
3197 if(soughtPending && MatchSoughtLine(buf+i)) {
3198 i = strstr(buf+i, "rated") - buf;
3199 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3200 next_out = leftover_start = i;
3201 started = STARTED_CHATTER;
3202 suppressKibitz = TRUE;
3205 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3206 && looking_at(buf, &i, "* ads displayed")) {
3207 soughtPending = FALSE;
3212 if(appData.autoRefresh) {
3213 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3214 int s = (ics_type == ICS_ICC); // ICC format differs
3216 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3217 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3218 looking_at(buf, &i, "*% "); // eat prompt
3219 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3220 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3221 next_out = i; // suppress
3224 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3225 char *p = star_match[0];
3227 if(seekGraphUp) RemoveSeekAd(atoi(p));
3228 while(*p && *p++ != ' '); // next
3230 looking_at(buf, &i, "*% "); // eat prompt
3231 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3238 /* skip formula vars */
3239 if (started == STARTED_NONE &&
3240 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3241 started = STARTED_CHATTER;
3246 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3247 if (appData.autoKibitz && started == STARTED_NONE &&
3248 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3249 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3250 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3251 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3252 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3253 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3254 suppressKibitz = TRUE;
3255 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3257 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3258 && (gameMode == IcsPlayingWhite)) ||
3259 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3260 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3261 started = STARTED_CHATTER; // own kibitz we simply discard
3263 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3264 parse_pos = 0; parse[0] = NULLCHAR;
3265 savingComment = TRUE;
3266 suppressKibitz = gameMode != IcsObserving ? 2 :
3267 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3271 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3272 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3273 && atoi(star_match[0])) {
3274 // suppress the acknowledgements of our own autoKibitz
3276 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3277 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3278 SendToPlayer(star_match[0], strlen(star_match[0]));
3279 if(looking_at(buf, &i, "*% ")) // eat prompt
3280 suppressKibitz = FALSE;
3284 } // [HGM] kibitz: end of patch
3286 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3288 // [HGM] chat: intercept tells by users for which we have an open chat window
3290 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3291 looking_at(buf, &i, "* whispers:") ||
3292 looking_at(buf, &i, "* kibitzes:") ||
3293 looking_at(buf, &i, "* shouts:") ||
3294 looking_at(buf, &i, "* c-shouts:") ||
3295 looking_at(buf, &i, "--> * ") ||
3296 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3297 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3298 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3299 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3301 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3302 chattingPartner = -1; collective = 0;
3304 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3305 for(p=0; p<MAX_CHAT; p++) {
3307 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3308 talker[0] = '['; strcat(talker, "] ");
3309 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3310 chattingPartner = p; break;
3313 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3314 for(p=0; p<MAX_CHAT; p++) {
3316 if(!strcmp("kibitzes", chatPartner[p])) {
3317 talker[0] = '['; strcat(talker, "] ");
3318 chattingPartner = p; break;
3321 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3322 for(p=0; p<MAX_CHAT; p++) {
3324 if(!strcmp("whispers", chatPartner[p])) {
3325 talker[0] = '['; strcat(talker, "] ");
3326 chattingPartner = p; break;
3329 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3330 if(buf[i-8] == '-' && buf[i-3] == 't')
3331 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3333 if(!strcmp("c-shouts", chatPartner[p])) {
3334 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3335 chattingPartner = p; break;
3338 if(chattingPartner < 0)
3339 for(p=0; p<MAX_CHAT; p++) {
3341 if(!strcmp("shouts", chatPartner[p])) {
3342 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3343 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3344 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3345 chattingPartner = p; break;
3349 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3350 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3352 Colorize(ColorTell, FALSE);
3353 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3355 chattingPartner = p; break;
3357 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3358 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3359 started = STARTED_COMMENT;
3360 parse_pos = 0; parse[0] = NULLCHAR;
3361 savingComment = 3 + chattingPartner; // counts as TRUE
3362 if(collective == 3) i = oldi; else {
3363 suppressKibitz = TRUE;
3364 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3365 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3369 } // [HGM] chat: end of patch
3372 if (appData.zippyTalk || appData.zippyPlay) {
3373 /* [DM] Backup address for color zippy lines */
3375 if (loggedOn == TRUE)
3376 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3377 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3379 } // [DM] 'else { ' deleted
3381 /* Regular tells and says */
3382 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3383 looking_at(buf, &i, "* (your partner) tells you: ") ||
3384 looking_at(buf, &i, "* says: ") ||
3385 /* Don't color "message" or "messages" output */
3386 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3387 looking_at(buf, &i, "*. * at *:*: ") ||
3388 looking_at(buf, &i, "--* (*:*): ") ||
3389 /* Message notifications (same color as tells) */
3390 looking_at(buf, &i, "* has left a message ") ||
3391 looking_at(buf, &i, "* just sent you a message:\n") ||
3392 /* Whispers and kibitzes */
3393 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3394 looking_at(buf, &i, "* kibitzes: ") ||
3396 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3398 if (tkind == 1 && strchr(star_match[0], ':')) {
3399 /* Avoid "tells you:" spoofs in channels */
3402 if (star_match[0][0] == NULLCHAR ||
3403 strchr(star_match[0], ' ') ||
3404 (tkind == 3 && strchr(star_match[1], ' '))) {
3405 /* Reject bogus matches */
3408 if (appData.colorize) {
3409 if (oldi > next_out) {
3410 SendToPlayer(&buf[next_out], oldi - next_out);
3415 Colorize(ColorTell, FALSE);
3416 curColor = ColorTell;
3419 Colorize(ColorKibitz, FALSE);
3420 curColor = ColorKibitz;
3423 p = strrchr(star_match[1], '(');
3430 Colorize(ColorChannel1, FALSE);
3431 curColor = ColorChannel1;
3433 Colorize(ColorChannel, FALSE);
3434 curColor = ColorChannel;
3438 curColor = ColorNormal;
3442 if (started == STARTED_NONE && appData.autoComment &&
3443 (gameMode == IcsObserving ||
3444 gameMode == IcsPlayingWhite ||
3445 gameMode == IcsPlayingBlack)) {
3446 parse_pos = i - oldi;
3447 memcpy(parse, &buf[oldi], parse_pos);
3448 parse[parse_pos] = NULLCHAR;
3449 started = STARTED_COMMENT;
3450 savingComment = TRUE;
3451 } else if(collective != 3) {
3452 started = STARTED_CHATTER;
3453 savingComment = FALSE;
3460 if (looking_at(buf, &i, "* s-shouts: ") ||
3461 looking_at(buf, &i, "* c-shouts: ")) {
3462 if (appData.colorize) {
3463 if (oldi > next_out) {
3464 SendToPlayer(&buf[next_out], oldi - next_out);
3467 Colorize(ColorSShout, FALSE);
3468 curColor = ColorSShout;
3471 started = STARTED_CHATTER;
3475 if (looking_at(buf, &i, "--->")) {
3480 if (looking_at(buf, &i, "* shouts: ") ||
3481 looking_at(buf, &i, "--> ")) {
3482 if (appData.colorize) {
3483 if (oldi > next_out) {
3484 SendToPlayer(&buf[next_out], oldi - next_out);
3487 Colorize(ColorShout, FALSE);
3488 curColor = ColorShout;
3491 started = STARTED_CHATTER;
3495 if (looking_at( buf, &i, "Challenge:")) {
3496 if (appData.colorize) {
3497 if (oldi > next_out) {
3498 SendToPlayer(&buf[next_out], oldi - next_out);
3501 Colorize(ColorChallenge, FALSE);
3502 curColor = ColorChallenge;
3508 if (looking_at(buf, &i, "* offers you") ||
3509 looking_at(buf, &i, "* offers to be") ||
3510 looking_at(buf, &i, "* would like to") ||
3511 looking_at(buf, &i, "* requests to") ||
3512 looking_at(buf, &i, "Your opponent offers") ||
3513 looking_at(buf, &i, "Your opponent requests")) {
3515 if (appData.colorize) {
3516 if (oldi > next_out) {
3517 SendToPlayer(&buf[next_out], oldi - next_out);
3520 Colorize(ColorRequest, FALSE);
3521 curColor = ColorRequest;
3526 if (looking_at(buf, &i, "* (*) seeking")) {
3527 if (appData.colorize) {
3528 if (oldi > next_out) {
3529 SendToPlayer(&buf[next_out], oldi - next_out);
3532 Colorize(ColorSeek, FALSE);
3533 curColor = ColorSeek;
3538 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3540 if (looking_at(buf, &i, "\\ ")) {
3541 if (prevColor != ColorNormal) {
3542 if (oldi > next_out) {
3543 SendToPlayer(&buf[next_out], oldi - next_out);
3546 Colorize(prevColor, TRUE);
3547 curColor = prevColor;
3549 if (savingComment) {
3550 parse_pos = i - oldi;
3551 memcpy(parse, &buf[oldi], parse_pos);
3552 parse[parse_pos] = NULLCHAR;
3553 started = STARTED_COMMENT;
3554 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3555 chattingPartner = savingComment - 3; // kludge to remember the box
3557 started = STARTED_CHATTER;
3562 if (looking_at(buf, &i, "Black Strength :") ||
3563 looking_at(buf, &i, "<<< style 10 board >>>") ||
3564 looking_at(buf, &i, "<10>") ||
3565 looking_at(buf, &i, "#@#")) {
3566 /* Wrong board style */
3568 SendToICS(ics_prefix);
3569 SendToICS("set style 12\n");
3570 SendToICS(ics_prefix);
3571 SendToICS("refresh\n");
3575 if (looking_at(buf, &i, "login:")) {
3576 if (!have_sent_ICS_logon) {
3578 have_sent_ICS_logon = 1;
3579 else // no init script was found
3580 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3581 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3582 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3587 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3588 (looking_at(buf, &i, "\n<12> ") ||
3589 looking_at(buf, &i, "<12> "))) {
3591 if (oldi > next_out) {
3592 SendToPlayer(&buf[next_out], oldi - next_out);
3595 started = STARTED_BOARD;
3600 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3601 looking_at(buf, &i, "<b1> ")) {
3602 if (oldi > next_out) {
3603 SendToPlayer(&buf[next_out], oldi - next_out);
3606 started = STARTED_HOLDINGS;
3611 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3613 /* Header for a move list -- first line */
3615 switch (ics_getting_history) {
3619 case BeginningOfGame:
3620 /* User typed "moves" or "oldmoves" while we
3621 were idle. Pretend we asked for these
3622 moves and soak them up so user can step
3623 through them and/or save them.
3626 gameMode = IcsObserving;
3629 ics_getting_history = H_GOT_UNREQ_HEADER;
3631 case EditGame: /*?*/
3632 case EditPosition: /*?*/
3633 /* Should above feature work in these modes too? */
3634 /* For now it doesn't */
3635 ics_getting_history = H_GOT_UNWANTED_HEADER;
3638 ics_getting_history = H_GOT_UNWANTED_HEADER;
3643 /* Is this the right one? */
3644 if (gameInfo.white && gameInfo.black &&
3645 strcmp(gameInfo.white, star_match[0]) == 0 &&
3646 strcmp(gameInfo.black, star_match[2]) == 0) {
3648 ics_getting_history = H_GOT_REQ_HEADER;
3651 case H_GOT_REQ_HEADER:
3652 case H_GOT_UNREQ_HEADER:
3653 case H_GOT_UNWANTED_HEADER:
3654 case H_GETTING_MOVES:
3655 /* Should not happen */
3656 DisplayError(_("Error gathering move list: two headers"), 0);
3657 ics_getting_history = H_FALSE;
3661 /* Save player ratings into gameInfo if needed */
3662 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3663 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3664 (gameInfo.whiteRating == -1 ||
3665 gameInfo.blackRating == -1)) {
3667 gameInfo.whiteRating = string_to_rating(star_match[1]);
3668 gameInfo.blackRating = string_to_rating(star_match[3]);
3669 if (appData.debugMode)
3670 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3671 gameInfo.whiteRating, gameInfo.blackRating);
3676 if (looking_at(buf, &i,
3677 "* * match, initial time: * minute*, increment: * second")) {
3678 /* Header for a move list -- second line */
3679 /* Initial board will follow if this is a wild game */
3680 if (gameInfo.event != NULL) free(gameInfo.event);
3681 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3682 gameInfo.event = StrSave(str);
3683 /* [HGM] we switched variant. Translate boards if needed. */
3684 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3688 if (looking_at(buf, &i, "Move ")) {
3689 /* Beginning of a move list */
3690 switch (ics_getting_history) {
3692 /* Normally should not happen */
3693 /* Maybe user hit reset while we were parsing */
3696 /* Happens if we are ignoring a move list that is not
3697 * the one we just requested. Common if the user
3698 * tries to observe two games without turning off
3701 case H_GETTING_MOVES:
3702 /* Should not happen */
3703 DisplayError(_("Error gathering move list: nested"), 0);
3704 ics_getting_history = H_FALSE;
3706 case H_GOT_REQ_HEADER:
3707 ics_getting_history = H_GETTING_MOVES;
3708 started = STARTED_MOVES;
3710 if (oldi > next_out) {
3711 SendToPlayer(&buf[next_out], oldi - next_out);
3714 case H_GOT_UNREQ_HEADER:
3715 ics_getting_history = H_GETTING_MOVES;
3716 started = STARTED_MOVES_NOHIDE;
3719 case H_GOT_UNWANTED_HEADER:
3720 ics_getting_history = H_FALSE;
3726 if (looking_at(buf, &i, "% ") ||
3727 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3728 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3729 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3730 soughtPending = FALSE;
3734 if(suppressKibitz) next_out = i;
3735 savingComment = FALSE;
3739 case STARTED_MOVES_NOHIDE:
3740 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3741 parse[parse_pos + i - oldi] = NULLCHAR;
3742 ParseGameHistory(parse);
3744 if (appData.zippyPlay && first.initDone) {
3745 FeedMovesToProgram(&first, forwardMostMove);
3746 if (gameMode == IcsPlayingWhite) {
3747 if (WhiteOnMove(forwardMostMove)) {
3748 if (first.sendTime) {
3749 if (first.useColors) {
3750 SendToProgram("black\n", &first);
3752 SendTimeRemaining(&first, TRUE);
3754 if (first.useColors) {
3755 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3757 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3758 first.maybeThinking = TRUE;
3760 if (first.usePlayother) {
3761 if (first.sendTime) {
3762 SendTimeRemaining(&first, TRUE);
3764 SendToProgram("playother\n", &first);
3770 } else if (gameMode == IcsPlayingBlack) {
3771 if (!WhiteOnMove(forwardMostMove)) {
3772 if (first.sendTime) {
3773 if (first.useColors) {
3774 SendToProgram("white\n", &first);
3776 SendTimeRemaining(&first, FALSE);
3778 if (first.useColors) {
3779 SendToProgram("black\n", &first);
3781 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3782 first.maybeThinking = TRUE;
3784 if (first.usePlayother) {
3785 if (first.sendTime) {
3786 SendTimeRemaining(&first, FALSE);
3788 SendToProgram("playother\n", &first);
3797 if (gameMode == IcsObserving && ics_gamenum == -1) {
3798 /* Moves came from oldmoves or moves command
3799 while we weren't doing anything else.
3801 currentMove = forwardMostMove;
3802 ClearHighlights();/*!!could figure this out*/
3803 flipView = appData.flipView;
3804 DrawPosition(TRUE, boards[currentMove]);
3805 DisplayBothClocks();
3806 snprintf(str, MSG_SIZ, "%s %s %s",
3807 gameInfo.white, _("vs."), gameInfo.black);
3811 /* Moves were history of an active game */
3812 if (gameInfo.resultDetails != NULL) {
3813 free(gameInfo.resultDetails);
3814 gameInfo.resultDetails = NULL;
3817 HistorySet(parseList, backwardMostMove,
3818 forwardMostMove, currentMove-1);
3819 DisplayMove(currentMove - 1);
3820 if (started == STARTED_MOVES) next_out = i;
3821 started = STARTED_NONE;
3822 ics_getting_history = H_FALSE;
3825 case STARTED_OBSERVE:
3826 started = STARTED_NONE;
3827 SendToICS(ics_prefix);
3828 SendToICS("refresh\n");
3834 if(bookHit) { // [HGM] book: simulate book reply
3835 static char bookMove[MSG_SIZ]; // a bit generous?
3837 programStats.nodes = programStats.depth = programStats.time =
3838 programStats.score = programStats.got_only_move = 0;
3839 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3841 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3842 strcat(bookMove, bookHit);
3843 HandleMachineMove(bookMove, &first);
3848 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3849 started == STARTED_HOLDINGS ||
3850 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3851 /* Accumulate characters in move list or board */
3852 parse[parse_pos++] = buf[i];
3855 /* Start of game messages. Mostly we detect start of game
3856 when the first board image arrives. On some versions
3857 of the ICS, though, we need to do a "refresh" after starting
3858 to observe in order to get the current board right away. */
3859 if (looking_at(buf, &i, "Adding game * to observation list")) {
3860 started = STARTED_OBSERVE;
3864 /* Handle auto-observe */
3865 if (appData.autoObserve &&
3866 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3867 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3869 /* Choose the player that was highlighted, if any. */
3870 if (star_match[0][0] == '\033' ||
3871 star_match[1][0] != '\033') {
3872 player = star_match[0];
3874 player = star_match[2];
3876 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3877 ics_prefix, StripHighlightAndTitle(player));
3880 /* Save ratings from notify string */
3881 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3882 player1Rating = string_to_rating(star_match[1]);
3883 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3884 player2Rating = string_to_rating(star_match[3]);
3886 if (appData.debugMode)
3888 "Ratings from 'Game notification:' %s %d, %s %d\n",
3889 player1Name, player1Rating,
3890 player2Name, player2Rating);
3895 /* Deal with automatic examine mode after a game,
3896 and with IcsObserving -> IcsExamining transition */
3897 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3898 looking_at(buf, &i, "has made you an examiner of game *")) {
3900 int gamenum = atoi(star_match[0]);
3901 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3902 gamenum == ics_gamenum) {
3903 /* We were already playing or observing this game;
3904 no need to refetch history */
3905 gameMode = IcsExamining;
3907 pauseExamForwardMostMove = forwardMostMove;
3908 } else if (currentMove < forwardMostMove) {
3909 ForwardInner(forwardMostMove);
3912 /* I don't think this case really can happen */
3913 SendToICS(ics_prefix);
3914 SendToICS("refresh\n");
3919 /* Error messages */
3920 // if (ics_user_moved) {
3921 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3922 if (looking_at(buf, &i, "Illegal move") ||
3923 looking_at(buf, &i, "Not a legal move") ||
3924 looking_at(buf, &i, "Your king is in check") ||
3925 looking_at(buf, &i, "It isn't your turn") ||
3926 looking_at(buf, &i, "It is not your move")) {
3928 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3929 currentMove = forwardMostMove-1;
3930 DisplayMove(currentMove - 1); /* before DMError */
3931 DrawPosition(FALSE, boards[currentMove]);
3932 SwitchClocks(forwardMostMove-1); // [HGM] race
3933 DisplayBothClocks();
3935 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3941 if (looking_at(buf, &i, "still have time") ||
3942 looking_at(buf, &i, "not out of time") ||
3943 looking_at(buf, &i, "either player is out of time") ||
3944 looking_at(buf, &i, "has timeseal; checking")) {
3945 /* We must have called his flag a little too soon */
3946 whiteFlag = blackFlag = FALSE;
3950 if (looking_at(buf, &i, "added * seconds to") ||
3951 looking_at(buf, &i, "seconds were added to")) {
3952 /* Update the clocks */
3953 SendToICS(ics_prefix);
3954 SendToICS("refresh\n");
3958 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3959 ics_clock_paused = TRUE;
3964 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3965 ics_clock_paused = FALSE;
3970 /* Grab player ratings from the Creating: message.
3971 Note we have to check for the special case when
3972 the ICS inserts things like [white] or [black]. */
3973 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3974 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3976 0 player 1 name (not necessarily white)
3978 2 empty, white, or black (IGNORED)
3979 3 player 2 name (not necessarily black)
3982 The names/ratings are sorted out when the game
3983 actually starts (below).
3985 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3986 player1Rating = string_to_rating(star_match[1]);
3987 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3988 player2Rating = string_to_rating(star_match[4]);
3990 if (appData.debugMode)
3992 "Ratings from 'Creating:' %s %d, %s %d\n",
3993 player1Name, player1Rating,
3994 player2Name, player2Rating);
3999 /* Improved generic start/end-of-game messages */
4000 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4001 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4002 /* If tkind == 0: */
4003 /* star_match[0] is the game number */
4004 /* [1] is the white player's name */
4005 /* [2] is the black player's name */
4006 /* For end-of-game: */
4007 /* [3] is the reason for the game end */
4008 /* [4] is a PGN end game-token, preceded by " " */
4009 /* For start-of-game: */
4010 /* [3] begins with "Creating" or "Continuing" */
4011 /* [4] is " *" or empty (don't care). */
4012 int gamenum = atoi(star_match[0]);
4013 char *whitename, *blackname, *why, *endtoken;
4014 ChessMove endtype = EndOfFile;
4017 whitename = star_match[1];
4018 blackname = star_match[2];
4019 why = star_match[3];
4020 endtoken = star_match[4];
4022 whitename = star_match[1];
4023 blackname = star_match[3];
4024 why = star_match[5];
4025 endtoken = star_match[6];
4028 /* Game start messages */
4029 if (strncmp(why, "Creating ", 9) == 0 ||
4030 strncmp(why, "Continuing ", 11) == 0) {
4031 gs_gamenum = gamenum;
4032 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4033 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4034 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4036 if (appData.zippyPlay) {
4037 ZippyGameStart(whitename, blackname);
4040 partnerBoardValid = FALSE; // [HGM] bughouse
4044 /* Game end messages */
4045 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4046 ics_gamenum != gamenum) {
4049 while (endtoken[0] == ' ') endtoken++;
4050 switch (endtoken[0]) {
4053 endtype = GameUnfinished;
4056 endtype = BlackWins;
4059 if (endtoken[1] == '/')
4060 endtype = GameIsDrawn;
4062 endtype = WhiteWins;
4065 GameEnds(endtype, why, GE_ICS);
4067 if (appData.zippyPlay && first.initDone) {
4068 ZippyGameEnd(endtype, why);
4069 if (first.pr == NoProc) {
4070 /* Start the next process early so that we'll
4071 be ready for the next challenge */
4072 StartChessProgram(&first);
4074 /* Send "new" early, in case this command takes
4075 a long time to finish, so that we'll be ready
4076 for the next challenge. */
4077 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4081 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4085 if (looking_at(buf, &i, "Removing game * from observation") ||
4086 looking_at(buf, &i, "no longer observing game *") ||
4087 looking_at(buf, &i, "Game * (*) has no examiners")) {
4088 if (gameMode == IcsObserving &&
4089 atoi(star_match[0]) == ics_gamenum)
4091 /* icsEngineAnalyze */
4092 if (appData.icsEngineAnalyze) {
4099 ics_user_moved = FALSE;
4104 if (looking_at(buf, &i, "no longer examining game *")) {
4105 if (gameMode == IcsExamining &&
4106 atoi(star_match[0]) == ics_gamenum)
4110 ics_user_moved = FALSE;
4115 /* Advance leftover_start past any newlines we find,
4116 so only partial lines can get reparsed */
4117 if (looking_at(buf, &i, "\n")) {
4118 prevColor = curColor;
4119 if (curColor != ColorNormal) {
4120 if (oldi > next_out) {
4121 SendToPlayer(&buf[next_out], oldi - next_out);
4124 Colorize(ColorNormal, FALSE);
4125 curColor = ColorNormal;
4127 if (started == STARTED_BOARD) {
4128 started = STARTED_NONE;
4129 parse[parse_pos] = NULLCHAR;
4130 ParseBoard12(parse);
4133 /* Send premove here */
4134 if (appData.premove) {
4136 if (currentMove == 0 &&
4137 gameMode == IcsPlayingWhite &&
4138 appData.premoveWhite) {
4139 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4140 if (appData.debugMode)
4141 fprintf(debugFP, "Sending premove:\n");
4143 } else if (currentMove == 1 &&
4144 gameMode == IcsPlayingBlack &&
4145 appData.premoveBlack) {
4146 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4147 if (appData.debugMode)
4148 fprintf(debugFP, "Sending premove:\n");
4150 } else if (gotPremove) {
4152 ClearPremoveHighlights();
4153 if (appData.debugMode)
4154 fprintf(debugFP, "Sending premove:\n");
4155 UserMoveEvent(premoveFromX, premoveFromY,
4156 premoveToX, premoveToY,
4161 /* Usually suppress following prompt */
4162 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4163 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4164 if (looking_at(buf, &i, "*% ")) {
4165 savingComment = FALSE;
4170 } else if (started == STARTED_HOLDINGS) {
4172 char new_piece[MSG_SIZ];
4173 started = STARTED_NONE;
4174 parse[parse_pos] = NULLCHAR;
4175 if (appData.debugMode)
4176 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4177 parse, currentMove);
4178 if (sscanf(parse, " game %d", &gamenum) == 1) {
4179 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4180 if (gameInfo.variant == VariantNormal) {
4181 /* [HGM] We seem to switch variant during a game!
4182 * Presumably no holdings were displayed, so we have
4183 * to move the position two files to the right to
4184 * create room for them!
4186 VariantClass newVariant;
4187 switch(gameInfo.boardWidth) { // base guess on board width
4188 case 9: newVariant = VariantShogi; break;
4189 case 10: newVariant = VariantGreat; break;
4190 default: newVariant = VariantCrazyhouse; break;
4192 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4193 /* Get a move list just to see the header, which
4194 will tell us whether this is really bug or zh */
4195 if (ics_getting_history == H_FALSE) {
4196 ics_getting_history = H_REQUESTED;
4197 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4201 new_piece[0] = NULLCHAR;
4202 sscanf(parse, "game %d white [%s black [%s <- %s",
4203 &gamenum, white_holding, black_holding,
4205 white_holding[strlen(white_holding)-1] = NULLCHAR;
4206 black_holding[strlen(black_holding)-1] = NULLCHAR;
4207 /* [HGM] copy holdings to board holdings area */
4208 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4209 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4210 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4212 if (appData.zippyPlay && first.initDone) {
4213 ZippyHoldings(white_holding, black_holding,
4217 if (tinyLayout || smallLayout) {
4218 char wh[16], bh[16];
4219 PackHolding(wh, white_holding);
4220 PackHolding(bh, black_holding);
4221 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4222 gameInfo.white, gameInfo.black);
4224 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4225 gameInfo.white, white_holding, _("vs."),
4226 gameInfo.black, black_holding);
4228 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4229 DrawPosition(FALSE, boards[currentMove]);
4231 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4232 sscanf(parse, "game %d white [%s black [%s <- %s",
4233 &gamenum, white_holding, black_holding,
4235 white_holding[strlen(white_holding)-1] = NULLCHAR;
4236 black_holding[strlen(black_holding)-1] = NULLCHAR;
4237 /* [HGM] copy holdings to partner-board holdings area */
4238 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4239 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4240 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4241 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4242 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4245 /* Suppress following prompt */
4246 if (looking_at(buf, &i, "*% ")) {
4247 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4248 savingComment = FALSE;
4256 i++; /* skip unparsed character and loop back */
4259 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4260 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4261 // SendToPlayer(&buf[next_out], i - next_out);
4262 started != STARTED_HOLDINGS && leftover_start > next_out) {
4263 SendToPlayer(&buf[next_out], leftover_start - next_out);
4267 leftover_len = buf_len - leftover_start;
4268 /* if buffer ends with something we couldn't parse,
4269 reparse it after appending the next read */
4271 } else if (count == 0) {
4272 RemoveInputSource(isr);
4273 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4275 DisplayFatalError(_("Error reading from ICS"), error, 1);
4280 /* Board style 12 looks like this:
4282 <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
4284 * The "<12> " is stripped before it gets to this routine. The two
4285 * trailing 0's (flip state and clock ticking) are later addition, and
4286 * some chess servers may not have them, or may have only the first.
4287 * Additional trailing fields may be added in the future.
4290 #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"
4292 #define RELATION_OBSERVING_PLAYED 0
4293 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4294 #define RELATION_PLAYING_MYMOVE 1
4295 #define RELATION_PLAYING_NOTMYMOVE -1
4296 #define RELATION_EXAMINING 2
4297 #define RELATION_ISOLATED_BOARD -3
4298 #define RELATION_STARTING_POSITION -4 /* FICS only */
4301 ParseBoard12 (char *string)
4305 char *bookHit = NULL; // [HGM] book
4307 GameMode newGameMode;
4308 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4309 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4310 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4311 char to_play, board_chars[200];
4312 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4313 char black[32], white[32];
4315 int prevMove = currentMove;
4318 int fromX, fromY, toX, toY;
4320 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4321 Boolean weird = FALSE, reqFlag = FALSE;
4323 fromX = fromY = toX = toY = -1;
4327 if (appData.debugMode)
4328 fprintf(debugFP, "Parsing board: %s\n", string);
4330 move_str[0] = NULLCHAR;
4331 elapsed_time[0] = NULLCHAR;
4332 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4334 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4335 if(string[i] == ' ') { ranks++; files = 0; }
4337 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4340 for(j = 0; j <i; j++) board_chars[j] = string[j];
4341 board_chars[i] = '\0';
4344 n = sscanf(string, PATTERN, &to_play, &double_push,
4345 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4346 &gamenum, white, black, &relation, &basetime, &increment,
4347 &white_stren, &black_stren, &white_time, &black_time,
4348 &moveNum, str, elapsed_time, move_str, &ics_flip,
4352 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4353 DisplayError(str, 0);
4357 /* Convert the move number to internal form */
4358 moveNum = (moveNum - 1) * 2;
4359 if (to_play == 'B') moveNum++;
4360 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4361 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4367 case RELATION_OBSERVING_PLAYED:
4368 case RELATION_OBSERVING_STATIC:
4369 if (gamenum == -1) {
4370 /* Old ICC buglet */
4371 relation = RELATION_OBSERVING_STATIC;
4373 newGameMode = IcsObserving;
4375 case RELATION_PLAYING_MYMOVE:
4376 case RELATION_PLAYING_NOTMYMOVE:
4378 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4379 IcsPlayingWhite : IcsPlayingBlack;
4380 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4382 case RELATION_EXAMINING:
4383 newGameMode = IcsExamining;
4385 case RELATION_ISOLATED_BOARD:
4387 /* Just display this board. If user was doing something else,
4388 we will forget about it until the next board comes. */
4389 newGameMode = IcsIdle;
4391 case RELATION_STARTING_POSITION:
4392 newGameMode = gameMode;
4396 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4397 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4398 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4399 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4400 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4401 static int lastBgGame = -1;
4403 for (k = 0; k < ranks; k++) {
4404 for (j = 0; j < files; j++)
4405 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4406 if(gameInfo.holdingsWidth > 1) {
4407 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4408 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4411 CopyBoard(partnerBoard, board);
4412 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4413 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4414 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4415 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4416 if(toSqr = strchr(str, '-')) {
4417 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4418 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4419 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4420 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4421 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4422 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4424 DisplayWhiteClock(white_time*fac, to_play == 'W');
4425 DisplayBlackClock(black_time*fac, to_play != 'W');
4426 activePartner = to_play;
4427 if(gamenum != lastBgGame) {
4429 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4432 lastBgGame = gamenum;
4433 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4434 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4435 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4436 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4437 if(!twoBoards) DisplayMessage(partnerStatus, "");
4438 partnerBoardValid = TRUE;
4442 if(appData.dualBoard && appData.bgObserve) {
4443 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4444 SendToICS(ics_prefix), SendToICS("pobserve\n");
4445 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4447 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4452 /* Modify behavior for initial board display on move listing
4455 switch (ics_getting_history) {
4459 case H_GOT_REQ_HEADER:
4460 case H_GOT_UNREQ_HEADER:
4461 /* This is the initial position of the current game */
4462 gamenum = ics_gamenum;
4463 moveNum = 0; /* old ICS bug workaround */
4464 if (to_play == 'B') {
4465 startedFromSetupPosition = TRUE;
4466 blackPlaysFirst = TRUE;
4468 if (forwardMostMove == 0) forwardMostMove = 1;
4469 if (backwardMostMove == 0) backwardMostMove = 1;
4470 if (currentMove == 0) currentMove = 1;
4472 newGameMode = gameMode;
4473 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4475 case H_GOT_UNWANTED_HEADER:
4476 /* This is an initial board that we don't want */
4478 case H_GETTING_MOVES:
4479 /* Should not happen */
4480 DisplayError(_("Error gathering move list: extra board"), 0);
4481 ics_getting_history = H_FALSE;
4485 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4486 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4487 weird && (int)gameInfo.variant < (int)VariantShogi) {
4488 /* [HGM] We seem to have switched variant unexpectedly
4489 * Try to guess new variant from board size
4491 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4492 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4493 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4494 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4495 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4496 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4497 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4498 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4499 /* Get a move list just to see the header, which
4500 will tell us whether this is really bug or zh */
4501 if (ics_getting_history == H_FALSE) {
4502 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4503 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4508 /* Take action if this is the first board of a new game, or of a
4509 different game than is currently being displayed. */
4510 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4511 relation == RELATION_ISOLATED_BOARD) {
4513 /* Forget the old game and get the history (if any) of the new one */
4514 if (gameMode != BeginningOfGame) {
4518 if (appData.autoRaiseBoard) BoardToTop();
4520 if (gamenum == -1) {
4521 newGameMode = IcsIdle;
4522 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4523 appData.getMoveList && !reqFlag) {
4524 /* Need to get game history */
4525 ics_getting_history = H_REQUESTED;
4526 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4530 /* Initially flip the board to have black on the bottom if playing
4531 black or if the ICS flip flag is set, but let the user change
4532 it with the Flip View button. */
4533 flipView = appData.autoFlipView ?
4534 (newGameMode == IcsPlayingBlack) || ics_flip :
4537 /* Done with values from previous mode; copy in new ones */
4538 gameMode = newGameMode;
4540 ics_gamenum = gamenum;
4541 if (gamenum == gs_gamenum) {
4542 int klen = strlen(gs_kind);
4543 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4544 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4545 gameInfo.event = StrSave(str);
4547 gameInfo.event = StrSave("ICS game");
4549 gameInfo.site = StrSave(appData.icsHost);
4550 gameInfo.date = PGNDate();
4551 gameInfo.round = StrSave("-");
4552 gameInfo.white = StrSave(white);
4553 gameInfo.black = StrSave(black);
4554 timeControl = basetime * 60 * 1000;
4556 timeIncrement = increment * 1000;
4557 movesPerSession = 0;
4558 gameInfo.timeControl = TimeControlTagValue();
4559 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4560 if (appData.debugMode) {
4561 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4562 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4563 setbuf(debugFP, NULL);
4566 gameInfo.outOfBook = NULL;
4568 /* Do we have the ratings? */
4569 if (strcmp(player1Name, white) == 0 &&
4570 strcmp(player2Name, black) == 0) {
4571 if (appData.debugMode)
4572 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4573 player1Rating, player2Rating);
4574 gameInfo.whiteRating = player1Rating;
4575 gameInfo.blackRating = player2Rating;
4576 } else if (strcmp(player2Name, white) == 0 &&
4577 strcmp(player1Name, black) == 0) {
4578 if (appData.debugMode)
4579 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4580 player2Rating, player1Rating);
4581 gameInfo.whiteRating = player2Rating;
4582 gameInfo.blackRating = player1Rating;
4584 player1Name[0] = player2Name[0] = NULLCHAR;
4586 /* Silence shouts if requested */
4587 if (appData.quietPlay &&
4588 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4589 SendToICS(ics_prefix);
4590 SendToICS("set shout 0\n");
4594 /* Deal with midgame name changes */
4596 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4597 if (gameInfo.white) free(gameInfo.white);
4598 gameInfo.white = StrSave(white);
4600 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4601 if (gameInfo.black) free(gameInfo.black);
4602 gameInfo.black = StrSave(black);
4606 /* Throw away game result if anything actually changes in examine mode */
4607 if (gameMode == IcsExamining && !newGame) {
4608 gameInfo.result = GameUnfinished;
4609 if (gameInfo.resultDetails != NULL) {
4610 free(gameInfo.resultDetails);
4611 gameInfo.resultDetails = NULL;
4615 /* In pausing && IcsExamining mode, we ignore boards coming
4616 in if they are in a different variation than we are. */
4617 if (pauseExamInvalid) return;
4618 if (pausing && gameMode == IcsExamining) {
4619 if (moveNum <= pauseExamForwardMostMove) {
4620 pauseExamInvalid = TRUE;
4621 forwardMostMove = pauseExamForwardMostMove;
4626 if (appData.debugMode) {
4627 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4629 /* Parse the board */
4630 for (k = 0; k < ranks; k++) {
4631 for (j = 0; j < files; j++)
4632 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4633 if(gameInfo.holdingsWidth > 1) {
4634 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4635 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4638 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4639 board[5][BOARD_RGHT+1] = WhiteAngel;
4640 board[6][BOARD_RGHT+1] = WhiteMarshall;
4641 board[1][0] = BlackMarshall;
4642 board[2][0] = BlackAngel;
4643 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4645 CopyBoard(boards[moveNum], board);
4646 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4648 startedFromSetupPosition =
4649 !CompareBoards(board, initialPosition);
4650 if(startedFromSetupPosition)
4651 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4654 /* [HGM] Set castling rights. Take the outermost Rooks,
4655 to make it also work for FRC opening positions. Note that board12
4656 is really defective for later FRC positions, as it has no way to
4657 indicate which Rook can castle if they are on the same side of King.
4658 For the initial position we grant rights to the outermost Rooks,
4659 and remember thos rights, and we then copy them on positions
4660 later in an FRC game. This means WB might not recognize castlings with
4661 Rooks that have moved back to their original position as illegal,
4662 but in ICS mode that is not its job anyway.
4664 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4665 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4667 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4668 if(board[0][i] == WhiteRook) j = i;
4669 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4670 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4671 if(board[0][i] == WhiteRook) j = i;
4672 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4673 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4674 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4675 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4676 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4677 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4678 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4680 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4681 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4682 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4683 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4684 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4685 if(board[BOARD_HEIGHT-1][k] == bKing)
4686 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4687 if(gameInfo.variant == VariantTwoKings) {
4688 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4689 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4690 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4693 r = boards[moveNum][CASTLING][0] = initialRights[0];
4694 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4695 r = boards[moveNum][CASTLING][1] = initialRights[1];
4696 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4697 r = boards[moveNum][CASTLING][3] = initialRights[3];
4698 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4699 r = boards[moveNum][CASTLING][4] = initialRights[4];
4700 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4701 /* wildcastle kludge: always assume King has rights */
4702 r = boards[moveNum][CASTLING][2] = initialRights[2];
4703 r = boards[moveNum][CASTLING][5] = initialRights[5];
4705 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4706 boards[moveNum][EP_STATUS] = EP_NONE;
4707 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4708 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4709 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4712 if (ics_getting_history == H_GOT_REQ_HEADER ||
4713 ics_getting_history == H_GOT_UNREQ_HEADER) {
4714 /* This was an initial position from a move list, not
4715 the current position */
4719 /* Update currentMove and known move number limits */
4720 newMove = newGame || moveNum > forwardMostMove;
4723 forwardMostMove = backwardMostMove = currentMove = moveNum;
4724 if (gameMode == IcsExamining && moveNum == 0) {
4725 /* Workaround for ICS limitation: we are not told the wild
4726 type when starting to examine a game. But if we ask for
4727 the move list, the move list header will tell us */
4728 ics_getting_history = H_REQUESTED;
4729 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4732 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4733 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4735 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4736 /* [HGM] applied this also to an engine that is silently watching */
4737 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4738 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4739 gameInfo.variant == currentlyInitializedVariant) {
4740 takeback = forwardMostMove - moveNum;
4741 for (i = 0; i < takeback; i++) {
4742 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4743 SendToProgram("undo\n", &first);
4748 forwardMostMove = moveNum;
4749 if (!pausing || currentMove > forwardMostMove)
4750 currentMove = forwardMostMove;
4752 /* New part of history that is not contiguous with old part */
4753 if (pausing && gameMode == IcsExamining) {
4754 pauseExamInvalid = TRUE;
4755 forwardMostMove = pauseExamForwardMostMove;
4758 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4760 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4761 // [HGM] when we will receive the move list we now request, it will be
4762 // fed to the engine from the first move on. So if the engine is not
4763 // in the initial position now, bring it there.
4764 InitChessProgram(&first, 0);
4767 ics_getting_history = H_REQUESTED;
4768 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4771 forwardMostMove = backwardMostMove = currentMove = moveNum;
4774 /* Update the clocks */
4775 if (strchr(elapsed_time, '.')) {
4777 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4778 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4780 /* Time is in seconds */
4781 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4782 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4787 if (appData.zippyPlay && newGame &&
4788 gameMode != IcsObserving && gameMode != IcsIdle &&
4789 gameMode != IcsExamining)
4790 ZippyFirstBoard(moveNum, basetime, increment);
4793 /* Put the move on the move list, first converting
4794 to canonical algebraic form. */
4796 if (appData.debugMode) {
4797 int f = forwardMostMove;
4798 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4799 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4800 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4801 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4802 fprintf(debugFP, "moveNum = %d\n", moveNum);
4803 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4804 setbuf(debugFP, NULL);
4806 if (moveNum <= backwardMostMove) {
4807 /* We don't know what the board looked like before
4809 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4810 strcat(parseList[moveNum - 1], " ");
4811 strcat(parseList[moveNum - 1], elapsed_time);
4812 moveList[moveNum - 1][0] = NULLCHAR;
4813 } else if (strcmp(move_str, "none") == 0) {
4814 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4815 /* Again, we don't know what the board looked like;
4816 this is really the start of the game. */
4817 parseList[moveNum - 1][0] = NULLCHAR;
4818 moveList[moveNum - 1][0] = NULLCHAR;
4819 backwardMostMove = moveNum;
4820 startedFromSetupPosition = TRUE;
4821 fromX = fromY = toX = toY = -1;
4823 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4824 // So we parse the long-algebraic move string in stead of the SAN move
4825 int valid; char buf[MSG_SIZ], *prom;
4827 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4828 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4829 // str looks something like "Q/a1-a2"; kill the slash
4831 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4832 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4833 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4834 strcat(buf, prom); // long move lacks promo specification!
4835 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4836 if(appData.debugMode)
4837 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4838 safeStrCpy(move_str, buf, MSG_SIZ);
4840 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4841 &fromX, &fromY, &toX, &toY, &promoChar)
4842 || ParseOneMove(buf, moveNum - 1, &moveType,
4843 &fromX, &fromY, &toX, &toY, &promoChar);
4844 // end of long SAN patch
4846 (void) CoordsToAlgebraic(boards[moveNum - 1],
4847 PosFlags(moveNum - 1),
4848 fromY, fromX, toY, toX, promoChar,
4849 parseList[moveNum-1]);
4850 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4856 if(!IS_SHOGI(gameInfo.variant))
4857 strcat(parseList[moveNum - 1], "+");
4860 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4861 strcat(parseList[moveNum - 1], "#");
4864 strcat(parseList[moveNum - 1], " ");
4865 strcat(parseList[moveNum - 1], elapsed_time);
4866 /* currentMoveString is set as a side-effect of ParseOneMove */
4867 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4868 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4869 strcat(moveList[moveNum - 1], "\n");
4871 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4872 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4873 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4874 ChessSquare old, new = boards[moveNum][k][j];
4875 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4876 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4877 if(old == new) continue;
4878 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4879 else if(new == WhiteWazir || new == BlackWazir) {
4880 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4881 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4882 else boards[moveNum][k][j] = old; // preserve type of Gold
4883 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4884 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4887 /* Move from ICS was illegal!? Punt. */
4888 if (appData.debugMode) {
4889 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4890 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4892 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4893 strcat(parseList[moveNum - 1], " ");
4894 strcat(parseList[moveNum - 1], elapsed_time);
4895 moveList[moveNum - 1][0] = NULLCHAR;
4896 fromX = fromY = toX = toY = -1;
4899 if (appData.debugMode) {
4900 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4901 setbuf(debugFP, NULL);
4905 /* Send move to chess program (BEFORE animating it). */
4906 if (appData.zippyPlay && !newGame && newMove &&
4907 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4909 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4910 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4911 if (moveList[moveNum - 1][0] == NULLCHAR) {
4912 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4914 DisplayError(str, 0);
4916 if (first.sendTime) {
4917 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4919 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4920 if (firstMove && !bookHit) {
4922 if (first.useColors) {
4923 SendToProgram(gameMode == IcsPlayingWhite ?
4925 "black\ngo\n", &first);
4927 SendToProgram("go\n", &first);
4929 first.maybeThinking = TRUE;
4932 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4933 if (moveList[moveNum - 1][0] == NULLCHAR) {
4934 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4935 DisplayError(str, 0);
4937 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4938 SendMoveToProgram(moveNum - 1, &first);
4945 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4946 /* If move comes from a remote source, animate it. If it
4947 isn't remote, it will have already been animated. */
4948 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4949 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4951 if (!pausing && appData.highlightLastMove) {
4952 SetHighlights(fromX, fromY, toX, toY);
4956 /* Start the clocks */
4957 whiteFlag = blackFlag = FALSE;
4958 appData.clockMode = !(basetime == 0 && increment == 0);
4960 ics_clock_paused = TRUE;
4962 } else if (ticking == 1) {
4963 ics_clock_paused = FALSE;
4965 if (gameMode == IcsIdle ||
4966 relation == RELATION_OBSERVING_STATIC ||
4967 relation == RELATION_EXAMINING ||
4969 DisplayBothClocks();
4973 /* Display opponents and material strengths */
4974 if (gameInfo.variant != VariantBughouse &&
4975 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4976 if (tinyLayout || smallLayout) {
4977 if(gameInfo.variant == VariantNormal)
4978 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4979 gameInfo.white, white_stren, gameInfo.black, black_stren,
4980 basetime, increment);
4982 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4983 gameInfo.white, white_stren, gameInfo.black, black_stren,
4984 basetime, increment, (int) gameInfo.variant);
4986 if(gameInfo.variant == VariantNormal)
4987 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4988 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4989 basetime, increment);
4991 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4992 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4993 basetime, increment, VariantName(gameInfo.variant));
4996 if (appData.debugMode) {
4997 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5002 /* Display the board */
5003 if (!pausing && !appData.noGUI) {
5005 if (appData.premove)
5007 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5008 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5009 ClearPremoveHighlights();
5011 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5012 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5013 DrawPosition(j, boards[currentMove]);
5015 DisplayMove(moveNum - 1);
5016 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5017 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5018 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5019 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5023 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5025 if(bookHit) { // [HGM] book: simulate book reply
5026 static char bookMove[MSG_SIZ]; // a bit generous?
5028 programStats.nodes = programStats.depth = programStats.time =
5029 programStats.score = programStats.got_only_move = 0;
5030 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5032 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5033 strcat(bookMove, bookHit);
5034 HandleMachineMove(bookMove, &first);
5043 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5044 ics_getting_history = H_REQUESTED;
5045 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5051 SendToBoth (char *msg)
5052 { // to make it easy to keep two engines in step in dual analysis
5053 SendToProgram(msg, &first);
5054 if(second.analyzing) SendToProgram(msg, &second);
5058 AnalysisPeriodicEvent (int force)
5060 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5061 && !force) || !appData.periodicUpdates)
5064 /* Send . command to Crafty to collect stats */
5067 /* Don't send another until we get a response (this makes
5068 us stop sending to old Crafty's which don't understand
5069 the "." command (sending illegal cmds resets node count & time,
5070 which looks bad)) */
5071 programStats.ok_to_send = 0;
5075 ics_update_width (int new_width)
5077 ics_printf("set width %d\n", new_width);
5081 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5085 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5086 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5087 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5088 SendToProgram(buf, cps);
5091 // null move in variant where engine does not understand it (for analysis purposes)
5092 SendBoard(cps, moveNum + 1); // send position after move in stead.
5095 if (cps->useUsermove) {
5096 SendToProgram("usermove ", cps);
5100 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5101 int len = space - parseList[moveNum];
5102 memcpy(buf, parseList[moveNum], len);
5104 buf[len] = NULLCHAR;
5106 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5108 SendToProgram(buf, cps);
5110 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5111 AlphaRank(moveList[moveNum], 4);
5112 SendToProgram(moveList[moveNum], cps);
5113 AlphaRank(moveList[moveNum], 4); // and back
5115 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5116 * the engine. It would be nice to have a better way to identify castle
5118 if(appData.fischerCastling && cps->useOOCastle) {
5119 int fromX = moveList[moveNum][0] - AAA;
5120 int fromY = moveList[moveNum][1] - ONE;
5121 int toX = moveList[moveNum][2] - AAA;
5122 int toY = moveList[moveNum][3] - ONE;
5123 if((boards[moveNum][fromY][fromX] == WhiteKing
5124 && boards[moveNum][toY][toX] == WhiteRook)
5125 || (boards[moveNum][fromY][fromX] == BlackKing
5126 && boards[moveNum][toY][toX] == BlackRook)) {
5127 if(toX > fromX) SendToProgram("O-O\n", cps);
5128 else SendToProgram("O-O-O\n", cps);
5130 else SendToProgram(moveList[moveNum], cps);
5132 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5133 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
5134 moveList[moveNum][5], moveList[moveNum][6] - '0',
5135 moveList[moveNum][5], moveList[moveNum][6] - '0',
5136 moveList[moveNum][2], moveList[moveNum][3] - '0');
5137 SendToProgram(buf, cps);
5139 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5140 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5141 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5142 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5143 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5145 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5146 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5147 SendToProgram(buf, cps);
5149 else SendToProgram(moveList[moveNum], cps);
5150 /* End of additions by Tord */
5153 /* [HGM] setting up the opening has brought engine in force mode! */
5154 /* Send 'go' if we are in a mode where machine should play. */
5155 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5156 (gameMode == TwoMachinesPlay ||
5158 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5160 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5161 SendToProgram("go\n", cps);
5162 if (appData.debugMode) {
5163 fprintf(debugFP, "(extra)\n");
5166 setboardSpoiledMachineBlack = 0;
5170 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5172 char user_move[MSG_SIZ];
5175 if(gameInfo.variant == VariantSChess && promoChar) {
5176 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5177 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5178 } else suffix[0] = NULLCHAR;
5182 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5183 (int)moveType, fromX, fromY, toX, toY);
5184 DisplayError(user_move + strlen("say "), 0);
5186 case WhiteKingSideCastle:
5187 case BlackKingSideCastle:
5188 case WhiteQueenSideCastleWild:
5189 case BlackQueenSideCastleWild:
5191 case WhiteHSideCastleFR:
5192 case BlackHSideCastleFR:
5194 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5196 case WhiteQueenSideCastle:
5197 case BlackQueenSideCastle:
5198 case WhiteKingSideCastleWild:
5199 case BlackKingSideCastleWild:
5201 case WhiteASideCastleFR:
5202 case BlackASideCastleFR:
5204 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5206 case WhiteNonPromotion:
5207 case BlackNonPromotion:
5208 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5210 case WhitePromotion:
5211 case BlackPromotion:
5212 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5213 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5214 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5215 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5216 PieceToChar(WhiteFerz));
5217 else if(gameInfo.variant == VariantGreat)
5218 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5219 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5220 PieceToChar(WhiteMan));
5222 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5223 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5229 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5230 ToUpper(PieceToChar((ChessSquare) fromX)),
5231 AAA + toX, ONE + toY);
5233 case IllegalMove: /* could be a variant we don't quite understand */
5234 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5236 case WhiteCapturesEnPassant:
5237 case BlackCapturesEnPassant:
5238 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5239 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5242 SendToICS(user_move);
5243 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5244 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5249 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5250 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5251 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5252 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5253 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5256 if(gameMode != IcsExamining) { // is this ever not the case?
5257 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5259 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5260 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5261 } else { // on FICS we must first go to general examine mode
5262 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5264 if(gameInfo.variant != VariantNormal) {
5265 // try figure out wild number, as xboard names are not always valid on ICS
5266 for(i=1; i<=36; i++) {
5267 snprintf(buf, MSG_SIZ, "wild/%d", i);
5268 if(StringToVariant(buf) == gameInfo.variant) break;
5270 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5271 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5272 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5273 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5274 SendToICS(ics_prefix);
5276 if(startedFromSetupPosition || backwardMostMove != 0) {
5277 fen = PositionToFEN(backwardMostMove, NULL, 1);
5278 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5279 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5281 } else { // FICS: everything has to set by separate bsetup commands
5282 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5283 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5285 if(!WhiteOnMove(backwardMostMove)) {
5286 SendToICS("bsetup tomove black\n");
5288 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5289 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5291 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5292 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5294 i = boards[backwardMostMove][EP_STATUS];
5295 if(i >= 0) { // set e.p.
5296 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5302 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5303 SendToICS("bsetup done\n"); // switch to normal examining.
5305 for(i = backwardMostMove; i<last; i++) {
5307 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5308 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5309 int len = strlen(moveList[i]);
5310 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5311 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5315 SendToICS(ics_prefix);
5316 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5319 int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5322 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5324 if (rf == DROP_RANK) {
5325 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5326 sprintf(move, "%c@%c%c\n",
5327 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5329 if (promoChar == 'x' || promoChar == NULLCHAR) {
5330 sprintf(move, "%c%c%c%c\n",
5331 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5332 if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5334 sprintf(move, "%c%c%c%c%c\n",
5335 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5341 ProcessICSInitScript (FILE *f)
5345 while (fgets(buf, MSG_SIZ, f)) {
5346 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5353 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5355 static ClickType lastClickType;
5358 Partner (ChessSquare *p)
5359 { // change piece into promotion partner if one shogi-promotes to the other
5360 int stride = gameInfo.variant == VariantChu ? 22 : 11;
5361 ChessSquare partner;
5362 partner = (*p/stride & 1 ? *p - stride : *p + stride);
5363 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5371 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5372 static int toggleFlag;
5373 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5374 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5375 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5376 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5377 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5378 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5380 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5381 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5382 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5383 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5384 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5385 if(!step) step = -1;
5386 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5387 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5388 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5389 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5391 int victim = boards[currentMove][toY][toX];
5392 boards[currentMove][toY][toX] = promoSweep;
5393 DrawPosition(FALSE, boards[currentMove]);
5394 boards[currentMove][toY][toX] = victim;
5396 ChangeDragPiece(promoSweep);
5400 PromoScroll (int x, int y)
5404 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5405 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5406 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5407 if(!step) return FALSE;
5408 lastX = x; lastY = y;
5409 if((promoSweep < BlackPawn) == flipView) step = -step;
5410 if(step > 0) selectFlag = 1;
5411 if(!selectFlag) Sweep(step);
5416 NextPiece (int step)
5418 ChessSquare piece = boards[currentMove][toY][toX];
5421 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5422 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5423 if(!step) step = -1;
5424 } while(PieceToChar(pieceSweep) == '.');
5425 boards[currentMove][toY][toX] = pieceSweep;
5426 DrawPosition(FALSE, boards[currentMove]);
5427 boards[currentMove][toY][toX] = piece;
5429 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5431 AlphaRank (char *move, int n)
5433 // char *p = move, c; int x, y;
5435 if (appData.debugMode) {
5436 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5440 move[2]>='0' && move[2]<='9' &&
5441 move[3]>='a' && move[3]<='x' ) {
5443 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5444 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5446 if(move[0]>='0' && move[0]<='9' &&
5447 move[1]>='a' && move[1]<='x' &&
5448 move[2]>='0' && move[2]<='9' &&
5449 move[3]>='a' && move[3]<='x' ) {
5450 /* input move, Shogi -> normal */
5451 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5452 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5453 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5454 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5457 move[3]>='0' && move[3]<='9' &&
5458 move[2]>='a' && move[2]<='x' ) {
5460 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5461 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5464 move[0]>='a' && move[0]<='x' &&
5465 move[3]>='0' && move[3]<='9' &&
5466 move[2]>='a' && move[2]<='x' ) {
5467 /* output move, normal -> Shogi */
5468 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5469 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5470 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5471 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5472 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5474 if (appData.debugMode) {
5475 fprintf(debugFP, " out = '%s'\n", move);
5479 char yy_textstr[8000];
5481 /* Parser for moves from gnuchess, ICS, or user typein box */
5483 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5485 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5487 switch (*moveType) {
5488 case WhitePromotion:
5489 case BlackPromotion:
5490 case WhiteNonPromotion:
5491 case BlackNonPromotion:
5494 case WhiteCapturesEnPassant:
5495 case BlackCapturesEnPassant:
5496 case WhiteKingSideCastle:
5497 case WhiteQueenSideCastle:
5498 case BlackKingSideCastle:
5499 case BlackQueenSideCastle:
5500 case WhiteKingSideCastleWild:
5501 case WhiteQueenSideCastleWild:
5502 case BlackKingSideCastleWild:
5503 case BlackQueenSideCastleWild:
5504 /* Code added by Tord: */
5505 case WhiteHSideCastleFR:
5506 case WhiteASideCastleFR:
5507 case BlackHSideCastleFR:
5508 case BlackASideCastleFR:
5509 /* End of code added by Tord */
5510 case IllegalMove: /* bug or odd chess variant */
5511 *fromX = currentMoveString[0] - AAA;
5512 *fromY = currentMoveString[1] - ONE;
5513 *toX = currentMoveString[2] - AAA;
5514 *toY = currentMoveString[3] - ONE;
5515 *promoChar = currentMoveString[4];
5516 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5517 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5518 if (appData.debugMode) {
5519 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5521 *fromX = *fromY = *toX = *toY = 0;
5524 if (appData.testLegality) {
5525 return (*moveType != IllegalMove);
5527 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5528 // [HGM] lion: if this is a double move we are less critical
5529 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5534 *fromX = *moveType == WhiteDrop ?
5535 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5536 (int) CharToPiece(ToLower(currentMoveString[0]));
5538 *toX = currentMoveString[2] - AAA;
5539 *toY = currentMoveString[3] - ONE;
5540 *promoChar = NULLCHAR;
5544 case ImpossibleMove:
5554 if (appData.debugMode) {
5555 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5558 *fromX = *fromY = *toX = *toY = 0;
5559 *promoChar = NULLCHAR;
5564 Boolean pushed = FALSE;
5565 char *lastParseAttempt;
5568 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5569 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5570 int fromX, fromY, toX, toY; char promoChar;
5575 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5576 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5577 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5580 endPV = forwardMostMove;
5582 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5583 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5584 lastParseAttempt = pv;
5585 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5586 if(!valid && nr == 0 &&
5587 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5588 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5589 // Hande case where played move is different from leading PV move
5590 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5591 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5592 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5593 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5594 endPV += 2; // if position different, keep this
5595 moveList[endPV-1][0] = fromX + AAA;
5596 moveList[endPV-1][1] = fromY + ONE;
5597 moveList[endPV-1][2] = toX + AAA;
5598 moveList[endPV-1][3] = toY + ONE;
5599 parseList[endPV-1][0] = NULLCHAR;
5600 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5603 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5604 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5605 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5606 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5607 valid++; // allow comments in PV
5611 if(endPV+1 > framePtr) break; // no space, truncate
5614 CopyBoard(boards[endPV], boards[endPV-1]);
5615 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5616 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5617 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5618 CoordsToAlgebraic(boards[endPV - 1],
5619 PosFlags(endPV - 1),
5620 fromY, fromX, toY, toX, promoChar,
5621 parseList[endPV - 1]);
5623 if(atEnd == 2) return; // used hidden, for PV conversion
5624 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5625 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5626 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5627 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5628 DrawPosition(TRUE, boards[currentMove]);
5632 MultiPV (ChessProgramState *cps)
5633 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5635 for(i=0; i<cps->nrOptions; i++)
5636 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5641 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5644 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5646 int startPV, multi, lineStart, origIndex = index;
5647 char *p, buf2[MSG_SIZ];
5648 ChessProgramState *cps = (pane ? &second : &first);
5650 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5651 lastX = x; lastY = y;
5652 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5653 lineStart = startPV = index;
5654 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5655 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5657 do{ while(buf[index] && buf[index] != '\n') index++;
5658 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5660 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5661 int n = cps->option[multi].value;
5662 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5663 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5664 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5665 cps->option[multi].value = n;
5668 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5669 ExcludeClick(origIndex - lineStart);
5671 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5672 Collapse(origIndex - lineStart);
5675 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5676 *start = startPV; *end = index-1;
5677 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5684 static char buf[10*MSG_SIZ];
5685 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5687 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5688 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5689 for(i = forwardMostMove; i<endPV; i++){
5690 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5691 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5694 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5695 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5696 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5702 LoadPV (int x, int y)
5703 { // called on right mouse click to load PV
5704 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5705 lastX = x; lastY = y;
5706 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5714 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5715 if(endPV < 0) return;
5716 if(appData.autoCopyPV) CopyFENToClipboard();
5718 if(extendGame && currentMove > forwardMostMove) {
5719 Boolean saveAnimate = appData.animate;
5721 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5722 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5723 } else storedGames--; // abandon shelved tail of original game
5726 forwardMostMove = currentMove;
5727 currentMove = oldFMM;
5728 appData.animate = FALSE;
5729 ToNrEvent(forwardMostMove);
5730 appData.animate = saveAnimate;
5732 currentMove = forwardMostMove;
5733 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5734 ClearPremoveHighlights();
5735 DrawPosition(TRUE, boards[currentMove]);
5739 MovePV (int x, int y, int h)
5740 { // step through PV based on mouse coordinates (called on mouse move)
5741 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5743 // we must somehow check if right button is still down (might be released off board!)
5744 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5745 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5746 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5748 lastX = x; lastY = y;
5750 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5751 if(endPV < 0) return;
5752 if(y < margin) step = 1; else
5753 if(y > h - margin) step = -1;
5754 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5755 currentMove += step;
5756 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5757 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5758 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5759 DrawPosition(FALSE, boards[currentMove]);
5763 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5764 // All positions will have equal probability, but the current method will not provide a unique
5765 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5771 int piecesLeft[(int)BlackPawn];
5772 int seed, nrOfShuffles;
5775 GetPositionNumber ()
5776 { // sets global variable seed
5779 seed = appData.defaultFrcPosition;
5780 if(seed < 0) { // randomize based on time for negative FRC position numbers
5781 for(i=0; i<50; i++) seed += random();
5782 seed = random() ^ random() >> 8 ^ random() << 8;
5783 if(seed<0) seed = -seed;
5788 put (Board board, int pieceType, int rank, int n, int shade)
5789 // put the piece on the (n-1)-th empty squares of the given shade
5793 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5794 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5795 board[rank][i] = (ChessSquare) pieceType;
5796 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5798 piecesLeft[pieceType]--;
5807 AddOnePiece (Board board, int pieceType, int rank, int shade)
5808 // calculate where the next piece goes, (any empty square), and put it there
5812 i = seed % squaresLeft[shade];
5813 nrOfShuffles *= squaresLeft[shade];
5814 seed /= squaresLeft[shade];
5815 put(board, pieceType, rank, i, shade);
5819 AddTwoPieces (Board board, int pieceType, int rank)
5820 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5822 int i, n=squaresLeft[ANY], j=n-1, k;
5824 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5825 i = seed % k; // pick one
5828 while(i >= j) i -= j--;
5829 j = n - 1 - j; i += j;
5830 put(board, pieceType, rank, j, ANY);
5831 put(board, pieceType, rank, i, ANY);
5835 SetUpShuffle (Board board, int number)
5839 GetPositionNumber(); nrOfShuffles = 1;
5841 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5842 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5843 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5845 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5847 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5848 p = (int) board[0][i];
5849 if(p < (int) BlackPawn) piecesLeft[p] ++;
5850 board[0][i] = EmptySquare;
5853 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5854 // shuffles restricted to allow normal castling put KRR first
5855 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5856 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5857 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5858 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5859 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5860 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5861 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5862 put(board, WhiteRook, 0, 0, ANY);
5863 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5866 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5867 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5868 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5869 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5870 while(piecesLeft[p] >= 2) {
5871 AddOnePiece(board, p, 0, LITE);
5872 AddOnePiece(board, p, 0, DARK);
5874 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5877 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5878 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5879 // but we leave King and Rooks for last, to possibly obey FRC restriction
5880 if(p == (int)WhiteRook) continue;
5881 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5882 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5885 // now everything is placed, except perhaps King (Unicorn) and Rooks
5887 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5888 // Last King gets castling rights
5889 while(piecesLeft[(int)WhiteUnicorn]) {
5890 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5891 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5894 while(piecesLeft[(int)WhiteKing]) {
5895 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5896 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5901 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5902 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5905 // Only Rooks can be left; simply place them all
5906 while(piecesLeft[(int)WhiteRook]) {
5907 i = put(board, WhiteRook, 0, 0, ANY);
5908 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5911 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5913 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5916 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5917 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5920 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5924 SetCharTable (char *table, const char * map)
5925 /* [HGM] moved here from winboard.c because of its general usefulness */
5926 /* Basically a safe strcpy that uses the last character as King */
5928 int result = FALSE; int NrPieces;
5930 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5931 && NrPieces >= 12 && !(NrPieces&1)) {
5932 int i; /* [HGM] Accept even length from 12 to 34 */
5934 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5935 for( i=0; i<NrPieces/2-1; i++ ) {
5937 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5939 table[(int) WhiteKing] = map[NrPieces/2-1];
5940 table[(int) BlackKing] = map[NrPieces-1];
5949 Prelude (Board board)
5950 { // [HGM] superchess: random selection of exo-pieces
5951 int i, j, k; ChessSquare p;
5952 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5954 GetPositionNumber(); // use FRC position number
5956 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5957 SetCharTable(pieceToChar, appData.pieceToCharTable);
5958 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5959 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5962 j = seed%4; seed /= 4;
5963 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5964 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5965 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5966 j = seed%3 + (seed%3 >= j); seed /= 3;
5967 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5968 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5969 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5970 j = seed%3; seed /= 3;
5971 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5972 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5973 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5974 j = seed%2 + (seed%2 >= j); seed /= 2;
5975 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5976 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5977 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5978 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5979 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5980 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5981 put(board, exoPieces[0], 0, 0, ANY);
5982 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5986 InitPosition (int redraw)
5988 ChessSquare (* pieces)[BOARD_FILES];
5989 int i, j, pawnRow=1, pieceRows=1, overrule,
5990 oldx = gameInfo.boardWidth,
5991 oldy = gameInfo.boardHeight,
5992 oldh = gameInfo.holdingsWidth;
5995 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
5997 /* [AS] Initialize pv info list [HGM] and game status */
5999 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6000 pvInfoList[i].depth = 0;
6001 boards[i][EP_STATUS] = EP_NONE;
6002 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6005 initialRulePlies = 0; /* 50-move counter start */
6007 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6008 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6012 /* [HGM] logic here is completely changed. In stead of full positions */
6013 /* the initialized data only consist of the two backranks. The switch */
6014 /* selects which one we will use, which is than copied to the Board */
6015 /* initialPosition, which for the rest is initialized by Pawns and */
6016 /* empty squares. This initial position is then copied to boards[0], */
6017 /* possibly after shuffling, so that it remains available. */
6019 gameInfo.holdingsWidth = 0; /* default board sizes */
6020 gameInfo.boardWidth = 8;
6021 gameInfo.boardHeight = 8;
6022 gameInfo.holdingsSize = 0;
6023 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6024 for(i=0; i<BOARD_FILES-2; i++)
6025 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6026 initialPosition[EP_STATUS] = EP_NONE;
6027 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
6028 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6029 SetCharTable(pieceNickName, appData.pieceNickNames);
6030 else SetCharTable(pieceNickName, "............");
6033 switch (gameInfo.variant) {
6034 case VariantFischeRandom:
6035 shuffleOpenings = TRUE;
6036 appData.fischerCastling = TRUE;
6039 case VariantShatranj:
6040 pieces = ShatranjArray;
6041 nrCastlingRights = 0;
6042 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6045 pieces = makrukArray;
6046 nrCastlingRights = 0;
6047 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6050 pieces = aseanArray;
6051 nrCastlingRights = 0;
6052 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6054 case VariantTwoKings:
6055 pieces = twoKingsArray;
6058 pieces = GrandArray;
6059 nrCastlingRights = 0;
6060 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6061 gameInfo.boardWidth = 10;
6062 gameInfo.boardHeight = 10;
6063 gameInfo.holdingsSize = 7;
6065 case VariantCapaRandom:
6066 shuffleOpenings = TRUE;
6067 appData.fischerCastling = TRUE;
6068 case VariantCapablanca:
6069 pieces = CapablancaArray;
6070 gameInfo.boardWidth = 10;
6071 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6074 pieces = GothicArray;
6075 gameInfo.boardWidth = 10;
6076 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6079 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6080 gameInfo.holdingsSize = 7;
6081 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6084 pieces = JanusArray;
6085 gameInfo.boardWidth = 10;
6086 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6087 nrCastlingRights = 6;
6088 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6089 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6090 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6091 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6092 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6093 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6096 pieces = FalconArray;
6097 gameInfo.boardWidth = 10;
6098 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
6100 case VariantXiangqi:
6101 pieces = XiangqiArray;
6102 gameInfo.boardWidth = 9;
6103 gameInfo.boardHeight = 10;
6104 nrCastlingRights = 0;
6105 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6108 pieces = ShogiArray;
6109 gameInfo.boardWidth = 9;
6110 gameInfo.boardHeight = 9;
6111 gameInfo.holdingsSize = 7;
6112 nrCastlingRights = 0;
6113 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6116 pieces = ChuArray; pieceRows = 3;
6117 gameInfo.boardWidth = 12;
6118 gameInfo.boardHeight = 12;
6119 nrCastlingRights = 0;
6120 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6121 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6123 case VariantCourier:
6124 pieces = CourierArray;
6125 gameInfo.boardWidth = 12;
6126 nrCastlingRights = 0;
6127 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6129 case VariantKnightmate:
6130 pieces = KnightmateArray;
6131 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6133 case VariantSpartan:
6134 pieces = SpartanArray;
6135 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6139 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6141 case VariantChuChess:
6142 pieces = ChuChessArray;
6143 gameInfo.boardWidth = 10;
6144 gameInfo.boardHeight = 10;
6145 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6148 pieces = fairyArray;
6149 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6152 pieces = GreatArray;
6153 gameInfo.boardWidth = 10;
6154 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6155 gameInfo.holdingsSize = 8;
6159 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6160 gameInfo.holdingsSize = 8;
6161 startedFromSetupPosition = TRUE;
6163 case VariantCrazyhouse:
6164 case VariantBughouse:
6166 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6167 gameInfo.holdingsSize = 5;
6169 case VariantWildCastle:
6171 /* !!?shuffle with kings guaranteed to be on d or e file */
6172 shuffleOpenings = 1;
6174 case VariantNoCastle:
6176 nrCastlingRights = 0;
6177 /* !!?unconstrained back-rank shuffle */
6178 shuffleOpenings = 1;
6183 if(appData.NrFiles >= 0) {
6184 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6185 gameInfo.boardWidth = appData.NrFiles;
6187 if(appData.NrRanks >= 0) {
6188 gameInfo.boardHeight = appData.NrRanks;
6190 if(appData.holdingsSize >= 0) {
6191 i = appData.holdingsSize;
6192 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6193 gameInfo.holdingsSize = i;
6195 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6196 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6197 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6199 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6200 if(pawnRow < 1) pawnRow = 1;
6201 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6202 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6203 if(gameInfo.variant == VariantChu) pawnRow = 3;
6205 /* User pieceToChar list overrules defaults */
6206 if(appData.pieceToCharTable != NULL)
6207 SetCharTable(pieceToChar, appData.pieceToCharTable);
6209 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6211 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6212 s = (ChessSquare) 0; /* account holding counts in guard band */
6213 for( i=0; i<BOARD_HEIGHT; i++ )
6214 initialPosition[i][j] = s;
6216 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6217 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6218 initialPosition[pawnRow][j] = WhitePawn;
6219 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6220 if(gameInfo.variant == VariantXiangqi) {
6222 initialPosition[pawnRow][j] =
6223 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6224 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6225 initialPosition[2][j] = WhiteCannon;
6226 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6230 if(gameInfo.variant == VariantChu) {
6231 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6232 initialPosition[pawnRow+1][j] = WhiteCobra,
6233 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6234 for(i=1; i<pieceRows; i++) {
6235 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6236 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6239 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6240 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6241 initialPosition[0][j] = WhiteRook;
6242 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6245 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6247 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6248 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6251 initialPosition[1][j] = WhiteBishop;
6252 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6254 initialPosition[1][j] = WhiteRook;
6255 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6258 if( nrCastlingRights == -1) {
6259 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6260 /* This sets default castling rights from none to normal corners */
6261 /* Variants with other castling rights must set them themselves above */
6262 nrCastlingRights = 6;
6264 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6265 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6266 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6267 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6268 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6269 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6272 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6273 if(gameInfo.variant == VariantGreat) { // promotion commoners
6274 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6275 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6276 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6277 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6279 if( gameInfo.variant == VariantSChess ) {
6280 initialPosition[1][0] = BlackMarshall;
6281 initialPosition[2][0] = BlackAngel;
6282 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6283 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6284 initialPosition[1][1] = initialPosition[2][1] =
6285 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6287 if (appData.debugMode) {
6288 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6290 if(shuffleOpenings) {
6291 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6292 startedFromSetupPosition = TRUE;
6294 if(startedFromPositionFile) {
6295 /* [HGM] loadPos: use PositionFile for every new game */
6296 CopyBoard(initialPosition, filePosition);
6297 for(i=0; i<nrCastlingRights; i++)
6298 initialRights[i] = filePosition[CASTLING][i];
6299 startedFromSetupPosition = TRUE;
6302 CopyBoard(boards[0], initialPosition);
6304 if(oldx != gameInfo.boardWidth ||
6305 oldy != gameInfo.boardHeight ||
6306 oldv != gameInfo.variant ||
6307 oldh != gameInfo.holdingsWidth
6309 InitDrawingSizes(-2 ,0);
6311 oldv = gameInfo.variant;
6313 DrawPosition(TRUE, boards[currentMove]);
6317 SendBoard (ChessProgramState *cps, int moveNum)
6319 char message[MSG_SIZ];
6321 if (cps->useSetboard) {
6322 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6323 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6324 SendToProgram(message, cps);
6329 int i, j, left=0, right=BOARD_WIDTH;
6330 /* Kludge to set black to move, avoiding the troublesome and now
6331 * deprecated "black" command.
6333 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6334 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6336 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6338 SendToProgram("edit\n", cps);
6339 SendToProgram("#\n", cps);
6340 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6341 bp = &boards[moveNum][i][left];
6342 for (j = left; j < right; j++, bp++) {
6343 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6344 if ((int) *bp < (int) BlackPawn) {
6345 if(j == BOARD_RGHT+1)
6346 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6347 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6348 if(message[0] == '+' || message[0] == '~') {
6349 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6350 PieceToChar((ChessSquare)(DEMOTED *bp)),
6353 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6354 message[1] = BOARD_RGHT - 1 - j + '1';
6355 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6357 SendToProgram(message, cps);
6362 SendToProgram("c\n", cps);
6363 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6364 bp = &boards[moveNum][i][left];
6365 for (j = left; j < right; j++, bp++) {
6366 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6367 if (((int) *bp != (int) EmptySquare)
6368 && ((int) *bp >= (int) BlackPawn)) {
6369 if(j == BOARD_LEFT-2)
6370 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6371 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6373 if(message[0] == '+' || message[0] == '~') {
6374 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6375 PieceToChar((ChessSquare)(DEMOTED *bp)),
6378 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6379 message[1] = BOARD_RGHT - 1 - j + '1';
6380 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6382 SendToProgram(message, cps);
6387 SendToProgram(".\n", cps);
6389 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6392 char exclusionHeader[MSG_SIZ];
6393 int exCnt, excludePtr;
6394 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6395 static Exclusion excluTab[200];
6396 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6402 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6403 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6409 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6410 excludePtr = 24; exCnt = 0;
6415 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6416 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6417 char buf[2*MOVE_LEN], *p;
6418 Exclusion *e = excluTab;
6420 for(i=0; i<exCnt; i++)
6421 if(e[i].ff == fromX && e[i].fr == fromY &&
6422 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6423 if(i == exCnt) { // was not in exclude list; add it
6424 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6425 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6426 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6429 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6430 excludePtr++; e[i].mark = excludePtr++;
6431 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6434 exclusionHeader[e[i].mark] = state;
6438 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6439 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6443 if((signed char)promoChar == -1) { // kludge to indicate best move
6444 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6445 return 1; // if unparsable, abort
6447 // update exclusion map (resolving toggle by consulting existing state)
6448 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6450 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6451 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6452 excludeMap[k] |= 1<<j;
6453 else excludeMap[k] &= ~(1<<j);
6455 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6457 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6458 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6460 return (state == '+');
6464 ExcludeClick (int index)
6467 Exclusion *e = excluTab;
6468 if(index < 25) { // none, best or tail clicked
6469 if(index < 13) { // none: include all
6470 WriteMap(0); // clear map
6471 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6472 SendToBoth("include all\n"); // and inform engine
6473 } else if(index > 18) { // tail
6474 if(exclusionHeader[19] == '-') { // tail was excluded
6475 SendToBoth("include all\n");
6476 WriteMap(0); // clear map completely
6477 // now re-exclude selected moves
6478 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6479 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6480 } else { // tail was included or in mixed state
6481 SendToBoth("exclude all\n");
6482 WriteMap(0xFF); // fill map completely
6483 // now re-include selected moves
6484 j = 0; // count them
6485 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6486 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6487 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6490 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6493 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6494 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6495 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6502 DefaultPromoChoice (int white)
6505 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6506 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6507 result = WhiteFerz; // no choice
6508 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6509 result= WhiteKing; // in Suicide Q is the last thing we want
6510 else if(gameInfo.variant == VariantSpartan)
6511 result = white ? WhiteQueen : WhiteAngel;
6512 else result = WhiteQueen;
6513 if(!white) result = WHITE_TO_BLACK result;
6517 static int autoQueen; // [HGM] oneclick
6520 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6522 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6523 /* [HGM] add Shogi promotions */
6524 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6525 ChessSquare piece, partner;
6529 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6530 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6532 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6533 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6536 piece = boards[currentMove][fromY][fromX];
6537 if(gameInfo.variant == VariantChu) {
6538 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6539 promotionZoneSize = BOARD_HEIGHT/3;
6540 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6541 } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
6542 promotionZoneSize = BOARD_HEIGHT/3;
6543 highestPromotingPiece = (int)WhiteAlfil;
6544 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6545 promotionZoneSize = 3;
6548 // Treat Lance as Pawn when it is not representing Amazon or Lance
6549 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6550 if(piece == WhiteLance) piece = WhitePawn; else
6551 if(piece == BlackLance) piece = BlackPawn;
6554 // next weed out all moves that do not touch the promotion zone at all
6555 if((int)piece >= BlackPawn) {
6556 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6558 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6559 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6561 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6562 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6563 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6567 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6569 // weed out mandatory Shogi promotions
6570 if(gameInfo.variant == VariantShogi) {
6571 if(piece >= BlackPawn) {
6572 if(toY == 0 && piece == BlackPawn ||
6573 toY == 0 && piece == BlackQueen ||
6574 toY <= 1 && piece == BlackKnight) {
6579 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6580 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6581 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6588 // weed out obviously illegal Pawn moves
6589 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6590 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6591 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6592 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6593 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6594 // note we are not allowed to test for valid (non-)capture, due to premove
6597 // we either have a choice what to promote to, or (in Shogi) whether to promote
6598 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6599 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6600 ChessSquare p=BlackFerz; // no choice
6601 while(p < EmptySquare) { //but make sure we use piece that exists
6602 *promoChoice = PieceToChar(p++);
6603 if(*promoChoice != '.') break;
6607 // no sense asking what we must promote to if it is going to explode...
6608 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6609 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6612 // give caller the default choice even if we will not make it
6613 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6614 partner = piece; // pieces can promote if the pieceToCharTable says so
6615 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6616 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6617 if( sweepSelect && gameInfo.variant != VariantGreat
6618 && gameInfo.variant != VariantGrand
6619 && gameInfo.variant != VariantSuper) return FALSE;
6620 if(autoQueen) return FALSE; // predetermined
6622 // suppress promotion popup on illegal moves that are not premoves
6623 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6624 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6625 if(appData.testLegality && !premove) {
6626 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6627 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6628 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6629 if(moveType != WhitePromotion && moveType != BlackPromotion)
6637 InPalace (int row, int column)
6638 { /* [HGM] for Xiangqi */
6639 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6640 column < (BOARD_WIDTH + 4)/2 &&
6641 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6646 PieceForSquare (int x, int y)
6648 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6651 return boards[currentMove][y][x];
6655 OKToStartUserMove (int x, int y)
6657 ChessSquare from_piece;
6660 if (matchMode) return FALSE;
6661 if (gameMode == EditPosition) return TRUE;
6663 if (x >= 0 && y >= 0)
6664 from_piece = boards[currentMove][y][x];
6666 from_piece = EmptySquare;
6668 if (from_piece == EmptySquare) return FALSE;
6670 white_piece = (int)from_piece >= (int)WhitePawn &&
6671 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6675 case TwoMachinesPlay:
6683 case MachinePlaysWhite:
6684 case IcsPlayingBlack:
6685 if (appData.zippyPlay) return FALSE;
6687 DisplayMoveError(_("You are playing Black"));
6692 case MachinePlaysBlack:
6693 case IcsPlayingWhite:
6694 if (appData.zippyPlay) return FALSE;
6696 DisplayMoveError(_("You are playing White"));
6701 case PlayFromGameFile:
6702 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6704 if (!white_piece && WhiteOnMove(currentMove)) {
6705 DisplayMoveError(_("It is White's turn"));
6708 if (white_piece && !WhiteOnMove(currentMove)) {
6709 DisplayMoveError(_("It is Black's turn"));
6712 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6713 /* Editing correspondence game history */
6714 /* Could disallow this or prompt for confirmation */
6719 case BeginningOfGame:
6720 if (appData.icsActive) return FALSE;
6721 if (!appData.noChessProgram) {
6723 DisplayMoveError(_("You are playing White"));
6730 if (!white_piece && WhiteOnMove(currentMove)) {
6731 DisplayMoveError(_("It is White's turn"));
6734 if (white_piece && !WhiteOnMove(currentMove)) {
6735 DisplayMoveError(_("It is Black's turn"));
6744 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6745 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6746 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6747 && gameMode != AnalyzeFile && gameMode != Training) {
6748 DisplayMoveError(_("Displayed position is not current"));
6755 OnlyMove (int *x, int *y, Boolean captures)
6757 DisambiguateClosure cl;
6758 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6760 case MachinePlaysBlack:
6761 case IcsPlayingWhite:
6762 case BeginningOfGame:
6763 if(!WhiteOnMove(currentMove)) return FALSE;
6765 case MachinePlaysWhite:
6766 case IcsPlayingBlack:
6767 if(WhiteOnMove(currentMove)) return FALSE;
6774 cl.pieceIn = EmptySquare;
6779 cl.promoCharIn = NULLCHAR;
6780 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6781 if( cl.kind == NormalMove ||
6782 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6783 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6784 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6791 if(cl.kind != ImpossibleMove) return FALSE;
6792 cl.pieceIn = EmptySquare;
6797 cl.promoCharIn = NULLCHAR;
6798 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6799 if( cl.kind == NormalMove ||
6800 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6801 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6802 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6807 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6813 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6814 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6815 int lastLoadGameUseList = FALSE;
6816 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6817 ChessMove lastLoadGameStart = EndOfFile;
6819 Boolean addToBookFlag;
6822 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6826 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6828 /* Check if the user is playing in turn. This is complicated because we
6829 let the user "pick up" a piece before it is his turn. So the piece he
6830 tried to pick up may have been captured by the time he puts it down!
6831 Therefore we use the color the user is supposed to be playing in this
6832 test, not the color of the piece that is currently on the starting
6833 square---except in EditGame mode, where the user is playing both
6834 sides; fortunately there the capture race can't happen. (It can
6835 now happen in IcsExamining mode, but that's just too bad. The user
6836 will get a somewhat confusing message in that case.)
6841 case TwoMachinesPlay:
6845 /* We switched into a game mode where moves are not accepted,
6846 perhaps while the mouse button was down. */
6849 case MachinePlaysWhite:
6850 /* User is moving for Black */
6851 if (WhiteOnMove(currentMove)) {
6852 DisplayMoveError(_("It is White's turn"));
6857 case MachinePlaysBlack:
6858 /* User is moving for White */
6859 if (!WhiteOnMove(currentMove)) {
6860 DisplayMoveError(_("It is Black's turn"));
6865 case PlayFromGameFile:
6866 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6869 case BeginningOfGame:
6872 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6873 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6874 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6875 /* User is moving for Black */
6876 if (WhiteOnMove(currentMove)) {
6877 DisplayMoveError(_("It is White's turn"));
6881 /* User is moving for White */
6882 if (!WhiteOnMove(currentMove)) {
6883 DisplayMoveError(_("It is Black's turn"));
6889 case IcsPlayingBlack:
6890 /* User is moving for Black */
6891 if (WhiteOnMove(currentMove)) {
6892 if (!appData.premove) {
6893 DisplayMoveError(_("It is White's turn"));
6894 } else if (toX >= 0 && toY >= 0) {
6897 premoveFromX = fromX;
6898 premoveFromY = fromY;
6899 premovePromoChar = promoChar;
6901 if (appData.debugMode)
6902 fprintf(debugFP, "Got premove: fromX %d,"
6903 "fromY %d, toX %d, toY %d\n",
6904 fromX, fromY, toX, toY);
6910 case IcsPlayingWhite:
6911 /* User is moving for White */
6912 if (!WhiteOnMove(currentMove)) {
6913 if (!appData.premove) {
6914 DisplayMoveError(_("It is Black's turn"));
6915 } else if (toX >= 0 && toY >= 0) {
6918 premoveFromX = fromX;
6919 premoveFromY = fromY;
6920 premovePromoChar = promoChar;
6922 if (appData.debugMode)
6923 fprintf(debugFP, "Got premove: fromX %d,"
6924 "fromY %d, toX %d, toY %d\n",
6925 fromX, fromY, toX, toY);
6935 /* EditPosition, empty square, or different color piece;
6936 click-click move is possible */
6937 if (toX == -2 || toY == -2) {
6938 boards[0][fromY][fromX] = EmptySquare;
6939 DrawPosition(FALSE, boards[currentMove]);
6941 } else if (toX >= 0 && toY >= 0) {
6942 boards[0][toY][toX] = boards[0][fromY][fromX];
6943 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6944 if(boards[0][fromY][0] != EmptySquare) {
6945 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6946 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6949 if(fromX == BOARD_RGHT+1) {
6950 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6951 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6952 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6955 boards[0][fromY][fromX] = gatingPiece;
6956 DrawPosition(FALSE, boards[currentMove]);
6962 if(toX < 0 || toY < 0) return;
6963 pup = boards[currentMove][toY][toX];
6965 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6966 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6967 if( pup != EmptySquare ) return;
6968 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6969 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6970 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6971 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6972 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6973 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6974 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6978 /* [HGM] always test for legality, to get promotion info */
6979 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6980 fromY, fromX, toY, toX, promoChar);
6982 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame)) moveType = NormalMove;
6984 /* [HGM] but possibly ignore an IllegalMove result */
6985 if (appData.testLegality) {
6986 if (moveType == IllegalMove || moveType == ImpossibleMove) {
6987 DisplayMoveError(_("Illegal move"));
6992 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
6993 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
6994 ClearPremoveHighlights(); // was included
6995 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
6999 if(addToBookFlag) { // adding moves to book
7000 char buf[MSG_SIZ], move[MSG_SIZ];
7001 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7002 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7004 addToBookFlag = FALSE;
7009 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7012 /* Common tail of UserMoveEvent and DropMenuEvent */
7014 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7018 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7019 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7020 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7021 if(WhiteOnMove(currentMove)) {
7022 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7024 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7028 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7029 move type in caller when we know the move is a legal promotion */
7030 if(moveType == NormalMove && promoChar)
7031 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7033 /* [HGM] <popupFix> The following if has been moved here from
7034 UserMoveEvent(). Because it seemed to belong here (why not allow
7035 piece drops in training games?), and because it can only be
7036 performed after it is known to what we promote. */
7037 if (gameMode == Training) {
7038 /* compare the move played on the board to the next move in the
7039 * game. If they match, display the move and the opponent's response.
7040 * If they don't match, display an error message.
7044 CopyBoard(testBoard, boards[currentMove]);
7045 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7047 if (CompareBoards(testBoard, boards[currentMove+1])) {
7048 ForwardInner(currentMove+1);
7050 /* Autoplay the opponent's response.
7051 * if appData.animate was TRUE when Training mode was entered,
7052 * the response will be animated.
7054 saveAnimate = appData.animate;
7055 appData.animate = animateTraining;
7056 ForwardInner(currentMove+1);
7057 appData.animate = saveAnimate;
7059 /* check for the end of the game */
7060 if (currentMove >= forwardMostMove) {
7061 gameMode = PlayFromGameFile;
7063 SetTrainingModeOff();
7064 DisplayInformation(_("End of game"));
7067 DisplayError(_("Incorrect move"), 0);
7072 /* Ok, now we know that the move is good, so we can kill
7073 the previous line in Analysis Mode */
7074 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7075 && currentMove < forwardMostMove) {
7076 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7077 else forwardMostMove = currentMove;
7082 /* If we need the chess program but it's dead, restart it */
7083 ResurrectChessProgram();
7085 /* A user move restarts a paused game*/
7089 thinkOutput[0] = NULLCHAR;
7091 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7093 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7094 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7098 if (gameMode == BeginningOfGame) {
7099 if (appData.noChessProgram) {
7100 gameMode = EditGame;
7104 gameMode = MachinePlaysBlack;
7107 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7109 if (first.sendName) {
7110 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7111 SendToProgram(buf, &first);
7118 /* Relay move to ICS or chess engine */
7119 if (appData.icsActive) {
7120 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7121 gameMode == IcsExamining) {
7122 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7123 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7125 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7127 // also send plain move, in case ICS does not understand atomic claims
7128 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7132 if (first.sendTime && (gameMode == BeginningOfGame ||
7133 gameMode == MachinePlaysWhite ||
7134 gameMode == MachinePlaysBlack)) {
7135 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7137 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7138 // [HGM] book: if program might be playing, let it use book
7139 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7140 first.maybeThinking = TRUE;
7141 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7142 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7143 SendBoard(&first, currentMove+1);
7144 if(second.analyzing) {
7145 if(!second.useSetboard) SendToProgram("undo\n", &second);
7146 SendBoard(&second, currentMove+1);
7149 SendMoveToProgram(forwardMostMove-1, &first);
7150 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7152 if (currentMove == cmailOldMove + 1) {
7153 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7157 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7161 if(appData.testLegality)
7162 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7168 if (WhiteOnMove(currentMove)) {
7169 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7171 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7175 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7180 case MachinePlaysBlack:
7181 case MachinePlaysWhite:
7182 /* disable certain menu options while machine is thinking */
7183 SetMachineThinkingEnables();
7190 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7191 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7193 if(bookHit) { // [HGM] book: simulate book reply
7194 static char bookMove[MSG_SIZ]; // a bit generous?
7196 programStats.nodes = programStats.depth = programStats.time =
7197 programStats.score = programStats.got_only_move = 0;
7198 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7200 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7201 strcat(bookMove, bookHit);
7202 HandleMachineMove(bookMove, &first);
7208 MarkByFEN(char *fen)
7211 if(!appData.markers || !appData.highlightDragging) return;
7212 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7213 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7217 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7218 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7219 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7220 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7221 if(*fen == 'T') marker[r][f++] = 0; else
7222 if(*fen == 'Y') marker[r][f++] = 1; else
7223 if(*fen == 'G') marker[r][f++] = 3; else
7224 if(*fen == 'B') marker[r][f++] = 4; else
7225 if(*fen == 'C') marker[r][f++] = 5; else
7226 if(*fen == 'M') marker[r][f++] = 6; else
7227 if(*fen == 'W') marker[r][f++] = 7; else
7228 if(*fen == 'D') marker[r][f++] = 8; else
7229 if(*fen == 'R') marker[r][f++] = 2; else {
7230 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7233 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7237 DrawPosition(TRUE, NULL);
7240 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7243 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7245 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7246 Markers *m = (Markers *) closure;
7247 if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2))
7248 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7249 || kind == WhiteCapturesEnPassant
7250 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0);
7251 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7254 static int hoverSavedValid;
7257 MarkTargetSquares (int clear)
7260 if(clear) { // no reason to ever suppress clearing
7261 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7262 hoverSavedValid = 0;
7263 if(!sum) return; // nothing was cleared,no redraw needed
7266 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7267 !appData.testLegality || gameMode == EditPosition) return;
7268 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7269 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7270 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7272 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7275 DrawPosition(FALSE, NULL);
7279 Explode (Board board, int fromX, int fromY, int toX, int toY)
7281 if(gameInfo.variant == VariantAtomic &&
7282 (board[toY][toX] != EmptySquare || // capture?
7283 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7284 board[fromY][fromX] == BlackPawn )
7286 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7292 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7295 CanPromote (ChessSquare piece, int y)
7297 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7298 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7299 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7300 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7301 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7302 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7303 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7304 return (piece == BlackPawn && y <= zone ||
7305 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7306 piece == BlackLance && y == 1 ||
7307 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7311 HoverEvent (int xPix, int yPix, int x, int y)
7313 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7315 if(!first.highlight) return;
7316 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7317 if(x == oldX && y == oldY) return; // only do something if we enter new square
7318 oldFromX = fromX; oldFromY = fromY;
7319 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7320 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7321 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7322 hoverSavedValid = 1;
7323 } else if(oldX != x || oldY != y) {
7324 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7325 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7326 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7327 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7328 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7330 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7331 SendToProgram(buf, &first);
7334 // SetHighlights(fromX, fromY, x, y);
7338 void ReportClick(char *action, int x, int y)
7340 char buf[MSG_SIZ]; // Inform engine of what user does
7342 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7343 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7344 if(!first.highlight || gameMode == EditPosition) return;
7345 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7346 SendToProgram(buf, &first);
7350 LeftClick (ClickType clickType, int xPix, int yPix)
7353 Boolean saveAnimate;
7354 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7355 char promoChoice = NULLCHAR;
7357 static TimeMark lastClickTime, prevClickTime;
7359 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7361 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7363 if (clickType == Press) ErrorPopDown();
7364 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7366 x = EventToSquare(xPix, BOARD_WIDTH);
7367 y = EventToSquare(yPix, BOARD_HEIGHT);
7368 if (!flipView && y >= 0) {
7369 y = BOARD_HEIGHT - 1 - y;
7371 if (flipView && x >= 0) {
7372 x = BOARD_WIDTH - 1 - x;
7375 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7376 defaultPromoChoice = promoSweep;
7377 promoSweep = EmptySquare; // terminate sweep
7378 promoDefaultAltered = TRUE;
7379 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7382 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7383 if(clickType == Release) return; // ignore upclick of click-click destination
7384 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7385 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7386 if(gameInfo.holdingsWidth &&
7387 (WhiteOnMove(currentMove)
7388 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7389 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7390 // click in right holdings, for determining promotion piece
7391 ChessSquare p = boards[currentMove][y][x];
7392 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7393 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7394 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7395 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7400 DrawPosition(FALSE, boards[currentMove]);
7404 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7405 if(clickType == Press
7406 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7407 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7408 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7411 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7412 // could be static click on premove from-square: abort premove
7414 ClearPremoveHighlights();
7417 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7418 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7420 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7421 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7422 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7423 defaultPromoChoice = DefaultPromoChoice(side);
7426 autoQueen = appData.alwaysPromoteToQueen;
7430 gatingPiece = EmptySquare;
7431 if (clickType != Press) {
7432 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7433 DragPieceEnd(xPix, yPix); dragging = 0;
7434 DrawPosition(FALSE, NULL);
7438 doubleClick = FALSE;
7439 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7440 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7442 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7443 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7444 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7445 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7447 if (OKToStartUserMove(fromX, fromY)) {
7449 ReportClick("lift", x, y);
7450 MarkTargetSquares(0);
7451 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7452 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7453 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7454 promoSweep = defaultPromoChoice;
7455 selectFlag = 0; lastX = xPix; lastY = yPix;
7456 Sweep(0); // Pawn that is going to promote: preview promotion piece
7457 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7459 if (appData.highlightDragging) {
7460 SetHighlights(fromX, fromY, -1, -1);
7464 } else fromX = fromY = -1;
7470 if (clickType == Press && gameMode != EditPosition) {
7475 // ignore off-board to clicks
7476 if(y < 0 || x < 0) return;
7478 /* Check if clicking again on the same color piece */
7479 fromP = boards[currentMove][fromY][fromX];
7480 toP = boards[currentMove][y][x];
7481 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7482 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7483 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7484 WhitePawn <= toP && toP <= WhiteKing &&
7485 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7486 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7487 (BlackPawn <= fromP && fromP <= BlackKing &&
7488 BlackPawn <= toP && toP <= BlackKing &&
7489 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7490 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7491 /* Clicked again on same color piece -- changed his mind */
7492 second = (x == fromX && y == fromY);
7494 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7495 second = FALSE; // first double-click rather than scond click
7496 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7498 promoDefaultAltered = FALSE;
7499 MarkTargetSquares(1);
7500 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7501 if (appData.highlightDragging) {
7502 SetHighlights(x, y, -1, -1);
7506 if (OKToStartUserMove(x, y)) {
7507 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7508 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7509 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7510 gatingPiece = boards[currentMove][fromY][fromX];
7511 else gatingPiece = doubleClick ? fromP : EmptySquare;
7513 fromY = y; dragging = 1;
7514 ReportClick("lift", x, y);
7515 MarkTargetSquares(0);
7516 DragPieceBegin(xPix, yPix, FALSE);
7517 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7518 promoSweep = defaultPromoChoice;
7519 selectFlag = 0; lastX = xPix; lastY = yPix;
7520 Sweep(0); // Pawn that is going to promote: preview promotion piece
7524 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7527 // ignore clicks on holdings
7528 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7531 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7532 DragPieceEnd(xPix, yPix); dragging = 0;
7534 // a deferred attempt to click-click move an empty square on top of a piece
7535 boards[currentMove][y][x] = EmptySquare;
7537 DrawPosition(FALSE, boards[currentMove]);
7538 fromX = fromY = -1; clearFlag = 0;
7541 if (appData.animateDragging) {
7542 /* Undo animation damage if any */
7543 DrawPosition(FALSE, NULL);
7545 if (second || sweepSelecting) {
7546 /* Second up/down in same square; just abort move */
7547 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7548 second = sweepSelecting = 0;
7550 gatingPiece = EmptySquare;
7551 MarkTargetSquares(1);
7554 ClearPremoveHighlights();
7556 /* First upclick in same square; start click-click mode */
7557 SetHighlights(x, y, -1, -1);
7564 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && (x != killX || y != killY) && !sweepSelecting) {
7565 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7566 DisplayMessage(_("only marked squares are legal"),"");
7567 DrawPosition(TRUE, NULL);
7568 return; // ignore to-click
7571 /* we now have a different from- and (possibly off-board) to-square */
7572 /* Completed move */
7573 if(!sweepSelecting) {
7578 piece = boards[currentMove][fromY][fromX];
7580 saveAnimate = appData.animate;
7581 if (clickType == Press) {
7582 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7583 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7584 // must be Edit Position mode with empty-square selected
7585 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7586 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7589 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7592 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7593 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7595 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7596 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7597 if(appData.sweepSelect) {
7598 promoSweep = defaultPromoChoice;
7599 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7600 selectFlag = 0; lastX = xPix; lastY = yPix;
7601 Sweep(0); // Pawn that is going to promote: preview promotion piece
7603 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7604 MarkTargetSquares(1);
7606 return; // promo popup appears on up-click
7608 /* Finish clickclick move */
7609 if (appData.animate || appData.highlightLastMove) {
7610 SetHighlights(fromX, fromY, toX, toY);
7614 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7615 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7616 if (appData.animate || appData.highlightLastMove) {
7617 SetHighlights(fromX, fromY, toX, toY);
7623 // [HGM] this must be done after the move is made, as with arrow it could lead to a board redraw with piece still on from square
7624 /* Finish drag move */
7625 if (appData.highlightLastMove) {
7626 SetHighlights(fromX, fromY, toX, toY);
7631 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7632 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7633 dragging *= 2; // flag button-less dragging if we are dragging
7634 MarkTargetSquares(1);
7635 if(x == killX && y == killY) killX = killY = -1; else {
7636 killX = x; killY = y; //remeber this square as intermediate
7637 ReportClick("put", x, y); // and inform engine
7638 ReportClick("lift", x, y);
7639 MarkTargetSquares(0);
7643 DragPieceEnd(xPix, yPix); dragging = 0;
7644 /* Don't animate move and drag both */
7645 appData.animate = FALSE;
7648 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7649 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7650 ChessSquare piece = boards[currentMove][fromY][fromX];
7651 if(gameMode == EditPosition && piece != EmptySquare &&
7652 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7655 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7656 n = PieceToNumber(piece - (int)BlackPawn);
7657 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7658 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7659 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7661 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7662 n = PieceToNumber(piece);
7663 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7664 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7665 boards[currentMove][n][BOARD_WIDTH-2]++;
7667 boards[currentMove][fromY][fromX] = EmptySquare;
7671 MarkTargetSquares(1);
7672 DrawPosition(TRUE, boards[currentMove]);
7676 // off-board moves should not be highlighted
7677 if(x < 0 || y < 0) ClearHighlights();
7678 else ReportClick("put", x, y);
7680 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7682 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7683 SetHighlights(fromX, fromY, toX, toY);
7684 MarkTargetSquares(1);
7685 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7686 // [HGM] super: promotion to captured piece selected from holdings
7687 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7688 promotionChoice = TRUE;
7689 // kludge follows to temporarily execute move on display, without promoting yet
7690 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7691 boards[currentMove][toY][toX] = p;
7692 DrawPosition(FALSE, boards[currentMove]);
7693 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7694 boards[currentMove][toY][toX] = q;
7695 DisplayMessage("Click in holdings to choose piece", "");
7698 PromotionPopUp(promoChoice);
7700 int oldMove = currentMove;
7701 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7702 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7703 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7704 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7705 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7706 DrawPosition(TRUE, boards[currentMove]);
7707 MarkTargetSquares(1);
7710 appData.animate = saveAnimate;
7711 if (appData.animate || appData.animateDragging) {
7712 /* Undo animation damage if needed */
7713 DrawPosition(FALSE, NULL);
7718 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7719 { // front-end-free part taken out of PieceMenuPopup
7720 int whichMenu; int xSqr, ySqr;
7722 if(seekGraphUp) { // [HGM] seekgraph
7723 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7724 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7728 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7729 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7730 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7731 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7732 if(action == Press) {
7733 originalFlip = flipView;
7734 flipView = !flipView; // temporarily flip board to see game from partners perspective
7735 DrawPosition(TRUE, partnerBoard);
7736 DisplayMessage(partnerStatus, "");
7738 } else if(action == Release) {
7739 flipView = originalFlip;
7740 DrawPosition(TRUE, boards[currentMove]);
7746 xSqr = EventToSquare(x, BOARD_WIDTH);
7747 ySqr = EventToSquare(y, BOARD_HEIGHT);
7748 if (action == Release) {
7749 if(pieceSweep != EmptySquare) {
7750 EditPositionMenuEvent(pieceSweep, toX, toY);
7751 pieceSweep = EmptySquare;
7752 } else UnLoadPV(); // [HGM] pv
7754 if (action != Press) return -2; // return code to be ignored
7757 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7759 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7760 if (xSqr < 0 || ySqr < 0) return -1;
7761 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7762 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7763 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7764 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7768 if(!appData.icsEngineAnalyze) return -1;
7769 case IcsPlayingWhite:
7770 case IcsPlayingBlack:
7771 if(!appData.zippyPlay) goto noZip;
7774 case MachinePlaysWhite:
7775 case MachinePlaysBlack:
7776 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7777 if (!appData.dropMenu) {
7779 return 2; // flag front-end to grab mouse events
7781 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7782 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7785 if (xSqr < 0 || ySqr < 0) return -1;
7786 if (!appData.dropMenu || appData.testLegality &&
7787 gameInfo.variant != VariantBughouse &&
7788 gameInfo.variant != VariantCrazyhouse) return -1;
7789 whichMenu = 1; // drop menu
7795 if (((*fromX = xSqr) < 0) ||
7796 ((*fromY = ySqr) < 0)) {
7797 *fromX = *fromY = -1;
7801 *fromX = BOARD_WIDTH - 1 - *fromX;
7803 *fromY = BOARD_HEIGHT - 1 - *fromY;
7809 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7811 // char * hint = lastHint;
7812 FrontEndProgramStats stats;
7814 stats.which = cps == &first ? 0 : 1;
7815 stats.depth = cpstats->depth;
7816 stats.nodes = cpstats->nodes;
7817 stats.score = cpstats->score;
7818 stats.time = cpstats->time;
7819 stats.pv = cpstats->movelist;
7820 stats.hint = lastHint;
7821 stats.an_move_index = 0;
7822 stats.an_move_count = 0;
7824 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7825 stats.hint = cpstats->move_name;
7826 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7827 stats.an_move_count = cpstats->nr_moves;
7830 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
7832 SetProgramStats( &stats );
7836 ClearEngineOutputPane (int which)
7838 static FrontEndProgramStats dummyStats;
7839 dummyStats.which = which;
7840 dummyStats.pv = "#";
7841 SetProgramStats( &dummyStats );
7844 #define MAXPLAYERS 500
7847 TourneyStandings (int display)
7849 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7850 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7851 char result, *p, *names[MAXPLAYERS];
7853 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7854 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7855 names[0] = p = strdup(appData.participants);
7856 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7858 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7860 while(result = appData.results[nr]) {
7861 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7862 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7863 wScore = bScore = 0;
7865 case '+': wScore = 2; break;
7866 case '-': bScore = 2; break;
7867 case '=': wScore = bScore = 1; break;
7869 case '*': return strdup("busy"); // tourney not finished
7877 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7878 for(w=0; w<nPlayers; w++) {
7880 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7881 ranking[w] = b; points[w] = bScore; score[b] = -2;
7883 p = malloc(nPlayers*34+1);
7884 for(w=0; w<nPlayers && w<display; w++)
7885 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7891 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7892 { // count all piece types
7894 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7895 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7896 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7899 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7900 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7901 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7902 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7903 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7904 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7909 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7911 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7912 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7914 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7915 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7916 if(myPawns == 2 && nMine == 3) // KPP
7917 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7918 if(myPawns == 1 && nMine == 2) // KP
7919 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7920 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7921 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7922 if(myPawns) return FALSE;
7923 if(pCnt[WhiteRook+side])
7924 return pCnt[BlackRook-side] ||
7925 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7926 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7927 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7928 if(pCnt[WhiteCannon+side]) {
7929 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7930 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7932 if(pCnt[WhiteKnight+side])
7933 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7938 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7940 VariantClass v = gameInfo.variant;
7942 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7943 if(v == VariantShatranj) return TRUE; // always winnable through baring
7944 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7945 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7947 if(v == VariantXiangqi) {
7948 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7950 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7951 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7952 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7953 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7954 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7955 if(stale) // we have at least one last-rank P plus perhaps C
7956 return majors // KPKX
7957 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7959 return pCnt[WhiteFerz+side] // KCAK
7960 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7961 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7962 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7964 } else if(v == VariantKnightmate) {
7965 if(nMine == 1) return FALSE;
7966 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7967 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7968 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7970 if(nMine == 1) return FALSE; // bare King
7971 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
7972 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7973 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7974 // by now we have King + 1 piece (or multiple Bishops on the same color)
7975 if(pCnt[WhiteKnight+side])
7976 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7977 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7978 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7980 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7981 if(pCnt[WhiteAlfil+side])
7982 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7983 if(pCnt[WhiteWazir+side])
7984 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
7991 CompareWithRights (Board b1, Board b2)
7994 if(!CompareBoards(b1, b2)) return FALSE;
7995 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
7996 /* compare castling rights */
7997 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
7998 rights++; /* King lost rights, while rook still had them */
7999 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8000 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8001 rights++; /* but at least one rook lost them */
8003 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8005 if( b1[CASTLING][5] != NoRights ) {
8006 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8013 Adjudicate (ChessProgramState *cps)
8014 { // [HGM] some adjudications useful with buggy engines
8015 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8016 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8017 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8018 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8019 int k, drop, count = 0; static int bare = 1;
8020 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8021 Boolean canAdjudicate = !appData.icsActive;
8023 // most tests only when we understand the game, i.e. legality-checking on
8024 if( appData.testLegality )
8025 { /* [HGM] Some more adjudications for obstinate engines */
8026 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
8027 static int moveCount = 6;
8029 char *reason = NULL;
8031 /* Count what is on board. */
8032 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8034 /* Some material-based adjudications that have to be made before stalemate test */
8035 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8036 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8037 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8038 if(canAdjudicate && appData.checkMates) {
8040 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8041 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8042 "Xboard adjudication: King destroyed", GE_XBOARD );
8047 /* Bare King in Shatranj (loses) or Losers (wins) */
8048 if( nrW == 1 || nrB == 1) {
8049 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8050 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8051 if(canAdjudicate && appData.checkMates) {
8053 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8054 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8055 "Xboard adjudication: Bare king", GE_XBOARD );
8059 if( gameInfo.variant == VariantShatranj && --bare < 0)
8061 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8062 if(canAdjudicate && appData.checkMates) {
8063 /* but only adjudicate if adjudication enabled */
8065 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8066 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8067 "Xboard adjudication: Bare king", GE_XBOARD );
8074 // don't wait for engine to announce game end if we can judge ourselves
8075 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8077 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8078 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8079 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8080 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8083 reason = "Xboard adjudication: 3rd check";
8084 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8095 reason = "Xboard adjudication: Stalemate";
8096 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8097 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8098 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8099 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8100 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8101 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8102 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8103 EP_CHECKMATE : EP_WINS);
8104 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8105 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8109 reason = "Xboard adjudication: Checkmate";
8110 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8111 if(gameInfo.variant == VariantShogi) {
8112 if(forwardMostMove > backwardMostMove
8113 && moveList[forwardMostMove-1][1] == '@'
8114 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8115 reason = "XBoard adjudication: pawn-drop mate";
8116 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8122 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8124 result = GameIsDrawn; break;
8126 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8128 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8132 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8134 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8135 GameEnds( result, reason, GE_XBOARD );
8139 /* Next absolutely insufficient mating material. */
8140 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8141 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8142 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8144 /* always flag draws, for judging claims */
8145 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8147 if(canAdjudicate && appData.materialDraws) {
8148 /* but only adjudicate them if adjudication enabled */
8149 if(engineOpponent) {
8150 SendToProgram("force\n", engineOpponent); // suppress reply
8151 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8153 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8158 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8159 if(gameInfo.variant == VariantXiangqi ?
8160 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8162 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8163 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8164 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8165 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8167 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8168 { /* if the first 3 moves do not show a tactical win, declare draw */
8169 if(engineOpponent) {
8170 SendToProgram("force\n", engineOpponent); // suppress reply
8171 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8173 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8176 } else moveCount = 6;
8179 // Repetition draws and 50-move rule can be applied independently of legality testing
8181 /* Check for rep-draws */
8183 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8184 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8185 for(k = forwardMostMove-2;
8186 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8187 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8188 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8191 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8192 /* compare castling rights */
8193 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8194 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8195 rights++; /* King lost rights, while rook still had them */
8196 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8197 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8198 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8199 rights++; /* but at least one rook lost them */
8201 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8202 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8204 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8205 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8206 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8209 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8210 && appData.drawRepeats > 1) {
8211 /* adjudicate after user-specified nr of repeats */
8212 int result = GameIsDrawn;
8213 char *details = "XBoard adjudication: repetition draw";
8214 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8215 // [HGM] xiangqi: check for forbidden perpetuals
8216 int m, ourPerpetual = 1, hisPerpetual = 1;
8217 for(m=forwardMostMove; m>k; m-=2) {
8218 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8219 ourPerpetual = 0; // the current mover did not always check
8220 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8221 hisPerpetual = 0; // the opponent did not always check
8223 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8224 ourPerpetual, hisPerpetual);
8225 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8226 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8227 details = "Xboard adjudication: perpetual checking";
8229 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8230 break; // (or we would have caught him before). Abort repetition-checking loop.
8232 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8233 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8235 details = "Xboard adjudication: repetition";
8237 } else // it must be XQ
8238 // Now check for perpetual chases
8239 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8240 hisPerpetual = PerpetualChase(k, forwardMostMove);
8241 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8242 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8243 static char resdet[MSG_SIZ];
8244 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8246 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8248 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8249 break; // Abort repetition-checking loop.
8251 // if neither of us is checking or chasing all the time, or both are, it is draw
8253 if(engineOpponent) {
8254 SendToProgram("force\n", engineOpponent); // suppress reply
8255 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8257 GameEnds( result, details, GE_XBOARD );
8260 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8261 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8265 /* Now we test for 50-move draws. Determine ply count */
8266 count = forwardMostMove;
8267 /* look for last irreversble move */
8268 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8270 /* if we hit starting position, add initial plies */
8271 if( count == backwardMostMove )
8272 count -= initialRulePlies;
8273 count = forwardMostMove - count;
8274 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8275 // adjust reversible move counter for checks in Xiangqi
8276 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8277 if(i < backwardMostMove) i = backwardMostMove;
8278 while(i <= forwardMostMove) {
8279 lastCheck = inCheck; // check evasion does not count
8280 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8281 if(inCheck || lastCheck) count--; // check does not count
8286 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8287 /* this is used to judge if draw claims are legal */
8288 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8289 if(engineOpponent) {
8290 SendToProgram("force\n", engineOpponent); // suppress reply
8291 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8293 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8297 /* if draw offer is pending, treat it as a draw claim
8298 * when draw condition present, to allow engines a way to
8299 * claim draws before making their move to avoid a race
8300 * condition occurring after their move
8302 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8304 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8305 p = "Draw claim: 50-move rule";
8306 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8307 p = "Draw claim: 3-fold repetition";
8308 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8309 p = "Draw claim: insufficient mating material";
8310 if( p != NULL && canAdjudicate) {
8311 if(engineOpponent) {
8312 SendToProgram("force\n", engineOpponent); // suppress reply
8313 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8315 GameEnds( GameIsDrawn, p, GE_XBOARD );
8320 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8321 if(engineOpponent) {
8322 SendToProgram("force\n", engineOpponent); // suppress reply
8323 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8325 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8331 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8332 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8333 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8338 int pieces[10], squares[10], cnt=0, r, f, res;
8340 static PPROBE_EGBB probeBB;
8341 if(!appData.testLegality) return 10;
8342 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8343 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8344 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8345 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8346 ChessSquare piece = boards[forwardMostMove][r][f];
8347 int black = (piece >= BlackPawn);
8348 int type = piece - black*BlackPawn;
8349 if(piece == EmptySquare) continue;
8350 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8351 if(type == WhiteKing) type = WhiteQueen + 1;
8352 type = egbbCode[type];
8353 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8354 pieces[cnt] = type + black*6;
8355 if(++cnt > 5) return 11;
8357 pieces[cnt] = squares[cnt] = 0;
8359 if(loaded == 2) return 13; // loading failed before
8361 loaded = 2; // prepare for failure
8362 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8365 if(!path) return 13; // no egbb installed
8366 strncpy(buf, path + 8, MSG_SIZ);
8367 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8368 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8369 lib = LoadLibrary(buf);
8370 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8371 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8372 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8373 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8374 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8375 loaded = 1; // success!
8377 res = probeBB(forwardMostMove & 1, pieces, squares);
8378 return res > 0 ? 1 : res < 0 ? -1 : 0;
8382 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8383 { // [HGM] book: this routine intercepts moves to simulate book replies
8384 char *bookHit = NULL;
8386 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8388 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8389 SendToProgram(buf, cps);
8391 //first determine if the incoming move brings opponent into his book
8392 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8393 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8394 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8395 if(bookHit != NULL && !cps->bookSuspend) {
8396 // make sure opponent is not going to reply after receiving move to book position
8397 SendToProgram("force\n", cps);
8398 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8400 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8401 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8402 // now arrange restart after book miss
8404 // after a book hit we never send 'go', and the code after the call to this routine
8405 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8406 char buf[MSG_SIZ], *move = bookHit;
8408 int fromX, fromY, toX, toY;
8412 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8413 &fromX, &fromY, &toX, &toY, &promoChar)) {
8414 (void) CoordsToAlgebraic(boards[forwardMostMove],
8415 PosFlags(forwardMostMove),
8416 fromY, fromX, toY, toX, promoChar, move);
8418 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8422 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8423 SendToProgram(buf, cps);
8424 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8425 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8426 SendToProgram("go\n", cps);
8427 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8428 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8429 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8430 SendToProgram("go\n", cps);
8431 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8433 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8437 LoadError (char *errmess, ChessProgramState *cps)
8438 { // unloads engine and switches back to -ncp mode if it was first
8439 if(cps->initDone) return FALSE;
8440 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8441 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8444 appData.noChessProgram = TRUE;
8445 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8446 gameMode = BeginningOfGame; ModeHighlight();
8449 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8450 DisplayMessage("", ""); // erase waiting message
8451 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8456 ChessProgramState *savedState;
8458 DeferredBookMove (void)
8460 if(savedState->lastPing != savedState->lastPong)
8461 ScheduleDelayedEvent(DeferredBookMove, 10);
8463 HandleMachineMove(savedMessage, savedState);
8466 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8467 static ChessProgramState *stalledEngine;
8468 static char stashedInputMove[MSG_SIZ];
8471 HandleMachineMove (char *message, ChessProgramState *cps)
8473 static char firstLeg[20];
8474 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8475 char realname[MSG_SIZ];
8476 int fromX, fromY, toX, toY;
8478 char promoChar, roar;
8480 int machineWhite, oldError;
8483 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8484 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8485 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8486 DisplayError(_("Invalid pairing from pairing engine"), 0);
8489 pairingReceived = 1;
8491 return; // Skim the pairing messages here.
8494 oldError = cps->userError; cps->userError = 0;
8496 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8498 * Kludge to ignore BEL characters
8500 while (*message == '\007') message++;
8503 * [HGM] engine debug message: ignore lines starting with '#' character
8505 if(cps->debug && *message == '#') return;
8508 * Look for book output
8510 if (cps == &first && bookRequested) {
8511 if (message[0] == '\t' || message[0] == ' ') {
8512 /* Part of the book output is here; append it */
8513 strcat(bookOutput, message);
8514 strcat(bookOutput, " \n");
8516 } else if (bookOutput[0] != NULLCHAR) {
8517 /* All of book output has arrived; display it */
8518 char *p = bookOutput;
8519 while (*p != NULLCHAR) {
8520 if (*p == '\t') *p = ' ';
8523 DisplayInformation(bookOutput);
8524 bookRequested = FALSE;
8525 /* Fall through to parse the current output */
8530 * Look for machine move.
8532 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8533 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8535 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8536 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8537 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8538 stalledEngine = cps;
8539 if(appData.ponderNextMove) { // bring opponent out of ponder
8540 if(gameMode == TwoMachinesPlay) {
8541 if(cps->other->pause)
8542 PauseEngine(cps->other);
8544 SendToProgram("easy\n", cps->other);
8551 /* This method is only useful on engines that support ping */
8552 if (cps->lastPing != cps->lastPong) {
8553 if (gameMode == BeginningOfGame) {
8554 /* Extra move from before last new; ignore */
8555 if (appData.debugMode) {
8556 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8559 if (appData.debugMode) {
8560 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8561 cps->which, gameMode);
8564 SendToProgram("undo\n", cps);
8570 case BeginningOfGame:
8571 /* Extra move from before last reset; ignore */
8572 if (appData.debugMode) {
8573 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8580 /* Extra move after we tried to stop. The mode test is
8581 not a reliable way of detecting this problem, but it's
8582 the best we can do on engines that don't support ping.
8584 if (appData.debugMode) {
8585 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8586 cps->which, gameMode);
8588 SendToProgram("undo\n", cps);
8591 case MachinePlaysWhite:
8592 case IcsPlayingWhite:
8593 machineWhite = TRUE;
8596 case MachinePlaysBlack:
8597 case IcsPlayingBlack:
8598 machineWhite = FALSE;
8601 case TwoMachinesPlay:
8602 machineWhite = (cps->twoMachinesColor[0] == 'w');
8605 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8606 if (appData.debugMode) {
8608 "Ignoring move out of turn by %s, gameMode %d"
8609 ", forwardMost %d\n",
8610 cps->which, gameMode, forwardMostMove);
8615 if(cps->alphaRank) AlphaRank(machineMove, 4);
8617 // [HGM] lion: (some very limited) support for Alien protocol
8619 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8620 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8622 } else if(firstLeg[0]) { // there was a previous leg;
8623 // only support case where same piece makes two step (and don't even test that!)
8624 char buf[20], *p = machineMove+1, *q = buf+1, f;
8625 safeStrCpy(buf, machineMove, 20);
8626 while(isdigit(*q)) q++; // find start of to-square
8627 safeStrCpy(machineMove, firstLeg, 20);
8628 while(isdigit(*p)) p++;
8629 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8630 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8631 firstLeg[0] = NULLCHAR;
8634 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8635 &fromX, &fromY, &toX, &toY, &promoChar)) {
8636 /* Machine move could not be parsed; ignore it. */
8637 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8638 machineMove, _(cps->which));
8639 DisplayMoveError(buf1);
8640 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8641 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8642 if (gameMode == TwoMachinesPlay) {
8643 GameEnds(machineWhite ? BlackWins : WhiteWins,
8649 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8650 /* So we have to redo legality test with true e.p. status here, */
8651 /* to make sure an illegal e.p. capture does not slip through, */
8652 /* to cause a forfeit on a justified illegal-move complaint */
8653 /* of the opponent. */
8654 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8656 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8657 fromY, fromX, toY, toX, promoChar);
8658 if(moveType == IllegalMove) {
8659 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8660 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8661 GameEnds(machineWhite ? BlackWins : WhiteWins,
8664 } else if(!appData.fischerCastling)
8665 /* [HGM] Kludge to handle engines that send FRC-style castling
8666 when they shouldn't (like TSCP-Gothic) */
8668 case WhiteASideCastleFR:
8669 case BlackASideCastleFR:
8671 currentMoveString[2]++;
8673 case WhiteHSideCastleFR:
8674 case BlackHSideCastleFR:
8676 currentMoveString[2]--;
8678 default: ; // nothing to do, but suppresses warning of pedantic compilers
8681 hintRequested = FALSE;
8682 lastHint[0] = NULLCHAR;
8683 bookRequested = FALSE;
8684 /* Program may be pondering now */
8685 cps->maybeThinking = TRUE;
8686 if (cps->sendTime == 2) cps->sendTime = 1;
8687 if (cps->offeredDraw) cps->offeredDraw--;
8689 /* [AS] Save move info*/
8690 pvInfoList[ forwardMostMove ].score = programStats.score;
8691 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8692 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8694 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8696 /* Test suites abort the 'game' after one move */
8697 if(*appData.finger) {
8699 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8700 if(!f) f = fopen(appData.finger, "w");
8701 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8702 else { DisplayFatalError("Bad output file", errno, 0); return; }
8704 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8707 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8708 if( gameMode == TwoMachinesPlay && adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8711 while( count < adjudicateLossPlies ) {
8712 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8715 score = -score; /* Flip score for winning side */
8718 if( score > adjudicateLossThreshold ) {
8725 if( count >= adjudicateLossPlies ) {
8726 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8728 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8729 "Xboard adjudication",
8736 if(Adjudicate(cps)) {
8737 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8738 return; // [HGM] adjudicate: for all automatic game ends
8742 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8744 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8745 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8747 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8749 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8751 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8752 char buf[3*MSG_SIZ];
8754 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8755 programStats.score / 100.,
8757 programStats.time / 100.,
8758 (unsigned int)programStats.nodes,
8759 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8760 programStats.movelist);
8762 if(appData.debugMode) fprintf(debugFP, "nodes = %d, %lld\n", (int) programStats.nodes, programStats.nodes);
8767 /* [AS] Clear stats for next move */
8768 ClearProgramStats();
8769 thinkOutput[0] = NULLCHAR;
8770 hiddenThinkOutputState = 0;
8773 if (gameMode == TwoMachinesPlay) {
8774 /* [HGM] relaying draw offers moved to after reception of move */
8775 /* and interpreting offer as claim if it brings draw condition */
8776 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8777 SendToProgram("draw\n", cps->other);
8779 if (cps->other->sendTime) {
8780 SendTimeRemaining(cps->other,
8781 cps->other->twoMachinesColor[0] == 'w');
8783 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8784 if (firstMove && !bookHit) {
8786 if (cps->other->useColors) {
8787 SendToProgram(cps->other->twoMachinesColor, cps->other);
8789 SendToProgram("go\n", cps->other);
8791 cps->other->maybeThinking = TRUE;
8794 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8796 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8798 if (!pausing && appData.ringBellAfterMoves) {
8799 if(!roar) RingBell();
8803 * Reenable menu items that were disabled while
8804 * machine was thinking
8806 if (gameMode != TwoMachinesPlay)
8807 SetUserThinkingEnables();
8809 // [HGM] book: after book hit opponent has received move and is now in force mode
8810 // force the book reply into it, and then fake that it outputted this move by jumping
8811 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8813 static char bookMove[MSG_SIZ]; // a bit generous?
8815 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8816 strcat(bookMove, bookHit);
8819 programStats.nodes = programStats.depth = programStats.time =
8820 programStats.score = programStats.got_only_move = 0;
8821 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8823 if(cps->lastPing != cps->lastPong) {
8824 savedMessage = message; // args for deferred call
8826 ScheduleDelayedEvent(DeferredBookMove, 10);
8835 /* Set special modes for chess engines. Later something general
8836 * could be added here; for now there is just one kludge feature,
8837 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8838 * when "xboard" is given as an interactive command.
8840 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8841 cps->useSigint = FALSE;
8842 cps->useSigterm = FALSE;
8844 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8845 ParseFeatures(message+8, cps);
8846 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8849 if (!strncmp(message, "setup ", 6) &&
8850 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8851 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8852 ) { // [HGM] allow first engine to define opening position
8853 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8854 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8856 if(sscanf(message, "setup (%s", buf) == 1) s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8857 if(startedFromSetupPosition) return;
8858 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8860 while(message[s] && message[s++] != ' ');
8861 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8862 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8863 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8864 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8865 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8866 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8869 ParseFEN(boards[0], &dummy, message+s, FALSE);
8870 DrawPosition(TRUE, boards[0]);
8871 startedFromSetupPosition = TRUE;
8874 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8875 * want this, I was asked to put it in, and obliged.
8877 if (!strncmp(message, "setboard ", 9)) {
8878 Board initial_position;
8880 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8882 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8883 DisplayError(_("Bad FEN received from engine"), 0);
8887 CopyBoard(boards[0], initial_position);
8888 initialRulePlies = FENrulePlies;
8889 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8890 else gameMode = MachinePlaysBlack;
8891 DrawPosition(FALSE, boards[currentMove]);
8897 * Look for communication commands
8899 if (!strncmp(message, "telluser ", 9)) {
8900 if(message[9] == '\\' && message[10] == '\\')
8901 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8903 DisplayNote(message + 9);
8906 if (!strncmp(message, "tellusererror ", 14)) {
8908 if(message[14] == '\\' && message[15] == '\\')
8909 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8911 DisplayError(message + 14, 0);
8914 if (!strncmp(message, "tellopponent ", 13)) {
8915 if (appData.icsActive) {
8917 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8921 DisplayNote(message + 13);
8925 if (!strncmp(message, "tellothers ", 11)) {
8926 if (appData.icsActive) {
8928 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8931 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8934 if (!strncmp(message, "tellall ", 8)) {
8935 if (appData.icsActive) {
8937 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8941 DisplayNote(message + 8);
8945 if (strncmp(message, "warning", 7) == 0) {
8946 /* Undocumented feature, use tellusererror in new code */
8947 DisplayError(message, 0);
8950 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8951 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8952 strcat(realname, " query");
8953 AskQuestion(realname, buf2, buf1, cps->pr);
8956 /* Commands from the engine directly to ICS. We don't allow these to be
8957 * sent until we are logged on. Crafty kibitzes have been known to
8958 * interfere with the login process.
8961 if (!strncmp(message, "tellics ", 8)) {
8962 SendToICS(message + 8);
8966 if (!strncmp(message, "tellicsnoalias ", 15)) {
8967 SendToICS(ics_prefix);
8968 SendToICS(message + 15);
8972 /* The following are for backward compatibility only */
8973 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8974 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8975 SendToICS(ics_prefix);
8981 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8982 if(initPing == cps->lastPong) {
8983 if(gameInfo.variant == VariantUnknown) {
8984 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
8985 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
8986 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8992 if(!strncmp(message, "highlight ", 10)) {
8993 if(appData.testLegality && appData.markers) return;
8994 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
8997 if(!strncmp(message, "click ", 6)) {
8998 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
8999 if(appData.testLegality || !appData.oneClick) return;
9000 sscanf(message+6, "%c%d%c", &f, &y, &c);
9001 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9002 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9003 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9004 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9005 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9006 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9007 LeftClick(Release, lastLeftX, lastLeftY);
9008 controlKey = (c == ',');
9009 LeftClick(Press, x, y);
9010 LeftClick(Release, x, y);
9011 first.highlight = f;
9015 * If the move is illegal, cancel it and redraw the board.
9016 * Also deal with other error cases. Matching is rather loose
9017 * here to accommodate engines written before the spec.
9019 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9020 strncmp(message, "Error", 5) == 0) {
9021 if (StrStr(message, "name") ||
9022 StrStr(message, "rating") || StrStr(message, "?") ||
9023 StrStr(message, "result") || StrStr(message, "board") ||
9024 StrStr(message, "bk") || StrStr(message, "computer") ||
9025 StrStr(message, "variant") || StrStr(message, "hint") ||
9026 StrStr(message, "random") || StrStr(message, "depth") ||
9027 StrStr(message, "accepted")) {
9030 if (StrStr(message, "protover")) {
9031 /* Program is responding to input, so it's apparently done
9032 initializing, and this error message indicates it is
9033 protocol version 1. So we don't need to wait any longer
9034 for it to initialize and send feature commands. */
9035 FeatureDone(cps, 1);
9036 cps->protocolVersion = 1;
9039 cps->maybeThinking = FALSE;
9041 if (StrStr(message, "draw")) {
9042 /* Program doesn't have "draw" command */
9043 cps->sendDrawOffers = 0;
9046 if (cps->sendTime != 1 &&
9047 (StrStr(message, "time") || StrStr(message, "otim"))) {
9048 /* Program apparently doesn't have "time" or "otim" command */
9052 if (StrStr(message, "analyze")) {
9053 cps->analysisSupport = FALSE;
9054 cps->analyzing = FALSE;
9055 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9056 EditGameEvent(); // [HGM] try to preserve loaded game
9057 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9058 DisplayError(buf2, 0);
9061 if (StrStr(message, "(no matching move)st")) {
9062 /* Special kludge for GNU Chess 4 only */
9063 cps->stKludge = TRUE;
9064 SendTimeControl(cps, movesPerSession, timeControl,
9065 timeIncrement, appData.searchDepth,
9069 if (StrStr(message, "(no matching move)sd")) {
9070 /* Special kludge for GNU Chess 4 only */
9071 cps->sdKludge = TRUE;
9072 SendTimeControl(cps, movesPerSession, timeControl,
9073 timeIncrement, appData.searchDepth,
9077 if (!StrStr(message, "llegal")) {
9080 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9081 gameMode == IcsIdle) return;
9082 if (forwardMostMove <= backwardMostMove) return;
9083 if (pausing) PauseEvent();
9084 if(appData.forceIllegal) {
9085 // [HGM] illegal: machine refused move; force position after move into it
9086 SendToProgram("force\n", cps);
9087 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9088 // we have a real problem now, as SendBoard will use the a2a3 kludge
9089 // when black is to move, while there might be nothing on a2 or black
9090 // might already have the move. So send the board as if white has the move.
9091 // But first we must change the stm of the engine, as it refused the last move
9092 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9093 if(WhiteOnMove(forwardMostMove)) {
9094 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9095 SendBoard(cps, forwardMostMove); // kludgeless board
9097 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9098 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9099 SendBoard(cps, forwardMostMove+1); // kludgeless board
9101 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9102 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9103 gameMode == TwoMachinesPlay)
9104 SendToProgram("go\n", cps);
9107 if (gameMode == PlayFromGameFile) {
9108 /* Stop reading this game file */
9109 gameMode = EditGame;
9112 /* [HGM] illegal-move claim should forfeit game when Xboard */
9113 /* only passes fully legal moves */
9114 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9115 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9116 "False illegal-move claim", GE_XBOARD );
9117 return; // do not take back move we tested as valid
9119 currentMove = forwardMostMove-1;
9120 DisplayMove(currentMove-1); /* before DisplayMoveError */
9121 SwitchClocks(forwardMostMove-1); // [HGM] race
9122 DisplayBothClocks();
9123 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9124 parseList[currentMove], _(cps->which));
9125 DisplayMoveError(buf1);
9126 DrawPosition(FALSE, boards[currentMove]);
9128 SetUserThinkingEnables();
9131 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9132 /* Program has a broken "time" command that
9133 outputs a string not ending in newline.
9139 * If chess program startup fails, exit with an error message.
9140 * Attempts to recover here are futile. [HGM] Well, we try anyway
9142 if ((StrStr(message, "unknown host") != NULL)
9143 || (StrStr(message, "No remote directory") != NULL)
9144 || (StrStr(message, "not found") != NULL)
9145 || (StrStr(message, "No such file") != NULL)
9146 || (StrStr(message, "can't alloc") != NULL)
9147 || (StrStr(message, "Permission denied") != NULL)) {
9149 cps->maybeThinking = FALSE;
9150 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9151 _(cps->which), cps->program, cps->host, message);
9152 RemoveInputSource(cps->isr);
9153 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9154 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9155 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9161 * Look for hint output
9163 if (sscanf(message, "Hint: %s", buf1) == 1) {
9164 if (cps == &first && hintRequested) {
9165 hintRequested = FALSE;
9166 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9167 &fromX, &fromY, &toX, &toY, &promoChar)) {
9168 (void) CoordsToAlgebraic(boards[forwardMostMove],
9169 PosFlags(forwardMostMove),
9170 fromY, fromX, toY, toX, promoChar, buf1);
9171 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9172 DisplayInformation(buf2);
9174 /* Hint move could not be parsed!? */
9175 snprintf(buf2, sizeof(buf2),
9176 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9177 buf1, _(cps->which));
9178 DisplayError(buf2, 0);
9181 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9187 * Ignore other messages if game is not in progress
9189 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9190 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9193 * look for win, lose, draw, or draw offer
9195 if (strncmp(message, "1-0", 3) == 0) {
9196 char *p, *q, *r = "";
9197 p = strchr(message, '{');
9205 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9207 } else if (strncmp(message, "0-1", 3) == 0) {
9208 char *p, *q, *r = "";
9209 p = strchr(message, '{');
9217 /* Kludge for Arasan 4.1 bug */
9218 if (strcmp(r, "Black resigns") == 0) {
9219 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9222 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9224 } else if (strncmp(message, "1/2", 3) == 0) {
9225 char *p, *q, *r = "";
9226 p = strchr(message, '{');
9235 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9238 } else if (strncmp(message, "White resign", 12) == 0) {
9239 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9241 } else if (strncmp(message, "Black resign", 12) == 0) {
9242 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9244 } else if (strncmp(message, "White matches", 13) == 0 ||
9245 strncmp(message, "Black matches", 13) == 0 ) {
9246 /* [HGM] ignore GNUShogi noises */
9248 } else if (strncmp(message, "White", 5) == 0 &&
9249 message[5] != '(' &&
9250 StrStr(message, "Black") == NULL) {
9251 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9253 } else if (strncmp(message, "Black", 5) == 0 &&
9254 message[5] != '(') {
9255 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9257 } else if (strcmp(message, "resign") == 0 ||
9258 strcmp(message, "computer resigns") == 0) {
9260 case MachinePlaysBlack:
9261 case IcsPlayingBlack:
9262 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9264 case MachinePlaysWhite:
9265 case IcsPlayingWhite:
9266 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9268 case TwoMachinesPlay:
9269 if (cps->twoMachinesColor[0] == 'w')
9270 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9272 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9279 } else if (strncmp(message, "opponent mates", 14) == 0) {
9281 case MachinePlaysBlack:
9282 case IcsPlayingBlack:
9283 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9285 case MachinePlaysWhite:
9286 case IcsPlayingWhite:
9287 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9289 case TwoMachinesPlay:
9290 if (cps->twoMachinesColor[0] == 'w')
9291 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9293 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9300 } else if (strncmp(message, "computer mates", 14) == 0) {
9302 case MachinePlaysBlack:
9303 case IcsPlayingBlack:
9304 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9306 case MachinePlaysWhite:
9307 case IcsPlayingWhite:
9308 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9310 case TwoMachinesPlay:
9311 if (cps->twoMachinesColor[0] == 'w')
9312 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9314 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9321 } else if (strncmp(message, "checkmate", 9) == 0) {
9322 if (WhiteOnMove(forwardMostMove)) {
9323 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9325 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9328 } else if (strstr(message, "Draw") != NULL ||
9329 strstr(message, "game is a draw") != NULL) {
9330 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9332 } else if (strstr(message, "offer") != NULL &&
9333 strstr(message, "draw") != NULL) {
9335 if (appData.zippyPlay && first.initDone) {
9336 /* Relay offer to ICS */
9337 SendToICS(ics_prefix);
9338 SendToICS("draw\n");
9341 cps->offeredDraw = 2; /* valid until this engine moves twice */
9342 if (gameMode == TwoMachinesPlay) {
9343 if (cps->other->offeredDraw) {
9344 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9345 /* [HGM] in two-machine mode we delay relaying draw offer */
9346 /* until after we also have move, to see if it is really claim */
9348 } else if (gameMode == MachinePlaysWhite ||
9349 gameMode == MachinePlaysBlack) {
9350 if (userOfferedDraw) {
9351 DisplayInformation(_("Machine accepts your draw offer"));
9352 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9354 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9361 * Look for thinking output
9363 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9364 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9366 int plylev, mvleft, mvtot, curscore, time;
9367 char mvname[MOVE_LEN];
9371 int prefixHint = FALSE;
9372 mvname[0] = NULLCHAR;
9375 case MachinePlaysBlack:
9376 case IcsPlayingBlack:
9377 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9379 case MachinePlaysWhite:
9380 case IcsPlayingWhite:
9381 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9386 case IcsObserving: /* [DM] icsEngineAnalyze */
9387 if (!appData.icsEngineAnalyze) ignore = TRUE;
9389 case TwoMachinesPlay:
9390 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9400 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9402 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9403 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9405 if (plyext != ' ' && plyext != '\t') {
9409 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9410 if( cps->scoreIsAbsolute &&
9411 ( gameMode == MachinePlaysBlack ||
9412 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9413 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9414 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9415 !WhiteOnMove(currentMove)
9418 curscore = -curscore;
9421 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9423 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9426 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9427 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9428 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9429 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9430 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9431 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9435 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9436 DisplayError(_("failed writing PV"), 0);
9439 tempStats.depth = plylev;
9440 tempStats.nodes = nodes;
9441 tempStats.time = time;
9442 tempStats.score = curscore;
9443 tempStats.got_only_move = 0;
9445 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9448 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9449 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9450 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9451 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9452 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9453 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9454 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9455 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9458 /* Buffer overflow protection */
9459 if (pv[0] != NULLCHAR) {
9460 if (strlen(pv) >= sizeof(tempStats.movelist)
9461 && appData.debugMode) {
9463 "PV is too long; using the first %u bytes.\n",
9464 (unsigned) sizeof(tempStats.movelist) - 1);
9467 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9469 sprintf(tempStats.movelist, " no PV\n");
9472 if (tempStats.seen_stat) {
9473 tempStats.ok_to_send = 1;
9476 if (strchr(tempStats.movelist, '(') != NULL) {
9477 tempStats.line_is_book = 1;
9478 tempStats.nr_moves = 0;
9479 tempStats.moves_left = 0;
9481 tempStats.line_is_book = 0;
9484 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9485 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9487 SendProgramStatsToFrontend( cps, &tempStats );
9490 [AS] Protect the thinkOutput buffer from overflow... this
9491 is only useful if buf1 hasn't overflowed first!
9493 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9495 (gameMode == TwoMachinesPlay ?
9496 ToUpper(cps->twoMachinesColor[0]) : ' '),
9497 ((double) curscore) / 100.0,
9498 prefixHint ? lastHint : "",
9499 prefixHint ? " " : "" );
9501 if( buf1[0] != NULLCHAR ) {
9502 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9504 if( strlen(pv) > max_len ) {
9505 if( appData.debugMode) {
9506 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9508 pv[max_len+1] = '\0';
9511 strcat( thinkOutput, pv);
9514 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9515 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9516 DisplayMove(currentMove - 1);
9520 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9521 /* crafty (9.25+) says "(only move) <move>"
9522 * if there is only 1 legal move
9524 sscanf(p, "(only move) %s", buf1);
9525 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9526 sprintf(programStats.movelist, "%s (only move)", buf1);
9527 programStats.depth = 1;
9528 programStats.nr_moves = 1;
9529 programStats.moves_left = 1;
9530 programStats.nodes = 1;
9531 programStats.time = 1;
9532 programStats.got_only_move = 1;
9534 /* Not really, but we also use this member to
9535 mean "line isn't going to change" (Crafty
9536 isn't searching, so stats won't change) */
9537 programStats.line_is_book = 1;
9539 SendProgramStatsToFrontend( cps, &programStats );
9541 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9542 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9543 DisplayMove(currentMove - 1);
9546 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9547 &time, &nodes, &plylev, &mvleft,
9548 &mvtot, mvname) >= 5) {
9549 /* The stat01: line is from Crafty (9.29+) in response
9550 to the "." command */
9551 programStats.seen_stat = 1;
9552 cps->maybeThinking = TRUE;
9554 if (programStats.got_only_move || !appData.periodicUpdates)
9557 programStats.depth = plylev;
9558 programStats.time = time;
9559 programStats.nodes = nodes;
9560 programStats.moves_left = mvleft;
9561 programStats.nr_moves = mvtot;
9562 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9563 programStats.ok_to_send = 1;
9564 programStats.movelist[0] = '\0';
9566 SendProgramStatsToFrontend( cps, &programStats );
9570 } else if (strncmp(message,"++",2) == 0) {
9571 /* Crafty 9.29+ outputs this */
9572 programStats.got_fail = 2;
9575 } else if (strncmp(message,"--",2) == 0) {
9576 /* Crafty 9.29+ outputs this */
9577 programStats.got_fail = 1;
9580 } else if (thinkOutput[0] != NULLCHAR &&
9581 strncmp(message, " ", 4) == 0) {
9582 unsigned message_len;
9585 while (*p && *p == ' ') p++;
9587 message_len = strlen( p );
9589 /* [AS] Avoid buffer overflow */
9590 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9591 strcat(thinkOutput, " ");
9592 strcat(thinkOutput, p);
9595 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9596 strcat(programStats.movelist, " ");
9597 strcat(programStats.movelist, p);
9600 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9601 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9602 DisplayMove(currentMove - 1);
9610 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9611 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9613 ChessProgramStats cpstats;
9615 if (plyext != ' ' && plyext != '\t') {
9619 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9620 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9621 curscore = -curscore;
9624 cpstats.depth = plylev;
9625 cpstats.nodes = nodes;
9626 cpstats.time = time;
9627 cpstats.score = curscore;
9628 cpstats.got_only_move = 0;
9629 cpstats.movelist[0] = '\0';
9631 if (buf1[0] != NULLCHAR) {
9632 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9635 cpstats.ok_to_send = 0;
9636 cpstats.line_is_book = 0;
9637 cpstats.nr_moves = 0;
9638 cpstats.moves_left = 0;
9640 SendProgramStatsToFrontend( cps, &cpstats );
9647 /* Parse a game score from the character string "game", and
9648 record it as the history of the current game. The game
9649 score is NOT assumed to start from the standard position.
9650 The display is not updated in any way.
9653 ParseGameHistory (char *game)
9656 int fromX, fromY, toX, toY, boardIndex;
9661 if (appData.debugMode)
9662 fprintf(debugFP, "Parsing game history: %s\n", game);
9664 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9665 gameInfo.site = StrSave(appData.icsHost);
9666 gameInfo.date = PGNDate();
9667 gameInfo.round = StrSave("-");
9669 /* Parse out names of players */
9670 while (*game == ' ') game++;
9672 while (*game != ' ') *p++ = *game++;
9674 gameInfo.white = StrSave(buf);
9675 while (*game == ' ') game++;
9677 while (*game != ' ' && *game != '\n') *p++ = *game++;
9679 gameInfo.black = StrSave(buf);
9682 boardIndex = blackPlaysFirst ? 1 : 0;
9685 yyboardindex = boardIndex;
9686 moveType = (ChessMove) Myylex();
9688 case IllegalMove: /* maybe suicide chess, etc. */
9689 if (appData.debugMode) {
9690 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9691 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9692 setbuf(debugFP, NULL);
9694 case WhitePromotion:
9695 case BlackPromotion:
9696 case WhiteNonPromotion:
9697 case BlackNonPromotion:
9700 case WhiteCapturesEnPassant:
9701 case BlackCapturesEnPassant:
9702 case WhiteKingSideCastle:
9703 case WhiteQueenSideCastle:
9704 case BlackKingSideCastle:
9705 case BlackQueenSideCastle:
9706 case WhiteKingSideCastleWild:
9707 case WhiteQueenSideCastleWild:
9708 case BlackKingSideCastleWild:
9709 case BlackQueenSideCastleWild:
9711 case WhiteHSideCastleFR:
9712 case WhiteASideCastleFR:
9713 case BlackHSideCastleFR:
9714 case BlackASideCastleFR:
9716 fromX = currentMoveString[0] - AAA;
9717 fromY = currentMoveString[1] - ONE;
9718 toX = currentMoveString[2] - AAA;
9719 toY = currentMoveString[3] - ONE;
9720 promoChar = currentMoveString[4];
9724 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9725 fromX = moveType == WhiteDrop ?
9726 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9727 (int) CharToPiece(ToLower(currentMoveString[0]));
9729 toX = currentMoveString[2] - AAA;
9730 toY = currentMoveString[3] - ONE;
9731 promoChar = NULLCHAR;
9735 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9736 if (appData.debugMode) {
9737 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9738 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9739 setbuf(debugFP, NULL);
9741 DisplayError(buf, 0);
9743 case ImpossibleMove:
9745 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9746 if (appData.debugMode) {
9747 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9748 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9749 setbuf(debugFP, NULL);
9751 DisplayError(buf, 0);
9754 if (boardIndex < backwardMostMove) {
9755 /* Oops, gap. How did that happen? */
9756 DisplayError(_("Gap in move list"), 0);
9759 backwardMostMove = blackPlaysFirst ? 1 : 0;
9760 if (boardIndex > forwardMostMove) {
9761 forwardMostMove = boardIndex;
9765 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9766 strcat(parseList[boardIndex-1], " ");
9767 strcat(parseList[boardIndex-1], yy_text);
9779 case GameUnfinished:
9780 if (gameMode == IcsExamining) {
9781 if (boardIndex < backwardMostMove) {
9782 /* Oops, gap. How did that happen? */
9785 backwardMostMove = blackPlaysFirst ? 1 : 0;
9788 gameInfo.result = moveType;
9789 p = strchr(yy_text, '{');
9790 if (p == NULL) p = strchr(yy_text, '(');
9793 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9795 q = strchr(p, *p == '{' ? '}' : ')');
9796 if (q != NULL) *q = NULLCHAR;
9799 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9800 gameInfo.resultDetails = StrSave(p);
9803 if (boardIndex >= forwardMostMove &&
9804 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9805 backwardMostMove = blackPlaysFirst ? 1 : 0;
9808 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9809 fromY, fromX, toY, toX, promoChar,
9810 parseList[boardIndex]);
9811 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9812 /* currentMoveString is set as a side-effect of yylex */
9813 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9814 strcat(moveList[boardIndex], "\n");
9816 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9817 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9823 if(!IS_SHOGI(gameInfo.variant))
9824 strcat(parseList[boardIndex - 1], "+");
9828 strcat(parseList[boardIndex - 1], "#");
9835 /* Apply a move to the given board */
9837 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9839 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9840 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9842 /* [HGM] compute & store e.p. status and castling rights for new position */
9843 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9845 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9846 oldEP = (signed char)board[EP_STATUS];
9847 board[EP_STATUS] = EP_NONE;
9849 if (fromY == DROP_RANK) {
9851 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9852 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9855 piece = board[toY][toX] = (ChessSquare) fromX;
9857 // ChessSquare victim;
9860 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9861 // victim = board[killY][killX],
9862 board[killY][killX] = EmptySquare,
9863 board[EP_STATUS] = EP_CAPTURE;
9865 if( board[toY][toX] != EmptySquare ) {
9866 board[EP_STATUS] = EP_CAPTURE;
9867 if( (fromX != toX || fromY != toY) && // not igui!
9868 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9869 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9870 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9874 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9875 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9876 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9878 if( board[fromY][fromX] == WhitePawn ) {
9879 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9880 board[EP_STATUS] = EP_PAWN_MOVE;
9882 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9883 gameInfo.variant != VariantBerolina || toX < fromX)
9884 board[EP_STATUS] = toX | berolina;
9885 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9886 gameInfo.variant != VariantBerolina || toX > fromX)
9887 board[EP_STATUS] = toX;
9890 if( board[fromY][fromX] == BlackPawn ) {
9891 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9892 board[EP_STATUS] = EP_PAWN_MOVE;
9893 if( toY-fromY== -2) {
9894 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9895 gameInfo.variant != VariantBerolina || toX < fromX)
9896 board[EP_STATUS] = toX | berolina;
9897 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9898 gameInfo.variant != VariantBerolina || toX > fromX)
9899 board[EP_STATUS] = toX;
9903 for(i=0; i<nrCastlingRights; i++) {
9904 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9905 board[CASTLING][i] == toX && castlingRank[i] == toY
9906 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9909 if(gameInfo.variant == VariantSChess) { // update virginity
9910 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9911 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9912 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9913 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9916 if (fromX == toX && fromY == toY) return;
9918 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9919 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9920 if(gameInfo.variant == VariantKnightmate)
9921 king += (int) WhiteUnicorn - (int) WhiteKing;
9923 /* Code added by Tord: */
9924 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9925 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9926 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9927 board[fromY][fromX] = EmptySquare;
9928 board[toY][toX] = EmptySquare;
9929 if((toX > fromX) != (piece == WhiteRook)) {
9930 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9932 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9934 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9935 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9936 board[fromY][fromX] = EmptySquare;
9937 board[toY][toX] = EmptySquare;
9938 if((toX > fromX) != (piece == BlackRook)) {
9939 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9941 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9943 /* End of code added by Tord */
9945 } else if (board[fromY][fromX] == king
9946 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9947 && toY == fromY && toX > fromX+1) {
9948 board[fromY][fromX] = EmptySquare;
9949 board[toY][toX] = king;
9950 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9951 board[fromY][BOARD_RGHT-1] = EmptySquare;
9952 } else if (board[fromY][fromX] == king
9953 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9954 && toY == fromY && toX < fromX-1) {
9955 board[fromY][fromX] = EmptySquare;
9956 board[toY][toX] = king;
9957 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9958 board[fromY][BOARD_LEFT] = EmptySquare;
9959 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9960 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
9961 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9963 /* white pawn promotion */
9964 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9965 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9966 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9967 board[fromY][fromX] = EmptySquare;
9968 } else if ((fromY >= BOARD_HEIGHT>>1)
9969 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9971 && gameInfo.variant != VariantXiangqi
9972 && gameInfo.variant != VariantBerolina
9973 && (board[fromY][fromX] == WhitePawn)
9974 && (board[toY][toX] == EmptySquare)) {
9975 board[fromY][fromX] = EmptySquare;
9976 board[toY][toX] = WhitePawn;
9977 captured = board[toY - 1][toX];
9978 board[toY - 1][toX] = EmptySquare;
9979 } else if ((fromY == BOARD_HEIGHT-4)
9981 && gameInfo.variant == VariantBerolina
9982 && (board[fromY][fromX] == WhitePawn)
9983 && (board[toY][toX] == EmptySquare)) {
9984 board[fromY][fromX] = EmptySquare;
9985 board[toY][toX] = WhitePawn;
9986 if(oldEP & EP_BEROLIN_A) {
9987 captured = board[fromY][fromX-1];
9988 board[fromY][fromX-1] = EmptySquare;
9989 }else{ captured = board[fromY][fromX+1];
9990 board[fromY][fromX+1] = EmptySquare;
9992 } else if (board[fromY][fromX] == king
9993 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9994 && toY == fromY && toX > fromX+1) {
9995 board[fromY][fromX] = EmptySquare;
9996 board[toY][toX] = king;
9997 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9998 board[fromY][BOARD_RGHT-1] = EmptySquare;
9999 } else if (board[fromY][fromX] == king
10000 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10001 && toY == fromY && toX < fromX-1) {
10002 board[fromY][fromX] = EmptySquare;
10003 board[toY][toX] = king;
10004 board[toY][toX+1] = board[fromY][BOARD_LEFT];
10005 board[fromY][BOARD_LEFT] = EmptySquare;
10006 } else if (fromY == 7 && fromX == 3
10007 && board[fromY][fromX] == BlackKing
10008 && toY == 7 && toX == 5) {
10009 board[fromY][fromX] = EmptySquare;
10010 board[toY][toX] = BlackKing;
10011 board[fromY][7] = EmptySquare;
10012 board[toY][4] = BlackRook;
10013 } else if (fromY == 7 && fromX == 3
10014 && board[fromY][fromX] == BlackKing
10015 && toY == 7 && toX == 1) {
10016 board[fromY][fromX] = EmptySquare;
10017 board[toY][toX] = BlackKing;
10018 board[fromY][0] = EmptySquare;
10019 board[toY][2] = BlackRook;
10020 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10021 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10022 && toY < promoRank && promoChar
10024 /* black pawn promotion */
10025 board[toY][toX] = CharToPiece(ToLower(promoChar));
10026 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10027 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10028 board[fromY][fromX] = EmptySquare;
10029 } else if ((fromY < BOARD_HEIGHT>>1)
10030 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
10032 && gameInfo.variant != VariantXiangqi
10033 && gameInfo.variant != VariantBerolina
10034 && (board[fromY][fromX] == BlackPawn)
10035 && (board[toY][toX] == EmptySquare)) {
10036 board[fromY][fromX] = EmptySquare;
10037 board[toY][toX] = BlackPawn;
10038 captured = board[toY + 1][toX];
10039 board[toY + 1][toX] = EmptySquare;
10040 } else if ((fromY == 3)
10042 && gameInfo.variant == VariantBerolina
10043 && (board[fromY][fromX] == BlackPawn)
10044 && (board[toY][toX] == EmptySquare)) {
10045 board[fromY][fromX] = EmptySquare;
10046 board[toY][toX] = BlackPawn;
10047 if(oldEP & EP_BEROLIN_A) {
10048 captured = board[fromY][fromX-1];
10049 board[fromY][fromX-1] = EmptySquare;
10050 }else{ captured = board[fromY][fromX+1];
10051 board[fromY][fromX+1] = EmptySquare;
10054 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10055 board[fromY][fromX] = EmptySquare;
10056 board[toY][toX] = piece;
10060 if (gameInfo.holdingsWidth != 0) {
10062 /* !!A lot more code needs to be written to support holdings */
10063 /* [HGM] OK, so I have written it. Holdings are stored in the */
10064 /* penultimate board files, so they are automaticlly stored */
10065 /* in the game history. */
10066 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10067 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10068 /* Delete from holdings, by decreasing count */
10069 /* and erasing image if necessary */
10070 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10071 if(p < (int) BlackPawn) { /* white drop */
10072 p -= (int)WhitePawn;
10073 p = PieceToNumber((ChessSquare)p);
10074 if(p >= gameInfo.holdingsSize) p = 0;
10075 if(--board[p][BOARD_WIDTH-2] <= 0)
10076 board[p][BOARD_WIDTH-1] = EmptySquare;
10077 if((int)board[p][BOARD_WIDTH-2] < 0)
10078 board[p][BOARD_WIDTH-2] = 0;
10079 } else { /* black drop */
10080 p -= (int)BlackPawn;
10081 p = PieceToNumber((ChessSquare)p);
10082 if(p >= gameInfo.holdingsSize) p = 0;
10083 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10084 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10085 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10086 board[BOARD_HEIGHT-1-p][1] = 0;
10089 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10090 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10091 /* [HGM] holdings: Add to holdings, if holdings exist */
10092 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10093 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10094 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10096 p = (int) captured;
10097 if (p >= (int) BlackPawn) {
10098 p -= (int)BlackPawn;
10099 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10100 /* in Shogi restore piece to its original first */
10101 captured = (ChessSquare) (DEMOTED captured);
10104 p = PieceToNumber((ChessSquare)p);
10105 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10106 board[p][BOARD_WIDTH-2]++;
10107 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10109 p -= (int)WhitePawn;
10110 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10111 captured = (ChessSquare) (DEMOTED captured);
10114 p = PieceToNumber((ChessSquare)p);
10115 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10116 board[BOARD_HEIGHT-1-p][1]++;
10117 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10120 } else if (gameInfo.variant == VariantAtomic) {
10121 if (captured != EmptySquare) {
10123 for (y = toY-1; y <= toY+1; y++) {
10124 for (x = toX-1; x <= toX+1; x++) {
10125 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10126 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10127 board[y][x] = EmptySquare;
10131 board[toY][toX] = EmptySquare;
10135 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10136 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10138 if(promoChar == '+') {
10139 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10140 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10141 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10142 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10143 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10144 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10145 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10146 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10147 board[toY][toX] = newPiece;
10149 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10150 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10151 // [HGM] superchess: take promotion piece out of holdings
10152 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10153 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10154 if(!--board[k][BOARD_WIDTH-2])
10155 board[k][BOARD_WIDTH-1] = EmptySquare;
10157 if(!--board[BOARD_HEIGHT-1-k][1])
10158 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10163 /* Updates forwardMostMove */
10165 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10167 int x = toX, y = toY;
10168 char *s = parseList[forwardMostMove];
10169 ChessSquare p = boards[forwardMostMove][toY][toX];
10170 // forwardMostMove++; // [HGM] bare: moved downstream
10172 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10173 (void) CoordsToAlgebraic(boards[forwardMostMove],
10174 PosFlags(forwardMostMove),
10175 fromY, fromX, y, x, promoChar,
10177 if(killX >= 0 && killY >= 0)
10178 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10180 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10181 int timeLeft; static int lastLoadFlag=0; int king, piece;
10182 piece = boards[forwardMostMove][fromY][fromX];
10183 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10184 if(gameInfo.variant == VariantKnightmate)
10185 king += (int) WhiteUnicorn - (int) WhiteKing;
10186 if(forwardMostMove == 0) {
10187 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10188 fprintf(serverMoves, "%s;", UserName());
10189 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10190 fprintf(serverMoves, "%s;", second.tidy);
10191 fprintf(serverMoves, "%s;", first.tidy);
10192 if(gameMode == MachinePlaysWhite)
10193 fprintf(serverMoves, "%s;", UserName());
10194 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10195 fprintf(serverMoves, "%s;", second.tidy);
10196 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10197 lastLoadFlag = loadFlag;
10199 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10200 // print castling suffix
10201 if( toY == fromY && piece == king ) {
10203 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10205 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10208 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10209 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10210 boards[forwardMostMove][toY][toX] == EmptySquare
10211 && fromX != toX && fromY != toY)
10212 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10213 // promotion suffix
10214 if(promoChar != NULLCHAR) {
10215 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10216 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10217 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10218 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10221 char buf[MOVE_LEN*2], *p; int len;
10222 fprintf(serverMoves, "/%d/%d",
10223 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10224 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10225 else timeLeft = blackTimeRemaining/1000;
10226 fprintf(serverMoves, "/%d", timeLeft);
10227 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10228 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10229 if(p = strchr(buf, '=')) *p = NULLCHAR;
10230 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10231 fprintf(serverMoves, "/%s", buf);
10233 fflush(serverMoves);
10236 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10237 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10240 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10241 if (commentList[forwardMostMove+1] != NULL) {
10242 free(commentList[forwardMostMove+1]);
10243 commentList[forwardMostMove+1] = NULL;
10245 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10246 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10247 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10248 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10249 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10250 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10251 adjustedClock = FALSE;
10252 gameInfo.result = GameUnfinished;
10253 if (gameInfo.resultDetails != NULL) {
10254 free(gameInfo.resultDetails);
10255 gameInfo.resultDetails = NULL;
10257 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10258 moveList[forwardMostMove - 1]);
10259 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10265 if(!IS_SHOGI(gameInfo.variant))
10266 strcat(parseList[forwardMostMove - 1], "+");
10270 strcat(parseList[forwardMostMove - 1], "#");
10275 /* Updates currentMove if not pausing */
10277 ShowMove (int fromX, int fromY, int toX, int toY)
10279 int instant = (gameMode == PlayFromGameFile) ?
10280 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10281 if(appData.noGUI) return;
10282 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10284 if (forwardMostMove == currentMove + 1) {
10285 AnimateMove(boards[forwardMostMove - 1],
10286 fromX, fromY, toX, toY);
10289 currentMove = forwardMostMove;
10292 killX = killY = -1; // [HGM] lion: used up
10294 if (instant) return;
10296 DisplayMove(currentMove - 1);
10297 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10298 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10299 SetHighlights(fromX, fromY, toX, toY);
10302 DrawPosition(FALSE, boards[currentMove]);
10303 DisplayBothClocks();
10304 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10308 SendEgtPath (ChessProgramState *cps)
10309 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10310 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10312 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10315 char c, *q = name+1, *r, *s;
10317 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10318 while(*p && *p != ',') *q++ = *p++;
10319 *q++ = ':'; *q = 0;
10320 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10321 strcmp(name, ",nalimov:") == 0 ) {
10322 // take nalimov path from the menu-changeable option first, if it is defined
10323 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10324 SendToProgram(buf,cps); // send egtbpath command for nalimov
10326 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10327 (s = StrStr(appData.egtFormats, name)) != NULL) {
10328 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10329 s = r = StrStr(s, ":") + 1; // beginning of path info
10330 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10331 c = *r; *r = 0; // temporarily null-terminate path info
10332 *--q = 0; // strip of trailig ':' from name
10333 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10335 SendToProgram(buf,cps); // send egtbpath command for this format
10337 if(*p == ',') p++; // read away comma to position for next format name
10342 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10344 int width = 8, height = 8, holdings = 0; // most common sizes
10345 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10346 // correct the deviations default for each variant
10347 if( v == VariantXiangqi ) width = 9, height = 10;
10348 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10349 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10350 if( v == VariantCapablanca || v == VariantCapaRandom ||
10351 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10353 if( v == VariantCourier ) width = 12;
10354 if( v == VariantSuper ) holdings = 8;
10355 if( v == VariantGreat ) width = 10, holdings = 8;
10356 if( v == VariantSChess ) holdings = 7;
10357 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10358 if( v == VariantChuChess) width = 10, height = 10;
10359 if( v == VariantChu ) width = 12, height = 12;
10360 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10361 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10362 holdingsSize >= 0 && holdingsSize != holdings;
10365 char variantError[MSG_SIZ];
10368 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10369 { // returns error message (recognizable by upper-case) if engine does not support the variant
10370 char *p, *variant = VariantName(v);
10371 static char b[MSG_SIZ];
10372 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10373 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10374 holdingsSize, variant); // cook up sized variant name
10375 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10376 if(StrStr(list, b) == NULL) {
10377 // specific sized variant not known, check if general sizing allowed
10378 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10379 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10380 boardWidth, boardHeight, holdingsSize, engine);
10383 /* [HGM] here we really should compare with the maximum supported board size */
10385 } else snprintf(b, MSG_SIZ,"%s", variant);
10386 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10387 p = StrStr(list, b);
10388 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10390 // occurs not at all in list, or only as sub-string
10391 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10392 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10393 int l = strlen(variantError);
10395 while(p != list && p[-1] != ',') p--;
10396 q = strchr(p, ',');
10397 if(q) *q = NULLCHAR;
10398 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10407 InitChessProgram (ChessProgramState *cps, int setup)
10408 /* setup needed to setup FRC opening position */
10410 char buf[MSG_SIZ], *b;
10411 if (appData.noChessProgram) return;
10412 hintRequested = FALSE;
10413 bookRequested = FALSE;
10415 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10416 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10417 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10418 if(cps->memSize) { /* [HGM] memory */
10419 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10420 SendToProgram(buf, cps);
10422 SendEgtPath(cps); /* [HGM] EGT */
10423 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10424 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10425 SendToProgram(buf, cps);
10428 SendToProgram(cps->initString, cps);
10429 if (gameInfo.variant != VariantNormal &&
10430 gameInfo.variant != VariantLoadable
10431 /* [HGM] also send variant if board size non-standard */
10432 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10434 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10435 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10437 DisplayFatalError(variantError, 0, 1);
10441 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10442 SendToProgram(buf, cps);
10444 currentlyInitializedVariant = gameInfo.variant;
10446 /* [HGM] send opening position in FRC to first engine */
10448 SendToProgram("force\n", cps);
10450 /* engine is now in force mode! Set flag to wake it up after first move. */
10451 setboardSpoiledMachineBlack = 1;
10454 if (cps->sendICS) {
10455 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10456 SendToProgram(buf, cps);
10458 cps->maybeThinking = FALSE;
10459 cps->offeredDraw = 0;
10460 if (!appData.icsActive) {
10461 SendTimeControl(cps, movesPerSession, timeControl,
10462 timeIncrement, appData.searchDepth,
10465 if (appData.showThinking
10466 // [HGM] thinking: four options require thinking output to be sent
10467 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10469 SendToProgram("post\n", cps);
10471 SendToProgram("hard\n", cps);
10472 if (!appData.ponderNextMove) {
10473 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10474 it without being sure what state we are in first. "hard"
10475 is not a toggle, so that one is OK.
10477 SendToProgram("easy\n", cps);
10479 if (cps->usePing) {
10480 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10481 SendToProgram(buf, cps);
10483 cps->initDone = TRUE;
10484 ClearEngineOutputPane(cps == &second);
10489 ResendOptions (ChessProgramState *cps)
10490 { // send the stored value of the options
10493 Option *opt = cps->option;
10494 for(i=0; i<cps->nrOptions; i++, opt++) {
10495 switch(opt->type) {
10499 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10502 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10505 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10511 SendToProgram(buf, cps);
10516 StartChessProgram (ChessProgramState *cps)
10521 if (appData.noChessProgram) return;
10522 cps->initDone = FALSE;
10524 if (strcmp(cps->host, "localhost") == 0) {
10525 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10526 } else if (*appData.remoteShell == NULLCHAR) {
10527 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10529 if (*appData.remoteUser == NULLCHAR) {
10530 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10533 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10534 cps->host, appData.remoteUser, cps->program);
10536 err = StartChildProcess(buf, "", &cps->pr);
10540 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10541 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10542 if(cps != &first) return;
10543 appData.noChessProgram = TRUE;
10546 // DisplayFatalError(buf, err, 1);
10547 // cps->pr = NoProc;
10548 // cps->isr = NULL;
10552 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10553 if (cps->protocolVersion > 1) {
10554 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10555 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10556 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10557 cps->comboCnt = 0; // and values of combo boxes
10559 SendToProgram(buf, cps);
10560 if(cps->reload) ResendOptions(cps);
10562 SendToProgram("xboard\n", cps);
10567 TwoMachinesEventIfReady P((void))
10569 static int curMess = 0;
10570 if (first.lastPing != first.lastPong) {
10571 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10572 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10575 if (second.lastPing != second.lastPong) {
10576 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10577 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10580 DisplayMessage("", ""); curMess = 0;
10581 TwoMachinesEvent();
10585 MakeName (char *template)
10589 static char buf[MSG_SIZ];
10593 clock = time((time_t *)NULL);
10594 tm = localtime(&clock);
10596 while(*p++ = *template++) if(p[-1] == '%') {
10597 switch(*template++) {
10598 case 0: *p = 0; return buf;
10599 case 'Y': i = tm->tm_year+1900; break;
10600 case 'y': i = tm->tm_year-100; break;
10601 case 'M': i = tm->tm_mon+1; break;
10602 case 'd': i = tm->tm_mday; break;
10603 case 'h': i = tm->tm_hour; break;
10604 case 'm': i = tm->tm_min; break;
10605 case 's': i = tm->tm_sec; break;
10608 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10614 CountPlayers (char *p)
10617 while(p = strchr(p, '\n')) p++, n++; // count participants
10622 WriteTourneyFile (char *results, FILE *f)
10623 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10624 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10625 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10626 // create a file with tournament description
10627 fprintf(f, "-participants {%s}\n", appData.participants);
10628 fprintf(f, "-seedBase %d\n", appData.seedBase);
10629 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10630 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10631 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10632 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10633 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10634 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10635 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10636 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10637 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10638 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10639 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10640 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10641 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10642 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10643 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10644 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10645 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10646 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10647 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10648 fprintf(f, "-smpCores %d\n", appData.smpCores);
10650 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10652 fprintf(f, "-mps %d\n", appData.movesPerSession);
10653 fprintf(f, "-tc %s\n", appData.timeControl);
10654 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10656 fprintf(f, "-results \"%s\"\n", results);
10661 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10664 Substitute (char *participants, int expunge)
10666 int i, changed, changes=0, nPlayers=0;
10667 char *p, *q, *r, buf[MSG_SIZ];
10668 if(participants == NULL) return;
10669 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10670 r = p = participants; q = appData.participants;
10671 while(*p && *p == *q) {
10672 if(*p == '\n') r = p+1, nPlayers++;
10675 if(*p) { // difference
10676 while(*p && *p++ != '\n');
10677 while(*q && *q++ != '\n');
10678 changed = nPlayers;
10679 changes = 1 + (strcmp(p, q) != 0);
10681 if(changes == 1) { // a single engine mnemonic was changed
10682 q = r; while(*q) nPlayers += (*q++ == '\n');
10683 p = buf; while(*r && (*p = *r++) != '\n') p++;
10685 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10686 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10687 if(mnemonic[i]) { // The substitute is valid
10689 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10690 flock(fileno(f), LOCK_EX);
10691 ParseArgsFromFile(f);
10692 fseek(f, 0, SEEK_SET);
10693 FREE(appData.participants); appData.participants = participants;
10694 if(expunge) { // erase results of replaced engine
10695 int len = strlen(appData.results), w, b, dummy;
10696 for(i=0; i<len; i++) {
10697 Pairing(i, nPlayers, &w, &b, &dummy);
10698 if((w == changed || b == changed) && appData.results[i] == '*') {
10699 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10704 for(i=0; i<len; i++) {
10705 Pairing(i, nPlayers, &w, &b, &dummy);
10706 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10709 WriteTourneyFile(appData.results, f);
10710 fclose(f); // release lock
10713 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10715 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10716 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10717 free(participants);
10722 CheckPlayers (char *participants)
10725 char buf[MSG_SIZ], *p;
10726 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10727 while(p = strchr(participants, '\n')) {
10729 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10731 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10733 DisplayError(buf, 0);
10737 participants = p + 1;
10743 CreateTourney (char *name)
10746 if(matchMode && strcmp(name, appData.tourneyFile)) {
10747 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10749 if(name[0] == NULLCHAR) {
10750 if(appData.participants[0])
10751 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10754 f = fopen(name, "r");
10755 if(f) { // file exists
10756 ASSIGN(appData.tourneyFile, name);
10757 ParseArgsFromFile(f); // parse it
10759 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10760 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10761 DisplayError(_("Not enough participants"), 0);
10764 if(CheckPlayers(appData.participants)) return 0;
10765 ASSIGN(appData.tourneyFile, name);
10766 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10767 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10770 appData.noChessProgram = FALSE;
10771 appData.clockMode = TRUE;
10777 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10779 char buf[MSG_SIZ], *p, *q;
10780 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10781 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10782 skip = !all && group[0]; // if group requested, we start in skip mode
10783 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10784 p = names; q = buf; header = 0;
10785 while(*p && *p != '\n') *q++ = *p++;
10787 if(*p == '\n') p++;
10788 if(buf[0] == '#') {
10789 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10790 depth++; // we must be entering a new group
10791 if(all) continue; // suppress printing group headers when complete list requested
10793 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10795 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10796 if(engineList[i]) free(engineList[i]);
10797 engineList[i] = strdup(buf);
10798 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10799 if(engineMnemonic[i]) free(engineMnemonic[i]);
10800 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10802 sscanf(q + 8, "%s", buf + strlen(buf));
10805 engineMnemonic[i] = strdup(buf);
10808 engineList[i] = engineMnemonic[i] = NULL;
10812 // following implemented as macro to avoid type limitations
10813 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10816 SwapEngines (int n)
10817 { // swap settings for first engine and other engine (so far only some selected options)
10822 SWAP(chessProgram, p)
10824 SWAP(hasOwnBookUCI, h)
10825 SWAP(protocolVersion, h)
10827 SWAP(scoreIsAbsolute, h)
10832 SWAP(engOptions, p)
10833 SWAP(engInitString, p)
10834 SWAP(computerString, p)
10836 SWAP(fenOverride, p)
10838 SWAP(accumulateTC, h)
10844 GetEngineLine (char *s, int n)
10848 extern char *icsNames;
10849 if(!s || !*s) return 0;
10850 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10851 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10852 if(!mnemonic[i]) return 0;
10853 if(n == 11) return 1; // just testing if there was a match
10854 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10855 if(n == 1) SwapEngines(n);
10856 ParseArgsFromString(buf);
10857 if(n == 1) SwapEngines(n);
10858 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10859 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10860 ParseArgsFromString(buf);
10866 SetPlayer (int player, char *p)
10867 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10869 char buf[MSG_SIZ], *engineName;
10870 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10871 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10872 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10874 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10875 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10876 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10877 ParseArgsFromString(buf);
10878 } else { // no engine with this nickname is installed!
10879 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10880 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10881 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10883 DisplayError(buf, 0);
10890 char *recentEngines;
10893 RecentEngineEvent (int nr)
10896 // SwapEngines(1); // bump first to second
10897 // ReplaceEngine(&second, 1); // and load it there
10898 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10899 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10900 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10901 ReplaceEngine(&first, 0);
10902 FloatToFront(&appData.recentEngineList, command[n]);
10907 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10908 { // determine players from game number
10909 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10911 if(appData.tourneyType == 0) {
10912 roundsPerCycle = (nPlayers - 1) | 1;
10913 pairingsPerRound = nPlayers / 2;
10914 } else if(appData.tourneyType > 0) {
10915 roundsPerCycle = nPlayers - appData.tourneyType;
10916 pairingsPerRound = appData.tourneyType;
10918 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10919 gamesPerCycle = gamesPerRound * roundsPerCycle;
10920 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10921 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10922 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10923 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10924 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10925 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10927 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10928 if(appData.roundSync) *syncInterval = gamesPerRound;
10930 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10932 if(appData.tourneyType == 0) {
10933 if(curPairing == (nPlayers-1)/2 ) {
10934 *whitePlayer = curRound;
10935 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10937 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10938 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10939 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10940 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10942 } else if(appData.tourneyType > 1) {
10943 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10944 *whitePlayer = curRound + appData.tourneyType;
10945 } else if(appData.tourneyType > 0) {
10946 *whitePlayer = curPairing;
10947 *blackPlayer = curRound + appData.tourneyType;
10950 // take care of white/black alternation per round.
10951 // For cycles and games this is already taken care of by default, derived from matchGame!
10952 return curRound & 1;
10956 NextTourneyGame (int nr, int *swapColors)
10957 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10959 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10961 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10962 tf = fopen(appData.tourneyFile, "r");
10963 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10964 ParseArgsFromFile(tf); fclose(tf);
10965 InitTimeControls(); // TC might be altered from tourney file
10967 nPlayers = CountPlayers(appData.participants); // count participants
10968 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10969 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10972 p = q = appData.results;
10973 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10974 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10975 DisplayMessage(_("Waiting for other game(s)"),"");
10976 waitingForGame = TRUE;
10977 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
10980 waitingForGame = FALSE;
10983 if(appData.tourneyType < 0) {
10984 if(nr>=0 && !pairingReceived) {
10986 if(pairing.pr == NoProc) {
10987 if(!appData.pairingEngine[0]) {
10988 DisplayFatalError(_("No pairing engine specified"), 0, 1);
10991 StartChessProgram(&pairing); // starts the pairing engine
10993 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
10994 SendToProgram(buf, &pairing);
10995 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
10996 SendToProgram(buf, &pairing);
10997 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
10999 pairingReceived = 0; // ... so we continue here
11001 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11002 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11003 matchGame = 1; roundNr = nr / syncInterval + 1;
11006 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11008 // redefine engines, engine dir, etc.
11009 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11010 if(first.pr == NoProc) {
11011 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11012 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11014 if(second.pr == NoProc) {
11016 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11017 SwapEngines(1); // and make that valid for second engine by swapping
11018 InitEngine(&second, 1);
11020 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11021 UpdateLogos(FALSE); // leave display to ModeHiglight()
11027 { // performs game initialization that does not invoke engines, and then tries to start the game
11028 int res, firstWhite, swapColors = 0;
11029 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11030 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
11032 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11033 if(strcmp(buf, currentDebugFile)) { // name has changed
11034 FILE *f = fopen(buf, "w");
11035 if(f) { // if opening the new file failed, just keep using the old one
11036 ASSIGN(currentDebugFile, buf);
11040 if(appData.serverFileName) {
11041 if(serverFP) fclose(serverFP);
11042 serverFP = fopen(appData.serverFileName, "w");
11043 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11044 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11048 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11049 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11050 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11051 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11052 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11053 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11054 Reset(FALSE, first.pr != NoProc);
11055 res = LoadGameOrPosition(matchGame); // setup game
11056 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11057 if(!res) return; // abort when bad game/pos file
11058 TwoMachinesEvent();
11062 UserAdjudicationEvent (int result)
11064 ChessMove gameResult = GameIsDrawn;
11067 gameResult = WhiteWins;
11069 else if( result < 0 ) {
11070 gameResult = BlackWins;
11073 if( gameMode == TwoMachinesPlay ) {
11074 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11079 // [HGM] save: calculate checksum of game to make games easily identifiable
11081 StringCheckSum (char *s)
11084 if(s==NULL) return 0;
11085 while(*s) i = i*259 + *s++;
11093 for(i=backwardMostMove; i<forwardMostMove; i++) {
11094 sum += pvInfoList[i].depth;
11095 sum += StringCheckSum(parseList[i]);
11096 sum += StringCheckSum(commentList[i]);
11099 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11100 return sum + StringCheckSum(commentList[i]);
11101 } // end of save patch
11104 GameEnds (ChessMove result, char *resultDetails, int whosays)
11106 GameMode nextGameMode;
11108 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11110 if(endingGame) return; /* [HGM] crash: forbid recursion */
11112 if(twoBoards) { // [HGM] dual: switch back to one board
11113 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11114 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11116 if (appData.debugMode) {
11117 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11118 result, resultDetails ? resultDetails : "(null)", whosays);
11121 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11123 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11125 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11126 /* If we are playing on ICS, the server decides when the
11127 game is over, but the engine can offer to draw, claim
11131 if (appData.zippyPlay && first.initDone) {
11132 if (result == GameIsDrawn) {
11133 /* In case draw still needs to be claimed */
11134 SendToICS(ics_prefix);
11135 SendToICS("draw\n");
11136 } else if (StrCaseStr(resultDetails, "resign")) {
11137 SendToICS(ics_prefix);
11138 SendToICS("resign\n");
11142 endingGame = 0; /* [HGM] crash */
11146 /* If we're loading the game from a file, stop */
11147 if (whosays == GE_FILE) {
11148 (void) StopLoadGameTimer();
11152 /* Cancel draw offers */
11153 first.offeredDraw = second.offeredDraw = 0;
11155 /* If this is an ICS game, only ICS can really say it's done;
11156 if not, anyone can. */
11157 isIcsGame = (gameMode == IcsPlayingWhite ||
11158 gameMode == IcsPlayingBlack ||
11159 gameMode == IcsObserving ||
11160 gameMode == IcsExamining);
11162 if (!isIcsGame || whosays == GE_ICS) {
11163 /* OK -- not an ICS game, or ICS said it was done */
11165 if (!isIcsGame && !appData.noChessProgram)
11166 SetUserThinkingEnables();
11168 /* [HGM] if a machine claims the game end we verify this claim */
11169 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11170 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11172 ChessMove trueResult = (ChessMove) -1;
11174 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11175 first.twoMachinesColor[0] :
11176 second.twoMachinesColor[0] ;
11178 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11179 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11180 /* [HGM] verify: engine mate claims accepted if they were flagged */
11181 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11183 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11184 /* [HGM] verify: engine mate claims accepted if they were flagged */
11185 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11187 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11188 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11191 // now verify win claims, but not in drop games, as we don't understand those yet
11192 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11193 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11194 (result == WhiteWins && claimer == 'w' ||
11195 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11196 if (appData.debugMode) {
11197 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11198 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11200 if(result != trueResult) {
11201 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11202 result = claimer == 'w' ? BlackWins : WhiteWins;
11203 resultDetails = buf;
11206 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11207 && (forwardMostMove <= backwardMostMove ||
11208 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11209 (claimer=='b')==(forwardMostMove&1))
11211 /* [HGM] verify: draws that were not flagged are false claims */
11212 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11213 result = claimer == 'w' ? BlackWins : WhiteWins;
11214 resultDetails = buf;
11216 /* (Claiming a loss is accepted no questions asked!) */
11217 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11218 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11219 result = GameUnfinished;
11220 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11222 /* [HGM] bare: don't allow bare King to win */
11223 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11224 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11225 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11226 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11227 && result != GameIsDrawn)
11228 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11229 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11230 int p = (signed char)boards[forwardMostMove][i][j] - color;
11231 if(p >= 0 && p <= (int)WhiteKing) k++;
11233 if (appData.debugMode) {
11234 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11235 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11238 result = GameIsDrawn;
11239 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11240 resultDetails = buf;
11246 if(serverMoves != NULL && !loadFlag) { char c = '=';
11247 if(result==WhiteWins) c = '+';
11248 if(result==BlackWins) c = '-';
11249 if(resultDetails != NULL)
11250 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11252 if (resultDetails != NULL) {
11253 gameInfo.result = result;
11254 gameInfo.resultDetails = StrSave(resultDetails);
11256 /* display last move only if game was not loaded from file */
11257 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11258 DisplayMove(currentMove - 1);
11260 if (forwardMostMove != 0) {
11261 if (gameMode != PlayFromGameFile && gameMode != EditGame
11262 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11264 if (*appData.saveGameFile != NULLCHAR) {
11265 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11266 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11268 SaveGameToFile(appData.saveGameFile, TRUE);
11269 } else if (appData.autoSaveGames) {
11270 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11272 if (*appData.savePositionFile != NULLCHAR) {
11273 SavePositionToFile(appData.savePositionFile);
11275 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11279 /* Tell program how game ended in case it is learning */
11280 /* [HGM] Moved this to after saving the PGN, just in case */
11281 /* engine died and we got here through time loss. In that */
11282 /* case we will get a fatal error writing the pipe, which */
11283 /* would otherwise lose us the PGN. */
11284 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11285 /* output during GameEnds should never be fatal anymore */
11286 if (gameMode == MachinePlaysWhite ||
11287 gameMode == MachinePlaysBlack ||
11288 gameMode == TwoMachinesPlay ||
11289 gameMode == IcsPlayingWhite ||
11290 gameMode == IcsPlayingBlack ||
11291 gameMode == BeginningOfGame) {
11293 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11295 if (first.pr != NoProc) {
11296 SendToProgram(buf, &first);
11298 if (second.pr != NoProc &&
11299 gameMode == TwoMachinesPlay) {
11300 SendToProgram(buf, &second);
11305 if (appData.icsActive) {
11306 if (appData.quietPlay &&
11307 (gameMode == IcsPlayingWhite ||
11308 gameMode == IcsPlayingBlack)) {
11309 SendToICS(ics_prefix);
11310 SendToICS("set shout 1\n");
11312 nextGameMode = IcsIdle;
11313 ics_user_moved = FALSE;
11314 /* clean up premove. It's ugly when the game has ended and the
11315 * premove highlights are still on the board.
11318 gotPremove = FALSE;
11319 ClearPremoveHighlights();
11320 DrawPosition(FALSE, boards[currentMove]);
11322 if (whosays == GE_ICS) {
11325 if (gameMode == IcsPlayingWhite)
11327 else if(gameMode == IcsPlayingBlack)
11328 PlayIcsLossSound();
11331 if (gameMode == IcsPlayingBlack)
11333 else if(gameMode == IcsPlayingWhite)
11334 PlayIcsLossSound();
11337 PlayIcsDrawSound();
11340 PlayIcsUnfinishedSound();
11343 if(appData.quitNext) { ExitEvent(0); return; }
11344 } else if (gameMode == EditGame ||
11345 gameMode == PlayFromGameFile ||
11346 gameMode == AnalyzeMode ||
11347 gameMode == AnalyzeFile) {
11348 nextGameMode = gameMode;
11350 nextGameMode = EndOfGame;
11355 nextGameMode = gameMode;
11358 if (appData.noChessProgram) {
11359 gameMode = nextGameMode;
11361 endingGame = 0; /* [HGM] crash */
11366 /* Put first chess program into idle state */
11367 if (first.pr != NoProc &&
11368 (gameMode == MachinePlaysWhite ||
11369 gameMode == MachinePlaysBlack ||
11370 gameMode == TwoMachinesPlay ||
11371 gameMode == IcsPlayingWhite ||
11372 gameMode == IcsPlayingBlack ||
11373 gameMode == BeginningOfGame)) {
11374 SendToProgram("force\n", &first);
11375 if (first.usePing) {
11377 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11378 SendToProgram(buf, &first);
11381 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11382 /* Kill off first chess program */
11383 if (first.isr != NULL)
11384 RemoveInputSource(first.isr);
11387 if (first.pr != NoProc) {
11389 DoSleep( appData.delayBeforeQuit );
11390 SendToProgram("quit\n", &first);
11391 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11392 first.reload = TRUE;
11396 if (second.reuse) {
11397 /* Put second chess program into idle state */
11398 if (second.pr != NoProc &&
11399 gameMode == TwoMachinesPlay) {
11400 SendToProgram("force\n", &second);
11401 if (second.usePing) {
11403 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11404 SendToProgram(buf, &second);
11407 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11408 /* Kill off second chess program */
11409 if (second.isr != NULL)
11410 RemoveInputSource(second.isr);
11413 if (second.pr != NoProc) {
11414 DoSleep( appData.delayBeforeQuit );
11415 SendToProgram("quit\n", &second);
11416 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11417 second.reload = TRUE;
11419 second.pr = NoProc;
11422 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11423 char resChar = '=';
11427 if (first.twoMachinesColor[0] == 'w') {
11430 second.matchWins++;
11435 if (first.twoMachinesColor[0] == 'b') {
11438 second.matchWins++;
11441 case GameUnfinished:
11447 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11448 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11449 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11450 ReserveGame(nextGame, resChar); // sets nextGame
11451 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11452 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11453 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11455 if (nextGame <= appData.matchGames && !abortMatch) {
11456 gameMode = nextGameMode;
11457 matchGame = nextGame; // this will be overruled in tourney mode!
11458 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11459 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11460 endingGame = 0; /* [HGM] crash */
11463 gameMode = nextGameMode;
11464 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11465 first.tidy, second.tidy,
11466 first.matchWins, second.matchWins,
11467 appData.matchGames - (first.matchWins + second.matchWins));
11468 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11469 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11470 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11471 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11472 first.twoMachinesColor = "black\n";
11473 second.twoMachinesColor = "white\n";
11475 first.twoMachinesColor = "white\n";
11476 second.twoMachinesColor = "black\n";
11480 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11481 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11483 gameMode = nextGameMode;
11485 endingGame = 0; /* [HGM] crash */
11486 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11487 if(matchMode == TRUE) { // match through command line: exit with or without popup
11489 ToNrEvent(forwardMostMove);
11490 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11492 } else DisplayFatalError(buf, 0, 0);
11493 } else { // match through menu; just stop, with or without popup
11494 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11497 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11498 } else DisplayNote(buf);
11500 if(ranking) free(ranking);
11504 /* Assumes program was just initialized (initString sent).
11505 Leaves program in force mode. */
11507 FeedMovesToProgram (ChessProgramState *cps, int upto)
11511 if (appData.debugMode)
11512 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11513 startedFromSetupPosition ? "position and " : "",
11514 backwardMostMove, upto, cps->which);
11515 if(currentlyInitializedVariant != gameInfo.variant) {
11517 // [HGM] variantswitch: make engine aware of new variant
11518 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11519 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11520 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11521 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11522 SendToProgram(buf, cps);
11523 currentlyInitializedVariant = gameInfo.variant;
11525 SendToProgram("force\n", cps);
11526 if (startedFromSetupPosition) {
11527 SendBoard(cps, backwardMostMove);
11528 if (appData.debugMode) {
11529 fprintf(debugFP, "feedMoves\n");
11532 for (i = backwardMostMove; i < upto; i++) {
11533 SendMoveToProgram(i, cps);
11539 ResurrectChessProgram ()
11541 /* The chess program may have exited.
11542 If so, restart it and feed it all the moves made so far. */
11543 static int doInit = 0;
11545 if (appData.noChessProgram) return 1;
11547 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11548 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11549 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11550 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11552 if (first.pr != NoProc) return 1;
11553 StartChessProgram(&first);
11555 InitChessProgram(&first, FALSE);
11556 FeedMovesToProgram(&first, currentMove);
11558 if (!first.sendTime) {
11559 /* can't tell gnuchess what its clock should read,
11560 so we bow to its notion. */
11562 timeRemaining[0][currentMove] = whiteTimeRemaining;
11563 timeRemaining[1][currentMove] = blackTimeRemaining;
11566 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11567 appData.icsEngineAnalyze) && first.analysisSupport) {
11568 SendToProgram("analyze\n", &first);
11569 first.analyzing = TRUE;
11575 * Button procedures
11578 Reset (int redraw, int init)
11582 if (appData.debugMode) {
11583 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11584 redraw, init, gameMode);
11586 CleanupTail(); // [HGM] vari: delete any stored variations
11587 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11588 pausing = pauseExamInvalid = FALSE;
11589 startedFromSetupPosition = blackPlaysFirst = FALSE;
11591 whiteFlag = blackFlag = FALSE;
11592 userOfferedDraw = FALSE;
11593 hintRequested = bookRequested = FALSE;
11594 first.maybeThinking = FALSE;
11595 second.maybeThinking = FALSE;
11596 first.bookSuspend = FALSE; // [HGM] book
11597 second.bookSuspend = FALSE;
11598 thinkOutput[0] = NULLCHAR;
11599 lastHint[0] = NULLCHAR;
11600 ClearGameInfo(&gameInfo);
11601 gameInfo.variant = StringToVariant(appData.variant);
11602 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11603 ics_user_moved = ics_clock_paused = FALSE;
11604 ics_getting_history = H_FALSE;
11606 white_holding[0] = black_holding[0] = NULLCHAR;
11607 ClearProgramStats();
11608 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11612 flipView = appData.flipView;
11613 ClearPremoveHighlights();
11614 gotPremove = FALSE;
11615 alarmSounded = FALSE;
11616 killX = killY = -1; // [HGM] lion
11618 GameEnds(EndOfFile, NULL, GE_PLAYER);
11619 if(appData.serverMovesName != NULL) {
11620 /* [HGM] prepare to make moves file for broadcasting */
11621 clock_t t = clock();
11622 if(serverMoves != NULL) fclose(serverMoves);
11623 serverMoves = fopen(appData.serverMovesName, "r");
11624 if(serverMoves != NULL) {
11625 fclose(serverMoves);
11626 /* delay 15 sec before overwriting, so all clients can see end */
11627 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11629 serverMoves = fopen(appData.serverMovesName, "w");
11633 gameMode = BeginningOfGame;
11635 if(appData.icsActive) gameInfo.variant = VariantNormal;
11636 currentMove = forwardMostMove = backwardMostMove = 0;
11637 MarkTargetSquares(1);
11638 InitPosition(redraw);
11639 for (i = 0; i < MAX_MOVES; i++) {
11640 if (commentList[i] != NULL) {
11641 free(commentList[i]);
11642 commentList[i] = NULL;
11646 timeRemaining[0][0] = whiteTimeRemaining;
11647 timeRemaining[1][0] = blackTimeRemaining;
11649 if (first.pr == NoProc) {
11650 StartChessProgram(&first);
11653 InitChessProgram(&first, startedFromSetupPosition);
11656 DisplayMessage("", "");
11657 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11658 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11659 ClearMap(); // [HGM] exclude: invalidate map
11663 AutoPlayGameLoop ()
11666 if (!AutoPlayOneMove())
11668 if (matchMode || appData.timeDelay == 0)
11670 if (appData.timeDelay < 0)
11672 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11680 ReloadGame(1); // next game
11686 int fromX, fromY, toX, toY;
11688 if (appData.debugMode) {
11689 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11692 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11695 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11696 pvInfoList[currentMove].depth = programStats.depth;
11697 pvInfoList[currentMove].score = programStats.score;
11698 pvInfoList[currentMove].time = 0;
11699 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11700 else { // append analysis of final position as comment
11702 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11703 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11705 programStats.depth = 0;
11708 if (currentMove >= forwardMostMove) {
11709 if(gameMode == AnalyzeFile) {
11710 if(appData.loadGameIndex == -1) {
11711 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11712 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11714 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11717 // gameMode = EndOfGame;
11718 // ModeHighlight();
11720 /* [AS] Clear current move marker at the end of a game */
11721 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11726 toX = moveList[currentMove][2] - AAA;
11727 toY = moveList[currentMove][3] - ONE;
11729 if (moveList[currentMove][1] == '@') {
11730 if (appData.highlightLastMove) {
11731 SetHighlights(-1, -1, toX, toY);
11734 fromX = moveList[currentMove][0] - AAA;
11735 fromY = moveList[currentMove][1] - ONE;
11737 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11739 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11741 if (appData.highlightLastMove) {
11742 SetHighlights(fromX, fromY, toX, toY);
11745 DisplayMove(currentMove);
11746 SendMoveToProgram(currentMove++, &first);
11747 DisplayBothClocks();
11748 DrawPosition(FALSE, boards[currentMove]);
11749 // [HGM] PV info: always display, routine tests if empty
11750 DisplayComment(currentMove - 1, commentList[currentMove]);
11756 LoadGameOneMove (ChessMove readAhead)
11758 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11759 char promoChar = NULLCHAR;
11760 ChessMove moveType;
11761 char move[MSG_SIZ];
11764 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11765 gameMode != AnalyzeMode && gameMode != Training) {
11770 yyboardindex = forwardMostMove;
11771 if (readAhead != EndOfFile) {
11772 moveType = readAhead;
11774 if (gameFileFP == NULL)
11776 moveType = (ChessMove) Myylex();
11780 switch (moveType) {
11782 if (appData.debugMode)
11783 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11786 /* append the comment but don't display it */
11787 AppendComment(currentMove, p, FALSE);
11790 case WhiteCapturesEnPassant:
11791 case BlackCapturesEnPassant:
11792 case WhitePromotion:
11793 case BlackPromotion:
11794 case WhiteNonPromotion:
11795 case BlackNonPromotion:
11798 case WhiteKingSideCastle:
11799 case WhiteQueenSideCastle:
11800 case BlackKingSideCastle:
11801 case BlackQueenSideCastle:
11802 case WhiteKingSideCastleWild:
11803 case WhiteQueenSideCastleWild:
11804 case BlackKingSideCastleWild:
11805 case BlackQueenSideCastleWild:
11807 case WhiteHSideCastleFR:
11808 case WhiteASideCastleFR:
11809 case BlackHSideCastleFR:
11810 case BlackASideCastleFR:
11812 if (appData.debugMode)
11813 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11814 fromX = currentMoveString[0] - AAA;
11815 fromY = currentMoveString[1] - ONE;
11816 toX = currentMoveString[2] - AAA;
11817 toY = currentMoveString[3] - ONE;
11818 promoChar = currentMoveString[4];
11819 if(promoChar == ';') promoChar = NULLCHAR;
11824 if (appData.debugMode)
11825 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11826 fromX = moveType == WhiteDrop ?
11827 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11828 (int) CharToPiece(ToLower(currentMoveString[0]));
11830 toX = currentMoveString[2] - AAA;
11831 toY = currentMoveString[3] - ONE;
11837 case GameUnfinished:
11838 if (appData.debugMode)
11839 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11840 p = strchr(yy_text, '{');
11841 if (p == NULL) p = strchr(yy_text, '(');
11844 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11846 q = strchr(p, *p == '{' ? '}' : ')');
11847 if (q != NULL) *q = NULLCHAR;
11850 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11851 GameEnds(moveType, p, GE_FILE);
11853 if (cmailMsgLoaded) {
11855 flipView = WhiteOnMove(currentMove);
11856 if (moveType == GameUnfinished) flipView = !flipView;
11857 if (appData.debugMode)
11858 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11863 if (appData.debugMode)
11864 fprintf(debugFP, "Parser hit end of file\n");
11865 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11871 if (WhiteOnMove(currentMove)) {
11872 GameEnds(BlackWins, "Black mates", GE_FILE);
11874 GameEnds(WhiteWins, "White mates", GE_FILE);
11878 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11884 case MoveNumberOne:
11885 if (lastLoadGameStart == GNUChessGame) {
11886 /* GNUChessGames have numbers, but they aren't move numbers */
11887 if (appData.debugMode)
11888 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11889 yy_text, (int) moveType);
11890 return LoadGameOneMove(EndOfFile); /* tail recursion */
11892 /* else fall thru */
11897 /* Reached start of next game in file */
11898 if (appData.debugMode)
11899 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11900 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11906 if (WhiteOnMove(currentMove)) {
11907 GameEnds(BlackWins, "Black mates", GE_FILE);
11909 GameEnds(WhiteWins, "White mates", GE_FILE);
11913 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11919 case PositionDiagram: /* should not happen; ignore */
11920 case ElapsedTime: /* ignore */
11921 case NAG: /* ignore */
11922 if (appData.debugMode)
11923 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11924 yy_text, (int) moveType);
11925 return LoadGameOneMove(EndOfFile); /* tail recursion */
11928 if (appData.testLegality) {
11929 if (appData.debugMode)
11930 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11931 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11932 (forwardMostMove / 2) + 1,
11933 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11934 DisplayError(move, 0);
11937 if (appData.debugMode)
11938 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11939 yy_text, currentMoveString);
11940 fromX = currentMoveString[0] - AAA;
11941 fromY = currentMoveString[1] - ONE;
11942 toX = currentMoveString[2] - AAA;
11943 toY = currentMoveString[3] - ONE;
11944 promoChar = currentMoveString[4];
11948 case AmbiguousMove:
11949 if (appData.debugMode)
11950 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11951 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11952 (forwardMostMove / 2) + 1,
11953 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11954 DisplayError(move, 0);
11959 case ImpossibleMove:
11960 if (appData.debugMode)
11961 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11962 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11963 (forwardMostMove / 2) + 1,
11964 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11965 DisplayError(move, 0);
11971 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11972 DrawPosition(FALSE, boards[currentMove]);
11973 DisplayBothClocks();
11974 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11975 DisplayComment(currentMove - 1, commentList[currentMove]);
11977 (void) StopLoadGameTimer();
11979 cmailOldMove = forwardMostMove;
11982 /* currentMoveString is set as a side-effect of yylex */
11984 thinkOutput[0] = NULLCHAR;
11985 MakeMove(fromX, fromY, toX, toY, promoChar);
11986 killX = killY = -1; // [HGM] lion: used up
11987 currentMove = forwardMostMove;
11992 /* Load the nth game from the given file */
11994 LoadGameFromFile (char *filename, int n, char *title, int useList)
11999 if (strcmp(filename, "-") == 0) {
12003 f = fopen(filename, "rb");
12005 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12006 DisplayError(buf, errno);
12010 if (fseek(f, 0, 0) == -1) {
12011 /* f is not seekable; probably a pipe */
12014 if (useList && n == 0) {
12015 int error = GameListBuild(f);
12017 DisplayError(_("Cannot build game list"), error);
12018 } else if (!ListEmpty(&gameList) &&
12019 ((ListGame *) gameList.tailPred)->number > 1) {
12020 GameListPopUp(f, title);
12027 return LoadGame(f, n, title, FALSE);
12032 MakeRegisteredMove ()
12034 int fromX, fromY, toX, toY;
12036 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12037 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12040 if (appData.debugMode)
12041 fprintf(debugFP, "Restoring %s for game %d\n",
12042 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12044 thinkOutput[0] = NULLCHAR;
12045 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12046 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12047 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12048 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12049 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12050 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12051 MakeMove(fromX, fromY, toX, toY, promoChar);
12052 ShowMove(fromX, fromY, toX, toY);
12054 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12061 if (WhiteOnMove(currentMove)) {
12062 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12064 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12069 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12076 if (WhiteOnMove(currentMove)) {
12077 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12079 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12084 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12095 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12097 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12101 if (gameNumber > nCmailGames) {
12102 DisplayError(_("No more games in this message"), 0);
12105 if (f == lastLoadGameFP) {
12106 int offset = gameNumber - lastLoadGameNumber;
12108 cmailMsg[0] = NULLCHAR;
12109 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12110 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12111 nCmailMovesRegistered--;
12113 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12114 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12115 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12118 if (! RegisterMove()) return FALSE;
12122 retVal = LoadGame(f, gameNumber, title, useList);
12124 /* Make move registered during previous look at this game, if any */
12125 MakeRegisteredMove();
12127 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12128 commentList[currentMove]
12129 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12130 DisplayComment(currentMove - 1, commentList[currentMove]);
12136 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12138 ReloadGame (int offset)
12140 int gameNumber = lastLoadGameNumber + offset;
12141 if (lastLoadGameFP == NULL) {
12142 DisplayError(_("No game has been loaded yet"), 0);
12145 if (gameNumber <= 0) {
12146 DisplayError(_("Can't back up any further"), 0);
12149 if (cmailMsgLoaded) {
12150 return CmailLoadGame(lastLoadGameFP, gameNumber,
12151 lastLoadGameTitle, lastLoadGameUseList);
12153 return LoadGame(lastLoadGameFP, gameNumber,
12154 lastLoadGameTitle, lastLoadGameUseList);
12158 int keys[EmptySquare+1];
12161 PositionMatches (Board b1, Board b2)
12164 switch(appData.searchMode) {
12165 case 1: return CompareWithRights(b1, b2);
12167 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12168 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12172 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12173 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12174 sum += keys[b1[r][f]] - keys[b2[r][f]];
12178 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12179 sum += keys[b1[r][f]] - keys[b2[r][f]];
12191 int pieceList[256], quickBoard[256];
12192 ChessSquare pieceType[256] = { EmptySquare };
12193 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12194 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12195 int soughtTotal, turn;
12196 Boolean epOK, flipSearch;
12199 unsigned char piece, to;
12202 #define DSIZE (250000)
12204 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12205 Move *moveDatabase = initialSpace;
12206 unsigned int movePtr, dataSize = DSIZE;
12209 MakePieceList (Board board, int *counts)
12211 int r, f, n=Q_PROMO, total=0;
12212 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12213 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12214 int sq = f + (r<<4);
12215 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12216 quickBoard[sq] = ++n;
12218 pieceType[n] = board[r][f];
12219 counts[board[r][f]]++;
12220 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12221 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12225 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12230 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12232 int sq = fromX + (fromY<<4);
12233 int piece = quickBoard[sq], rook;
12234 quickBoard[sq] = 0;
12235 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12236 if(piece == pieceList[1] && fromY == toY) {
12237 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12238 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12239 moveDatabase[movePtr++].piece = Q_WCASTL;
12240 quickBoard[sq] = piece;
12241 piece = quickBoard[from]; quickBoard[from] = 0;
12242 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12243 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12244 quickBoard[sq] = 0; // remove Rook
12245 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12246 moveDatabase[movePtr++].piece = Q_WCASTL;
12247 quickBoard[sq] = pieceList[1]; // put King
12249 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12252 if(piece == pieceList[2] && fromY == toY) {
12253 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12254 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12255 moveDatabase[movePtr++].piece = Q_BCASTL;
12256 quickBoard[sq] = piece;
12257 piece = quickBoard[from]; quickBoard[from] = 0;
12258 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12259 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12260 quickBoard[sq] = 0; // remove Rook
12261 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12262 moveDatabase[movePtr++].piece = Q_BCASTL;
12263 quickBoard[sq] = pieceList[2]; // put King
12265 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12268 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12269 quickBoard[(fromY<<4)+toX] = 0;
12270 moveDatabase[movePtr].piece = Q_EP;
12271 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12272 moveDatabase[movePtr].to = sq;
12274 if(promoPiece != pieceType[piece]) {
12275 moveDatabase[movePtr++].piece = Q_PROMO;
12276 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12278 moveDatabase[movePtr].piece = piece;
12279 quickBoard[sq] = piece;
12284 PackGame (Board board)
12286 Move *newSpace = NULL;
12287 moveDatabase[movePtr].piece = 0; // terminate previous game
12288 if(movePtr > dataSize) {
12289 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12290 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12291 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12294 Move *p = moveDatabase, *q = newSpace;
12295 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12296 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12297 moveDatabase = newSpace;
12298 } else { // calloc failed, we must be out of memory. Too bad...
12299 dataSize = 0; // prevent calloc events for all subsequent games
12300 return 0; // and signal this one isn't cached
12304 MakePieceList(board, counts);
12309 QuickCompare (Board board, int *minCounts, int *maxCounts)
12310 { // compare according to search mode
12312 switch(appData.searchMode)
12314 case 1: // exact position match
12315 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12316 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12317 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12320 case 2: // can have extra material on empty squares
12321 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12322 if(board[r][f] == EmptySquare) continue;
12323 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12326 case 3: // material with exact Pawn structure
12327 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12328 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12329 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12330 } // fall through to material comparison
12331 case 4: // exact material
12332 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12334 case 6: // material range with given imbalance
12335 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12336 // fall through to range comparison
12337 case 5: // material range
12338 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12344 QuickScan (Board board, Move *move)
12345 { // reconstruct game,and compare all positions in it
12346 int cnt=0, stretch=0, total = MakePieceList(board, counts);
12348 int piece = move->piece;
12349 int to = move->to, from = pieceList[piece];
12350 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12351 if(!piece) return -1;
12352 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12353 piece = (++move)->piece;
12354 from = pieceList[piece];
12355 counts[pieceType[piece]]--;
12356 pieceType[piece] = (ChessSquare) move->to;
12357 counts[move->to]++;
12358 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12359 counts[pieceType[quickBoard[to]]]--;
12360 quickBoard[to] = 0; total--;
12363 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12364 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12365 from = pieceList[piece]; // so this must be King
12366 quickBoard[from] = 0;
12367 pieceList[piece] = to;
12368 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12369 quickBoard[from] = 0; // rook
12370 quickBoard[to] = piece;
12371 to = move->to; piece = move->piece;
12375 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12376 if((total -= (quickBoard[to] != 0)) < soughtTotal) return -1; // piece count dropped below what we search for
12377 quickBoard[from] = 0;
12379 quickBoard[to] = piece;
12380 pieceList[piece] = to;
12382 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12383 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12384 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12385 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12387 static int lastCounts[EmptySquare+1];
12389 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12390 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12391 } else stretch = 0;
12392 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) return cnt + 1 - stretch;
12401 flipSearch = FALSE;
12402 CopyBoard(soughtBoard, boards[currentMove]);
12403 soughtTotal = MakePieceList(soughtBoard, maxSought);
12404 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12405 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12406 CopyBoard(reverseBoard, boards[currentMove]);
12407 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12408 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12409 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12410 reverseBoard[r][f] = piece;
12412 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12413 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12414 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12415 || (boards[currentMove][CASTLING][2] == NoRights ||
12416 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12417 && (boards[currentMove][CASTLING][5] == NoRights ||
12418 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12421 CopyBoard(flipBoard, soughtBoard);
12422 CopyBoard(rotateBoard, reverseBoard);
12423 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12424 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12425 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12428 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12429 if(appData.searchMode >= 5) {
12430 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12431 MakePieceList(soughtBoard, minSought);
12432 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12434 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12435 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12438 GameInfo dummyInfo;
12439 static int creatingBook;
12442 GameContainsPosition (FILE *f, ListGame *lg)
12444 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12445 int fromX, fromY, toX, toY;
12447 static int initDone=FALSE;
12449 // weed out games based on numerical tag comparison
12450 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12451 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12452 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12453 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12455 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12458 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12459 else CopyBoard(boards[scratch], initialPosition); // default start position
12462 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12463 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12466 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12467 fseek(f, lg->offset, 0);
12470 yyboardindex = scratch;
12471 quickFlag = plyNr+1;
12476 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12482 if(plyNr) return -1; // after we have seen moves, this is for new game
12485 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12486 case ImpossibleMove:
12487 case WhiteWins: // game ends here with these four
12490 case GameUnfinished:
12494 if(appData.testLegality) return -1;
12495 case WhiteCapturesEnPassant:
12496 case BlackCapturesEnPassant:
12497 case WhitePromotion:
12498 case BlackPromotion:
12499 case WhiteNonPromotion:
12500 case BlackNonPromotion:
12503 case WhiteKingSideCastle:
12504 case WhiteQueenSideCastle:
12505 case BlackKingSideCastle:
12506 case BlackQueenSideCastle:
12507 case WhiteKingSideCastleWild:
12508 case WhiteQueenSideCastleWild:
12509 case BlackKingSideCastleWild:
12510 case BlackQueenSideCastleWild:
12511 case WhiteHSideCastleFR:
12512 case WhiteASideCastleFR:
12513 case BlackHSideCastleFR:
12514 case BlackASideCastleFR:
12515 fromX = currentMoveString[0] - AAA;
12516 fromY = currentMoveString[1] - ONE;
12517 toX = currentMoveString[2] - AAA;
12518 toY = currentMoveString[3] - ONE;
12519 promoChar = currentMoveString[4];
12523 fromX = next == WhiteDrop ?
12524 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12525 (int) CharToPiece(ToLower(currentMoveString[0]));
12527 toX = currentMoveString[2] - AAA;
12528 toY = currentMoveString[3] - ONE;
12532 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12534 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12535 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12536 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12537 if(appData.findMirror) {
12538 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12539 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12544 /* Load the nth game from open file f */
12546 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12550 int gn = gameNumber;
12551 ListGame *lg = NULL;
12552 int numPGNTags = 0;
12554 GameMode oldGameMode;
12555 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12557 if (appData.debugMode)
12558 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12560 if (gameMode == Training )
12561 SetTrainingModeOff();
12563 oldGameMode = gameMode;
12564 if (gameMode != BeginningOfGame) {
12565 Reset(FALSE, TRUE);
12567 killX = killY = -1; // [HGM] lion: in case we did not Reset
12570 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12571 fclose(lastLoadGameFP);
12575 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12578 fseek(f, lg->offset, 0);
12579 GameListHighlight(gameNumber);
12580 pos = lg->position;
12584 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12585 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12587 DisplayError(_("Game number out of range"), 0);
12592 if (fseek(f, 0, 0) == -1) {
12593 if (f == lastLoadGameFP ?
12594 gameNumber == lastLoadGameNumber + 1 :
12598 DisplayError(_("Can't seek on game file"), 0);
12603 lastLoadGameFP = f;
12604 lastLoadGameNumber = gameNumber;
12605 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12606 lastLoadGameUseList = useList;
12610 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12611 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12612 lg->gameInfo.black);
12614 } else if (*title != NULLCHAR) {
12615 if (gameNumber > 1) {
12616 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12619 DisplayTitle(title);
12623 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12624 gameMode = PlayFromGameFile;
12628 currentMove = forwardMostMove = backwardMostMove = 0;
12629 CopyBoard(boards[0], initialPosition);
12633 * Skip the first gn-1 games in the file.
12634 * Also skip over anything that precedes an identifiable
12635 * start of game marker, to avoid being confused by
12636 * garbage at the start of the file. Currently
12637 * recognized start of game markers are the move number "1",
12638 * the pattern "gnuchess .* game", the pattern
12639 * "^[#;%] [^ ]* game file", and a PGN tag block.
12640 * A game that starts with one of the latter two patterns
12641 * will also have a move number 1, possibly
12642 * following a position diagram.
12643 * 5-4-02: Let's try being more lenient and allowing a game to
12644 * start with an unnumbered move. Does that break anything?
12646 cm = lastLoadGameStart = EndOfFile;
12648 yyboardindex = forwardMostMove;
12649 cm = (ChessMove) Myylex();
12652 if (cmailMsgLoaded) {
12653 nCmailGames = CMAIL_MAX_GAMES - gn;
12656 DisplayError(_("Game not found in file"), 0);
12663 lastLoadGameStart = cm;
12666 case MoveNumberOne:
12667 switch (lastLoadGameStart) {
12672 case MoveNumberOne:
12674 gn--; /* count this game */
12675 lastLoadGameStart = cm;
12684 switch (lastLoadGameStart) {
12687 case MoveNumberOne:
12689 gn--; /* count this game */
12690 lastLoadGameStart = cm;
12693 lastLoadGameStart = cm; /* game counted already */
12701 yyboardindex = forwardMostMove;
12702 cm = (ChessMove) Myylex();
12703 } while (cm == PGNTag || cm == Comment);
12710 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12711 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12712 != CMAIL_OLD_RESULT) {
12714 cmailResult[ CMAIL_MAX_GAMES
12715 - gn - 1] = CMAIL_OLD_RESULT;
12722 /* Only a NormalMove can be at the start of a game
12723 * without a position diagram. */
12724 if (lastLoadGameStart == EndOfFile ) {
12726 lastLoadGameStart = MoveNumberOne;
12735 if (appData.debugMode)
12736 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12738 if (cm == XBoardGame) {
12739 /* Skip any header junk before position diagram and/or move 1 */
12741 yyboardindex = forwardMostMove;
12742 cm = (ChessMove) Myylex();
12744 if (cm == EndOfFile ||
12745 cm == GNUChessGame || cm == XBoardGame) {
12746 /* Empty game; pretend end-of-file and handle later */
12751 if (cm == MoveNumberOne || cm == PositionDiagram ||
12752 cm == PGNTag || cm == Comment)
12755 } else if (cm == GNUChessGame) {
12756 if (gameInfo.event != NULL) {
12757 free(gameInfo.event);
12759 gameInfo.event = StrSave(yy_text);
12762 startedFromSetupPosition = FALSE;
12763 while (cm == PGNTag) {
12764 if (appData.debugMode)
12765 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12766 err = ParsePGNTag(yy_text, &gameInfo);
12767 if (!err) numPGNTags++;
12769 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12770 if(gameInfo.variant != oldVariant) {
12771 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12772 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12773 InitPosition(TRUE);
12774 oldVariant = gameInfo.variant;
12775 if (appData.debugMode)
12776 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12780 if (gameInfo.fen != NULL) {
12781 Board initial_position;
12782 startedFromSetupPosition = TRUE;
12783 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12785 DisplayError(_("Bad FEN position in file"), 0);
12788 CopyBoard(boards[0], initial_position);
12789 if (blackPlaysFirst) {
12790 currentMove = forwardMostMove = backwardMostMove = 1;
12791 CopyBoard(boards[1], initial_position);
12792 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12793 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12794 timeRemaining[0][1] = whiteTimeRemaining;
12795 timeRemaining[1][1] = blackTimeRemaining;
12796 if (commentList[0] != NULL) {
12797 commentList[1] = commentList[0];
12798 commentList[0] = NULL;
12801 currentMove = forwardMostMove = backwardMostMove = 0;
12803 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12805 initialRulePlies = FENrulePlies;
12806 for( i=0; i< nrCastlingRights; i++ )
12807 initialRights[i] = initial_position[CASTLING][i];
12809 yyboardindex = forwardMostMove;
12810 free(gameInfo.fen);
12811 gameInfo.fen = NULL;
12814 yyboardindex = forwardMostMove;
12815 cm = (ChessMove) Myylex();
12817 /* Handle comments interspersed among the tags */
12818 while (cm == Comment) {
12820 if (appData.debugMode)
12821 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12823 AppendComment(currentMove, p, FALSE);
12824 yyboardindex = forwardMostMove;
12825 cm = (ChessMove) Myylex();
12829 /* don't rely on existence of Event tag since if game was
12830 * pasted from clipboard the Event tag may not exist
12832 if (numPGNTags > 0){
12834 if (gameInfo.variant == VariantNormal) {
12835 VariantClass v = StringToVariant(gameInfo.event);
12836 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12837 if(v < VariantShogi) gameInfo.variant = v;
12840 if( appData.autoDisplayTags ) {
12841 tags = PGNTags(&gameInfo);
12842 TagsPopUp(tags, CmailMsg());
12847 /* Make something up, but don't display it now */
12852 if (cm == PositionDiagram) {
12855 Board initial_position;
12857 if (appData.debugMode)
12858 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12860 if (!startedFromSetupPosition) {
12862 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12863 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12874 initial_position[i][j++] = CharToPiece(*p);
12877 while (*p == ' ' || *p == '\t' ||
12878 *p == '\n' || *p == '\r') p++;
12880 if (strncmp(p, "black", strlen("black"))==0)
12881 blackPlaysFirst = TRUE;
12883 blackPlaysFirst = FALSE;
12884 startedFromSetupPosition = TRUE;
12886 CopyBoard(boards[0], initial_position);
12887 if (blackPlaysFirst) {
12888 currentMove = forwardMostMove = backwardMostMove = 1;
12889 CopyBoard(boards[1], initial_position);
12890 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12891 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12892 timeRemaining[0][1] = whiteTimeRemaining;
12893 timeRemaining[1][1] = blackTimeRemaining;
12894 if (commentList[0] != NULL) {
12895 commentList[1] = commentList[0];
12896 commentList[0] = NULL;
12899 currentMove = forwardMostMove = backwardMostMove = 0;
12902 yyboardindex = forwardMostMove;
12903 cm = (ChessMove) Myylex();
12906 if(!creatingBook) {
12907 if (first.pr == NoProc) {
12908 StartChessProgram(&first);
12910 InitChessProgram(&first, FALSE);
12911 SendToProgram("force\n", &first);
12912 if (startedFromSetupPosition) {
12913 SendBoard(&first, forwardMostMove);
12914 if (appData.debugMode) {
12915 fprintf(debugFP, "Load Game\n");
12917 DisplayBothClocks();
12921 /* [HGM] server: flag to write setup moves in broadcast file as one */
12922 loadFlag = appData.suppressLoadMoves;
12924 while (cm == Comment) {
12926 if (appData.debugMode)
12927 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12929 AppendComment(currentMove, p, FALSE);
12930 yyboardindex = forwardMostMove;
12931 cm = (ChessMove) Myylex();
12934 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12935 cm == WhiteWins || cm == BlackWins ||
12936 cm == GameIsDrawn || cm == GameUnfinished) {
12937 DisplayMessage("", _("No moves in game"));
12938 if (cmailMsgLoaded) {
12939 if (appData.debugMode)
12940 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12944 DrawPosition(FALSE, boards[currentMove]);
12945 DisplayBothClocks();
12946 gameMode = EditGame;
12953 // [HGM] PV info: routine tests if comment empty
12954 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12955 DisplayComment(currentMove - 1, commentList[currentMove]);
12957 if (!matchMode && appData.timeDelay != 0)
12958 DrawPosition(FALSE, boards[currentMove]);
12960 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12961 programStats.ok_to_send = 1;
12964 /* if the first token after the PGN tags is a move
12965 * and not move number 1, retrieve it from the parser
12967 if (cm != MoveNumberOne)
12968 LoadGameOneMove(cm);
12970 /* load the remaining moves from the file */
12971 while (LoadGameOneMove(EndOfFile)) {
12972 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
12973 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
12976 /* rewind to the start of the game */
12977 currentMove = backwardMostMove;
12979 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
12981 if (oldGameMode == AnalyzeFile) {
12982 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
12983 AnalyzeFileEvent();
12985 if (oldGameMode == AnalyzeMode) {
12986 AnalyzeFileEvent();
12989 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
12990 long int w, b; // [HGM] adjourn: restore saved clock times
12991 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
12992 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
12993 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
12994 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
12998 if(creatingBook) return TRUE;
12999 if (!matchMode && pos > 0) {
13000 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13002 if (matchMode || appData.timeDelay == 0) {
13004 } else if (appData.timeDelay > 0) {
13005 AutoPlayGameLoop();
13008 if (appData.debugMode)
13009 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13011 loadFlag = 0; /* [HGM] true game starts */
13015 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13017 ReloadPosition (int offset)
13019 int positionNumber = lastLoadPositionNumber + offset;
13020 if (lastLoadPositionFP == NULL) {
13021 DisplayError(_("No position has been loaded yet"), 0);
13024 if (positionNumber <= 0) {
13025 DisplayError(_("Can't back up any further"), 0);
13028 return LoadPosition(lastLoadPositionFP, positionNumber,
13029 lastLoadPositionTitle);
13032 /* Load the nth position from the given file */
13034 LoadPositionFromFile (char *filename, int n, char *title)
13039 if (strcmp(filename, "-") == 0) {
13040 return LoadPosition(stdin, n, "stdin");
13042 f = fopen(filename, "rb");
13044 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13045 DisplayError(buf, errno);
13048 return LoadPosition(f, n, title);
13053 /* Load the nth position from the given open file, and close it */
13055 LoadPosition (FILE *f, int positionNumber, char *title)
13057 char *p, line[MSG_SIZ];
13058 Board initial_position;
13059 int i, j, fenMode, pn;
13061 if (gameMode == Training )
13062 SetTrainingModeOff();
13064 if (gameMode != BeginningOfGame) {
13065 Reset(FALSE, TRUE);
13067 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13068 fclose(lastLoadPositionFP);
13070 if (positionNumber == 0) positionNumber = 1;
13071 lastLoadPositionFP = f;
13072 lastLoadPositionNumber = positionNumber;
13073 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13074 if (first.pr == NoProc && !appData.noChessProgram) {
13075 StartChessProgram(&first);
13076 InitChessProgram(&first, FALSE);
13078 pn = positionNumber;
13079 if (positionNumber < 0) {
13080 /* Negative position number means to seek to that byte offset */
13081 if (fseek(f, -positionNumber, 0) == -1) {
13082 DisplayError(_("Can't seek on position file"), 0);
13087 if (fseek(f, 0, 0) == -1) {
13088 if (f == lastLoadPositionFP ?
13089 positionNumber == lastLoadPositionNumber + 1 :
13090 positionNumber == 1) {
13093 DisplayError(_("Can't seek on position file"), 0);
13098 /* See if this file is FEN or old-style xboard */
13099 if (fgets(line, MSG_SIZ, f) == NULL) {
13100 DisplayError(_("Position not found in file"), 0);
13103 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
13104 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
13107 if (fenMode || line[0] == '#') pn--;
13109 /* skip positions before number pn */
13110 if (fgets(line, MSG_SIZ, f) == NULL) {
13112 DisplayError(_("Position not found in file"), 0);
13115 if (fenMode || line[0] == '#') pn--;
13120 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13121 DisplayError(_("Bad FEN position in file"), 0);
13125 (void) fgets(line, MSG_SIZ, f);
13126 (void) fgets(line, MSG_SIZ, f);
13128 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13129 (void) fgets(line, MSG_SIZ, f);
13130 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13133 initial_position[i][j++] = CharToPiece(*p);
13137 blackPlaysFirst = FALSE;
13139 (void) fgets(line, MSG_SIZ, f);
13140 if (strncmp(line, "black", strlen("black"))==0)
13141 blackPlaysFirst = TRUE;
13144 startedFromSetupPosition = TRUE;
13146 CopyBoard(boards[0], initial_position);
13147 if (blackPlaysFirst) {
13148 currentMove = forwardMostMove = backwardMostMove = 1;
13149 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13150 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13151 CopyBoard(boards[1], initial_position);
13152 DisplayMessage("", _("Black to play"));
13154 currentMove = forwardMostMove = backwardMostMove = 0;
13155 DisplayMessage("", _("White to play"));
13157 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13158 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13159 SendToProgram("force\n", &first);
13160 SendBoard(&first, forwardMostMove);
13162 if (appData.debugMode) {
13164 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13165 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13166 fprintf(debugFP, "Load Position\n");
13169 if (positionNumber > 1) {
13170 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13171 DisplayTitle(line);
13173 DisplayTitle(title);
13175 gameMode = EditGame;
13178 timeRemaining[0][1] = whiteTimeRemaining;
13179 timeRemaining[1][1] = blackTimeRemaining;
13180 DrawPosition(FALSE, boards[currentMove]);
13187 CopyPlayerNameIntoFileName (char **dest, char *src)
13189 while (*src != NULLCHAR && *src != ',') {
13194 *(*dest)++ = *src++;
13200 DefaultFileName (char *ext)
13202 static char def[MSG_SIZ];
13205 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13207 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13209 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13211 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13218 /* Save the current game to the given file */
13220 SaveGameToFile (char *filename, int append)
13224 int result, i, t,tot=0;
13226 if (strcmp(filename, "-") == 0) {
13227 return SaveGame(stdout, 0, NULL);
13229 for(i=0; i<10; i++) { // upto 10 tries
13230 f = fopen(filename, append ? "a" : "w");
13231 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13232 if(f || errno != 13) break;
13233 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13237 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13238 DisplayError(buf, errno);
13241 safeStrCpy(buf, lastMsg, MSG_SIZ);
13242 DisplayMessage(_("Waiting for access to save file"), "");
13243 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13244 DisplayMessage(_("Saving game"), "");
13245 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13246 result = SaveGame(f, 0, NULL);
13247 DisplayMessage(buf, "");
13254 SavePart (char *str)
13256 static char buf[MSG_SIZ];
13259 p = strchr(str, ' ');
13260 if (p == NULL) return str;
13261 strncpy(buf, str, p - str);
13262 buf[p - str] = NULLCHAR;
13266 #define PGN_MAX_LINE 75
13268 #define PGN_SIDE_WHITE 0
13269 #define PGN_SIDE_BLACK 1
13272 FindFirstMoveOutOfBook (int side)
13276 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13277 int index = backwardMostMove;
13278 int has_book_hit = 0;
13280 if( (index % 2) != side ) {
13284 while( index < forwardMostMove ) {
13285 /* Check to see if engine is in book */
13286 int depth = pvInfoList[index].depth;
13287 int score = pvInfoList[index].score;
13293 else if( score == 0 && depth == 63 ) {
13294 in_book = 1; /* Zappa */
13296 else if( score == 2 && depth == 99 ) {
13297 in_book = 1; /* Abrok */
13300 has_book_hit += in_book;
13316 GetOutOfBookInfo (char * buf)
13320 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13322 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13323 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13327 if( oob[0] >= 0 || oob[1] >= 0 ) {
13328 for( i=0; i<2; i++ ) {
13332 if( i > 0 && oob[0] >= 0 ) {
13333 strcat( buf, " " );
13336 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13337 sprintf( buf+strlen(buf), "%s%.2f",
13338 pvInfoList[idx].score >= 0 ? "+" : "",
13339 pvInfoList[idx].score / 100.0 );
13345 /* Save game in PGN style and close the file */
13347 SaveGamePGN (FILE *f)
13349 int i, offset, linelen, newblock;
13352 int movelen, numlen, blank;
13353 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13355 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13357 PrintPGNTags(f, &gameInfo);
13359 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13361 if (backwardMostMove > 0 || startedFromSetupPosition) {
13362 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13363 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13364 fprintf(f, "\n{--------------\n");
13365 PrintPosition(f, backwardMostMove);
13366 fprintf(f, "--------------}\n");
13370 /* [AS] Out of book annotation */
13371 if( appData.saveOutOfBookInfo ) {
13374 GetOutOfBookInfo( buf );
13376 if( buf[0] != '\0' ) {
13377 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13384 i = backwardMostMove;
13388 while (i < forwardMostMove) {
13389 /* Print comments preceding this move */
13390 if (commentList[i] != NULL) {
13391 if (linelen > 0) fprintf(f, "\n");
13392 fprintf(f, "%s", commentList[i]);
13397 /* Format move number */
13399 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13402 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13404 numtext[0] = NULLCHAR;
13406 numlen = strlen(numtext);
13409 /* Print move number */
13410 blank = linelen > 0 && numlen > 0;
13411 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13420 fprintf(f, "%s", numtext);
13424 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13425 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13428 blank = linelen > 0 && movelen > 0;
13429 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13438 fprintf(f, "%s", move_buffer);
13439 linelen += movelen;
13441 /* [AS] Add PV info if present */
13442 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13443 /* [HGM] add time */
13444 char buf[MSG_SIZ]; int seconds;
13446 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13452 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13455 seconds = (seconds + 4)/10; // round to full seconds
13457 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13459 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13462 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13463 pvInfoList[i].score >= 0 ? "+" : "",
13464 pvInfoList[i].score / 100.0,
13465 pvInfoList[i].depth,
13468 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13470 /* Print score/depth */
13471 blank = linelen > 0 && movelen > 0;
13472 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13481 fprintf(f, "%s", move_buffer);
13482 linelen += movelen;
13488 /* Start a new line */
13489 if (linelen > 0) fprintf(f, "\n");
13491 /* Print comments after last move */
13492 if (commentList[i] != NULL) {
13493 fprintf(f, "%s\n", commentList[i]);
13497 if (gameInfo.resultDetails != NULL &&
13498 gameInfo.resultDetails[0] != NULLCHAR) {
13499 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13500 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13501 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13502 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13503 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13505 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13509 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13513 /* Save game in old style and close the file */
13515 SaveGameOldStyle (FILE *f)
13520 tm = time((time_t *) NULL);
13522 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13525 if (backwardMostMove > 0 || startedFromSetupPosition) {
13526 fprintf(f, "\n[--------------\n");
13527 PrintPosition(f, backwardMostMove);
13528 fprintf(f, "--------------]\n");
13533 i = backwardMostMove;
13534 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13536 while (i < forwardMostMove) {
13537 if (commentList[i] != NULL) {
13538 fprintf(f, "[%s]\n", commentList[i]);
13541 if ((i % 2) == 1) {
13542 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13545 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13547 if (commentList[i] != NULL) {
13551 if (i >= forwardMostMove) {
13555 fprintf(f, "%s\n", parseList[i]);
13560 if (commentList[i] != NULL) {
13561 fprintf(f, "[%s]\n", commentList[i]);
13564 /* This isn't really the old style, but it's close enough */
13565 if (gameInfo.resultDetails != NULL &&
13566 gameInfo.resultDetails[0] != NULLCHAR) {
13567 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13568 gameInfo.resultDetails);
13570 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13577 /* Save the current game to open file f and close the file */
13579 SaveGame (FILE *f, int dummy, char *dummy2)
13581 if (gameMode == EditPosition) EditPositionDone(TRUE);
13582 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13583 if (appData.oldSaveStyle)
13584 return SaveGameOldStyle(f);
13586 return SaveGamePGN(f);
13589 /* Save the current position to the given file */
13591 SavePositionToFile (char *filename)
13596 if (strcmp(filename, "-") == 0) {
13597 return SavePosition(stdout, 0, NULL);
13599 f = fopen(filename, "a");
13601 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13602 DisplayError(buf, errno);
13605 safeStrCpy(buf, lastMsg, MSG_SIZ);
13606 DisplayMessage(_("Waiting for access to save file"), "");
13607 flock(fileno(f), LOCK_EX); // [HGM] lock
13608 DisplayMessage(_("Saving position"), "");
13609 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13610 SavePosition(f, 0, NULL);
13611 DisplayMessage(buf, "");
13617 /* Save the current position to the given open file and close the file */
13619 SavePosition (FILE *f, int dummy, char *dummy2)
13624 if (gameMode == EditPosition) EditPositionDone(TRUE);
13625 if (appData.oldSaveStyle) {
13626 tm = time((time_t *) NULL);
13628 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13630 fprintf(f, "[--------------\n");
13631 PrintPosition(f, currentMove);
13632 fprintf(f, "--------------]\n");
13634 fen = PositionToFEN(currentMove, NULL, 1);
13635 fprintf(f, "%s\n", fen);
13643 ReloadCmailMsgEvent (int unregister)
13646 static char *inFilename = NULL;
13647 static char *outFilename;
13649 struct stat inbuf, outbuf;
13652 /* Any registered moves are unregistered if unregister is set, */
13653 /* i.e. invoked by the signal handler */
13655 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13656 cmailMoveRegistered[i] = FALSE;
13657 if (cmailCommentList[i] != NULL) {
13658 free(cmailCommentList[i]);
13659 cmailCommentList[i] = NULL;
13662 nCmailMovesRegistered = 0;
13665 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13666 cmailResult[i] = CMAIL_NOT_RESULT;
13670 if (inFilename == NULL) {
13671 /* Because the filenames are static they only get malloced once */
13672 /* and they never get freed */
13673 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13674 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13676 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13677 sprintf(outFilename, "%s.out", appData.cmailGameName);
13680 status = stat(outFilename, &outbuf);
13682 cmailMailedMove = FALSE;
13684 status = stat(inFilename, &inbuf);
13685 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13688 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13689 counts the games, notes how each one terminated, etc.
13691 It would be nice to remove this kludge and instead gather all
13692 the information while building the game list. (And to keep it
13693 in the game list nodes instead of having a bunch of fixed-size
13694 parallel arrays.) Note this will require getting each game's
13695 termination from the PGN tags, as the game list builder does
13696 not process the game moves. --mann
13698 cmailMsgLoaded = TRUE;
13699 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13701 /* Load first game in the file or popup game menu */
13702 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13704 #endif /* !WIN32 */
13712 char string[MSG_SIZ];
13714 if ( cmailMailedMove
13715 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13716 return TRUE; /* Allow free viewing */
13719 /* Unregister move to ensure that we don't leave RegisterMove */
13720 /* with the move registered when the conditions for registering no */
13722 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13723 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13724 nCmailMovesRegistered --;
13726 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13728 free(cmailCommentList[lastLoadGameNumber - 1]);
13729 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13733 if (cmailOldMove == -1) {
13734 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13738 if (currentMove > cmailOldMove + 1) {
13739 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13743 if (currentMove < cmailOldMove) {
13744 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13748 if (forwardMostMove > currentMove) {
13749 /* Silently truncate extra moves */
13753 if ( (currentMove == cmailOldMove + 1)
13754 || ( (currentMove == cmailOldMove)
13755 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13756 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13757 if (gameInfo.result != GameUnfinished) {
13758 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13761 if (commentList[currentMove] != NULL) {
13762 cmailCommentList[lastLoadGameNumber - 1]
13763 = StrSave(commentList[currentMove]);
13765 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13767 if (appData.debugMode)
13768 fprintf(debugFP, "Saving %s for game %d\n",
13769 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13771 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13773 f = fopen(string, "w");
13774 if (appData.oldSaveStyle) {
13775 SaveGameOldStyle(f); /* also closes the file */
13777 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13778 f = fopen(string, "w");
13779 SavePosition(f, 0, NULL); /* also closes the file */
13781 fprintf(f, "{--------------\n");
13782 PrintPosition(f, currentMove);
13783 fprintf(f, "--------------}\n\n");
13785 SaveGame(f, 0, NULL); /* also closes the file*/
13788 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13789 nCmailMovesRegistered ++;
13790 } else if (nCmailGames == 1) {
13791 DisplayError(_("You have not made a move yet"), 0);
13802 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13803 FILE *commandOutput;
13804 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13805 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13811 if (! cmailMsgLoaded) {
13812 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13816 if (nCmailGames == nCmailResults) {
13817 DisplayError(_("No unfinished games"), 0);
13821 #if CMAIL_PROHIBIT_REMAIL
13822 if (cmailMailedMove) {
13823 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);
13824 DisplayError(msg, 0);
13829 if (! (cmailMailedMove || RegisterMove())) return;
13831 if ( cmailMailedMove
13832 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13833 snprintf(string, MSG_SIZ, partCommandString,
13834 appData.debugMode ? " -v" : "", appData.cmailGameName);
13835 commandOutput = popen(string, "r");
13837 if (commandOutput == NULL) {
13838 DisplayError(_("Failed to invoke cmail"), 0);
13840 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13841 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13843 if (nBuffers > 1) {
13844 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13845 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13846 nBytes = MSG_SIZ - 1;
13848 (void) memcpy(msg, buffer, nBytes);
13850 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13852 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13853 cmailMailedMove = TRUE; /* Prevent >1 moves */
13856 for (i = 0; i < nCmailGames; i ++) {
13857 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13862 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13864 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13866 appData.cmailGameName,
13868 LoadGameFromFile(buffer, 1, buffer, FALSE);
13869 cmailMsgLoaded = FALSE;
13873 DisplayInformation(msg);
13874 pclose(commandOutput);
13877 if ((*cmailMsg) != '\0') {
13878 DisplayInformation(cmailMsg);
13883 #endif /* !WIN32 */
13892 int prependComma = 0;
13894 char string[MSG_SIZ]; /* Space for game-list */
13897 if (!cmailMsgLoaded) return "";
13899 if (cmailMailedMove) {
13900 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13902 /* Create a list of games left */
13903 snprintf(string, MSG_SIZ, "[");
13904 for (i = 0; i < nCmailGames; i ++) {
13905 if (! ( cmailMoveRegistered[i]
13906 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13907 if (prependComma) {
13908 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13910 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13914 strcat(string, number);
13917 strcat(string, "]");
13919 if (nCmailMovesRegistered + nCmailResults == 0) {
13920 switch (nCmailGames) {
13922 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13926 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13930 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13935 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13937 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13942 if (nCmailResults == nCmailGames) {
13943 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13945 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13950 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13962 if (gameMode == Training)
13963 SetTrainingModeOff();
13966 cmailMsgLoaded = FALSE;
13967 if (appData.icsActive) {
13968 SendToICS(ics_prefix);
13969 SendToICS("refresh\n");
13974 ExitEvent (int status)
13978 /* Give up on clean exit */
13982 /* Keep trying for clean exit */
13986 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
13987 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
13989 if (telnetISR != NULL) {
13990 RemoveInputSource(telnetISR);
13992 if (icsPR != NoProc) {
13993 DestroyChildProcess(icsPR, TRUE);
13996 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
13997 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
13999 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14000 /* make sure this other one finishes before killing it! */
14001 if(endingGame) { int count = 0;
14002 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14003 while(endingGame && count++ < 10) DoSleep(1);
14004 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14007 /* Kill off chess programs */
14008 if (first.pr != NoProc) {
14011 DoSleep( appData.delayBeforeQuit );
14012 SendToProgram("quit\n", &first);
14013 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14015 if (second.pr != NoProc) {
14016 DoSleep( appData.delayBeforeQuit );
14017 SendToProgram("quit\n", &second);
14018 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14020 if (first.isr != NULL) {
14021 RemoveInputSource(first.isr);
14023 if (second.isr != NULL) {
14024 RemoveInputSource(second.isr);
14027 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14028 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14030 ShutDownFrontEnd();
14035 PauseEngine (ChessProgramState *cps)
14037 SendToProgram("pause\n", cps);
14042 UnPauseEngine (ChessProgramState *cps)
14044 SendToProgram("resume\n", cps);
14051 if (appData.debugMode)
14052 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14056 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14058 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14059 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14060 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14062 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14063 HandleMachineMove(stashedInputMove, stalledEngine);
14064 stalledEngine = NULL;
14067 if (gameMode == MachinePlaysWhite ||
14068 gameMode == TwoMachinesPlay ||
14069 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14070 if(first.pause) UnPauseEngine(&first);
14071 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14072 if(second.pause) UnPauseEngine(&second);
14073 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14076 DisplayBothClocks();
14078 if (gameMode == PlayFromGameFile) {
14079 if (appData.timeDelay >= 0)
14080 AutoPlayGameLoop();
14081 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14082 Reset(FALSE, TRUE);
14083 SendToICS(ics_prefix);
14084 SendToICS("refresh\n");
14085 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14086 ForwardInner(forwardMostMove);
14088 pauseExamInvalid = FALSE;
14090 switch (gameMode) {
14094 pauseExamForwardMostMove = forwardMostMove;
14095 pauseExamInvalid = FALSE;
14098 case IcsPlayingWhite:
14099 case IcsPlayingBlack:
14103 case PlayFromGameFile:
14104 (void) StopLoadGameTimer();
14108 case BeginningOfGame:
14109 if (appData.icsActive) return;
14110 /* else fall through */
14111 case MachinePlaysWhite:
14112 case MachinePlaysBlack:
14113 case TwoMachinesPlay:
14114 if (forwardMostMove == 0)
14115 return; /* don't pause if no one has moved */
14116 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14117 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14118 if(onMove->pause) { // thinking engine can be paused
14119 PauseEngine(onMove); // do it
14120 if(onMove->other->pause) // pondering opponent can always be paused immediately
14121 PauseEngine(onMove->other);
14123 SendToProgram("easy\n", onMove->other);
14125 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14126 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14128 PauseEngine(&first);
14130 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14131 } else { // human on move, pause pondering by either method
14133 PauseEngine(&first);
14134 else if(appData.ponderNextMove)
14135 SendToProgram("easy\n", &first);
14138 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14148 EditCommentEvent ()
14150 char title[MSG_SIZ];
14152 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14153 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14155 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14156 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14157 parseList[currentMove - 1]);
14160 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14167 char *tags = PGNTags(&gameInfo);
14169 EditTagsPopUp(tags, NULL);
14176 if(second.analyzing) {
14177 SendToProgram("exit\n", &second);
14178 second.analyzing = FALSE;
14180 if (second.pr == NoProc) StartChessProgram(&second);
14181 InitChessProgram(&second, FALSE);
14182 FeedMovesToProgram(&second, currentMove);
14184 SendToProgram("analyze\n", &second);
14185 second.analyzing = TRUE;
14189 /* Toggle ShowThinking */
14191 ToggleShowThinking()
14193 appData.showThinking = !appData.showThinking;
14194 ShowThinkingEvent();
14198 AnalyzeModeEvent ()
14202 if (!first.analysisSupport) {
14203 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14204 DisplayError(buf, 0);
14207 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14208 if (appData.icsActive) {
14209 if (gameMode != IcsObserving) {
14210 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14211 DisplayError(buf, 0);
14213 if (appData.icsEngineAnalyze) {
14214 if (appData.debugMode)
14215 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14221 /* if enable, user wants to disable icsEngineAnalyze */
14222 if (appData.icsEngineAnalyze) {
14227 appData.icsEngineAnalyze = TRUE;
14228 if (appData.debugMode)
14229 fprintf(debugFP, "ICS engine analyze starting... \n");
14232 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14233 if (appData.noChessProgram || gameMode == AnalyzeMode)
14236 if (gameMode != AnalyzeFile) {
14237 if (!appData.icsEngineAnalyze) {
14239 if (gameMode != EditGame) return 0;
14241 if (!appData.showThinking) ToggleShowThinking();
14242 ResurrectChessProgram();
14243 SendToProgram("analyze\n", &first);
14244 first.analyzing = TRUE;
14245 /*first.maybeThinking = TRUE;*/
14246 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14247 EngineOutputPopUp();
14249 if (!appData.icsEngineAnalyze) {
14250 gameMode = AnalyzeMode;
14251 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14257 StartAnalysisClock();
14258 GetTimeMark(&lastNodeCountTime);
14264 AnalyzeFileEvent ()
14266 if (appData.noChessProgram || gameMode == AnalyzeFile)
14269 if (!first.analysisSupport) {
14271 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14272 DisplayError(buf, 0);
14276 if (gameMode != AnalyzeMode) {
14277 keepInfo = 1; // mere annotating should not alter PGN tags
14280 if (gameMode != EditGame) return;
14281 if (!appData.showThinking) ToggleShowThinking();
14282 ResurrectChessProgram();
14283 SendToProgram("analyze\n", &first);
14284 first.analyzing = TRUE;
14285 /*first.maybeThinking = TRUE;*/
14286 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14287 EngineOutputPopUp();
14289 gameMode = AnalyzeFile;
14293 StartAnalysisClock();
14294 GetTimeMark(&lastNodeCountTime);
14296 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14297 AnalysisPeriodicEvent(1);
14301 MachineWhiteEvent ()
14304 char *bookHit = NULL;
14306 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14310 if (gameMode == PlayFromGameFile ||
14311 gameMode == TwoMachinesPlay ||
14312 gameMode == Training ||
14313 gameMode == AnalyzeMode ||
14314 gameMode == EndOfGame)
14317 if (gameMode == EditPosition)
14318 EditPositionDone(TRUE);
14320 if (!WhiteOnMove(currentMove)) {
14321 DisplayError(_("It is not White's turn"), 0);
14325 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14328 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14329 gameMode == AnalyzeFile)
14332 ResurrectChessProgram(); /* in case it isn't running */
14333 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14334 gameMode = MachinePlaysWhite;
14337 gameMode = MachinePlaysWhite;
14341 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14343 if (first.sendName) {
14344 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14345 SendToProgram(buf, &first);
14347 if (first.sendTime) {
14348 if (first.useColors) {
14349 SendToProgram("black\n", &first); /*gnu kludge*/
14351 SendTimeRemaining(&first, TRUE);
14353 if (first.useColors) {
14354 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14356 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14357 SetMachineThinkingEnables();
14358 first.maybeThinking = TRUE;
14362 if (appData.autoFlipView && !flipView) {
14363 flipView = !flipView;
14364 DrawPosition(FALSE, NULL);
14365 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14368 if(bookHit) { // [HGM] book: simulate book reply
14369 static char bookMove[MSG_SIZ]; // a bit generous?
14371 programStats.nodes = programStats.depth = programStats.time =
14372 programStats.score = programStats.got_only_move = 0;
14373 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14375 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14376 strcat(bookMove, bookHit);
14377 HandleMachineMove(bookMove, &first);
14382 MachineBlackEvent ()
14385 char *bookHit = NULL;
14387 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14391 if (gameMode == PlayFromGameFile ||
14392 gameMode == TwoMachinesPlay ||
14393 gameMode == Training ||
14394 gameMode == AnalyzeMode ||
14395 gameMode == EndOfGame)
14398 if (gameMode == EditPosition)
14399 EditPositionDone(TRUE);
14401 if (WhiteOnMove(currentMove)) {
14402 DisplayError(_("It is not Black's turn"), 0);
14406 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14409 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14410 gameMode == AnalyzeFile)
14413 ResurrectChessProgram(); /* in case it isn't running */
14414 gameMode = MachinePlaysBlack;
14418 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14420 if (first.sendName) {
14421 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14422 SendToProgram(buf, &first);
14424 if (first.sendTime) {
14425 if (first.useColors) {
14426 SendToProgram("white\n", &first); /*gnu kludge*/
14428 SendTimeRemaining(&first, FALSE);
14430 if (first.useColors) {
14431 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14433 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14434 SetMachineThinkingEnables();
14435 first.maybeThinking = TRUE;
14438 if (appData.autoFlipView && flipView) {
14439 flipView = !flipView;
14440 DrawPosition(FALSE, NULL);
14441 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14443 if(bookHit) { // [HGM] book: simulate book reply
14444 static char bookMove[MSG_SIZ]; // a bit generous?
14446 programStats.nodes = programStats.depth = programStats.time =
14447 programStats.score = programStats.got_only_move = 0;
14448 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14450 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14451 strcat(bookMove, bookHit);
14452 HandleMachineMove(bookMove, &first);
14458 DisplayTwoMachinesTitle ()
14461 if (appData.matchGames > 0) {
14462 if(appData.tourneyFile[0]) {
14463 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14464 gameInfo.white, _("vs."), gameInfo.black,
14465 nextGame+1, appData.matchGames+1,
14466 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14468 if (first.twoMachinesColor[0] == 'w') {
14469 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14470 gameInfo.white, _("vs."), gameInfo.black,
14471 first.matchWins, second.matchWins,
14472 matchGame - 1 - (first.matchWins + second.matchWins));
14474 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14475 gameInfo.white, _("vs."), gameInfo.black,
14476 second.matchWins, first.matchWins,
14477 matchGame - 1 - (first.matchWins + second.matchWins));
14480 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14486 SettingsMenuIfReady ()
14488 if (second.lastPing != second.lastPong) {
14489 DisplayMessage("", _("Waiting for second chess program"));
14490 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14494 DisplayMessage("", "");
14495 SettingsPopUp(&second);
14499 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14502 if (cps->pr == NoProc) {
14503 StartChessProgram(cps);
14504 if (cps->protocolVersion == 1) {
14506 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14508 /* kludge: allow timeout for initial "feature" command */
14509 if(retry != TwoMachinesEventIfReady) FreezeUI();
14510 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14511 DisplayMessage("", buf);
14512 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14520 TwoMachinesEvent P((void))
14524 ChessProgramState *onmove;
14525 char *bookHit = NULL;
14526 static int stalling = 0;
14530 if (appData.noChessProgram) return;
14532 switch (gameMode) {
14533 case TwoMachinesPlay:
14535 case MachinePlaysWhite:
14536 case MachinePlaysBlack:
14537 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14538 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14542 case BeginningOfGame:
14543 case PlayFromGameFile:
14546 if (gameMode != EditGame) return;
14549 EditPositionDone(TRUE);
14560 // forwardMostMove = currentMove;
14561 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14562 startingEngine = TRUE;
14564 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14566 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14567 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14568 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14571 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14573 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14574 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14575 startingEngine = FALSE;
14576 DisplayError("second engine does not play this", 0);
14581 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14582 SendToProgram("force\n", &second);
14584 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14587 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14588 if(appData.matchPause>10000 || appData.matchPause<10)
14589 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14590 wait = SubtractTimeMarks(&now, &pauseStart);
14591 if(wait < appData.matchPause) {
14592 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14595 // we are now committed to starting the game
14597 DisplayMessage("", "");
14598 if (startedFromSetupPosition) {
14599 SendBoard(&second, backwardMostMove);
14600 if (appData.debugMode) {
14601 fprintf(debugFP, "Two Machines\n");
14604 for (i = backwardMostMove; i < forwardMostMove; i++) {
14605 SendMoveToProgram(i, &second);
14608 gameMode = TwoMachinesPlay;
14609 pausing = startingEngine = FALSE;
14610 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14612 DisplayTwoMachinesTitle();
14614 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14619 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14620 SendToProgram(first.computerString, &first);
14621 if (first.sendName) {
14622 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14623 SendToProgram(buf, &first);
14625 SendToProgram(second.computerString, &second);
14626 if (second.sendName) {
14627 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14628 SendToProgram(buf, &second);
14632 if (!first.sendTime || !second.sendTime) {
14633 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14634 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14636 if (onmove->sendTime) {
14637 if (onmove->useColors) {
14638 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14640 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14642 if (onmove->useColors) {
14643 SendToProgram(onmove->twoMachinesColor, onmove);
14645 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14646 // SendToProgram("go\n", onmove);
14647 onmove->maybeThinking = TRUE;
14648 SetMachineThinkingEnables();
14652 if(bookHit) { // [HGM] book: simulate book reply
14653 static char bookMove[MSG_SIZ]; // a bit generous?
14655 programStats.nodes = programStats.depth = programStats.time =
14656 programStats.score = programStats.got_only_move = 0;
14657 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14659 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14660 strcat(bookMove, bookHit);
14661 savedMessage = bookMove; // args for deferred call
14662 savedState = onmove;
14663 ScheduleDelayedEvent(DeferredBookMove, 1);
14670 if (gameMode == Training) {
14671 SetTrainingModeOff();
14672 gameMode = PlayFromGameFile;
14673 DisplayMessage("", _("Training mode off"));
14675 gameMode = Training;
14676 animateTraining = appData.animate;
14678 /* make sure we are not already at the end of the game */
14679 if (currentMove < forwardMostMove) {
14680 SetTrainingModeOn();
14681 DisplayMessage("", _("Training mode on"));
14683 gameMode = PlayFromGameFile;
14684 DisplayError(_("Already at end of game"), 0);
14693 if (!appData.icsActive) return;
14694 switch (gameMode) {
14695 case IcsPlayingWhite:
14696 case IcsPlayingBlack:
14699 case BeginningOfGame:
14707 EditPositionDone(TRUE);
14720 gameMode = IcsIdle;
14730 switch (gameMode) {
14732 SetTrainingModeOff();
14734 case MachinePlaysWhite:
14735 case MachinePlaysBlack:
14736 case BeginningOfGame:
14737 SendToProgram("force\n", &first);
14738 SetUserThinkingEnables();
14740 case PlayFromGameFile:
14741 (void) StopLoadGameTimer();
14742 if (gameFileFP != NULL) {
14747 EditPositionDone(TRUE);
14752 SendToProgram("force\n", &first);
14754 case TwoMachinesPlay:
14755 GameEnds(EndOfFile, NULL, GE_PLAYER);
14756 ResurrectChessProgram();
14757 SetUserThinkingEnables();
14760 ResurrectChessProgram();
14762 case IcsPlayingBlack:
14763 case IcsPlayingWhite:
14764 DisplayError(_("Warning: You are still playing a game"), 0);
14767 DisplayError(_("Warning: You are still observing a game"), 0);
14770 DisplayError(_("Warning: You are still examining a game"), 0);
14781 first.offeredDraw = second.offeredDraw = 0;
14783 if (gameMode == PlayFromGameFile) {
14784 whiteTimeRemaining = timeRemaining[0][currentMove];
14785 blackTimeRemaining = timeRemaining[1][currentMove];
14789 if (gameMode == MachinePlaysWhite ||
14790 gameMode == MachinePlaysBlack ||
14791 gameMode == TwoMachinesPlay ||
14792 gameMode == EndOfGame) {
14793 i = forwardMostMove;
14794 while (i > currentMove) {
14795 SendToProgram("undo\n", &first);
14798 if(!adjustedClock) {
14799 whiteTimeRemaining = timeRemaining[0][currentMove];
14800 blackTimeRemaining = timeRemaining[1][currentMove];
14801 DisplayBothClocks();
14803 if (whiteFlag || blackFlag) {
14804 whiteFlag = blackFlag = 0;
14809 gameMode = EditGame;
14816 EditPositionEvent ()
14818 if (gameMode == EditPosition) {
14824 if (gameMode != EditGame) return;
14826 gameMode = EditPosition;
14829 if (currentMove > 0)
14830 CopyBoard(boards[0], boards[currentMove]);
14832 blackPlaysFirst = !WhiteOnMove(currentMove);
14834 currentMove = forwardMostMove = backwardMostMove = 0;
14835 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14837 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14843 /* [DM] icsEngineAnalyze - possible call from other functions */
14844 if (appData.icsEngineAnalyze) {
14845 appData.icsEngineAnalyze = FALSE;
14847 DisplayMessage("",_("Close ICS engine analyze..."));
14849 if (first.analysisSupport && first.analyzing) {
14850 SendToBoth("exit\n");
14851 first.analyzing = second.analyzing = FALSE;
14853 thinkOutput[0] = NULLCHAR;
14857 EditPositionDone (Boolean fakeRights)
14859 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14861 startedFromSetupPosition = TRUE;
14862 InitChessProgram(&first, FALSE);
14863 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14864 boards[0][EP_STATUS] = EP_NONE;
14865 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14866 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14867 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14868 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14869 } else boards[0][CASTLING][2] = NoRights;
14870 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14871 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14872 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14873 } else boards[0][CASTLING][5] = NoRights;
14874 if(gameInfo.variant == VariantSChess) {
14876 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14877 boards[0][VIRGIN][i] = 0;
14878 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14879 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14883 SendToProgram("force\n", &first);
14884 if (blackPlaysFirst) {
14885 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14886 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14887 currentMove = forwardMostMove = backwardMostMove = 1;
14888 CopyBoard(boards[1], boards[0]);
14890 currentMove = forwardMostMove = backwardMostMove = 0;
14892 SendBoard(&first, forwardMostMove);
14893 if (appData.debugMode) {
14894 fprintf(debugFP, "EditPosDone\n");
14897 DisplayMessage("", "");
14898 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14899 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14900 gameMode = EditGame;
14902 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14903 ClearHighlights(); /* [AS] */
14906 /* Pause for `ms' milliseconds */
14907 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14909 TimeDelay (long ms)
14916 } while (SubtractTimeMarks(&m2, &m1) < ms);
14919 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14921 SendMultiLineToICS (char *buf)
14923 char temp[MSG_SIZ+1], *p;
14930 strncpy(temp, buf, len);
14935 if (*p == '\n' || *p == '\r')
14940 strcat(temp, "\n");
14942 SendToPlayer(temp, strlen(temp));
14946 SetWhiteToPlayEvent ()
14948 if (gameMode == EditPosition) {
14949 blackPlaysFirst = FALSE;
14950 DisplayBothClocks(); /* works because currentMove is 0 */
14951 } else if (gameMode == IcsExamining) {
14952 SendToICS(ics_prefix);
14953 SendToICS("tomove white\n");
14958 SetBlackToPlayEvent ()
14960 if (gameMode == EditPosition) {
14961 blackPlaysFirst = TRUE;
14962 currentMove = 1; /* kludge */
14963 DisplayBothClocks();
14965 } else if (gameMode == IcsExamining) {
14966 SendToICS(ics_prefix);
14967 SendToICS("tomove black\n");
14972 EditPositionMenuEvent (ChessSquare selection, int x, int y)
14975 ChessSquare piece = boards[0][y][x];
14976 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
14977 static int lastVariant;
14979 if (gameMode != EditPosition && gameMode != IcsExamining) return;
14981 switch (selection) {
14983 CopyBoard(currentBoard, boards[0]);
14984 CopyBoard(menuBoard, initialPosition);
14985 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
14986 SendToICS(ics_prefix);
14987 SendToICS("bsetup clear\n");
14988 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
14989 SendToICS(ics_prefix);
14990 SendToICS("clearboard\n");
14993 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
14994 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
14995 for (y = 0; y < BOARD_HEIGHT; y++) {
14996 if (gameMode == IcsExamining) {
14997 if (boards[currentMove][y][x] != EmptySquare) {
14998 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15003 if(boards[0][y][x] != p) nonEmpty++;
15004 boards[0][y][x] = p;
15007 menuBoard[1][x] = menuBoard[BOARD_HEIGHT-2][x] = p;
15009 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15010 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15011 ChessSquare p = menuBoard[0][x];
15012 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[0][y] == p) menuBoard[0][y] = EmptySquare;
15013 p = menuBoard[BOARD_HEIGHT-1][x];
15014 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[BOARD_HEIGHT-1][y] == p) menuBoard[BOARD_HEIGHT-1][y] = EmptySquare;
15016 DisplayMessage("Clicking clock again restores position", "");
15017 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15018 if(!nonEmpty) { // asked to clear an empty board
15019 CopyBoard(boards[0], menuBoard);
15021 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15022 CopyBoard(boards[0], initialPosition);
15024 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15025 && !CompareBoards(nullBoard, erasedBoard)) {
15026 CopyBoard(boards[0], erasedBoard);
15028 CopyBoard(erasedBoard, currentBoard);
15032 if (gameMode == EditPosition) {
15033 DrawPosition(FALSE, boards[0]);
15038 SetWhiteToPlayEvent();
15042 SetBlackToPlayEvent();
15046 if (gameMode == IcsExamining) {
15047 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15048 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15051 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15052 if(x == BOARD_LEFT-2) {
15053 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15054 boards[0][y][1] = 0;
15056 if(x == BOARD_RGHT+1) {
15057 if(y >= gameInfo.holdingsSize) break;
15058 boards[0][y][BOARD_WIDTH-2] = 0;
15061 boards[0][y][x] = EmptySquare;
15062 DrawPosition(FALSE, boards[0]);
15067 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15068 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15069 selection = (ChessSquare) (PROMOTED piece);
15070 } else if(piece == EmptySquare) selection = WhiteSilver;
15071 else selection = (ChessSquare)((int)piece - 1);
15075 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15076 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15077 selection = (ChessSquare) (DEMOTED piece);
15078 } else if(piece == EmptySquare) selection = BlackSilver;
15079 else selection = (ChessSquare)((int)piece + 1);
15084 if(gameInfo.variant == VariantShatranj ||
15085 gameInfo.variant == VariantXiangqi ||
15086 gameInfo.variant == VariantCourier ||
15087 gameInfo.variant == VariantASEAN ||
15088 gameInfo.variant == VariantMakruk )
15089 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15094 if(gameInfo.variant == VariantXiangqi)
15095 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15096 if(gameInfo.variant == VariantKnightmate)
15097 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15100 if (gameMode == IcsExamining) {
15101 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15102 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15103 PieceToChar(selection), AAA + x, ONE + y);
15106 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15108 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15109 n = PieceToNumber(selection - BlackPawn);
15110 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15111 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15112 boards[0][BOARD_HEIGHT-1-n][1]++;
15114 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15115 n = PieceToNumber(selection);
15116 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15117 boards[0][n][BOARD_WIDTH-1] = selection;
15118 boards[0][n][BOARD_WIDTH-2]++;
15121 boards[0][y][x] = selection;
15122 DrawPosition(TRUE, boards[0]);
15124 fromX = fromY = -1;
15132 DropMenuEvent (ChessSquare selection, int x, int y)
15134 ChessMove moveType;
15136 switch (gameMode) {
15137 case IcsPlayingWhite:
15138 case MachinePlaysBlack:
15139 if (!WhiteOnMove(currentMove)) {
15140 DisplayMoveError(_("It is Black's turn"));
15143 moveType = WhiteDrop;
15145 case IcsPlayingBlack:
15146 case MachinePlaysWhite:
15147 if (WhiteOnMove(currentMove)) {
15148 DisplayMoveError(_("It is White's turn"));
15151 moveType = BlackDrop;
15154 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15160 if (moveType == BlackDrop && selection < BlackPawn) {
15161 selection = (ChessSquare) ((int) selection
15162 + (int) BlackPawn - (int) WhitePawn);
15164 if (boards[currentMove][y][x] != EmptySquare) {
15165 DisplayMoveError(_("That square is occupied"));
15169 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15175 /* Accept a pending offer of any kind from opponent */
15177 if (appData.icsActive) {
15178 SendToICS(ics_prefix);
15179 SendToICS("accept\n");
15180 } else if (cmailMsgLoaded) {
15181 if (currentMove == cmailOldMove &&
15182 commentList[cmailOldMove] != NULL &&
15183 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15184 "Black offers a draw" : "White offers a draw")) {
15186 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15187 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15189 DisplayError(_("There is no pending offer on this move"), 0);
15190 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15193 /* Not used for offers from chess program */
15200 /* Decline a pending offer of any kind from opponent */
15202 if (appData.icsActive) {
15203 SendToICS(ics_prefix);
15204 SendToICS("decline\n");
15205 } else if (cmailMsgLoaded) {
15206 if (currentMove == cmailOldMove &&
15207 commentList[cmailOldMove] != NULL &&
15208 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15209 "Black offers a draw" : "White offers a draw")) {
15211 AppendComment(cmailOldMove, "Draw declined", TRUE);
15212 DisplayComment(cmailOldMove - 1, "Draw declined");
15215 DisplayError(_("There is no pending offer on this move"), 0);
15218 /* Not used for offers from chess program */
15225 /* Issue ICS rematch command */
15226 if (appData.icsActive) {
15227 SendToICS(ics_prefix);
15228 SendToICS("rematch\n");
15235 /* Call your opponent's flag (claim a win on time) */
15236 if (appData.icsActive) {
15237 SendToICS(ics_prefix);
15238 SendToICS("flag\n");
15240 switch (gameMode) {
15243 case MachinePlaysWhite:
15246 GameEnds(GameIsDrawn, "Both players ran out of time",
15249 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15251 DisplayError(_("Your opponent is not out of time"), 0);
15254 case MachinePlaysBlack:
15257 GameEnds(GameIsDrawn, "Both players ran out of time",
15260 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15262 DisplayError(_("Your opponent is not out of time"), 0);
15270 ClockClick (int which)
15271 { // [HGM] code moved to back-end from winboard.c
15272 if(which) { // black clock
15273 if (gameMode == EditPosition || gameMode == IcsExamining) {
15274 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15275 SetBlackToPlayEvent();
15276 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !blackFlag && WhiteOnMove(currentMove)) {
15277 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15278 } else if (shiftKey) {
15279 AdjustClock(which, -1);
15280 } else if (gameMode == IcsPlayingWhite ||
15281 gameMode == MachinePlaysBlack) {
15284 } else { // white clock
15285 if (gameMode == EditPosition || gameMode == IcsExamining) {
15286 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15287 SetWhiteToPlayEvent();
15288 } else if ((gameMode == AnalyzeMode || gameMode == EditGame) && !whiteFlag && !WhiteOnMove(currentMove)) {
15289 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15290 } else if (shiftKey) {
15291 AdjustClock(which, -1);
15292 } else if (gameMode == IcsPlayingBlack ||
15293 gameMode == MachinePlaysWhite) {
15302 /* Offer draw or accept pending draw offer from opponent */
15304 if (appData.icsActive) {
15305 /* Note: tournament rules require draw offers to be
15306 made after you make your move but before you punch
15307 your clock. Currently ICS doesn't let you do that;
15308 instead, you immediately punch your clock after making
15309 a move, but you can offer a draw at any time. */
15311 SendToICS(ics_prefix);
15312 SendToICS("draw\n");
15313 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15314 } else if (cmailMsgLoaded) {
15315 if (currentMove == cmailOldMove &&
15316 commentList[cmailOldMove] != NULL &&
15317 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15318 "Black offers a draw" : "White offers a draw")) {
15319 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15320 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15321 } else if (currentMove == cmailOldMove + 1) {
15322 char *offer = WhiteOnMove(cmailOldMove) ?
15323 "White offers a draw" : "Black offers a draw";
15324 AppendComment(currentMove, offer, TRUE);
15325 DisplayComment(currentMove - 1, offer);
15326 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15328 DisplayError(_("You must make your move before offering a draw"), 0);
15329 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15331 } else if (first.offeredDraw) {
15332 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15334 if (first.sendDrawOffers) {
15335 SendToProgram("draw\n", &first);
15336 userOfferedDraw = TRUE;
15344 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15346 if (appData.icsActive) {
15347 SendToICS(ics_prefix);
15348 SendToICS("adjourn\n");
15350 /* Currently GNU Chess doesn't offer or accept Adjourns */
15358 /* Offer Abort or accept pending Abort offer from opponent */
15360 if (appData.icsActive) {
15361 SendToICS(ics_prefix);
15362 SendToICS("abort\n");
15364 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15371 /* Resign. You can do this even if it's not your turn. */
15373 if (appData.icsActive) {
15374 SendToICS(ics_prefix);
15375 SendToICS("resign\n");
15377 switch (gameMode) {
15378 case MachinePlaysWhite:
15379 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15381 case MachinePlaysBlack:
15382 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15385 if (cmailMsgLoaded) {
15387 if (WhiteOnMove(cmailOldMove)) {
15388 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15390 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15392 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15403 StopObservingEvent ()
15405 /* Stop observing current games */
15406 SendToICS(ics_prefix);
15407 SendToICS("unobserve\n");
15411 StopExaminingEvent ()
15413 /* Stop observing current game */
15414 SendToICS(ics_prefix);
15415 SendToICS("unexamine\n");
15419 ForwardInner (int target)
15421 int limit; int oldSeekGraphUp = seekGraphUp;
15423 if (appData.debugMode)
15424 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15425 target, currentMove, forwardMostMove);
15427 if (gameMode == EditPosition)
15430 seekGraphUp = FALSE;
15431 MarkTargetSquares(1);
15433 if (gameMode == PlayFromGameFile && !pausing)
15436 if (gameMode == IcsExamining && pausing)
15437 limit = pauseExamForwardMostMove;
15439 limit = forwardMostMove;
15441 if (target > limit) target = limit;
15443 if (target > 0 && moveList[target - 1][0]) {
15444 int fromX, fromY, toX, toY;
15445 toX = moveList[target - 1][2] - AAA;
15446 toY = moveList[target - 1][3] - ONE;
15447 if (moveList[target - 1][1] == '@') {
15448 if (appData.highlightLastMove) {
15449 SetHighlights(-1, -1, toX, toY);
15452 fromX = moveList[target - 1][0] - AAA;
15453 fromY = moveList[target - 1][1] - ONE;
15454 if (target == currentMove + 1) {
15455 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15457 if (appData.highlightLastMove) {
15458 SetHighlights(fromX, fromY, toX, toY);
15462 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15463 gameMode == Training || gameMode == PlayFromGameFile ||
15464 gameMode == AnalyzeFile) {
15465 while (currentMove < target) {
15466 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15467 SendMoveToProgram(currentMove++, &first);
15470 currentMove = target;
15473 if (gameMode == EditGame || gameMode == EndOfGame) {
15474 whiteTimeRemaining = timeRemaining[0][currentMove];
15475 blackTimeRemaining = timeRemaining[1][currentMove];
15477 DisplayBothClocks();
15478 DisplayMove(currentMove - 1);
15479 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15480 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15481 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15482 DisplayComment(currentMove - 1, commentList[currentMove]);
15484 ClearMap(); // [HGM] exclude: invalidate map
15491 if (gameMode == IcsExamining && !pausing) {
15492 SendToICS(ics_prefix);
15493 SendToICS("forward\n");
15495 ForwardInner(currentMove + 1);
15502 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15503 /* to optimze, we temporarily turn off analysis mode while we feed
15504 * the remaining moves to the engine. Otherwise we get analysis output
15507 if (first.analysisSupport) {
15508 SendToProgram("exit\nforce\n", &first);
15509 first.analyzing = FALSE;
15513 if (gameMode == IcsExamining && !pausing) {
15514 SendToICS(ics_prefix);
15515 SendToICS("forward 999999\n");
15517 ForwardInner(forwardMostMove);
15520 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15521 /* we have fed all the moves, so reactivate analysis mode */
15522 SendToProgram("analyze\n", &first);
15523 first.analyzing = TRUE;
15524 /*first.maybeThinking = TRUE;*/
15525 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15530 BackwardInner (int target)
15532 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15534 if (appData.debugMode)
15535 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15536 target, currentMove, forwardMostMove);
15538 if (gameMode == EditPosition) return;
15539 seekGraphUp = FALSE;
15540 MarkTargetSquares(1);
15541 if (currentMove <= backwardMostMove) {
15543 DrawPosition(full_redraw, boards[currentMove]);
15546 if (gameMode == PlayFromGameFile && !pausing)
15549 if (moveList[target][0]) {
15550 int fromX, fromY, toX, toY;
15551 toX = moveList[target][2] - AAA;
15552 toY = moveList[target][3] - ONE;
15553 if (moveList[target][1] == '@') {
15554 if (appData.highlightLastMove) {
15555 SetHighlights(-1, -1, toX, toY);
15558 fromX = moveList[target][0] - AAA;
15559 fromY = moveList[target][1] - ONE;
15560 if (target == currentMove - 1) {
15561 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15563 if (appData.highlightLastMove) {
15564 SetHighlights(fromX, fromY, toX, toY);
15568 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15569 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15570 while (currentMove > target) {
15571 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15572 // null move cannot be undone. Reload program with move history before it.
15574 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15575 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15577 SendBoard(&first, i);
15578 if(second.analyzing) SendBoard(&second, i);
15579 for(currentMove=i; currentMove<target; currentMove++) {
15580 SendMoveToProgram(currentMove, &first);
15581 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15585 SendToBoth("undo\n");
15589 currentMove = target;
15592 if (gameMode == EditGame || gameMode == EndOfGame) {
15593 whiteTimeRemaining = timeRemaining[0][currentMove];
15594 blackTimeRemaining = timeRemaining[1][currentMove];
15596 DisplayBothClocks();
15597 DisplayMove(currentMove - 1);
15598 DrawPosition(full_redraw, boards[currentMove]);
15599 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15600 // [HGM] PV info: routine tests if comment empty
15601 DisplayComment(currentMove - 1, commentList[currentMove]);
15602 ClearMap(); // [HGM] exclude: invalidate map
15608 if (gameMode == IcsExamining && !pausing) {
15609 SendToICS(ics_prefix);
15610 SendToICS("backward\n");
15612 BackwardInner(currentMove - 1);
15619 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15620 /* to optimize, we temporarily turn off analysis mode while we undo
15621 * all the moves. Otherwise we get analysis output after each undo.
15623 if (first.analysisSupport) {
15624 SendToProgram("exit\nforce\n", &first);
15625 first.analyzing = FALSE;
15629 if (gameMode == IcsExamining && !pausing) {
15630 SendToICS(ics_prefix);
15631 SendToICS("backward 999999\n");
15633 BackwardInner(backwardMostMove);
15636 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15637 /* we have fed all the moves, so reactivate analysis mode */
15638 SendToProgram("analyze\n", &first);
15639 first.analyzing = TRUE;
15640 /*first.maybeThinking = TRUE;*/
15641 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15648 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15649 if (to >= forwardMostMove) to = forwardMostMove;
15650 if (to <= backwardMostMove) to = backwardMostMove;
15651 if (to < currentMove) {
15659 RevertEvent (Boolean annotate)
15661 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15664 if (gameMode != IcsExamining) {
15665 DisplayError(_("You are not examining a game"), 0);
15669 DisplayError(_("You can't revert while pausing"), 0);
15672 SendToICS(ics_prefix);
15673 SendToICS("revert\n");
15677 RetractMoveEvent ()
15679 switch (gameMode) {
15680 case MachinePlaysWhite:
15681 case MachinePlaysBlack:
15682 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15683 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15686 if (forwardMostMove < 2) return;
15687 currentMove = forwardMostMove = forwardMostMove - 2;
15688 whiteTimeRemaining = timeRemaining[0][currentMove];
15689 blackTimeRemaining = timeRemaining[1][currentMove];
15690 DisplayBothClocks();
15691 DisplayMove(currentMove - 1);
15692 ClearHighlights();/*!! could figure this out*/
15693 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15694 SendToProgram("remove\n", &first);
15695 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15698 case BeginningOfGame:
15702 case IcsPlayingWhite:
15703 case IcsPlayingBlack:
15704 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15705 SendToICS(ics_prefix);
15706 SendToICS("takeback 2\n");
15708 SendToICS(ics_prefix);
15709 SendToICS("takeback 1\n");
15718 ChessProgramState *cps;
15720 switch (gameMode) {
15721 case MachinePlaysWhite:
15722 if (!WhiteOnMove(forwardMostMove)) {
15723 DisplayError(_("It is your turn"), 0);
15728 case MachinePlaysBlack:
15729 if (WhiteOnMove(forwardMostMove)) {
15730 DisplayError(_("It is your turn"), 0);
15735 case TwoMachinesPlay:
15736 if (WhiteOnMove(forwardMostMove) ==
15737 (first.twoMachinesColor[0] == 'w')) {
15743 case BeginningOfGame:
15747 SendToProgram("?\n", cps);
15751 TruncateGameEvent ()
15754 if (gameMode != EditGame) return;
15761 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15762 if (forwardMostMove > currentMove) {
15763 if (gameInfo.resultDetails != NULL) {
15764 free(gameInfo.resultDetails);
15765 gameInfo.resultDetails = NULL;
15766 gameInfo.result = GameUnfinished;
15768 forwardMostMove = currentMove;
15769 HistorySet(parseList, backwardMostMove, forwardMostMove,
15777 if (appData.noChessProgram) return;
15778 switch (gameMode) {
15779 case MachinePlaysWhite:
15780 if (WhiteOnMove(forwardMostMove)) {
15781 DisplayError(_("Wait until your turn."), 0);
15785 case BeginningOfGame:
15786 case MachinePlaysBlack:
15787 if (!WhiteOnMove(forwardMostMove)) {
15788 DisplayError(_("Wait until your turn."), 0);
15793 DisplayError(_("No hint available"), 0);
15796 SendToProgram("hint\n", &first);
15797 hintRequested = TRUE;
15803 ListGame * lg = (ListGame *) gameList.head;
15806 static int secondTime = FALSE;
15808 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15809 DisplayError(_("Game list not loaded or empty"), 0);
15813 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15816 DisplayNote(_("Book file exists! Try again for overwrite."));
15820 creatingBook = TRUE;
15821 secondTime = FALSE;
15823 /* Get list size */
15824 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15825 LoadGame(f, nItem, "", TRUE);
15826 AddGameToBook(TRUE);
15827 lg = (ListGame *) lg->node.succ;
15830 creatingBook = FALSE;
15837 if (appData.noChessProgram) return;
15838 switch (gameMode) {
15839 case MachinePlaysWhite:
15840 if (WhiteOnMove(forwardMostMove)) {
15841 DisplayError(_("Wait until your turn."), 0);
15845 case BeginningOfGame:
15846 case MachinePlaysBlack:
15847 if (!WhiteOnMove(forwardMostMove)) {
15848 DisplayError(_("Wait until your turn."), 0);
15853 EditPositionDone(TRUE);
15855 case TwoMachinesPlay:
15860 SendToProgram("bk\n", &first);
15861 bookOutput[0] = NULLCHAR;
15862 bookRequested = TRUE;
15868 char *tags = PGNTags(&gameInfo);
15869 TagsPopUp(tags, CmailMsg());
15873 /* end button procedures */
15876 PrintPosition (FILE *fp, int move)
15880 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15881 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15882 char c = PieceToChar(boards[move][i][j]);
15883 fputc(c == 'x' ? '.' : c, fp);
15884 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15887 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15888 fprintf(fp, "white to play\n");
15890 fprintf(fp, "black to play\n");
15894 PrintOpponents (FILE *fp)
15896 if (gameInfo.white != NULL) {
15897 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15903 /* Find last component of program's own name, using some heuristics */
15905 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15908 int local = (strcmp(host, "localhost") == 0);
15909 while (!local && (p = strchr(prog, ';')) != NULL) {
15911 while (*p == ' ') p++;
15914 if (*prog == '"' || *prog == '\'') {
15915 q = strchr(prog + 1, *prog);
15917 q = strchr(prog, ' ');
15919 if (q == NULL) q = prog + strlen(prog);
15921 while (p >= prog && *p != '/' && *p != '\\') p--;
15923 if(p == prog && *p == '"') p++;
15925 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15926 memcpy(buf, p, q - p);
15927 buf[q - p] = NULLCHAR;
15935 TimeControlTagValue ()
15938 if (!appData.clockMode) {
15939 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
15940 } else if (movesPerSession > 0) {
15941 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
15942 } else if (timeIncrement == 0) {
15943 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
15945 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
15947 return StrSave(buf);
15953 /* This routine is used only for certain modes */
15954 VariantClass v = gameInfo.variant;
15955 ChessMove r = GameUnfinished;
15958 if(keepInfo) return;
15960 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
15961 r = gameInfo.result;
15962 p = gameInfo.resultDetails;
15963 gameInfo.resultDetails = NULL;
15965 ClearGameInfo(&gameInfo);
15966 gameInfo.variant = v;
15968 switch (gameMode) {
15969 case MachinePlaysWhite:
15970 gameInfo.event = StrSave( appData.pgnEventHeader );
15971 gameInfo.site = StrSave(HostName());
15972 gameInfo.date = PGNDate();
15973 gameInfo.round = StrSave("-");
15974 gameInfo.white = StrSave(first.tidy);
15975 gameInfo.black = StrSave(UserName());
15976 gameInfo.timeControl = TimeControlTagValue();
15979 case MachinePlaysBlack:
15980 gameInfo.event = StrSave( appData.pgnEventHeader );
15981 gameInfo.site = StrSave(HostName());
15982 gameInfo.date = PGNDate();
15983 gameInfo.round = StrSave("-");
15984 gameInfo.white = StrSave(UserName());
15985 gameInfo.black = StrSave(first.tidy);
15986 gameInfo.timeControl = TimeControlTagValue();
15989 case TwoMachinesPlay:
15990 gameInfo.event = StrSave( appData.pgnEventHeader );
15991 gameInfo.site = StrSave(HostName());
15992 gameInfo.date = PGNDate();
15995 snprintf(buf, MSG_SIZ, "%d", roundNr);
15996 gameInfo.round = StrSave(buf);
15998 gameInfo.round = StrSave("-");
16000 if (first.twoMachinesColor[0] == 'w') {
16001 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16002 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16004 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16005 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16007 gameInfo.timeControl = TimeControlTagValue();
16011 gameInfo.event = StrSave("Edited game");
16012 gameInfo.site = StrSave(HostName());
16013 gameInfo.date = PGNDate();
16014 gameInfo.round = StrSave("-");
16015 gameInfo.white = StrSave("-");
16016 gameInfo.black = StrSave("-");
16017 gameInfo.result = r;
16018 gameInfo.resultDetails = p;
16022 gameInfo.event = StrSave("Edited position");
16023 gameInfo.site = StrSave(HostName());
16024 gameInfo.date = PGNDate();
16025 gameInfo.round = StrSave("-");
16026 gameInfo.white = StrSave("-");
16027 gameInfo.black = StrSave("-");
16030 case IcsPlayingWhite:
16031 case IcsPlayingBlack:
16036 case PlayFromGameFile:
16037 gameInfo.event = StrSave("Game from non-PGN file");
16038 gameInfo.site = StrSave(HostName());
16039 gameInfo.date = PGNDate();
16040 gameInfo.round = StrSave("-");
16041 gameInfo.white = StrSave("?");
16042 gameInfo.black = StrSave("?");
16051 ReplaceComment (int index, char *text)
16057 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16058 pvInfoList[index-1].depth == len &&
16059 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16060 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16061 while (*text == '\n') text++;
16062 len = strlen(text);
16063 while (len > 0 && text[len - 1] == '\n') len--;
16065 if (commentList[index] != NULL)
16066 free(commentList[index]);
16069 commentList[index] = NULL;
16072 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16073 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16074 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16075 commentList[index] = (char *) malloc(len + 2);
16076 strncpy(commentList[index], text, len);
16077 commentList[index][len] = '\n';
16078 commentList[index][len + 1] = NULLCHAR;
16080 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16082 commentList[index] = (char *) malloc(len + 7);
16083 safeStrCpy(commentList[index], "{\n", 3);
16084 safeStrCpy(commentList[index]+2, text, len+1);
16085 commentList[index][len+2] = NULLCHAR;
16086 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16087 strcat(commentList[index], "\n}\n");
16092 CrushCRs (char *text)
16100 if (ch == '\r') continue;
16102 } while (ch != '\0');
16106 AppendComment (int index, char *text, Boolean addBraces)
16107 /* addBraces tells if we should add {} */
16112 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16113 if(addBraces == 3) addBraces = 0; else // force appending literally
16114 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16117 while (*text == '\n') text++;
16118 len = strlen(text);
16119 while (len > 0 && text[len - 1] == '\n') len--;
16120 text[len] = NULLCHAR;
16122 if (len == 0) return;
16124 if (commentList[index] != NULL) {
16125 Boolean addClosingBrace = addBraces;
16126 old = commentList[index];
16127 oldlen = strlen(old);
16128 while(commentList[index][oldlen-1] == '\n')
16129 commentList[index][--oldlen] = NULLCHAR;
16130 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16131 safeStrCpy(commentList[index], old, oldlen + len + 6);
16133 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16134 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16135 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16136 while (*text == '\n') { text++; len--; }
16137 commentList[index][--oldlen] = NULLCHAR;
16139 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16140 else strcat(commentList[index], "\n");
16141 strcat(commentList[index], text);
16142 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16143 else strcat(commentList[index], "\n");
16145 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16147 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16148 else commentList[index][0] = NULLCHAR;
16149 strcat(commentList[index], text);
16150 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16151 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16156 FindStr (char * text, char * sub_text)
16158 char * result = strstr( text, sub_text );
16160 if( result != NULL ) {
16161 result += strlen( sub_text );
16167 /* [AS] Try to extract PV info from PGN comment */
16168 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16170 GetInfoFromComment (int index, char * text)
16172 char * sep = text, *p;
16174 if( text != NULL && index > 0 ) {
16177 int time = -1, sec = 0, deci;
16178 char * s_eval = FindStr( text, "[%eval " );
16179 char * s_emt = FindStr( text, "[%emt " );
16181 if( s_eval != NULL || s_emt != NULL ) {
16183 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16188 if( s_eval != NULL ) {
16189 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16193 if( delim != ']' ) {
16198 if( s_emt != NULL ) {
16203 /* We expect something like: [+|-]nnn.nn/dd */
16206 if(*text != '{') return text; // [HGM] braces: must be normal comment
16208 sep = strchr( text, '/' );
16209 if( sep == NULL || sep < (text+4) ) {
16214 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16215 if(p[1] == '(') { // comment starts with PV
16216 p = strchr(p, ')'); // locate end of PV
16217 if(p == NULL || sep < p+5) return text;
16218 // at this point we have something like "{(.*) +0.23/6 ..."
16219 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16220 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16221 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16223 time = -1; sec = -1; deci = -1;
16224 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16225 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16226 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16227 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16231 if( score_lo < 0 || score_lo >= 100 ) {
16235 if(sec >= 0) time = 600*time + 10*sec; else
16236 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16238 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16240 /* [HGM] PV time: now locate end of PV info */
16241 while( *++sep >= '0' && *sep <= '9'); // strip depth
16243 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16245 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16247 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16248 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16259 pvInfoList[index-1].depth = depth;
16260 pvInfoList[index-1].score = score;
16261 pvInfoList[index-1].time = 10*time; // centi-sec
16262 if(*sep == '}') *sep = 0; else *--sep = '{';
16263 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16269 SendToProgram (char *message, ChessProgramState *cps)
16271 int count, outCount, error;
16274 if (cps->pr == NoProc) return;
16277 if (appData.debugMode) {
16280 fprintf(debugFP, "%ld >%-6s: %s",
16281 SubtractTimeMarks(&now, &programStartTime),
16282 cps->which, message);
16284 fprintf(serverFP, "%ld >%-6s: %s",
16285 SubtractTimeMarks(&now, &programStartTime),
16286 cps->which, message), fflush(serverFP);
16289 count = strlen(message);
16290 outCount = OutputToProcess(cps->pr, message, count, &error);
16291 if (outCount < count && !exiting
16292 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16293 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16294 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16295 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16296 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16297 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16298 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16299 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16301 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16302 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16303 gameInfo.result = res;
16305 gameInfo.resultDetails = StrSave(buf);
16307 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16308 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16313 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16317 ChessProgramState *cps = (ChessProgramState *)closure;
16319 if (isr != cps->isr) return; /* Killed intentionally */
16322 RemoveInputSource(cps->isr);
16323 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16324 _(cps->which), cps->program);
16325 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16326 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16327 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16328 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16329 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16330 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16332 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16333 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16334 gameInfo.result = res;
16336 gameInfo.resultDetails = StrSave(buf);
16338 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16339 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16341 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16342 _(cps->which), cps->program);
16343 RemoveInputSource(cps->isr);
16345 /* [AS] Program is misbehaving badly... kill it */
16346 if( count == -2 ) {
16347 DestroyChildProcess( cps->pr, 9 );
16351 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16356 if ((end_str = strchr(message, '\r')) != NULL)
16357 *end_str = NULLCHAR;
16358 if ((end_str = strchr(message, '\n')) != NULL)
16359 *end_str = NULLCHAR;
16361 if (appData.debugMode) {
16362 TimeMark now; int print = 1;
16363 char *quote = ""; char c; int i;
16365 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16366 char start = message[0];
16367 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16368 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16369 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16370 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16371 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16372 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16373 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16374 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16375 sscanf(message, "hint: %c", &c)!=1 &&
16376 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16377 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16378 print = (appData.engineComments >= 2);
16380 message[0] = start; // restore original message
16384 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16385 SubtractTimeMarks(&now, &programStartTime), cps->which,
16389 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16390 SubtractTimeMarks(&now, &programStartTime), cps->which,
16392 message), fflush(serverFP);
16396 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16397 if (appData.icsEngineAnalyze) {
16398 if (strstr(message, "whisper") != NULL ||
16399 strstr(message, "kibitz") != NULL ||
16400 strstr(message, "tellics") != NULL) return;
16403 HandleMachineMove(message, cps);
16408 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16413 if( timeControl_2 > 0 ) {
16414 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16415 tc = timeControl_2;
16418 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16419 inc /= cps->timeOdds;
16420 st /= cps->timeOdds;
16422 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16425 /* Set exact time per move, normally using st command */
16426 if (cps->stKludge) {
16427 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16429 if (seconds == 0) {
16430 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16432 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16435 snprintf(buf, MSG_SIZ, "st %d\n", st);
16438 /* Set conventional or incremental time control, using level command */
16439 if (seconds == 0) {
16440 /* Note old gnuchess bug -- minutes:seconds used to not work.
16441 Fixed in later versions, but still avoid :seconds
16442 when seconds is 0. */
16443 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16445 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16446 seconds, inc/1000.);
16449 SendToProgram(buf, cps);
16451 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16452 /* Orthogonally, limit search to given depth */
16454 if (cps->sdKludge) {
16455 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16457 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16459 SendToProgram(buf, cps);
16462 if(cps->nps >= 0) { /* [HGM] nps */
16463 if(cps->supportsNPS == FALSE)
16464 cps->nps = -1; // don't use if engine explicitly says not supported!
16466 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16467 SendToProgram(buf, cps);
16472 ChessProgramState *
16474 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16476 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16477 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16483 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16485 char message[MSG_SIZ];
16488 /* Note: this routine must be called when the clocks are stopped
16489 or when they have *just* been set or switched; otherwise
16490 it will be off by the time since the current tick started.
16492 if (machineWhite) {
16493 time = whiteTimeRemaining / 10;
16494 otime = blackTimeRemaining / 10;
16496 time = blackTimeRemaining / 10;
16497 otime = whiteTimeRemaining / 10;
16499 /* [HGM] translate opponent's time by time-odds factor */
16500 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16502 if (time <= 0) time = 1;
16503 if (otime <= 0) otime = 1;
16505 snprintf(message, MSG_SIZ, "time %ld\n", time);
16506 SendToProgram(message, cps);
16508 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16509 SendToProgram(message, cps);
16513 EngineDefinedVariant (ChessProgramState *cps, int n)
16514 { // return name of n-th unknown variant that engine supports
16515 static char buf[MSG_SIZ];
16516 char *p, *s = cps->variants;
16517 if(!s) return NULL;
16518 do { // parse string from variants feature
16520 p = strchr(s, ',');
16521 if(p) *p = NULLCHAR;
16522 v = StringToVariant(s);
16523 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16524 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16525 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16528 if(n < 0) return buf;
16534 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16537 int len = strlen(name);
16540 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16542 sscanf(*p, "%d", &val);
16544 while (**p && **p != ' ')
16546 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16547 SendToProgram(buf, cps);
16554 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16557 int len = strlen(name);
16558 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16560 sscanf(*p, "%d", loc);
16561 while (**p && **p != ' ') (*p)++;
16562 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16563 SendToProgram(buf, cps);
16570 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16573 int len = strlen(name);
16574 if (strncmp((*p), name, len) == 0
16575 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16577 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16578 sscanf(*p, "%[^\"]", *loc);
16579 while (**p && **p != '\"') (*p)++;
16580 if (**p == '\"') (*p)++;
16581 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16582 SendToProgram(buf, cps);
16589 ParseOption (Option *opt, ChessProgramState *cps)
16590 // [HGM] options: process the string that defines an engine option, and determine
16591 // name, type, default value, and allowed value range
16593 char *p, *q, buf[MSG_SIZ];
16594 int n, min = (-1)<<31, max = 1<<31, def;
16596 if(p = strstr(opt->name, " -spin ")) {
16597 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16598 if(max < min) max = min; // enforce consistency
16599 if(def < min) def = min;
16600 if(def > max) def = max;
16605 } else if((p = strstr(opt->name, " -slider "))) {
16606 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16607 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16608 if(max < min) max = min; // enforce consistency
16609 if(def < min) def = min;
16610 if(def > max) def = max;
16614 opt->type = Spin; // Slider;
16615 } else if((p = strstr(opt->name, " -string "))) {
16616 opt->textValue = p+9;
16617 opt->type = TextBox;
16618 } else if((p = strstr(opt->name, " -file "))) {
16619 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16620 opt->textValue = p+7;
16621 opt->type = FileName; // FileName;
16622 } else if((p = strstr(opt->name, " -path "))) {
16623 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16624 opt->textValue = p+7;
16625 opt->type = PathName; // PathName;
16626 } else if(p = strstr(opt->name, " -check ")) {
16627 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16628 opt->value = (def != 0);
16629 opt->type = CheckBox;
16630 } else if(p = strstr(opt->name, " -combo ")) {
16631 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16632 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16633 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16634 opt->value = n = 0;
16635 while(q = StrStr(q, " /// ")) {
16636 n++; *q = 0; // count choices, and null-terminate each of them
16638 if(*q == '*') { // remember default, which is marked with * prefix
16642 cps->comboList[cps->comboCnt++] = q;
16644 cps->comboList[cps->comboCnt++] = NULL;
16646 opt->type = ComboBox;
16647 } else if(p = strstr(opt->name, " -button")) {
16648 opt->type = Button;
16649 } else if(p = strstr(opt->name, " -save")) {
16650 opt->type = SaveButton;
16651 } else return FALSE;
16652 *p = 0; // terminate option name
16653 // now look if the command-line options define a setting for this engine option.
16654 if(cps->optionSettings && cps->optionSettings[0])
16655 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16656 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16657 snprintf(buf, MSG_SIZ, "option %s", p);
16658 if(p = strstr(buf, ",")) *p = 0;
16659 if(q = strchr(buf, '=')) switch(opt->type) {
16661 for(n=0; n<opt->max; n++)
16662 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16665 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16669 opt->value = atoi(q+1);
16674 SendToProgram(buf, cps);
16680 FeatureDone (ChessProgramState *cps, int val)
16682 DelayedEventCallback cb = GetDelayedEvent();
16683 if ((cb == InitBackEnd3 && cps == &first) ||
16684 (cb == SettingsMenuIfReady && cps == &second) ||
16685 (cb == LoadEngine) ||
16686 (cb == TwoMachinesEventIfReady)) {
16687 CancelDelayedEvent();
16688 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16690 cps->initDone = val;
16691 if(val) cps->reload = FALSE;
16694 /* Parse feature command from engine */
16696 ParseFeatures (char *args, ChessProgramState *cps)
16704 while (*p == ' ') p++;
16705 if (*p == NULLCHAR) return;
16707 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16708 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16709 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16710 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16711 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16712 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16713 if (BoolFeature(&p, "reuse", &val, cps)) {
16714 /* Engine can disable reuse, but can't enable it if user said no */
16715 if (!val) cps->reuse = FALSE;
16718 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16719 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16720 if (gameMode == TwoMachinesPlay) {
16721 DisplayTwoMachinesTitle();
16727 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16728 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16729 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16730 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16731 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16732 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16733 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16734 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16735 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16736 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16737 if (IntFeature(&p, "done", &val, cps)) {
16738 FeatureDone(cps, val);
16741 /* Added by Tord: */
16742 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16743 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16744 /* End of additions by Tord */
16746 /* [HGM] added features: */
16747 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16748 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16749 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16750 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16751 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16752 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16753 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16754 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16755 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16756 FREE(cps->option[cps->nrOptions].name);
16757 cps->option[cps->nrOptions].name = q; q = NULL;
16758 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16759 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16760 SendToProgram(buf, cps);
16763 if(cps->nrOptions >= MAX_OPTIONS) {
16765 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16766 DisplayError(buf, 0);
16770 /* End of additions by HGM */
16772 /* unknown feature: complain and skip */
16774 while (*q && *q != '=') q++;
16775 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16776 SendToProgram(buf, cps);
16782 while (*p && *p != '\"') p++;
16783 if (*p == '\"') p++;
16785 while (*p && *p != ' ') p++;
16793 PeriodicUpdatesEvent (int newState)
16795 if (newState == appData.periodicUpdates)
16798 appData.periodicUpdates=newState;
16800 /* Display type changes, so update it now */
16801 // DisplayAnalysis();
16803 /* Get the ball rolling again... */
16805 AnalysisPeriodicEvent(1);
16806 StartAnalysisClock();
16811 PonderNextMoveEvent (int newState)
16813 if (newState == appData.ponderNextMove) return;
16814 if (gameMode == EditPosition) EditPositionDone(TRUE);
16816 SendToProgram("hard\n", &first);
16817 if (gameMode == TwoMachinesPlay) {
16818 SendToProgram("hard\n", &second);
16821 SendToProgram("easy\n", &first);
16822 thinkOutput[0] = NULLCHAR;
16823 if (gameMode == TwoMachinesPlay) {
16824 SendToProgram("easy\n", &second);
16827 appData.ponderNextMove = newState;
16831 NewSettingEvent (int option, int *feature, char *command, int value)
16835 if (gameMode == EditPosition) EditPositionDone(TRUE);
16836 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16837 if(feature == NULL || *feature) SendToProgram(buf, &first);
16838 if (gameMode == TwoMachinesPlay) {
16839 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16844 ShowThinkingEvent ()
16845 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16847 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16848 int newState = appData.showThinking
16849 // [HGM] thinking: other features now need thinking output as well
16850 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16852 if (oldState == newState) return;
16853 oldState = newState;
16854 if (gameMode == EditPosition) EditPositionDone(TRUE);
16856 SendToProgram("post\n", &first);
16857 if (gameMode == TwoMachinesPlay) {
16858 SendToProgram("post\n", &second);
16861 SendToProgram("nopost\n", &first);
16862 thinkOutput[0] = NULLCHAR;
16863 if (gameMode == TwoMachinesPlay) {
16864 SendToProgram("nopost\n", &second);
16867 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16871 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16873 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16874 if (pr == NoProc) return;
16875 AskQuestion(title, question, replyPrefix, pr);
16879 TypeInEvent (char firstChar)
16881 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16882 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16883 gameMode == AnalyzeMode || gameMode == EditGame ||
16884 gameMode == EditPosition || gameMode == IcsExamining ||
16885 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16886 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16887 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16888 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16889 gameMode == Training) PopUpMoveDialog(firstChar);
16893 TypeInDoneEvent (char *move)
16896 int n, fromX, fromY, toX, toY;
16898 ChessMove moveType;
16901 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
16902 EditPositionPasteFEN(move);
16905 // [HGM] movenum: allow move number to be typed in any mode
16906 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16910 // undocumented kludge: allow command-line option to be typed in!
16911 // (potentially fatal, and does not implement the effect of the option.)
16912 // should only be used for options that are values on which future decisions will be made,
16913 // and definitely not on options that would be used during initialization.
16914 if(strstr(move, "!!! -") == move) {
16915 ParseArgsFromString(move+4);
16919 if (gameMode != EditGame && currentMove != forwardMostMove &&
16920 gameMode != Training) {
16921 DisplayMoveError(_("Displayed move is not current"));
16923 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16924 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16925 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16926 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16927 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16928 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16930 DisplayMoveError(_("Could not parse move"));
16936 DisplayMove (int moveNumber)
16938 char message[MSG_SIZ];
16940 char cpThinkOutput[MSG_SIZ];
16942 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
16944 if (moveNumber == forwardMostMove - 1 ||
16945 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
16947 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
16949 if (strchr(cpThinkOutput, '\n')) {
16950 *strchr(cpThinkOutput, '\n') = NULLCHAR;
16953 *cpThinkOutput = NULLCHAR;
16956 /* [AS] Hide thinking from human user */
16957 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
16958 *cpThinkOutput = NULLCHAR;
16959 if( thinkOutput[0] != NULLCHAR ) {
16962 for( i=0; i<=hiddenThinkOutputState; i++ ) {
16963 cpThinkOutput[i] = '.';
16965 cpThinkOutput[i] = NULLCHAR;
16966 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
16970 if (moveNumber == forwardMostMove - 1 &&
16971 gameInfo.resultDetails != NULL) {
16972 if (gameInfo.resultDetails[0] == NULLCHAR) {
16973 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
16975 snprintf(res, MSG_SIZ, " {%s} %s",
16976 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
16982 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16983 DisplayMessage(res, cpThinkOutput);
16985 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
16986 WhiteOnMove(moveNumber) ? " " : ".. ",
16987 parseList[moveNumber], res);
16988 DisplayMessage(message, cpThinkOutput);
16993 DisplayComment (int moveNumber, char *text)
16995 char title[MSG_SIZ];
16997 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
16998 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17000 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17001 WhiteOnMove(moveNumber) ? " " : ".. ",
17002 parseList[moveNumber]);
17004 if (text != NULL && (appData.autoDisplayComment || commentUp))
17005 CommentPopUp(title, text);
17008 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17009 * might be busy thinking or pondering. It can be omitted if your
17010 * gnuchess is configured to stop thinking immediately on any user
17011 * input. However, that gnuchess feature depends on the FIONREAD
17012 * ioctl, which does not work properly on some flavors of Unix.
17015 Attention (ChessProgramState *cps)
17018 if (!cps->useSigint) return;
17019 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17020 switch (gameMode) {
17021 case MachinePlaysWhite:
17022 case MachinePlaysBlack:
17023 case TwoMachinesPlay:
17024 case IcsPlayingWhite:
17025 case IcsPlayingBlack:
17028 /* Skip if we know it isn't thinking */
17029 if (!cps->maybeThinking) return;
17030 if (appData.debugMode)
17031 fprintf(debugFP, "Interrupting %s\n", cps->which);
17032 InterruptChildProcess(cps->pr);
17033 cps->maybeThinking = FALSE;
17038 #endif /*ATTENTION*/
17044 if (whiteTimeRemaining <= 0) {
17047 if (appData.icsActive) {
17048 if (appData.autoCallFlag &&
17049 gameMode == IcsPlayingBlack && !blackFlag) {
17050 SendToICS(ics_prefix);
17051 SendToICS("flag\n");
17055 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17057 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17058 if (appData.autoCallFlag) {
17059 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17066 if (blackTimeRemaining <= 0) {
17069 if (appData.icsActive) {
17070 if (appData.autoCallFlag &&
17071 gameMode == IcsPlayingWhite && !whiteFlag) {
17072 SendToICS(ics_prefix);
17073 SendToICS("flag\n");
17077 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17079 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17080 if (appData.autoCallFlag) {
17081 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17092 CheckTimeControl ()
17094 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17095 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17098 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17100 if ( !WhiteOnMove(forwardMostMove) ) {
17101 /* White made time control */
17102 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17103 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17104 /* [HGM] time odds: correct new time quota for time odds! */
17105 / WhitePlayer()->timeOdds;
17106 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17108 lastBlack -= blackTimeRemaining;
17109 /* Black made time control */
17110 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17111 / WhitePlayer()->other->timeOdds;
17112 lastWhite = whiteTimeRemaining;
17117 DisplayBothClocks ()
17119 int wom = gameMode == EditPosition ?
17120 !blackPlaysFirst : WhiteOnMove(currentMove);
17121 DisplayWhiteClock(whiteTimeRemaining, wom);
17122 DisplayBlackClock(blackTimeRemaining, !wom);
17126 /* Timekeeping seems to be a portability nightmare. I think everyone
17127 has ftime(), but I'm really not sure, so I'm including some ifdefs
17128 to use other calls if you don't. Clocks will be less accurate if
17129 you have neither ftime nor gettimeofday.
17132 /* VS 2008 requires the #include outside of the function */
17133 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17134 #include <sys/timeb.h>
17137 /* Get the current time as a TimeMark */
17139 GetTimeMark (TimeMark *tm)
17141 #if HAVE_GETTIMEOFDAY
17143 struct timeval timeVal;
17144 struct timezone timeZone;
17146 gettimeofday(&timeVal, &timeZone);
17147 tm->sec = (long) timeVal.tv_sec;
17148 tm->ms = (int) (timeVal.tv_usec / 1000L);
17150 #else /*!HAVE_GETTIMEOFDAY*/
17153 // include <sys/timeb.h> / moved to just above start of function
17154 struct timeb timeB;
17157 tm->sec = (long) timeB.time;
17158 tm->ms = (int) timeB.millitm;
17160 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17161 tm->sec = (long) time(NULL);
17167 /* Return the difference in milliseconds between two
17168 time marks. We assume the difference will fit in a long!
17171 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17173 return 1000L*(tm2->sec - tm1->sec) +
17174 (long) (tm2->ms - tm1->ms);
17179 * Code to manage the game clocks.
17181 * In tournament play, black starts the clock and then white makes a move.
17182 * We give the human user a slight advantage if he is playing white---the
17183 * clocks don't run until he makes his first move, so it takes zero time.
17184 * Also, we don't account for network lag, so we could get out of sync
17185 * with GNU Chess's clock -- but then, referees are always right.
17188 static TimeMark tickStartTM;
17189 static long intendedTickLength;
17192 NextTickLength (long timeRemaining)
17194 long nominalTickLength, nextTickLength;
17196 if (timeRemaining > 0L && timeRemaining <= 10000L)
17197 nominalTickLength = 100L;
17199 nominalTickLength = 1000L;
17200 nextTickLength = timeRemaining % nominalTickLength;
17201 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17203 return nextTickLength;
17206 /* Adjust clock one minute up or down */
17208 AdjustClock (Boolean which, int dir)
17210 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17211 if(which) blackTimeRemaining += 60000*dir;
17212 else whiteTimeRemaining += 60000*dir;
17213 DisplayBothClocks();
17214 adjustedClock = TRUE;
17217 /* Stop clocks and reset to a fresh time control */
17221 (void) StopClockTimer();
17222 if (appData.icsActive) {
17223 whiteTimeRemaining = blackTimeRemaining = 0;
17224 } else if (searchTime) {
17225 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17226 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17227 } else { /* [HGM] correct new time quote for time odds */
17228 whiteTC = blackTC = fullTimeControlString;
17229 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17230 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17232 if (whiteFlag || blackFlag) {
17234 whiteFlag = blackFlag = FALSE;
17236 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17237 DisplayBothClocks();
17238 adjustedClock = FALSE;
17241 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17243 /* Decrement running clock by amount of time that has passed */
17247 long timeRemaining;
17248 long lastTickLength, fudge;
17251 if (!appData.clockMode) return;
17252 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17256 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17258 /* Fudge if we woke up a little too soon */
17259 fudge = intendedTickLength - lastTickLength;
17260 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17262 if (WhiteOnMove(forwardMostMove)) {
17263 if(whiteNPS >= 0) lastTickLength = 0;
17264 timeRemaining = whiteTimeRemaining -= lastTickLength;
17265 if(timeRemaining < 0 && !appData.icsActive) {
17266 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17267 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17268 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17269 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17272 DisplayWhiteClock(whiteTimeRemaining - fudge,
17273 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17275 if(blackNPS >= 0) lastTickLength = 0;
17276 timeRemaining = blackTimeRemaining -= lastTickLength;
17277 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17278 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17280 blackStartMove = forwardMostMove;
17281 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17284 DisplayBlackClock(blackTimeRemaining - fudge,
17285 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17287 if (CheckFlags()) return;
17289 if(twoBoards) { // count down secondary board's clocks as well
17290 activePartnerTime -= lastTickLength;
17292 if(activePartner == 'W')
17293 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17295 DisplayBlackClock(activePartnerTime, TRUE);
17300 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17301 StartClockTimer(intendedTickLength);
17303 /* if the time remaining has fallen below the alarm threshold, sound the
17304 * alarm. if the alarm has sounded and (due to a takeback or time control
17305 * with increment) the time remaining has increased to a level above the
17306 * threshold, reset the alarm so it can sound again.
17309 if (appData.icsActive && appData.icsAlarm) {
17311 /* make sure we are dealing with the user's clock */
17312 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17313 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17316 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17317 alarmSounded = FALSE;
17318 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17320 alarmSounded = TRUE;
17326 /* A player has just moved, so stop the previously running
17327 clock and (if in clock mode) start the other one.
17328 We redisplay both clocks in case we're in ICS mode, because
17329 ICS gives us an update to both clocks after every move.
17330 Note that this routine is called *after* forwardMostMove
17331 is updated, so the last fractional tick must be subtracted
17332 from the color that is *not* on move now.
17335 SwitchClocks (int newMoveNr)
17337 long lastTickLength;
17339 int flagged = FALSE;
17343 if (StopClockTimer() && appData.clockMode) {
17344 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17345 if (!WhiteOnMove(forwardMostMove)) {
17346 if(blackNPS >= 0) lastTickLength = 0;
17347 blackTimeRemaining -= lastTickLength;
17348 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17349 // if(pvInfoList[forwardMostMove].time == -1)
17350 pvInfoList[forwardMostMove].time = // use GUI time
17351 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17353 if(whiteNPS >= 0) lastTickLength = 0;
17354 whiteTimeRemaining -= lastTickLength;
17355 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17356 // if(pvInfoList[forwardMostMove].time == -1)
17357 pvInfoList[forwardMostMove].time =
17358 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17360 flagged = CheckFlags();
17362 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17363 CheckTimeControl();
17365 if (flagged || !appData.clockMode) return;
17367 switch (gameMode) {
17368 case MachinePlaysBlack:
17369 case MachinePlaysWhite:
17370 case BeginningOfGame:
17371 if (pausing) return;
17375 case PlayFromGameFile:
17383 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17384 if(WhiteOnMove(forwardMostMove))
17385 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17386 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17390 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17391 whiteTimeRemaining : blackTimeRemaining);
17392 StartClockTimer(intendedTickLength);
17396 /* Stop both clocks */
17400 long lastTickLength;
17403 if (!StopClockTimer()) return;
17404 if (!appData.clockMode) return;
17408 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17409 if (WhiteOnMove(forwardMostMove)) {
17410 if(whiteNPS >= 0) lastTickLength = 0;
17411 whiteTimeRemaining -= lastTickLength;
17412 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17414 if(blackNPS >= 0) lastTickLength = 0;
17415 blackTimeRemaining -= lastTickLength;
17416 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17421 /* Start clock of player on move. Time may have been reset, so
17422 if clock is already running, stop and restart it. */
17426 (void) StopClockTimer(); /* in case it was running already */
17427 DisplayBothClocks();
17428 if (CheckFlags()) return;
17430 if (!appData.clockMode) return;
17431 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17433 GetTimeMark(&tickStartTM);
17434 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17435 whiteTimeRemaining : blackTimeRemaining);
17437 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17438 whiteNPS = blackNPS = -1;
17439 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17440 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17441 whiteNPS = first.nps;
17442 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17443 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17444 blackNPS = first.nps;
17445 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17446 whiteNPS = second.nps;
17447 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17448 blackNPS = second.nps;
17449 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17451 StartClockTimer(intendedTickLength);
17455 TimeString (long ms)
17457 long second, minute, hour, day;
17459 static char buf[32];
17461 if (ms > 0 && ms <= 9900) {
17462 /* convert milliseconds to tenths, rounding up */
17463 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17465 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17469 /* convert milliseconds to seconds, rounding up */
17470 /* use floating point to avoid strangeness of integer division
17471 with negative dividends on many machines */
17472 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17479 day = second / (60 * 60 * 24);
17480 second = second % (60 * 60 * 24);
17481 hour = second / (60 * 60);
17482 second = second % (60 * 60);
17483 minute = second / 60;
17484 second = second % 60;
17487 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17488 sign, day, hour, minute, second);
17490 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17492 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17499 * This is necessary because some C libraries aren't ANSI C compliant yet.
17502 StrStr (char *string, char *match)
17506 length = strlen(match);
17508 for (i = strlen(string) - length; i >= 0; i--, string++)
17509 if (!strncmp(match, string, length))
17516 StrCaseStr (char *string, char *match)
17520 length = strlen(match);
17522 for (i = strlen(string) - length; i >= 0; i--, string++) {
17523 for (j = 0; j < length; j++) {
17524 if (ToLower(match[j]) != ToLower(string[j]))
17527 if (j == length) return string;
17535 StrCaseCmp (char *s1, char *s2)
17540 c1 = ToLower(*s1++);
17541 c2 = ToLower(*s2++);
17542 if (c1 > c2) return 1;
17543 if (c1 < c2) return -1;
17544 if (c1 == NULLCHAR) return 0;
17552 return isupper(c) ? tolower(c) : c;
17559 return islower(c) ? toupper(c) : c;
17561 #endif /* !_amigados */
17568 if ((ret = (char *) malloc(strlen(s) + 1)))
17570 safeStrCpy(ret, s, strlen(s)+1);
17576 StrSavePtr (char *s, char **savePtr)
17581 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17582 safeStrCpy(*savePtr, s, strlen(s)+1);
17594 clock = time((time_t *)NULL);
17595 tm = localtime(&clock);
17596 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17597 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17598 return StrSave(buf);
17603 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17605 int i, j, fromX, fromY, toX, toY;
17612 whiteToPlay = (gameMode == EditPosition) ?
17613 !blackPlaysFirst : (move % 2 == 0);
17616 /* Piece placement data */
17617 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17618 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17620 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17621 if (boards[move][i][j] == EmptySquare) {
17623 } else { ChessSquare piece = boards[move][i][j];
17624 if (emptycount > 0) {
17625 if(emptycount<10) /* [HGM] can be >= 10 */
17626 *p++ = '0' + emptycount;
17627 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17630 if(PieceToChar(piece) == '+') {
17631 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17633 piece = (ChessSquare)(DEMOTED piece);
17635 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17637 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17638 p[-1] = PieceToChar((ChessSquare)(DEMOTED piece));
17643 if (emptycount > 0) {
17644 if(emptycount<10) /* [HGM] can be >= 10 */
17645 *p++ = '0' + emptycount;
17646 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17653 /* [HGM] print Crazyhouse or Shogi holdings */
17654 if( gameInfo.holdingsWidth ) {
17655 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17657 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17658 piece = boards[move][i][BOARD_WIDTH-1];
17659 if( piece != EmptySquare )
17660 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17661 *p++ = PieceToChar(piece);
17663 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17664 piece = boards[move][BOARD_HEIGHT-i-1][0];
17665 if( piece != EmptySquare )
17666 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17667 *p++ = PieceToChar(piece);
17670 if( q == p ) *p++ = '-';
17676 *p++ = whiteToPlay ? 'w' : 'b';
17679 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17680 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17682 if(nrCastlingRights) {
17684 if(appData.fischerCastling) {
17685 /* [HGM] write directly from rights */
17686 if(boards[move][CASTLING][2] != NoRights &&
17687 boards[move][CASTLING][0] != NoRights )
17688 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17689 if(boards[move][CASTLING][2] != NoRights &&
17690 boards[move][CASTLING][1] != NoRights )
17691 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17692 if(boards[move][CASTLING][5] != NoRights &&
17693 boards[move][CASTLING][3] != NoRights )
17694 *p++ = boards[move][CASTLING][3] + AAA;
17695 if(boards[move][CASTLING][5] != NoRights &&
17696 boards[move][CASTLING][4] != NoRights )
17697 *p++ = boards[move][CASTLING][4] + AAA;
17700 /* [HGM] write true castling rights */
17701 if( nrCastlingRights == 6 ) {
17703 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17704 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17705 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17706 boards[move][CASTLING][2] != NoRights );
17707 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17708 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17709 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17710 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17711 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17715 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17716 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17717 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17718 boards[move][CASTLING][5] != NoRights );
17719 if(gameInfo.variant == VariantSChess) {
17720 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17721 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17722 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17723 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17728 if (q == p) *p++ = '-'; /* No castling rights */
17732 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17733 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17734 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17735 /* En passant target square */
17736 if (move > backwardMostMove) {
17737 fromX = moveList[move - 1][0] - AAA;
17738 fromY = moveList[move - 1][1] - ONE;
17739 toX = moveList[move - 1][2] - AAA;
17740 toY = moveList[move - 1][3] - ONE;
17741 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17742 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17743 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17745 /* 2-square pawn move just happened */
17747 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17751 } else if(move == backwardMostMove) {
17752 // [HGM] perhaps we should always do it like this, and forget the above?
17753 if((signed char)boards[move][EP_STATUS] >= 0) {
17754 *p++ = boards[move][EP_STATUS] + AAA;
17755 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17767 { int i = 0, j=move;
17769 /* [HGM] find reversible plies */
17770 if (appData.debugMode) { int k;
17771 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17772 for(k=backwardMostMove; k<=forwardMostMove; k++)
17773 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17777 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17778 if( j == backwardMostMove ) i += initialRulePlies;
17779 sprintf(p, "%d ", i);
17780 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17782 /* Fullmove number */
17783 sprintf(p, "%d", (move / 2) + 1);
17784 } else *--p = NULLCHAR;
17786 return StrSave(buf);
17790 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17792 int i, j, k, w=0, subst=0, shuffle=0;
17794 int emptycount, virgin[BOARD_FILES];
17799 /* Piece placement data */
17800 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17803 if (*p == '/' || *p == ' ' || *p == '[' ) {
17805 emptycount = gameInfo.boardWidth - j;
17806 while (emptycount--)
17807 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17808 if (*p == '/') p++;
17809 else if(autoSize) { // we stumbled unexpectedly into end of board
17810 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17811 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17813 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17816 #if(BOARD_FILES >= 10)
17817 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17818 p++; emptycount=10;
17819 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17820 while (emptycount--)
17821 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17823 } else if (*p == '*') {
17824 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17825 } else if (isdigit(*p)) {
17826 emptycount = *p++ - '0';
17827 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17828 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17829 while (emptycount--)
17830 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17831 } else if (*p == '<') {
17832 if(i == BOARD_HEIGHT-1) shuffle = 1;
17833 else if (i != 0 || !shuffle) return FALSE;
17835 } else if (shuffle && *p == '>') {
17836 p++; // for now ignore closing shuffle range, and assume rank-end
17837 } else if (*p == '?') {
17838 if (j >= gameInfo.boardWidth) return FALSE;
17839 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
17840 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
17841 } else if (*p == '+' || isalpha(*p)) {
17842 if (j >= gameInfo.boardWidth) return FALSE;
17844 piece = CharToPiece(*++p);
17845 if(piece == EmptySquare) return FALSE; /* unknown piece */
17846 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17847 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17848 } else piece = CharToPiece(*p++);
17850 if(piece==EmptySquare) return FALSE; /* unknown piece */
17851 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17852 piece = (ChessSquare) (PROMOTED piece);
17853 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17856 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17862 while (*p == '/' || *p == ' ') p++;
17864 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17866 /* [HGM] by default clear Crazyhouse holdings, if present */
17867 if(gameInfo.holdingsWidth) {
17868 for(i=0; i<BOARD_HEIGHT; i++) {
17869 board[i][0] = EmptySquare; /* black holdings */
17870 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17871 board[i][1] = (ChessSquare) 0; /* black counts */
17872 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17876 /* [HGM] look for Crazyhouse holdings here */
17877 while(*p==' ') p++;
17878 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17879 int swap=0, wcnt=0, bcnt=0;
17881 if(*p == '<') swap++, p++;
17882 if(*p == '-' ) p++; /* empty holdings */ else {
17883 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17884 /* if we would allow FEN reading to set board size, we would */
17885 /* have to add holdings and shift the board read so far here */
17886 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17888 if((int) piece >= (int) BlackPawn ) {
17889 i = (int)piece - (int)BlackPawn;
17890 i = PieceToNumber((ChessSquare)i);
17891 if( i >= gameInfo.holdingsSize ) return FALSE;
17892 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17893 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17896 i = (int)piece - (int)WhitePawn;
17897 i = PieceToNumber((ChessSquare)i);
17898 if( i >= gameInfo.holdingsSize ) return FALSE;
17899 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17900 board[i][BOARD_WIDTH-2]++; /* black holdings */
17904 if(subst) { // substitute back-rank question marks by holdings pieces
17905 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
17906 int k, m, n = bcnt + 1;
17907 if(board[0][j] == ClearBoard) {
17908 if(!wcnt) return FALSE;
17910 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
17911 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
17912 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
17916 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
17917 if(!bcnt) return FALSE;
17918 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
17919 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
17920 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
17921 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
17932 if(subst) return FALSE; // substitution requested, but no holdings
17934 while(*p == ' ') p++;
17938 if(appData.colorNickNames) {
17939 if( c == appData.colorNickNames[0] ) c = 'w'; else
17940 if( c == appData.colorNickNames[1] ) c = 'b';
17944 *blackPlaysFirst = FALSE;
17947 *blackPlaysFirst = TRUE;
17953 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
17954 /* return the extra info in global variiables */
17956 /* set defaults in case FEN is incomplete */
17957 board[EP_STATUS] = EP_UNKNOWN;
17958 for(i=0; i<nrCastlingRights; i++ ) {
17959 board[CASTLING][i] =
17960 appData.fischerCastling ? NoRights : initialRights[i];
17961 } /* assume possible unless obviously impossible */
17962 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
17963 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
17964 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
17965 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
17966 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
17967 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
17968 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
17969 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
17972 while(*p==' ') p++;
17973 if(nrCastlingRights) {
17975 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
17976 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
17977 /* castling indicator present, so default becomes no castlings */
17978 for(i=0; i<nrCastlingRights; i++ ) {
17979 board[CASTLING][i] = NoRights;
17982 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
17983 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
17984 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
17985 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
17986 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
17988 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
17989 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
17990 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
17992 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
17993 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
17994 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
17995 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
17996 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
17997 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
18000 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
18001 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18002 board[CASTLING][2] = whiteKingFile;
18003 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18004 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18005 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18008 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
18009 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18010 board[CASTLING][2] = whiteKingFile;
18011 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18012 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18013 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18016 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
18017 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18018 board[CASTLING][5] = blackKingFile;
18019 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18020 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18021 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18024 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
18025 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18026 board[CASTLING][5] = blackKingFile;
18027 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18028 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18029 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18032 default: /* FRC castlings */
18033 if(c >= 'a') { /* black rights */
18034 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18035 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18036 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18037 if(i == BOARD_RGHT) break;
18038 board[CASTLING][5] = i;
18040 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18041 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18043 board[CASTLING][3] = c;
18045 board[CASTLING][4] = c;
18046 } else { /* white rights */
18047 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18048 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18049 if(board[0][i] == WhiteKing) break;
18050 if(i == BOARD_RGHT) break;
18051 board[CASTLING][2] = i;
18052 c -= AAA - 'a' + 'A';
18053 if(board[0][c] >= WhiteKing) break;
18055 board[CASTLING][0] = c;
18057 board[CASTLING][1] = c;
18061 for(i=0; i<nrCastlingRights; i++)
18062 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18063 if(gameInfo.variant == VariantSChess)
18064 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18065 if(fischer && shuffle) appData.fischerCastling = TRUE;
18066 if (appData.debugMode) {
18067 fprintf(debugFP, "FEN castling rights:");
18068 for(i=0; i<nrCastlingRights; i++)
18069 fprintf(debugFP, " %d", board[CASTLING][i]);
18070 fprintf(debugFP, "\n");
18073 while(*p==' ') p++;
18076 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18078 /* read e.p. field in games that know e.p. capture */
18079 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18080 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18081 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18083 p++; board[EP_STATUS] = EP_NONE;
18085 char c = *p++ - AAA;
18087 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18088 if(*p >= '0' && *p <='9') p++;
18089 board[EP_STATUS] = c;
18094 if(sscanf(p, "%d", &i) == 1) {
18095 FENrulePlies = i; /* 50-move ply counter */
18096 /* (The move number is still ignored) */
18103 EditPositionPasteFEN (char *fen)
18106 Board initial_position;
18108 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18109 DisplayError(_("Bad FEN position in clipboard"), 0);
18112 int savedBlackPlaysFirst = blackPlaysFirst;
18113 EditPositionEvent();
18114 blackPlaysFirst = savedBlackPlaysFirst;
18115 CopyBoard(boards[0], initial_position);
18116 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18117 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18118 DisplayBothClocks();
18119 DrawPosition(FALSE, boards[currentMove]);
18124 static char cseq[12] = "\\ ";
18127 set_cont_sequence (char *new_seq)
18132 // handle bad attempts to set the sequence
18134 return 0; // acceptable error - no debug
18136 len = strlen(new_seq);
18137 ret = (len > 0) && (len < sizeof(cseq));
18139 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18140 else if (appData.debugMode)
18141 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18146 reformat a source message so words don't cross the width boundary. internal
18147 newlines are not removed. returns the wrapped size (no null character unless
18148 included in source message). If dest is NULL, only calculate the size required
18149 for the dest buffer. lp argument indicats line position upon entry, and it's
18150 passed back upon exit.
18153 wrap (char *dest, char *src, int count, int width, int *lp)
18155 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18157 cseq_len = strlen(cseq);
18158 old_line = line = *lp;
18159 ansi = len = clen = 0;
18161 for (i=0; i < count; i++)
18163 if (src[i] == '\033')
18166 // if we hit the width, back up
18167 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18169 // store i & len in case the word is too long
18170 old_i = i, old_len = len;
18172 // find the end of the last word
18173 while (i && src[i] != ' ' && src[i] != '\n')
18179 // word too long? restore i & len before splitting it
18180 if ((old_i-i+clen) >= width)
18187 if (i && src[i-1] == ' ')
18190 if (src[i] != ' ' && src[i] != '\n')
18197 // now append the newline and continuation sequence
18202 strncpy(dest+len, cseq, cseq_len);
18210 dest[len] = src[i];
18214 if (src[i] == '\n')
18219 if (dest && appData.debugMode)
18221 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18222 count, width, line, len, *lp);
18223 show_bytes(debugFP, src, count);
18224 fprintf(debugFP, "\ndest: ");
18225 show_bytes(debugFP, dest, len);
18226 fprintf(debugFP, "\n");
18228 *lp = dest ? line : old_line;
18233 // [HGM] vari: routines for shelving variations
18234 Boolean modeRestore = FALSE;
18237 PushInner (int firstMove, int lastMove)
18239 int i, j, nrMoves = lastMove - firstMove;
18241 // push current tail of game on stack
18242 savedResult[storedGames] = gameInfo.result;
18243 savedDetails[storedGames] = gameInfo.resultDetails;
18244 gameInfo.resultDetails = NULL;
18245 savedFirst[storedGames] = firstMove;
18246 savedLast [storedGames] = lastMove;
18247 savedFramePtr[storedGames] = framePtr;
18248 framePtr -= nrMoves; // reserve space for the boards
18249 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18250 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18251 for(j=0; j<MOVE_LEN; j++)
18252 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18253 for(j=0; j<2*MOVE_LEN; j++)
18254 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18255 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18256 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18257 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18258 pvInfoList[firstMove+i-1].depth = 0;
18259 commentList[framePtr+i] = commentList[firstMove+i];
18260 commentList[firstMove+i] = NULL;
18264 forwardMostMove = firstMove; // truncate game so we can start variation
18268 PushTail (int firstMove, int lastMove)
18270 if(appData.icsActive) { // only in local mode
18271 forwardMostMove = currentMove; // mimic old ICS behavior
18274 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18276 PushInner(firstMove, lastMove);
18277 if(storedGames == 1) GreyRevert(FALSE);
18278 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18282 PopInner (Boolean annotate)
18285 char buf[8000], moveBuf[20];
18287 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18288 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18289 nrMoves = savedLast[storedGames] - currentMove;
18292 if(!WhiteOnMove(currentMove))
18293 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18294 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18295 for(i=currentMove; i<forwardMostMove; i++) {
18297 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18298 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18299 strcat(buf, moveBuf);
18300 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18301 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18305 for(i=1; i<=nrMoves; i++) { // copy last variation back
18306 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18307 for(j=0; j<MOVE_LEN; j++)
18308 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18309 for(j=0; j<2*MOVE_LEN; j++)
18310 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18311 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18312 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18313 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18314 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18315 commentList[currentMove+i] = commentList[framePtr+i];
18316 commentList[framePtr+i] = NULL;
18318 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18319 framePtr = savedFramePtr[storedGames];
18320 gameInfo.result = savedResult[storedGames];
18321 if(gameInfo.resultDetails != NULL) {
18322 free(gameInfo.resultDetails);
18324 gameInfo.resultDetails = savedDetails[storedGames];
18325 forwardMostMove = currentMove + nrMoves;
18329 PopTail (Boolean annotate)
18331 if(appData.icsActive) return FALSE; // only in local mode
18332 if(!storedGames) return FALSE; // sanity
18333 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18335 PopInner(annotate);
18336 if(currentMove < forwardMostMove) ForwardEvent(); else
18337 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18339 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18345 { // remove all shelved variations
18347 for(i=0; i<storedGames; i++) {
18348 if(savedDetails[i])
18349 free(savedDetails[i]);
18350 savedDetails[i] = NULL;
18352 for(i=framePtr; i<MAX_MOVES; i++) {
18353 if(commentList[i]) free(commentList[i]);
18354 commentList[i] = NULL;
18356 framePtr = MAX_MOVES-1;
18361 LoadVariation (int index, char *text)
18362 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18363 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18364 int level = 0, move;
18366 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18367 // first find outermost bracketing variation
18368 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18369 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18370 if(*p == '{') wait = '}'; else
18371 if(*p == '[') wait = ']'; else
18372 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18373 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18375 if(*p == wait) wait = NULLCHAR; // closing ]} found
18378 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18379 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18380 end[1] = NULLCHAR; // clip off comment beyond variation
18381 ToNrEvent(currentMove-1);
18382 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18383 // kludge: use ParsePV() to append variation to game
18384 move = currentMove;
18385 ParsePV(start, TRUE, TRUE);
18386 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18387 ClearPremoveHighlights();
18389 ToNrEvent(currentMove+1);
18395 char *p, *q, buf[MSG_SIZ];
18396 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18397 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18398 ParseArgsFromString(buf);
18399 ActivateTheme(TRUE); // also redo colors
18403 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18406 q = appData.themeNames;
18407 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18408 if(appData.useBitmaps) {
18409 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18410 appData.liteBackTextureFile, appData.darkBackTextureFile,
18411 appData.liteBackTextureMode,
18412 appData.darkBackTextureMode );
18414 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18415 Col2Text(2), // lightSquareColor
18416 Col2Text(3) ); // darkSquareColor
18418 if(appData.useBorder) {
18419 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18422 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18424 if(appData.useFont) {
18425 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18426 appData.renderPiecesWithFont,
18427 appData.fontToPieceTable,
18428 Col2Text(9), // appData.fontBackColorWhite
18429 Col2Text(10) ); // appData.fontForeColorBlack
18431 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18432 appData.pieceDirectory);
18433 if(!appData.pieceDirectory[0])
18434 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18435 Col2Text(0), // whitePieceColor
18436 Col2Text(1) ); // blackPieceColor
18438 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18439 Col2Text(4), // highlightSquareColor
18440 Col2Text(5) ); // premoveHighlightColor
18441 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18442 if(insert != q) insert[-1] = NULLCHAR;
18443 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18446 ActivateTheme(FALSE);