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;
417 case VariantChuChess:
419 flags |= F_NULL_MOVE;
424 if(appData.fischerCastling) flags |= F_FRC_TYPE_CASTLING, flags &= ~F_ALL_CASTLE_OK; // [HGM] fischer
428 FILE *gameFileFP, *debugFP, *serverFP;
429 char *currentDebugFile; // [HGM] debug split: to remember name
432 [AS] Note: sometimes, the sscanf() function is used to parse the input
433 into a fixed-size buffer. Because of this, we must be prepared to
434 receive strings as long as the size of the input buffer, which is currently
435 set to 4K for Windows and 8K for the rest.
436 So, we must either allocate sufficiently large buffers here, or
437 reduce the size of the input buffer in the input reading part.
440 char cmailMove[CMAIL_MAX_GAMES][MOVE_LEN], cmailMsg[MSG_SIZ];
441 char bookOutput[MSG_SIZ*10], thinkOutput[MSG_SIZ*10], lastHint[MSG_SIZ];
442 char thinkOutput1[MSG_SIZ*10];
444 ChessProgramState first, second, pairing;
446 /* premove variables */
449 int premoveFromX = 0;
450 int premoveFromY = 0;
451 int premovePromoChar = 0;
453 Boolean alarmSounded;
454 /* end premove variables */
456 char *ics_prefix = "$";
457 enum ICS_TYPE ics_type = ICS_GENERIC;
459 int currentMove = 0, forwardMostMove = 0, backwardMostMove = 0;
460 int pauseExamForwardMostMove = 0;
461 int nCmailGames = 0, nCmailResults = 0, nCmailMovesRegistered = 0;
462 int cmailMoveRegistered[CMAIL_MAX_GAMES], cmailResult[CMAIL_MAX_GAMES];
463 int cmailMsgLoaded = FALSE, cmailMailedMove = FALSE;
464 int cmailOldMove = -1, firstMove = TRUE, flipView = FALSE;
465 int blackPlaysFirst = FALSE, startedFromSetupPosition = FALSE;
466 int searchTime = 0, pausing = FALSE, pauseExamInvalid = FALSE;
467 int whiteFlag = FALSE, blackFlag = FALSE;
468 int userOfferedDraw = FALSE;
469 int ics_user_moved = 0, ics_gamenum = -1, ics_getting_history = H_FALSE;
470 int matchMode = FALSE, hintRequested = FALSE, bookRequested = FALSE;
471 int cmailMoveType[CMAIL_MAX_GAMES];
472 long ics_clock_paused = 0;
473 ProcRef icsPR = NoProc, cmailPR = NoProc;
474 InputSourceRef telnetISR = NULL, fromUserISR = NULL, cmailISR = NULL;
475 GameMode gameMode = BeginningOfGame;
476 char moveList[MAX_MOVES][MOVE_LEN], parseList[MAX_MOVES][MOVE_LEN * 2];
477 char *commentList[MAX_MOVES], *cmailCommentList[CMAIL_MAX_GAMES];
478 ChessProgramStats_Move pvInfoList[MAX_MOVES]; /* [AS] Info about engine thinking */
479 int hiddenThinkOutputState = 0; /* [AS] */
480 int adjudicateLossThreshold = 0; /* [AS] Automatic adjudication */
481 int adjudicateLossPlies = 6;
482 char white_holding[64], black_holding[64];
483 TimeMark lastNodeCountTime;
484 long lastNodeCount=0;
485 int shiftKey, controlKey; // [HGM] set by mouse handler
487 int have_sent_ICS_logon = 0;
489 int suddenDeath, whiteStartMove, blackStartMove; /* [HGM] for implementation of 'any per time' sessions, as in first part of byoyomi TC */
490 long whiteTimeRemaining, blackTimeRemaining, timeControl, timeIncrement, lastWhite, lastBlack, activePartnerTime;
491 Boolean adjustedClock;
492 long timeControl_2; /* [AS] Allow separate time controls */
493 char *fullTimeControlString = NULL, *nextSession, *whiteTC, *blackTC, activePartner; /* [HGM] secondary TC: merge of MPS, TC and inc */
494 long timeRemaining[2][MAX_MOVES];
495 int matchGame = 0, nextGame = 0, roundNr = 0;
496 Boolean waitingForGame = FALSE, startingEngine = FALSE;
497 TimeMark programStartTime, pauseStart;
498 char ics_handle[MSG_SIZ];
499 int have_set_title = 0;
501 /* animateTraining preserves the state of appData.animate
502 * when Training mode is activated. This allows the
503 * response to be animated when appData.animate == TRUE and
504 * appData.animateDragging == TRUE.
506 Boolean animateTraining;
512 Board boards[MAX_MOVES];
513 /* [HGM] Following 7 needed for accurate legality tests: */
514 signed char castlingRank[BOARD_FILES]; // and corresponding ranks
515 signed char initialRights[BOARD_FILES];
516 int nrCastlingRights; // For TwoKings, or to implement castling-unknown status
517 int initialRulePlies, FENrulePlies;
518 FILE *serverMoves = NULL; // next two for broadcasting (/serverMoves option)
520 Boolean shuffleOpenings;
521 int mute; // mute all sounds
523 // [HGM] vari: next 12 to save and restore variations
524 #define MAX_VARIATIONS 10
525 int framePtr = MAX_MOVES-1; // points to free stack entry
527 int savedFirst[MAX_VARIATIONS];
528 int savedLast[MAX_VARIATIONS];
529 int savedFramePtr[MAX_VARIATIONS];
530 char *savedDetails[MAX_VARIATIONS];
531 ChessMove savedResult[MAX_VARIATIONS];
533 void PushTail P((int firstMove, int lastMove));
534 Boolean PopTail P((Boolean annotate));
535 void PushInner P((int firstMove, int lastMove));
536 void PopInner P((Boolean annotate));
537 void CleanupTail P((void));
539 ChessSquare FIDEArray[2][BOARD_FILES] = {
540 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
541 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
542 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
543 BlackKing, BlackBishop, BlackKnight, BlackRook }
546 ChessSquare twoKingsArray[2][BOARD_FILES] = {
547 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
548 WhiteKing, WhiteKing, WhiteKnight, WhiteRook },
549 { BlackRook, BlackKnight, BlackBishop, BlackQueen,
550 BlackKing, BlackKing, BlackKnight, BlackRook }
553 ChessSquare KnightmateArray[2][BOARD_FILES] = {
554 { WhiteRook, WhiteMan, WhiteBishop, WhiteQueen,
555 WhiteUnicorn, WhiteBishop, WhiteMan, WhiteRook },
556 { BlackRook, BlackMan, BlackBishop, BlackQueen,
557 BlackUnicorn, BlackBishop, BlackMan, BlackRook }
560 ChessSquare SpartanArray[2][BOARD_FILES] = {
561 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
562 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
563 { BlackAlfil, BlackMarshall, BlackKing, BlackDragon,
564 BlackDragon, BlackKing, BlackAngel, BlackAlfil }
567 ChessSquare fairyArray[2][BOARD_FILES] = { /* [HGM] Queen side differs from King side */
568 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen,
569 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
570 { BlackCardinal, BlackAlfil, BlackMarshall, BlackAngel,
571 BlackKing, BlackMarshall, BlackAlfil, BlackCardinal }
574 ChessSquare ShatranjArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
575 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteKing,
576 WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
577 { BlackRook, BlackKnight, BlackAlfil, BlackKing,
578 BlackFerz, BlackAlfil, BlackKnight, BlackRook }
581 ChessSquare makrukArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
582 { WhiteRook, WhiteKnight, WhiteMan, WhiteKing,
583 WhiteFerz, WhiteMan, WhiteKnight, WhiteRook },
584 { BlackRook, BlackKnight, BlackMan, BlackFerz,
585 BlackKing, BlackMan, BlackKnight, BlackRook }
588 ChessSquare aseanArray[2][BOARD_FILES] = { /* [HGM] (movGen knows about Shatranj Q and P) */
589 { WhiteRook, WhiteKnight, WhiteMan, WhiteFerz,
590 WhiteKing, WhiteMan, WhiteKnight, WhiteRook },
591 { BlackRook, BlackKnight, BlackMan, BlackFerz,
592 BlackKing, BlackMan, BlackKnight, BlackRook }
595 ChessSquare lionArray[2][BOARD_FILES] = {
596 { WhiteRook, WhiteLion, WhiteBishop, WhiteQueen,
597 WhiteKing, WhiteBishop, WhiteKnight, WhiteRook },
598 { BlackRook, BlackLion, BlackBishop, BlackQueen,
599 BlackKing, BlackBishop, BlackKnight, BlackRook }
603 #if (BOARD_FILES>=10)
604 ChessSquare ShogiArray[2][BOARD_FILES] = {
605 { WhiteQueen, WhiteKnight, WhiteFerz, WhiteWazir,
606 WhiteKing, WhiteWazir, WhiteFerz, WhiteKnight, WhiteQueen },
607 { BlackQueen, BlackKnight, BlackFerz, BlackWazir,
608 BlackKing, BlackWazir, BlackFerz, BlackKnight, BlackQueen }
611 ChessSquare XiangqiArray[2][BOARD_FILES] = {
612 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteFerz,
613 WhiteWazir, WhiteFerz, WhiteAlfil, WhiteKnight, WhiteRook },
614 { BlackRook, BlackKnight, BlackAlfil, BlackFerz,
615 BlackWazir, BlackFerz, BlackAlfil, BlackKnight, BlackRook }
618 ChessSquare CapablancaArray[2][BOARD_FILES] = {
619 { WhiteRook, WhiteKnight, WhiteAngel, WhiteBishop, WhiteQueen,
620 WhiteKing, WhiteBishop, WhiteMarshall, WhiteKnight, WhiteRook },
621 { BlackRook, BlackKnight, BlackAngel, BlackBishop, BlackQueen,
622 BlackKing, BlackBishop, BlackMarshall, BlackKnight, BlackRook }
625 ChessSquare GreatArray[2][BOARD_FILES] = {
626 { WhiteDragon, WhiteKnight, WhiteAlfil, WhiteGrasshopper, WhiteKing,
627 WhiteSilver, WhiteCardinal, WhiteAlfil, WhiteKnight, WhiteDragon },
628 { BlackDragon, BlackKnight, BlackAlfil, BlackGrasshopper, BlackKing,
629 BlackSilver, BlackCardinal, BlackAlfil, BlackKnight, BlackDragon },
632 ChessSquare JanusArray[2][BOARD_FILES] = {
633 { WhiteRook, WhiteAngel, WhiteKnight, WhiteBishop, WhiteKing,
634 WhiteQueen, WhiteBishop, WhiteKnight, WhiteAngel, WhiteRook },
635 { BlackRook, BlackAngel, BlackKnight, BlackBishop, BlackKing,
636 BlackQueen, BlackBishop, BlackKnight, BlackAngel, BlackRook }
639 ChessSquare GrandArray[2][BOARD_FILES] = {
640 { EmptySquare, WhiteKnight, WhiteBishop, WhiteQueen, WhiteKing,
641 WhiteMarshall, WhiteAngel, WhiteBishop, WhiteKnight, EmptySquare },
642 { EmptySquare, BlackKnight, BlackBishop, BlackQueen, BlackKing,
643 BlackMarshall, BlackAngel, BlackBishop, BlackKnight, EmptySquare }
646 ChessSquare ChuChessArray[2][BOARD_FILES] = {
647 { WhiteMan, WhiteKnight, WhiteBishop, WhiteCardinal, WhiteLion,
648 WhiteQueen, WhiteDragon, WhiteBishop, WhiteKnight, WhiteMan },
649 { BlackMan, BlackKnight, BlackBishop, BlackDragon, BlackQueen,
650 BlackLion, BlackCardinal, BlackBishop, BlackKnight, BlackMan }
654 ChessSquare GothicArray[2][BOARD_FILES] = {
655 { WhiteRook, WhiteKnight, WhiteBishop, WhiteQueen, WhiteMarshall,
656 WhiteKing, WhiteAngel, WhiteBishop, WhiteKnight, WhiteRook },
657 { BlackRook, BlackKnight, BlackBishop, BlackQueen, BlackMarshall,
658 BlackKing, BlackAngel, BlackBishop, BlackKnight, BlackRook }
661 #define GothicArray CapablancaArray
665 ChessSquare FalconArray[2][BOARD_FILES] = {
666 { WhiteRook, WhiteKnight, WhiteBishop, WhiteFalcon, WhiteQueen,
667 WhiteKing, WhiteFalcon, WhiteBishop, WhiteKnight, WhiteRook },
668 { BlackRook, BlackKnight, BlackBishop, BlackFalcon, BlackQueen,
669 BlackKing, BlackFalcon, BlackBishop, BlackKnight, BlackRook }
672 #define FalconArray CapablancaArray
675 #else // !(BOARD_FILES>=10)
676 #define XiangqiPosition FIDEArray
677 #define CapablancaArray FIDEArray
678 #define GothicArray FIDEArray
679 #define GreatArray FIDEArray
680 #endif // !(BOARD_FILES>=10)
682 #if (BOARD_FILES>=12)
683 ChessSquare CourierArray[2][BOARD_FILES] = {
684 { WhiteRook, WhiteKnight, WhiteAlfil, WhiteBishop, WhiteMan, WhiteKing,
685 WhiteFerz, WhiteWazir, WhiteBishop, WhiteAlfil, WhiteKnight, WhiteRook },
686 { BlackRook, BlackKnight, BlackAlfil, BlackBishop, BlackMan, BlackKing,
687 BlackFerz, BlackWazir, BlackBishop, BlackAlfil, BlackKnight, BlackRook }
689 ChessSquare ChuArray[6][BOARD_FILES] = {
690 { WhiteLance, WhiteUnicorn, WhiteMan, WhiteFerz, WhiteWazir, WhiteKing,
691 WhiteAlfil, WhiteWazir, WhiteFerz, WhiteMan, WhiteUnicorn, WhiteLance },
692 { BlackLance, BlackUnicorn, BlackMan, BlackFerz, BlackWazir, BlackAlfil,
693 BlackKing, BlackWazir, BlackFerz, BlackMan, BlackUnicorn, BlackLance },
694 { WhiteCannon, EmptySquare, WhiteBishop, EmptySquare, WhiteNightrider, WhiteMarshall,
695 WhiteAngel, WhiteNightrider, EmptySquare, WhiteBishop, EmptySquare, WhiteCannon },
696 { BlackCannon, EmptySquare, BlackBishop, EmptySquare, BlackNightrider, BlackAngel,
697 BlackMarshall, BlackNightrider, EmptySquare, BlackBishop, EmptySquare, BlackCannon },
698 { WhiteFalcon, WhiteSilver, WhiteRook, WhiteCardinal, WhiteDragon, WhiteLion,
699 WhiteQueen, WhiteDragon, WhiteCardinal, WhiteRook, WhiteSilver, WhiteFalcon },
700 { BlackFalcon, BlackSilver, BlackRook, BlackCardinal, BlackDragon, BlackQueen,
701 BlackLion, BlackDragon, BlackCardinal, BlackRook, BlackSilver, BlackFalcon }
703 #else // !(BOARD_FILES>=12)
704 #define CourierArray CapablancaArray
705 #define ChuArray CapablancaArray
706 #endif // !(BOARD_FILES>=12)
709 Board initialPosition;
712 /* Convert str to a rating. Checks for special cases of "----",
714 "++++", etc. Also strips ()'s */
716 string_to_rating (char *str)
718 while(*str && !isdigit(*str)) ++str;
720 return 0; /* One of the special "no rating" cases */
728 /* Init programStats */
729 programStats.movelist[0] = 0;
730 programStats.depth = 0;
731 programStats.nr_moves = 0;
732 programStats.moves_left = 0;
733 programStats.nodes = 0;
734 programStats.time = -1; // [HGM] PGNtime: make invalid to recognize engine output
735 programStats.score = 0;
736 programStats.got_only_move = 0;
737 programStats.got_fail = 0;
738 programStats.line_is_book = 0;
743 { // [HGM] moved some code here from InitBackend1 that has to be done after both engines have contributed their settings
744 if (appData.firstPlaysBlack) {
745 first.twoMachinesColor = "black\n";
746 second.twoMachinesColor = "white\n";
748 first.twoMachinesColor = "white\n";
749 second.twoMachinesColor = "black\n";
752 first.other = &second;
753 second.other = &first;
756 if(appData.timeOddsMode) {
757 norm = appData.timeOdds[0];
758 if(norm > appData.timeOdds[1]) norm = appData.timeOdds[1];
760 first.timeOdds = appData.timeOdds[0]/norm;
761 second.timeOdds = appData.timeOdds[1]/norm;
764 if(programVersion) free(programVersion);
765 if (appData.noChessProgram) {
766 programVersion = (char*) malloc(5 + strlen(PACKAGE_STRING));
767 sprintf(programVersion, "%s", PACKAGE_STRING);
769 /* [HGM] tidy: use tidy name, in stead of full pathname (which was probably a bug due to / vs \ ) */
770 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
771 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
776 UnloadEngine (ChessProgramState *cps)
778 /* Kill off first chess program */
779 if (cps->isr != NULL)
780 RemoveInputSource(cps->isr);
783 if (cps->pr != NoProc) {
785 DoSleep( appData.delayBeforeQuit );
786 SendToProgram("quit\n", cps);
787 DestroyChildProcess(cps->pr, 4 + cps->useSigterm);
790 if(appData.debugMode) fprintf(debugFP, "Unload %s\n", cps->which);
794 ClearOptions (ChessProgramState *cps)
797 cps->nrOptions = cps->comboCnt = 0;
798 for(i=0; i<MAX_OPTIONS; i++) {
799 cps->option[i].min = cps->option[i].max = cps->option[i].value = 0;
800 cps->option[i].textValue = 0;
804 char *engineNames[] = {
805 /* TRANSLATORS: "first" is the first of possible two chess engines. It is inserted into strings
806 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
808 /* TRANSLATORS: "second" is the second of possible two chess engines. It is inserted into strings
809 such as "%s engine" / "%s chess program" / "%s machine" - all meaning the same thing */
814 InitEngine (ChessProgramState *cps, int n)
815 { // [HGM] all engine initialiation put in a function that does one engine
819 cps->which = engineNames[n];
820 cps->maybeThinking = FALSE;
824 cps->sendDrawOffers = 1;
826 cps->program = appData.chessProgram[n];
827 cps->host = appData.host[n];
828 cps->dir = appData.directory[n];
829 cps->initString = appData.engInitString[n];
830 cps->computerString = appData.computerString[n];
831 cps->useSigint = TRUE;
832 cps->useSigterm = TRUE;
833 cps->reuse = appData.reuse[n];
834 cps->nps = appData.NPS[n]; // [HGM] nps: copy nodes per second
835 cps->useSetboard = FALSE;
837 cps->usePing = FALSE;
840 cps->usePlayother = FALSE;
841 cps->useColors = TRUE;
842 cps->useUsermove = FALSE;
843 cps->sendICS = FALSE;
844 cps->sendName = appData.icsActive;
845 cps->sdKludge = FALSE;
846 cps->stKludge = FALSE;
847 if(cps->tidy == NULL) cps->tidy = (char*) malloc(MSG_SIZ);
848 TidyProgramName(cps->program, cps->host, cps->tidy);
850 ASSIGN(cps->variants, appData.variant);
851 cps->analysisSupport = 2; /* detect */
852 cps->analyzing = FALSE;
853 cps->initDone = FALSE;
855 cps->pseudo = appData.pseudo[n];
857 /* New features added by Tord: */
858 cps->useFEN960 = FALSE;
859 cps->useOOCastle = TRUE;
860 /* End of new features added by Tord. */
861 cps->fenOverride = appData.fenOverride[n];
863 /* [HGM] time odds: set factor for each machine */
864 cps->timeOdds = appData.timeOdds[n];
866 /* [HGM] secondary TC: how to handle sessions that do not fit in 'level'*/
867 cps->accumulateTC = appData.accumulateTC[n];
868 cps->maxNrOfSessions = 1;
873 cps->drawDepth = appData.drawDepth[n];
874 cps->supportsNPS = UNKNOWN;
875 cps->memSize = FALSE;
876 cps->maxCores = FALSE;
877 ASSIGN(cps->egtFormats, "");
880 cps->optionSettings = appData.engOptions[n];
882 cps->scoreIsAbsolute = appData.scoreIsAbsolute[n]; /* [AS] */
883 cps->isUCI = appData.isUCI[n]; /* [AS] */
884 cps->hasOwnBookUCI = appData.hasOwnBookUCI[n]; /* [AS] */
887 if (appData.protocolVersion[n] > PROTOVER
888 || appData.protocolVersion[n] < 1)
893 len = snprintf(buf, MSG_SIZ, _("protocol version %d not supported"),
894 appData.protocolVersion[n]);
895 if( (len >= MSG_SIZ) && appData.debugMode )
896 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
898 DisplayFatalError(buf, 0, 2);
902 cps->protocolVersion = appData.protocolVersion[n];
905 InitEngineUCI( installDir, cps ); // [HGM] moved here from winboard.c, to make available in xboard
906 ParseFeatures(appData.featureDefaults, cps);
909 ChessProgramState *savCps;
917 if(WaitForEngine(savCps, LoadEngine)) return;
918 CommonEngineInit(); // recalculate time odds
919 if(gameInfo.variant != StringToVariant(appData.variant)) {
920 // we changed variant when loading the engine; this forces us to reset
921 Reset(TRUE, savCps != &first);
922 oldMode = BeginningOfGame; // to prevent restoring old mode
924 InitChessProgram(savCps, FALSE);
925 if(gameMode == EditGame) SendToProgram("force\n", savCps); // in EditGame mode engine must be in force mode
926 DisplayMessage("", "");
927 if (startedFromSetupPosition) SendBoard(savCps, backwardMostMove);
928 for (i = backwardMostMove; i < currentMove; i++) SendMoveToProgram(i, savCps);
931 if(oldMode == AnalyzeMode) AnalyzeModeEvent();
935 ReplaceEngine (ChessProgramState *cps, int n)
937 oldMode = gameMode; // remember mode, so it can be restored after loading sequence is complete
939 if(oldMode != BeginningOfGame) EditGameEvent();
942 appData.noChessProgram = FALSE;
943 appData.clockMode = TRUE;
946 if(n) return; // only startup first engine immediately; second can wait
947 savCps = cps; // parameter to LoadEngine passed as globals, to allow scheduled calling :-(
951 extern char *engineName, *engineDir, *engineChoice, *engineLine, *nickName, *params;
952 extern Boolean isUCI, hasBook, storeVariant, v1, addToList, useNick;
954 static char resetOptions[] =
955 "-reuse -firstIsUCI false -firstHasOwnBookUCI true -firstTimeOdds 1 "
956 "-firstInitString \"" INIT_STRING "\" -firstComputerString \"" COMPUTER_STRING "\" "
957 "-firstFeatures \"\" -firstLogo \"\" -firstAccumulateTC 1 "
958 "-firstOptions \"\" -firstNPS -1 -fn \"\" -firstScoreAbs false";
961 FloatToFront(char **list, char *engineLine)
963 char buf[MSG_SIZ], tidy[MSG_SIZ], *p = buf, *q, *r = buf;
965 if(appData.recentEngines <= 0) return;
966 TidyProgramName(engineLine, "localhost", tidy+1);
967 tidy[0] = buf[0] = '\n'; strcat(tidy, "\n");
968 strncpy(buf+1, *list, MSG_SIZ-50);
969 if(p = strstr(buf, tidy)) { // tidy name appears in list
970 q = strchr(++p, '\n'); if(q == NULL) return; // malformed, don't touch
971 while(*p++ = *++q); // squeeze out
973 strcat(tidy, buf+1); // put list behind tidy name
974 p = tidy + 1; while(q = strchr(p, '\n')) i++, r = p, p = q + 1; // count entries in new list
975 if(i > appData.recentEngines) *r = NULLCHAR; // if maximum rached, strip off last
976 ASSIGN(*list, tidy+1);
979 char *insert, *wbOptions; // point in ChessProgramNames were we should insert new engine
982 Load (ChessProgramState *cps, int i)
984 char *p, *q, buf[MSG_SIZ], command[MSG_SIZ], buf2[MSG_SIZ], buf3[MSG_SIZ], jar;
985 if(engineLine && engineLine[0]) { // an engine was selected from the combo box
986 snprintf(buf, MSG_SIZ, "-fcp %s", engineLine);
987 SwapEngines(i); // kludge to parse -f* / -first* like it is -s* / -second*
988 ParseArgsFromString(resetOptions); appData.pvSAN[0] = FALSE;
989 FREE(appData.fenOverride[0]); appData.fenOverride[0] = NULL;
990 appData.firstProtocolVersion = PROTOVER;
991 ParseArgsFromString(buf);
993 ReplaceEngine(cps, i);
994 FloatToFront(&appData.recentEngineList, engineLine);
998 while(q = strchr(p, SLASH)) p = q+1;
999 if(*p== NULLCHAR) { DisplayError(_("You did not specify the engine executable"), 0); return; }
1000 if(engineDir[0] != NULLCHAR) {
1001 ASSIGN(appData.directory[i], engineDir); p = engineName;
1002 } else if(p != engineName) { // derive directory from engine path, when not given
1004 ASSIGN(appData.directory[i], engineName);
1006 if(SLASH == '/' && p - engineName > 1) *(p -= 2) = '.'; // for XBoard use ./exeName as command after split!
1007 } else { ASSIGN(appData.directory[i], "."); }
1008 jar = (strstr(p, ".jar") == p + strlen(p) - 4);
1010 if(strchr(p, ' ') && !strchr(p, '"')) snprintf(buf2, MSG_SIZ, "\"%s\"", p), p = buf2; // quote if it contains spaces
1011 snprintf(command, MSG_SIZ, "%s %s", p, params);
1014 if(jar) { snprintf(buf3, MSG_SIZ, "java -jar %s", p); p = buf3; }
1015 ASSIGN(appData.chessProgram[i], p);
1016 appData.isUCI[i] = isUCI;
1017 appData.protocolVersion[i] = v1 ? 1 : PROTOVER;
1018 appData.hasOwnBookUCI[i] = hasBook;
1019 if(!nickName[0]) useNick = FALSE;
1020 if(useNick) ASSIGN(appData.pgnName[i], nickName);
1024 q = firstChessProgramNames;
1025 if(nickName[0]) snprintf(buf, MSG_SIZ, "\"%s\" -fcp ", nickName); else buf[0] = NULLCHAR;
1026 quote = strchr(p, '"') ? '\'' : '"'; // use single quotes around engine command if it contains double quotes
1027 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), "%c%s%c -fd \"%s\"%s%s%s%s%s%s%s%s\n",
1028 quote, p, quote, appData.directory[i],
1029 useNick ? " -fn \"" : "",
1030 useNick ? nickName : "",
1031 useNick ? "\"" : "",
1032 v1 ? " -firstProtocolVersion 1" : "",
1033 hasBook ? "" : " -fNoOwnBookUCI",
1034 isUCI ? (isUCI == TRUE ? " -fUCI" : gameInfo.variant == VariantShogi ? " -fUSI" : " -fUCCI") : "",
1035 storeVariant ? " -variant " : "",
1036 storeVariant ? VariantName(gameInfo.variant) : "");
1037 if(wbOptions && wbOptions[0]) snprintf(buf+strlen(buf)-1, MSG_SIZ-strlen(buf), " %s\n", wbOptions);
1038 firstChessProgramNames = malloc(len = strlen(q) + strlen(buf) + 1);
1039 if(insert != q) insert[-1] = NULLCHAR;
1040 snprintf(firstChessProgramNames, len, "%s\n%s%s", q, buf, insert);
1042 FloatToFront(&appData.recentEngineList, buf);
1044 ReplaceEngine(cps, i);
1050 int matched, min, sec;
1052 * Parse timeControl resource
1054 if (!ParseTimeControl(appData.timeControl, appData.timeIncrement,
1055 appData.movesPerSession)) {
1057 snprintf(buf, sizeof(buf), _("bad timeControl option %s"), appData.timeControl);
1058 DisplayFatalError(buf, 0, 2);
1062 * Parse searchTime resource
1064 if (*appData.searchTime != NULLCHAR) {
1065 matched = sscanf(appData.searchTime, "%d:%d", &min, &sec);
1067 searchTime = min * 60;
1068 } else if (matched == 2) {
1069 searchTime = min * 60 + sec;
1072 snprintf(buf, sizeof(buf), _("bad searchTime option %s"), appData.searchTime);
1073 DisplayFatalError(buf, 0, 2);
1082 ShowThinkingEvent(); // [HGM] thinking: make sure post/nopost state is set according to options
1083 startVariant = StringToVariant(appData.variant); // [HGM] nicks: remember original variant
1085 GetTimeMark(&programStartTime);
1086 srandom((programStartTime.ms + 1000*programStartTime.sec)*0x1001001); // [HGM] book: makes sure random is unpredictabe to msec level
1087 appData.seedBase = random() + (random()<<15);
1088 pauseStart = programStartTime; pauseStart.sec -= 100; // [HGM] matchpause: fake a pause that has long since ended
1090 ClearProgramStats();
1091 programStats.ok_to_send = 1;
1092 programStats.seen_stat = 0;
1095 * Initialize game list
1101 * Internet chess server status
1103 if (appData.icsActive) {
1104 appData.matchMode = FALSE;
1105 appData.matchGames = 0;
1107 appData.noChessProgram = !appData.zippyPlay;
1109 appData.zippyPlay = FALSE;
1110 appData.zippyTalk = FALSE;
1111 appData.noChessProgram = TRUE;
1113 if (*appData.icsHelper != NULLCHAR) {
1114 appData.useTelnet = TRUE;
1115 appData.telnetProgram = appData.icsHelper;
1118 appData.zippyTalk = appData.zippyPlay = FALSE;
1121 /* [AS] Initialize pv info list [HGM] and game state */
1125 for( i=0; i<=framePtr; i++ ) {
1126 pvInfoList[i].depth = -1;
1127 boards[i][EP_STATUS] = EP_NONE;
1128 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
1134 /* [AS] Adjudication threshold */
1135 adjudicateLossThreshold = appData.adjudicateLossThreshold;
1137 InitEngine(&first, 0);
1138 InitEngine(&second, 1);
1141 pairing.which = "pairing"; // pairing engine
1142 pairing.pr = NoProc;
1144 pairing.program = appData.pairingEngine;
1145 pairing.host = "localhost";
1148 if (appData.icsActive) {
1149 appData.clockMode = TRUE; /* changes dynamically in ICS mode */
1150 } else if (appData.noChessProgram) { // [HGM] st: searchTime mode now also is clockMode
1151 appData.clockMode = FALSE;
1152 first.sendTime = second.sendTime = 0;
1156 /* Override some settings from environment variables, for backward
1157 compatibility. Unfortunately it's not feasible to have the env
1158 vars just set defaults, at least in xboard. Ugh.
1160 if (appData.icsActive && (appData.zippyPlay || appData.zippyTalk)) {
1165 if (!appData.icsActive) {
1169 /* Check for variants that are supported only in ICS mode,
1170 or not at all. Some that are accepted here nevertheless
1171 have bugs; see comments below.
1173 VariantClass variant = StringToVariant(appData.variant);
1175 case VariantBughouse: /* need four players and two boards */
1176 case VariantKriegspiel: /* need to hide pieces and move details */
1177 /* case VariantFischeRandom: (Fabien: moved below) */
1178 len = snprintf(buf,MSG_SIZ, _("Variant %s supported only in ICS mode"), appData.variant);
1179 if( (len >= MSG_SIZ) && appData.debugMode )
1180 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1182 DisplayFatalError(buf, 0, 2);
1185 case VariantUnknown:
1186 case VariantLoadable:
1196 len = snprintf(buf, MSG_SIZ, _("Unknown variant name %s"), appData.variant);
1197 if( (len >= MSG_SIZ) && appData.debugMode )
1198 fprintf(debugFP, "InitBackEnd1: buffer truncated.\n");
1200 DisplayFatalError(buf, 0, 2);
1203 case VariantXiangqi: /* [HGM] repetition rules not implemented */
1204 case VariantFairy: /* [HGM] TestLegality definitely off! */
1205 case VariantGothic: /* [HGM] should work */
1206 case VariantCapablanca: /* [HGM] should work */
1207 case VariantCourier: /* [HGM] initial forced moves not implemented */
1208 case VariantShogi: /* [HGM] could still mate with pawn drop */
1209 case VariantChu: /* [HGM] experimental */
1210 case VariantKnightmate: /* [HGM] should work */
1211 case VariantCylinder: /* [HGM] untested */
1212 case VariantFalcon: /* [HGM] untested */
1213 case VariantCrazyhouse: /* holdings not shown, ([HGM] fixed that!)
1214 offboard interposition not understood */
1215 case VariantNormal: /* definitely works! */
1216 case VariantWildCastle: /* pieces not automatically shuffled */
1217 case VariantNoCastle: /* pieces not automatically shuffled */
1218 case VariantFischeRandom: /* [HGM] works and shuffles pieces */
1219 case VariantLosers: /* should work except for win condition,
1220 and doesn't know captures are mandatory */
1221 case VariantSuicide: /* should work except for win condition,
1222 and doesn't know captures are mandatory */
1223 case VariantGiveaway: /* should work except for win condition,
1224 and doesn't know captures are mandatory */
1225 case VariantTwoKings: /* should work */
1226 case VariantAtomic: /* should work except for win condition */
1227 case Variant3Check: /* should work except for win condition */
1228 case VariantShatranj: /* should work except for all win conditions */
1229 case VariantMakruk: /* should work except for draw countdown */
1230 case VariantASEAN : /* should work except for draw countdown */
1231 case VariantBerolina: /* might work if TestLegality is off */
1232 case VariantCapaRandom: /* should work */
1233 case VariantJanus: /* should work */
1234 case VariantSuper: /* experimental */
1235 case VariantGreat: /* experimental, requires legality testing to be off */
1236 case VariantSChess: /* S-Chess, should work */
1237 case VariantGrand: /* should work */
1238 case VariantSpartan: /* should work */
1239 case VariantLion: /* should work */
1240 case VariantChuChess: /* should work */
1248 NextIntegerFromString (char ** str, long * value)
1253 while( *s == ' ' || *s == '\t' ) {
1259 if( *s >= '0' && *s <= '9' ) {
1260 while( *s >= '0' && *s <= '9' ) {
1261 *value = *value * 10 + (*s - '0');
1274 NextTimeControlFromString (char ** str, long * value)
1277 int result = NextIntegerFromString( str, &temp );
1280 *value = temp * 60; /* Minutes */
1281 if( **str == ':' ) {
1283 result = NextIntegerFromString( str, &temp );
1284 *value += temp; /* Seconds */
1292 NextSessionFromString (char ** str, int *moves, long * tc, long *inc, int *incType)
1293 { /* [HGM] routine added to read '+moves/time' for secondary time control. */
1294 int result = -1, type = 0; long temp, temp2;
1296 if(**str != ':') return -1; // old params remain in force!
1298 if(**str == '*') type = *(*str)++, temp = 0; // sandclock TC
1299 if( NextIntegerFromString( str, &temp ) ) return -1;
1300 if(type) { *moves = 0; *tc = temp * 500; *inc = temp * 1000; *incType = '*'; return 0; }
1303 /* time only: incremental or sudden-death time control */
1304 if(**str == '+') { /* increment follows; read it */
1306 if(**str == '!') type = *(*str)++; // Bronstein TC
1307 if(result = NextIntegerFromString( str, &temp2)) return -1;
1308 *inc = temp2 * 1000;
1309 if(**str == '.') { // read fraction of increment
1310 char *start = ++(*str);
1311 if(result = NextIntegerFromString( str, &temp2)) return -1;
1313 while(start++ < *str) temp2 /= 10;
1317 *moves = 0; *tc = temp * 1000; *incType = type;
1321 (*str)++; /* classical time control */
1322 result = NextIntegerFromString( str, &temp2); // NOTE: already converted to seconds by ParseTimeControl()
1334 GetTimeQuota (int movenr, int lastUsed, char *tcString)
1335 { /* [HGM] get time to add from the multi-session time-control string */
1336 int incType, moves=1; /* kludge to force reading of first session */
1337 long time, increment;
1340 if(!s || !*s) return 0; // empty TC string means we ran out of the last sudden-death version
1342 if(moves) NextSessionFromString(&s, &moves, &time, &increment, &incType);
1343 nextSession = s; suddenDeath = moves == 0 && increment == 0;
1344 if(movenr == -1) return time; /* last move before new session */
1345 if(incType == '*') increment = 0; else // for sandclock, time is added while not thinking
1346 if(incType == '!' && lastUsed < increment) increment = lastUsed;
1347 if(!moves) return increment; /* current session is incremental */
1348 if(movenr >= 0) movenr -= moves; /* we already finished this session */
1349 } while(movenr >= -1); /* try again for next session */
1351 return 0; // no new time quota on this move
1355 ParseTimeControl (char *tc, float ti, int mps)
1359 char buf[MSG_SIZ], buf2[MSG_SIZ], *mytc = tc;
1362 if(ti >= 0 && !strchr(tc, '+') && !strchr(tc, '/') ) mps = 0;
1363 if(!strchr(tc, '+') && !strchr(tc, '/') && sscanf(tc, "%d:%d", &min, &sec) >= 1)
1364 sprintf(mytc=buf2, "%d", 60*min+sec); // convert 'classical' min:sec tc string to seconds
1368 snprintf(buf, MSG_SIZ, ":%d/%s+%g", mps, mytc, ti);
1370 snprintf(buf, MSG_SIZ, ":%s+%g", mytc, ti);
1373 snprintf(buf, MSG_SIZ, ":%d/%s", mps, mytc);
1375 snprintf(buf, MSG_SIZ, ":%s", mytc);
1377 fullTimeControlString = StrSave(buf); // this should now be in PGN format
1379 if( NextTimeControlFromString( &tc, &tc1 ) != 0 ) {
1384 /* Parse second time control */
1387 if( NextTimeControlFromString( &tc, &tc2 ) != 0 ) {
1395 timeControl_2 = tc2 * 1000;
1405 timeControl = tc1 * 1000;
1408 timeIncrement = ti * 1000; /* convert to ms */
1409 movesPerSession = 0;
1412 movesPerSession = mps;
1420 if (appData.debugMode) {
1421 # ifdef __GIT_VERSION
1422 fprintf(debugFP, "Version: %s (%s)\n", programVersion, __GIT_VERSION);
1424 fprintf(debugFP, "Version: %s\n", programVersion);
1427 ASSIGN(currentDebugFile, appData.nameOfDebugFile); // [HGM] debug split: remember initial name in use
1429 set_cont_sequence(appData.wrapContSeq);
1430 if (appData.matchGames > 0) {
1431 appData.matchMode = TRUE;
1432 } else if (appData.matchMode) {
1433 appData.matchGames = 1;
1435 if(appData.matchMode && appData.sameColorGames > 0) /* [HGM] alternate: overrule matchGames */
1436 appData.matchGames = appData.sameColorGames;
1437 if(appData.rewindIndex > 1) { /* [HGM] autoinc: rewind implies auto-increment and overrules given index */
1438 if(appData.loadPositionIndex >= 0) appData.loadPositionIndex = -1;
1439 if(appData.loadGameIndex >= 0) appData.loadGameIndex = -1;
1442 if (appData.noChessProgram || first.protocolVersion == 1) {
1445 /* kludge: allow timeout for initial "feature" commands */
1447 DisplayMessage("", _("Starting chess program"));
1448 ScheduleDelayedEvent(InitBackEnd3, FEATURE_TIMEOUT);
1453 CalculateIndex (int index, int gameNr)
1454 { // [HGM] autoinc: absolute way to determine load index from game number (taking auto-inc and rewind into account)
1456 if(index > 0) return index; // fixed nmber
1457 if(index == 0) return 1;
1458 res = (index == -1 ? gameNr : (gameNr-1)/2 + 1); // autoinc
1459 if(appData.rewindIndex > 0) res = (res-1) % appData.rewindIndex + 1; // rewind
1464 LoadGameOrPosition (int gameNr)
1465 { // [HGM] taken out of MatchEvent and NextMatchGame (to combine it)
1466 if (*appData.loadGameFile != NULLCHAR) {
1467 if (!LoadGameFromFile(appData.loadGameFile,
1468 CalculateIndex(appData.loadGameIndex, gameNr),
1469 appData.loadGameFile, FALSE)) {
1470 DisplayFatalError(_("Bad game file"), 0, 1);
1473 } else if (*appData.loadPositionFile != NULLCHAR) {
1474 if (!LoadPositionFromFile(appData.loadPositionFile,
1475 CalculateIndex(appData.loadPositionIndex, gameNr),
1476 appData.loadPositionFile)) {
1477 DisplayFatalError(_("Bad position file"), 0, 1);
1485 ReserveGame (int gameNr, char resChar)
1487 FILE *tf = fopen(appData.tourneyFile, "r+");
1488 char *p, *q, c, buf[MSG_SIZ];
1489 if(tf == NULL) { nextGame = appData.matchGames + 1; return; } // kludge to terminate match
1490 safeStrCpy(buf, lastMsg, MSG_SIZ);
1491 DisplayMessage(_("Pick new game"), "");
1492 flock(fileno(tf), LOCK_EX); // lock the tourney file while we are messing with it
1493 ParseArgsFromFile(tf);
1494 p = q = appData.results;
1495 if(appData.debugMode) {
1496 char *r = appData.participants;
1497 fprintf(debugFP, "results = '%s'\n", p);
1498 while(*r) fprintf(debugFP, *r >= ' ' ? "%c" : "\\%03o", *r), r++;
1499 fprintf(debugFP, "\n");
1501 while(*q && *q != ' ') q++; // get first un-played game (could be beyond end!)
1503 q = malloc(strlen(p) + 2); // could be arbitrary long, but allow to extend by one!
1504 safeStrCpy(q, p, strlen(p) + 2);
1505 if(gameNr >= 0) q[gameNr] = resChar; // replace '*' with result
1506 if(appData.debugMode) fprintf(debugFP, "pick next game from '%s': %d\n", q, nextGame);
1507 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch) { // reserve next game if tourney not yet done
1508 if(q[nextGame] == NULLCHAR) q[nextGame+1] = NULLCHAR; // append one char
1511 fseek(tf, -(strlen(p)+4), SEEK_END);
1513 if(c != '"') // depending on DOS or Unix line endings we can be one off
1514 fseek(tf, -(strlen(p)+2), SEEK_END);
1515 else fseek(tf, -(strlen(p)+3), SEEK_END);
1516 fprintf(tf, "%s\"\n", q); fclose(tf); // update, and flush by closing
1517 DisplayMessage(buf, "");
1518 free(p); appData.results = q;
1519 if(nextGame <= appData.matchGames && resChar != ' ' && !abortMatch &&
1520 (gameNr < 0 || nextGame / appData.defaultMatchGames != gameNr / appData.defaultMatchGames)) {
1521 int round = appData.defaultMatchGames * appData.tourneyType;
1522 if(gameNr < 0 || appData.tourneyType < 1 || // gauntlet engine can always stay loaded as first engine
1523 appData.tourneyType > 1 && nextGame/round != gameNr/round) // in multi-gauntlet change only after round
1524 UnloadEngine(&first); // next game belongs to other pairing;
1525 UnloadEngine(&second); // already unload the engines, so TwoMachinesEvent will load new ones.
1527 if(appData.debugMode) fprintf(debugFP, "Reserved, next=%d, nr=%d\n", nextGame, gameNr);
1531 MatchEvent (int mode)
1532 { // [HGM] moved out of InitBackend3, to make it callable when match starts through menu
1534 if(matchMode) { // already in match mode: switch it off
1536 if(!appData.tourneyFile[0]) appData.matchGames = matchGame; // kludge to let match terminate after next game.
1539 // if(gameMode != BeginningOfGame) {
1540 // DisplayError(_("You can only start a match from the initial position."), 0);
1544 if(mode == 2) appData.matchGames = appData.defaultMatchGames;
1545 /* Set up machine vs. machine match */
1547 NextTourneyGame(-1, &dummy); // sets appData.matchGames if this is tourney, to make sure ReserveGame knows it
1548 if(appData.tourneyFile[0]) {
1550 if(nextGame > appData.matchGames) {
1552 if(strchr(appData.results, '*') == NULL) {
1554 appData.tourneyCycles++;
1555 if(f = WriteTourneyFile(appData.results, NULL)) { // make a tourney file with increased number of cycles
1557 NextTourneyGame(-1, &dummy);
1559 if(nextGame <= appData.matchGames) {
1560 DisplayNote(_("You restarted an already completed tourney.\nOne more cycle will now be added to it.\nGames commence in 10 sec."));
1562 ScheduleDelayedEvent(NextMatchGame, 10000);
1567 snprintf(buf, MSG_SIZ, _("All games in tourney '%s' are already played or playing"), appData.tourneyFile);
1568 DisplayError(buf, 0);
1569 appData.tourneyFile[0] = 0;
1573 if (appData.noChessProgram) { // [HGM] in tourney engines are loaded automatically
1574 DisplayFatalError(_("Can't have a match with no chess programs"),
1579 matchGame = roundNr = 1;
1580 first.matchWins = second.matchWins = 0; // [HGM] match: needed in later matches
1584 char *comboLine = NULL; // [HGM] recent: WinBoard's first-engine combobox line
1587 InitBackEnd3 P((void))
1589 GameMode initialMode;
1593 if(!appData.icsActive && !appData.noChessProgram && !appData.matchMode && // mode involves only first engine
1594 !strcmp(appData.variant, "normal") && // no explicit variant request
1595 appData.NrRanks == -1 && appData.NrFiles == -1 && appData.holdingsSize == -1 && // no size overrides requested
1596 !SupportedVariant(first.variants, VariantNormal, 8, 8, 0, first.protocolVersion, "") && // but 'normal' won't work with engine
1597 !SupportedVariant(first.variants, VariantFischeRandom, 8, 8, 0, first.protocolVersion, "") ) { // nor will Chess960
1598 char c, *q = first.variants, *p = strchr(q, ',');
1599 if(p) *p = NULLCHAR;
1600 if(StringToVariant(q) != VariantUnknown) { // the engine can play a recognized variant, however
1602 if(sscanf(q, "%dx%d+%d_%c", &w, &h, &s, &c) == 4) // get size overrides the engine needs with it (if any)
1603 appData.NrFiles = w, appData.NrRanks = h, appData.holdingsSize = s, q = strchr(q, '_') + 1;
1604 ASSIGN(appData.variant, q); // fake user requested the first variant played by the engine
1605 Reset(TRUE, FALSE); // and re-initialize
1610 InitChessProgram(&first, startedFromSetupPosition);
1612 if(!appData.noChessProgram) { /* [HGM] tidy: redo program version to use name from myname feature */
1613 free(programVersion);
1614 programVersion = (char*) malloc(8 + strlen(PACKAGE_STRING) + strlen(first.tidy));
1615 sprintf(programVersion, "%s + %s", PACKAGE_STRING, first.tidy);
1616 FloatToFront(&appData.recentEngineList, comboLine ? comboLine : appData.firstChessProgram);
1619 if (appData.icsActive) {
1621 /* [DM] Make a console window if needed [HGM] merged ifs */
1627 if (*appData.icsCommPort != NULLCHAR)
1628 len = snprintf(buf, MSG_SIZ, _("Could not open comm port %s"),
1629 appData.icsCommPort);
1631 len = snprintf(buf, MSG_SIZ, _("Could not connect to host %s, port %s"),
1632 appData.icsHost, appData.icsPort);
1634 if( (len >= MSG_SIZ) && appData.debugMode )
1635 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1637 DisplayFatalError(buf, err, 1);
1642 AddInputSource(icsPR, FALSE, read_from_ics, &telnetISR);
1644 AddInputSource(NoProc, FALSE, read_from_player, &fromUserISR);
1645 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
1646 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1647 } else if (appData.noChessProgram) {
1653 if (*appData.cmailGameName != NULLCHAR) {
1655 OpenLoopback(&cmailPR);
1657 AddInputSource(cmailPR, FALSE, CmailSigHandlerCallBack, &cmailISR);
1661 DisplayMessage("", "");
1662 if (StrCaseCmp(appData.initialMode, "") == 0) {
1663 initialMode = BeginningOfGame;
1664 if(!appData.icsActive && appData.noChessProgram) { // [HGM] could be fall-back
1665 gameMode = MachinePlaysBlack; // "Machine Black" might have been implicitly highlighted
1666 ModeHighlight(); // make sure XBoard knows it is highlighted, so it will un-highlight it
1667 gameMode = BeginningOfGame; // in case BeginningOfGame now means "Edit Position"
1670 } else if (StrCaseCmp(appData.initialMode, "TwoMachines") == 0) {
1671 initialMode = TwoMachinesPlay;
1672 } else if (StrCaseCmp(appData.initialMode, "AnalyzeFile") == 0) {
1673 initialMode = AnalyzeFile;
1674 } else if (StrCaseCmp(appData.initialMode, "Analysis") == 0) {
1675 initialMode = AnalyzeMode;
1676 } else if (StrCaseCmp(appData.initialMode, "MachineWhite") == 0) {
1677 initialMode = MachinePlaysWhite;
1678 } else if (StrCaseCmp(appData.initialMode, "MachineBlack") == 0) {
1679 initialMode = MachinePlaysBlack;
1680 } else if (StrCaseCmp(appData.initialMode, "EditGame") == 0) {
1681 initialMode = EditGame;
1682 } else if (StrCaseCmp(appData.initialMode, "EditPosition") == 0) {
1683 initialMode = EditPosition;
1684 } else if (StrCaseCmp(appData.initialMode, "Training") == 0) {
1685 initialMode = Training;
1687 len = snprintf(buf, MSG_SIZ, _("Unknown initialMode %s"), appData.initialMode);
1688 if( (len >= MSG_SIZ) && appData.debugMode )
1689 fprintf(debugFP, "InitBackEnd3: buffer truncated.\n");
1691 DisplayFatalError(buf, 0, 2);
1695 if (appData.matchMode) {
1696 if(appData.tourneyFile[0]) { // start tourney from command line
1698 if(f = fopen(appData.tourneyFile, "r")) {
1699 ParseArgsFromFile(f); // make sure tourney parmeters re known
1701 appData.clockMode = TRUE;
1703 } else appData.tourneyFile[0] = NULLCHAR; // for now ignore bad tourney file
1706 } else if (*appData.cmailGameName != NULLCHAR) {
1707 /* Set up cmail mode */
1708 ReloadCmailMsgEvent(TRUE);
1710 /* Set up other modes */
1711 if (initialMode == AnalyzeFile) {
1712 if (*appData.loadGameFile == NULLCHAR) {
1713 DisplayFatalError(_("AnalyzeFile mode requires a game file"), 0, 1);
1717 if (*appData.loadGameFile != NULLCHAR) {
1718 (void) LoadGameFromFile(appData.loadGameFile,
1719 appData.loadGameIndex,
1720 appData.loadGameFile, TRUE);
1721 } else if (*appData.loadPositionFile != NULLCHAR) {
1722 (void) LoadPositionFromFile(appData.loadPositionFile,
1723 appData.loadPositionIndex,
1724 appData.loadPositionFile);
1725 /* [HGM] try to make self-starting even after FEN load */
1726 /* to allow automatic setup of fairy variants with wtm */
1727 if(initialMode == BeginningOfGame && !blackPlaysFirst) {
1728 gameMode = BeginningOfGame;
1729 setboardSpoiledMachineBlack = 1;
1731 /* [HGM] loadPos: make that every new game uses the setup */
1732 /* from file as long as we do not switch variant */
1733 if(!blackPlaysFirst) {
1734 startedFromPositionFile = TRUE;
1735 CopyBoard(filePosition, boards[0]);
1738 if (initialMode == AnalyzeMode) {
1739 if (appData.noChessProgram) {
1740 DisplayFatalError(_("Analysis mode requires a chess engine"), 0, 2);
1743 if (appData.icsActive) {
1744 DisplayFatalError(_("Analysis mode does not work with ICS mode"),0,2);
1748 } else if (initialMode == AnalyzeFile) {
1749 appData.showThinking = TRUE; // [HGM] thinking: moved out of ShowThinkingEvent
1750 ShowThinkingEvent();
1752 AnalysisPeriodicEvent(1);
1753 } else if (initialMode == MachinePlaysWhite) {
1754 if (appData.noChessProgram) {
1755 DisplayFatalError(_("MachineWhite mode requires a chess engine"),
1759 if (appData.icsActive) {
1760 DisplayFatalError(_("MachineWhite mode does not work with ICS mode"),
1764 MachineWhiteEvent();
1765 } else if (initialMode == MachinePlaysBlack) {
1766 if (appData.noChessProgram) {
1767 DisplayFatalError(_("MachineBlack mode requires a chess engine"),
1771 if (appData.icsActive) {
1772 DisplayFatalError(_("MachineBlack mode does not work with ICS mode"),
1776 MachineBlackEvent();
1777 } else if (initialMode == TwoMachinesPlay) {
1778 if (appData.noChessProgram) {
1779 DisplayFatalError(_("TwoMachines mode requires a chess engine"),
1783 if (appData.icsActive) {
1784 DisplayFatalError(_("TwoMachines mode does not work with ICS mode"),
1789 } else if (initialMode == EditGame) {
1791 } else if (initialMode == EditPosition) {
1792 EditPositionEvent();
1793 } else if (initialMode == Training) {
1794 if (*appData.loadGameFile == NULLCHAR) {
1795 DisplayFatalError(_("Training mode requires a game file"), 0, 2);
1804 HistorySet (char movelist[][2*MOVE_LEN], int first, int last, int current)
1806 DisplayBook(current+1);
1808 MoveHistorySet( movelist, first, last, current, pvInfoList );
1810 EvalGraphSet( first, last, current, pvInfoList );
1812 MakeEngineOutputTitle();
1816 * Establish will establish a contact to a remote host.port.
1817 * Sets icsPR to a ProcRef for a process (or pseudo-process)
1818 * used to talk to the host.
1819 * Returns 0 if okay, error code if not.
1826 if (*appData.icsCommPort != NULLCHAR) {
1827 /* Talk to the host through a serial comm port */
1828 return OpenCommPort(appData.icsCommPort, &icsPR);
1830 } else if (*appData.gateway != NULLCHAR) {
1831 if (*appData.remoteShell == NULLCHAR) {
1832 /* Use the rcmd protocol to run telnet program on a gateway host */
1833 snprintf(buf, sizeof(buf), "%s %s %s",
1834 appData.telnetProgram, appData.icsHost, appData.icsPort);
1835 return OpenRcmd(appData.gateway, appData.remoteUser, buf, &icsPR);
1838 /* Use the rsh program to run telnet program on a gateway host */
1839 if (*appData.remoteUser == NULLCHAR) {
1840 snprintf(buf, sizeof(buf), "%s %s %s %s %s", appData.remoteShell,
1841 appData.gateway, appData.telnetProgram,
1842 appData.icsHost, appData.icsPort);
1844 snprintf(buf, sizeof(buf), "%s %s -l %s %s %s %s",
1845 appData.remoteShell, appData.gateway,
1846 appData.remoteUser, appData.telnetProgram,
1847 appData.icsHost, appData.icsPort);
1849 return StartChildProcess(buf, "", &icsPR);
1852 } else if (appData.useTelnet) {
1853 return OpenTelnet(appData.icsHost, appData.icsPort, &icsPR);
1856 /* TCP socket interface differs somewhat between
1857 Unix and NT; handle details in the front end.
1859 return OpenTCP(appData.icsHost, appData.icsPort, &icsPR);
1864 EscapeExpand (char *p, char *q)
1865 { // [HGM] initstring: routine to shape up string arguments
1866 while(*p++ = *q++) if(p[-1] == '\\')
1868 case 'n': p[-1] = '\n'; break;
1869 case 'r': p[-1] = '\r'; break;
1870 case 't': p[-1] = '\t'; break;
1871 case '\\': p[-1] = '\\'; break;
1872 case 0: *p = 0; return;
1873 default: p[-1] = q[-1]; break;
1878 show_bytes (FILE *fp, char *buf, int count)
1881 if (*buf < 040 || *(unsigned char *) buf > 0177) {
1882 fprintf(fp, "\\%03o", *buf & 0xff);
1891 /* Returns an errno value */
1893 OutputMaybeTelnet (ProcRef pr, char *message, int count, int *outError)
1895 char buf[8192], *p, *q, *buflim;
1896 int left, newcount, outcount;
1898 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet ||
1899 *appData.gateway != NULLCHAR) {
1900 if (appData.debugMode) {
1901 fprintf(debugFP, ">ICS: ");
1902 show_bytes(debugFP, message, count);
1903 fprintf(debugFP, "\n");
1905 return OutputToProcess(pr, message, count, outError);
1908 buflim = &buf[sizeof(buf)-1]; /* allow 1 byte for expanding last char */
1915 if (appData.debugMode) {
1916 fprintf(debugFP, ">ICS: ");
1917 show_bytes(debugFP, buf, newcount);
1918 fprintf(debugFP, "\n");
1920 outcount = OutputToProcess(pr, buf, newcount, outError);
1921 if (outcount < newcount) return -1; /* to be sure */
1928 } else if (((unsigned char) *p) == TN_IAC) {
1929 *q++ = (char) TN_IAC;
1936 if (appData.debugMode) {
1937 fprintf(debugFP, ">ICS: ");
1938 show_bytes(debugFP, buf, newcount);
1939 fprintf(debugFP, "\n");
1941 outcount = OutputToProcess(pr, buf, newcount, outError);
1942 if (outcount < newcount) return -1; /* to be sure */
1947 read_from_player (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
1949 int outError, outCount;
1950 static int gotEof = 0;
1953 /* Pass data read from player on to ICS */
1956 outCount = OutputMaybeTelnet(icsPR, message, count, &outError);
1957 if (outCount < count) {
1958 DisplayFatalError(_("Error writing to ICS"), outError, 1);
1960 if(have_sent_ICS_logon == 2) {
1961 if(ini = fopen(appData.icsLogon, "w")) { // save first two lines (presumably username & password) on init script file
1962 fprintf(ini, "%s", message);
1963 have_sent_ICS_logon = 3;
1965 have_sent_ICS_logon = 1;
1966 } else if(have_sent_ICS_logon == 3) {
1967 fprintf(ini, "%s", message);
1969 have_sent_ICS_logon = 1;
1971 } else if (count < 0) {
1972 RemoveInputSource(isr);
1973 DisplayFatalError(_("Error reading from keyboard"), error, 1);
1974 } else if (gotEof++ > 0) {
1975 RemoveInputSource(isr);
1976 DisplayFatalError(_("Got end of file from keyboard"), 0, 0);
1982 { // [HGM] alive: periodically send dummy (date) command to ICS to prevent time-out
1983 if(!connectionAlive) DisplayFatalError("No response from ICS", 0, 1);
1984 connectionAlive = FALSE; // only sticks if no response to 'date' command.
1985 SendToICS("date\n");
1986 if(appData.keepAlive) ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
1989 /* added routine for printf style output to ics */
1991 ics_printf (char *format, ...)
1993 char buffer[MSG_SIZ];
1996 va_start(args, format);
1997 vsnprintf(buffer, sizeof(buffer), format, args);
1998 buffer[sizeof(buffer)-1] = '\0';
2006 int count, outCount, outError;
2008 if (icsPR == NoProc) return;
2011 outCount = OutputMaybeTelnet(icsPR, s, count, &outError);
2012 if (outCount < count) {
2013 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2017 /* This is used for sending logon scripts to the ICS. Sending
2018 without a delay causes problems when using timestamp on ICC
2019 (at least on my machine). */
2021 SendToICSDelayed (char *s, long msdelay)
2023 int count, outCount, outError;
2025 if (icsPR == NoProc) return;
2028 if (appData.debugMode) {
2029 fprintf(debugFP, ">ICS: ");
2030 show_bytes(debugFP, s, count);
2031 fprintf(debugFP, "\n");
2033 outCount = OutputToProcessDelayed(icsPR, s, count, &outError,
2035 if (outCount < count) {
2036 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2041 /* Remove all highlighting escape sequences in s
2042 Also deletes any suffix starting with '('
2045 StripHighlightAndTitle (char *s)
2047 static char retbuf[MSG_SIZ];
2050 while (*s != NULLCHAR) {
2051 while (*s == '\033') {
2052 while (*s != NULLCHAR && !isalpha(*s)) s++;
2053 if (*s != NULLCHAR) s++;
2055 while (*s != NULLCHAR && *s != '\033') {
2056 if (*s == '(' || *s == '[') {
2067 /* Remove all highlighting escape sequences in s */
2069 StripHighlight (char *s)
2071 static char retbuf[MSG_SIZ];
2074 while (*s != NULLCHAR) {
2075 while (*s == '\033') {
2076 while (*s != NULLCHAR && !isalpha(*s)) s++;
2077 if (*s != NULLCHAR) s++;
2079 while (*s != NULLCHAR && *s != '\033') {
2087 char engineVariant[MSG_SIZ];
2088 char *variantNames[] = VARIANT_NAMES;
2090 VariantName (VariantClass v)
2092 if(v == VariantUnknown || *engineVariant) return engineVariant;
2093 return variantNames[v];
2097 /* Identify a variant from the strings the chess servers use or the
2098 PGN Variant tag names we use. */
2100 StringToVariant (char *e)
2104 VariantClass v = VariantNormal;
2105 int i, found = FALSE;
2111 /* [HGM] skip over optional board-size prefixes */
2112 if( sscanf(e, "%dx%d_", &i, &i) == 2 ||
2113 sscanf(e, "%dx%d+%d_", &i, &i, &i) == 3 ) {
2114 while( *e++ != '_');
2117 if(StrCaseStr(e, "misc/")) { // [HGM] on FICS, misc/shogi is not shogi
2121 for (i=0; i<sizeof(variantNames)/sizeof(char*); i++) {
2122 if (p = StrCaseStr(e, variantNames[i])) {
2123 if(p && i >= VariantShogi && isalpha(p[strlen(variantNames[i])])) continue;
2124 v = (VariantClass) i;
2131 if ((StrCaseStr(e, "fischer") && StrCaseStr(e, "random"))
2132 || StrCaseStr(e, "wild/fr")
2133 || StrCaseStr(e, "frc") || StrCaseStr(e, "960")) {
2134 v = VariantFischeRandom;
2135 } else if ((i = 4, p = StrCaseStr(e, "wild")) ||
2136 (i = 1, p = StrCaseStr(e, "w"))) {
2138 while (*p && (isspace(*p) || *p == '(' || *p == '/')) p++;
2145 case 0: /* FICS only, actually */
2147 /* Castling legal even if K starts on d-file */
2148 v = VariantWildCastle;
2153 /* Castling illegal even if K & R happen to start in
2154 normal positions. */
2155 v = VariantNoCastle;
2168 /* Castling legal iff K & R start in normal positions */
2174 /* Special wilds for position setup; unclear what to do here */
2175 v = VariantLoadable;
2178 /* Bizarre ICC game */
2179 v = VariantTwoKings;
2182 v = VariantKriegspiel;
2188 v = VariantFischeRandom;
2191 v = VariantCrazyhouse;
2194 v = VariantBughouse;
2200 /* Not quite the same as FICS suicide! */
2201 v = VariantGiveaway;
2207 v = VariantShatranj;
2210 /* Temporary names for future ICC types. The name *will* change in
2211 the next xboard/WinBoard release after ICC defines it. */
2249 v = VariantCapablanca;
2252 v = VariantKnightmate;
2258 v = VariantCylinder;
2264 v = VariantCapaRandom;
2267 v = VariantBerolina;
2279 /* Found "wild" or "w" in the string but no number;
2280 must assume it's normal chess. */
2284 len = snprintf(buf, MSG_SIZ, _("Unknown wild type %d"), wnum);
2285 if( (len >= MSG_SIZ) && appData.debugMode )
2286 fprintf(debugFP, "StringToVariant: buffer truncated.\n");
2288 DisplayError(buf, 0);
2294 if (appData.debugMode) {
2295 fprintf(debugFP, "recognized '%s' (%d) as variant %s\n",
2296 e, wnum, VariantName(v));
2301 static int leftover_start = 0, leftover_len = 0;
2302 char star_match[STAR_MATCH_N][MSG_SIZ];
2304 /* Test whether pattern is present at &buf[*index]; if so, return TRUE,
2305 advance *index beyond it, and set leftover_start to the new value of
2306 *index; else return FALSE. If pattern contains the character '*', it
2307 matches any sequence of characters not containing '\r', '\n', or the
2308 character following the '*' (if any), and the matched sequence(s) are
2309 copied into star_match.
2312 looking_at ( char *buf, int *index, char *pattern)
2314 char *bufp = &buf[*index], *patternp = pattern;
2316 char *matchp = star_match[0];
2319 if (*patternp == NULLCHAR) {
2320 *index = leftover_start = bufp - buf;
2324 if (*bufp == NULLCHAR) return FALSE;
2325 if (*patternp == '*') {
2326 if (*bufp == *(patternp + 1)) {
2328 matchp = star_match[++star_count];
2332 } else if (*bufp == '\n' || *bufp == '\r') {
2334 if (*patternp == NULLCHAR)
2339 *matchp++ = *bufp++;
2343 if (*patternp != *bufp) return FALSE;
2350 SendToPlayer (char *data, int length)
2352 int error, outCount;
2353 outCount = OutputToProcess(NoProc, data, length, &error);
2354 if (outCount < length) {
2355 DisplayFatalError(_("Error writing to display"), error, 1);
2360 PackHolding (char packed[], char *holding)
2370 switch (runlength) {
2381 sprintf(q, "%d", runlength);
2393 /* Telnet protocol requests from the front end */
2395 TelnetRequest (unsigned char ddww, unsigned char option)
2397 unsigned char msg[3];
2398 int outCount, outError;
2400 if (*appData.icsCommPort != NULLCHAR || appData.useTelnet) return;
2402 if (appData.debugMode) {
2403 char buf1[8], buf2[8], *ddwwStr, *optionStr;
2419 snprintf(buf1,sizeof(buf1)/sizeof(buf1[0]), "%d", ddww);
2428 snprintf(buf2,sizeof(buf2)/sizeof(buf2[0]), "%d", option);
2431 fprintf(debugFP, ">%s %s ", ddwwStr, optionStr);
2436 outCount = OutputToProcess(icsPR, (char *)msg, 3, &outError);
2438 DisplayFatalError(_("Error writing to ICS"), outError, 1);
2445 if (!appData.icsActive) return;
2446 TelnetRequest(TN_DO, TN_ECHO);
2452 if (!appData.icsActive) return;
2453 TelnetRequest(TN_DONT, TN_ECHO);
2457 CopyHoldings (Board board, char *holdings, ChessSquare lowestPiece)
2459 /* put the holdings sent to us by the server on the board holdings area */
2460 int i, j, holdingsColumn, holdingsStartRow, direction, countsColumn;
2464 if(gameInfo.holdingsWidth < 2) return;
2465 if(gameInfo.variant != VariantBughouse && board[HOLDINGS_SET])
2466 return; // prevent overwriting by pre-board holdings
2468 if( (int)lowestPiece >= BlackPawn ) {
2471 holdingsStartRow = BOARD_HEIGHT-1;
2474 holdingsColumn = BOARD_WIDTH-1;
2475 countsColumn = BOARD_WIDTH-2;
2476 holdingsStartRow = 0;
2480 for(i=0; i<BOARD_HEIGHT; i++) { /* clear holdings */
2481 board[i][holdingsColumn] = EmptySquare;
2482 board[i][countsColumn] = (ChessSquare) 0;
2484 while( (p=*holdings++) != NULLCHAR ) {
2485 piece = CharToPiece( ToUpper(p) );
2486 if(piece == EmptySquare) continue;
2487 /*j = (int) piece - (int) WhitePawn;*/
2488 j = PieceToNumber(piece);
2489 if(j >= gameInfo.holdingsSize) continue; /* ignore pieces that do not fit */
2490 if(j < 0) continue; /* should not happen */
2491 piece = (ChessSquare) ( (int)piece + (int)lowestPiece );
2492 board[holdingsStartRow+j*direction][holdingsColumn] = piece;
2493 board[holdingsStartRow+j*direction][countsColumn]++;
2499 VariantSwitch (Board board, VariantClass newVariant)
2501 int newHoldingsWidth, newWidth = 8, newHeight = 8, i, j;
2502 static Board oldBoard;
2504 startedFromPositionFile = FALSE;
2505 if(gameInfo.variant == newVariant) return;
2507 /* [HGM] This routine is called each time an assignment is made to
2508 * gameInfo.variant during a game, to make sure the board sizes
2509 * are set to match the new variant. If that means adding or deleting
2510 * holdings, we shift the playing board accordingly
2511 * This kludge is needed because in ICS observe mode, we get boards
2512 * of an ongoing game without knowing the variant, and learn about the
2513 * latter only later. This can be because of the move list we requested,
2514 * in which case the game history is refilled from the beginning anyway,
2515 * but also when receiving holdings of a crazyhouse game. In the latter
2516 * case we want to add those holdings to the already received position.
2520 if (appData.debugMode) {
2521 fprintf(debugFP, "Switch board from %s to %s\n",
2522 VariantName(gameInfo.variant), VariantName(newVariant));
2523 setbuf(debugFP, NULL);
2525 shuffleOpenings = 0; /* [HGM] shuffle */
2526 gameInfo.holdingsSize = 5; /* [HGM] prepare holdings */
2530 newWidth = 9; newHeight = 9;
2531 gameInfo.holdingsSize = 7;
2532 case VariantBughouse:
2533 case VariantCrazyhouse:
2534 newHoldingsWidth = 2; break;
2538 newHoldingsWidth = 2;
2539 gameInfo.holdingsSize = 8;
2542 case VariantCapablanca:
2543 case VariantCapaRandom:
2546 newHoldingsWidth = gameInfo.holdingsSize = 0;
2549 if(newWidth != gameInfo.boardWidth ||
2550 newHeight != gameInfo.boardHeight ||
2551 newHoldingsWidth != gameInfo.holdingsWidth ) {
2553 /* shift position to new playing area, if needed */
2554 if(newHoldingsWidth > gameInfo.holdingsWidth) {
2555 for(i=0; i<BOARD_HEIGHT; i++)
2556 for(j=BOARD_RGHT-1; j>=BOARD_LEFT; j--)
2557 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2559 for(i=0; i<newHeight; i++) {
2560 board[i][0] = board[i][newWidth+2*newHoldingsWidth-1] = EmptySquare;
2561 board[i][1] = board[i][newWidth+2*newHoldingsWidth-2] = (ChessSquare) 0;
2563 } else if(newHoldingsWidth < gameInfo.holdingsWidth) {
2564 for(i=0; i<BOARD_HEIGHT; i++)
2565 for(j=BOARD_LEFT; j<BOARD_RGHT; j++)
2566 board[i][j+newHoldingsWidth-gameInfo.holdingsWidth] =
2569 board[HOLDINGS_SET] = 0;
2570 gameInfo.boardWidth = newWidth;
2571 gameInfo.boardHeight = newHeight;
2572 gameInfo.holdingsWidth = newHoldingsWidth;
2573 gameInfo.variant = newVariant;
2574 InitDrawingSizes(-2, 0);
2575 } else gameInfo.variant = newVariant;
2576 CopyBoard(oldBoard, board); // remember correctly formatted board
2577 InitPosition(FALSE); /* this sets up board[0], but also other stuff */
2578 DrawPosition(TRUE, currentMove ? boards[currentMove] : oldBoard);
2581 static int loggedOn = FALSE;
2583 /*-- Game start info cache: --*/
2585 char gs_kind[MSG_SIZ];
2586 static char player1Name[128] = "";
2587 static char player2Name[128] = "";
2588 static char cont_seq[] = "\n\\ ";
2589 static int player1Rating = -1;
2590 static int player2Rating = -1;
2591 /*----------------------------*/
2593 ColorClass curColor = ColorNormal;
2594 int suppressKibitz = 0;
2597 Boolean soughtPending = FALSE;
2598 Boolean seekGraphUp;
2599 #define MAX_SEEK_ADS 200
2601 char *seekAdList[MAX_SEEK_ADS];
2602 int ratingList[MAX_SEEK_ADS], xList[MAX_SEEK_ADS], yList[MAX_SEEK_ADS], seekNrList[MAX_SEEK_ADS], zList[MAX_SEEK_ADS];
2603 float tcList[MAX_SEEK_ADS];
2604 char colorList[MAX_SEEK_ADS];
2605 int nrOfSeekAds = 0;
2606 int minRating = 1010, maxRating = 2800;
2607 int hMargin = 10, vMargin = 20, h, w;
2608 extern int squareSize, lineGap;
2613 int x, y, color = 0, r = ratingList[i]; float tc = tcList[i];
2614 xList[i] = yList[i] = -100; // outside graph, so cannot be clicked
2615 if(r < minRating+100 && r >=0 ) r = minRating+100;
2616 if(r > maxRating) r = maxRating;
2617 if(tc < 1.f) tc = 1.f;
2618 if(tc > 95.f) tc = 95.f;
2619 x = (w-hMargin-squareSize/8-7)* log(tc)/log(95.) + hMargin;
2620 y = ((double)r - minRating)/(maxRating - minRating)
2621 * (h-vMargin-squareSize/8-1) + vMargin;
2622 if(ratingList[i] < 0) y = vMargin + squareSize/4;
2623 if(strstr(seekAdList[i], " u ")) color = 1;
2624 if(!strstr(seekAdList[i], "lightning") && // for now all wilds same color
2625 !strstr(seekAdList[i], "bullet") &&
2626 !strstr(seekAdList[i], "blitz") &&
2627 !strstr(seekAdList[i], "standard") ) color = 2;
2628 if(strstr(seekAdList[i], "(C) ")) color |= SQUARE; // plot computer seeks as squares
2629 DrawSeekDot(xList[i]=x+3*(color&~SQUARE), yList[i]=h-1-y, colorList[i]=color);
2633 PlotSingleSeekAd (int i)
2639 AddAd (char *handle, char *rating, int base, int inc, char rated, char *type, int nr, Boolean plot)
2641 char buf[MSG_SIZ], *ext = "";
2642 VariantClass v = StringToVariant(type);
2643 if(strstr(type, "wild")) {
2644 ext = type + 4; // append wild number
2645 if(v == VariantFischeRandom) type = "chess960"; else
2646 if(v == VariantLoadable) type = "setup"; else
2647 type = VariantName(v);
2649 snprintf(buf, MSG_SIZ, "%s (%s) %d %d %c %s%s", handle, rating, base, inc, rated, type, ext);
2650 if(nrOfSeekAds < MAX_SEEK_ADS-1) {
2651 if(seekAdList[nrOfSeekAds]) free(seekAdList[nrOfSeekAds]);
2652 ratingList[nrOfSeekAds] = -1; // for if seeker has no rating
2653 sscanf(rating, "%d", &ratingList[nrOfSeekAds]);
2654 tcList[nrOfSeekAds] = base + (2./3.)*inc;
2655 seekNrList[nrOfSeekAds] = nr;
2656 zList[nrOfSeekAds] = 0;
2657 seekAdList[nrOfSeekAds++] = StrSave(buf);
2658 if(plot) PlotSingleSeekAd(nrOfSeekAds-1);
2663 EraseSeekDot (int i)
2665 int x = xList[i], y = yList[i], d=squareSize/4, k;
2666 DrawSeekBackground(x-squareSize/8, y-squareSize/8, x+squareSize/8+1, y+squareSize/8+1);
2667 if(x < hMargin+d) DrawSeekAxis(hMargin, y-squareSize/8, hMargin, y+squareSize/8+1);
2668 // now replot every dot that overlapped
2669 for(k=0; k<nrOfSeekAds; k++) if(k != i) {
2670 int xx = xList[k], yy = yList[k];
2671 if(xx <= x+d && xx > x-d && yy <= y+d && yy > y-d)
2672 DrawSeekDot(xx, yy, colorList[k]);
2677 RemoveSeekAd (int nr)
2680 for(i=0; i<nrOfSeekAds; i++) if(seekNrList[i] == nr) {
2682 if(seekAdList[i]) free(seekAdList[i]);
2683 seekAdList[i] = seekAdList[--nrOfSeekAds];
2684 seekNrList[i] = seekNrList[nrOfSeekAds];
2685 ratingList[i] = ratingList[nrOfSeekAds];
2686 colorList[i] = colorList[nrOfSeekAds];
2687 tcList[i] = tcList[nrOfSeekAds];
2688 xList[i] = xList[nrOfSeekAds];
2689 yList[i] = yList[nrOfSeekAds];
2690 zList[i] = zList[nrOfSeekAds];
2691 seekAdList[nrOfSeekAds] = NULL;
2697 MatchSoughtLine (char *line)
2699 char handle[MSG_SIZ], rating[MSG_SIZ], type[MSG_SIZ];
2700 int nr, base, inc, u=0; char dummy;
2702 if(sscanf(line, "%d %s %s %d %d rated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2703 sscanf(line, "%d %s %s %s %d %d rated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7 ||
2705 (sscanf(line, "%d %s %s %d %d unrated %s", &nr, rating, handle, &base, &inc, type) == 6 ||
2706 sscanf(line, "%d %s %s %s %d %d unrated %c", &nr, rating, handle, type, &base, &inc, &dummy) == 7) ) {
2707 // match: compact and save the line
2708 AddAd(handle, rating, base, inc, u ? 'u' : 'r', type, nr, FALSE);
2718 if(!seekGraphUp) return FALSE;
2719 h = BOARD_HEIGHT * (squareSize + lineGap) + lineGap;
2720 w = BOARD_WIDTH * (squareSize + lineGap) + lineGap;
2722 DrawSeekBackground(0, 0, w, h);
2723 DrawSeekAxis(hMargin, h-1-vMargin, w-5, h-1-vMargin);
2724 DrawSeekAxis(hMargin, h-1-vMargin, hMargin, 5);
2725 for(i=0; i<4000; i+= 100) if(i>=minRating && i<maxRating) {
2726 int yy =((double)i - minRating)/(maxRating - minRating)*(h-vMargin-squareSize/8-1) + vMargin;
2728 DrawSeekAxis(hMargin-5, yy, hMargin+5*(i%500==0), yy); // rating ticks
2731 snprintf(buf, MSG_SIZ, "%d", i);
2732 DrawSeekText(buf, hMargin+squareSize/8+7, yy);
2735 DrawSeekText("unrated", hMargin+squareSize/8+7, h-1-vMargin-squareSize/4);
2736 for(i=1; i<100; i+=(i<10?1:5)) {
2737 int xx = (w-hMargin-squareSize/8-7)* log((double)i)/log(95.) + hMargin;
2738 DrawSeekAxis(xx, h-1-vMargin, xx, h-6-vMargin-3*(i%10==0)); // TC ticks
2739 if(i<=5 || (i>40 ? i%20 : i%10) == 0) {
2741 snprintf(buf, MSG_SIZ, "%d", i);
2742 DrawSeekText(buf, xx-2-3*(i>9), h-1-vMargin/2);
2745 for(i=0; i<nrOfSeekAds; i++) PlotSeekAd(i);
2750 SeekGraphClick (ClickType click, int x, int y, int moving)
2752 static int lastDown = 0, displayed = 0, lastSecond;
2753 if(y < 0) return FALSE;
2754 if(!(appData.seekGraph && appData.icsActive && loggedOn &&
2755 (gameMode == BeginningOfGame || gameMode == IcsIdle))) {
2756 if(!seekGraphUp) return FALSE;
2757 seekGraphUp = FALSE; // seek graph is up when it shouldn't be: take it down
2758 DrawPosition(TRUE, NULL);
2761 if(!seekGraphUp) { // initiate cration of seek graph by requesting seek-ad list
2762 if(click == Release || moving) return FALSE;
2764 soughtPending = TRUE;
2765 SendToICS(ics_prefix);
2766 SendToICS("sought\n"); // should this be "sought all"?
2767 } else { // issue challenge based on clicked ad
2768 int dist = 10000; int i, closest = 0, second = 0;
2769 for(i=0; i<nrOfSeekAds; i++) {
2770 int d = (x-xList[i])*(x-xList[i]) + (y-yList[i])*(y-yList[i]) + zList[i];
2771 if(d < dist) { dist = d; closest = i; }
2772 second += (d - zList[i] < 120); // count in-range ads
2773 if(click == Press && moving != 1 && zList[i]>0) zList[i] *= 0.8; // age priority
2777 second = (second > 1);
2778 if(displayed != closest || second != lastSecond) {
2779 DisplayMessage(second ? "!" : "", seekAdList[closest]);
2780 lastSecond = second; displayed = closest;
2782 if(click == Press) {
2783 if(moving == 2) zList[closest] = 100; // right-click; push to back on press
2786 } // on press 'hit', only show info
2787 if(moving == 2) return TRUE; // ignore right up-clicks on dot
2788 snprintf(buf, MSG_SIZ, "play %d\n", seekNrList[closest]);
2789 SendToICS(ics_prefix);
2791 return TRUE; // let incoming board of started game pop down the graph
2792 } else if(click == Release) { // release 'miss' is ignored
2793 zList[lastDown] = 100; // make future selection of the rejected ad more difficult
2794 if(moving == 2) { // right up-click
2795 nrOfSeekAds = 0; // refresh graph
2796 soughtPending = TRUE;
2797 SendToICS(ics_prefix);
2798 SendToICS("sought\n"); // should this be "sought all"?
2801 } else if(moving) { if(displayed >= 0) DisplayMessage("", ""); displayed = -1; return TRUE; }
2802 // press miss or release hit 'pop down' seek graph
2803 seekGraphUp = FALSE;
2804 DrawPosition(TRUE, NULL);
2810 read_from_ics (InputSourceRef isr, VOIDSTAR closure, char *data, int count, int error)
2812 #define BUF_SIZE (16*1024) /* overflowed at 8K with "inchannel 1" on FICS? */
2813 #define STARTED_NONE 0
2814 #define STARTED_MOVES 1
2815 #define STARTED_BOARD 2
2816 #define STARTED_OBSERVE 3
2817 #define STARTED_HOLDINGS 4
2818 #define STARTED_CHATTER 5
2819 #define STARTED_COMMENT 6
2820 #define STARTED_MOVES_NOHIDE 7
2822 static int started = STARTED_NONE;
2823 static char parse[20000];
2824 static int parse_pos = 0;
2825 static char buf[BUF_SIZE + 1];
2826 static int firstTime = TRUE, intfSet = FALSE;
2827 static ColorClass prevColor = ColorNormal;
2828 static int savingComment = FALSE;
2829 static int cmatch = 0; // continuation sequence match
2836 int backup; /* [DM] For zippy color lines */
2838 char talker[MSG_SIZ]; // [HGM] chat
2839 int channel, collective=0;
2841 connectionAlive = TRUE; // [HGM] alive: I think, therefore I am...
2843 if (appData.debugMode) {
2845 fprintf(debugFP, "<ICS: ");
2846 show_bytes(debugFP, data, count);
2847 fprintf(debugFP, "\n");
2851 if (appData.debugMode) { int f = forwardMostMove;
2852 fprintf(debugFP, "ics input %d, castling = %d %d %d %d %d %d\n", f,
2853 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
2854 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
2857 /* If last read ended with a partial line that we couldn't parse,
2858 prepend it to the new read and try again. */
2859 if (leftover_len > 0) {
2860 for (i=0; i<leftover_len; i++)
2861 buf[i] = buf[leftover_start + i];
2864 /* copy new characters into the buffer */
2865 bp = buf + leftover_len;
2866 buf_len=leftover_len;
2867 for (i=0; i<count; i++)
2870 if (data[i] == '\r')
2873 // join lines split by ICS?
2874 if (!appData.noJoin)
2877 Joining just consists of finding matches against the
2878 continuation sequence, and discarding that sequence
2879 if found instead of copying it. So, until a match
2880 fails, there's nothing to do since it might be the
2881 complete sequence, and thus, something we don't want
2884 if (data[i] == cont_seq[cmatch])
2887 if (cmatch == strlen(cont_seq))
2889 cmatch = 0; // complete match. just reset the counter
2892 it's possible for the ICS to not include the space
2893 at the end of the last word, making our [correct]
2894 join operation fuse two separate words. the server
2895 does this when the space occurs at the width setting.
2897 if (!buf_len || buf[buf_len-1] != ' ')
2908 match failed, so we have to copy what matched before
2909 falling through and copying this character. In reality,
2910 this will only ever be just the newline character, but
2911 it doesn't hurt to be precise.
2913 strncpy(bp, cont_seq, cmatch);
2925 buf[buf_len] = NULLCHAR;
2926 // next_out = leftover_len; // [HGM] should we set this to 0, and not print it in advance?
2931 while (i < buf_len) {
2932 /* Deal with part of the TELNET option negotiation
2933 protocol. We refuse to do anything beyond the
2934 defaults, except that we allow the WILL ECHO option,
2935 which ICS uses to turn off password echoing when we are
2936 directly connected to it. We reject this option
2937 if localLineEditing mode is on (always on in xboard)
2938 and we are talking to port 23, which might be a real
2939 telnet server that will try to keep WILL ECHO on permanently.
2941 if (buf_len - i >= 3 && (unsigned char) buf[i] == TN_IAC) {
2942 static int remoteEchoOption = FALSE; /* telnet ECHO option */
2943 unsigned char option;
2945 switch ((unsigned char) buf[++i]) {
2947 if (appData.debugMode)
2948 fprintf(debugFP, "\n<WILL ");
2949 switch (option = (unsigned char) buf[++i]) {
2951 if (appData.debugMode)
2952 fprintf(debugFP, "ECHO ");
2953 /* Reply only if this is a change, according
2954 to the protocol rules. */
2955 if (remoteEchoOption) break;
2956 if (appData.localLineEditing &&
2957 atoi(appData.icsPort) == TN_PORT) {
2958 TelnetRequest(TN_DONT, TN_ECHO);
2961 TelnetRequest(TN_DO, TN_ECHO);
2962 remoteEchoOption = TRUE;
2966 if (appData.debugMode)
2967 fprintf(debugFP, "%d ", option);
2968 /* Whatever this is, we don't want it. */
2969 TelnetRequest(TN_DONT, option);
2974 if (appData.debugMode)
2975 fprintf(debugFP, "\n<WONT ");
2976 switch (option = (unsigned char) buf[++i]) {
2978 if (appData.debugMode)
2979 fprintf(debugFP, "ECHO ");
2980 /* Reply only if this is a change, according
2981 to the protocol rules. */
2982 if (!remoteEchoOption) break;
2984 TelnetRequest(TN_DONT, TN_ECHO);
2985 remoteEchoOption = FALSE;
2988 if (appData.debugMode)
2989 fprintf(debugFP, "%d ", (unsigned char) option);
2990 /* Whatever this is, it must already be turned
2991 off, because we never agree to turn on
2992 anything non-default, so according to the
2993 protocol rules, we don't reply. */
2998 if (appData.debugMode)
2999 fprintf(debugFP, "\n<DO ");
3000 switch (option = (unsigned char) buf[++i]) {
3002 /* Whatever this is, we refuse to do it. */
3003 if (appData.debugMode)
3004 fprintf(debugFP, "%d ", option);
3005 TelnetRequest(TN_WONT, option);
3010 if (appData.debugMode)
3011 fprintf(debugFP, "\n<DONT ");
3012 switch (option = (unsigned char) buf[++i]) {
3014 if (appData.debugMode)
3015 fprintf(debugFP, "%d ", option);
3016 /* Whatever this is, we are already not doing
3017 it, because we never agree to do anything
3018 non-default, so according to the protocol
3019 rules, we don't reply. */
3024 if (appData.debugMode)
3025 fprintf(debugFP, "\n<IAC ");
3026 /* Doubled IAC; pass it through */
3030 if (appData.debugMode)
3031 fprintf(debugFP, "\n<%d ", (unsigned char) buf[i]);
3032 /* Drop all other telnet commands on the floor */
3035 if (oldi > next_out)
3036 SendToPlayer(&buf[next_out], oldi - next_out);
3042 /* OK, this at least will *usually* work */
3043 if (!loggedOn && looking_at(buf, &i, "ics%")) {
3047 if (loggedOn && !intfSet) {
3048 if (ics_type == ICS_ICC) {
3049 snprintf(str, MSG_SIZ,
3050 "/set-quietly interface %s\n/set-quietly style 12\n",
3052 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3053 strcat(str, "/set-2 51 1\n/set seek 1\n");
3054 } else if (ics_type == ICS_CHESSNET) {
3055 snprintf(str, MSG_SIZ, "/style 12\n");
3057 safeStrCpy(str, "alias $ @\n$set interface ", sizeof(str)/sizeof(str[0]));
3058 strcat(str, programVersion);
3059 strcat(str, "\n$iset startpos 1\n$iset ms 1\n");
3060 if(appData.seekGraph && appData.autoRefresh) // [HGM] seekgraph
3061 strcat(str, "$iset seekremove 1\n$set seek 1\n");
3063 strcat(str, "$iset nohighlight 1\n");
3065 strcat(str, "$iset lock 1\n$style 12\n");
3068 NotifyFrontendLogin();
3072 if (started == STARTED_COMMENT) {
3073 /* Accumulate characters in comment */
3074 parse[parse_pos++] = buf[i];
3075 if (buf[i] == '\n') {
3076 parse[parse_pos] = NULLCHAR;
3077 if(chattingPartner>=0) {
3079 snprintf(mess, MSG_SIZ, "%s%s", talker, parse);
3080 OutputChatMessage(chattingPartner, mess);
3081 if(collective == 1) { // broadcasted talk also goes to private chatbox of talker
3083 talker[strlen(talker+1)-1] = NULLCHAR; // strip closing delimiter
3084 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3085 snprintf(mess, MSG_SIZ, "%s: %s", chatPartner[chattingPartner], parse);
3086 OutputChatMessage(p, mess);
3090 chattingPartner = -1;
3091 if(collective != 3) next_out = i+1; // [HGM] suppress printing in ICS window
3094 if(!suppressKibitz) // [HGM] kibitz
3095 AppendComment(forwardMostMove, StripHighlight(parse), TRUE);
3096 else { // [HGM kibitz: divert memorized engine kibitz to engine-output window
3097 int nrDigit = 0, nrAlph = 0, j;
3098 if(parse_pos > MSG_SIZ - 30) // defuse unreasonably long input
3099 { parse_pos = MSG_SIZ-30; parse[parse_pos - 1] = '\n'; }
3100 parse[parse_pos] = NULLCHAR;
3101 // try to be smart: if it does not look like search info, it should go to
3102 // ICS interaction window after all, not to engine-output window.
3103 for(j=0; j<parse_pos; j++) { // count letters and digits
3104 nrDigit += (parse[j] >= '0' && parse[j] <= '9');
3105 nrAlph += (parse[j] >= 'a' && parse[j] <= 'z');
3106 nrAlph += (parse[j] >= 'A' && parse[j] <= 'Z');
3108 if(nrAlph < 9*nrDigit) { // if more than 10% digit we assume search info
3109 int depth=0; float score;
3110 if(sscanf(parse, "!!! %f/%d", &score, &depth) == 2 && depth>0) {
3111 // [HGM] kibitz: save kibitzed opponent info for PGN and eval graph
3112 pvInfoList[forwardMostMove-1].depth = depth;
3113 pvInfoList[forwardMostMove-1].score = 100*score;
3115 OutputKibitz(suppressKibitz, parse);
3118 if(gameMode == IcsObserving) // restore original ICS messages
3119 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3120 snprintf(tmp, MSG_SIZ, "%s kibitzes: %s", star_match[0], parse);
3122 /* TRANSLATORS: to 'kibitz' is to send a message to all players and the game observers */
3123 snprintf(tmp, MSG_SIZ, _("your opponent kibitzes: %s"), parse);
3124 SendToPlayer(tmp, strlen(tmp));
3126 next_out = i+1; // [HGM] suppress printing in ICS window
3128 started = STARTED_NONE;
3130 /* Don't match patterns against characters in comment */
3135 if (started == STARTED_CHATTER) {
3136 if (buf[i] != '\n') {
3137 /* Don't match patterns against characters in chatter */
3141 started = STARTED_NONE;
3142 if(suppressKibitz) next_out = i+1;
3145 /* Kludge to deal with rcmd protocol */
3146 if (firstTime && looking_at(buf, &i, "\001*")) {
3147 DisplayFatalError(&buf[1], 0, 1);
3153 if (!loggedOn && looking_at(buf, &i, "chessclub.com")) {
3156 if (appData.debugMode)
3157 fprintf(debugFP, "ics_type %d\n", ics_type);
3160 if (!loggedOn && looking_at(buf, &i, "freechess.org")) {
3161 ics_type = ICS_FICS;
3163 if (appData.debugMode)
3164 fprintf(debugFP, "ics_type %d\n", ics_type);
3167 if (!loggedOn && looking_at(buf, &i, "chess.net")) {
3168 ics_type = ICS_CHESSNET;
3170 if (appData.debugMode)
3171 fprintf(debugFP, "ics_type %d\n", ics_type);
3176 (looking_at(buf, &i, "\"*\" is *a registered name") ||
3177 looking_at(buf, &i, "Logging you in as \"*\"") ||
3178 looking_at(buf, &i, "will be \"*\""))) {
3179 safeStrCpy(ics_handle, star_match[0], sizeof(ics_handle)/sizeof(ics_handle[0]));
3183 if (loggedOn && !have_set_title && ics_handle[0] != NULLCHAR) {
3185 snprintf(buf, sizeof(buf), "%s@%s", ics_handle, appData.icsHost);
3186 DisplayIcsInteractionTitle(buf);
3187 have_set_title = TRUE;
3190 /* skip finger notes */
3191 if (started == STARTED_NONE &&
3192 ((buf[i] == ' ' && isdigit(buf[i+1])) ||
3193 (buf[i] == '1' && buf[i+1] == '0')) &&
3194 buf[i+2] == ':' && buf[i+3] == ' ') {
3195 started = STARTED_CHATTER;
3201 // [HGM] seekgraph: recognize sought lines and end-of-sought message
3202 if(appData.seekGraph) {
3203 if(soughtPending && MatchSoughtLine(buf+i)) {
3204 i = strstr(buf+i, "rated") - buf;
3205 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3206 next_out = leftover_start = i;
3207 started = STARTED_CHATTER;
3208 suppressKibitz = TRUE;
3211 if((gameMode == IcsIdle || gameMode == BeginningOfGame)
3212 && looking_at(buf, &i, "* ads displayed")) {
3213 soughtPending = FALSE;
3218 if(appData.autoRefresh) {
3219 if(looking_at(buf, &i, "* (*) seeking * * * * *\"play *\" to respond)\n")) {
3220 int s = (ics_type == ICS_ICC); // ICC format differs
3222 AddAd(star_match[0], star_match[1], atoi(star_match[2+s]), atoi(star_match[3+s]),
3223 star_match[4+s][0], star_match[5-3*s], atoi(star_match[7]), TRUE);
3224 looking_at(buf, &i, "*% "); // eat prompt
3225 if(oldi > 0 && buf[oldi-1] == '\n') oldi--; // suppress preceding LF, if any
3226 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3227 next_out = i; // suppress
3230 if(looking_at(buf, &i, "\nAds removed: *\n") || looking_at(buf, &i, "\031(51 * *\031)")) {
3231 char *p = star_match[0];
3233 if(seekGraphUp) RemoveSeekAd(atoi(p));
3234 while(*p && *p++ != ' '); // next
3236 looking_at(buf, &i, "*% "); // eat prompt
3237 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3244 /* skip formula vars */
3245 if (started == STARTED_NONE &&
3246 buf[i] == 'f' && isdigit(buf[i+1]) && buf[i+2] == ':') {
3247 started = STARTED_CHATTER;
3252 // [HGM] kibitz: try to recognize opponent engine-score kibitzes, to divert them to engine-output window
3253 if (appData.autoKibitz && started == STARTED_NONE &&
3254 !appData.icsEngineAnalyze && // [HGM] [DM] ICS analyze
3255 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack || gameMode == IcsObserving)) {
3256 if((looking_at(buf, &i, "\n* kibitzes: ") || looking_at(buf, &i, "\n* whispers: ") ||
3257 looking_at(buf, &i, "* kibitzes: ") || looking_at(buf, &i, "* whispers: ")) &&
3258 (StrStr(star_match[0], gameInfo.white) == star_match[0] ||
3259 StrStr(star_match[0], gameInfo.black) == star_match[0] )) { // kibitz of self or opponent
3260 suppressKibitz = TRUE;
3261 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3263 if((StrStr(star_match[0], gameInfo.white) == star_match[0]
3264 && (gameMode == IcsPlayingWhite)) ||
3265 (StrStr(star_match[0], gameInfo.black) == star_match[0]
3266 && (gameMode == IcsPlayingBlack)) ) // opponent kibitz
3267 started = STARTED_CHATTER; // own kibitz we simply discard
3269 started = STARTED_COMMENT; // make sure it will be collected in parse[]
3270 parse_pos = 0; parse[0] = NULLCHAR;
3271 savingComment = TRUE;
3272 suppressKibitz = gameMode != IcsObserving ? 2 :
3273 (StrStr(star_match[0], gameInfo.white) == NULL) + 1;
3277 if((looking_at(buf, &i, "\nkibitzed to *\n") || looking_at(buf, &i, "kibitzed to *\n") ||
3278 looking_at(buf, &i, "\n(kibitzed to *\n") || looking_at(buf, &i, "(kibitzed to *\n"))
3279 && atoi(star_match[0])) {
3280 // suppress the acknowledgements of our own autoKibitz
3282 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3283 if(p = strchr(star_match[0], ' ')) p[1] = NULLCHAR; // clip off "players)" on FICS
3284 SendToPlayer(star_match[0], strlen(star_match[0]));
3285 if(looking_at(buf, &i, "*% ")) // eat prompt
3286 suppressKibitz = FALSE;
3290 } // [HGM] kibitz: end of patch
3292 if(looking_at(buf, &i, "* rating adjustment: * --> *\n")) continue;
3294 // [HGM] chat: intercept tells by users for which we have an open chat window
3296 if(started == STARTED_NONE && (looking_at(buf, &i, "* tells you:") || looking_at(buf, &i, "* says:") ||
3297 looking_at(buf, &i, "* whispers:") ||
3298 looking_at(buf, &i, "* kibitzes:") ||
3299 looking_at(buf, &i, "* shouts:") ||
3300 looking_at(buf, &i, "* c-shouts:") ||
3301 looking_at(buf, &i, "--> * ") ||
3302 looking_at(buf, &i, "*(*):") && (sscanf(star_match[1], "%d", &channel),1) ||
3303 looking_at(buf, &i, "*(*)(*):") && (sscanf(star_match[2], "%d", &channel),1) ||
3304 looking_at(buf, &i, "*(*)(*)(*):") && (sscanf(star_match[3], "%d", &channel),1) ||
3305 looking_at(buf, &i, "*(*)(*)(*)(*):") && sscanf(star_match[4], "%d", &channel) == 1 )) {
3307 sscanf(star_match[0], "%[^(]", talker+1); // strip (C) or (U) off ICS handle
3308 chattingPartner = -1; collective = 0;
3310 if(channel >= 0) // channel broadcast; look if there is a chatbox for this channel
3311 for(p=0; p<MAX_CHAT; p++) {
3313 if(chatPartner[p][0] >= '0' && chatPartner[p][0] <= '9' && channel == atoi(chatPartner[p])) {
3314 talker[0] = '['; strcat(talker, "] ");
3315 Colorize((channel == 1 ? ColorChannel1 : ColorChannel), FALSE);
3316 chattingPartner = p; break;
3319 if(buf[i-3] == 'e') // kibitz; look if there is a KIBITZ chatbox
3320 for(p=0; p<MAX_CHAT; p++) {
3322 if(!strcmp("kibitzes", chatPartner[p])) {
3323 talker[0] = '['; strcat(talker, "] ");
3324 chattingPartner = p; break;
3327 if(buf[i-3] == 'r') // whisper; look if there is a WHISPER chatbox
3328 for(p=0; p<MAX_CHAT; p++) {
3330 if(!strcmp("whispers", chatPartner[p])) {
3331 talker[0] = '['; strcat(talker, "] ");
3332 chattingPartner = p; break;
3335 if(buf[i-3] == 't' || buf[oldi+2] == '>') {// shout, c-shout or it; look if there is a 'shouts' chatbox
3336 if(buf[i-8] == '-' && buf[i-3] == 't')
3337 for(p=0; p<MAX_CHAT; p++) { // c-shout; check if dedicatesd c-shout box exists
3339 if(!strcmp("c-shouts", chatPartner[p])) {
3340 talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE);
3341 chattingPartner = p; break;
3344 if(chattingPartner < 0)
3345 for(p=0; p<MAX_CHAT; p++) {
3347 if(!strcmp("shouts", chatPartner[p])) {
3348 if(buf[oldi+2] == '>') { talker[0] = '<'; strcat(talker, "> "); Colorize(ColorShout, FALSE); }
3349 else if(buf[i-8] == '-') { talker[0] = '('; strcat(talker, ") "); Colorize(ColorSShout, FALSE); }
3350 else { talker[0] = '['; strcat(talker, "] "); Colorize(ColorShout, FALSE); }
3351 chattingPartner = p; break;
3355 if(chattingPartner<0) // if not, look if there is a chatbox for this indivdual
3356 for(p=0; p<MAX_CHAT; p++) if(!StrCaseCmp(talker+1, chatPartner[p])) {
3358 Colorize(ColorTell, FALSE);
3359 if(collective) safeStrCpy(talker, "broadcasts: ", MSG_SIZ);
3361 chattingPartner = p; break;
3363 if(chattingPartner<0) i = oldi, safeStrCpy(lastTalker, talker+1, MSG_SIZ); else {
3364 Colorize(curColor, TRUE); // undo the bogus colorations we just made to trigger the souds
3365 started = STARTED_COMMENT;
3366 parse_pos = 0; parse[0] = NULLCHAR;
3367 savingComment = 3 + chattingPartner; // counts as TRUE
3368 if(collective == 3) i = oldi; else {
3369 suppressKibitz = TRUE;
3370 if(oldi > 0 && buf[oldi-1] == '\n') oldi--;
3371 if (oldi > next_out) SendToPlayer(&buf[next_out], oldi - next_out);
3375 } // [HGM] chat: end of patch
3378 if (appData.zippyTalk || appData.zippyPlay) {
3379 /* [DM] Backup address for color zippy lines */
3381 if (loggedOn == TRUE)
3382 if (ZippyControl(buf, &backup) || ZippyConverse(buf, &backup) ||
3383 (appData.zippyPlay && ZippyMatch(buf, &backup)));
3385 } // [DM] 'else { ' deleted
3387 /* Regular tells and says */
3388 (tkind = 1, looking_at(buf, &i, "* tells you: ")) ||
3389 looking_at(buf, &i, "* (your partner) tells you: ") ||
3390 looking_at(buf, &i, "* says: ") ||
3391 /* Don't color "message" or "messages" output */
3392 (tkind = 5, looking_at(buf, &i, "*. * (*:*): ")) ||
3393 looking_at(buf, &i, "*. * at *:*: ") ||
3394 looking_at(buf, &i, "--* (*:*): ") ||
3395 /* Message notifications (same color as tells) */
3396 looking_at(buf, &i, "* has left a message ") ||
3397 looking_at(buf, &i, "* just sent you a message:\n") ||
3398 /* Whispers and kibitzes */
3399 (tkind = 2, looking_at(buf, &i, "* whispers: ")) ||
3400 looking_at(buf, &i, "* kibitzes: ") ||
3402 (tkind = 3, looking_at(buf, &i, "*(*: "))) {
3404 if (tkind == 1 && strchr(star_match[0], ':')) {
3405 /* Avoid "tells you:" spoofs in channels */
3408 if (star_match[0][0] == NULLCHAR ||
3409 strchr(star_match[0], ' ') ||
3410 (tkind == 3 && strchr(star_match[1], ' '))) {
3411 /* Reject bogus matches */
3414 if (appData.colorize) {
3415 if (oldi > next_out) {
3416 SendToPlayer(&buf[next_out], oldi - next_out);
3421 Colorize(ColorTell, FALSE);
3422 curColor = ColorTell;
3425 Colorize(ColorKibitz, FALSE);
3426 curColor = ColorKibitz;
3429 p = strrchr(star_match[1], '(');
3436 Colorize(ColorChannel1, FALSE);
3437 curColor = ColorChannel1;
3439 Colorize(ColorChannel, FALSE);
3440 curColor = ColorChannel;
3444 curColor = ColorNormal;
3448 if (started == STARTED_NONE && appData.autoComment &&
3449 (gameMode == IcsObserving ||
3450 gameMode == IcsPlayingWhite ||
3451 gameMode == IcsPlayingBlack)) {
3452 parse_pos = i - oldi;
3453 memcpy(parse, &buf[oldi], parse_pos);
3454 parse[parse_pos] = NULLCHAR;
3455 started = STARTED_COMMENT;
3456 savingComment = TRUE;
3457 } else if(collective != 3) {
3458 started = STARTED_CHATTER;
3459 savingComment = FALSE;
3466 if (looking_at(buf, &i, "* s-shouts: ") ||
3467 looking_at(buf, &i, "* c-shouts: ")) {
3468 if (appData.colorize) {
3469 if (oldi > next_out) {
3470 SendToPlayer(&buf[next_out], oldi - next_out);
3473 Colorize(ColorSShout, FALSE);
3474 curColor = ColorSShout;
3477 started = STARTED_CHATTER;
3481 if (looking_at(buf, &i, "--->")) {
3486 if (looking_at(buf, &i, "* shouts: ") ||
3487 looking_at(buf, &i, "--> ")) {
3488 if (appData.colorize) {
3489 if (oldi > next_out) {
3490 SendToPlayer(&buf[next_out], oldi - next_out);
3493 Colorize(ColorShout, FALSE);
3494 curColor = ColorShout;
3497 started = STARTED_CHATTER;
3501 if (looking_at( buf, &i, "Challenge:")) {
3502 if (appData.colorize) {
3503 if (oldi > next_out) {
3504 SendToPlayer(&buf[next_out], oldi - next_out);
3507 Colorize(ColorChallenge, FALSE);
3508 curColor = ColorChallenge;
3514 if (looking_at(buf, &i, "* offers you") ||
3515 looking_at(buf, &i, "* offers to be") ||
3516 looking_at(buf, &i, "* would like to") ||
3517 looking_at(buf, &i, "* requests to") ||
3518 looking_at(buf, &i, "Your opponent offers") ||
3519 looking_at(buf, &i, "Your opponent requests")) {
3521 if (appData.colorize) {
3522 if (oldi > next_out) {
3523 SendToPlayer(&buf[next_out], oldi - next_out);
3526 Colorize(ColorRequest, FALSE);
3527 curColor = ColorRequest;
3532 if (looking_at(buf, &i, "* (*) seeking")) {
3533 if (appData.colorize) {
3534 if (oldi > next_out) {
3535 SendToPlayer(&buf[next_out], oldi - next_out);
3538 Colorize(ColorSeek, FALSE);
3539 curColor = ColorSeek;
3544 if(i < backup) { i = backup; continue; } // [HGM] for if ZippyControl matches, but the colorie code doesn't
3546 if (looking_at(buf, &i, "\\ ")) {
3547 if (prevColor != ColorNormal) {
3548 if (oldi > next_out) {
3549 SendToPlayer(&buf[next_out], oldi - next_out);
3552 Colorize(prevColor, TRUE);
3553 curColor = prevColor;
3555 if (savingComment) {
3556 parse_pos = i - oldi;
3557 memcpy(parse, &buf[oldi], parse_pos);
3558 parse[parse_pos] = NULLCHAR;
3559 started = STARTED_COMMENT;
3560 if(savingComment >= 3) // [HGM] chat: continuation of line for chat box
3561 chattingPartner = savingComment - 3; // kludge to remember the box
3563 started = STARTED_CHATTER;
3568 if (looking_at(buf, &i, "Black Strength :") ||
3569 looking_at(buf, &i, "<<< style 10 board >>>") ||
3570 looking_at(buf, &i, "<10>") ||
3571 looking_at(buf, &i, "#@#")) {
3572 /* Wrong board style */
3574 SendToICS(ics_prefix);
3575 SendToICS("set style 12\n");
3576 SendToICS(ics_prefix);
3577 SendToICS("refresh\n");
3581 if (looking_at(buf, &i, "login:")) {
3582 if (!have_sent_ICS_logon) {
3584 have_sent_ICS_logon = 1;
3585 else // no init script was found
3586 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // flag that we should capture username + password
3587 } else { // we have sent (or created) the InitScript, but apparently the ICS rejected it
3588 have_sent_ICS_logon = (appData.autoCreateLogon ? 2 : 1); // request creation of a new script
3593 if (ics_getting_history != H_GETTING_MOVES /*smpos kludge*/ &&
3594 (looking_at(buf, &i, "\n<12> ") ||
3595 looking_at(buf, &i, "<12> "))) {
3597 if (oldi > next_out) {
3598 SendToPlayer(&buf[next_out], oldi - next_out);
3601 started = STARTED_BOARD;
3606 if ((started == STARTED_NONE && looking_at(buf, &i, "\n<b1> ")) ||
3607 looking_at(buf, &i, "<b1> ")) {
3608 if (oldi > next_out) {
3609 SendToPlayer(&buf[next_out], oldi - next_out);
3612 started = STARTED_HOLDINGS;
3617 if (looking_at(buf, &i, "* *vs. * *--- *")) {
3619 /* Header for a move list -- first line */
3621 switch (ics_getting_history) {
3625 case BeginningOfGame:
3626 /* User typed "moves" or "oldmoves" while we
3627 were idle. Pretend we asked for these
3628 moves and soak them up so user can step
3629 through them and/or save them.
3632 gameMode = IcsObserving;
3635 ics_getting_history = H_GOT_UNREQ_HEADER;
3637 case EditGame: /*?*/
3638 case EditPosition: /*?*/
3639 /* Should above feature work in these modes too? */
3640 /* For now it doesn't */
3641 ics_getting_history = H_GOT_UNWANTED_HEADER;
3644 ics_getting_history = H_GOT_UNWANTED_HEADER;
3649 /* Is this the right one? */
3650 if (gameInfo.white && gameInfo.black &&
3651 strcmp(gameInfo.white, star_match[0]) == 0 &&
3652 strcmp(gameInfo.black, star_match[2]) == 0) {
3654 ics_getting_history = H_GOT_REQ_HEADER;
3657 case H_GOT_REQ_HEADER:
3658 case H_GOT_UNREQ_HEADER:
3659 case H_GOT_UNWANTED_HEADER:
3660 case H_GETTING_MOVES:
3661 /* Should not happen */
3662 DisplayError(_("Error gathering move list: two headers"), 0);
3663 ics_getting_history = H_FALSE;
3667 /* Save player ratings into gameInfo if needed */
3668 if ((ics_getting_history == H_GOT_REQ_HEADER ||
3669 ics_getting_history == H_GOT_UNREQ_HEADER) &&
3670 (gameInfo.whiteRating == -1 ||
3671 gameInfo.blackRating == -1)) {
3673 gameInfo.whiteRating = string_to_rating(star_match[1]);
3674 gameInfo.blackRating = string_to_rating(star_match[3]);
3675 if (appData.debugMode)
3676 fprintf(debugFP, "Ratings from header: W %d, B %d\n",
3677 gameInfo.whiteRating, gameInfo.blackRating);
3682 if (looking_at(buf, &i,
3683 "* * match, initial time: * minute*, increment: * second")) {
3684 /* Header for a move list -- second line */
3685 /* Initial board will follow if this is a wild game */
3686 if (gameInfo.event != NULL) free(gameInfo.event);
3687 snprintf(str, MSG_SIZ, "ICS %s %s match", star_match[0], star_match[1]);
3688 gameInfo.event = StrSave(str);
3689 /* [HGM] we switched variant. Translate boards if needed. */
3690 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event));
3694 if (looking_at(buf, &i, "Move ")) {
3695 /* Beginning of a move list */
3696 switch (ics_getting_history) {
3698 /* Normally should not happen */
3699 /* Maybe user hit reset while we were parsing */
3702 /* Happens if we are ignoring a move list that is not
3703 * the one we just requested. Common if the user
3704 * tries to observe two games without turning off
3707 case H_GETTING_MOVES:
3708 /* Should not happen */
3709 DisplayError(_("Error gathering move list: nested"), 0);
3710 ics_getting_history = H_FALSE;
3712 case H_GOT_REQ_HEADER:
3713 ics_getting_history = H_GETTING_MOVES;
3714 started = STARTED_MOVES;
3716 if (oldi > next_out) {
3717 SendToPlayer(&buf[next_out], oldi - next_out);
3720 case H_GOT_UNREQ_HEADER:
3721 ics_getting_history = H_GETTING_MOVES;
3722 started = STARTED_MOVES_NOHIDE;
3725 case H_GOT_UNWANTED_HEADER:
3726 ics_getting_history = H_FALSE;
3732 if (looking_at(buf, &i, "% ") ||
3733 ((started == STARTED_MOVES || started == STARTED_MOVES_NOHIDE)
3734 && looking_at(buf, &i, "}*"))) { char *bookHit = NULL; // [HGM] book
3735 if(soughtPending && nrOfSeekAds) { // [HGM] seekgraph: on ICC sought-list has no termination line
3736 soughtPending = FALSE;
3740 if(suppressKibitz) next_out = i;
3741 savingComment = FALSE;
3745 case STARTED_MOVES_NOHIDE:
3746 memcpy(&parse[parse_pos], &buf[oldi], i - oldi);
3747 parse[parse_pos + i - oldi] = NULLCHAR;
3748 ParseGameHistory(parse);
3750 if (appData.zippyPlay && first.initDone) {
3751 FeedMovesToProgram(&first, forwardMostMove);
3752 if (gameMode == IcsPlayingWhite) {
3753 if (WhiteOnMove(forwardMostMove)) {
3754 if (first.sendTime) {
3755 if (first.useColors) {
3756 SendToProgram("black\n", &first);
3758 SendTimeRemaining(&first, TRUE);
3760 if (first.useColors) {
3761 SendToProgram("white\n", &first); // [HGM] book: made sending of "go\n" book dependent
3763 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: probe book for initial pos
3764 first.maybeThinking = TRUE;
3766 if (first.usePlayother) {
3767 if (first.sendTime) {
3768 SendTimeRemaining(&first, TRUE);
3770 SendToProgram("playother\n", &first);
3776 } else if (gameMode == IcsPlayingBlack) {
3777 if (!WhiteOnMove(forwardMostMove)) {
3778 if (first.sendTime) {
3779 if (first.useColors) {
3780 SendToProgram("white\n", &first);
3782 SendTimeRemaining(&first, FALSE);
3784 if (first.useColors) {
3785 SendToProgram("black\n", &first);
3787 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE);
3788 first.maybeThinking = TRUE;
3790 if (first.usePlayother) {
3791 if (first.sendTime) {
3792 SendTimeRemaining(&first, FALSE);
3794 SendToProgram("playother\n", &first);
3803 if (gameMode == IcsObserving && ics_gamenum == -1) {
3804 /* Moves came from oldmoves or moves command
3805 while we weren't doing anything else.
3807 currentMove = forwardMostMove;
3808 ClearHighlights();/*!!could figure this out*/
3809 flipView = appData.flipView;
3810 DrawPosition(TRUE, boards[currentMove]);
3811 DisplayBothClocks();
3812 snprintf(str, MSG_SIZ, "%s %s %s",
3813 gameInfo.white, _("vs."), gameInfo.black);
3817 /* Moves were history of an active game */
3818 if (gameInfo.resultDetails != NULL) {
3819 free(gameInfo.resultDetails);
3820 gameInfo.resultDetails = NULL;
3823 HistorySet(parseList, backwardMostMove,
3824 forwardMostMove, currentMove-1);
3825 DisplayMove(currentMove - 1);
3826 if (started == STARTED_MOVES) next_out = i;
3827 started = STARTED_NONE;
3828 ics_getting_history = H_FALSE;
3831 case STARTED_OBSERVE:
3832 started = STARTED_NONE;
3833 SendToICS(ics_prefix);
3834 SendToICS("refresh\n");
3840 if(bookHit) { // [HGM] book: simulate book reply
3841 static char bookMove[MSG_SIZ]; // a bit generous?
3843 programStats.nodes = programStats.depth = programStats.time =
3844 programStats.score = programStats.got_only_move = 0;
3845 sprintf(programStats.movelist, "%s (xbook)", bookHit);
3847 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
3848 strcat(bookMove, bookHit);
3849 HandleMachineMove(bookMove, &first);
3854 if ((started == STARTED_MOVES || started == STARTED_BOARD ||
3855 started == STARTED_HOLDINGS ||
3856 started == STARTED_MOVES_NOHIDE) && i >= leftover_len) {
3857 /* Accumulate characters in move list or board */
3858 parse[parse_pos++] = buf[i];
3861 /* Start of game messages. Mostly we detect start of game
3862 when the first board image arrives. On some versions
3863 of the ICS, though, we need to do a "refresh" after starting
3864 to observe in order to get the current board right away. */
3865 if (looking_at(buf, &i, "Adding game * to observation list")) {
3866 started = STARTED_OBSERVE;
3870 /* Handle auto-observe */
3871 if (appData.autoObserve &&
3872 (gameMode == IcsIdle || gameMode == BeginningOfGame) &&
3873 looking_at(buf, &i, "Game notification: * (*) vs. * (*)")) {
3875 /* Choose the player that was highlighted, if any. */
3876 if (star_match[0][0] == '\033' ||
3877 star_match[1][0] != '\033') {
3878 player = star_match[0];
3880 player = star_match[2];
3882 snprintf(str, MSG_SIZ, "%sobserve %s\n",
3883 ics_prefix, StripHighlightAndTitle(player));
3886 /* Save ratings from notify string */
3887 safeStrCpy(player1Name, star_match[0], sizeof(player1Name)/sizeof(player1Name[0]));
3888 player1Rating = string_to_rating(star_match[1]);
3889 safeStrCpy(player2Name, star_match[2], sizeof(player2Name)/sizeof(player2Name[0]));
3890 player2Rating = string_to_rating(star_match[3]);
3892 if (appData.debugMode)
3894 "Ratings from 'Game notification:' %s %d, %s %d\n",
3895 player1Name, player1Rating,
3896 player2Name, player2Rating);
3901 /* Deal with automatic examine mode after a game,
3902 and with IcsObserving -> IcsExamining transition */
3903 if (looking_at(buf, &i, "Entering examine mode for game *") ||
3904 looking_at(buf, &i, "has made you an examiner of game *")) {
3906 int gamenum = atoi(star_match[0]);
3907 if ((gameMode == IcsIdle || gameMode == IcsObserving) &&
3908 gamenum == ics_gamenum) {
3909 /* We were already playing or observing this game;
3910 no need to refetch history */
3911 gameMode = IcsExamining;
3913 pauseExamForwardMostMove = forwardMostMove;
3914 } else if (currentMove < forwardMostMove) {
3915 ForwardInner(forwardMostMove);
3918 /* I don't think this case really can happen */
3919 SendToICS(ics_prefix);
3920 SendToICS("refresh\n");
3925 /* Error messages */
3926 // if (ics_user_moved) {
3927 if (1) { // [HGM] old way ignored error after move type in; ics_user_moved is not set then!
3928 if (looking_at(buf, &i, "Illegal move") ||
3929 looking_at(buf, &i, "Not a legal move") ||
3930 looking_at(buf, &i, "Your king is in check") ||
3931 looking_at(buf, &i, "It isn't your turn") ||
3932 looking_at(buf, &i, "It is not your move")) {
3934 if (ics_user_moved && forwardMostMove > backwardMostMove) { // only backup if we already moved
3935 currentMove = forwardMostMove-1;
3936 DisplayMove(currentMove - 1); /* before DMError */
3937 DrawPosition(FALSE, boards[currentMove]);
3938 SwitchClocks(forwardMostMove-1); // [HGM] race
3939 DisplayBothClocks();
3941 DisplayMoveError(_("Illegal move (rejected by ICS)")); // [HGM] but always relay error msg
3947 if (looking_at(buf, &i, "still have time") ||
3948 looking_at(buf, &i, "not out of time") ||
3949 looking_at(buf, &i, "either player is out of time") ||
3950 looking_at(buf, &i, "has timeseal; checking")) {
3951 /* We must have called his flag a little too soon */
3952 whiteFlag = blackFlag = FALSE;
3956 if (looking_at(buf, &i, "added * seconds to") ||
3957 looking_at(buf, &i, "seconds were added to")) {
3958 /* Update the clocks */
3959 SendToICS(ics_prefix);
3960 SendToICS("refresh\n");
3964 if (!ics_clock_paused && looking_at(buf, &i, "clock paused")) {
3965 ics_clock_paused = TRUE;
3970 if (ics_clock_paused && looking_at(buf, &i, "clock resumed")) {
3971 ics_clock_paused = FALSE;
3976 /* Grab player ratings from the Creating: message.
3977 Note we have to check for the special case when
3978 the ICS inserts things like [white] or [black]. */
3979 if (looking_at(buf, &i, "Creating: * (*)* * (*)") ||
3980 looking_at(buf, &i, "Creating: * (*) [*] * (*)")) {
3982 0 player 1 name (not necessarily white)
3984 2 empty, white, or black (IGNORED)
3985 3 player 2 name (not necessarily black)
3988 The names/ratings are sorted out when the game
3989 actually starts (below).
3991 safeStrCpy(player1Name, StripHighlightAndTitle(star_match[0]), sizeof(player1Name)/sizeof(player1Name[0]));
3992 player1Rating = string_to_rating(star_match[1]);
3993 safeStrCpy(player2Name, StripHighlightAndTitle(star_match[3]), sizeof(player2Name)/sizeof(player2Name[0]));
3994 player2Rating = string_to_rating(star_match[4]);
3996 if (appData.debugMode)
3998 "Ratings from 'Creating:' %s %d, %s %d\n",
3999 player1Name, player1Rating,
4000 player2Name, player2Rating);
4005 /* Improved generic start/end-of-game messages */
4006 if ((tkind=0, looking_at(buf, &i, "{Game * (* vs. *) *}*")) ||
4007 (tkind=1, looking_at(buf, &i, "{Game * (*(*) vs. *(*)) *}*"))){
4008 /* If tkind == 0: */
4009 /* star_match[0] is the game number */
4010 /* [1] is the white player's name */
4011 /* [2] is the black player's name */
4012 /* For end-of-game: */
4013 /* [3] is the reason for the game end */
4014 /* [4] is a PGN end game-token, preceded by " " */
4015 /* For start-of-game: */
4016 /* [3] begins with "Creating" or "Continuing" */
4017 /* [4] is " *" or empty (don't care). */
4018 int gamenum = atoi(star_match[0]);
4019 char *whitename, *blackname, *why, *endtoken;
4020 ChessMove endtype = EndOfFile;
4023 whitename = star_match[1];
4024 blackname = star_match[2];
4025 why = star_match[3];
4026 endtoken = star_match[4];
4028 whitename = star_match[1];
4029 blackname = star_match[3];
4030 why = star_match[5];
4031 endtoken = star_match[6];
4034 /* Game start messages */
4035 if (strncmp(why, "Creating ", 9) == 0 ||
4036 strncmp(why, "Continuing ", 11) == 0) {
4037 gs_gamenum = gamenum;
4038 safeStrCpy(gs_kind, strchr(why, ' ') + 1,sizeof(gs_kind)/sizeof(gs_kind[0]));
4039 if(ics_gamenum == -1) // [HGM] only if we are not already involved in a game (because gin=1 sends us such messages)
4040 VariantSwitch(boards[currentMove], StringToVariant(gs_kind)); // [HGM] variantswitch: even before we get first board
4042 if (appData.zippyPlay) {
4043 ZippyGameStart(whitename, blackname);
4046 partnerBoardValid = FALSE; // [HGM] bughouse
4050 /* Game end messages */
4051 if (gameMode == IcsIdle || gameMode == BeginningOfGame ||
4052 ics_gamenum != gamenum) {
4055 while (endtoken[0] == ' ') endtoken++;
4056 switch (endtoken[0]) {
4059 endtype = GameUnfinished;
4062 endtype = BlackWins;
4065 if (endtoken[1] == '/')
4066 endtype = GameIsDrawn;
4068 endtype = WhiteWins;
4071 GameEnds(endtype, why, GE_ICS);
4073 if (appData.zippyPlay && first.initDone) {
4074 ZippyGameEnd(endtype, why);
4075 if (first.pr == NoProc) {
4076 /* Start the next process early so that we'll
4077 be ready for the next challenge */
4078 StartChessProgram(&first);
4080 /* Send "new" early, in case this command takes
4081 a long time to finish, so that we'll be ready
4082 for the next challenge. */
4083 gameInfo.variant = VariantNormal; // [HGM] variantswitch: suppress sending of 'variant'
4087 if(appData.bgObserve && partnerBoardValid) DrawPosition(TRUE, partnerBoard);
4091 if (looking_at(buf, &i, "Removing game * from observation") ||
4092 looking_at(buf, &i, "no longer observing game *") ||
4093 looking_at(buf, &i, "Game * (*) has no examiners")) {
4094 if (gameMode == IcsObserving &&
4095 atoi(star_match[0]) == ics_gamenum)
4097 /* icsEngineAnalyze */
4098 if (appData.icsEngineAnalyze) {
4105 ics_user_moved = FALSE;
4110 if (looking_at(buf, &i, "no longer examining game *")) {
4111 if (gameMode == IcsExamining &&
4112 atoi(star_match[0]) == ics_gamenum)
4116 ics_user_moved = FALSE;
4121 /* Advance leftover_start past any newlines we find,
4122 so only partial lines can get reparsed */
4123 if (looking_at(buf, &i, "\n")) {
4124 prevColor = curColor;
4125 if (curColor != ColorNormal) {
4126 if (oldi > next_out) {
4127 SendToPlayer(&buf[next_out], oldi - next_out);
4130 Colorize(ColorNormal, FALSE);
4131 curColor = ColorNormal;
4133 if (started == STARTED_BOARD) {
4134 started = STARTED_NONE;
4135 parse[parse_pos] = NULLCHAR;
4136 ParseBoard12(parse);
4139 /* Send premove here */
4140 if (appData.premove) {
4142 if (currentMove == 0 &&
4143 gameMode == IcsPlayingWhite &&
4144 appData.premoveWhite) {
4145 snprintf(str, MSG_SIZ, "%s\n", appData.premoveWhiteText);
4146 if (appData.debugMode)
4147 fprintf(debugFP, "Sending premove:\n");
4149 } else if (currentMove == 1 &&
4150 gameMode == IcsPlayingBlack &&
4151 appData.premoveBlack) {
4152 snprintf(str, MSG_SIZ, "%s\n", appData.premoveBlackText);
4153 if (appData.debugMode)
4154 fprintf(debugFP, "Sending premove:\n");
4156 } else if (gotPremove) {
4158 ClearPremoveHighlights();
4159 if (appData.debugMode)
4160 fprintf(debugFP, "Sending premove:\n");
4161 UserMoveEvent(premoveFromX, premoveFromY,
4162 premoveToX, premoveToY,
4167 /* Usually suppress following prompt */
4168 if (!(forwardMostMove == 0 && gameMode == IcsExamining)) {
4169 while(looking_at(buf, &i, "\n")); // [HGM] skip empty lines
4170 if (looking_at(buf, &i, "*% ")) {
4171 savingComment = FALSE;
4176 } else if (started == STARTED_HOLDINGS) {
4178 char new_piece[MSG_SIZ];
4179 started = STARTED_NONE;
4180 parse[parse_pos] = NULLCHAR;
4181 if (appData.debugMode)
4182 fprintf(debugFP, "Parsing holdings: %s, currentMove = %d\n",
4183 parse, currentMove);
4184 if (sscanf(parse, " game %d", &gamenum) == 1) {
4185 if(gamenum == ics_gamenum) { // [HGM] bughouse: old code if part of foreground game
4186 if (gameInfo.variant == VariantNormal) {
4187 /* [HGM] We seem to switch variant during a game!
4188 * Presumably no holdings were displayed, so we have
4189 * to move the position two files to the right to
4190 * create room for them!
4192 VariantClass newVariant;
4193 switch(gameInfo.boardWidth) { // base guess on board width
4194 case 9: newVariant = VariantShogi; break;
4195 case 10: newVariant = VariantGreat; break;
4196 default: newVariant = VariantCrazyhouse; break;
4198 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4199 /* Get a move list just to see the header, which
4200 will tell us whether this is really bug or zh */
4201 if (ics_getting_history == H_FALSE) {
4202 ics_getting_history = H_REQUESTED;
4203 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4207 new_piece[0] = NULLCHAR;
4208 sscanf(parse, "game %d white [%s black [%s <- %s",
4209 &gamenum, white_holding, black_holding,
4211 white_holding[strlen(white_holding)-1] = NULLCHAR;
4212 black_holding[strlen(black_holding)-1] = NULLCHAR;
4213 /* [HGM] copy holdings to board holdings area */
4214 CopyHoldings(boards[forwardMostMove], white_holding, WhitePawn);
4215 CopyHoldings(boards[forwardMostMove], black_holding, BlackPawn);
4216 boards[forwardMostMove][HOLDINGS_SET] = 1; // flag holdings as set
4218 if (appData.zippyPlay && first.initDone) {
4219 ZippyHoldings(white_holding, black_holding,
4223 if (tinyLayout || smallLayout) {
4224 char wh[16], bh[16];
4225 PackHolding(wh, white_holding);
4226 PackHolding(bh, black_holding);
4227 snprintf(str, MSG_SIZ, "[%s-%s] %s-%s", wh, bh,
4228 gameInfo.white, gameInfo.black);
4230 snprintf(str, MSG_SIZ, "%s [%s] %s %s [%s]",
4231 gameInfo.white, white_holding, _("vs."),
4232 gameInfo.black, black_holding);
4234 if(!partnerUp) // [HGM] bughouse: when peeking at partner game we already know what he captured...
4235 DrawPosition(FALSE, boards[currentMove]);
4237 } else if(appData.bgObserve) { // [HGM] bughouse: holdings of other game => background
4238 sscanf(parse, "game %d white [%s black [%s <- %s",
4239 &gamenum, white_holding, black_holding,
4241 white_holding[strlen(white_holding)-1] = NULLCHAR;
4242 black_holding[strlen(black_holding)-1] = NULLCHAR;
4243 /* [HGM] copy holdings to partner-board holdings area */
4244 CopyHoldings(partnerBoard, white_holding, WhitePawn);
4245 CopyHoldings(partnerBoard, black_holding, BlackPawn);
4246 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual: always draw
4247 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4248 if(twoBoards) { partnerUp = 0; flipView = !flipView; }
4251 /* Suppress following prompt */
4252 if (looking_at(buf, &i, "*% ")) {
4253 if(strchr(star_match[0], 7)) SendToPlayer("\007", 1); // Bell(); // FICS fuses bell for next board with prompt in zh captures
4254 savingComment = FALSE;
4262 i++; /* skip unparsed character and loop back */
4265 if (started != STARTED_MOVES && started != STARTED_BOARD && !suppressKibitz && // [HGM] kibitz
4266 // started != STARTED_HOLDINGS && i > next_out) { // [HGM] should we compare to leftover_start in stead of i?
4267 // SendToPlayer(&buf[next_out], i - next_out);
4268 started != STARTED_HOLDINGS && leftover_start > next_out) {
4269 SendToPlayer(&buf[next_out], leftover_start - next_out);
4273 leftover_len = buf_len - leftover_start;
4274 /* if buffer ends with something we couldn't parse,
4275 reparse it after appending the next read */
4277 } else if (count == 0) {
4278 RemoveInputSource(isr);
4279 DisplayFatalError(_("Connection closed by ICS"), 0, 0);
4281 DisplayFatalError(_("Error reading from ICS"), error, 1);
4286 /* Board style 12 looks like this:
4288 <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
4290 * The "<12> " is stripped before it gets to this routine. The two
4291 * trailing 0's (flip state and clock ticking) are later addition, and
4292 * some chess servers may not have them, or may have only the first.
4293 * Additional trailing fields may be added in the future.
4296 #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"
4298 #define RELATION_OBSERVING_PLAYED 0
4299 #define RELATION_OBSERVING_STATIC -2 /* examined, oldmoves, or smoves */
4300 #define RELATION_PLAYING_MYMOVE 1
4301 #define RELATION_PLAYING_NOTMYMOVE -1
4302 #define RELATION_EXAMINING 2
4303 #define RELATION_ISOLATED_BOARD -3
4304 #define RELATION_STARTING_POSITION -4 /* FICS only */
4307 ParseBoard12 (char *string)
4311 char *bookHit = NULL; // [HGM] book
4313 GameMode newGameMode;
4314 int gamenum, newGame, newMove, relation, basetime, increment, ics_flip = 0;
4315 int j, k, n, moveNum, white_stren, black_stren, white_time, black_time;
4316 int double_push, castle_ws, castle_wl, castle_bs, castle_bl, irrev_count;
4317 char to_play, board_chars[200];
4318 char move_str[MSG_SIZ], str[MSG_SIZ], elapsed_time[MSG_SIZ];
4319 char black[32], white[32];
4321 int prevMove = currentMove;
4324 int fromX, fromY, toX, toY;
4326 int ranks=1, files=0; /* [HGM] ICS80: allow variable board size */
4327 Boolean weird = FALSE, reqFlag = FALSE;
4329 fromX = fromY = toX = toY = -1;
4333 if (appData.debugMode)
4334 fprintf(debugFP, "Parsing board: %s\n", string);
4336 move_str[0] = NULLCHAR;
4337 elapsed_time[0] = NULLCHAR;
4338 { /* [HGM] figure out how many ranks and files the board has, for ICS extension used by Capablanca server */
4340 while(i < 199 && (string[i] != ' ' || string[i+2] != ' ')) {
4341 if(string[i] == ' ') { ranks++; files = 0; }
4343 if(!strchr(" -pnbrqkPNBRQK" , string[i])) weird = TRUE; // test for fairies
4346 for(j = 0; j <i; j++) board_chars[j] = string[j];
4347 board_chars[i] = '\0';
4350 n = sscanf(string, PATTERN, &to_play, &double_push,
4351 &castle_ws, &castle_wl, &castle_bs, &castle_bl, &irrev_count,
4352 &gamenum, white, black, &relation, &basetime, &increment,
4353 &white_stren, &black_stren, &white_time, &black_time,
4354 &moveNum, str, elapsed_time, move_str, &ics_flip,
4358 snprintf(str, MSG_SIZ, _("Failed to parse board string:\n\"%s\""), string);
4359 DisplayError(str, 0);
4363 /* Convert the move number to internal form */
4364 moveNum = (moveNum - 1) * 2;
4365 if (to_play == 'B') moveNum++;
4366 if (moveNum > framePtr) { // [HGM] vari: do not run into saved variations
4367 DisplayFatalError(_("Game too long; increase MAX_MOVES and recompile"),
4373 case RELATION_OBSERVING_PLAYED:
4374 case RELATION_OBSERVING_STATIC:
4375 if (gamenum == -1) {
4376 /* Old ICC buglet */
4377 relation = RELATION_OBSERVING_STATIC;
4379 newGameMode = IcsObserving;
4381 case RELATION_PLAYING_MYMOVE:
4382 case RELATION_PLAYING_NOTMYMOVE:
4384 ((relation == RELATION_PLAYING_MYMOVE) == (to_play == 'W')) ?
4385 IcsPlayingWhite : IcsPlayingBlack;
4386 soughtPending =FALSE; // [HGM] seekgraph: solve race condition
4388 case RELATION_EXAMINING:
4389 newGameMode = IcsExamining;
4391 case RELATION_ISOLATED_BOARD:
4393 /* Just display this board. If user was doing something else,
4394 we will forget about it until the next board comes. */
4395 newGameMode = IcsIdle;
4397 case RELATION_STARTING_POSITION:
4398 newGameMode = gameMode;
4402 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
4403 gameMode == IcsObserving && appData.dualBoard) // also allow use of second board for observing two games
4404 && newGameMode == IcsObserving && gamenum != ics_gamenum && appData.bgObserve) {
4405 // [HGM] bughouse: don't act on alien boards while we play. Just parse the board and save it */
4406 int fac = strchr(elapsed_time, '.') ? 1 : 1000;
4407 static int lastBgGame = -1;
4409 for (k = 0; k < ranks; k++) {
4410 for (j = 0; j < files; j++)
4411 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4412 if(gameInfo.holdingsWidth > 1) {
4413 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4414 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4417 CopyBoard(partnerBoard, board);
4418 if(toSqr = strchr(str, '/')) { // extract highlights from long move
4419 partnerBoard[EP_STATUS-3] = toSqr[1] - AAA; // kludge: hide highlighting info in board
4420 partnerBoard[EP_STATUS-4] = toSqr[2] - ONE;
4421 } else partnerBoard[EP_STATUS-4] = partnerBoard[EP_STATUS-3] = -1;
4422 if(toSqr = strchr(str, '-')) {
4423 partnerBoard[EP_STATUS-1] = toSqr[1] - AAA;
4424 partnerBoard[EP_STATUS-2] = toSqr[2] - ONE;
4425 } else partnerBoard[EP_STATUS-1] = partnerBoard[EP_STATUS-2] = -1;
4426 if(appData.dualBoard && !twoBoards) { twoBoards = 1; InitDrawingSizes(-2,0); }
4427 if(twoBoards) { partnerUp = 1; flipView = !flipView; } // [HGM] dual
4428 if(partnerUp) DrawPosition(FALSE, partnerBoard);
4430 DisplayWhiteClock(white_time*fac, to_play == 'W');
4431 DisplayBlackClock(black_time*fac, to_play != 'W');
4432 activePartner = to_play;
4433 if(gamenum != lastBgGame) {
4435 snprintf(buf, MSG_SIZ, "%s %s %s", white, _("vs."), black);
4438 lastBgGame = gamenum;
4439 activePartnerTime = to_play == 'W' ? white_time*fac : black_time*fac;
4440 partnerUp = 0; flipView = !flipView; } // [HGM] dual
4441 snprintf(partnerStatus, MSG_SIZ,"W: %d:%02d B: %d:%02d (%d-%d) %c", white_time*fac/60000, (white_time*fac%60000)/1000,
4442 (black_time*fac/60000), (black_time*fac%60000)/1000, white_stren, black_stren, to_play);
4443 if(!twoBoards) DisplayMessage(partnerStatus, "");
4444 partnerBoardValid = TRUE;
4448 if(appData.dualBoard && appData.bgObserve) {
4449 if((newGameMode == IcsPlayingWhite || newGameMode == IcsPlayingBlack) && moveNum == 1)
4450 SendToICS(ics_prefix), SendToICS("pobserve\n");
4451 else if(newGameMode == IcsObserving && (gameMode == BeginningOfGame || gameMode == IcsIdle)) {
4453 snprintf(buf, MSG_SIZ, "%spobserve %s\n", ics_prefix, white);
4458 /* Modify behavior for initial board display on move listing
4461 switch (ics_getting_history) {
4465 case H_GOT_REQ_HEADER:
4466 case H_GOT_UNREQ_HEADER:
4467 /* This is the initial position of the current game */
4468 gamenum = ics_gamenum;
4469 moveNum = 0; /* old ICS bug workaround */
4470 if (to_play == 'B') {
4471 startedFromSetupPosition = TRUE;
4472 blackPlaysFirst = TRUE;
4474 if (forwardMostMove == 0) forwardMostMove = 1;
4475 if (backwardMostMove == 0) backwardMostMove = 1;
4476 if (currentMove == 0) currentMove = 1;
4478 newGameMode = gameMode;
4479 relation = RELATION_STARTING_POSITION; /* ICC needs this */
4481 case H_GOT_UNWANTED_HEADER:
4482 /* This is an initial board that we don't want */
4484 case H_GETTING_MOVES:
4485 /* Should not happen */
4486 DisplayError(_("Error gathering move list: extra board"), 0);
4487 ics_getting_history = H_FALSE;
4491 if (gameInfo.boardHeight != ranks || gameInfo.boardWidth != files ||
4492 move_str[1] == '@' && !gameInfo.holdingsWidth ||
4493 weird && (int)gameInfo.variant < (int)VariantShogi) {
4494 /* [HGM] We seem to have switched variant unexpectedly
4495 * Try to guess new variant from board size
4497 VariantClass newVariant = VariantFairy; // if 8x8, but fairies present
4498 if(ranks == 8 && files == 10) newVariant = VariantCapablanca; else
4499 if(ranks == 10 && files == 9) newVariant = VariantXiangqi; else
4500 if(ranks == 8 && files == 12) newVariant = VariantCourier; else
4501 if(ranks == 9 && files == 9) newVariant = VariantShogi; else
4502 if(ranks == 10 && files == 10) newVariant = VariantGrand; else
4503 if(!weird) newVariant = move_str[1] == '@' ? VariantCrazyhouse : VariantNormal;
4504 VariantSwitch(boards[currentMove], newVariant); /* temp guess */
4505 /* Get a move list just to see the header, which
4506 will tell us whether this is really bug or zh */
4507 if (ics_getting_history == H_FALSE) {
4508 ics_getting_history = H_REQUESTED; reqFlag = TRUE;
4509 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4514 /* Take action if this is the first board of a new game, or of a
4515 different game than is currently being displayed. */
4516 if (gamenum != ics_gamenum || newGameMode != gameMode ||
4517 relation == RELATION_ISOLATED_BOARD) {
4519 /* Forget the old game and get the history (if any) of the new one */
4520 if (gameMode != BeginningOfGame) {
4524 if (appData.autoRaiseBoard) BoardToTop();
4526 if (gamenum == -1) {
4527 newGameMode = IcsIdle;
4528 } else if ((moveNum > 0 || newGameMode == IcsObserving) && newGameMode != IcsIdle &&
4529 appData.getMoveList && !reqFlag) {
4530 /* Need to get game history */
4531 ics_getting_history = H_REQUESTED;
4532 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4536 /* Initially flip the board to have black on the bottom if playing
4537 black or if the ICS flip flag is set, but let the user change
4538 it with the Flip View button. */
4539 flipView = appData.autoFlipView ?
4540 (newGameMode == IcsPlayingBlack) || ics_flip :
4543 /* Done with values from previous mode; copy in new ones */
4544 gameMode = newGameMode;
4546 ics_gamenum = gamenum;
4547 if (gamenum == gs_gamenum) {
4548 int klen = strlen(gs_kind);
4549 if (gs_kind[klen - 1] == '.') gs_kind[klen - 1] = NULLCHAR;
4550 snprintf(str, MSG_SIZ, "ICS %s", gs_kind);
4551 gameInfo.event = StrSave(str);
4553 gameInfo.event = StrSave("ICS game");
4555 gameInfo.site = StrSave(appData.icsHost);
4556 gameInfo.date = PGNDate();
4557 gameInfo.round = StrSave("-");
4558 gameInfo.white = StrSave(white);
4559 gameInfo.black = StrSave(black);
4560 timeControl = basetime * 60 * 1000;
4562 timeIncrement = increment * 1000;
4563 movesPerSession = 0;
4564 gameInfo.timeControl = TimeControlTagValue();
4565 VariantSwitch(boards[currentMove], StringToVariant(gameInfo.event) );
4566 if (appData.debugMode) {
4567 fprintf(debugFP, "ParseBoard says variant = '%s'\n", gameInfo.event);
4568 fprintf(debugFP, "recognized as %s\n", VariantName(gameInfo.variant));
4569 setbuf(debugFP, NULL);
4572 gameInfo.outOfBook = NULL;
4574 /* Do we have the ratings? */
4575 if (strcmp(player1Name, white) == 0 &&
4576 strcmp(player2Name, black) == 0) {
4577 if (appData.debugMode)
4578 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4579 player1Rating, player2Rating);
4580 gameInfo.whiteRating = player1Rating;
4581 gameInfo.blackRating = player2Rating;
4582 } else if (strcmp(player2Name, white) == 0 &&
4583 strcmp(player1Name, black) == 0) {
4584 if (appData.debugMode)
4585 fprintf(debugFP, "Remembered ratings: W %d, B %d\n",
4586 player2Rating, player1Rating);
4587 gameInfo.whiteRating = player2Rating;
4588 gameInfo.blackRating = player1Rating;
4590 player1Name[0] = player2Name[0] = NULLCHAR;
4592 /* Silence shouts if requested */
4593 if (appData.quietPlay &&
4594 (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)) {
4595 SendToICS(ics_prefix);
4596 SendToICS("set shout 0\n");
4600 /* Deal with midgame name changes */
4602 if (!gameInfo.white || strcmp(gameInfo.white, white) != 0) {
4603 if (gameInfo.white) free(gameInfo.white);
4604 gameInfo.white = StrSave(white);
4606 if (!gameInfo.black || strcmp(gameInfo.black, black) != 0) {
4607 if (gameInfo.black) free(gameInfo.black);
4608 gameInfo.black = StrSave(black);
4612 /* Throw away game result if anything actually changes in examine mode */
4613 if (gameMode == IcsExamining && !newGame) {
4614 gameInfo.result = GameUnfinished;
4615 if (gameInfo.resultDetails != NULL) {
4616 free(gameInfo.resultDetails);
4617 gameInfo.resultDetails = NULL;
4621 /* In pausing && IcsExamining mode, we ignore boards coming
4622 in if they are in a different variation than we are. */
4623 if (pauseExamInvalid) return;
4624 if (pausing && gameMode == IcsExamining) {
4625 if (moveNum <= pauseExamForwardMostMove) {
4626 pauseExamInvalid = TRUE;
4627 forwardMostMove = pauseExamForwardMostMove;
4632 if (appData.debugMode) {
4633 fprintf(debugFP, "load %dx%d board\n", files, ranks);
4635 /* Parse the board */
4636 for (k = 0; k < ranks; k++) {
4637 for (j = 0; j < files; j++)
4638 board[k][j+gameInfo.holdingsWidth] = CharToPiece(board_chars[(ranks-1-k)*(files+1) + j]);
4639 if(gameInfo.holdingsWidth > 1) {
4640 board[k][0] = board[k][BOARD_WIDTH-1] = EmptySquare;
4641 board[k][1] = board[k][BOARD_WIDTH-2] = (ChessSquare) 0;;
4644 if(moveNum==0 && gameInfo.variant == VariantSChess) {
4645 board[5][BOARD_RGHT+1] = WhiteAngel;
4646 board[6][BOARD_RGHT+1] = WhiteMarshall;
4647 board[1][0] = BlackMarshall;
4648 board[2][0] = BlackAngel;
4649 board[1][1] = board[2][1] = board[5][BOARD_RGHT] = board[6][BOARD_RGHT] = 1;
4651 CopyBoard(boards[moveNum], board);
4652 boards[moveNum][HOLDINGS_SET] = 0; // [HGM] indicate holdings not set
4654 startedFromSetupPosition =
4655 !CompareBoards(board, initialPosition);
4656 if(startedFromSetupPosition)
4657 initialRulePlies = irrev_count; /* [HGM] 50-move counter offset */
4660 /* [HGM] Set castling rights. Take the outermost Rooks,
4661 to make it also work for FRC opening positions. Note that board12
4662 is really defective for later FRC positions, as it has no way to
4663 indicate which Rook can castle if they are on the same side of King.
4664 For the initial position we grant rights to the outermost Rooks,
4665 and remember thos rights, and we then copy them on positions
4666 later in an FRC game. This means WB might not recognize castlings with
4667 Rooks that have moved back to their original position as illegal,
4668 but in ICS mode that is not its job anyway.
4670 if(moveNum == 0 || gameInfo.variant != VariantFischeRandom)
4671 { int i, j; ChessSquare wKing = WhiteKing, bKing = BlackKing;
4673 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4674 if(board[0][i] == WhiteRook) j = i;
4675 initialRights[0] = boards[moveNum][CASTLING][0] = (castle_ws == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4676 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4677 if(board[0][i] == WhiteRook) j = i;
4678 initialRights[1] = boards[moveNum][CASTLING][1] = (castle_wl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4679 for(i=BOARD_LEFT, j=NoRights; i<BOARD_RGHT; i++)
4680 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4681 initialRights[3] = boards[moveNum][CASTLING][3] = (castle_bs == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4682 for(i=BOARD_RGHT-1, j=NoRights; i>=BOARD_LEFT; i--)
4683 if(board[BOARD_HEIGHT-1][i] == BlackRook) j = i;
4684 initialRights[4] = boards[moveNum][CASTLING][4] = (castle_bl == 0 && gameInfo.variant != VariantFischeRandom ? NoRights : j);
4686 boards[moveNum][CASTLING][2] = boards[moveNum][CASTLING][5] = NoRights;
4687 if(gameInfo.variant == VariantKnightmate) { wKing = WhiteUnicorn; bKing = BlackUnicorn; }
4688 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4689 if(board[0][k] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = k;
4690 for(k=BOARD_LEFT; k<BOARD_RGHT; k++)
4691 if(board[BOARD_HEIGHT-1][k] == bKing)
4692 initialRights[5] = boards[moveNum][CASTLING][5] = k;
4693 if(gameInfo.variant == VariantTwoKings) {
4694 // In TwoKings looking for a King does not work, so always give castling rights to a King on e1/e8
4695 if(board[0][4] == wKing) initialRights[2] = boards[moveNum][CASTLING][2] = 4;
4696 if(board[BOARD_HEIGHT-1][4] == bKing) initialRights[5] = boards[moveNum][CASTLING][5] = 4;
4699 r = boards[moveNum][CASTLING][0] = initialRights[0];
4700 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][0] = NoRights;
4701 r = boards[moveNum][CASTLING][1] = initialRights[1];
4702 if(board[0][r] != WhiteRook) boards[moveNum][CASTLING][1] = NoRights;
4703 r = boards[moveNum][CASTLING][3] = initialRights[3];
4704 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][3] = NoRights;
4705 r = boards[moveNum][CASTLING][4] = initialRights[4];
4706 if(board[BOARD_HEIGHT-1][r] != BlackRook) boards[moveNum][CASTLING][4] = NoRights;
4707 /* wildcastle kludge: always assume King has rights */
4708 r = boards[moveNum][CASTLING][2] = initialRights[2];
4709 r = boards[moveNum][CASTLING][5] = initialRights[5];
4711 /* [HGM] e.p. rights. Assume that ICS sends file number here? */
4712 boards[moveNum][EP_STATUS] = EP_NONE;
4713 if(str[0] == 'P') boards[moveNum][EP_STATUS] = EP_PAWN_MOVE;
4714 if(strchr(move_str, 'x')) boards[moveNum][EP_STATUS] = EP_CAPTURE;
4715 if(double_push != -1) boards[moveNum][EP_STATUS] = double_push + BOARD_LEFT;
4718 if (ics_getting_history == H_GOT_REQ_HEADER ||
4719 ics_getting_history == H_GOT_UNREQ_HEADER) {
4720 /* This was an initial position from a move list, not
4721 the current position */
4725 /* Update currentMove and known move number limits */
4726 newMove = newGame || moveNum > forwardMostMove;
4729 forwardMostMove = backwardMostMove = currentMove = moveNum;
4730 if (gameMode == IcsExamining && moveNum == 0) {
4731 /* Workaround for ICS limitation: we are not told the wild
4732 type when starting to examine a game. But if we ask for
4733 the move list, the move list header will tell us */
4734 ics_getting_history = H_REQUESTED;
4735 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4738 } else if (moveNum == forwardMostMove + 1 || moveNum == forwardMostMove
4739 || (moveNum < forwardMostMove && moveNum >= backwardMostMove)) {
4741 /* [DM] If we found takebacks during icsEngineAnalyze try send to engine */
4742 /* [HGM] applied this also to an engine that is silently watching */
4743 if (appData.zippyPlay && moveNum < forwardMostMove && first.initDone &&
4744 (gameMode == IcsObserving || gameMode == IcsExamining) &&
4745 gameInfo.variant == currentlyInitializedVariant) {
4746 takeback = forwardMostMove - moveNum;
4747 for (i = 0; i < takeback; i++) {
4748 if (appData.debugMode) fprintf(debugFP, "take back move\n");
4749 SendToProgram("undo\n", &first);
4754 forwardMostMove = moveNum;
4755 if (!pausing || currentMove > forwardMostMove)
4756 currentMove = forwardMostMove;
4758 /* New part of history that is not contiguous with old part */
4759 if (pausing && gameMode == IcsExamining) {
4760 pauseExamInvalid = TRUE;
4761 forwardMostMove = pauseExamForwardMostMove;
4764 if (gameMode == IcsExamining && moveNum > 0 && appData.getMoveList) {
4766 if(appData.zippyPlay && forwardMostMove > 0 && first.initDone) {
4767 // [HGM] when we will receive the move list we now request, it will be
4768 // fed to the engine from the first move on. So if the engine is not
4769 // in the initial position now, bring it there.
4770 InitChessProgram(&first, 0);
4773 ics_getting_history = H_REQUESTED;
4774 snprintf(str, MSG_SIZ, "%smoves %d\n", ics_prefix, gamenum);
4777 forwardMostMove = backwardMostMove = currentMove = moveNum;
4780 /* Update the clocks */
4781 if (strchr(elapsed_time, '.')) {
4783 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time;
4784 timeRemaining[1][moveNum] = blackTimeRemaining = black_time;
4786 /* Time is in seconds */
4787 timeRemaining[0][moveNum] = whiteTimeRemaining = white_time * 1000;
4788 timeRemaining[1][moveNum] = blackTimeRemaining = black_time * 1000;
4793 if (appData.zippyPlay && newGame &&
4794 gameMode != IcsObserving && gameMode != IcsIdle &&
4795 gameMode != IcsExamining)
4796 ZippyFirstBoard(moveNum, basetime, increment);
4799 /* Put the move on the move list, first converting
4800 to canonical algebraic form. */
4802 if (appData.debugMode) {
4803 int f = forwardMostMove;
4804 fprintf(debugFP, "parseboard %d, castling = %d %d %d %d %d %d\n", f,
4805 boards[f][CASTLING][0],boards[f][CASTLING][1],boards[f][CASTLING][2],
4806 boards[f][CASTLING][3],boards[f][CASTLING][4],boards[f][CASTLING][5]);
4807 fprintf(debugFP, "accepted move %s from ICS, parse it.\n", move_str);
4808 fprintf(debugFP, "moveNum = %d\n", moveNum);
4809 fprintf(debugFP, "board = %d-%d x %d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT);
4810 setbuf(debugFP, NULL);
4812 if (moveNum <= backwardMostMove) {
4813 /* We don't know what the board looked like before
4815 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4816 strcat(parseList[moveNum - 1], " ");
4817 strcat(parseList[moveNum - 1], elapsed_time);
4818 moveList[moveNum - 1][0] = NULLCHAR;
4819 } else if (strcmp(move_str, "none") == 0) {
4820 // [HGM] long SAN: swapped order; test for 'none' before parsing move
4821 /* Again, we don't know what the board looked like;
4822 this is really the start of the game. */
4823 parseList[moveNum - 1][0] = NULLCHAR;
4824 moveList[moveNum - 1][0] = NULLCHAR;
4825 backwardMostMove = moveNum;
4826 startedFromSetupPosition = TRUE;
4827 fromX = fromY = toX = toY = -1;
4829 // [HGM] long SAN: if legality-testing is off, disambiguation might not work or give wrong move.
4830 // So we parse the long-algebraic move string in stead of the SAN move
4831 int valid; char buf[MSG_SIZ], *prom;
4833 if(gameInfo.variant == VariantShogi && !strchr(move_str, '=') && !strchr(move_str, '@'))
4834 strcat(move_str, "="); // if ICS does not say 'promote' on non-drop, we defer.
4835 // str looks something like "Q/a1-a2"; kill the slash
4837 snprintf(buf, MSG_SIZ,"%c%s", str[0], str+2);
4838 else safeStrCpy(buf, str, sizeof(buf)/sizeof(buf[0])); // might be castling
4839 if((prom = strstr(move_str, "=")) && !strstr(buf, "="))
4840 strcat(buf, prom); // long move lacks promo specification!
4841 if(!appData.testLegality && move_str[1] != '@') { // drops never ambiguous (parser chokes on long form!)
4842 if(appData.debugMode)
4843 fprintf(debugFP, "replaced ICS move '%s' by '%s'\n", move_str, buf);
4844 safeStrCpy(move_str, buf, MSG_SIZ);
4846 valid = ParseOneMove(move_str, moveNum - 1, &moveType,
4847 &fromX, &fromY, &toX, &toY, &promoChar)
4848 || ParseOneMove(buf, moveNum - 1, &moveType,
4849 &fromX, &fromY, &toX, &toY, &promoChar);
4850 // end of long SAN patch
4852 (void) CoordsToAlgebraic(boards[moveNum - 1],
4853 PosFlags(moveNum - 1),
4854 fromY, fromX, toY, toX, promoChar,
4855 parseList[moveNum-1]);
4856 switch (MateTest(boards[moveNum], PosFlags(moveNum)) ) {
4862 if(!IS_SHOGI(gameInfo.variant))
4863 strcat(parseList[moveNum - 1], "+");
4866 case MT_STAINMATE: // [HGM] xq: for notation stalemate that wins counts as checkmate
4867 strcat(parseList[moveNum - 1], "#");
4870 strcat(parseList[moveNum - 1], " ");
4871 strcat(parseList[moveNum - 1], elapsed_time);
4872 /* currentMoveString is set as a side-effect of ParseOneMove */
4873 if(gameInfo.variant == VariantShogi && currentMoveString[4]) currentMoveString[4] = '^';
4874 safeStrCpy(moveList[moveNum - 1], currentMoveString, sizeof(moveList[moveNum - 1])/sizeof(moveList[moveNum - 1][0]));
4875 strcat(moveList[moveNum - 1], "\n");
4877 if(gameInfo.holdingsWidth && !appData.disguise && gameInfo.variant != VariantSuper && gameInfo.variant != VariantGreat
4878 && gameInfo.variant != VariantGrand&& gameInfo.variant != VariantSChess) // inherit info that ICS does not give from previous board
4879 for(k=0; k<ranks; k++) for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
4880 ChessSquare old, new = boards[moveNum][k][j];
4881 if(fromY == DROP_RANK && k==toY && j==toX) continue; // dropped pieces always stand for themselves
4882 old = (k==toY && j==toX) ? boards[moveNum-1][fromY][fromX] : boards[moveNum-1][k][j]; // trace back mover
4883 if(old == new) continue;
4884 if(old == PROMOTED new) boards[moveNum][k][j] = old; // prevent promoted pieces to revert to primordial ones
4885 else if(new == WhiteWazir || new == BlackWazir) {
4886 if(old < WhiteCannon || old >= BlackPawn && old < BlackCannon)
4887 boards[moveNum][k][j] = PROMOTED old; // choose correct type of Gold in promotion
4888 else boards[moveNum][k][j] = old; // preserve type of Gold
4889 } else if((old == WhitePawn || old == BlackPawn) && new != EmptySquare) // Pawn promotions (but not e.p.capture!)
4890 boards[moveNum][k][j] = PROMOTED new; // use non-primordial representation of chosen piece
4893 /* Move from ICS was illegal!? Punt. */
4894 if (appData.debugMode) {
4895 fprintf(debugFP, "Illegal move from ICS '%s'\n", move_str);
4896 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
4898 safeStrCpy(parseList[moveNum - 1], move_str, sizeof(parseList[moveNum - 1])/sizeof(parseList[moveNum - 1][0]));
4899 strcat(parseList[moveNum - 1], " ");
4900 strcat(parseList[moveNum - 1], elapsed_time);
4901 moveList[moveNum - 1][0] = NULLCHAR;
4902 fromX = fromY = toX = toY = -1;
4905 if (appData.debugMode) {
4906 fprintf(debugFP, "Move parsed to '%s'\n", parseList[moveNum - 1]);
4907 setbuf(debugFP, NULL);
4911 /* Send move to chess program (BEFORE animating it). */
4912 if (appData.zippyPlay && !newGame && newMove &&
4913 (!appData.getMoveList || backwardMostMove == 0) && first.initDone) {
4915 if ((gameMode == IcsPlayingWhite && WhiteOnMove(moveNum)) ||
4916 (gameMode == IcsPlayingBlack && !WhiteOnMove(moveNum))) {
4917 if (moveList[moveNum - 1][0] == NULLCHAR) {
4918 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"),
4920 DisplayError(str, 0);
4922 if (first.sendTime) {
4923 SendTimeRemaining(&first, gameMode == IcsPlayingWhite);
4925 bookHit = SendMoveToBookUser(moveNum - 1, &first, FALSE); // [HGM] book
4926 if (firstMove && !bookHit) {
4928 if (first.useColors) {
4929 SendToProgram(gameMode == IcsPlayingWhite ?
4931 "black\ngo\n", &first);
4933 SendToProgram("go\n", &first);
4935 first.maybeThinking = TRUE;
4938 } else if (gameMode == IcsObserving || gameMode == IcsExamining) {
4939 if (moveList[moveNum - 1][0] == NULLCHAR) {
4940 snprintf(str, MSG_SIZ, _("Couldn't parse move \"%s\" from ICS"), move_str);
4941 DisplayError(str, 0);
4943 if(gameInfo.variant == currentlyInitializedVariant) // [HGM] refrain sending moves engine can't understand!
4944 SendMoveToProgram(moveNum - 1, &first);
4951 if (moveNum > 0 && !gotPremove && !appData.noGUI) {
4952 /* If move comes from a remote source, animate it. If it
4953 isn't remote, it will have already been animated. */
4954 if (!pausing && !ics_user_moved && prevMove == moveNum - 1) {
4955 AnimateMove(boards[moveNum - 1], fromX, fromY, toX, toY);
4957 if (!pausing && appData.highlightLastMove) {
4958 SetHighlights(fromX, fromY, toX, toY);
4962 /* Start the clocks */
4963 whiteFlag = blackFlag = FALSE;
4964 appData.clockMode = !(basetime == 0 && increment == 0);
4966 ics_clock_paused = TRUE;
4968 } else if (ticking == 1) {
4969 ics_clock_paused = FALSE;
4971 if (gameMode == IcsIdle ||
4972 relation == RELATION_OBSERVING_STATIC ||
4973 relation == RELATION_EXAMINING ||
4975 DisplayBothClocks();
4979 /* Display opponents and material strengths */
4980 if (gameInfo.variant != VariantBughouse &&
4981 gameInfo.variant != VariantCrazyhouse && !appData.noGUI) {
4982 if (tinyLayout || smallLayout) {
4983 if(gameInfo.variant == VariantNormal)
4984 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d}",
4985 gameInfo.white, white_stren, gameInfo.black, black_stren,
4986 basetime, increment);
4988 snprintf(str, MSG_SIZ, "%s(%d) %s(%d) {%d %d w%d}",
4989 gameInfo.white, white_stren, gameInfo.black, black_stren,
4990 basetime, increment, (int) gameInfo.variant);
4992 if(gameInfo.variant == VariantNormal)
4993 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d}",
4994 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4995 basetime, increment);
4997 snprintf(str, MSG_SIZ, "%s (%d) %s %s (%d) {%d %d %s}",
4998 gameInfo.white, white_stren, _("vs."), gameInfo.black, black_stren,
4999 basetime, increment, VariantName(gameInfo.variant));
5002 if (appData.debugMode) {
5003 fprintf(debugFP, "Display title '%s, gameInfo.variant = %d'\n", str, gameInfo.variant);
5008 /* Display the board */
5009 if (!pausing && !appData.noGUI) {
5011 if (appData.premove)
5013 ((gameMode == IcsPlayingWhite) && (WhiteOnMove(currentMove))) ||
5014 ((gameMode == IcsPlayingBlack) && (!WhiteOnMove(currentMove))))
5015 ClearPremoveHighlights();
5017 j = seekGraphUp; seekGraphUp = FALSE; // [HGM] seekgraph: when we draw a board, it overwrites the seek graph
5018 if(partnerUp) { flipView = originalFlip; partnerUp = FALSE; j = TRUE; } // [HGM] bughouse: restore view
5019 DrawPosition(j, boards[currentMove]);
5021 DisplayMove(moveNum - 1);
5022 if (appData.ringBellAfterMoves && /*!ics_user_moved*/ // [HGM] use absolute method to recognize own move
5023 !((gameMode == IcsPlayingWhite) && (!WhiteOnMove(moveNum)) ||
5024 (gameMode == IcsPlayingBlack) && (WhiteOnMove(moveNum)) ) ) {
5025 if(newMove) RingBell(); else PlayIcsUnfinishedSound();
5029 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
5031 if(bookHit) { // [HGM] book: simulate book reply
5032 static char bookMove[MSG_SIZ]; // a bit generous?
5034 programStats.nodes = programStats.depth = programStats.time =
5035 programStats.score = programStats.got_only_move = 0;
5036 sprintf(programStats.movelist, "%s (xbook)", bookHit);
5038 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
5039 strcat(bookMove, bookHit);
5040 HandleMachineMove(bookMove, &first);
5049 if (appData.icsActive && gameMode != IcsIdle && ics_gamenum > 0) {
5050 ics_getting_history = H_REQUESTED;
5051 snprintf(buf, MSG_SIZ, "%smoves %d\n", ics_prefix, ics_gamenum);
5057 SendToBoth (char *msg)
5058 { // to make it easy to keep two engines in step in dual analysis
5059 SendToProgram(msg, &first);
5060 if(second.analyzing) SendToProgram(msg, &second);
5064 AnalysisPeriodicEvent (int force)
5066 if (((programStats.ok_to_send == 0 || programStats.line_is_book)
5067 && !force) || !appData.periodicUpdates)
5070 /* Send . command to Crafty to collect stats */
5073 /* Don't send another until we get a response (this makes
5074 us stop sending to old Crafty's which don't understand
5075 the "." command (sending illegal cmds resets node count & time,
5076 which looks bad)) */
5077 programStats.ok_to_send = 0;
5081 ics_update_width (int new_width)
5083 ics_printf("set width %d\n", new_width);
5087 SendMoveToProgram (int moveNum, ChessProgramState *cps)
5091 if(moveList[moveNum][1] == '@' && moveList[moveNum][0] == '@') {
5092 if(gameInfo.variant == VariantLion || gameInfo.variant == VariantChuChess || gameInfo.variant == VariantChu) {
5093 sprintf(buf, "%s@@@@\n", cps->useUsermove ? "usermove " : "");
5094 SendToProgram(buf, cps);
5097 // null move in variant where engine does not understand it (for analysis purposes)
5098 SendBoard(cps, moveNum + 1); // send position after move in stead.
5101 if (cps->useUsermove) {
5102 SendToProgram("usermove ", cps);
5106 if ((space = strchr(parseList[moveNum], ' ')) != NULL) {
5107 int len = space - parseList[moveNum];
5108 memcpy(buf, parseList[moveNum], len);
5110 buf[len] = NULLCHAR;
5112 snprintf(buf, MSG_SIZ,"%s\n", parseList[moveNum]);
5114 SendToProgram(buf, cps);
5116 if(cps->alphaRank) { /* [HGM] shogi: temporarily convert to shogi coordinates before sending */
5117 AlphaRank(moveList[moveNum], 4);
5118 SendToProgram(moveList[moveNum], cps);
5119 AlphaRank(moveList[moveNum], 4); // and back
5121 /* Added by Tord: Send castle moves in "O-O" in FRC games if required by
5122 * the engine. It would be nice to have a better way to identify castle
5124 if(appData.fischerCastling && cps->useOOCastle) {
5125 int fromX = moveList[moveNum][0] - AAA;
5126 int fromY = moveList[moveNum][1] - ONE;
5127 int toX = moveList[moveNum][2] - AAA;
5128 int toY = moveList[moveNum][3] - ONE;
5129 if((boards[moveNum][fromY][fromX] == WhiteKing
5130 && boards[moveNum][toY][toX] == WhiteRook)
5131 || (boards[moveNum][fromY][fromX] == BlackKing
5132 && boards[moveNum][toY][toX] == BlackRook)) {
5133 if(toX > fromX) SendToProgram("O-O\n", cps);
5134 else SendToProgram("O-O-O\n", cps);
5136 else SendToProgram(moveList[moveNum], cps);
5138 if(moveList[moveNum][4] == ';') { // [HGM] lion: move is double-step over intermediate square
5139 snprintf(buf, MSG_SIZ, "%c%d%c%d,%c%d%c%d\n", moveList[moveNum][0], moveList[moveNum][1] - '0', // convert to two moves
5140 moveList[moveNum][5], moveList[moveNum][6] - '0',
5141 moveList[moveNum][5], moveList[moveNum][6] - '0',
5142 moveList[moveNum][2], moveList[moveNum][3] - '0');
5143 SendToProgram(buf, cps);
5145 if(BOARD_HEIGHT > 10) { // [HGM] big: convert ranks to double-digit where needed
5146 if(moveList[moveNum][1] == '@' && (BOARD_HEIGHT < 16 || moveList[moveNum][0] <= 'Z')) { // drop move
5147 if(moveList[moveNum][0]== '@') snprintf(buf, MSG_SIZ, "@@@@\n"); else
5148 snprintf(buf, MSG_SIZ, "%c@%c%d%s", moveList[moveNum][0],
5149 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5151 snprintf(buf, MSG_SIZ, "%c%d%c%d%s", moveList[moveNum][0], moveList[moveNum][1] - '0',
5152 moveList[moveNum][2], moveList[moveNum][3] - '0', moveList[moveNum]+4);
5153 SendToProgram(buf, cps);
5155 else SendToProgram(moveList[moveNum], cps);
5156 /* End of additions by Tord */
5159 /* [HGM] setting up the opening has brought engine in force mode! */
5160 /* Send 'go' if we are in a mode where machine should play. */
5161 if( (moveNum == 0 && setboardSpoiledMachineBlack && cps == &first) &&
5162 (gameMode == TwoMachinesPlay ||
5164 gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite ||
5166 gameMode == MachinePlaysBlack || gameMode == MachinePlaysWhite) ) {
5167 SendToProgram("go\n", cps);
5168 if (appData.debugMode) {
5169 fprintf(debugFP, "(extra)\n");
5172 setboardSpoiledMachineBlack = 0;
5176 SendMoveToICS (ChessMove moveType, int fromX, int fromY, int toX, int toY, char promoChar)
5178 char user_move[MSG_SIZ];
5181 if(gameInfo.variant == VariantSChess && promoChar) {
5182 snprintf(suffix, 4, "=%c", toX == BOARD_WIDTH<<1 ? ToUpper(promoChar) : ToLower(promoChar));
5183 if(moveType == NormalMove) moveType = WhitePromotion; // kludge to do gating
5184 } else suffix[0] = NULLCHAR;
5188 snprintf(user_move, MSG_SIZ, _("say Internal error; bad moveType %d (%d,%d-%d,%d)"),
5189 (int)moveType, fromX, fromY, toX, toY);
5190 DisplayError(user_move + strlen("say "), 0);
5192 case WhiteKingSideCastle:
5193 case BlackKingSideCastle:
5194 case WhiteQueenSideCastleWild:
5195 case BlackQueenSideCastleWild:
5197 case WhiteHSideCastleFR:
5198 case BlackHSideCastleFR:
5200 snprintf(user_move, MSG_SIZ, "o-o%s\n", suffix);
5202 case WhiteQueenSideCastle:
5203 case BlackQueenSideCastle:
5204 case WhiteKingSideCastleWild:
5205 case BlackKingSideCastleWild:
5207 case WhiteASideCastleFR:
5208 case BlackASideCastleFR:
5210 snprintf(user_move, MSG_SIZ, "o-o-o%s\n",suffix);
5212 case WhiteNonPromotion:
5213 case BlackNonPromotion:
5214 sprintf(user_move, "%c%c%c%c==\n", AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5216 case WhitePromotion:
5217 case BlackPromotion:
5218 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
5219 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
5220 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5221 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5222 PieceToChar(WhiteFerz));
5223 else if(gameInfo.variant == VariantGreat)
5224 snprintf(user_move, MSG_SIZ,"%c%c%c%c=%c\n",
5225 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5226 PieceToChar(WhiteMan));
5228 snprintf(user_move, MSG_SIZ, "%c%c%c%c=%c\n",
5229 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY,
5235 snprintf(user_move, MSG_SIZ, "%c@%c%c\n",
5236 ToUpper(PieceToChar((ChessSquare) fromX)),
5237 AAA + toX, ONE + toY);
5239 case IllegalMove: /* could be a variant we don't quite understand */
5240 if(fromY == DROP_RANK) goto drop; // We need 'IllegalDrop' move type?
5242 case WhiteCapturesEnPassant:
5243 case BlackCapturesEnPassant:
5244 snprintf(user_move, MSG_SIZ,"%c%c%c%c\n",
5245 AAA + fromX, ONE + fromY, AAA + toX, ONE + toY);
5248 SendToICS(user_move);
5249 if(appData.keepAlive) // [HGM] alive: schedule sending of dummy 'date' command
5250 ScheduleDelayedEvent(KeepAlive, appData.keepAlive*60*1000);
5255 { // [HGM] upload: send entire stored game to ICS as long-algebraic moves.
5256 int i, last = forwardMostMove; // make sure ICS reply cannot pre-empt us by clearing fmm
5257 static char *castlingStrings[4] = { "none", "kside", "qside", "both" };
5258 if(gameMode == IcsObserving || gameMode == IcsPlayingBlack || gameMode == IcsPlayingWhite) {
5259 DisplayError(_("You cannot do this while you are playing or observing"), 0);
5262 if(gameMode != IcsExamining) { // is this ever not the case?
5263 char buf[MSG_SIZ], *p, *fen, command[MSG_SIZ], bsetup = 0;
5265 if(ics_type == ICS_ICC) { // on ICC match ourselves in applicable variant
5266 snprintf(command,MSG_SIZ, "match %s", ics_handle);
5267 } else { // on FICS we must first go to general examine mode
5268 safeStrCpy(command, "examine\nbsetup", sizeof(command)/sizeof(command[0])); // and specify variant within it with bsetups
5270 if(gameInfo.variant != VariantNormal) {
5271 // try figure out wild number, as xboard names are not always valid on ICS
5272 for(i=1; i<=36; i++) {
5273 snprintf(buf, MSG_SIZ, "wild/%d", i);
5274 if(StringToVariant(buf) == gameInfo.variant) break;
5276 if(i<=36 && ics_type == ICS_ICC) snprintf(buf, MSG_SIZ,"%s w%d\n", command, i);
5277 else if(i == 22) snprintf(buf,MSG_SIZ, "%s fr\n", command);
5278 else snprintf(buf, MSG_SIZ,"%s %s\n", command, VariantName(gameInfo.variant));
5279 } else snprintf(buf, MSG_SIZ,"%s\n", ics_type == ICS_ICC ? command : "examine\n"); // match yourself or examine
5280 SendToICS(ics_prefix);
5282 if(startedFromSetupPosition || backwardMostMove != 0) {
5283 fen = PositionToFEN(backwardMostMove, NULL, 1);
5284 if(ics_type == ICS_ICC) { // on ICC we can simply send a complete FEN to set everything
5285 snprintf(buf, MSG_SIZ,"loadfen %s\n", fen);
5287 } else { // FICS: everything has to set by separate bsetup commands
5288 p = strchr(fen, ' '); p[0] = NULLCHAR; // cut after board
5289 snprintf(buf, MSG_SIZ,"bsetup fen %s\n", fen);
5291 if(!WhiteOnMove(backwardMostMove)) {
5292 SendToICS("bsetup tomove black\n");
5294 i = (strchr(p+3, 'K') != NULL) + 2*(strchr(p+3, 'Q') != NULL);
5295 snprintf(buf, MSG_SIZ,"bsetup wcastle %s\n", castlingStrings[i]);
5297 i = (strchr(p+3, 'k') != NULL) + 2*(strchr(p+3, 'q') != NULL);
5298 snprintf(buf, MSG_SIZ, "bsetup bcastle %s\n", castlingStrings[i]);
5300 i = boards[backwardMostMove][EP_STATUS];
5301 if(i >= 0) { // set e.p.
5302 snprintf(buf, MSG_SIZ,"bsetup eppos %c\n", i+AAA);
5308 if(bsetup || ics_type != ICS_ICC && gameInfo.variant != VariantNormal)
5309 SendToICS("bsetup done\n"); // switch to normal examining.
5311 for(i = backwardMostMove; i<last; i++) {
5313 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s\n", parseList[i]);
5314 if((*buf == 'b' || *buf == 'B') && buf[1] == 'x') { // work-around for stupid FICS bug, which thinks bxc3 can be a Bishop move
5315 int len = strlen(moveList[i]);
5316 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"%s", moveList[i]); // use long algebraic
5317 if(!isdigit(buf[len-2])) snprintf(buf+len-2, 20-len, "=%c\n", ToUpper(buf[len-2])); // promotion must have '=' in ICS format
5321 SendToICS(ics_prefix);
5322 SendToICS(ics_type == ICS_ICC ? "tag result Game in progress\n" : "commit\n");
5325 int killX = -1, killY = -1; // [HGM] lion: used for passing e.p. capture square to MakeMove
5328 CoordsToComputerAlgebraic (int rf, int ff, int rt, int ft, char promoChar, char move[7])
5330 if (rf == DROP_RANK) {
5331 if(ff == EmptySquare) sprintf(move, "@@@@\n"); else // [HGM] pass
5332 sprintf(move, "%c@%c%c\n",
5333 ToUpper(PieceToChar((ChessSquare) ff)), AAA + ft, ONE + rt);
5335 if (promoChar == 'x' || promoChar == NULLCHAR) {
5336 sprintf(move, "%c%c%c%c\n",
5337 AAA + ff, ONE + rf, AAA + ft, ONE + rt);
5338 if(killX >= 0 && killY >= 0) sprintf(move+4, ";%c%c\n", AAA + killX, ONE + killY);
5340 sprintf(move, "%c%c%c%c%c\n",
5341 AAA + ff, ONE + rf, AAA + ft, ONE + rt, promoChar);
5347 ProcessICSInitScript (FILE *f)
5351 while (fgets(buf, MSG_SIZ, f)) {
5352 SendToICSDelayed(buf,(long)appData.msLoginDelay);
5359 static int lastX, lastY, lastLeftX, lastLeftY, selectFlag;
5361 static ClickType lastClickType;
5364 Partner (ChessSquare *p)
5365 { // change piece into promotion partner if one shogi-promotes to the other
5366 int stride = gameInfo.variant == VariantChu ? 22 : 11;
5367 ChessSquare partner;
5368 partner = (*p/stride & 1 ? *p - stride : *p + stride);
5369 if(PieceToChar(*p) != '+' && PieceToChar(partner) != '+') return 0;
5377 ChessSquare king = WhiteKing, pawn = WhitePawn, last = promoSweep;
5378 static int toggleFlag;
5379 if(gameInfo.variant == VariantKnightmate) king = WhiteUnicorn;
5380 if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway) king = EmptySquare;
5381 if(promoSweep >= BlackPawn) king = WHITE_TO_BLACK king, pawn = WHITE_TO_BLACK pawn;
5382 if(gameInfo.variant == VariantSpartan && pawn == BlackPawn) pawn = BlackLance, king = EmptySquare;
5383 if(fromY != BOARD_HEIGHT-2 && fromY != 1 && gameInfo.variant != VariantChuChess) pawn = EmptySquare;
5384 if(!step) toggleFlag = Partner(&last); // piece has shogi-promotion
5386 if(step && !(toggleFlag && Partner(&promoSweep))) promoSweep -= step;
5387 if(promoSweep == EmptySquare) promoSweep = BlackPawn; // wrap
5388 else if((int)promoSweep == -1) promoSweep = WhiteKing;
5389 else if(promoSweep == BlackPawn && step < 0) promoSweep = WhitePawn;
5390 else if(promoSweep == WhiteKing && step > 0) promoSweep = BlackKing;
5391 if(!step) step = -1;
5392 } while(PieceToChar(promoSweep) == '.' || PieceToChar(promoSweep) == '~' || promoSweep == pawn ||
5393 !toggleFlag && PieceToChar(promoSweep) == '+' || // skip promoted versions of other
5394 appData.testLegality && (promoSweep == king || gameInfo.variant != VariantChuChess &&
5395 (promoSweep == WhiteLion || promoSweep == BlackLion)));
5397 int victim = boards[currentMove][toY][toX];
5398 boards[currentMove][toY][toX] = promoSweep;
5399 DrawPosition(FALSE, boards[currentMove]);
5400 boards[currentMove][toY][toX] = victim;
5402 ChangeDragPiece(promoSweep);
5406 PromoScroll (int x, int y)
5410 if(promoSweep == EmptySquare || !appData.sweepSelect) return FALSE;
5411 if(abs(x - lastX) < 25 && abs(y - lastY) < 25) return FALSE;
5412 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5413 if(!step) return FALSE;
5414 lastX = x; lastY = y;
5415 if((promoSweep < BlackPawn) == flipView) step = -step;
5416 if(step > 0) selectFlag = 1;
5417 if(!selectFlag) Sweep(step);
5422 NextPiece (int step)
5424 ChessSquare piece = boards[currentMove][toY][toX];
5427 if(pieceSweep == EmptySquare) pieceSweep = WhitePawn; // wrap
5428 if((int)pieceSweep == -1) pieceSweep = BlackKing;
5429 if(!step) step = -1;
5430 } while(PieceToChar(pieceSweep) == '.');
5431 boards[currentMove][toY][toX] = pieceSweep;
5432 DrawPosition(FALSE, boards[currentMove]);
5433 boards[currentMove][toY][toX] = piece;
5435 /* [HGM] Shogi move preprocessor: swap digits for letters, vice versa */
5437 AlphaRank (char *move, int n)
5439 // char *p = move, c; int x, y;
5441 if (appData.debugMode) {
5442 fprintf(debugFP, "alphaRank(%s,%d)\n", move, n);
5446 move[2]>='0' && move[2]<='9' &&
5447 move[3]>='a' && move[3]<='x' ) {
5449 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5450 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5452 if(move[0]>='0' && move[0]<='9' &&
5453 move[1]>='a' && move[1]<='x' &&
5454 move[2]>='0' && move[2]<='9' &&
5455 move[3]>='a' && move[3]<='x' ) {
5456 /* input move, Shogi -> normal */
5457 move[0] = BOARD_RGHT -1 - (move[0]-'1') + AAA;
5458 move[1] = BOARD_HEIGHT-1 - (move[1]-'a') + ONE;
5459 move[2] = BOARD_RGHT -1 - (move[2]-'1') + AAA;
5460 move[3] = BOARD_HEIGHT-1 - (move[3]-'a') + ONE;
5463 move[3]>='0' && move[3]<='9' &&
5464 move[2]>='a' && move[2]<='x' ) {
5466 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5467 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5470 move[0]>='a' && move[0]<='x' &&
5471 move[3]>='0' && move[3]<='9' &&
5472 move[2]>='a' && move[2]<='x' ) {
5473 /* output move, normal -> Shogi */
5474 move[0] = BOARD_RGHT - 1 - (move[0]-AAA) + '1';
5475 move[1] = BOARD_HEIGHT-1 - (move[1]-ONE) + 'a';
5476 move[2] = BOARD_RGHT - 1 - (move[2]-AAA) + '1';
5477 move[3] = BOARD_HEIGHT-1 - (move[3]-ONE) + 'a';
5478 if(move[4] == PieceToChar(BlackQueen)) move[4] = '+';
5480 if (appData.debugMode) {
5481 fprintf(debugFP, " out = '%s'\n", move);
5485 char yy_textstr[8000];
5487 /* Parser for moves from gnuchess, ICS, or user typein box */
5489 ParseOneMove (char *move, int moveNum, ChessMove *moveType, int *fromX, int *fromY, int *toX, int *toY, char *promoChar)
5491 *moveType = yylexstr(moveNum, move, yy_textstr, sizeof yy_textstr);
5493 switch (*moveType) {
5494 case WhitePromotion:
5495 case BlackPromotion:
5496 case WhiteNonPromotion:
5497 case BlackNonPromotion:
5500 case WhiteCapturesEnPassant:
5501 case BlackCapturesEnPassant:
5502 case WhiteKingSideCastle:
5503 case WhiteQueenSideCastle:
5504 case BlackKingSideCastle:
5505 case BlackQueenSideCastle:
5506 case WhiteKingSideCastleWild:
5507 case WhiteQueenSideCastleWild:
5508 case BlackKingSideCastleWild:
5509 case BlackQueenSideCastleWild:
5510 /* Code added by Tord: */
5511 case WhiteHSideCastleFR:
5512 case WhiteASideCastleFR:
5513 case BlackHSideCastleFR:
5514 case BlackASideCastleFR:
5515 /* End of code added by Tord */
5516 case IllegalMove: /* bug or odd chess variant */
5517 *fromX = currentMoveString[0] - AAA;
5518 *fromY = currentMoveString[1] - ONE;
5519 *toX = currentMoveString[2] - AAA;
5520 *toY = currentMoveString[3] - ONE;
5521 *promoChar = currentMoveString[4];
5522 if (*fromX < BOARD_LEFT || *fromX >= BOARD_RGHT || *fromY < 0 || *fromY >= BOARD_HEIGHT ||
5523 *toX < BOARD_LEFT || *toX >= BOARD_RGHT || *toY < 0 || *toY >= BOARD_HEIGHT) {
5524 if (appData.debugMode) {
5525 fprintf(debugFP, "Off-board move (%d,%d)-(%d,%d)%c, type = %d\n", *fromX, *fromY, *toX, *toY, *promoChar, *moveType);
5527 *fromX = *fromY = *toX = *toY = 0;
5530 if (appData.testLegality) {
5531 return (*moveType != IllegalMove);
5533 return !(*fromX == *toX && *fromY == *toY && killX < 0) && boards[moveNum][*fromY][*fromX] != EmptySquare &&
5534 // [HGM] lion: if this is a double move we are less critical
5535 WhiteOnMove(moveNum) == (boards[moveNum][*fromY][*fromX] < BlackPawn);
5540 *fromX = *moveType == WhiteDrop ?
5541 (int) CharToPiece(ToUpper(currentMoveString[0])) :
5542 (int) CharToPiece(ToLower(currentMoveString[0]));
5544 *toX = currentMoveString[2] - AAA;
5545 *toY = currentMoveString[3] - ONE;
5546 *promoChar = NULLCHAR;
5550 case ImpossibleMove:
5560 if (appData.debugMode) {
5561 fprintf(debugFP, "Impossible move %s, type = %d\n", currentMoveString, *moveType);
5564 *fromX = *fromY = *toX = *toY = 0;
5565 *promoChar = NULLCHAR;
5570 Boolean pushed = FALSE;
5571 char *lastParseAttempt;
5574 ParsePV (char *pv, Boolean storeComments, Boolean atEnd)
5575 { // Parse a string of PV moves, and append to current game, behind forwardMostMove
5576 int fromX, fromY, toX, toY; char promoChar;
5581 lastParseAttempt = pv; if(!*pv) return; // turns out we crash when we parse an empty PV
5582 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) && currentMove < forwardMostMove) {
5583 PushInner(currentMove, forwardMostMove); // [HGM] engine might not be thinking on forwardMost position!
5586 endPV = forwardMostMove;
5588 while(*pv == ' ' || *pv == '\n' || *pv == '\t') pv++; // must still read away whitespace
5589 if(nr == 0 && !storeComments && *pv == '(') pv++; // first (ponder) move can be in parentheses
5590 lastParseAttempt = pv;
5591 valid = ParseOneMove(pv, endPV, &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
5592 if(!valid && nr == 0 &&
5593 ParseOneMove(pv, endPV-1, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)){
5594 nr++; moveType = Comment; // First move has been played; kludge to make sure we continue
5595 // Hande case where played move is different from leading PV move
5596 CopyBoard(boards[endPV+1], boards[endPV-1]); // tentatively unplay last game move
5597 CopyBoard(boards[endPV+2], boards[endPV-1]); // and play first move of PV
5598 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV+2]);
5599 if(!CompareBoards(boards[endPV], boards[endPV+2])) {
5600 endPV += 2; // if position different, keep this
5601 moveList[endPV-1][0] = fromX + AAA;
5602 moveList[endPV-1][1] = fromY + ONE;
5603 moveList[endPV-1][2] = toX + AAA;
5604 moveList[endPV-1][3] = toY + ONE;
5605 parseList[endPV-1][0] = NULLCHAR;
5606 safeStrCpy(moveList[endPV-2], "_0_0", sizeof(moveList[endPV-2])/sizeof(moveList[endPV-2][0])); // suppress premove highlight on takeback move
5609 pv = strstr(pv, yy_textstr) + strlen(yy_textstr); // skip what we parsed
5610 if(nr == 0 && !storeComments && *pv == ')') pv++; // closing parenthesis of ponder move;
5611 if(moveType == Comment && storeComments) AppendComment(endPV, yy_textstr, FALSE);
5612 if(moveType == Comment || moveType == NAG || moveType == ElapsedTime) {
5613 valid++; // allow comments in PV
5617 if(endPV+1 > framePtr) break; // no space, truncate
5620 CopyBoard(boards[endPV], boards[endPV-1]);
5621 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[endPV]);
5622 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, moveList[endPV - 1]);
5623 strncat(moveList[endPV-1], "\n", MOVE_LEN);
5624 CoordsToAlgebraic(boards[endPV - 1],
5625 PosFlags(endPV - 1),
5626 fromY, fromX, toY, toX, promoChar,
5627 parseList[endPV - 1]);
5629 if(atEnd == 2) return; // used hidden, for PV conversion
5630 currentMove = (atEnd || endPV == forwardMostMove) ? endPV : forwardMostMove + 1;
5631 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5632 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5633 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5634 DrawPosition(TRUE, boards[currentMove]);
5638 MultiPV (ChessProgramState *cps)
5639 { // check if engine supports MultiPV, and if so, return the number of the option that sets it
5641 for(i=0; i<cps->nrOptions; i++)
5642 if(!strcmp(cps->option[i].name, "MultiPV") && cps->option[i].type == Spin)
5647 Boolean extendGame; // signals to UnLoadPV() if walked part of PV has to be appended to game
5650 LoadMultiPV (int x, int y, char *buf, int index, int *start, int *end, int pane)
5652 int startPV, multi, lineStart, origIndex = index;
5653 char *p, buf2[MSG_SIZ];
5654 ChessProgramState *cps = (pane ? &second : &first);
5656 if(index < 0 || index >= strlen(buf)) return FALSE; // sanity
5657 lastX = x; lastY = y;
5658 while(index > 0 && buf[index-1] != '\n') index--; // beginning of line
5659 lineStart = startPV = index;
5660 while(buf[index] != '\n') if(buf[index++] == '\t') startPV = index;
5661 if(index == startPV && (p = StrCaseStr(buf+index, "PV="))) startPV = p - buf + 3;
5663 do{ while(buf[index] && buf[index] != '\n') index++;
5664 } while(buf[index] == '\n' && buf[index+1] == '\\' && buf[index+2] == ' ' && index++); // join kibitzed PV continuation line
5666 if(lineStart == 0 && gameMode == AnalyzeMode && (multi = MultiPV(cps)) >= 0) {
5667 int n = cps->option[multi].value;
5668 if(origIndex > 17 && origIndex < 24) { if(n>1) n--; } else if(origIndex > index - 6) n++;
5669 snprintf(buf2, MSG_SIZ, "option MultiPV=%d\n", n);
5670 if(cps->option[multi].value != n) SendToProgram(buf2, cps);
5671 cps->option[multi].value = n;
5674 } else if(strstr(buf+lineStart, "exclude:") == buf+lineStart) { // exclude moves clicked
5675 ExcludeClick(origIndex - lineStart);
5677 } else if(!strncmp(buf+lineStart, "dep\t", 4)) { // column headers clicked
5678 Collapse(origIndex - lineStart);
5681 ParsePV(buf+startPV, FALSE, gameMode != AnalyzeMode);
5682 *start = startPV; *end = index-1;
5683 extendGame = (gameMode == AnalyzeMode && appData.autoExtend);
5690 static char buf[10*MSG_SIZ];
5691 int i, k=0, savedEnd=endPV, saveFMM = forwardMostMove;
5693 if(forwardMostMove < endPV) PushInner(forwardMostMove, endPV); // shelve PV of PV-walk
5694 ParsePV(pv, FALSE, 2); // this appends PV to game, suppressing any display of it
5695 for(i = forwardMostMove; i<endPV; i++){
5696 if(i&1) snprintf(buf+k, 10*MSG_SIZ-k, "%s ", parseList[i]);
5697 else snprintf(buf+k, 10*MSG_SIZ-k, "%d. %s ", i/2 + 1, parseList[i]);
5700 snprintf(buf+k, 10*MSG_SIZ-k, "%s", lastParseAttempt); // if we ran into stuff that could not be parsed, print it verbatim
5701 if(pushed) { PopInner(0); pushed = FALSE; } // restore game continuation shelved by ParsePV
5702 if(forwardMostMove < savedEnd) { PopInner(0); forwardMostMove = saveFMM; } // PopInner would set fmm to endPV!
5708 LoadPV (int x, int y)
5709 { // called on right mouse click to load PV
5710 int which = gameMode == TwoMachinesPlay && (WhiteOnMove(forwardMostMove) == (second.twoMachinesColor[0] == 'w'));
5711 lastX = x; lastY = y;
5712 ParsePV(lastPV[which], FALSE, TRUE); // load the PV of the thinking engine in the boards array.
5720 int oldFMM = forwardMostMove; // N.B.: this was currentMove before PV was loaded!
5721 if(endPV < 0) return;
5722 if(appData.autoCopyPV) CopyFENToClipboard();
5724 if(extendGame && currentMove > forwardMostMove) {
5725 Boolean saveAnimate = appData.animate;
5727 if(shiftKey && storedGames < MAX_VARIATIONS-2) { // wants to start variation, and there is space
5728 if(storedGames == 1) GreyRevert(FALSE); // we already pushed the tail, so just make it official
5729 } else storedGames--; // abandon shelved tail of original game
5732 forwardMostMove = currentMove;
5733 currentMove = oldFMM;
5734 appData.animate = FALSE;
5735 ToNrEvent(forwardMostMove);
5736 appData.animate = saveAnimate;
5738 currentMove = forwardMostMove;
5739 if(pushed) { PopInner(0); pushed = FALSE; } // restore shelved game continuation
5740 ClearPremoveHighlights();
5741 DrawPosition(TRUE, boards[currentMove]);
5745 MovePV (int x, int y, int h)
5746 { // step through PV based on mouse coordinates (called on mouse move)
5747 int margin = h>>3, step = 0, threshold = (pieceSweep == EmptySquare ? 10 : 15);
5749 // we must somehow check if right button is still down (might be released off board!)
5750 if(endPV < 0 && pieceSweep == EmptySquare) return; // needed in XBoard because lastX/Y is shared :-(
5751 if(abs(x - lastX) < threshold && abs(y - lastY) < threshold) return;
5752 if( y > lastY + 2 ) step = -1; else if(y < lastY - 2) step = 1;
5754 lastX = x; lastY = y;
5756 if(pieceSweep != EmptySquare) { NextPiece(step); return; }
5757 if(endPV < 0) return;
5758 if(y < margin) step = 1; else
5759 if(y > h - margin) step = -1;
5760 if(currentMove + step > endPV || currentMove + step < forwardMostMove) step = 0;
5761 currentMove += step;
5762 if(currentMove == forwardMostMove) ClearPremoveHighlights(); else
5763 SetPremoveHighlights(moveList[currentMove-1][0]-AAA, moveList[currentMove-1][1]-ONE,
5764 moveList[currentMove-1][2]-AAA, moveList[currentMove-1][3]-ONE);
5765 DrawPosition(FALSE, boards[currentMove]);
5769 // [HGM] shuffle: a general way to suffle opening setups, applicable to arbitrary variants.
5770 // All positions will have equal probability, but the current method will not provide a unique
5771 // numbering scheme for arrays that contain 3 or more pieces of the same kind.
5777 int piecesLeft[(int)BlackPawn];
5778 int seed, nrOfShuffles;
5781 GetPositionNumber ()
5782 { // sets global variable seed
5785 seed = appData.defaultFrcPosition;
5786 if(seed < 0) { // randomize based on time for negative FRC position numbers
5787 for(i=0; i<50; i++) seed += random();
5788 seed = random() ^ random() >> 8 ^ random() << 8;
5789 if(seed<0) seed = -seed;
5794 put (Board board, int pieceType, int rank, int n, int shade)
5795 // put the piece on the (n-1)-th empty squares of the given shade
5799 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
5800 if( (((i-BOARD_LEFT)&1)+1) & shade && board[rank][i] == EmptySquare && n-- == 0) {
5801 board[rank][i] = (ChessSquare) pieceType;
5802 squaresLeft[((i-BOARD_LEFT)&1) + 1]--;
5804 piecesLeft[pieceType]--;
5813 AddOnePiece (Board board, int pieceType, int rank, int shade)
5814 // calculate where the next piece goes, (any empty square), and put it there
5818 i = seed % squaresLeft[shade];
5819 nrOfShuffles *= squaresLeft[shade];
5820 seed /= squaresLeft[shade];
5821 put(board, pieceType, rank, i, shade);
5825 AddTwoPieces (Board board, int pieceType, int rank)
5826 // calculate where the next 2 identical pieces go, (any empty square), and put it there
5828 int i, n=squaresLeft[ANY], j=n-1, k;
5830 k = n*(n-1)/2; // nr of possibilities, not counting permutations
5831 i = seed % k; // pick one
5834 while(i >= j) i -= j--;
5835 j = n - 1 - j; i += j;
5836 put(board, pieceType, rank, j, ANY);
5837 put(board, pieceType, rank, i, ANY);
5841 SetUpShuffle (Board board, int number)
5845 GetPositionNumber(); nrOfShuffles = 1;
5847 squaresLeft[DARK] = (BOARD_RGHT - BOARD_LEFT + 1)/2;
5848 squaresLeft[ANY] = BOARD_RGHT - BOARD_LEFT;
5849 squaresLeft[LITE] = squaresLeft[ANY] - squaresLeft[DARK];
5851 for(p = 0; p<=(int)WhiteKing; p++) piecesLeft[p] = 0;
5853 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // count pieces and clear board
5854 p = (int) board[0][i];
5855 if(p < (int) BlackPawn) piecesLeft[p] ++;
5856 board[0][i] = EmptySquare;
5859 if(PosFlags(0) & F_ALL_CASTLE_OK) {
5860 // shuffles restricted to allow normal castling put KRR first
5861 if(piecesLeft[(int)WhiteKing]) // King goes rightish of middle
5862 put(board, WhiteKing, 0, (gameInfo.boardWidth+1)/2, ANY);
5863 else if(piecesLeft[(int)WhiteUnicorn]) // in Knightmate Unicorn castles
5864 put(board, WhiteUnicorn, 0, (gameInfo.boardWidth+1)/2, ANY);
5865 if(piecesLeft[(int)WhiteRook]) // First supply a Rook for K-side castling
5866 put(board, WhiteRook, 0, gameInfo.boardWidth-2, ANY);
5867 if(piecesLeft[(int)WhiteRook]) // Then supply a Rook for Q-side castling
5868 put(board, WhiteRook, 0, 0, ANY);
5869 // in variants with super-numerary Kings and Rooks, we leave these for the shuffle
5872 if(((BOARD_RGHT-BOARD_LEFT) & 1) == 0)
5873 // only for even boards make effort to put pairs of colorbound pieces on opposite colors
5874 for(p = (int) WhiteKing; p > (int) WhitePawn; p--) {
5875 if(p != (int) WhiteBishop && p != (int) WhiteFerz && p != (int) WhiteAlfil) continue;
5876 while(piecesLeft[p] >= 2) {
5877 AddOnePiece(board, p, 0, LITE);
5878 AddOnePiece(board, p, 0, DARK);
5880 // Odd color-bound pieces are shuffled with the rest (to not run out of paired squares)
5883 for(p = (int) WhiteKing - 2; p > (int) WhitePawn; p--) {
5884 // Remaining pieces (non-colorbound, or odd color bound) can be put anywhere
5885 // but we leave King and Rooks for last, to possibly obey FRC restriction
5886 if(p == (int)WhiteRook) continue;
5887 while(piecesLeft[p] >= 2) AddTwoPieces(board, p, 0); // add in pairs, for not counting permutations
5888 if(piecesLeft[p]) AddOnePiece(board, p, 0, ANY); // add the odd piece
5891 // now everything is placed, except perhaps King (Unicorn) and Rooks
5893 if(PosFlags(0) & F_FRC_TYPE_CASTLING) {
5894 // Last King gets castling rights
5895 while(piecesLeft[(int)WhiteUnicorn]) {
5896 i = put(board, WhiteUnicorn, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5897 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5900 while(piecesLeft[(int)WhiteKing]) {
5901 i = put(board, WhiteKing, 0, piecesLeft[(int)WhiteRook]/2, ANY);
5902 initialRights[2] = initialRights[5] = board[CASTLING][2] = board[CASTLING][5] = i;
5907 while(piecesLeft[(int)WhiteKing]) AddOnePiece(board, WhiteKing, 0, ANY);
5908 while(piecesLeft[(int)WhiteUnicorn]) AddOnePiece(board, WhiteUnicorn, 0, ANY);
5911 // Only Rooks can be left; simply place them all
5912 while(piecesLeft[(int)WhiteRook]) {
5913 i = put(board, WhiteRook, 0, 0, ANY);
5914 if(PosFlags(0) & F_FRC_TYPE_CASTLING) { // first and last Rook get FRC castling rights
5917 initialRights[1] = initialRights[4] = board[CASTLING][1] = board[CASTLING][4] = i;
5919 initialRights[0] = initialRights[3] = board[CASTLING][0] = board[CASTLING][3] = i;
5922 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // copy black from white
5923 board[BOARD_HEIGHT-1][i] = (int) board[0][i] < BlackPawn ? WHITE_TO_BLACK board[0][i] : EmptySquare;
5926 if(number >= 0) appData.defaultFrcPosition %= nrOfShuffles; // normalize
5930 SetCharTable (char *table, const char * map)
5931 /* [HGM] moved here from winboard.c because of its general usefulness */
5932 /* Basically a safe strcpy that uses the last character as King */
5934 int result = FALSE; int NrPieces;
5936 if( map != NULL && (NrPieces=strlen(map)) <= (int) EmptySquare
5937 && NrPieces >= 12 && !(NrPieces&1)) {
5938 int i; /* [HGM] Accept even length from 12 to 34 */
5940 for( i=0; i<(int) EmptySquare; i++ ) table[i] = '.';
5941 for( i=0; i<NrPieces/2-1; i++ ) {
5943 table[i + (int)BlackPawn - (int) WhitePawn] = map[i+NrPieces/2];
5945 table[(int) WhiteKing] = map[NrPieces/2-1];
5946 table[(int) BlackKing] = map[NrPieces-1];
5955 Prelude (Board board)
5956 { // [HGM] superchess: random selection of exo-pieces
5957 int i, j, k; ChessSquare p;
5958 static ChessSquare exoPieces[4] = { WhiteAngel, WhiteMarshall, WhiteSilver, WhiteLance };
5960 GetPositionNumber(); // use FRC position number
5962 if(appData.pieceToCharTable != NULL) { // select pieces to participate from given char table
5963 SetCharTable(pieceToChar, appData.pieceToCharTable);
5964 for(i=(int)WhiteQueen+1, j=0; i<(int)WhiteKing && j<4; i++)
5965 if(PieceToChar((ChessSquare)i) != '.') exoPieces[j++] = (ChessSquare) i;
5968 j = seed%4; seed /= 4;
5969 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5970 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5971 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5972 j = seed%3 + (seed%3 >= j); seed /= 3;
5973 p = board[0][BOARD_LEFT+j]; board[0][BOARD_LEFT+j] = EmptySquare; k = PieceToNumber(p);
5974 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5975 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5976 j = seed%3; seed /= 3;
5977 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5978 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5979 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5980 j = seed%2 + (seed%2 >= j); seed /= 2;
5981 p = board[0][BOARD_LEFT+j+5]; board[0][BOARD_LEFT+j+5] = EmptySquare; k = PieceToNumber(p);
5982 board[k][BOARD_WIDTH-1] = p; board[k][BOARD_WIDTH-2]++;
5983 board[BOARD_HEIGHT-1-k][0] = WHITE_TO_BLACK p; board[BOARD_HEIGHT-1-k][1]++;
5984 j = seed%4; seed /= 4; put(board, exoPieces[3], 0, j, ANY);
5985 j = seed%3; seed /= 3; put(board, exoPieces[2], 0, j, ANY);
5986 j = seed%2; seed /= 2; put(board, exoPieces[1], 0, j, ANY);
5987 put(board, exoPieces[0], 0, 0, ANY);
5988 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) board[BOARD_HEIGHT-1][i] = WHITE_TO_BLACK board[0][i];
5992 InitPosition (int redraw)
5994 ChessSquare (* pieces)[BOARD_FILES];
5995 int i, j, pawnRow=1, pieceRows=1, overrule,
5996 oldx = gameInfo.boardWidth,
5997 oldy = gameInfo.boardHeight,
5998 oldh = gameInfo.holdingsWidth;
6001 if(appData.icsActive) shuffleOpenings = appData.fischerCastling = FALSE; // [HGM] shuffle: in ICS mode, only shuffle on ICS request
6003 /* [AS] Initialize pv info list [HGM] and game status */
6005 for( i=0; i<=framePtr; i++ ) { // [HGM] vari: spare saved variations
6006 pvInfoList[i].depth = 0;
6007 boards[i][EP_STATUS] = EP_NONE;
6008 for( j=0; j<BOARD_FILES-2; j++ ) boards[i][CASTLING][j] = NoRights;
6011 initialRulePlies = 0; /* 50-move counter start */
6013 castlingRank[0] = castlingRank[1] = castlingRank[2] = 0;
6014 castlingRank[3] = castlingRank[4] = castlingRank[5] = BOARD_HEIGHT-1;
6018 /* [HGM] logic here is completely changed. In stead of full positions */
6019 /* the initialized data only consist of the two backranks. The switch */
6020 /* selects which one we will use, which is than copied to the Board */
6021 /* initialPosition, which for the rest is initialized by Pawns and */
6022 /* empty squares. This initial position is then copied to boards[0], */
6023 /* possibly after shuffling, so that it remains available. */
6025 gameInfo.holdingsWidth = 0; /* default board sizes */
6026 gameInfo.boardWidth = 8;
6027 gameInfo.boardHeight = 8;
6028 gameInfo.holdingsSize = 0;
6029 nrCastlingRights = -1; /* [HGM] Kludge to indicate default should be used */
6030 for(i=0; i<BOARD_FILES-2; i++)
6031 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6032 initialPosition[EP_STATUS] = EP_NONE;
6033 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
6034 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6035 SetCharTable(pieceNickName, appData.pieceNickNames);
6036 else SetCharTable(pieceNickName, "............");
6039 switch (gameInfo.variant) {
6040 case VariantFischeRandom:
6041 shuffleOpenings = TRUE;
6042 appData.fischerCastling = TRUE;
6045 case VariantShatranj:
6046 pieces = ShatranjArray;
6047 nrCastlingRights = 0;
6048 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6051 pieces = makrukArray;
6052 nrCastlingRights = 0;
6053 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6056 pieces = aseanArray;
6057 nrCastlingRights = 0;
6058 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6060 case VariantTwoKings:
6061 pieces = twoKingsArray;
6064 pieces = GrandArray;
6065 nrCastlingRights = 0;
6066 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6067 gameInfo.boardWidth = 10;
6068 gameInfo.boardHeight = 10;
6069 gameInfo.holdingsSize = 7;
6071 case VariantCapaRandom:
6072 shuffleOpenings = TRUE;
6073 appData.fischerCastling = TRUE;
6074 case VariantCapablanca:
6075 pieces = CapablancaArray;
6076 gameInfo.boardWidth = 10;
6077 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6080 pieces = GothicArray;
6081 gameInfo.boardWidth = 10;
6082 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6085 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6086 gameInfo.holdingsSize = 7;
6087 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6090 pieces = JanusArray;
6091 gameInfo.boardWidth = 10;
6092 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6093 nrCastlingRights = 6;
6094 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6095 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6096 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6097 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6098 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6099 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6102 pieces = FalconArray;
6103 gameInfo.boardWidth = 10;
6104 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
6106 case VariantXiangqi:
6107 pieces = XiangqiArray;
6108 gameInfo.boardWidth = 9;
6109 gameInfo.boardHeight = 10;
6110 nrCastlingRights = 0;
6111 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6114 pieces = ShogiArray;
6115 gameInfo.boardWidth = 9;
6116 gameInfo.boardHeight = 9;
6117 gameInfo.holdingsSize = 7;
6118 nrCastlingRights = 0;
6119 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6122 pieces = ChuArray; pieceRows = 3;
6123 gameInfo.boardWidth = 12;
6124 gameInfo.boardHeight = 12;
6125 nrCastlingRights = 0;
6126 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6127 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6129 case VariantCourier:
6130 pieces = CourierArray;
6131 gameInfo.boardWidth = 12;
6132 nrCastlingRights = 0;
6133 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6135 case VariantKnightmate:
6136 pieces = KnightmateArray;
6137 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6139 case VariantSpartan:
6140 pieces = SpartanArray;
6141 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6145 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6147 case VariantChuChess:
6148 pieces = ChuChessArray;
6149 gameInfo.boardWidth = 10;
6150 gameInfo.boardHeight = 10;
6151 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6154 pieces = fairyArray;
6155 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6158 pieces = GreatArray;
6159 gameInfo.boardWidth = 10;
6160 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6161 gameInfo.holdingsSize = 8;
6165 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6166 gameInfo.holdingsSize = 8;
6167 startedFromSetupPosition = TRUE;
6169 case VariantCrazyhouse:
6170 case VariantBughouse:
6172 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6173 gameInfo.holdingsSize = 5;
6175 case VariantWildCastle:
6177 /* !!?shuffle with kings guaranteed to be on d or e file */
6178 shuffleOpenings = 1;
6180 case VariantNoCastle:
6182 nrCastlingRights = 0;
6183 /* !!?unconstrained back-rank shuffle */
6184 shuffleOpenings = 1;
6189 if(appData.NrFiles >= 0) {
6190 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6191 gameInfo.boardWidth = appData.NrFiles;
6193 if(appData.NrRanks >= 0) {
6194 gameInfo.boardHeight = appData.NrRanks;
6196 if(appData.holdingsSize >= 0) {
6197 i = appData.holdingsSize;
6198 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6199 gameInfo.holdingsSize = i;
6201 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6202 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6203 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6205 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6206 if(pawnRow < 1) pawnRow = 1;
6207 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6208 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6209 if(gameInfo.variant == VariantChu) pawnRow = 3;
6211 /* User pieceToChar list overrules defaults */
6212 if(appData.pieceToCharTable != NULL)
6213 SetCharTable(pieceToChar, appData.pieceToCharTable);
6215 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6217 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6218 s = (ChessSquare) 0; /* account holding counts in guard band */
6219 for( i=0; i<BOARD_HEIGHT; i++ )
6220 initialPosition[i][j] = s;
6222 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6223 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6224 initialPosition[pawnRow][j] = WhitePawn;
6225 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6226 if(gameInfo.variant == VariantXiangqi) {
6228 initialPosition[pawnRow][j] =
6229 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6230 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6231 initialPosition[2][j] = WhiteCannon;
6232 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6236 if(gameInfo.variant == VariantChu) {
6237 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6238 initialPosition[pawnRow+1][j] = WhiteCobra,
6239 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6240 for(i=1; i<pieceRows; i++) {
6241 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6242 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6245 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6246 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6247 initialPosition[0][j] = WhiteRook;
6248 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6251 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6253 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6254 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6257 initialPosition[1][j] = WhiteBishop;
6258 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6260 initialPosition[1][j] = WhiteRook;
6261 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6264 if( nrCastlingRights == -1) {
6265 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6266 /* This sets default castling rights from none to normal corners */
6267 /* Variants with other castling rights must set them themselves above */
6268 nrCastlingRights = 6;
6270 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6271 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6272 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6273 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6274 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6275 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6278 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6279 if(gameInfo.variant == VariantGreat) { // promotion commoners
6280 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6281 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6282 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6283 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6285 if( gameInfo.variant == VariantSChess ) {
6286 initialPosition[1][0] = BlackMarshall;
6287 initialPosition[2][0] = BlackAngel;
6288 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6289 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6290 initialPosition[1][1] = initialPosition[2][1] =
6291 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6293 if (appData.debugMode) {
6294 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6296 if(shuffleOpenings) {
6297 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6298 startedFromSetupPosition = TRUE;
6300 if(startedFromPositionFile) {
6301 /* [HGM] loadPos: use PositionFile for every new game */
6302 CopyBoard(initialPosition, filePosition);
6303 for(i=0; i<nrCastlingRights; i++)
6304 initialRights[i] = filePosition[CASTLING][i];
6305 startedFromSetupPosition = TRUE;
6308 CopyBoard(boards[0], initialPosition);
6310 if(oldx != gameInfo.boardWidth ||
6311 oldy != gameInfo.boardHeight ||
6312 oldv != gameInfo.variant ||
6313 oldh != gameInfo.holdingsWidth
6315 InitDrawingSizes(-2 ,0);
6317 oldv = gameInfo.variant;
6319 DrawPosition(TRUE, boards[currentMove]);
6323 SendBoard (ChessProgramState *cps, int moveNum)
6325 char message[MSG_SIZ];
6327 if (cps->useSetboard) {
6328 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6329 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6330 SendToProgram(message, cps);
6335 int i, j, left=0, right=BOARD_WIDTH;
6336 /* Kludge to set black to move, avoiding the troublesome and now
6337 * deprecated "black" command.
6339 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6340 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6342 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6344 SendToProgram("edit\n", cps);
6345 SendToProgram("#\n", cps);
6346 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6347 bp = &boards[moveNum][i][left];
6348 for (j = left; j < right; j++, bp++) {
6349 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6350 if ((int) *bp < (int) BlackPawn) {
6351 if(j == BOARD_RGHT+1)
6352 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6353 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6354 if(message[0] == '+' || message[0] == '~') {
6355 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6356 PieceToChar((ChessSquare)(DEMOTED *bp)),
6359 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6360 message[1] = BOARD_RGHT - 1 - j + '1';
6361 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6363 SendToProgram(message, cps);
6368 SendToProgram("c\n", cps);
6369 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6370 bp = &boards[moveNum][i][left];
6371 for (j = left; j < right; j++, bp++) {
6372 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6373 if (((int) *bp != (int) EmptySquare)
6374 && ((int) *bp >= (int) BlackPawn)) {
6375 if(j == BOARD_LEFT-2)
6376 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6377 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6379 if(message[0] == '+' || message[0] == '~') {
6380 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6381 PieceToChar((ChessSquare)(DEMOTED *bp)),
6384 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6385 message[1] = BOARD_RGHT - 1 - j + '1';
6386 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6388 SendToProgram(message, cps);
6393 SendToProgram(".\n", cps);
6395 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6398 char exclusionHeader[MSG_SIZ];
6399 int exCnt, excludePtr;
6400 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6401 static Exclusion excluTab[200];
6402 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6408 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6409 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6415 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6416 excludePtr = 24; exCnt = 0;
6421 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6422 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6423 char buf[2*MOVE_LEN], *p;
6424 Exclusion *e = excluTab;
6426 for(i=0; i<exCnt; i++)
6427 if(e[i].ff == fromX && e[i].fr == fromY &&
6428 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6429 if(i == exCnt) { // was not in exclude list; add it
6430 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6431 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6432 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6435 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6436 excludePtr++; e[i].mark = excludePtr++;
6437 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6440 exclusionHeader[e[i].mark] = state;
6444 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6445 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6449 if((signed char)promoChar == -1) { // kludge to indicate best move
6450 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6451 return 1; // if unparsable, abort
6453 // update exclusion map (resolving toggle by consulting existing state)
6454 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6456 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6457 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6458 excludeMap[k] |= 1<<j;
6459 else excludeMap[k] &= ~(1<<j);
6461 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6463 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6464 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6466 return (state == '+');
6470 ExcludeClick (int index)
6473 Exclusion *e = excluTab;
6474 if(index < 25) { // none, best or tail clicked
6475 if(index < 13) { // none: include all
6476 WriteMap(0); // clear map
6477 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6478 SendToBoth("include all\n"); // and inform engine
6479 } else if(index > 18) { // tail
6480 if(exclusionHeader[19] == '-') { // tail was excluded
6481 SendToBoth("include all\n");
6482 WriteMap(0); // clear map completely
6483 // now re-exclude selected moves
6484 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6485 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6486 } else { // tail was included or in mixed state
6487 SendToBoth("exclude all\n");
6488 WriteMap(0xFF); // fill map completely
6489 // now re-include selected moves
6490 j = 0; // count them
6491 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6492 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6493 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6496 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6499 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6500 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6501 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6508 DefaultPromoChoice (int white)
6511 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6512 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6513 result = WhiteFerz; // no choice
6514 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6515 result= WhiteKing; // in Suicide Q is the last thing we want
6516 else if(gameInfo.variant == VariantSpartan)
6517 result = white ? WhiteQueen : WhiteAngel;
6518 else result = WhiteQueen;
6519 if(!white) result = WHITE_TO_BLACK result;
6523 static int autoQueen; // [HGM] oneclick
6526 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6528 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6529 /* [HGM] add Shogi promotions */
6530 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6531 ChessSquare piece, partner;
6535 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6536 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6538 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6539 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6542 piece = boards[currentMove][fromY][fromX];
6543 if(gameInfo.variant == VariantChu) {
6544 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6545 promotionZoneSize = BOARD_HEIGHT/3;
6546 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6547 } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
6548 promotionZoneSize = BOARD_HEIGHT/3;
6549 highestPromotingPiece = (int)WhiteAlfil;
6550 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6551 promotionZoneSize = 3;
6554 // Treat Lance as Pawn when it is not representing Amazon or Lance
6555 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6556 if(piece == WhiteLance) piece = WhitePawn; else
6557 if(piece == BlackLance) piece = BlackPawn;
6560 // next weed out all moves that do not touch the promotion zone at all
6561 if((int)piece >= BlackPawn) {
6562 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6564 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6565 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6567 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6568 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6569 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6573 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6575 // weed out mandatory Shogi promotions
6576 if(gameInfo.variant == VariantShogi) {
6577 if(piece >= BlackPawn) {
6578 if(toY == 0 && piece == BlackPawn ||
6579 toY == 0 && piece == BlackQueen ||
6580 toY <= 1 && piece == BlackKnight) {
6585 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6586 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6587 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6594 // weed out obviously illegal Pawn moves
6595 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6596 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6597 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6598 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6599 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6600 // note we are not allowed to test for valid (non-)capture, due to premove
6603 // we either have a choice what to promote to, or (in Shogi) whether to promote
6604 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6605 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6606 ChessSquare p=BlackFerz; // no choice
6607 while(p < EmptySquare) { //but make sure we use piece that exists
6608 *promoChoice = PieceToChar(p++);
6609 if(*promoChoice != '.') break;
6613 // no sense asking what we must promote to if it is going to explode...
6614 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6615 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6618 // give caller the default choice even if we will not make it
6619 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6620 partner = piece; // pieces can promote if the pieceToCharTable says so
6621 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6622 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6623 if( sweepSelect && gameInfo.variant != VariantGreat
6624 && gameInfo.variant != VariantGrand
6625 && gameInfo.variant != VariantSuper) return FALSE;
6626 if(autoQueen) return FALSE; // predetermined
6628 // suppress promotion popup on illegal moves that are not premoves
6629 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6630 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6631 if(appData.testLegality && !premove) {
6632 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6633 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6634 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6635 if(moveType != WhitePromotion && moveType != BlackPromotion)
6643 InPalace (int row, int column)
6644 { /* [HGM] for Xiangqi */
6645 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6646 column < (BOARD_WIDTH + 4)/2 &&
6647 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6652 PieceForSquare (int x, int y)
6654 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6657 return boards[currentMove][y][x];
6661 OKToStartUserMove (int x, int y)
6663 ChessSquare from_piece;
6666 if (matchMode) return FALSE;
6667 if (gameMode == EditPosition) return TRUE;
6669 if (x >= 0 && y >= 0)
6670 from_piece = boards[currentMove][y][x];
6672 from_piece = EmptySquare;
6674 if (from_piece == EmptySquare) return FALSE;
6676 white_piece = (int)from_piece >= (int)WhitePawn &&
6677 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6681 case TwoMachinesPlay:
6689 case MachinePlaysWhite:
6690 case IcsPlayingBlack:
6691 if (appData.zippyPlay) return FALSE;
6693 DisplayMoveError(_("You are playing Black"));
6698 case MachinePlaysBlack:
6699 case IcsPlayingWhite:
6700 if (appData.zippyPlay) return FALSE;
6702 DisplayMoveError(_("You are playing White"));
6707 case PlayFromGameFile:
6708 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6710 if (!white_piece && WhiteOnMove(currentMove)) {
6711 DisplayMoveError(_("It is White's turn"));
6714 if (white_piece && !WhiteOnMove(currentMove)) {
6715 DisplayMoveError(_("It is Black's turn"));
6718 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6719 /* Editing correspondence game history */
6720 /* Could disallow this or prompt for confirmation */
6725 case BeginningOfGame:
6726 if (appData.icsActive) return FALSE;
6727 if (!appData.noChessProgram) {
6729 DisplayMoveError(_("You are playing White"));
6736 if (!white_piece && WhiteOnMove(currentMove)) {
6737 DisplayMoveError(_("It is White's turn"));
6740 if (white_piece && !WhiteOnMove(currentMove)) {
6741 DisplayMoveError(_("It is Black's turn"));
6750 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6751 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6752 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6753 && gameMode != AnalyzeFile && gameMode != Training) {
6754 DisplayMoveError(_("Displayed position is not current"));
6761 OnlyMove (int *x, int *y, Boolean captures)
6763 DisambiguateClosure cl;
6764 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6766 case MachinePlaysBlack:
6767 case IcsPlayingWhite:
6768 case BeginningOfGame:
6769 if(!WhiteOnMove(currentMove)) return FALSE;
6771 case MachinePlaysWhite:
6772 case IcsPlayingBlack:
6773 if(WhiteOnMove(currentMove)) return FALSE;
6780 cl.pieceIn = EmptySquare;
6785 cl.promoCharIn = NULLCHAR;
6786 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6787 if( cl.kind == NormalMove ||
6788 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6789 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6790 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6797 if(cl.kind != ImpossibleMove) return FALSE;
6798 cl.pieceIn = EmptySquare;
6803 cl.promoCharIn = NULLCHAR;
6804 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6805 if( cl.kind == NormalMove ||
6806 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6807 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6808 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6813 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6819 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6820 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6821 int lastLoadGameUseList = FALSE;
6822 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6823 ChessMove lastLoadGameStart = EndOfFile;
6825 Boolean addToBookFlag;
6828 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6832 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6834 /* Check if the user is playing in turn. This is complicated because we
6835 let the user "pick up" a piece before it is his turn. So the piece he
6836 tried to pick up may have been captured by the time he puts it down!
6837 Therefore we use the color the user is supposed to be playing in this
6838 test, not the color of the piece that is currently on the starting
6839 square---except in EditGame mode, where the user is playing both
6840 sides; fortunately there the capture race can't happen. (It can
6841 now happen in IcsExamining mode, but that's just too bad. The user
6842 will get a somewhat confusing message in that case.)
6847 case TwoMachinesPlay:
6851 /* We switched into a game mode where moves are not accepted,
6852 perhaps while the mouse button was down. */
6855 case MachinePlaysWhite:
6856 /* User is moving for Black */
6857 if (WhiteOnMove(currentMove)) {
6858 DisplayMoveError(_("It is White's turn"));
6863 case MachinePlaysBlack:
6864 /* User is moving for White */
6865 if (!WhiteOnMove(currentMove)) {
6866 DisplayMoveError(_("It is Black's turn"));
6871 case PlayFromGameFile:
6872 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6875 case BeginningOfGame:
6878 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6879 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6880 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6881 /* User is moving for Black */
6882 if (WhiteOnMove(currentMove)) {
6883 DisplayMoveError(_("It is White's turn"));
6887 /* User is moving for White */
6888 if (!WhiteOnMove(currentMove)) {
6889 DisplayMoveError(_("It is Black's turn"));
6895 case IcsPlayingBlack:
6896 /* User is moving for Black */
6897 if (WhiteOnMove(currentMove)) {
6898 if (!appData.premove) {
6899 DisplayMoveError(_("It is White's turn"));
6900 } else if (toX >= 0 && toY >= 0) {
6903 premoveFromX = fromX;
6904 premoveFromY = fromY;
6905 premovePromoChar = promoChar;
6907 if (appData.debugMode)
6908 fprintf(debugFP, "Got premove: fromX %d,"
6909 "fromY %d, toX %d, toY %d\n",
6910 fromX, fromY, toX, toY);
6916 case IcsPlayingWhite:
6917 /* User is moving for White */
6918 if (!WhiteOnMove(currentMove)) {
6919 if (!appData.premove) {
6920 DisplayMoveError(_("It is Black's turn"));
6921 } else if (toX >= 0 && toY >= 0) {
6924 premoveFromX = fromX;
6925 premoveFromY = fromY;
6926 premovePromoChar = promoChar;
6928 if (appData.debugMode)
6929 fprintf(debugFP, "Got premove: fromX %d,"
6930 "fromY %d, toX %d, toY %d\n",
6931 fromX, fromY, toX, toY);
6941 /* EditPosition, empty square, or different color piece;
6942 click-click move is possible */
6943 if (toX == -2 || toY == -2) {
6944 boards[0][fromY][fromX] = EmptySquare;
6945 DrawPosition(FALSE, boards[currentMove]);
6947 } else if (toX >= 0 && toY >= 0) {
6948 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
6949 ChessSquare q, p = boards[0][rf][ff];
6950 if(p >= BlackPawn) p = BLACK_TO_WHITE p;
6951 if(CHUPROMOTED p < BlackPawn) p = q = CHUPROMOTED boards[0][rf][ff];
6952 else p = CHUDEMOTED (q = boards[0][rf][ff]);
6953 if(PieceToChar(q) == '+') gatingPiece = p;
6955 boards[0][toY][toX] = boards[0][fromY][fromX];
6956 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6957 if(boards[0][fromY][0] != EmptySquare) {
6958 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6959 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6962 if(fromX == BOARD_RGHT+1) {
6963 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6964 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6965 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6968 boards[0][fromY][fromX] = gatingPiece;
6969 DrawPosition(FALSE, boards[currentMove]);
6975 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
6976 pup = boards[currentMove][toY][toX];
6978 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6979 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6980 if( pup != EmptySquare ) return;
6981 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6982 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6983 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6984 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6985 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6986 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6987 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6991 /* [HGM] always test for legality, to get promotion info */
6992 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6993 fromY, fromX, toY, toX, promoChar);
6995 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
6997 /* [HGM] but possibly ignore an IllegalMove result */
6998 if (appData.testLegality) {
6999 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7000 DisplayMoveError(_("Illegal move"));
7005 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7006 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7007 ClearPremoveHighlights(); // was included
7008 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7012 if(addToBookFlag) { // adding moves to book
7013 char buf[MSG_SIZ], move[MSG_SIZ];
7014 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7015 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7017 addToBookFlag = FALSE;
7022 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7025 /* Common tail of UserMoveEvent and DropMenuEvent */
7027 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7031 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7032 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7033 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7034 if(WhiteOnMove(currentMove)) {
7035 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7037 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7041 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7042 move type in caller when we know the move is a legal promotion */
7043 if(moveType == NormalMove && promoChar)
7044 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7046 /* [HGM] <popupFix> The following if has been moved here from
7047 UserMoveEvent(). Because it seemed to belong here (why not allow
7048 piece drops in training games?), and because it can only be
7049 performed after it is known to what we promote. */
7050 if (gameMode == Training) {
7051 /* compare the move played on the board to the next move in the
7052 * game. If they match, display the move and the opponent's response.
7053 * If they don't match, display an error message.
7057 CopyBoard(testBoard, boards[currentMove]);
7058 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7060 if (CompareBoards(testBoard, boards[currentMove+1])) {
7061 ForwardInner(currentMove+1);
7063 /* Autoplay the opponent's response.
7064 * if appData.animate was TRUE when Training mode was entered,
7065 * the response will be animated.
7067 saveAnimate = appData.animate;
7068 appData.animate = animateTraining;
7069 ForwardInner(currentMove+1);
7070 appData.animate = saveAnimate;
7072 /* check for the end of the game */
7073 if (currentMove >= forwardMostMove) {
7074 gameMode = PlayFromGameFile;
7076 SetTrainingModeOff();
7077 DisplayInformation(_("End of game"));
7080 DisplayError(_("Incorrect move"), 0);
7085 /* Ok, now we know that the move is good, so we can kill
7086 the previous line in Analysis Mode */
7087 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7088 && currentMove < forwardMostMove) {
7089 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7090 else forwardMostMove = currentMove;
7095 /* If we need the chess program but it's dead, restart it */
7096 ResurrectChessProgram();
7098 /* A user move restarts a paused game*/
7102 thinkOutput[0] = NULLCHAR;
7104 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7106 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7107 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7111 if (gameMode == BeginningOfGame) {
7112 if (appData.noChessProgram) {
7113 gameMode = EditGame;
7117 gameMode = MachinePlaysBlack;
7120 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7122 if (first.sendName) {
7123 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7124 SendToProgram(buf, &first);
7131 /* Relay move to ICS or chess engine */
7132 if (appData.icsActive) {
7133 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7134 gameMode == IcsExamining) {
7135 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7136 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7138 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7140 // also send plain move, in case ICS does not understand atomic claims
7141 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7145 if (first.sendTime && (gameMode == BeginningOfGame ||
7146 gameMode == MachinePlaysWhite ||
7147 gameMode == MachinePlaysBlack)) {
7148 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7150 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7151 // [HGM] book: if program might be playing, let it use book
7152 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7153 first.maybeThinking = TRUE;
7154 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7155 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7156 SendBoard(&first, currentMove+1);
7157 if(second.analyzing) {
7158 if(!second.useSetboard) SendToProgram("undo\n", &second);
7159 SendBoard(&second, currentMove+1);
7162 SendMoveToProgram(forwardMostMove-1, &first);
7163 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7165 if (currentMove == cmailOldMove + 1) {
7166 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7170 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7174 if(appData.testLegality)
7175 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7181 if (WhiteOnMove(currentMove)) {
7182 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7184 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7188 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7193 case MachinePlaysBlack:
7194 case MachinePlaysWhite:
7195 /* disable certain menu options while machine is thinking */
7196 SetMachineThinkingEnables();
7203 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7204 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7206 if(bookHit) { // [HGM] book: simulate book reply
7207 static char bookMove[MSG_SIZ]; // a bit generous?
7209 programStats.nodes = programStats.depth = programStats.time =
7210 programStats.score = programStats.got_only_move = 0;
7211 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7213 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7214 strcat(bookMove, bookHit);
7215 HandleMachineMove(bookMove, &first);
7221 MarkByFEN(char *fen)
7224 if(!appData.markers || !appData.highlightDragging) return;
7225 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7226 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7230 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7231 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7232 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7233 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7234 if(*fen == 'T') marker[r][f++] = 0; else
7235 if(*fen == 'Y') marker[r][f++] = 1; else
7236 if(*fen == 'G') marker[r][f++] = 3; else
7237 if(*fen == 'B') marker[r][f++] = 4; else
7238 if(*fen == 'C') marker[r][f++] = 5; else
7239 if(*fen == 'M') marker[r][f++] = 6; else
7240 if(*fen == 'W') marker[r][f++] = 7; else
7241 if(*fen == 'D') marker[r][f++] = 8; else
7242 if(*fen == 'R') marker[r][f++] = 2; else {
7243 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7246 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7250 DrawPosition(TRUE, NULL);
7253 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7256 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7258 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7259 Markers *m = (Markers *) closure;
7260 if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2))
7261 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7262 || kind == WhiteCapturesEnPassant
7263 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0);
7264 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3;
7267 static int hoverSavedValid;
7270 MarkTargetSquares (int clear)
7273 if(clear) { // no reason to ever suppress clearing
7274 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7275 hoverSavedValid = 0;
7276 if(!sum) return; // nothing was cleared,no redraw needed
7279 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7280 !appData.testLegality || gameMode == EditPosition) return;
7281 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7282 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7283 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7285 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7288 DrawPosition(FALSE, NULL);
7292 Explode (Board board, int fromX, int fromY, int toX, int toY)
7294 if(gameInfo.variant == VariantAtomic &&
7295 (board[toY][toX] != EmptySquare || // capture?
7296 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7297 board[fromY][fromX] == BlackPawn )
7299 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7305 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7308 CanPromote (ChessSquare piece, int y)
7310 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7311 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7312 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7313 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7314 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7315 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7316 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7317 return (piece == BlackPawn && y <= zone ||
7318 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7319 piece == BlackLance && y == 1 ||
7320 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7324 HoverEvent (int xPix, int yPix, int x, int y)
7326 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7328 if(!first.highlight) return;
7329 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7330 if(x == oldX && y == oldY) return; // only do something if we enter new square
7331 oldFromX = fromX; oldFromY = fromY;
7332 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7333 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7334 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7335 hoverSavedValid = 1;
7336 } else if(oldX != x || oldY != y) {
7337 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7338 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7339 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7340 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7341 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7343 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7344 SendToProgram(buf, &first);
7347 // SetHighlights(fromX, fromY, x, y);
7351 void ReportClick(char *action, int x, int y)
7353 char buf[MSG_SIZ]; // Inform engine of what user does
7355 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7356 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 1, marker[r][f] = 0;
7357 if(!first.highlight || gameMode == EditPosition) return;
7358 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7359 SendToProgram(buf, &first);
7363 LeftClick (ClickType clickType, int xPix, int yPix)
7366 Boolean saveAnimate;
7367 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7368 char promoChoice = NULLCHAR;
7370 static TimeMark lastClickTime, prevClickTime;
7372 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7374 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7376 if (clickType == Press) ErrorPopDown();
7377 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7379 x = EventToSquare(xPix, BOARD_WIDTH);
7380 y = EventToSquare(yPix, BOARD_HEIGHT);
7381 if (!flipView && y >= 0) {
7382 y = BOARD_HEIGHT - 1 - y;
7384 if (flipView && x >= 0) {
7385 x = BOARD_WIDTH - 1 - x;
7388 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7389 defaultPromoChoice = promoSweep;
7390 promoSweep = EmptySquare; // terminate sweep
7391 promoDefaultAltered = TRUE;
7392 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7395 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7396 if(clickType == Release) return; // ignore upclick of click-click destination
7397 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7398 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7399 if(gameInfo.holdingsWidth &&
7400 (WhiteOnMove(currentMove)
7401 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7402 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7403 // click in right holdings, for determining promotion piece
7404 ChessSquare p = boards[currentMove][y][x];
7405 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7406 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7407 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7408 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7413 DrawPosition(FALSE, boards[currentMove]);
7417 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7418 if(clickType == Press
7419 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7420 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7421 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7424 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7425 // could be static click on premove from-square: abort premove
7427 ClearPremoveHighlights();
7430 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7431 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7433 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7434 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7435 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7436 defaultPromoChoice = DefaultPromoChoice(side);
7439 autoQueen = appData.alwaysPromoteToQueen;
7443 gatingPiece = EmptySquare;
7444 if (clickType != Press) {
7445 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7446 DragPieceEnd(xPix, yPix); dragging = 0;
7447 DrawPosition(FALSE, NULL);
7451 doubleClick = FALSE;
7452 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7453 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7455 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7456 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7457 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7458 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7460 if (OKToStartUserMove(fromX, fromY)) {
7462 ReportClick("lift", x, y);
7463 MarkTargetSquares(0);
7464 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7465 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7466 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7467 promoSweep = defaultPromoChoice;
7468 selectFlag = 0; lastX = xPix; lastY = yPix;
7469 Sweep(0); // Pawn that is going to promote: preview promotion piece
7470 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7472 if (appData.highlightDragging) {
7473 SetHighlights(fromX, fromY, -1, -1);
7477 } else fromX = fromY = -1;
7483 if (clickType == Press && gameMode != EditPosition) {
7488 // ignore off-board to clicks
7489 if(y < 0 || x < 0) return;
7491 /* Check if clicking again on the same color piece */
7492 fromP = boards[currentMove][fromY][fromX];
7493 toP = boards[currentMove][y][x];
7494 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7495 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7496 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7497 WhitePawn <= toP && toP <= WhiteKing &&
7498 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7499 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7500 (BlackPawn <= fromP && fromP <= BlackKing &&
7501 BlackPawn <= toP && toP <= BlackKing &&
7502 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7503 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7504 /* Clicked again on same color piece -- changed his mind */
7505 second = (x == fromX && y == fromY);
7507 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7508 second = FALSE; // first double-click rather than scond click
7509 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7511 promoDefaultAltered = FALSE;
7512 MarkTargetSquares(1);
7513 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7514 if (appData.highlightDragging) {
7515 SetHighlights(x, y, -1, -1);
7519 if (OKToStartUserMove(x, y)) {
7520 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7521 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7522 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7523 gatingPiece = boards[currentMove][fromY][fromX];
7524 else gatingPiece = doubleClick ? fromP : EmptySquare;
7526 fromY = y; dragging = 1;
7527 ReportClick("lift", x, y);
7528 MarkTargetSquares(0);
7529 DragPieceBegin(xPix, yPix, FALSE);
7530 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7531 promoSweep = defaultPromoChoice;
7532 selectFlag = 0; lastX = xPix; lastY = yPix;
7533 Sweep(0); // Pawn that is going to promote: preview promotion piece
7537 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7540 // ignore clicks on holdings
7541 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7544 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7545 DragPieceEnd(xPix, yPix); dragging = 0;
7547 // a deferred attempt to click-click move an empty square on top of a piece
7548 boards[currentMove][y][x] = EmptySquare;
7550 DrawPosition(FALSE, boards[currentMove]);
7551 fromX = fromY = -1; clearFlag = 0;
7554 if (appData.animateDragging) {
7555 /* Undo animation damage if any */
7556 DrawPosition(FALSE, NULL);
7558 if (second || sweepSelecting) {
7559 /* Second up/down in same square; just abort move */
7560 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7561 second = sweepSelecting = 0;
7563 gatingPiece = EmptySquare;
7564 MarkTargetSquares(1);
7567 ClearPremoveHighlights();
7569 /* First upclick in same square; start click-click mode */
7570 SetHighlights(x, y, -1, -1);
7577 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] && (x != killX || y != killY) && !sweepSelecting) {
7578 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7579 DisplayMessage(_("only marked squares are legal"),"");
7580 DrawPosition(TRUE, NULL);
7581 return; // ignore to-click
7584 /* we now have a different from- and (possibly off-board) to-square */
7585 /* Completed move */
7586 if(!sweepSelecting) {
7591 piece = boards[currentMove][fromY][fromX];
7593 saveAnimate = appData.animate;
7594 if (clickType == Press) {
7595 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7596 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7597 // must be Edit Position mode with empty-square selected
7598 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7599 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7602 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7605 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7606 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7608 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7609 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7610 if(appData.sweepSelect) {
7611 promoSweep = defaultPromoChoice;
7612 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7613 selectFlag = 0; lastX = xPix; lastY = yPix;
7614 Sweep(0); // Pawn that is going to promote: preview promotion piece
7616 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7617 MarkTargetSquares(1);
7619 return; // promo popup appears on up-click
7621 /* Finish clickclick move */
7622 if (appData.animate || appData.highlightLastMove) {
7623 SetHighlights(fromX, fromY, toX, toY);
7627 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7628 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7629 if (appData.animate || appData.highlightLastMove) {
7630 SetHighlights(fromX, fromY, toX, toY);
7636 // [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
7637 /* Finish drag move */
7638 if (appData.highlightLastMove) {
7639 SetHighlights(fromX, fromY, toX, toY);
7644 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7645 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7646 dragging *= 2; // flag button-less dragging if we are dragging
7647 MarkTargetSquares(1);
7648 if(x == killX && y == killY) killX = killY = -1; else {
7649 killX = x; killY = y; //remeber this square as intermediate
7650 ReportClick("put", x, y); // and inform engine
7651 ReportClick("lift", x, y);
7652 MarkTargetSquares(0);
7656 DragPieceEnd(xPix, yPix); dragging = 0;
7657 /* Don't animate move and drag both */
7658 appData.animate = FALSE;
7661 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7662 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7663 ChessSquare piece = boards[currentMove][fromY][fromX];
7664 if(gameMode == EditPosition && piece != EmptySquare &&
7665 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7668 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7669 n = PieceToNumber(piece - (int)BlackPawn);
7670 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7671 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7672 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7674 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7675 n = PieceToNumber(piece);
7676 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7677 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7678 boards[currentMove][n][BOARD_WIDTH-2]++;
7680 boards[currentMove][fromY][fromX] = EmptySquare;
7684 MarkTargetSquares(1);
7685 DrawPosition(TRUE, boards[currentMove]);
7689 // off-board moves should not be highlighted
7690 if(x < 0 || y < 0) ClearHighlights();
7691 else ReportClick("put", x, y);
7693 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7695 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7696 SetHighlights(fromX, fromY, toX, toY);
7697 MarkTargetSquares(1);
7698 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7699 // [HGM] super: promotion to captured piece selected from holdings
7700 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7701 promotionChoice = TRUE;
7702 // kludge follows to temporarily execute move on display, without promoting yet
7703 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7704 boards[currentMove][toY][toX] = p;
7705 DrawPosition(FALSE, boards[currentMove]);
7706 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7707 boards[currentMove][toY][toX] = q;
7708 DisplayMessage("Click in holdings to choose piece", "");
7711 PromotionPopUp(promoChoice);
7713 int oldMove = currentMove;
7714 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7715 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7716 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7717 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7718 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7719 DrawPosition(TRUE, boards[currentMove]);
7720 MarkTargetSquares(1);
7723 appData.animate = saveAnimate;
7724 if (appData.animate || appData.animateDragging) {
7725 /* Undo animation damage if needed */
7726 DrawPosition(FALSE, NULL);
7731 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7732 { // front-end-free part taken out of PieceMenuPopup
7733 int whichMenu; int xSqr, ySqr;
7735 if(seekGraphUp) { // [HGM] seekgraph
7736 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7737 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7741 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7742 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7743 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7744 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7745 if(action == Press) {
7746 originalFlip = flipView;
7747 flipView = !flipView; // temporarily flip board to see game from partners perspective
7748 DrawPosition(TRUE, partnerBoard);
7749 DisplayMessage(partnerStatus, "");
7751 } else if(action == Release) {
7752 flipView = originalFlip;
7753 DrawPosition(TRUE, boards[currentMove]);
7759 xSqr = EventToSquare(x, BOARD_WIDTH);
7760 ySqr = EventToSquare(y, BOARD_HEIGHT);
7761 if (action == Release) {
7762 if(pieceSweep != EmptySquare) {
7763 EditPositionMenuEvent(pieceSweep, toX, toY);
7764 pieceSweep = EmptySquare;
7765 } else UnLoadPV(); // [HGM] pv
7767 if (action != Press) return -2; // return code to be ignored
7770 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7772 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7773 if (xSqr < 0 || ySqr < 0) return -1;
7774 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7775 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7776 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7777 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7781 if(!appData.icsEngineAnalyze) return -1;
7782 case IcsPlayingWhite:
7783 case IcsPlayingBlack:
7784 if(!appData.zippyPlay) goto noZip;
7787 case MachinePlaysWhite:
7788 case MachinePlaysBlack:
7789 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7790 if (!appData.dropMenu) {
7792 return 2; // flag front-end to grab mouse events
7794 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7795 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7798 if (xSqr < 0 || ySqr < 0) return -1;
7799 if (!appData.dropMenu || appData.testLegality &&
7800 gameInfo.variant != VariantBughouse &&
7801 gameInfo.variant != VariantCrazyhouse) return -1;
7802 whichMenu = 1; // drop menu
7808 if (((*fromX = xSqr) < 0) ||
7809 ((*fromY = ySqr) < 0)) {
7810 *fromX = *fromY = -1;
7814 *fromX = BOARD_WIDTH - 1 - *fromX;
7816 *fromY = BOARD_HEIGHT - 1 - *fromY;
7822 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7824 // char * hint = lastHint;
7825 FrontEndProgramStats stats;
7827 stats.which = cps == &first ? 0 : 1;
7828 stats.depth = cpstats->depth;
7829 stats.nodes = cpstats->nodes;
7830 stats.score = cpstats->score;
7831 stats.time = cpstats->time;
7832 stats.pv = cpstats->movelist;
7833 stats.hint = lastHint;
7834 stats.an_move_index = 0;
7835 stats.an_move_count = 0;
7837 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7838 stats.hint = cpstats->move_name;
7839 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7840 stats.an_move_count = cpstats->nr_moves;
7843 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
7845 SetProgramStats( &stats );
7849 ClearEngineOutputPane (int which)
7851 static FrontEndProgramStats dummyStats;
7852 dummyStats.which = which;
7853 dummyStats.pv = "#";
7854 SetProgramStats( &dummyStats );
7857 #define MAXPLAYERS 500
7860 TourneyStandings (int display)
7862 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7863 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7864 char result, *p, *names[MAXPLAYERS];
7866 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7867 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7868 names[0] = p = strdup(appData.participants);
7869 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7871 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7873 while(result = appData.results[nr]) {
7874 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7875 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7876 wScore = bScore = 0;
7878 case '+': wScore = 2; break;
7879 case '-': bScore = 2; break;
7880 case '=': wScore = bScore = 1; break;
7882 case '*': return strdup("busy"); // tourney not finished
7890 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7891 for(w=0; w<nPlayers; w++) {
7893 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7894 ranking[w] = b; points[w] = bScore; score[b] = -2;
7896 p = malloc(nPlayers*34+1);
7897 for(w=0; w<nPlayers && w<display; w++)
7898 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7904 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7905 { // count all piece types
7907 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7908 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7909 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7912 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7913 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7914 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7915 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7916 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7917 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7922 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7924 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7925 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7927 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7928 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7929 if(myPawns == 2 && nMine == 3) // KPP
7930 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7931 if(myPawns == 1 && nMine == 2) // KP
7932 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7933 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7934 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7935 if(myPawns) return FALSE;
7936 if(pCnt[WhiteRook+side])
7937 return pCnt[BlackRook-side] ||
7938 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7939 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7940 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7941 if(pCnt[WhiteCannon+side]) {
7942 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7943 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7945 if(pCnt[WhiteKnight+side])
7946 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7951 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7953 VariantClass v = gameInfo.variant;
7955 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7956 if(v == VariantShatranj) return TRUE; // always winnable through baring
7957 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7958 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7960 if(v == VariantXiangqi) {
7961 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7963 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7964 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7965 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7966 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7967 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7968 if(stale) // we have at least one last-rank P plus perhaps C
7969 return majors // KPKX
7970 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7972 return pCnt[WhiteFerz+side] // KCAK
7973 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7974 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7975 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7977 } else if(v == VariantKnightmate) {
7978 if(nMine == 1) return FALSE;
7979 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7980 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7981 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7983 if(nMine == 1) return FALSE; // bare King
7984 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
7985 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7986 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7987 // by now we have King + 1 piece (or multiple Bishops on the same color)
7988 if(pCnt[WhiteKnight+side])
7989 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7990 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7991 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7993 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7994 if(pCnt[WhiteAlfil+side])
7995 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7996 if(pCnt[WhiteWazir+side])
7997 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8004 CompareWithRights (Board b1, Board b2)
8007 if(!CompareBoards(b1, b2)) return FALSE;
8008 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8009 /* compare castling rights */
8010 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8011 rights++; /* King lost rights, while rook still had them */
8012 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8013 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8014 rights++; /* but at least one rook lost them */
8016 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8018 if( b1[CASTLING][5] != NoRights ) {
8019 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8026 Adjudicate (ChessProgramState *cps)
8027 { // [HGM] some adjudications useful with buggy engines
8028 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8029 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8030 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8031 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8032 int k, drop, count = 0; static int bare = 1;
8033 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8034 Boolean canAdjudicate = !appData.icsActive;
8036 // most tests only when we understand the game, i.e. legality-checking on
8037 if( appData.testLegality )
8038 { /* [HGM] Some more adjudications for obstinate engines */
8039 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
8040 static int moveCount = 6;
8042 char *reason = NULL;
8044 /* Count what is on board. */
8045 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8047 /* Some material-based adjudications that have to be made before stalemate test */
8048 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8049 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8050 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8051 if(canAdjudicate && appData.checkMates) {
8053 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8054 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8055 "Xboard adjudication: King destroyed", GE_XBOARD );
8060 /* Bare King in Shatranj (loses) or Losers (wins) */
8061 if( nrW == 1 || nrB == 1) {
8062 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8063 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8064 if(canAdjudicate && appData.checkMates) {
8066 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8067 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8068 "Xboard adjudication: Bare king", GE_XBOARD );
8072 if( gameInfo.variant == VariantShatranj && --bare < 0)
8074 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8075 if(canAdjudicate && appData.checkMates) {
8076 /* but only adjudicate if adjudication enabled */
8078 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8079 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8080 "Xboard adjudication: Bare king", GE_XBOARD );
8087 // don't wait for engine to announce game end if we can judge ourselves
8088 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8090 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8091 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8092 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8093 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8096 reason = "Xboard adjudication: 3rd check";
8097 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8108 reason = "Xboard adjudication: Stalemate";
8109 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8110 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8111 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8112 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8113 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8114 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8115 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8116 EP_CHECKMATE : EP_WINS);
8117 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8118 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8122 reason = "Xboard adjudication: Checkmate";
8123 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8124 if(gameInfo.variant == VariantShogi) {
8125 if(forwardMostMove > backwardMostMove
8126 && moveList[forwardMostMove-1][1] == '@'
8127 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8128 reason = "XBoard adjudication: pawn-drop mate";
8129 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8135 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8137 result = GameIsDrawn; break;
8139 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8141 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8145 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8147 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8148 GameEnds( result, reason, GE_XBOARD );
8152 /* Next absolutely insufficient mating material. */
8153 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8154 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8155 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8157 /* always flag draws, for judging claims */
8158 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8160 if(canAdjudicate && appData.materialDraws) {
8161 /* but only adjudicate them if adjudication enabled */
8162 if(engineOpponent) {
8163 SendToProgram("force\n", engineOpponent); // suppress reply
8164 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8166 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8171 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8172 if(gameInfo.variant == VariantXiangqi ?
8173 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8175 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8176 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8177 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8178 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8180 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8181 { /* if the first 3 moves do not show a tactical win, declare draw */
8182 if(engineOpponent) {
8183 SendToProgram("force\n", engineOpponent); // suppress reply
8184 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8186 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8189 } else moveCount = 6;
8192 // Repetition draws and 50-move rule can be applied independently of legality testing
8194 /* Check for rep-draws */
8196 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8197 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8198 for(k = forwardMostMove-2;
8199 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8200 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8201 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8204 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8205 /* compare castling rights */
8206 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8207 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8208 rights++; /* King lost rights, while rook still had them */
8209 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8210 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8211 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8212 rights++; /* but at least one rook lost them */
8214 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8215 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8217 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8218 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8219 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8222 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8223 && appData.drawRepeats > 1) {
8224 /* adjudicate after user-specified nr of repeats */
8225 int result = GameIsDrawn;
8226 char *details = "XBoard adjudication: repetition draw";
8227 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8228 // [HGM] xiangqi: check for forbidden perpetuals
8229 int m, ourPerpetual = 1, hisPerpetual = 1;
8230 for(m=forwardMostMove; m>k; m-=2) {
8231 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8232 ourPerpetual = 0; // the current mover did not always check
8233 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8234 hisPerpetual = 0; // the opponent did not always check
8236 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8237 ourPerpetual, hisPerpetual);
8238 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8239 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8240 details = "Xboard adjudication: perpetual checking";
8242 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8243 break; // (or we would have caught him before). Abort repetition-checking loop.
8245 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8246 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8248 details = "Xboard adjudication: repetition";
8250 } else // it must be XQ
8251 // Now check for perpetual chases
8252 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8253 hisPerpetual = PerpetualChase(k, forwardMostMove);
8254 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8255 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8256 static char resdet[MSG_SIZ];
8257 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8259 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8261 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8262 break; // Abort repetition-checking loop.
8264 // if neither of us is checking or chasing all the time, or both are, it is draw
8266 if(engineOpponent) {
8267 SendToProgram("force\n", engineOpponent); // suppress reply
8268 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8270 GameEnds( result, details, GE_XBOARD );
8273 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8274 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8278 /* Now we test for 50-move draws. Determine ply count */
8279 count = forwardMostMove;
8280 /* look for last irreversble move */
8281 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8283 /* if we hit starting position, add initial plies */
8284 if( count == backwardMostMove )
8285 count -= initialRulePlies;
8286 count = forwardMostMove - count;
8287 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8288 // adjust reversible move counter for checks in Xiangqi
8289 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8290 if(i < backwardMostMove) i = backwardMostMove;
8291 while(i <= forwardMostMove) {
8292 lastCheck = inCheck; // check evasion does not count
8293 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8294 if(inCheck || lastCheck) count--; // check does not count
8299 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8300 /* this is used to judge if draw claims are legal */
8301 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8302 if(engineOpponent) {
8303 SendToProgram("force\n", engineOpponent); // suppress reply
8304 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8306 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8310 /* if draw offer is pending, treat it as a draw claim
8311 * when draw condition present, to allow engines a way to
8312 * claim draws before making their move to avoid a race
8313 * condition occurring after their move
8315 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8317 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8318 p = "Draw claim: 50-move rule";
8319 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8320 p = "Draw claim: 3-fold repetition";
8321 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8322 p = "Draw claim: insufficient mating material";
8323 if( p != NULL && canAdjudicate) {
8324 if(engineOpponent) {
8325 SendToProgram("force\n", engineOpponent); // suppress reply
8326 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8328 GameEnds( GameIsDrawn, p, GE_XBOARD );
8333 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8334 if(engineOpponent) {
8335 SendToProgram("force\n", engineOpponent); // suppress reply
8336 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8338 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8344 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8345 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8346 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8351 int pieces[10], squares[10], cnt=0, r, f, res;
8353 static PPROBE_EGBB probeBB;
8354 if(!appData.testLegality) return 10;
8355 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8356 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8357 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8358 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8359 ChessSquare piece = boards[forwardMostMove][r][f];
8360 int black = (piece >= BlackPawn);
8361 int type = piece - black*BlackPawn;
8362 if(piece == EmptySquare) continue;
8363 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8364 if(type == WhiteKing) type = WhiteQueen + 1;
8365 type = egbbCode[type];
8366 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8367 pieces[cnt] = type + black*6;
8368 if(++cnt > 5) return 11;
8370 pieces[cnt] = squares[cnt] = 0;
8372 if(loaded == 2) return 13; // loading failed before
8374 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8377 loaded = 2; // prepare for failure
8378 if(!path) return 13; // no egbb installed
8379 strncpy(buf, path + 8, MSG_SIZ);
8380 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8381 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8382 lib = LoadLibrary(buf);
8383 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8384 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8385 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8386 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8387 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8388 loaded = 1; // success!
8390 res = probeBB(forwardMostMove & 1, pieces, squares);
8391 return res > 0 ? 1 : res < 0 ? -1 : 0;
8395 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8396 { // [HGM] book: this routine intercepts moves to simulate book replies
8397 char *bookHit = NULL;
8399 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8401 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8402 SendToProgram(buf, cps);
8404 //first determine if the incoming move brings opponent into his book
8405 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8406 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8407 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8408 if(bookHit != NULL && !cps->bookSuspend) {
8409 // make sure opponent is not going to reply after receiving move to book position
8410 SendToProgram("force\n", cps);
8411 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8413 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8414 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8415 // now arrange restart after book miss
8417 // after a book hit we never send 'go', and the code after the call to this routine
8418 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8419 char buf[MSG_SIZ], *move = bookHit;
8421 int fromX, fromY, toX, toY;
8425 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8426 &fromX, &fromY, &toX, &toY, &promoChar)) {
8427 (void) CoordsToAlgebraic(boards[forwardMostMove],
8428 PosFlags(forwardMostMove),
8429 fromY, fromX, toY, toX, promoChar, move);
8431 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8435 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8436 SendToProgram(buf, cps);
8437 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8438 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8439 SendToProgram("go\n", cps);
8440 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8441 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8442 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8443 SendToProgram("go\n", cps);
8444 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8446 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8450 LoadError (char *errmess, ChessProgramState *cps)
8451 { // unloads engine and switches back to -ncp mode if it was first
8452 if(cps->initDone) return FALSE;
8453 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8454 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8457 appData.noChessProgram = TRUE;
8458 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8459 gameMode = BeginningOfGame; ModeHighlight();
8462 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8463 DisplayMessage("", ""); // erase waiting message
8464 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8469 ChessProgramState *savedState;
8471 DeferredBookMove (void)
8473 if(savedState->lastPing != savedState->lastPong)
8474 ScheduleDelayedEvent(DeferredBookMove, 10);
8476 HandleMachineMove(savedMessage, savedState);
8479 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8480 static ChessProgramState *stalledEngine;
8481 static char stashedInputMove[MSG_SIZ];
8484 HandleMachineMove (char *message, ChessProgramState *cps)
8486 static char firstLeg[20];
8487 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8488 char realname[MSG_SIZ];
8489 int fromX, fromY, toX, toY;
8491 char promoChar, roar;
8493 int machineWhite, oldError;
8496 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8497 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8498 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8499 DisplayError(_("Invalid pairing from pairing engine"), 0);
8502 pairingReceived = 1;
8504 return; // Skim the pairing messages here.
8507 oldError = cps->userError; cps->userError = 0;
8509 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8511 * Kludge to ignore BEL characters
8513 while (*message == '\007') message++;
8516 * [HGM] engine debug message: ignore lines starting with '#' character
8518 if(cps->debug && *message == '#') return;
8521 * Look for book output
8523 if (cps == &first && bookRequested) {
8524 if (message[0] == '\t' || message[0] == ' ') {
8525 /* Part of the book output is here; append it */
8526 strcat(bookOutput, message);
8527 strcat(bookOutput, " \n");
8529 } else if (bookOutput[0] != NULLCHAR) {
8530 /* All of book output has arrived; display it */
8531 char *p = bookOutput;
8532 while (*p != NULLCHAR) {
8533 if (*p == '\t') *p = ' ';
8536 DisplayInformation(bookOutput);
8537 bookRequested = FALSE;
8538 /* Fall through to parse the current output */
8543 * Look for machine move.
8545 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8546 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8548 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8549 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8550 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8551 stalledEngine = cps;
8552 if(appData.ponderNextMove) { // bring opponent out of ponder
8553 if(gameMode == TwoMachinesPlay) {
8554 if(cps->other->pause)
8555 PauseEngine(cps->other);
8557 SendToProgram("easy\n", cps->other);
8564 /* This method is only useful on engines that support ping */
8565 if (cps->lastPing != cps->lastPong) {
8566 if (gameMode == BeginningOfGame) {
8567 /* Extra move from before last new; ignore */
8568 if (appData.debugMode) {
8569 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8572 if (appData.debugMode) {
8573 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8574 cps->which, gameMode);
8577 SendToProgram("undo\n", cps);
8583 case BeginningOfGame:
8584 /* Extra move from before last reset; ignore */
8585 if (appData.debugMode) {
8586 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8593 /* Extra move after we tried to stop. The mode test is
8594 not a reliable way of detecting this problem, but it's
8595 the best we can do on engines that don't support ping.
8597 if (appData.debugMode) {
8598 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8599 cps->which, gameMode);
8601 SendToProgram("undo\n", cps);
8604 case MachinePlaysWhite:
8605 case IcsPlayingWhite:
8606 machineWhite = TRUE;
8609 case MachinePlaysBlack:
8610 case IcsPlayingBlack:
8611 machineWhite = FALSE;
8614 case TwoMachinesPlay:
8615 machineWhite = (cps->twoMachinesColor[0] == 'w');
8618 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8619 if (appData.debugMode) {
8621 "Ignoring move out of turn by %s, gameMode %d"
8622 ", forwardMost %d\n",
8623 cps->which, gameMode, forwardMostMove);
8628 if(cps->alphaRank) AlphaRank(machineMove, 4);
8630 // [HGM] lion: (some very limited) support for Alien protocol
8632 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8633 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8635 } else if(firstLeg[0]) { // there was a previous leg;
8636 // only support case where same piece makes two step (and don't even test that!)
8637 char buf[20], *p = machineMove+1, *q = buf+1, f;
8638 safeStrCpy(buf, machineMove, 20);
8639 while(isdigit(*q)) q++; // find start of to-square
8640 safeStrCpy(machineMove, firstLeg, 20);
8641 while(isdigit(*p)) p++;
8642 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8643 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8644 firstLeg[0] = NULLCHAR;
8647 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8648 &fromX, &fromY, &toX, &toY, &promoChar)) {
8649 /* Machine move could not be parsed; ignore it. */
8650 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8651 machineMove, _(cps->which));
8652 DisplayMoveError(buf1);
8653 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8654 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8655 if (gameMode == TwoMachinesPlay) {
8656 GameEnds(machineWhite ? BlackWins : WhiteWins,
8662 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8663 /* So we have to redo legality test with true e.p. status here, */
8664 /* to make sure an illegal e.p. capture does not slip through, */
8665 /* to cause a forfeit on a justified illegal-move complaint */
8666 /* of the opponent. */
8667 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8669 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8670 fromY, fromX, toY, toX, promoChar);
8671 if(moveType == IllegalMove) {
8672 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8673 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8674 GameEnds(machineWhite ? BlackWins : WhiteWins,
8677 } else if(!appData.fischerCastling)
8678 /* [HGM] Kludge to handle engines that send FRC-style castling
8679 when they shouldn't (like TSCP-Gothic) */
8681 case WhiteASideCastleFR:
8682 case BlackASideCastleFR:
8684 currentMoveString[2]++;
8686 case WhiteHSideCastleFR:
8687 case BlackHSideCastleFR:
8689 currentMoveString[2]--;
8691 default: ; // nothing to do, but suppresses warning of pedantic compilers
8694 hintRequested = FALSE;
8695 lastHint[0] = NULLCHAR;
8696 bookRequested = FALSE;
8697 /* Program may be pondering now */
8698 cps->maybeThinking = TRUE;
8699 if (cps->sendTime == 2) cps->sendTime = 1;
8700 if (cps->offeredDraw) cps->offeredDraw--;
8702 /* [AS] Save move info*/
8703 pvInfoList[ forwardMostMove ].score = programStats.score;
8704 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8705 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8707 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8709 /* Test suites abort the 'game' after one move */
8710 if(*appData.finger) {
8712 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8713 if(!f) f = fopen(appData.finger, "w");
8714 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8715 else { DisplayFatalError("Bad output file", errno, 0); return; }
8717 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8720 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8721 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8724 while( count < adjudicateLossPlies ) {
8725 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8728 score = -score; /* Flip score for winning side */
8730 printf("score=%d count=%d\n",score,count);
8731 if( score > appData.adjudicateLossThreshold ) {
8738 if( count >= adjudicateLossPlies ) {
8739 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8741 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8742 "Xboard adjudication",
8749 if(Adjudicate(cps)) {
8750 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8751 return; // [HGM] adjudicate: for all automatic game ends
8755 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8757 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8758 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8760 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8762 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8764 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8765 char buf[3*MSG_SIZ];
8767 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8768 programStats.score / 100.,
8770 programStats.time / 100.,
8771 (unsigned int)programStats.nodes,
8772 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8773 programStats.movelist);
8779 /* [AS] Clear stats for next move */
8780 ClearProgramStats();
8781 thinkOutput[0] = NULLCHAR;
8782 hiddenThinkOutputState = 0;
8785 if (gameMode == TwoMachinesPlay) {
8786 /* [HGM] relaying draw offers moved to after reception of move */
8787 /* and interpreting offer as claim if it brings draw condition */
8788 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8789 SendToProgram("draw\n", cps->other);
8791 if (cps->other->sendTime) {
8792 SendTimeRemaining(cps->other,
8793 cps->other->twoMachinesColor[0] == 'w');
8795 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8796 if (firstMove && !bookHit) {
8798 if (cps->other->useColors) {
8799 SendToProgram(cps->other->twoMachinesColor, cps->other);
8801 SendToProgram("go\n", cps->other);
8803 cps->other->maybeThinking = TRUE;
8806 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8808 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8810 if (!pausing && appData.ringBellAfterMoves) {
8811 if(!roar) RingBell();
8815 * Reenable menu items that were disabled while
8816 * machine was thinking
8818 if (gameMode != TwoMachinesPlay)
8819 SetUserThinkingEnables();
8821 // [HGM] book: after book hit opponent has received move and is now in force mode
8822 // force the book reply into it, and then fake that it outputted this move by jumping
8823 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8825 static char bookMove[MSG_SIZ]; // a bit generous?
8827 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8828 strcat(bookMove, bookHit);
8831 programStats.nodes = programStats.depth = programStats.time =
8832 programStats.score = programStats.got_only_move = 0;
8833 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8835 if(cps->lastPing != cps->lastPong) {
8836 savedMessage = message; // args for deferred call
8838 ScheduleDelayedEvent(DeferredBookMove, 10);
8847 /* Set special modes for chess engines. Later something general
8848 * could be added here; for now there is just one kludge feature,
8849 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8850 * when "xboard" is given as an interactive command.
8852 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8853 cps->useSigint = FALSE;
8854 cps->useSigterm = FALSE;
8856 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8857 ParseFeatures(message+8, cps);
8858 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8861 if (!strncmp(message, "setup ", 6) &&
8862 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8863 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8864 ) { // [HGM] allow first engine to define opening position
8865 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8866 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8868 if(sscanf(message, "setup (%s", buf) == 1) {
8869 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8870 ASSIGN(appData.pieceToCharTable, buf);
8872 if(startedFromSetupPosition) return;
8873 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8875 while(message[s] && message[s++] != ' ');
8876 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8877 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8878 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8879 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8880 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8881 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8884 ParseFEN(boards[0], &dummy, message+s, FALSE);
8885 DrawPosition(TRUE, boards[0]);
8886 startedFromSetupPosition = TRUE;
8889 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8890 * want this, I was asked to put it in, and obliged.
8892 if (!strncmp(message, "setboard ", 9)) {
8893 Board initial_position;
8895 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8897 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8898 DisplayError(_("Bad FEN received from engine"), 0);
8902 CopyBoard(boards[0], initial_position);
8903 initialRulePlies = FENrulePlies;
8904 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8905 else gameMode = MachinePlaysBlack;
8906 DrawPosition(FALSE, boards[currentMove]);
8912 * Look for communication commands
8914 if (!strncmp(message, "telluser ", 9)) {
8915 if(message[9] == '\\' && message[10] == '\\')
8916 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8918 DisplayNote(message + 9);
8921 if (!strncmp(message, "tellusererror ", 14)) {
8923 if(message[14] == '\\' && message[15] == '\\')
8924 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8926 DisplayError(message + 14, 0);
8929 if (!strncmp(message, "tellopponent ", 13)) {
8930 if (appData.icsActive) {
8932 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8936 DisplayNote(message + 13);
8940 if (!strncmp(message, "tellothers ", 11)) {
8941 if (appData.icsActive) {
8943 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8946 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8949 if (!strncmp(message, "tellall ", 8)) {
8950 if (appData.icsActive) {
8952 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8956 DisplayNote(message + 8);
8960 if (strncmp(message, "warning", 7) == 0) {
8961 /* Undocumented feature, use tellusererror in new code */
8962 DisplayError(message, 0);
8965 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8966 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8967 strcat(realname, " query");
8968 AskQuestion(realname, buf2, buf1, cps->pr);
8971 /* Commands from the engine directly to ICS. We don't allow these to be
8972 * sent until we are logged on. Crafty kibitzes have been known to
8973 * interfere with the login process.
8976 if (!strncmp(message, "tellics ", 8)) {
8977 SendToICS(message + 8);
8981 if (!strncmp(message, "tellicsnoalias ", 15)) {
8982 SendToICS(ics_prefix);
8983 SendToICS(message + 15);
8987 /* The following are for backward compatibility only */
8988 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
8989 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
8990 SendToICS(ics_prefix);
8996 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
8997 if(initPing == cps->lastPong) {
8998 if(gameInfo.variant == VariantUnknown) {
8999 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9000 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9001 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9007 if(!strncmp(message, "highlight ", 10)) {
9008 if(appData.testLegality && appData.markers) return;
9009 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9012 if(!strncmp(message, "click ", 6)) {
9013 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9014 if(appData.testLegality || !appData.oneClick) return;
9015 sscanf(message+6, "%c%d%c", &f, &y, &c);
9016 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9017 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9018 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9019 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9020 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9021 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9022 LeftClick(Release, lastLeftX, lastLeftY);
9023 controlKey = (c == ',');
9024 LeftClick(Press, x, y);
9025 LeftClick(Release, x, y);
9026 first.highlight = f;
9030 * If the move is illegal, cancel it and redraw the board.
9031 * Also deal with other error cases. Matching is rather loose
9032 * here to accommodate engines written before the spec.
9034 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9035 strncmp(message, "Error", 5) == 0) {
9036 if (StrStr(message, "name") ||
9037 StrStr(message, "rating") || StrStr(message, "?") ||
9038 StrStr(message, "result") || StrStr(message, "board") ||
9039 StrStr(message, "bk") || StrStr(message, "computer") ||
9040 StrStr(message, "variant") || StrStr(message, "hint") ||
9041 StrStr(message, "random") || StrStr(message, "depth") ||
9042 StrStr(message, "accepted")) {
9045 if (StrStr(message, "protover")) {
9046 /* Program is responding to input, so it's apparently done
9047 initializing, and this error message indicates it is
9048 protocol version 1. So we don't need to wait any longer
9049 for it to initialize and send feature commands. */
9050 FeatureDone(cps, 1);
9051 cps->protocolVersion = 1;
9054 cps->maybeThinking = FALSE;
9056 if (StrStr(message, "draw")) {
9057 /* Program doesn't have "draw" command */
9058 cps->sendDrawOffers = 0;
9061 if (cps->sendTime != 1 &&
9062 (StrStr(message, "time") || StrStr(message, "otim"))) {
9063 /* Program apparently doesn't have "time" or "otim" command */
9067 if (StrStr(message, "analyze")) {
9068 cps->analysisSupport = FALSE;
9069 cps->analyzing = FALSE;
9070 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9071 EditGameEvent(); // [HGM] try to preserve loaded game
9072 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9073 DisplayError(buf2, 0);
9076 if (StrStr(message, "(no matching move)st")) {
9077 /* Special kludge for GNU Chess 4 only */
9078 cps->stKludge = TRUE;
9079 SendTimeControl(cps, movesPerSession, timeControl,
9080 timeIncrement, appData.searchDepth,
9084 if (StrStr(message, "(no matching move)sd")) {
9085 /* Special kludge for GNU Chess 4 only */
9086 cps->sdKludge = TRUE;
9087 SendTimeControl(cps, movesPerSession, timeControl,
9088 timeIncrement, appData.searchDepth,
9092 if (!StrStr(message, "llegal")) {
9095 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9096 gameMode == IcsIdle) return;
9097 if (forwardMostMove <= backwardMostMove) return;
9098 if (pausing) PauseEvent();
9099 if(appData.forceIllegal) {
9100 // [HGM] illegal: machine refused move; force position after move into it
9101 SendToProgram("force\n", cps);
9102 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9103 // we have a real problem now, as SendBoard will use the a2a3 kludge
9104 // when black is to move, while there might be nothing on a2 or black
9105 // might already have the move. So send the board as if white has the move.
9106 // But first we must change the stm of the engine, as it refused the last move
9107 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9108 if(WhiteOnMove(forwardMostMove)) {
9109 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9110 SendBoard(cps, forwardMostMove); // kludgeless board
9112 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9113 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9114 SendBoard(cps, forwardMostMove+1); // kludgeless board
9116 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9117 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9118 gameMode == TwoMachinesPlay)
9119 SendToProgram("go\n", cps);
9122 if (gameMode == PlayFromGameFile) {
9123 /* Stop reading this game file */
9124 gameMode = EditGame;
9127 /* [HGM] illegal-move claim should forfeit game when Xboard */
9128 /* only passes fully legal moves */
9129 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9130 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9131 "False illegal-move claim", GE_XBOARD );
9132 return; // do not take back move we tested as valid
9134 currentMove = forwardMostMove-1;
9135 DisplayMove(currentMove-1); /* before DisplayMoveError */
9136 SwitchClocks(forwardMostMove-1); // [HGM] race
9137 DisplayBothClocks();
9138 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9139 parseList[currentMove], _(cps->which));
9140 DisplayMoveError(buf1);
9141 DrawPosition(FALSE, boards[currentMove]);
9143 SetUserThinkingEnables();
9146 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9147 /* Program has a broken "time" command that
9148 outputs a string not ending in newline.
9152 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9153 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9154 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9158 * If chess program startup fails, exit with an error message.
9159 * Attempts to recover here are futile. [HGM] Well, we try anyway
9161 if ((StrStr(message, "unknown host") != NULL)
9162 || (StrStr(message, "No remote directory") != NULL)
9163 || (StrStr(message, "not found") != NULL)
9164 || (StrStr(message, "No such file") != NULL)
9165 || (StrStr(message, "can't alloc") != NULL)
9166 || (StrStr(message, "Permission denied") != NULL)) {
9168 cps->maybeThinking = FALSE;
9169 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9170 _(cps->which), cps->program, cps->host, message);
9171 RemoveInputSource(cps->isr);
9172 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9173 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9174 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9180 * Look for hint output
9182 if (sscanf(message, "Hint: %s", buf1) == 1) {
9183 if (cps == &first && hintRequested) {
9184 hintRequested = FALSE;
9185 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9186 &fromX, &fromY, &toX, &toY, &promoChar)) {
9187 (void) CoordsToAlgebraic(boards[forwardMostMove],
9188 PosFlags(forwardMostMove),
9189 fromY, fromX, toY, toX, promoChar, buf1);
9190 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9191 DisplayInformation(buf2);
9193 /* Hint move could not be parsed!? */
9194 snprintf(buf2, sizeof(buf2),
9195 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9196 buf1, _(cps->which));
9197 DisplayError(buf2, 0);
9200 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9206 * Ignore other messages if game is not in progress
9208 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9209 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9212 * look for win, lose, draw, or draw offer
9214 if (strncmp(message, "1-0", 3) == 0) {
9215 char *p, *q, *r = "";
9216 p = strchr(message, '{');
9224 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9226 } else if (strncmp(message, "0-1", 3) == 0) {
9227 char *p, *q, *r = "";
9228 p = strchr(message, '{');
9236 /* Kludge for Arasan 4.1 bug */
9237 if (strcmp(r, "Black resigns") == 0) {
9238 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9241 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9243 } else if (strncmp(message, "1/2", 3) == 0) {
9244 char *p, *q, *r = "";
9245 p = strchr(message, '{');
9254 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9257 } else if (strncmp(message, "White resign", 12) == 0) {
9258 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9260 } else if (strncmp(message, "Black resign", 12) == 0) {
9261 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9263 } else if (strncmp(message, "White matches", 13) == 0 ||
9264 strncmp(message, "Black matches", 13) == 0 ) {
9265 /* [HGM] ignore GNUShogi noises */
9267 } else if (strncmp(message, "White", 5) == 0 &&
9268 message[5] != '(' &&
9269 StrStr(message, "Black") == NULL) {
9270 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9272 } else if (strncmp(message, "Black", 5) == 0 &&
9273 message[5] != '(') {
9274 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9276 } else if (strcmp(message, "resign") == 0 ||
9277 strcmp(message, "computer resigns") == 0) {
9279 case MachinePlaysBlack:
9280 case IcsPlayingBlack:
9281 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9283 case MachinePlaysWhite:
9284 case IcsPlayingWhite:
9285 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9287 case TwoMachinesPlay:
9288 if (cps->twoMachinesColor[0] == 'w')
9289 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9291 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9298 } else if (strncmp(message, "opponent mates", 14) == 0) {
9300 case MachinePlaysBlack:
9301 case IcsPlayingBlack:
9302 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9304 case MachinePlaysWhite:
9305 case IcsPlayingWhite:
9306 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9308 case TwoMachinesPlay:
9309 if (cps->twoMachinesColor[0] == 'w')
9310 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9312 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9319 } else if (strncmp(message, "computer mates", 14) == 0) {
9321 case MachinePlaysBlack:
9322 case IcsPlayingBlack:
9323 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9325 case MachinePlaysWhite:
9326 case IcsPlayingWhite:
9327 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9329 case TwoMachinesPlay:
9330 if (cps->twoMachinesColor[0] == 'w')
9331 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9333 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9340 } else if (strncmp(message, "checkmate", 9) == 0) {
9341 if (WhiteOnMove(forwardMostMove)) {
9342 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9344 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9347 } else if (strstr(message, "Draw") != NULL ||
9348 strstr(message, "game is a draw") != NULL) {
9349 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9351 } else if (strstr(message, "offer") != NULL &&
9352 strstr(message, "draw") != NULL) {
9354 if (appData.zippyPlay && first.initDone) {
9355 /* Relay offer to ICS */
9356 SendToICS(ics_prefix);
9357 SendToICS("draw\n");
9360 cps->offeredDraw = 2; /* valid until this engine moves twice */
9361 if (gameMode == TwoMachinesPlay) {
9362 if (cps->other->offeredDraw) {
9363 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9364 /* [HGM] in two-machine mode we delay relaying draw offer */
9365 /* until after we also have move, to see if it is really claim */
9367 } else if (gameMode == MachinePlaysWhite ||
9368 gameMode == MachinePlaysBlack) {
9369 if (userOfferedDraw) {
9370 DisplayInformation(_("Machine accepts your draw offer"));
9371 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9373 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9380 * Look for thinking output
9382 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9383 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9385 int plylev, mvleft, mvtot, curscore, time;
9386 char mvname[MOVE_LEN];
9390 int prefixHint = FALSE;
9391 mvname[0] = NULLCHAR;
9394 case MachinePlaysBlack:
9395 case IcsPlayingBlack:
9396 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9398 case MachinePlaysWhite:
9399 case IcsPlayingWhite:
9400 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9405 case IcsObserving: /* [DM] icsEngineAnalyze */
9406 if (!appData.icsEngineAnalyze) ignore = TRUE;
9408 case TwoMachinesPlay:
9409 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9419 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9421 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9422 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9424 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9425 nodes += u64Const(0x100000000);
9427 if (plyext != ' ' && plyext != '\t') {
9431 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9432 if( cps->scoreIsAbsolute &&
9433 ( gameMode == MachinePlaysBlack ||
9434 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9435 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9436 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9437 !WhiteOnMove(currentMove)
9440 curscore = -curscore;
9443 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9445 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9448 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9449 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9450 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9451 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9452 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9453 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9457 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9458 DisplayError(_("failed writing PV"), 0);
9461 tempStats.depth = plylev;
9462 tempStats.nodes = nodes;
9463 tempStats.time = time;
9464 tempStats.score = curscore;
9465 tempStats.got_only_move = 0;
9467 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9470 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9471 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9472 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9473 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9474 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9475 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9476 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9477 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9480 /* Buffer overflow protection */
9481 if (pv[0] != NULLCHAR) {
9482 if (strlen(pv) >= sizeof(tempStats.movelist)
9483 && appData.debugMode) {
9485 "PV is too long; using the first %u bytes.\n",
9486 (unsigned) sizeof(tempStats.movelist) - 1);
9489 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9491 sprintf(tempStats.movelist, " no PV\n");
9494 if (tempStats.seen_stat) {
9495 tempStats.ok_to_send = 1;
9498 if (strchr(tempStats.movelist, '(') != NULL) {
9499 tempStats.line_is_book = 1;
9500 tempStats.nr_moves = 0;
9501 tempStats.moves_left = 0;
9503 tempStats.line_is_book = 0;
9506 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9507 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9509 SendProgramStatsToFrontend( cps, &tempStats );
9512 [AS] Protect the thinkOutput buffer from overflow... this
9513 is only useful if buf1 hasn't overflowed first!
9515 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9517 (gameMode == TwoMachinesPlay ?
9518 ToUpper(cps->twoMachinesColor[0]) : ' '),
9519 ((double) curscore) / 100.0,
9520 prefixHint ? lastHint : "",
9521 prefixHint ? " " : "" );
9523 if( buf1[0] != NULLCHAR ) {
9524 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9526 if( strlen(pv) > max_len ) {
9527 if( appData.debugMode) {
9528 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9530 pv[max_len+1] = '\0';
9533 strcat( thinkOutput, pv);
9536 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9537 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9538 DisplayMove(currentMove - 1);
9542 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9543 /* crafty (9.25+) says "(only move) <move>"
9544 * if there is only 1 legal move
9546 sscanf(p, "(only move) %s", buf1);
9547 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9548 sprintf(programStats.movelist, "%s (only move)", buf1);
9549 programStats.depth = 1;
9550 programStats.nr_moves = 1;
9551 programStats.moves_left = 1;
9552 programStats.nodes = 1;
9553 programStats.time = 1;
9554 programStats.got_only_move = 1;
9556 /* Not really, but we also use this member to
9557 mean "line isn't going to change" (Crafty
9558 isn't searching, so stats won't change) */
9559 programStats.line_is_book = 1;
9561 SendProgramStatsToFrontend( cps, &programStats );
9563 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9564 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9565 DisplayMove(currentMove - 1);
9568 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9569 &time, &nodes, &plylev, &mvleft,
9570 &mvtot, mvname) >= 5) {
9571 /* The stat01: line is from Crafty (9.29+) in response
9572 to the "." command */
9573 programStats.seen_stat = 1;
9574 cps->maybeThinking = TRUE;
9576 if (programStats.got_only_move || !appData.periodicUpdates)
9579 programStats.depth = plylev;
9580 programStats.time = time;
9581 programStats.nodes = nodes;
9582 programStats.moves_left = mvleft;
9583 programStats.nr_moves = mvtot;
9584 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9585 programStats.ok_to_send = 1;
9586 programStats.movelist[0] = '\0';
9588 SendProgramStatsToFrontend( cps, &programStats );
9592 } else if (strncmp(message,"++",2) == 0) {
9593 /* Crafty 9.29+ outputs this */
9594 programStats.got_fail = 2;
9597 } else if (strncmp(message,"--",2) == 0) {
9598 /* Crafty 9.29+ outputs this */
9599 programStats.got_fail = 1;
9602 } else if (thinkOutput[0] != NULLCHAR &&
9603 strncmp(message, " ", 4) == 0) {
9604 unsigned message_len;
9607 while (*p && *p == ' ') p++;
9609 message_len = strlen( p );
9611 /* [AS] Avoid buffer overflow */
9612 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9613 strcat(thinkOutput, " ");
9614 strcat(thinkOutput, p);
9617 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9618 strcat(programStats.movelist, " ");
9619 strcat(programStats.movelist, p);
9622 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9623 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9624 DisplayMove(currentMove - 1);
9632 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9633 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9635 ChessProgramStats cpstats;
9637 if (plyext != ' ' && plyext != '\t') {
9641 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9642 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9643 curscore = -curscore;
9646 cpstats.depth = plylev;
9647 cpstats.nodes = nodes;
9648 cpstats.time = time;
9649 cpstats.score = curscore;
9650 cpstats.got_only_move = 0;
9651 cpstats.movelist[0] = '\0';
9653 if (buf1[0] != NULLCHAR) {
9654 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9657 cpstats.ok_to_send = 0;
9658 cpstats.line_is_book = 0;
9659 cpstats.nr_moves = 0;
9660 cpstats.moves_left = 0;
9662 SendProgramStatsToFrontend( cps, &cpstats );
9669 /* Parse a game score from the character string "game", and
9670 record it as the history of the current game. The game
9671 score is NOT assumed to start from the standard position.
9672 The display is not updated in any way.
9675 ParseGameHistory (char *game)
9678 int fromX, fromY, toX, toY, boardIndex;
9683 if (appData.debugMode)
9684 fprintf(debugFP, "Parsing game history: %s\n", game);
9686 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9687 gameInfo.site = StrSave(appData.icsHost);
9688 gameInfo.date = PGNDate();
9689 gameInfo.round = StrSave("-");
9691 /* Parse out names of players */
9692 while (*game == ' ') game++;
9694 while (*game != ' ') *p++ = *game++;
9696 gameInfo.white = StrSave(buf);
9697 while (*game == ' ') game++;
9699 while (*game != ' ' && *game != '\n') *p++ = *game++;
9701 gameInfo.black = StrSave(buf);
9704 boardIndex = blackPlaysFirst ? 1 : 0;
9707 yyboardindex = boardIndex;
9708 moveType = (ChessMove) Myylex();
9710 case IllegalMove: /* maybe suicide chess, etc. */
9711 if (appData.debugMode) {
9712 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9713 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9714 setbuf(debugFP, NULL);
9716 case WhitePromotion:
9717 case BlackPromotion:
9718 case WhiteNonPromotion:
9719 case BlackNonPromotion:
9722 case WhiteCapturesEnPassant:
9723 case BlackCapturesEnPassant:
9724 case WhiteKingSideCastle:
9725 case WhiteQueenSideCastle:
9726 case BlackKingSideCastle:
9727 case BlackQueenSideCastle:
9728 case WhiteKingSideCastleWild:
9729 case WhiteQueenSideCastleWild:
9730 case BlackKingSideCastleWild:
9731 case BlackQueenSideCastleWild:
9733 case WhiteHSideCastleFR:
9734 case WhiteASideCastleFR:
9735 case BlackHSideCastleFR:
9736 case BlackASideCastleFR:
9738 fromX = currentMoveString[0] - AAA;
9739 fromY = currentMoveString[1] - ONE;
9740 toX = currentMoveString[2] - AAA;
9741 toY = currentMoveString[3] - ONE;
9742 promoChar = currentMoveString[4];
9746 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9747 fromX = moveType == WhiteDrop ?
9748 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9749 (int) CharToPiece(ToLower(currentMoveString[0]));
9751 toX = currentMoveString[2] - AAA;
9752 toY = currentMoveString[3] - ONE;
9753 promoChar = NULLCHAR;
9757 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9758 if (appData.debugMode) {
9759 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9760 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9761 setbuf(debugFP, NULL);
9763 DisplayError(buf, 0);
9765 case ImpossibleMove:
9767 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9768 if (appData.debugMode) {
9769 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9770 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9771 setbuf(debugFP, NULL);
9773 DisplayError(buf, 0);
9776 if (boardIndex < backwardMostMove) {
9777 /* Oops, gap. How did that happen? */
9778 DisplayError(_("Gap in move list"), 0);
9781 backwardMostMove = blackPlaysFirst ? 1 : 0;
9782 if (boardIndex > forwardMostMove) {
9783 forwardMostMove = boardIndex;
9787 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9788 strcat(parseList[boardIndex-1], " ");
9789 strcat(parseList[boardIndex-1], yy_text);
9801 case GameUnfinished:
9802 if (gameMode == IcsExamining) {
9803 if (boardIndex < backwardMostMove) {
9804 /* Oops, gap. How did that happen? */
9807 backwardMostMove = blackPlaysFirst ? 1 : 0;
9810 gameInfo.result = moveType;
9811 p = strchr(yy_text, '{');
9812 if (p == NULL) p = strchr(yy_text, '(');
9815 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9817 q = strchr(p, *p == '{' ? '}' : ')');
9818 if (q != NULL) *q = NULLCHAR;
9821 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9822 gameInfo.resultDetails = StrSave(p);
9825 if (boardIndex >= forwardMostMove &&
9826 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9827 backwardMostMove = blackPlaysFirst ? 1 : 0;
9830 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9831 fromY, fromX, toY, toX, promoChar,
9832 parseList[boardIndex]);
9833 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9834 /* currentMoveString is set as a side-effect of yylex */
9835 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9836 strcat(moveList[boardIndex], "\n");
9838 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9839 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9845 if(!IS_SHOGI(gameInfo.variant))
9846 strcat(parseList[boardIndex - 1], "+");
9850 strcat(parseList[boardIndex - 1], "#");
9857 /* Apply a move to the given board */
9859 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9861 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9862 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9864 /* [HGM] compute & store e.p. status and castling rights for new position */
9865 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9867 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9868 oldEP = (signed char)board[EP_STATUS];
9869 board[EP_STATUS] = EP_NONE;
9871 if (fromY == DROP_RANK) {
9873 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9874 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9877 piece = board[toY][toX] = (ChessSquare) fromX;
9879 // ChessSquare victim;
9882 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9883 // victim = board[killY][killX],
9884 board[killY][killX] = EmptySquare,
9885 board[EP_STATUS] = EP_CAPTURE;
9887 if( board[toY][toX] != EmptySquare ) {
9888 board[EP_STATUS] = EP_CAPTURE;
9889 if( (fromX != toX || fromY != toY) && // not igui!
9890 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9891 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9892 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9896 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9897 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9898 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9900 if( board[fromY][fromX] == WhitePawn ) {
9901 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9902 board[EP_STATUS] = EP_PAWN_MOVE;
9904 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9905 gameInfo.variant != VariantBerolina || toX < fromX)
9906 board[EP_STATUS] = toX | berolina;
9907 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9908 gameInfo.variant != VariantBerolina || toX > fromX)
9909 board[EP_STATUS] = toX;
9912 if( board[fromY][fromX] == BlackPawn ) {
9913 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9914 board[EP_STATUS] = EP_PAWN_MOVE;
9915 if( toY-fromY== -2) {
9916 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9917 gameInfo.variant != VariantBerolina || toX < fromX)
9918 board[EP_STATUS] = toX | berolina;
9919 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9920 gameInfo.variant != VariantBerolina || toX > fromX)
9921 board[EP_STATUS] = toX;
9925 for(i=0; i<nrCastlingRights; i++) {
9926 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9927 board[CASTLING][i] == toX && castlingRank[i] == toY
9928 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9931 if(gameInfo.variant == VariantSChess) { // update virginity
9932 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9933 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9934 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9935 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9938 if (fromX == toX && fromY == toY) return;
9940 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9941 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9942 if(gameInfo.variant == VariantKnightmate)
9943 king += (int) WhiteUnicorn - (int) WhiteKing;
9945 /* Code added by Tord: */
9946 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9947 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9948 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9949 board[fromY][fromX] = EmptySquare;
9950 board[toY][toX] = EmptySquare;
9951 if((toX > fromX) != (piece == WhiteRook)) {
9952 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9954 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9956 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9957 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9958 board[fromY][fromX] = EmptySquare;
9959 board[toY][toX] = EmptySquare;
9960 if((toX > fromX) != (piece == BlackRook)) {
9961 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9963 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9965 /* End of code added by Tord */
9967 } else if (board[fromY][fromX] == king
9968 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9969 && toY == fromY && toX > fromX+1) {
9970 board[fromY][fromX] = EmptySquare;
9971 board[toY][toX] = king;
9972 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9973 board[fromY][BOARD_RGHT-1] = EmptySquare;
9974 } else if (board[fromY][fromX] == king
9975 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9976 && toY == fromY && toX < fromX-1) {
9977 board[fromY][fromX] = EmptySquare;
9978 board[toY][toX] = king;
9979 board[toY][toX+1] = board[fromY][BOARD_LEFT];
9980 board[fromY][BOARD_LEFT] = EmptySquare;
9981 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
9982 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
9983 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
9985 /* white pawn promotion */
9986 board[toY][toX] = CharToPiece(ToUpper(promoChar));
9987 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
9988 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
9989 board[fromY][fromX] = EmptySquare;
9990 } else if ((fromY >= BOARD_HEIGHT>>1)
9991 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
9993 && gameInfo.variant != VariantXiangqi
9994 && gameInfo.variant != VariantBerolina
9995 && (board[fromY][fromX] == WhitePawn)
9996 && (board[toY][toX] == EmptySquare)) {
9997 board[fromY][fromX] = EmptySquare;
9998 board[toY][toX] = WhitePawn;
9999 captured = board[toY - 1][toX];
10000 board[toY - 1][toX] = EmptySquare;
10001 } else if ((fromY == BOARD_HEIGHT-4)
10003 && gameInfo.variant == VariantBerolina
10004 && (board[fromY][fromX] == WhitePawn)
10005 && (board[toY][toX] == EmptySquare)) {
10006 board[fromY][fromX] = EmptySquare;
10007 board[toY][toX] = WhitePawn;
10008 if(oldEP & EP_BEROLIN_A) {
10009 captured = board[fromY][fromX-1];
10010 board[fromY][fromX-1] = EmptySquare;
10011 }else{ captured = board[fromY][fromX+1];
10012 board[fromY][fromX+1] = EmptySquare;
10014 } else if (board[fromY][fromX] == king
10015 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10016 && toY == fromY && toX > fromX+1) {
10017 board[fromY][fromX] = EmptySquare;
10018 board[toY][toX] = king;
10019 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
10020 board[fromY][BOARD_RGHT-1] = EmptySquare;
10021 } else if (board[fromY][fromX] == king
10022 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10023 && toY == fromY && toX < fromX-1) {
10024 board[fromY][fromX] = EmptySquare;
10025 board[toY][toX] = king;
10026 board[toY][toX+1] = board[fromY][BOARD_LEFT];
10027 board[fromY][BOARD_LEFT] = EmptySquare;
10028 } else if (fromY == 7 && fromX == 3
10029 && board[fromY][fromX] == BlackKing
10030 && toY == 7 && toX == 5) {
10031 board[fromY][fromX] = EmptySquare;
10032 board[toY][toX] = BlackKing;
10033 board[fromY][7] = EmptySquare;
10034 board[toY][4] = BlackRook;
10035 } else if (fromY == 7 && fromX == 3
10036 && board[fromY][fromX] == BlackKing
10037 && toY == 7 && toX == 1) {
10038 board[fromY][fromX] = EmptySquare;
10039 board[toY][toX] = BlackKing;
10040 board[fromY][0] = EmptySquare;
10041 board[toY][2] = BlackRook;
10042 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10043 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10044 && toY < promoRank && promoChar
10046 /* black pawn promotion */
10047 board[toY][toX] = CharToPiece(ToLower(promoChar));
10048 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10049 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10050 board[fromY][fromX] = EmptySquare;
10051 } else if ((fromY < BOARD_HEIGHT>>1)
10052 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality)
10054 && gameInfo.variant != VariantXiangqi
10055 && gameInfo.variant != VariantBerolina
10056 && (board[fromY][fromX] == BlackPawn)
10057 && (board[toY][toX] == EmptySquare)) {
10058 board[fromY][fromX] = EmptySquare;
10059 board[toY][toX] = BlackPawn;
10060 captured = board[toY + 1][toX];
10061 board[toY + 1][toX] = EmptySquare;
10062 } else if ((fromY == 3)
10064 && gameInfo.variant == VariantBerolina
10065 && (board[fromY][fromX] == BlackPawn)
10066 && (board[toY][toX] == EmptySquare)) {
10067 board[fromY][fromX] = EmptySquare;
10068 board[toY][toX] = BlackPawn;
10069 if(oldEP & EP_BEROLIN_A) {
10070 captured = board[fromY][fromX-1];
10071 board[fromY][fromX-1] = EmptySquare;
10072 }else{ captured = board[fromY][fromX+1];
10073 board[fromY][fromX+1] = EmptySquare;
10076 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10077 board[fromY][fromX] = EmptySquare;
10078 board[toY][toX] = piece;
10082 if (gameInfo.holdingsWidth != 0) {
10084 /* !!A lot more code needs to be written to support holdings */
10085 /* [HGM] OK, so I have written it. Holdings are stored in the */
10086 /* penultimate board files, so they are automaticlly stored */
10087 /* in the game history. */
10088 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10089 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10090 /* Delete from holdings, by decreasing count */
10091 /* and erasing image if necessary */
10092 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10093 if(p < (int) BlackPawn) { /* white drop */
10094 p -= (int)WhitePawn;
10095 p = PieceToNumber((ChessSquare)p);
10096 if(p >= gameInfo.holdingsSize) p = 0;
10097 if(--board[p][BOARD_WIDTH-2] <= 0)
10098 board[p][BOARD_WIDTH-1] = EmptySquare;
10099 if((int)board[p][BOARD_WIDTH-2] < 0)
10100 board[p][BOARD_WIDTH-2] = 0;
10101 } else { /* black drop */
10102 p -= (int)BlackPawn;
10103 p = PieceToNumber((ChessSquare)p);
10104 if(p >= gameInfo.holdingsSize) p = 0;
10105 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10106 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10107 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10108 board[BOARD_HEIGHT-1-p][1] = 0;
10111 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10112 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10113 /* [HGM] holdings: Add to holdings, if holdings exist */
10114 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10115 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10116 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10118 p = (int) captured;
10119 if (p >= (int) BlackPawn) {
10120 p -= (int)BlackPawn;
10121 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10122 /* in Shogi restore piece to its original first */
10123 captured = (ChessSquare) (DEMOTED captured);
10126 p = PieceToNumber((ChessSquare)p);
10127 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10128 board[p][BOARD_WIDTH-2]++;
10129 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10131 p -= (int)WhitePawn;
10132 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10133 captured = (ChessSquare) (DEMOTED captured);
10136 p = PieceToNumber((ChessSquare)p);
10137 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10138 board[BOARD_HEIGHT-1-p][1]++;
10139 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10142 } else if (gameInfo.variant == VariantAtomic) {
10143 if (captured != EmptySquare) {
10145 for (y = toY-1; y <= toY+1; y++) {
10146 for (x = toX-1; x <= toX+1; x++) {
10147 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10148 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10149 board[y][x] = EmptySquare;
10153 board[toY][toX] = EmptySquare;
10157 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10158 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10160 if(promoChar == '+') {
10161 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10162 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10163 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10164 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10165 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10166 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10167 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10168 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10169 board[toY][toX] = newPiece;
10171 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10172 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10173 // [HGM] superchess: take promotion piece out of holdings
10174 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10175 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10176 if(!--board[k][BOARD_WIDTH-2])
10177 board[k][BOARD_WIDTH-1] = EmptySquare;
10179 if(!--board[BOARD_HEIGHT-1-k][1])
10180 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10185 /* Updates forwardMostMove */
10187 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10189 int x = toX, y = toY;
10190 char *s = parseList[forwardMostMove];
10191 ChessSquare p = boards[forwardMostMove][toY][toX];
10192 // forwardMostMove++; // [HGM] bare: moved downstream
10194 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10195 (void) CoordsToAlgebraic(boards[forwardMostMove],
10196 PosFlags(forwardMostMove),
10197 fromY, fromX, y, x, promoChar,
10199 if(killX >= 0 && killY >= 0)
10200 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10202 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10203 int timeLeft; static int lastLoadFlag=0; int king, piece;
10204 piece = boards[forwardMostMove][fromY][fromX];
10205 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10206 if(gameInfo.variant == VariantKnightmate)
10207 king += (int) WhiteUnicorn - (int) WhiteKing;
10208 if(forwardMostMove == 0) {
10209 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10210 fprintf(serverMoves, "%s;", UserName());
10211 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10212 fprintf(serverMoves, "%s;", second.tidy);
10213 fprintf(serverMoves, "%s;", first.tidy);
10214 if(gameMode == MachinePlaysWhite)
10215 fprintf(serverMoves, "%s;", UserName());
10216 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10217 fprintf(serverMoves, "%s;", second.tidy);
10218 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10219 lastLoadFlag = loadFlag;
10221 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10222 // print castling suffix
10223 if( toY == fromY && piece == king ) {
10225 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10227 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10230 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10231 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10232 boards[forwardMostMove][toY][toX] == EmptySquare
10233 && fromX != toX && fromY != toY)
10234 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10235 // promotion suffix
10236 if(promoChar != NULLCHAR) {
10237 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10238 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10239 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10240 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10243 char buf[MOVE_LEN*2], *p; int len;
10244 fprintf(serverMoves, "/%d/%d",
10245 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10246 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10247 else timeLeft = blackTimeRemaining/1000;
10248 fprintf(serverMoves, "/%d", timeLeft);
10249 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10250 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10251 if(p = strchr(buf, '=')) *p = NULLCHAR;
10252 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10253 fprintf(serverMoves, "/%s", buf);
10255 fflush(serverMoves);
10258 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10259 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10262 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10263 if (commentList[forwardMostMove+1] != NULL) {
10264 free(commentList[forwardMostMove+1]);
10265 commentList[forwardMostMove+1] = NULL;
10267 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10268 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10269 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10270 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10271 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10272 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10273 adjustedClock = FALSE;
10274 gameInfo.result = GameUnfinished;
10275 if (gameInfo.resultDetails != NULL) {
10276 free(gameInfo.resultDetails);
10277 gameInfo.resultDetails = NULL;
10279 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10280 moveList[forwardMostMove - 1]);
10281 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10287 if(!IS_SHOGI(gameInfo.variant))
10288 strcat(parseList[forwardMostMove - 1], "+");
10292 strcat(parseList[forwardMostMove - 1], "#");
10297 /* Updates currentMove if not pausing */
10299 ShowMove (int fromX, int fromY, int toX, int toY)
10301 int instant = (gameMode == PlayFromGameFile) ?
10302 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10303 if(appData.noGUI) return;
10304 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10306 if (forwardMostMove == currentMove + 1) {
10307 AnimateMove(boards[forwardMostMove - 1],
10308 fromX, fromY, toX, toY);
10311 currentMove = forwardMostMove;
10314 killX = killY = -1; // [HGM] lion: used up
10316 if (instant) return;
10318 DisplayMove(currentMove - 1);
10319 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10320 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10321 SetHighlights(fromX, fromY, toX, toY);
10324 DrawPosition(FALSE, boards[currentMove]);
10325 DisplayBothClocks();
10326 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10330 SendEgtPath (ChessProgramState *cps)
10331 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10332 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10334 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10337 char c, *q = name+1, *r, *s;
10339 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10340 while(*p && *p != ',') *q++ = *p++;
10341 *q++ = ':'; *q = 0;
10342 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10343 strcmp(name, ",nalimov:") == 0 ) {
10344 // take nalimov path from the menu-changeable option first, if it is defined
10345 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10346 SendToProgram(buf,cps); // send egtbpath command for nalimov
10348 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10349 (s = StrStr(appData.egtFormats, name)) != NULL) {
10350 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10351 s = r = StrStr(s, ":") + 1; // beginning of path info
10352 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10353 c = *r; *r = 0; // temporarily null-terminate path info
10354 *--q = 0; // strip of trailig ':' from name
10355 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10357 SendToProgram(buf,cps); // send egtbpath command for this format
10359 if(*p == ',') p++; // read away comma to position for next format name
10364 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10366 int width = 8, height = 8, holdings = 0; // most common sizes
10367 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10368 // correct the deviations default for each variant
10369 if( v == VariantXiangqi ) width = 9, height = 10;
10370 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10371 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10372 if( v == VariantCapablanca || v == VariantCapaRandom ||
10373 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10375 if( v == VariantCourier ) width = 12;
10376 if( v == VariantSuper ) holdings = 8;
10377 if( v == VariantGreat ) width = 10, holdings = 8;
10378 if( v == VariantSChess ) holdings = 7;
10379 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10380 if( v == VariantChuChess) width = 10, height = 10;
10381 if( v == VariantChu ) width = 12, height = 12;
10382 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10383 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10384 holdingsSize >= 0 && holdingsSize != holdings;
10387 char variantError[MSG_SIZ];
10390 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10391 { // returns error message (recognizable by upper-case) if engine does not support the variant
10392 char *p, *variant = VariantName(v);
10393 static char b[MSG_SIZ];
10394 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10395 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10396 holdingsSize, variant); // cook up sized variant name
10397 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10398 if(StrStr(list, b) == NULL) {
10399 // specific sized variant not known, check if general sizing allowed
10400 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10401 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10402 boardWidth, boardHeight, holdingsSize, engine);
10405 /* [HGM] here we really should compare with the maximum supported board size */
10407 } else snprintf(b, MSG_SIZ,"%s", variant);
10408 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10409 p = StrStr(list, b);
10410 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10412 // occurs not at all in list, or only as sub-string
10413 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10414 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10415 int l = strlen(variantError);
10417 while(p != list && p[-1] != ',') p--;
10418 q = strchr(p, ',');
10419 if(q) *q = NULLCHAR;
10420 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10429 InitChessProgram (ChessProgramState *cps, int setup)
10430 /* setup needed to setup FRC opening position */
10432 char buf[MSG_SIZ], *b;
10433 if (appData.noChessProgram) return;
10434 hintRequested = FALSE;
10435 bookRequested = FALSE;
10437 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10438 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10439 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10440 if(cps->memSize) { /* [HGM] memory */
10441 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10442 SendToProgram(buf, cps);
10444 SendEgtPath(cps); /* [HGM] EGT */
10445 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10446 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10447 SendToProgram(buf, cps);
10450 setboardSpoiledMachineBlack = FALSE;
10451 SendToProgram(cps->initString, cps);
10452 if (gameInfo.variant != VariantNormal &&
10453 gameInfo.variant != VariantLoadable
10454 /* [HGM] also send variant if board size non-standard */
10455 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10457 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10458 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10460 DisplayFatalError(variantError, 0, 1);
10464 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10465 SendToProgram(buf, cps);
10467 currentlyInitializedVariant = gameInfo.variant;
10469 /* [HGM] send opening position in FRC to first engine */
10471 SendToProgram("force\n", cps);
10473 /* engine is now in force mode! Set flag to wake it up after first move. */
10474 setboardSpoiledMachineBlack = 1;
10477 if (cps->sendICS) {
10478 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10479 SendToProgram(buf, cps);
10481 cps->maybeThinking = FALSE;
10482 cps->offeredDraw = 0;
10483 if (!appData.icsActive) {
10484 SendTimeControl(cps, movesPerSession, timeControl,
10485 timeIncrement, appData.searchDepth,
10488 if (appData.showThinking
10489 // [HGM] thinking: four options require thinking output to be sent
10490 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10492 SendToProgram("post\n", cps);
10494 SendToProgram("hard\n", cps);
10495 if (!appData.ponderNextMove) {
10496 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10497 it without being sure what state we are in first. "hard"
10498 is not a toggle, so that one is OK.
10500 SendToProgram("easy\n", cps);
10502 if (cps->usePing) {
10503 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10504 SendToProgram(buf, cps);
10506 cps->initDone = TRUE;
10507 ClearEngineOutputPane(cps == &second);
10512 ResendOptions (ChessProgramState *cps)
10513 { // send the stored value of the options
10516 Option *opt = cps->option;
10517 for(i=0; i<cps->nrOptions; i++, opt++) {
10518 switch(opt->type) {
10522 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10525 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10528 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10534 SendToProgram(buf, cps);
10539 StartChessProgram (ChessProgramState *cps)
10544 if (appData.noChessProgram) return;
10545 cps->initDone = FALSE;
10547 if (strcmp(cps->host, "localhost") == 0) {
10548 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10549 } else if (*appData.remoteShell == NULLCHAR) {
10550 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10552 if (*appData.remoteUser == NULLCHAR) {
10553 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10556 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10557 cps->host, appData.remoteUser, cps->program);
10559 err = StartChildProcess(buf, "", &cps->pr);
10563 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10564 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10565 if(cps != &first) return;
10566 appData.noChessProgram = TRUE;
10569 // DisplayFatalError(buf, err, 1);
10570 // cps->pr = NoProc;
10571 // cps->isr = NULL;
10575 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10576 if (cps->protocolVersion > 1) {
10577 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10578 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10579 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10580 cps->comboCnt = 0; // and values of combo boxes
10582 SendToProgram(buf, cps);
10583 if(cps->reload) ResendOptions(cps);
10585 SendToProgram("xboard\n", cps);
10590 TwoMachinesEventIfReady P((void))
10592 static int curMess = 0;
10593 if (first.lastPing != first.lastPong) {
10594 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10595 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10598 if (second.lastPing != second.lastPong) {
10599 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10600 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10603 DisplayMessage("", ""); curMess = 0;
10604 TwoMachinesEvent();
10608 MakeName (char *template)
10612 static char buf[MSG_SIZ];
10616 clock = time((time_t *)NULL);
10617 tm = localtime(&clock);
10619 while(*p++ = *template++) if(p[-1] == '%') {
10620 switch(*template++) {
10621 case 0: *p = 0; return buf;
10622 case 'Y': i = tm->tm_year+1900; break;
10623 case 'y': i = tm->tm_year-100; break;
10624 case 'M': i = tm->tm_mon+1; break;
10625 case 'd': i = tm->tm_mday; break;
10626 case 'h': i = tm->tm_hour; break;
10627 case 'm': i = tm->tm_min; break;
10628 case 's': i = tm->tm_sec; break;
10631 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10637 CountPlayers (char *p)
10640 while(p = strchr(p, '\n')) p++, n++; // count participants
10645 WriteTourneyFile (char *results, FILE *f)
10646 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10647 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10648 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10649 // create a file with tournament description
10650 fprintf(f, "-participants {%s}\n", appData.participants);
10651 fprintf(f, "-seedBase %d\n", appData.seedBase);
10652 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10653 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10654 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10655 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10656 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10657 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10658 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10659 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10660 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10661 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10662 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10663 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10664 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10665 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10666 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10667 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10668 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10669 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10670 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10671 fprintf(f, "-smpCores %d\n", appData.smpCores);
10673 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10675 fprintf(f, "-mps %d\n", appData.movesPerSession);
10676 fprintf(f, "-tc %s\n", appData.timeControl);
10677 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10679 fprintf(f, "-results \"%s\"\n", results);
10684 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10687 Substitute (char *participants, int expunge)
10689 int i, changed, changes=0, nPlayers=0;
10690 char *p, *q, *r, buf[MSG_SIZ];
10691 if(participants == NULL) return;
10692 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10693 r = p = participants; q = appData.participants;
10694 while(*p && *p == *q) {
10695 if(*p == '\n') r = p+1, nPlayers++;
10698 if(*p) { // difference
10699 while(*p && *p++ != '\n');
10700 while(*q && *q++ != '\n');
10701 changed = nPlayers;
10702 changes = 1 + (strcmp(p, q) != 0);
10704 if(changes == 1) { // a single engine mnemonic was changed
10705 q = r; while(*q) nPlayers += (*q++ == '\n');
10706 p = buf; while(*r && (*p = *r++) != '\n') p++;
10708 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10709 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10710 if(mnemonic[i]) { // The substitute is valid
10712 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10713 flock(fileno(f), LOCK_EX);
10714 ParseArgsFromFile(f);
10715 fseek(f, 0, SEEK_SET);
10716 FREE(appData.participants); appData.participants = participants;
10717 if(expunge) { // erase results of replaced engine
10718 int len = strlen(appData.results), w, b, dummy;
10719 for(i=0; i<len; i++) {
10720 Pairing(i, nPlayers, &w, &b, &dummy);
10721 if((w == changed || b == changed) && appData.results[i] == '*') {
10722 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10727 for(i=0; i<len; i++) {
10728 Pairing(i, nPlayers, &w, &b, &dummy);
10729 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10732 WriteTourneyFile(appData.results, f);
10733 fclose(f); // release lock
10736 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10738 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10739 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10740 free(participants);
10745 CheckPlayers (char *participants)
10748 char buf[MSG_SIZ], *p;
10749 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10750 while(p = strchr(participants, '\n')) {
10752 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10754 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10756 DisplayError(buf, 0);
10760 participants = p + 1;
10766 CreateTourney (char *name)
10769 if(matchMode && strcmp(name, appData.tourneyFile)) {
10770 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10772 if(name[0] == NULLCHAR) {
10773 if(appData.participants[0])
10774 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10777 f = fopen(name, "r");
10778 if(f) { // file exists
10779 ASSIGN(appData.tourneyFile, name);
10780 ParseArgsFromFile(f); // parse it
10782 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10783 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10784 DisplayError(_("Not enough participants"), 0);
10787 if(CheckPlayers(appData.participants)) return 0;
10788 ASSIGN(appData.tourneyFile, name);
10789 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10790 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10793 appData.noChessProgram = FALSE;
10794 appData.clockMode = TRUE;
10800 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10802 char buf[MSG_SIZ], *p, *q;
10803 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10804 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10805 skip = !all && group[0]; // if group requested, we start in skip mode
10806 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10807 p = names; q = buf; header = 0;
10808 while(*p && *p != '\n') *q++ = *p++;
10810 if(*p == '\n') p++;
10811 if(buf[0] == '#') {
10812 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10813 depth++; // we must be entering a new group
10814 if(all) continue; // suppress printing group headers when complete list requested
10816 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10818 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10819 if(engineList[i]) free(engineList[i]);
10820 engineList[i] = strdup(buf);
10821 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10822 if(engineMnemonic[i]) free(engineMnemonic[i]);
10823 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10825 sscanf(q + 8, "%s", buf + strlen(buf));
10828 engineMnemonic[i] = strdup(buf);
10831 engineList[i] = engineMnemonic[i] = NULL;
10835 // following implemented as macro to avoid type limitations
10836 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10839 SwapEngines (int n)
10840 { // swap settings for first engine and other engine (so far only some selected options)
10845 SWAP(chessProgram, p)
10847 SWAP(hasOwnBookUCI, h)
10848 SWAP(protocolVersion, h)
10850 SWAP(scoreIsAbsolute, h)
10855 SWAP(engOptions, p)
10856 SWAP(engInitString, p)
10857 SWAP(computerString, p)
10859 SWAP(fenOverride, p)
10861 SWAP(accumulateTC, h)
10868 GetEngineLine (char *s, int n)
10872 extern char *icsNames;
10873 if(!s || !*s) return 0;
10874 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10875 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10876 if(!mnemonic[i]) return 0;
10877 if(n == 11) return 1; // just testing if there was a match
10878 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10879 if(n == 1) SwapEngines(n);
10880 ParseArgsFromString(buf);
10881 if(n == 1) SwapEngines(n);
10882 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10883 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10884 ParseArgsFromString(buf);
10890 SetPlayer (int player, char *p)
10891 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10893 char buf[MSG_SIZ], *engineName;
10894 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10895 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10896 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10898 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10899 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10900 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10901 ParseArgsFromString(buf);
10902 } else { // no engine with this nickname is installed!
10903 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10904 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10905 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10907 DisplayError(buf, 0);
10914 char *recentEngines;
10917 RecentEngineEvent (int nr)
10920 // SwapEngines(1); // bump first to second
10921 // ReplaceEngine(&second, 1); // and load it there
10922 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10923 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10924 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10925 ReplaceEngine(&first, 0);
10926 FloatToFront(&appData.recentEngineList, command[n]);
10931 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10932 { // determine players from game number
10933 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10935 if(appData.tourneyType == 0) {
10936 roundsPerCycle = (nPlayers - 1) | 1;
10937 pairingsPerRound = nPlayers / 2;
10938 } else if(appData.tourneyType > 0) {
10939 roundsPerCycle = nPlayers - appData.tourneyType;
10940 pairingsPerRound = appData.tourneyType;
10942 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10943 gamesPerCycle = gamesPerRound * roundsPerCycle;
10944 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10945 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10946 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10947 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10948 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10949 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10951 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10952 if(appData.roundSync) *syncInterval = gamesPerRound;
10954 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10956 if(appData.tourneyType == 0) {
10957 if(curPairing == (nPlayers-1)/2 ) {
10958 *whitePlayer = curRound;
10959 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10961 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10962 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10963 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10964 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10966 } else if(appData.tourneyType > 1) {
10967 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10968 *whitePlayer = curRound + appData.tourneyType;
10969 } else if(appData.tourneyType > 0) {
10970 *whitePlayer = curPairing;
10971 *blackPlayer = curRound + appData.tourneyType;
10974 // take care of white/black alternation per round.
10975 // For cycles and games this is already taken care of by default, derived from matchGame!
10976 return curRound & 1;
10980 NextTourneyGame (int nr, int *swapColors)
10981 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
10983 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
10985 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
10986 tf = fopen(appData.tourneyFile, "r");
10987 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
10988 ParseArgsFromFile(tf); fclose(tf);
10989 InitTimeControls(); // TC might be altered from tourney file
10991 nPlayers = CountPlayers(appData.participants); // count participants
10992 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
10993 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
10996 p = q = appData.results;
10997 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
10998 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
10999 DisplayMessage(_("Waiting for other game(s)"),"");
11000 waitingForGame = TRUE;
11001 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11004 waitingForGame = FALSE;
11007 if(appData.tourneyType < 0) {
11008 if(nr>=0 && !pairingReceived) {
11010 if(pairing.pr == NoProc) {
11011 if(!appData.pairingEngine[0]) {
11012 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11015 StartChessProgram(&pairing); // starts the pairing engine
11017 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11018 SendToProgram(buf, &pairing);
11019 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11020 SendToProgram(buf, &pairing);
11021 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11023 pairingReceived = 0; // ... so we continue here
11025 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11026 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11027 matchGame = 1; roundNr = nr / syncInterval + 1;
11030 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11032 // redefine engines, engine dir, etc.
11033 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11034 if(first.pr == NoProc) {
11035 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11036 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11038 if(second.pr == NoProc) {
11040 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11041 SwapEngines(1); // and make that valid for second engine by swapping
11042 InitEngine(&second, 1);
11044 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11045 UpdateLogos(FALSE); // leave display to ModeHiglight()
11051 { // performs game initialization that does not invoke engines, and then tries to start the game
11052 int res, firstWhite, swapColors = 0;
11053 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11054 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
11056 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11057 if(strcmp(buf, currentDebugFile)) { // name has changed
11058 FILE *f = fopen(buf, "w");
11059 if(f) { // if opening the new file failed, just keep using the old one
11060 ASSIGN(currentDebugFile, buf);
11064 if(appData.serverFileName) {
11065 if(serverFP) fclose(serverFP);
11066 serverFP = fopen(appData.serverFileName, "w");
11067 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11068 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11072 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11073 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11074 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11075 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11076 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11077 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11078 Reset(FALSE, first.pr != NoProc);
11079 res = LoadGameOrPosition(matchGame); // setup game
11080 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11081 if(!res) return; // abort when bad game/pos file
11082 TwoMachinesEvent();
11086 UserAdjudicationEvent (int result)
11088 ChessMove gameResult = GameIsDrawn;
11091 gameResult = WhiteWins;
11093 else if( result < 0 ) {
11094 gameResult = BlackWins;
11097 if( gameMode == TwoMachinesPlay ) {
11098 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11103 // [HGM] save: calculate checksum of game to make games easily identifiable
11105 StringCheckSum (char *s)
11108 if(s==NULL) return 0;
11109 while(*s) i = i*259 + *s++;
11117 for(i=backwardMostMove; i<forwardMostMove; i++) {
11118 sum += pvInfoList[i].depth;
11119 sum += StringCheckSum(parseList[i]);
11120 sum += StringCheckSum(commentList[i]);
11123 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11124 return sum + StringCheckSum(commentList[i]);
11125 } // end of save patch
11128 GameEnds (ChessMove result, char *resultDetails, int whosays)
11130 GameMode nextGameMode;
11132 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11134 if(endingGame) return; /* [HGM] crash: forbid recursion */
11136 if(twoBoards) { // [HGM] dual: switch back to one board
11137 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11138 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11140 if (appData.debugMode) {
11141 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11142 result, resultDetails ? resultDetails : "(null)", whosays);
11145 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11147 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11149 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11150 /* If we are playing on ICS, the server decides when the
11151 game is over, but the engine can offer to draw, claim
11155 if (appData.zippyPlay && first.initDone) {
11156 if (result == GameIsDrawn) {
11157 /* In case draw still needs to be claimed */
11158 SendToICS(ics_prefix);
11159 SendToICS("draw\n");
11160 } else if (StrCaseStr(resultDetails, "resign")) {
11161 SendToICS(ics_prefix);
11162 SendToICS("resign\n");
11166 endingGame = 0; /* [HGM] crash */
11170 /* If we're loading the game from a file, stop */
11171 if (whosays == GE_FILE) {
11172 (void) StopLoadGameTimer();
11176 /* Cancel draw offers */
11177 first.offeredDraw = second.offeredDraw = 0;
11179 /* If this is an ICS game, only ICS can really say it's done;
11180 if not, anyone can. */
11181 isIcsGame = (gameMode == IcsPlayingWhite ||
11182 gameMode == IcsPlayingBlack ||
11183 gameMode == IcsObserving ||
11184 gameMode == IcsExamining);
11186 if (!isIcsGame || whosays == GE_ICS) {
11187 /* OK -- not an ICS game, or ICS said it was done */
11189 if (!isIcsGame && !appData.noChessProgram)
11190 SetUserThinkingEnables();
11192 /* [HGM] if a machine claims the game end we verify this claim */
11193 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11194 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11196 ChessMove trueResult = (ChessMove) -1;
11198 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11199 first.twoMachinesColor[0] :
11200 second.twoMachinesColor[0] ;
11202 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11203 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11204 /* [HGM] verify: engine mate claims accepted if they were flagged */
11205 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11207 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11208 /* [HGM] verify: engine mate claims accepted if they were flagged */
11209 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11211 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11212 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11215 // now verify win claims, but not in drop games, as we don't understand those yet
11216 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11217 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11218 (result == WhiteWins && claimer == 'w' ||
11219 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11220 if (appData.debugMode) {
11221 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11222 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11224 if(result != trueResult) {
11225 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11226 result = claimer == 'w' ? BlackWins : WhiteWins;
11227 resultDetails = buf;
11230 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11231 && (forwardMostMove <= backwardMostMove ||
11232 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11233 (claimer=='b')==(forwardMostMove&1))
11235 /* [HGM] verify: draws that were not flagged are false claims */
11236 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11237 result = claimer == 'w' ? BlackWins : WhiteWins;
11238 resultDetails = buf;
11240 /* (Claiming a loss is accepted no questions asked!) */
11241 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11242 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11243 result = GameUnfinished;
11244 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11246 /* [HGM] bare: don't allow bare King to win */
11247 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11248 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11249 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11250 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11251 && result != GameIsDrawn)
11252 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11253 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11254 int p = (signed char)boards[forwardMostMove][i][j] - color;
11255 if(p >= 0 && p <= (int)WhiteKing) k++;
11257 if (appData.debugMode) {
11258 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11259 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11262 result = GameIsDrawn;
11263 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11264 resultDetails = buf;
11270 if(serverMoves != NULL && !loadFlag) { char c = '=';
11271 if(result==WhiteWins) c = '+';
11272 if(result==BlackWins) c = '-';
11273 if(resultDetails != NULL)
11274 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11276 if (resultDetails != NULL) {
11277 gameInfo.result = result;
11278 gameInfo.resultDetails = StrSave(resultDetails);
11280 /* display last move only if game was not loaded from file */
11281 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11282 DisplayMove(currentMove - 1);
11284 if (forwardMostMove != 0) {
11285 if (gameMode != PlayFromGameFile && gameMode != EditGame
11286 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11288 if (*appData.saveGameFile != NULLCHAR) {
11289 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11290 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11292 SaveGameToFile(appData.saveGameFile, TRUE);
11293 } else if (appData.autoSaveGames) {
11294 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11296 if (*appData.savePositionFile != NULLCHAR) {
11297 SavePositionToFile(appData.savePositionFile);
11299 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11303 /* Tell program how game ended in case it is learning */
11304 /* [HGM] Moved this to after saving the PGN, just in case */
11305 /* engine died and we got here through time loss. In that */
11306 /* case we will get a fatal error writing the pipe, which */
11307 /* would otherwise lose us the PGN. */
11308 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11309 /* output during GameEnds should never be fatal anymore */
11310 if (gameMode == MachinePlaysWhite ||
11311 gameMode == MachinePlaysBlack ||
11312 gameMode == TwoMachinesPlay ||
11313 gameMode == IcsPlayingWhite ||
11314 gameMode == IcsPlayingBlack ||
11315 gameMode == BeginningOfGame) {
11317 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11319 if (first.pr != NoProc) {
11320 SendToProgram(buf, &first);
11322 if (second.pr != NoProc &&
11323 gameMode == TwoMachinesPlay) {
11324 SendToProgram(buf, &second);
11329 if (appData.icsActive) {
11330 if (appData.quietPlay &&
11331 (gameMode == IcsPlayingWhite ||
11332 gameMode == IcsPlayingBlack)) {
11333 SendToICS(ics_prefix);
11334 SendToICS("set shout 1\n");
11336 nextGameMode = IcsIdle;
11337 ics_user_moved = FALSE;
11338 /* clean up premove. It's ugly when the game has ended and the
11339 * premove highlights are still on the board.
11342 gotPremove = FALSE;
11343 ClearPremoveHighlights();
11344 DrawPosition(FALSE, boards[currentMove]);
11346 if (whosays == GE_ICS) {
11349 if (gameMode == IcsPlayingWhite)
11351 else if(gameMode == IcsPlayingBlack)
11352 PlayIcsLossSound();
11355 if (gameMode == IcsPlayingBlack)
11357 else if(gameMode == IcsPlayingWhite)
11358 PlayIcsLossSound();
11361 PlayIcsDrawSound();
11364 PlayIcsUnfinishedSound();
11367 if(appData.quitNext) { ExitEvent(0); return; }
11368 } else if (gameMode == EditGame ||
11369 gameMode == PlayFromGameFile ||
11370 gameMode == AnalyzeMode ||
11371 gameMode == AnalyzeFile) {
11372 nextGameMode = gameMode;
11374 nextGameMode = EndOfGame;
11379 nextGameMode = gameMode;
11382 if (appData.noChessProgram) {
11383 gameMode = nextGameMode;
11385 endingGame = 0; /* [HGM] crash */
11390 /* Put first chess program into idle state */
11391 if (first.pr != NoProc &&
11392 (gameMode == MachinePlaysWhite ||
11393 gameMode == MachinePlaysBlack ||
11394 gameMode == TwoMachinesPlay ||
11395 gameMode == IcsPlayingWhite ||
11396 gameMode == IcsPlayingBlack ||
11397 gameMode == BeginningOfGame)) {
11398 SendToProgram("force\n", &first);
11399 if (first.usePing) {
11401 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11402 SendToProgram(buf, &first);
11405 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11406 /* Kill off first chess program */
11407 if (first.isr != NULL)
11408 RemoveInputSource(first.isr);
11411 if (first.pr != NoProc) {
11413 DoSleep( appData.delayBeforeQuit );
11414 SendToProgram("quit\n", &first);
11415 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11416 first.reload = TRUE;
11420 if (second.reuse) {
11421 /* Put second chess program into idle state */
11422 if (second.pr != NoProc &&
11423 gameMode == TwoMachinesPlay) {
11424 SendToProgram("force\n", &second);
11425 if (second.usePing) {
11427 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11428 SendToProgram(buf, &second);
11431 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11432 /* Kill off second chess program */
11433 if (second.isr != NULL)
11434 RemoveInputSource(second.isr);
11437 if (second.pr != NoProc) {
11438 DoSleep( appData.delayBeforeQuit );
11439 SendToProgram("quit\n", &second);
11440 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11441 second.reload = TRUE;
11443 second.pr = NoProc;
11446 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11447 char resChar = '=';
11451 if (first.twoMachinesColor[0] == 'w') {
11454 second.matchWins++;
11459 if (first.twoMachinesColor[0] == 'b') {
11462 second.matchWins++;
11465 case GameUnfinished:
11471 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11472 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11473 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11474 ReserveGame(nextGame, resChar); // sets nextGame
11475 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11476 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11477 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11479 if (nextGame <= appData.matchGames && !abortMatch) {
11480 gameMode = nextGameMode;
11481 matchGame = nextGame; // this will be overruled in tourney mode!
11482 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11483 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11484 endingGame = 0; /* [HGM] crash */
11487 gameMode = nextGameMode;
11488 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11489 first.tidy, second.tidy,
11490 first.matchWins, second.matchWins,
11491 appData.matchGames - (first.matchWins + second.matchWins));
11492 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11493 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11494 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11495 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11496 first.twoMachinesColor = "black\n";
11497 second.twoMachinesColor = "white\n";
11499 first.twoMachinesColor = "white\n";
11500 second.twoMachinesColor = "black\n";
11504 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11505 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11507 gameMode = nextGameMode;
11509 endingGame = 0; /* [HGM] crash */
11510 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11511 if(matchMode == TRUE) { // match through command line: exit with or without popup
11513 ToNrEvent(forwardMostMove);
11514 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11516 } else DisplayFatalError(buf, 0, 0);
11517 } else { // match through menu; just stop, with or without popup
11518 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11521 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11522 } else DisplayNote(buf);
11524 if(ranking) free(ranking);
11528 /* Assumes program was just initialized (initString sent).
11529 Leaves program in force mode. */
11531 FeedMovesToProgram (ChessProgramState *cps, int upto)
11535 if (appData.debugMode)
11536 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11537 startedFromSetupPosition ? "position and " : "",
11538 backwardMostMove, upto, cps->which);
11539 if(currentlyInitializedVariant != gameInfo.variant) {
11541 // [HGM] variantswitch: make engine aware of new variant
11542 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11543 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11544 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11545 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11546 SendToProgram(buf, cps);
11547 currentlyInitializedVariant = gameInfo.variant;
11549 SendToProgram("force\n", cps);
11550 if (startedFromSetupPosition) {
11551 SendBoard(cps, backwardMostMove);
11552 if (appData.debugMode) {
11553 fprintf(debugFP, "feedMoves\n");
11556 for (i = backwardMostMove; i < upto; i++) {
11557 SendMoveToProgram(i, cps);
11563 ResurrectChessProgram ()
11565 /* The chess program may have exited.
11566 If so, restart it and feed it all the moves made so far. */
11567 static int doInit = 0;
11569 if (appData.noChessProgram) return 1;
11571 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11572 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11573 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11574 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11576 if (first.pr != NoProc) return 1;
11577 StartChessProgram(&first);
11579 InitChessProgram(&first, FALSE);
11580 FeedMovesToProgram(&first, currentMove);
11582 if (!first.sendTime) {
11583 /* can't tell gnuchess what its clock should read,
11584 so we bow to its notion. */
11586 timeRemaining[0][currentMove] = whiteTimeRemaining;
11587 timeRemaining[1][currentMove] = blackTimeRemaining;
11590 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11591 appData.icsEngineAnalyze) && first.analysisSupport) {
11592 SendToProgram("analyze\n", &first);
11593 first.analyzing = TRUE;
11599 * Button procedures
11602 Reset (int redraw, int init)
11606 if (appData.debugMode) {
11607 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11608 redraw, init, gameMode);
11610 CleanupTail(); // [HGM] vari: delete any stored variations
11611 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11612 pausing = pauseExamInvalid = FALSE;
11613 startedFromSetupPosition = blackPlaysFirst = FALSE;
11615 whiteFlag = blackFlag = FALSE;
11616 userOfferedDraw = FALSE;
11617 hintRequested = bookRequested = FALSE;
11618 first.maybeThinking = FALSE;
11619 second.maybeThinking = FALSE;
11620 first.bookSuspend = FALSE; // [HGM] book
11621 second.bookSuspend = FALSE;
11622 thinkOutput[0] = NULLCHAR;
11623 lastHint[0] = NULLCHAR;
11624 ClearGameInfo(&gameInfo);
11625 gameInfo.variant = StringToVariant(appData.variant);
11626 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11627 ics_user_moved = ics_clock_paused = FALSE;
11628 ics_getting_history = H_FALSE;
11630 white_holding[0] = black_holding[0] = NULLCHAR;
11631 ClearProgramStats();
11632 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11636 flipView = appData.flipView;
11637 ClearPremoveHighlights();
11638 gotPremove = FALSE;
11639 alarmSounded = FALSE;
11640 killX = killY = -1; // [HGM] lion
11642 GameEnds(EndOfFile, NULL, GE_PLAYER);
11643 if(appData.serverMovesName != NULL) {
11644 /* [HGM] prepare to make moves file for broadcasting */
11645 clock_t t = clock();
11646 if(serverMoves != NULL) fclose(serverMoves);
11647 serverMoves = fopen(appData.serverMovesName, "r");
11648 if(serverMoves != NULL) {
11649 fclose(serverMoves);
11650 /* delay 15 sec before overwriting, so all clients can see end */
11651 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11653 serverMoves = fopen(appData.serverMovesName, "w");
11657 gameMode = BeginningOfGame;
11659 if(appData.icsActive) gameInfo.variant = VariantNormal;
11660 currentMove = forwardMostMove = backwardMostMove = 0;
11661 MarkTargetSquares(1);
11662 InitPosition(redraw);
11663 for (i = 0; i < MAX_MOVES; i++) {
11664 if (commentList[i] != NULL) {
11665 free(commentList[i]);
11666 commentList[i] = NULL;
11670 timeRemaining[0][0] = whiteTimeRemaining;
11671 timeRemaining[1][0] = blackTimeRemaining;
11673 if (first.pr == NoProc) {
11674 StartChessProgram(&first);
11677 InitChessProgram(&first, startedFromSetupPosition);
11680 DisplayMessage("", "");
11681 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11682 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11683 ClearMap(); // [HGM] exclude: invalidate map
11687 AutoPlayGameLoop ()
11690 if (!AutoPlayOneMove())
11692 if (matchMode || appData.timeDelay == 0)
11694 if (appData.timeDelay < 0)
11696 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11704 ReloadGame(1); // next game
11710 int fromX, fromY, toX, toY;
11712 if (appData.debugMode) {
11713 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11716 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11719 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11720 pvInfoList[currentMove].depth = programStats.depth;
11721 pvInfoList[currentMove].score = programStats.score;
11722 pvInfoList[currentMove].time = 0;
11723 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11724 else { // append analysis of final position as comment
11726 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11727 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11729 programStats.depth = 0;
11732 if (currentMove >= forwardMostMove) {
11733 if(gameMode == AnalyzeFile) {
11734 if(appData.loadGameIndex == -1) {
11735 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11736 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11738 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11741 // gameMode = EndOfGame;
11742 // ModeHighlight();
11744 /* [AS] Clear current move marker at the end of a game */
11745 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11750 toX = moveList[currentMove][2] - AAA;
11751 toY = moveList[currentMove][3] - ONE;
11753 if (moveList[currentMove][1] == '@') {
11754 if (appData.highlightLastMove) {
11755 SetHighlights(-1, -1, toX, toY);
11758 fromX = moveList[currentMove][0] - AAA;
11759 fromY = moveList[currentMove][1] - ONE;
11761 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11763 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11765 if (appData.highlightLastMove) {
11766 SetHighlights(fromX, fromY, toX, toY);
11769 DisplayMove(currentMove);
11770 SendMoveToProgram(currentMove++, &first);
11771 DisplayBothClocks();
11772 DrawPosition(FALSE, boards[currentMove]);
11773 // [HGM] PV info: always display, routine tests if empty
11774 DisplayComment(currentMove - 1, commentList[currentMove]);
11780 LoadGameOneMove (ChessMove readAhead)
11782 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11783 char promoChar = NULLCHAR;
11784 ChessMove moveType;
11785 char move[MSG_SIZ];
11788 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11789 gameMode != AnalyzeMode && gameMode != Training) {
11794 yyboardindex = forwardMostMove;
11795 if (readAhead != EndOfFile) {
11796 moveType = readAhead;
11798 if (gameFileFP == NULL)
11800 moveType = (ChessMove) Myylex();
11804 switch (moveType) {
11806 if (appData.debugMode)
11807 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11810 /* append the comment but don't display it */
11811 AppendComment(currentMove, p, FALSE);
11814 case WhiteCapturesEnPassant:
11815 case BlackCapturesEnPassant:
11816 case WhitePromotion:
11817 case BlackPromotion:
11818 case WhiteNonPromotion:
11819 case BlackNonPromotion:
11822 case WhiteKingSideCastle:
11823 case WhiteQueenSideCastle:
11824 case BlackKingSideCastle:
11825 case BlackQueenSideCastle:
11826 case WhiteKingSideCastleWild:
11827 case WhiteQueenSideCastleWild:
11828 case BlackKingSideCastleWild:
11829 case BlackQueenSideCastleWild:
11831 case WhiteHSideCastleFR:
11832 case WhiteASideCastleFR:
11833 case BlackHSideCastleFR:
11834 case BlackASideCastleFR:
11836 if (appData.debugMode)
11837 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11838 fromX = currentMoveString[0] - AAA;
11839 fromY = currentMoveString[1] - ONE;
11840 toX = currentMoveString[2] - AAA;
11841 toY = currentMoveString[3] - ONE;
11842 promoChar = currentMoveString[4];
11843 if(promoChar == ';') promoChar = NULLCHAR;
11848 if (appData.debugMode)
11849 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11850 fromX = moveType == WhiteDrop ?
11851 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11852 (int) CharToPiece(ToLower(currentMoveString[0]));
11854 toX = currentMoveString[2] - AAA;
11855 toY = currentMoveString[3] - ONE;
11861 case GameUnfinished:
11862 if (appData.debugMode)
11863 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11864 p = strchr(yy_text, '{');
11865 if (p == NULL) p = strchr(yy_text, '(');
11868 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11870 q = strchr(p, *p == '{' ? '}' : ')');
11871 if (q != NULL) *q = NULLCHAR;
11874 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11875 GameEnds(moveType, p, GE_FILE);
11877 if (cmailMsgLoaded) {
11879 flipView = WhiteOnMove(currentMove);
11880 if (moveType == GameUnfinished) flipView = !flipView;
11881 if (appData.debugMode)
11882 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11887 if (appData.debugMode)
11888 fprintf(debugFP, "Parser hit end of file\n");
11889 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11895 if (WhiteOnMove(currentMove)) {
11896 GameEnds(BlackWins, "Black mates", GE_FILE);
11898 GameEnds(WhiteWins, "White mates", GE_FILE);
11902 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11908 case MoveNumberOne:
11909 if (lastLoadGameStart == GNUChessGame) {
11910 /* GNUChessGames have numbers, but they aren't move numbers */
11911 if (appData.debugMode)
11912 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11913 yy_text, (int) moveType);
11914 return LoadGameOneMove(EndOfFile); /* tail recursion */
11916 /* else fall thru */
11921 /* Reached start of next game in file */
11922 if (appData.debugMode)
11923 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11924 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11930 if (WhiteOnMove(currentMove)) {
11931 GameEnds(BlackWins, "Black mates", GE_FILE);
11933 GameEnds(WhiteWins, "White mates", GE_FILE);
11937 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11943 case PositionDiagram: /* should not happen; ignore */
11944 case ElapsedTime: /* ignore */
11945 case NAG: /* ignore */
11946 if (appData.debugMode)
11947 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11948 yy_text, (int) moveType);
11949 return LoadGameOneMove(EndOfFile); /* tail recursion */
11952 if (appData.testLegality) {
11953 if (appData.debugMode)
11954 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11955 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11956 (forwardMostMove / 2) + 1,
11957 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11958 DisplayError(move, 0);
11961 if (appData.debugMode)
11962 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11963 yy_text, currentMoveString);
11964 fromX = currentMoveString[0] - AAA;
11965 fromY = currentMoveString[1] - ONE;
11966 toX = currentMoveString[2] - AAA;
11967 toY = currentMoveString[3] - ONE;
11968 promoChar = currentMoveString[4];
11972 case AmbiguousMove:
11973 if (appData.debugMode)
11974 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
11975 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
11976 (forwardMostMove / 2) + 1,
11977 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11978 DisplayError(move, 0);
11983 case ImpossibleMove:
11984 if (appData.debugMode)
11985 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
11986 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11987 (forwardMostMove / 2) + 1,
11988 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11989 DisplayError(move, 0);
11995 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
11996 DrawPosition(FALSE, boards[currentMove]);
11997 DisplayBothClocks();
11998 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
11999 DisplayComment(currentMove - 1, commentList[currentMove]);
12001 (void) StopLoadGameTimer();
12003 cmailOldMove = forwardMostMove;
12006 /* currentMoveString is set as a side-effect of yylex */
12008 thinkOutput[0] = NULLCHAR;
12009 MakeMove(fromX, fromY, toX, toY, promoChar);
12010 killX = killY = -1; // [HGM] lion: used up
12011 currentMove = forwardMostMove;
12016 /* Load the nth game from the given file */
12018 LoadGameFromFile (char *filename, int n, char *title, int useList)
12023 if (strcmp(filename, "-") == 0) {
12027 f = fopen(filename, "rb");
12029 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12030 DisplayError(buf, errno);
12034 if (fseek(f, 0, 0) == -1) {
12035 /* f is not seekable; probably a pipe */
12038 if (useList && n == 0) {
12039 int error = GameListBuild(f);
12041 DisplayError(_("Cannot build game list"), error);
12042 } else if (!ListEmpty(&gameList) &&
12043 ((ListGame *) gameList.tailPred)->number > 1) {
12044 GameListPopUp(f, title);
12051 return LoadGame(f, n, title, FALSE);
12056 MakeRegisteredMove ()
12058 int fromX, fromY, toX, toY;
12060 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12061 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12064 if (appData.debugMode)
12065 fprintf(debugFP, "Restoring %s for game %d\n",
12066 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12068 thinkOutput[0] = NULLCHAR;
12069 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12070 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12071 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12072 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12073 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12074 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12075 MakeMove(fromX, fromY, toX, toY, promoChar);
12076 ShowMove(fromX, fromY, toX, toY);
12078 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12085 if (WhiteOnMove(currentMove)) {
12086 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12088 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12093 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12100 if (WhiteOnMove(currentMove)) {
12101 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12103 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12108 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12119 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12121 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12125 if (gameNumber > nCmailGames) {
12126 DisplayError(_("No more games in this message"), 0);
12129 if (f == lastLoadGameFP) {
12130 int offset = gameNumber - lastLoadGameNumber;
12132 cmailMsg[0] = NULLCHAR;
12133 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12134 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12135 nCmailMovesRegistered--;
12137 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12138 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12139 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12142 if (! RegisterMove()) return FALSE;
12146 retVal = LoadGame(f, gameNumber, title, useList);
12148 /* Make move registered during previous look at this game, if any */
12149 MakeRegisteredMove();
12151 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12152 commentList[currentMove]
12153 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12154 DisplayComment(currentMove - 1, commentList[currentMove]);
12160 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12162 ReloadGame (int offset)
12164 int gameNumber = lastLoadGameNumber + offset;
12165 if (lastLoadGameFP == NULL) {
12166 DisplayError(_("No game has been loaded yet"), 0);
12169 if (gameNumber <= 0) {
12170 DisplayError(_("Can't back up any further"), 0);
12173 if (cmailMsgLoaded) {
12174 return CmailLoadGame(lastLoadGameFP, gameNumber,
12175 lastLoadGameTitle, lastLoadGameUseList);
12177 return LoadGame(lastLoadGameFP, gameNumber,
12178 lastLoadGameTitle, lastLoadGameUseList);
12182 int keys[EmptySquare+1];
12185 PositionMatches (Board b1, Board b2)
12188 switch(appData.searchMode) {
12189 case 1: return CompareWithRights(b1, b2);
12191 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12192 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12196 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12197 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12198 sum += keys[b1[r][f]] - keys[b2[r][f]];
12202 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12203 sum += keys[b1[r][f]] - keys[b2[r][f]];
12215 int pieceList[256], quickBoard[256];
12216 ChessSquare pieceType[256] = { EmptySquare };
12217 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12218 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12219 int soughtTotal, turn;
12220 Boolean epOK, flipSearch;
12223 unsigned char piece, to;
12226 #define DSIZE (250000)
12228 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12229 Move *moveDatabase = initialSpace;
12230 unsigned int movePtr, dataSize = DSIZE;
12233 MakePieceList (Board board, int *counts)
12235 int r, f, n=Q_PROMO, total=0;
12236 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12237 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12238 int sq = f + (r<<4);
12239 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12240 quickBoard[sq] = ++n;
12242 pieceType[n] = board[r][f];
12243 counts[board[r][f]]++;
12244 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12245 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12249 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12254 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12256 int sq = fromX + (fromY<<4);
12257 int piece = quickBoard[sq], rook;
12258 quickBoard[sq] = 0;
12259 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12260 if(piece == pieceList[1] && fromY == toY) {
12261 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12262 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12263 moveDatabase[movePtr++].piece = Q_WCASTL;
12264 quickBoard[sq] = piece;
12265 piece = quickBoard[from]; quickBoard[from] = 0;
12266 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12267 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12268 quickBoard[sq] = 0; // remove Rook
12269 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12270 moveDatabase[movePtr++].piece = Q_WCASTL;
12271 quickBoard[sq] = pieceList[1]; // put King
12273 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12276 if(piece == pieceList[2] && fromY == toY) {
12277 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12278 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12279 moveDatabase[movePtr++].piece = Q_BCASTL;
12280 quickBoard[sq] = piece;
12281 piece = quickBoard[from]; quickBoard[from] = 0;
12282 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12283 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12284 quickBoard[sq] = 0; // remove Rook
12285 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12286 moveDatabase[movePtr++].piece = Q_BCASTL;
12287 quickBoard[sq] = pieceList[2]; // put King
12289 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12292 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12293 quickBoard[(fromY<<4)+toX] = 0;
12294 moveDatabase[movePtr].piece = Q_EP;
12295 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12296 moveDatabase[movePtr].to = sq;
12298 if(promoPiece != pieceType[piece]) {
12299 moveDatabase[movePtr++].piece = Q_PROMO;
12300 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12302 moveDatabase[movePtr].piece = piece;
12303 quickBoard[sq] = piece;
12308 PackGame (Board board)
12310 Move *newSpace = NULL;
12311 moveDatabase[movePtr].piece = 0; // terminate previous game
12312 if(movePtr > dataSize) {
12313 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12314 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12315 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12318 Move *p = moveDatabase, *q = newSpace;
12319 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12320 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12321 moveDatabase = newSpace;
12322 } else { // calloc failed, we must be out of memory. Too bad...
12323 dataSize = 0; // prevent calloc events for all subsequent games
12324 return 0; // and signal this one isn't cached
12328 MakePieceList(board, counts);
12333 QuickCompare (Board board, int *minCounts, int *maxCounts)
12334 { // compare according to search mode
12336 switch(appData.searchMode)
12338 case 1: // exact position match
12339 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12340 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12341 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12344 case 2: // can have extra material on empty squares
12345 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12346 if(board[r][f] == EmptySquare) continue;
12347 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12350 case 3: // material with exact Pawn structure
12351 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12352 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12353 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12354 } // fall through to material comparison
12355 case 4: // exact material
12356 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12358 case 6: // material range with given imbalance
12359 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12360 // fall through to range comparison
12361 case 5: // material range
12362 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12368 QuickScan (Board board, Move *move)
12369 { // reconstruct game,and compare all positions in it
12370 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12372 int piece = move->piece;
12373 int to = move->to, from = pieceList[piece];
12374 if(found < 0) { // if already found just scan to game end for final piece count
12375 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12376 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12377 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12378 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12380 static int lastCounts[EmptySquare+1];
12382 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12383 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12384 } else stretch = 0;
12385 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12386 if(found >= 0 && !appData.minPieces) return found;
12388 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12389 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12390 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12391 piece = (++move)->piece;
12392 from = pieceList[piece];
12393 counts[pieceType[piece]]--;
12394 pieceType[piece] = (ChessSquare) move->to;
12395 counts[move->to]++;
12396 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12397 counts[pieceType[quickBoard[to]]]--;
12398 quickBoard[to] = 0; total--;
12401 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12402 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12403 from = pieceList[piece]; // so this must be King
12404 quickBoard[from] = 0;
12405 pieceList[piece] = to;
12406 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12407 quickBoard[from] = 0; // rook
12408 quickBoard[to] = piece;
12409 to = move->to; piece = move->piece;
12413 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12414 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12415 quickBoard[from] = 0;
12417 quickBoard[to] = piece;
12418 pieceList[piece] = to;
12428 flipSearch = FALSE;
12429 CopyBoard(soughtBoard, boards[currentMove]);
12430 soughtTotal = MakePieceList(soughtBoard, maxSought);
12431 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12432 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12433 CopyBoard(reverseBoard, boards[currentMove]);
12434 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12435 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12436 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12437 reverseBoard[r][f] = piece;
12439 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12440 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12441 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12442 || (boards[currentMove][CASTLING][2] == NoRights ||
12443 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12444 && (boards[currentMove][CASTLING][5] == NoRights ||
12445 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12448 CopyBoard(flipBoard, soughtBoard);
12449 CopyBoard(rotateBoard, reverseBoard);
12450 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12451 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12452 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12455 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12456 if(appData.searchMode >= 5) {
12457 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12458 MakePieceList(soughtBoard, minSought);
12459 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12461 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12462 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12465 GameInfo dummyInfo;
12466 static int creatingBook;
12469 GameContainsPosition (FILE *f, ListGame *lg)
12471 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12472 int fromX, fromY, toX, toY;
12474 static int initDone=FALSE;
12476 // weed out games based on numerical tag comparison
12477 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12478 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12479 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12480 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12482 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12485 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12486 else CopyBoard(boards[scratch], initialPosition); // default start position
12489 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12490 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12493 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12494 fseek(f, lg->offset, 0);
12497 yyboardindex = scratch;
12498 quickFlag = plyNr+1;
12503 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12509 if(plyNr) return -1; // after we have seen moves, this is for new game
12512 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12513 case ImpossibleMove:
12514 case WhiteWins: // game ends here with these four
12517 case GameUnfinished:
12521 if(appData.testLegality) return -1;
12522 case WhiteCapturesEnPassant:
12523 case BlackCapturesEnPassant:
12524 case WhitePromotion:
12525 case BlackPromotion:
12526 case WhiteNonPromotion:
12527 case BlackNonPromotion:
12530 case WhiteKingSideCastle:
12531 case WhiteQueenSideCastle:
12532 case BlackKingSideCastle:
12533 case BlackQueenSideCastle:
12534 case WhiteKingSideCastleWild:
12535 case WhiteQueenSideCastleWild:
12536 case BlackKingSideCastleWild:
12537 case BlackQueenSideCastleWild:
12538 case WhiteHSideCastleFR:
12539 case WhiteASideCastleFR:
12540 case BlackHSideCastleFR:
12541 case BlackASideCastleFR:
12542 fromX = currentMoveString[0] - AAA;
12543 fromY = currentMoveString[1] - ONE;
12544 toX = currentMoveString[2] - AAA;
12545 toY = currentMoveString[3] - ONE;
12546 promoChar = currentMoveString[4];
12550 fromX = next == WhiteDrop ?
12551 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12552 (int) CharToPiece(ToLower(currentMoveString[0]));
12554 toX = currentMoveString[2] - AAA;
12555 toY = currentMoveString[3] - ONE;
12559 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12561 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12562 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12563 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12564 if(appData.findMirror) {
12565 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12566 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12571 /* Load the nth game from open file f */
12573 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12577 int gn = gameNumber;
12578 ListGame *lg = NULL;
12579 int numPGNTags = 0;
12581 GameMode oldGameMode;
12582 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12584 if (appData.debugMode)
12585 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12587 if (gameMode == Training )
12588 SetTrainingModeOff();
12590 oldGameMode = gameMode;
12591 if (gameMode != BeginningOfGame) {
12592 Reset(FALSE, TRUE);
12594 killX = killY = -1; // [HGM] lion: in case we did not Reset
12597 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12598 fclose(lastLoadGameFP);
12602 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12605 fseek(f, lg->offset, 0);
12606 GameListHighlight(gameNumber);
12607 pos = lg->position;
12611 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12612 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12614 DisplayError(_("Game number out of range"), 0);
12619 if (fseek(f, 0, 0) == -1) {
12620 if (f == lastLoadGameFP ?
12621 gameNumber == lastLoadGameNumber + 1 :
12625 DisplayError(_("Can't seek on game file"), 0);
12630 lastLoadGameFP = f;
12631 lastLoadGameNumber = gameNumber;
12632 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12633 lastLoadGameUseList = useList;
12637 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12638 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12639 lg->gameInfo.black);
12641 } else if (*title != NULLCHAR) {
12642 if (gameNumber > 1) {
12643 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12646 DisplayTitle(title);
12650 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12651 gameMode = PlayFromGameFile;
12655 currentMove = forwardMostMove = backwardMostMove = 0;
12656 CopyBoard(boards[0], initialPosition);
12660 * Skip the first gn-1 games in the file.
12661 * Also skip over anything that precedes an identifiable
12662 * start of game marker, to avoid being confused by
12663 * garbage at the start of the file. Currently
12664 * recognized start of game markers are the move number "1",
12665 * the pattern "gnuchess .* game", the pattern
12666 * "^[#;%] [^ ]* game file", and a PGN tag block.
12667 * A game that starts with one of the latter two patterns
12668 * will also have a move number 1, possibly
12669 * following a position diagram.
12670 * 5-4-02: Let's try being more lenient and allowing a game to
12671 * start with an unnumbered move. Does that break anything?
12673 cm = lastLoadGameStart = EndOfFile;
12675 yyboardindex = forwardMostMove;
12676 cm = (ChessMove) Myylex();
12679 if (cmailMsgLoaded) {
12680 nCmailGames = CMAIL_MAX_GAMES - gn;
12683 DisplayError(_("Game not found in file"), 0);
12690 lastLoadGameStart = cm;
12693 case MoveNumberOne:
12694 switch (lastLoadGameStart) {
12699 case MoveNumberOne:
12701 gn--; /* count this game */
12702 lastLoadGameStart = cm;
12711 switch (lastLoadGameStart) {
12714 case MoveNumberOne:
12716 gn--; /* count this game */
12717 lastLoadGameStart = cm;
12720 lastLoadGameStart = cm; /* game counted already */
12728 yyboardindex = forwardMostMove;
12729 cm = (ChessMove) Myylex();
12730 } while (cm == PGNTag || cm == Comment);
12737 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12738 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12739 != CMAIL_OLD_RESULT) {
12741 cmailResult[ CMAIL_MAX_GAMES
12742 - gn - 1] = CMAIL_OLD_RESULT;
12749 /* Only a NormalMove can be at the start of a game
12750 * without a position diagram. */
12751 if (lastLoadGameStart == EndOfFile ) {
12753 lastLoadGameStart = MoveNumberOne;
12762 if (appData.debugMode)
12763 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12765 if (cm == XBoardGame) {
12766 /* Skip any header junk before position diagram and/or move 1 */
12768 yyboardindex = forwardMostMove;
12769 cm = (ChessMove) Myylex();
12771 if (cm == EndOfFile ||
12772 cm == GNUChessGame || cm == XBoardGame) {
12773 /* Empty game; pretend end-of-file and handle later */
12778 if (cm == MoveNumberOne || cm == PositionDiagram ||
12779 cm == PGNTag || cm == Comment)
12782 } else if (cm == GNUChessGame) {
12783 if (gameInfo.event != NULL) {
12784 free(gameInfo.event);
12786 gameInfo.event = StrSave(yy_text);
12789 startedFromSetupPosition = FALSE;
12790 while (cm == PGNTag) {
12791 if (appData.debugMode)
12792 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12793 err = ParsePGNTag(yy_text, &gameInfo);
12794 if (!err) numPGNTags++;
12796 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12797 if(gameInfo.variant != oldVariant) {
12798 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12799 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12800 InitPosition(TRUE);
12801 oldVariant = gameInfo.variant;
12802 if (appData.debugMode)
12803 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12807 if (gameInfo.fen != NULL) {
12808 Board initial_position;
12809 startedFromSetupPosition = TRUE;
12810 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12812 DisplayError(_("Bad FEN position in file"), 0);
12815 CopyBoard(boards[0], initial_position);
12816 if (blackPlaysFirst) {
12817 currentMove = forwardMostMove = backwardMostMove = 1;
12818 CopyBoard(boards[1], initial_position);
12819 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12820 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12821 timeRemaining[0][1] = whiteTimeRemaining;
12822 timeRemaining[1][1] = blackTimeRemaining;
12823 if (commentList[0] != NULL) {
12824 commentList[1] = commentList[0];
12825 commentList[0] = NULL;
12828 currentMove = forwardMostMove = backwardMostMove = 0;
12830 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12832 initialRulePlies = FENrulePlies;
12833 for( i=0; i< nrCastlingRights; i++ )
12834 initialRights[i] = initial_position[CASTLING][i];
12836 yyboardindex = forwardMostMove;
12837 free(gameInfo.fen);
12838 gameInfo.fen = NULL;
12841 yyboardindex = forwardMostMove;
12842 cm = (ChessMove) Myylex();
12844 /* Handle comments interspersed among the tags */
12845 while (cm == Comment) {
12847 if (appData.debugMode)
12848 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12850 AppendComment(currentMove, p, FALSE);
12851 yyboardindex = forwardMostMove;
12852 cm = (ChessMove) Myylex();
12856 /* don't rely on existence of Event tag since if game was
12857 * pasted from clipboard the Event tag may not exist
12859 if (numPGNTags > 0){
12861 if (gameInfo.variant == VariantNormal) {
12862 VariantClass v = StringToVariant(gameInfo.event);
12863 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12864 if(v < VariantShogi) gameInfo.variant = v;
12867 if( appData.autoDisplayTags ) {
12868 tags = PGNTags(&gameInfo);
12869 TagsPopUp(tags, CmailMsg());
12874 /* Make something up, but don't display it now */
12879 if (cm == PositionDiagram) {
12882 Board initial_position;
12884 if (appData.debugMode)
12885 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12887 if (!startedFromSetupPosition) {
12889 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12890 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12901 initial_position[i][j++] = CharToPiece(*p);
12904 while (*p == ' ' || *p == '\t' ||
12905 *p == '\n' || *p == '\r') p++;
12907 if (strncmp(p, "black", strlen("black"))==0)
12908 blackPlaysFirst = TRUE;
12910 blackPlaysFirst = FALSE;
12911 startedFromSetupPosition = TRUE;
12913 CopyBoard(boards[0], initial_position);
12914 if (blackPlaysFirst) {
12915 currentMove = forwardMostMove = backwardMostMove = 1;
12916 CopyBoard(boards[1], initial_position);
12917 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12918 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12919 timeRemaining[0][1] = whiteTimeRemaining;
12920 timeRemaining[1][1] = blackTimeRemaining;
12921 if (commentList[0] != NULL) {
12922 commentList[1] = commentList[0];
12923 commentList[0] = NULL;
12926 currentMove = forwardMostMove = backwardMostMove = 0;
12929 yyboardindex = forwardMostMove;
12930 cm = (ChessMove) Myylex();
12933 if(!creatingBook) {
12934 if (first.pr == NoProc) {
12935 StartChessProgram(&first);
12937 InitChessProgram(&first, FALSE);
12938 SendToProgram("force\n", &first);
12939 if (startedFromSetupPosition) {
12940 SendBoard(&first, forwardMostMove);
12941 if (appData.debugMode) {
12942 fprintf(debugFP, "Load Game\n");
12944 DisplayBothClocks();
12948 /* [HGM] server: flag to write setup moves in broadcast file as one */
12949 loadFlag = appData.suppressLoadMoves;
12951 while (cm == Comment) {
12953 if (appData.debugMode)
12954 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12956 AppendComment(currentMove, p, FALSE);
12957 yyboardindex = forwardMostMove;
12958 cm = (ChessMove) Myylex();
12961 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12962 cm == WhiteWins || cm == BlackWins ||
12963 cm == GameIsDrawn || cm == GameUnfinished) {
12964 DisplayMessage("", _("No moves in game"));
12965 if (cmailMsgLoaded) {
12966 if (appData.debugMode)
12967 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
12971 DrawPosition(FALSE, boards[currentMove]);
12972 DisplayBothClocks();
12973 gameMode = EditGame;
12980 // [HGM] PV info: routine tests if comment empty
12981 if (!matchMode && (pausing || appData.timeDelay != 0)) {
12982 DisplayComment(currentMove - 1, commentList[currentMove]);
12984 if (!matchMode && appData.timeDelay != 0)
12985 DrawPosition(FALSE, boards[currentMove]);
12987 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
12988 programStats.ok_to_send = 1;
12991 /* if the first token after the PGN tags is a move
12992 * and not move number 1, retrieve it from the parser
12994 if (cm != MoveNumberOne)
12995 LoadGameOneMove(cm);
12997 /* load the remaining moves from the file */
12998 while (LoadGameOneMove(EndOfFile)) {
12999 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13000 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13003 /* rewind to the start of the game */
13004 currentMove = backwardMostMove;
13006 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13008 if (oldGameMode == AnalyzeFile) {
13009 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13010 AnalyzeFileEvent();
13012 if (oldGameMode == AnalyzeMode) {
13013 AnalyzeFileEvent();
13016 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13017 long int w, b; // [HGM] adjourn: restore saved clock times
13018 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13019 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13020 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13021 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13025 if(creatingBook) return TRUE;
13026 if (!matchMode && pos > 0) {
13027 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13029 if (matchMode || appData.timeDelay == 0) {
13031 } else if (appData.timeDelay > 0) {
13032 AutoPlayGameLoop();
13035 if (appData.debugMode)
13036 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13038 loadFlag = 0; /* [HGM] true game starts */
13042 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13044 ReloadPosition (int offset)
13046 int positionNumber = lastLoadPositionNumber + offset;
13047 if (lastLoadPositionFP == NULL) {
13048 DisplayError(_("No position has been loaded yet"), 0);
13051 if (positionNumber <= 0) {
13052 DisplayError(_("Can't back up any further"), 0);
13055 return LoadPosition(lastLoadPositionFP, positionNumber,
13056 lastLoadPositionTitle);
13059 /* Load the nth position from the given file */
13061 LoadPositionFromFile (char *filename, int n, char *title)
13066 if (strcmp(filename, "-") == 0) {
13067 return LoadPosition(stdin, n, "stdin");
13069 f = fopen(filename, "rb");
13071 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13072 DisplayError(buf, errno);
13075 return LoadPosition(f, n, title);
13080 /* Load the nth position from the given open file, and close it */
13082 LoadPosition (FILE *f, int positionNumber, char *title)
13084 char *p, line[MSG_SIZ];
13085 Board initial_position;
13086 int i, j, fenMode, pn;
13088 if (gameMode == Training )
13089 SetTrainingModeOff();
13091 if (gameMode != BeginningOfGame) {
13092 Reset(FALSE, TRUE);
13094 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13095 fclose(lastLoadPositionFP);
13097 if (positionNumber == 0) positionNumber = 1;
13098 lastLoadPositionFP = f;
13099 lastLoadPositionNumber = positionNumber;
13100 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13101 if (first.pr == NoProc && !appData.noChessProgram) {
13102 StartChessProgram(&first);
13103 InitChessProgram(&first, FALSE);
13105 pn = positionNumber;
13106 if (positionNumber < 0) {
13107 /* Negative position number means to seek to that byte offset */
13108 if (fseek(f, -positionNumber, 0) == -1) {
13109 DisplayError(_("Can't seek on position file"), 0);
13114 if (fseek(f, 0, 0) == -1) {
13115 if (f == lastLoadPositionFP ?
13116 positionNumber == lastLoadPositionNumber + 1 :
13117 positionNumber == 1) {
13120 DisplayError(_("Can't seek on position file"), 0);
13125 /* See if this file is FEN or old-style xboard */
13126 if (fgets(line, MSG_SIZ, f) == NULL) {
13127 DisplayError(_("Position not found in file"), 0);
13130 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
13131 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
13134 if (fenMode || line[0] == '#') pn--;
13136 /* skip positions before number pn */
13137 if (fgets(line, MSG_SIZ, f) == NULL) {
13139 DisplayError(_("Position not found in file"), 0);
13142 if (fenMode || line[0] == '#') pn--;
13147 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13148 DisplayError(_("Bad FEN position in file"), 0);
13152 (void) fgets(line, MSG_SIZ, f);
13153 (void) fgets(line, MSG_SIZ, f);
13155 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13156 (void) fgets(line, MSG_SIZ, f);
13157 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13160 initial_position[i][j++] = CharToPiece(*p);
13164 blackPlaysFirst = FALSE;
13166 (void) fgets(line, MSG_SIZ, f);
13167 if (strncmp(line, "black", strlen("black"))==0)
13168 blackPlaysFirst = TRUE;
13171 startedFromSetupPosition = TRUE;
13173 CopyBoard(boards[0], initial_position);
13174 if (blackPlaysFirst) {
13175 currentMove = forwardMostMove = backwardMostMove = 1;
13176 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13177 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13178 CopyBoard(boards[1], initial_position);
13179 DisplayMessage("", _("Black to play"));
13181 currentMove = forwardMostMove = backwardMostMove = 0;
13182 DisplayMessage("", _("White to play"));
13184 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13185 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13186 SendToProgram("force\n", &first);
13187 SendBoard(&first, forwardMostMove);
13189 if (appData.debugMode) {
13191 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13192 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13193 fprintf(debugFP, "Load Position\n");
13196 if (positionNumber > 1) {
13197 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13198 DisplayTitle(line);
13200 DisplayTitle(title);
13202 gameMode = EditGame;
13205 timeRemaining[0][1] = whiteTimeRemaining;
13206 timeRemaining[1][1] = blackTimeRemaining;
13207 DrawPosition(FALSE, boards[currentMove]);
13214 CopyPlayerNameIntoFileName (char **dest, char *src)
13216 while (*src != NULLCHAR && *src != ',') {
13221 *(*dest)++ = *src++;
13227 DefaultFileName (char *ext)
13229 static char def[MSG_SIZ];
13232 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13234 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13236 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13238 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13245 /* Save the current game to the given file */
13247 SaveGameToFile (char *filename, int append)
13251 int result, i, t,tot=0;
13253 if (strcmp(filename, "-") == 0) {
13254 return SaveGame(stdout, 0, NULL);
13256 for(i=0; i<10; i++) { // upto 10 tries
13257 f = fopen(filename, append ? "a" : "w");
13258 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13259 if(f || errno != 13) break;
13260 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13264 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13265 DisplayError(buf, errno);
13268 safeStrCpy(buf, lastMsg, MSG_SIZ);
13269 DisplayMessage(_("Waiting for access to save file"), "");
13270 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13271 DisplayMessage(_("Saving game"), "");
13272 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13273 result = SaveGame(f, 0, NULL);
13274 DisplayMessage(buf, "");
13281 SavePart (char *str)
13283 static char buf[MSG_SIZ];
13286 p = strchr(str, ' ');
13287 if (p == NULL) return str;
13288 strncpy(buf, str, p - str);
13289 buf[p - str] = NULLCHAR;
13293 #define PGN_MAX_LINE 75
13295 #define PGN_SIDE_WHITE 0
13296 #define PGN_SIDE_BLACK 1
13299 FindFirstMoveOutOfBook (int side)
13303 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13304 int index = backwardMostMove;
13305 int has_book_hit = 0;
13307 if( (index % 2) != side ) {
13311 while( index < forwardMostMove ) {
13312 /* Check to see if engine is in book */
13313 int depth = pvInfoList[index].depth;
13314 int score = pvInfoList[index].score;
13320 else if( score == 0 && depth == 63 ) {
13321 in_book = 1; /* Zappa */
13323 else if( score == 2 && depth == 99 ) {
13324 in_book = 1; /* Abrok */
13327 has_book_hit += in_book;
13343 GetOutOfBookInfo (char * buf)
13347 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13349 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13350 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13354 if( oob[0] >= 0 || oob[1] >= 0 ) {
13355 for( i=0; i<2; i++ ) {
13359 if( i > 0 && oob[0] >= 0 ) {
13360 strcat( buf, " " );
13363 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13364 sprintf( buf+strlen(buf), "%s%.2f",
13365 pvInfoList[idx].score >= 0 ? "+" : "",
13366 pvInfoList[idx].score / 100.0 );
13372 /* Save game in PGN style */
13374 SaveGamePGN2 (FILE *f)
13376 int i, offset, linelen, newblock;
13379 int movelen, numlen, blank;
13380 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13382 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13384 PrintPGNTags(f, &gameInfo);
13386 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13388 if (backwardMostMove > 0 || startedFromSetupPosition) {
13389 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13390 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13391 fprintf(f, "\n{--------------\n");
13392 PrintPosition(f, backwardMostMove);
13393 fprintf(f, "--------------}\n");
13397 /* [AS] Out of book annotation */
13398 if( appData.saveOutOfBookInfo ) {
13401 GetOutOfBookInfo( buf );
13403 if( buf[0] != '\0' ) {
13404 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13411 i = backwardMostMove;
13415 while (i < forwardMostMove) {
13416 /* Print comments preceding this move */
13417 if (commentList[i] != NULL) {
13418 if (linelen > 0) fprintf(f, "\n");
13419 fprintf(f, "%s", commentList[i]);
13424 /* Format move number */
13426 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13429 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13431 numtext[0] = NULLCHAR;
13433 numlen = strlen(numtext);
13436 /* Print move number */
13437 blank = linelen > 0 && numlen > 0;
13438 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13447 fprintf(f, "%s", numtext);
13451 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13452 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13455 blank = linelen > 0 && movelen > 0;
13456 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13465 fprintf(f, "%s", move_buffer);
13466 linelen += movelen;
13468 /* [AS] Add PV info if present */
13469 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13470 /* [HGM] add time */
13471 char buf[MSG_SIZ]; int seconds;
13473 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13479 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13482 seconds = (seconds + 4)/10; // round to full seconds
13484 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13486 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13489 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13490 pvInfoList[i].score >= 0 ? "+" : "",
13491 pvInfoList[i].score / 100.0,
13492 pvInfoList[i].depth,
13495 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13497 /* Print score/depth */
13498 blank = linelen > 0 && movelen > 0;
13499 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13508 fprintf(f, "%s", move_buffer);
13509 linelen += movelen;
13515 /* Start a new line */
13516 if (linelen > 0) fprintf(f, "\n");
13518 /* Print comments after last move */
13519 if (commentList[i] != NULL) {
13520 fprintf(f, "%s\n", commentList[i]);
13524 if (gameInfo.resultDetails != NULL &&
13525 gameInfo.resultDetails[0] != NULLCHAR) {
13526 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13527 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13528 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13529 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13530 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13532 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13536 /* Save game in PGN style and close the file */
13538 SaveGamePGN (FILE *f)
13542 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13546 /* Save game in old style and close the file */
13548 SaveGameOldStyle (FILE *f)
13553 tm = time((time_t *) NULL);
13555 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13558 if (backwardMostMove > 0 || startedFromSetupPosition) {
13559 fprintf(f, "\n[--------------\n");
13560 PrintPosition(f, backwardMostMove);
13561 fprintf(f, "--------------]\n");
13566 i = backwardMostMove;
13567 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13569 while (i < forwardMostMove) {
13570 if (commentList[i] != NULL) {
13571 fprintf(f, "[%s]\n", commentList[i]);
13574 if ((i % 2) == 1) {
13575 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13578 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13580 if (commentList[i] != NULL) {
13584 if (i >= forwardMostMove) {
13588 fprintf(f, "%s\n", parseList[i]);
13593 if (commentList[i] != NULL) {
13594 fprintf(f, "[%s]\n", commentList[i]);
13597 /* This isn't really the old style, but it's close enough */
13598 if (gameInfo.resultDetails != NULL &&
13599 gameInfo.resultDetails[0] != NULLCHAR) {
13600 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13601 gameInfo.resultDetails);
13603 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13610 /* Save the current game to open file f and close the file */
13612 SaveGame (FILE *f, int dummy, char *dummy2)
13614 if (gameMode == EditPosition) EditPositionDone(TRUE);
13615 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13616 if (appData.oldSaveStyle)
13617 return SaveGameOldStyle(f);
13619 return SaveGamePGN(f);
13622 /* Save the current position to the given file */
13624 SavePositionToFile (char *filename)
13629 if (strcmp(filename, "-") == 0) {
13630 return SavePosition(stdout, 0, NULL);
13632 f = fopen(filename, "a");
13634 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13635 DisplayError(buf, errno);
13638 safeStrCpy(buf, lastMsg, MSG_SIZ);
13639 DisplayMessage(_("Waiting for access to save file"), "");
13640 flock(fileno(f), LOCK_EX); // [HGM] lock
13641 DisplayMessage(_("Saving position"), "");
13642 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13643 SavePosition(f, 0, NULL);
13644 DisplayMessage(buf, "");
13650 /* Save the current position to the given open file and close the file */
13652 SavePosition (FILE *f, int dummy, char *dummy2)
13657 if (gameMode == EditPosition) EditPositionDone(TRUE);
13658 if (appData.oldSaveStyle) {
13659 tm = time((time_t *) NULL);
13661 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13663 fprintf(f, "[--------------\n");
13664 PrintPosition(f, currentMove);
13665 fprintf(f, "--------------]\n");
13667 fen = PositionToFEN(currentMove, NULL, 1);
13668 fprintf(f, "%s\n", fen);
13676 ReloadCmailMsgEvent (int unregister)
13679 static char *inFilename = NULL;
13680 static char *outFilename;
13682 struct stat inbuf, outbuf;
13685 /* Any registered moves are unregistered if unregister is set, */
13686 /* i.e. invoked by the signal handler */
13688 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13689 cmailMoveRegistered[i] = FALSE;
13690 if (cmailCommentList[i] != NULL) {
13691 free(cmailCommentList[i]);
13692 cmailCommentList[i] = NULL;
13695 nCmailMovesRegistered = 0;
13698 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13699 cmailResult[i] = CMAIL_NOT_RESULT;
13703 if (inFilename == NULL) {
13704 /* Because the filenames are static they only get malloced once */
13705 /* and they never get freed */
13706 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13707 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13709 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13710 sprintf(outFilename, "%s.out", appData.cmailGameName);
13713 status = stat(outFilename, &outbuf);
13715 cmailMailedMove = FALSE;
13717 status = stat(inFilename, &inbuf);
13718 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13721 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13722 counts the games, notes how each one terminated, etc.
13724 It would be nice to remove this kludge and instead gather all
13725 the information while building the game list. (And to keep it
13726 in the game list nodes instead of having a bunch of fixed-size
13727 parallel arrays.) Note this will require getting each game's
13728 termination from the PGN tags, as the game list builder does
13729 not process the game moves. --mann
13731 cmailMsgLoaded = TRUE;
13732 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13734 /* Load first game in the file or popup game menu */
13735 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13737 #endif /* !WIN32 */
13745 char string[MSG_SIZ];
13747 if ( cmailMailedMove
13748 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13749 return TRUE; /* Allow free viewing */
13752 /* Unregister move to ensure that we don't leave RegisterMove */
13753 /* with the move registered when the conditions for registering no */
13755 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13756 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13757 nCmailMovesRegistered --;
13759 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13761 free(cmailCommentList[lastLoadGameNumber - 1]);
13762 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13766 if (cmailOldMove == -1) {
13767 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13771 if (currentMove > cmailOldMove + 1) {
13772 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13776 if (currentMove < cmailOldMove) {
13777 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13781 if (forwardMostMove > currentMove) {
13782 /* Silently truncate extra moves */
13786 if ( (currentMove == cmailOldMove + 1)
13787 || ( (currentMove == cmailOldMove)
13788 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13789 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13790 if (gameInfo.result != GameUnfinished) {
13791 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13794 if (commentList[currentMove] != NULL) {
13795 cmailCommentList[lastLoadGameNumber - 1]
13796 = StrSave(commentList[currentMove]);
13798 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13800 if (appData.debugMode)
13801 fprintf(debugFP, "Saving %s for game %d\n",
13802 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13804 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13806 f = fopen(string, "w");
13807 if (appData.oldSaveStyle) {
13808 SaveGameOldStyle(f); /* also closes the file */
13810 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13811 f = fopen(string, "w");
13812 SavePosition(f, 0, NULL); /* also closes the file */
13814 fprintf(f, "{--------------\n");
13815 PrintPosition(f, currentMove);
13816 fprintf(f, "--------------}\n\n");
13818 SaveGame(f, 0, NULL); /* also closes the file*/
13821 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13822 nCmailMovesRegistered ++;
13823 } else if (nCmailGames == 1) {
13824 DisplayError(_("You have not made a move yet"), 0);
13835 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13836 FILE *commandOutput;
13837 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13838 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13844 if (! cmailMsgLoaded) {
13845 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13849 if (nCmailGames == nCmailResults) {
13850 DisplayError(_("No unfinished games"), 0);
13854 #if CMAIL_PROHIBIT_REMAIL
13855 if (cmailMailedMove) {
13856 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);
13857 DisplayError(msg, 0);
13862 if (! (cmailMailedMove || RegisterMove())) return;
13864 if ( cmailMailedMove
13865 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13866 snprintf(string, MSG_SIZ, partCommandString,
13867 appData.debugMode ? " -v" : "", appData.cmailGameName);
13868 commandOutput = popen(string, "r");
13870 if (commandOutput == NULL) {
13871 DisplayError(_("Failed to invoke cmail"), 0);
13873 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13874 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13876 if (nBuffers > 1) {
13877 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13878 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13879 nBytes = MSG_SIZ - 1;
13881 (void) memcpy(msg, buffer, nBytes);
13883 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13885 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13886 cmailMailedMove = TRUE; /* Prevent >1 moves */
13889 for (i = 0; i < nCmailGames; i ++) {
13890 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13895 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13897 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13899 appData.cmailGameName,
13901 LoadGameFromFile(buffer, 1, buffer, FALSE);
13902 cmailMsgLoaded = FALSE;
13906 DisplayInformation(msg);
13907 pclose(commandOutput);
13910 if ((*cmailMsg) != '\0') {
13911 DisplayInformation(cmailMsg);
13916 #endif /* !WIN32 */
13925 int prependComma = 0;
13927 char string[MSG_SIZ]; /* Space for game-list */
13930 if (!cmailMsgLoaded) return "";
13932 if (cmailMailedMove) {
13933 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13935 /* Create a list of games left */
13936 snprintf(string, MSG_SIZ, "[");
13937 for (i = 0; i < nCmailGames; i ++) {
13938 if (! ( cmailMoveRegistered[i]
13939 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13940 if (prependComma) {
13941 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13943 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13947 strcat(string, number);
13950 strcat(string, "]");
13952 if (nCmailMovesRegistered + nCmailResults == 0) {
13953 switch (nCmailGames) {
13955 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13959 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13963 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
13968 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
13970 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
13975 if (nCmailResults == nCmailGames) {
13976 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
13978 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
13983 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
13995 if (gameMode == Training)
13996 SetTrainingModeOff();
13999 cmailMsgLoaded = FALSE;
14000 if (appData.icsActive) {
14001 SendToICS(ics_prefix);
14002 SendToICS("refresh\n");
14007 ExitEvent (int status)
14011 /* Give up on clean exit */
14015 /* Keep trying for clean exit */
14019 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14020 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14022 if (telnetISR != NULL) {
14023 RemoveInputSource(telnetISR);
14025 if (icsPR != NoProc) {
14026 DestroyChildProcess(icsPR, TRUE);
14029 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14030 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14032 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14033 /* make sure this other one finishes before killing it! */
14034 if(endingGame) { int count = 0;
14035 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14036 while(endingGame && count++ < 10) DoSleep(1);
14037 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14040 /* Kill off chess programs */
14041 if (first.pr != NoProc) {
14044 DoSleep( appData.delayBeforeQuit );
14045 SendToProgram("quit\n", &first);
14046 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14048 if (second.pr != NoProc) {
14049 DoSleep( appData.delayBeforeQuit );
14050 SendToProgram("quit\n", &second);
14051 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14053 if (first.isr != NULL) {
14054 RemoveInputSource(first.isr);
14056 if (second.isr != NULL) {
14057 RemoveInputSource(second.isr);
14060 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14061 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14063 ShutDownFrontEnd();
14068 PauseEngine (ChessProgramState *cps)
14070 SendToProgram("pause\n", cps);
14075 UnPauseEngine (ChessProgramState *cps)
14077 SendToProgram("resume\n", cps);
14084 if (appData.debugMode)
14085 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14089 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14091 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14092 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14093 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14095 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14096 HandleMachineMove(stashedInputMove, stalledEngine);
14097 stalledEngine = NULL;
14100 if (gameMode == MachinePlaysWhite ||
14101 gameMode == TwoMachinesPlay ||
14102 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14103 if(first.pause) UnPauseEngine(&first);
14104 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14105 if(second.pause) UnPauseEngine(&second);
14106 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14109 DisplayBothClocks();
14111 if (gameMode == PlayFromGameFile) {
14112 if (appData.timeDelay >= 0)
14113 AutoPlayGameLoop();
14114 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14115 Reset(FALSE, TRUE);
14116 SendToICS(ics_prefix);
14117 SendToICS("refresh\n");
14118 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14119 ForwardInner(forwardMostMove);
14121 pauseExamInvalid = FALSE;
14123 switch (gameMode) {
14127 pauseExamForwardMostMove = forwardMostMove;
14128 pauseExamInvalid = FALSE;
14131 case IcsPlayingWhite:
14132 case IcsPlayingBlack:
14136 case PlayFromGameFile:
14137 (void) StopLoadGameTimer();
14141 case BeginningOfGame:
14142 if (appData.icsActive) return;
14143 /* else fall through */
14144 case MachinePlaysWhite:
14145 case MachinePlaysBlack:
14146 case TwoMachinesPlay:
14147 if (forwardMostMove == 0)
14148 return; /* don't pause if no one has moved */
14149 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14150 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14151 if(onMove->pause) { // thinking engine can be paused
14152 PauseEngine(onMove); // do it
14153 if(onMove->other->pause) // pondering opponent can always be paused immediately
14154 PauseEngine(onMove->other);
14156 SendToProgram("easy\n", onMove->other);
14158 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14159 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14161 PauseEngine(&first);
14163 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14164 } else { // human on move, pause pondering by either method
14166 PauseEngine(&first);
14167 else if(appData.ponderNextMove)
14168 SendToProgram("easy\n", &first);
14171 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14181 EditCommentEvent ()
14183 char title[MSG_SIZ];
14185 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14186 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14188 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14189 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14190 parseList[currentMove - 1]);
14193 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14200 char *tags = PGNTags(&gameInfo);
14202 EditTagsPopUp(tags, NULL);
14209 if(second.analyzing) {
14210 SendToProgram("exit\n", &second);
14211 second.analyzing = FALSE;
14213 if (second.pr == NoProc) StartChessProgram(&second);
14214 InitChessProgram(&second, FALSE);
14215 FeedMovesToProgram(&second, currentMove);
14217 SendToProgram("analyze\n", &second);
14218 second.analyzing = TRUE;
14222 /* Toggle ShowThinking */
14224 ToggleShowThinking()
14226 appData.showThinking = !appData.showThinking;
14227 ShowThinkingEvent();
14231 AnalyzeModeEvent ()
14235 if (!first.analysisSupport) {
14236 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14237 DisplayError(buf, 0);
14240 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14241 if (appData.icsActive) {
14242 if (gameMode != IcsObserving) {
14243 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14244 DisplayError(buf, 0);
14246 if (appData.icsEngineAnalyze) {
14247 if (appData.debugMode)
14248 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14254 /* if enable, user wants to disable icsEngineAnalyze */
14255 if (appData.icsEngineAnalyze) {
14260 appData.icsEngineAnalyze = TRUE;
14261 if (appData.debugMode)
14262 fprintf(debugFP, "ICS engine analyze starting... \n");
14265 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14266 if (appData.noChessProgram || gameMode == AnalyzeMode)
14269 if (gameMode != AnalyzeFile) {
14270 if (!appData.icsEngineAnalyze) {
14272 if (gameMode != EditGame) return 0;
14274 if (!appData.showThinking) ToggleShowThinking();
14275 ResurrectChessProgram();
14276 SendToProgram("analyze\n", &first);
14277 first.analyzing = TRUE;
14278 /*first.maybeThinking = TRUE;*/
14279 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14280 EngineOutputPopUp();
14282 if (!appData.icsEngineAnalyze) {
14283 gameMode = AnalyzeMode;
14284 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14290 StartAnalysisClock();
14291 GetTimeMark(&lastNodeCountTime);
14297 AnalyzeFileEvent ()
14299 if (appData.noChessProgram || gameMode == AnalyzeFile)
14302 if (!first.analysisSupport) {
14304 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14305 DisplayError(buf, 0);
14309 if (gameMode != AnalyzeMode) {
14310 keepInfo = 1; // mere annotating should not alter PGN tags
14313 if (gameMode != EditGame) return;
14314 if (!appData.showThinking) ToggleShowThinking();
14315 ResurrectChessProgram();
14316 SendToProgram("analyze\n", &first);
14317 first.analyzing = TRUE;
14318 /*first.maybeThinking = TRUE;*/
14319 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14320 EngineOutputPopUp();
14322 gameMode = AnalyzeFile;
14326 StartAnalysisClock();
14327 GetTimeMark(&lastNodeCountTime);
14329 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14330 AnalysisPeriodicEvent(1);
14334 MachineWhiteEvent ()
14337 char *bookHit = NULL;
14339 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14343 if (gameMode == PlayFromGameFile ||
14344 gameMode == TwoMachinesPlay ||
14345 gameMode == Training ||
14346 gameMode == AnalyzeMode ||
14347 gameMode == EndOfGame)
14350 if (gameMode == EditPosition)
14351 EditPositionDone(TRUE);
14353 if (!WhiteOnMove(currentMove)) {
14354 DisplayError(_("It is not White's turn"), 0);
14358 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14361 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14362 gameMode == AnalyzeFile)
14365 ResurrectChessProgram(); /* in case it isn't running */
14366 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14367 gameMode = MachinePlaysWhite;
14370 gameMode = MachinePlaysWhite;
14374 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14376 if (first.sendName) {
14377 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14378 SendToProgram(buf, &first);
14380 if (first.sendTime) {
14381 if (first.useColors) {
14382 SendToProgram("black\n", &first); /*gnu kludge*/
14384 SendTimeRemaining(&first, TRUE);
14386 if (first.useColors) {
14387 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14389 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14390 SetMachineThinkingEnables();
14391 first.maybeThinking = TRUE;
14395 if (appData.autoFlipView && !flipView) {
14396 flipView = !flipView;
14397 DrawPosition(FALSE, NULL);
14398 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14401 if(bookHit) { // [HGM] book: simulate book reply
14402 static char bookMove[MSG_SIZ]; // a bit generous?
14404 programStats.nodes = programStats.depth = programStats.time =
14405 programStats.score = programStats.got_only_move = 0;
14406 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14408 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14409 strcat(bookMove, bookHit);
14410 HandleMachineMove(bookMove, &first);
14415 MachineBlackEvent ()
14418 char *bookHit = NULL;
14420 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14424 if (gameMode == PlayFromGameFile ||
14425 gameMode == TwoMachinesPlay ||
14426 gameMode == Training ||
14427 gameMode == AnalyzeMode ||
14428 gameMode == EndOfGame)
14431 if (gameMode == EditPosition)
14432 EditPositionDone(TRUE);
14434 if (WhiteOnMove(currentMove)) {
14435 DisplayError(_("It is not Black's turn"), 0);
14439 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14442 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14443 gameMode == AnalyzeFile)
14446 ResurrectChessProgram(); /* in case it isn't running */
14447 gameMode = MachinePlaysBlack;
14451 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14453 if (first.sendName) {
14454 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14455 SendToProgram(buf, &first);
14457 if (first.sendTime) {
14458 if (first.useColors) {
14459 SendToProgram("white\n", &first); /*gnu kludge*/
14461 SendTimeRemaining(&first, FALSE);
14463 if (first.useColors) {
14464 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14466 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14467 SetMachineThinkingEnables();
14468 first.maybeThinking = TRUE;
14471 if (appData.autoFlipView && flipView) {
14472 flipView = !flipView;
14473 DrawPosition(FALSE, NULL);
14474 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14476 if(bookHit) { // [HGM] book: simulate book reply
14477 static char bookMove[MSG_SIZ]; // a bit generous?
14479 programStats.nodes = programStats.depth = programStats.time =
14480 programStats.score = programStats.got_only_move = 0;
14481 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14483 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14484 strcat(bookMove, bookHit);
14485 HandleMachineMove(bookMove, &first);
14491 DisplayTwoMachinesTitle ()
14494 if (appData.matchGames > 0) {
14495 if(appData.tourneyFile[0]) {
14496 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14497 gameInfo.white, _("vs."), gameInfo.black,
14498 nextGame+1, appData.matchGames+1,
14499 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14501 if (first.twoMachinesColor[0] == 'w') {
14502 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14503 gameInfo.white, _("vs."), gameInfo.black,
14504 first.matchWins, second.matchWins,
14505 matchGame - 1 - (first.matchWins + second.matchWins));
14507 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14508 gameInfo.white, _("vs."), gameInfo.black,
14509 second.matchWins, first.matchWins,
14510 matchGame - 1 - (first.matchWins + second.matchWins));
14513 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14519 SettingsMenuIfReady ()
14521 if (second.lastPing != second.lastPong) {
14522 DisplayMessage("", _("Waiting for second chess program"));
14523 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14527 DisplayMessage("", "");
14528 SettingsPopUp(&second);
14532 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14535 if (cps->pr == NoProc) {
14536 StartChessProgram(cps);
14537 if (cps->protocolVersion == 1) {
14539 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14541 /* kludge: allow timeout for initial "feature" command */
14542 if(retry != TwoMachinesEventIfReady) FreezeUI();
14543 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14544 DisplayMessage("", buf);
14545 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14553 TwoMachinesEvent P((void))
14557 ChessProgramState *onmove;
14558 char *bookHit = NULL;
14559 static int stalling = 0;
14563 if (appData.noChessProgram) return;
14565 switch (gameMode) {
14566 case TwoMachinesPlay:
14568 case MachinePlaysWhite:
14569 case MachinePlaysBlack:
14570 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14571 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14575 case BeginningOfGame:
14576 case PlayFromGameFile:
14579 if (gameMode != EditGame) return;
14582 EditPositionDone(TRUE);
14593 // forwardMostMove = currentMove;
14594 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14595 startingEngine = TRUE;
14597 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14599 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14600 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14601 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14604 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14606 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14607 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14608 startingEngine = FALSE;
14609 DisplayError("second engine does not play this", 0);
14614 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14615 SendToProgram("force\n", &second);
14617 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14620 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14621 if(appData.matchPause>10000 || appData.matchPause<10)
14622 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14623 wait = SubtractTimeMarks(&now, &pauseStart);
14624 if(wait < appData.matchPause) {
14625 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14628 // we are now committed to starting the game
14630 DisplayMessage("", "");
14631 if (startedFromSetupPosition) {
14632 SendBoard(&second, backwardMostMove);
14633 if (appData.debugMode) {
14634 fprintf(debugFP, "Two Machines\n");
14637 for (i = backwardMostMove; i < forwardMostMove; i++) {
14638 SendMoveToProgram(i, &second);
14641 gameMode = TwoMachinesPlay;
14642 pausing = startingEngine = FALSE;
14643 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14645 DisplayTwoMachinesTitle();
14647 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14652 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14653 SendToProgram(first.computerString, &first);
14654 if (first.sendName) {
14655 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14656 SendToProgram(buf, &first);
14658 SendToProgram(second.computerString, &second);
14659 if (second.sendName) {
14660 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14661 SendToProgram(buf, &second);
14665 if (!first.sendTime || !second.sendTime) {
14666 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14667 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14669 if (onmove->sendTime) {
14670 if (onmove->useColors) {
14671 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14673 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14675 if (onmove->useColors) {
14676 SendToProgram(onmove->twoMachinesColor, onmove);
14678 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14679 // SendToProgram("go\n", onmove);
14680 onmove->maybeThinking = TRUE;
14681 SetMachineThinkingEnables();
14685 if(bookHit) { // [HGM] book: simulate book reply
14686 static char bookMove[MSG_SIZ]; // a bit generous?
14688 programStats.nodes = programStats.depth = programStats.time =
14689 programStats.score = programStats.got_only_move = 0;
14690 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14692 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14693 strcat(bookMove, bookHit);
14694 savedMessage = bookMove; // args for deferred call
14695 savedState = onmove;
14696 ScheduleDelayedEvent(DeferredBookMove, 1);
14703 if (gameMode == Training) {
14704 SetTrainingModeOff();
14705 gameMode = PlayFromGameFile;
14706 DisplayMessage("", _("Training mode off"));
14708 gameMode = Training;
14709 animateTraining = appData.animate;
14711 /* make sure we are not already at the end of the game */
14712 if (currentMove < forwardMostMove) {
14713 SetTrainingModeOn();
14714 DisplayMessage("", _("Training mode on"));
14716 gameMode = PlayFromGameFile;
14717 DisplayError(_("Already at end of game"), 0);
14726 if (!appData.icsActive) return;
14727 switch (gameMode) {
14728 case IcsPlayingWhite:
14729 case IcsPlayingBlack:
14732 case BeginningOfGame:
14740 EditPositionDone(TRUE);
14753 gameMode = IcsIdle;
14763 switch (gameMode) {
14765 SetTrainingModeOff();
14767 case MachinePlaysWhite:
14768 case MachinePlaysBlack:
14769 case BeginningOfGame:
14770 SendToProgram("force\n", &first);
14771 SetUserThinkingEnables();
14773 case PlayFromGameFile:
14774 (void) StopLoadGameTimer();
14775 if (gameFileFP != NULL) {
14780 EditPositionDone(TRUE);
14785 SendToProgram("force\n", &first);
14787 case TwoMachinesPlay:
14788 GameEnds(EndOfFile, NULL, GE_PLAYER);
14789 ResurrectChessProgram();
14790 SetUserThinkingEnables();
14793 ResurrectChessProgram();
14795 case IcsPlayingBlack:
14796 case IcsPlayingWhite:
14797 DisplayError(_("Warning: You are still playing a game"), 0);
14800 DisplayError(_("Warning: You are still observing a game"), 0);
14803 DisplayError(_("Warning: You are still examining a game"), 0);
14814 first.offeredDraw = second.offeredDraw = 0;
14816 if (gameMode == PlayFromGameFile) {
14817 whiteTimeRemaining = timeRemaining[0][currentMove];
14818 blackTimeRemaining = timeRemaining[1][currentMove];
14822 if (gameMode == MachinePlaysWhite ||
14823 gameMode == MachinePlaysBlack ||
14824 gameMode == TwoMachinesPlay ||
14825 gameMode == EndOfGame) {
14826 i = forwardMostMove;
14827 while (i > currentMove) {
14828 SendToProgram("undo\n", &first);
14831 if(!adjustedClock) {
14832 whiteTimeRemaining = timeRemaining[0][currentMove];
14833 blackTimeRemaining = timeRemaining[1][currentMove];
14834 DisplayBothClocks();
14836 if (whiteFlag || blackFlag) {
14837 whiteFlag = blackFlag = 0;
14842 gameMode = EditGame;
14849 EditPositionEvent ()
14851 if (gameMode == EditPosition) {
14857 if (gameMode != EditGame) return;
14859 gameMode = EditPosition;
14862 if (currentMove > 0)
14863 CopyBoard(boards[0], boards[currentMove]);
14865 blackPlaysFirst = !WhiteOnMove(currentMove);
14867 currentMove = forwardMostMove = backwardMostMove = 0;
14868 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14870 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14876 /* [DM] icsEngineAnalyze - possible call from other functions */
14877 if (appData.icsEngineAnalyze) {
14878 appData.icsEngineAnalyze = FALSE;
14880 DisplayMessage("",_("Close ICS engine analyze..."));
14882 if (first.analysisSupport && first.analyzing) {
14883 SendToBoth("exit\n");
14884 first.analyzing = second.analyzing = FALSE;
14886 thinkOutput[0] = NULLCHAR;
14890 EditPositionDone (Boolean fakeRights)
14892 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14894 startedFromSetupPosition = TRUE;
14895 InitChessProgram(&first, FALSE);
14896 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14897 boards[0][EP_STATUS] = EP_NONE;
14898 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14899 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14900 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14901 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14902 } else boards[0][CASTLING][2] = NoRights;
14903 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14904 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14905 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14906 } else boards[0][CASTLING][5] = NoRights;
14907 if(gameInfo.variant == VariantSChess) {
14909 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14910 boards[0][VIRGIN][i] = 0;
14911 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14912 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14916 SendToProgram("force\n", &first);
14917 if (blackPlaysFirst) {
14918 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14919 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14920 currentMove = forwardMostMove = backwardMostMove = 1;
14921 CopyBoard(boards[1], boards[0]);
14923 currentMove = forwardMostMove = backwardMostMove = 0;
14925 SendBoard(&first, forwardMostMove);
14926 if (appData.debugMode) {
14927 fprintf(debugFP, "EditPosDone\n");
14930 DisplayMessage("", "");
14931 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14932 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14933 gameMode = EditGame;
14935 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14936 ClearHighlights(); /* [AS] */
14939 /* Pause for `ms' milliseconds */
14940 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14942 TimeDelay (long ms)
14949 } while (SubtractTimeMarks(&m2, &m1) < ms);
14952 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14954 SendMultiLineToICS (char *buf)
14956 char temp[MSG_SIZ+1], *p;
14963 strncpy(temp, buf, len);
14968 if (*p == '\n' || *p == '\r')
14973 strcat(temp, "\n");
14975 SendToPlayer(temp, strlen(temp));
14979 SetWhiteToPlayEvent ()
14981 if (gameMode == EditPosition) {
14982 blackPlaysFirst = FALSE;
14983 DisplayBothClocks(); /* works because currentMove is 0 */
14984 } else if (gameMode == IcsExamining) {
14985 SendToICS(ics_prefix);
14986 SendToICS("tomove white\n");
14991 SetBlackToPlayEvent ()
14993 if (gameMode == EditPosition) {
14994 blackPlaysFirst = TRUE;
14995 currentMove = 1; /* kludge */
14996 DisplayBothClocks();
14998 } else if (gameMode == IcsExamining) {
14999 SendToICS(ics_prefix);
15000 SendToICS("tomove black\n");
15005 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15008 ChessSquare piece = boards[0][y][x];
15009 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15010 static int lastVariant;
15012 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15014 switch (selection) {
15016 CopyBoard(currentBoard, boards[0]);
15017 CopyBoard(menuBoard, initialPosition);
15018 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15019 SendToICS(ics_prefix);
15020 SendToICS("bsetup clear\n");
15021 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15022 SendToICS(ics_prefix);
15023 SendToICS("clearboard\n");
15026 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15027 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15028 for (y = 0; y < BOARD_HEIGHT; y++) {
15029 if (gameMode == IcsExamining) {
15030 if (boards[currentMove][y][x] != EmptySquare) {
15031 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15036 if(boards[0][y][x] != p) nonEmpty++;
15037 boards[0][y][x] = p;
15041 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15043 for(r = 0; r < BOARD_HEIGHT; r++) {
15044 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15045 ChessSquare p = menuBoard[r][x];
15046 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15049 DisplayMessage("Clicking clock again restores position", "");
15050 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15051 if(!nonEmpty) { // asked to clear an empty board
15052 CopyBoard(boards[0], menuBoard);
15054 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15055 CopyBoard(boards[0], initialPosition);
15057 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15058 && !CompareBoards(nullBoard, erasedBoard)) {
15059 CopyBoard(boards[0], erasedBoard);
15061 CopyBoard(erasedBoard, currentBoard);
15065 if (gameMode == EditPosition) {
15066 DrawPosition(FALSE, boards[0]);
15071 SetWhiteToPlayEvent();
15075 SetBlackToPlayEvent();
15079 if (gameMode == IcsExamining) {
15080 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15081 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15084 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15085 if(x == BOARD_LEFT-2) {
15086 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15087 boards[0][y][1] = 0;
15089 if(x == BOARD_RGHT+1) {
15090 if(y >= gameInfo.holdingsSize) break;
15091 boards[0][y][BOARD_WIDTH-2] = 0;
15094 boards[0][y][x] = EmptySquare;
15095 DrawPosition(FALSE, boards[0]);
15100 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15101 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15102 selection = (ChessSquare) (PROMOTED piece);
15103 } else if(piece == EmptySquare) selection = WhiteSilver;
15104 else selection = (ChessSquare)((int)piece - 1);
15108 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15109 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15110 selection = (ChessSquare) (DEMOTED piece);
15111 } else if(piece == EmptySquare) selection = BlackSilver;
15112 else selection = (ChessSquare)((int)piece + 1);
15117 if(gameInfo.variant == VariantShatranj ||
15118 gameInfo.variant == VariantXiangqi ||
15119 gameInfo.variant == VariantCourier ||
15120 gameInfo.variant == VariantASEAN ||
15121 gameInfo.variant == VariantMakruk )
15122 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15127 if(gameInfo.variant == VariantXiangqi)
15128 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15129 if(gameInfo.variant == VariantKnightmate)
15130 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15133 if (gameMode == IcsExamining) {
15134 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15135 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15136 PieceToChar(selection), AAA + x, ONE + y);
15139 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15141 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15142 n = PieceToNumber(selection - BlackPawn);
15143 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15144 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15145 boards[0][BOARD_HEIGHT-1-n][1]++;
15147 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15148 n = PieceToNumber(selection);
15149 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15150 boards[0][n][BOARD_WIDTH-1] = selection;
15151 boards[0][n][BOARD_WIDTH-2]++;
15154 boards[0][y][x] = selection;
15155 DrawPosition(TRUE, boards[0]);
15157 fromX = fromY = -1;
15165 DropMenuEvent (ChessSquare selection, int x, int y)
15167 ChessMove moveType;
15169 switch (gameMode) {
15170 case IcsPlayingWhite:
15171 case MachinePlaysBlack:
15172 if (!WhiteOnMove(currentMove)) {
15173 DisplayMoveError(_("It is Black's turn"));
15176 moveType = WhiteDrop;
15178 case IcsPlayingBlack:
15179 case MachinePlaysWhite:
15180 if (WhiteOnMove(currentMove)) {
15181 DisplayMoveError(_("It is White's turn"));
15184 moveType = BlackDrop;
15187 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15193 if (moveType == BlackDrop && selection < BlackPawn) {
15194 selection = (ChessSquare) ((int) selection
15195 + (int) BlackPawn - (int) WhitePawn);
15197 if (boards[currentMove][y][x] != EmptySquare) {
15198 DisplayMoveError(_("That square is occupied"));
15202 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15208 /* Accept a pending offer of any kind from opponent */
15210 if (appData.icsActive) {
15211 SendToICS(ics_prefix);
15212 SendToICS("accept\n");
15213 } else if (cmailMsgLoaded) {
15214 if (currentMove == cmailOldMove &&
15215 commentList[cmailOldMove] != NULL &&
15216 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15217 "Black offers a draw" : "White offers a draw")) {
15219 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15220 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15222 DisplayError(_("There is no pending offer on this move"), 0);
15223 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15226 /* Not used for offers from chess program */
15233 /* Decline a pending offer of any kind from opponent */
15235 if (appData.icsActive) {
15236 SendToICS(ics_prefix);
15237 SendToICS("decline\n");
15238 } else if (cmailMsgLoaded) {
15239 if (currentMove == cmailOldMove &&
15240 commentList[cmailOldMove] != NULL &&
15241 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15242 "Black offers a draw" : "White offers a draw")) {
15244 AppendComment(cmailOldMove, "Draw declined", TRUE);
15245 DisplayComment(cmailOldMove - 1, "Draw declined");
15248 DisplayError(_("There is no pending offer on this move"), 0);
15251 /* Not used for offers from chess program */
15258 /* Issue ICS rematch command */
15259 if (appData.icsActive) {
15260 SendToICS(ics_prefix);
15261 SendToICS("rematch\n");
15268 /* Call your opponent's flag (claim a win on time) */
15269 if (appData.icsActive) {
15270 SendToICS(ics_prefix);
15271 SendToICS("flag\n");
15273 switch (gameMode) {
15276 case MachinePlaysWhite:
15279 GameEnds(GameIsDrawn, "Both players ran out of time",
15282 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15284 DisplayError(_("Your opponent is not out of time"), 0);
15287 case MachinePlaysBlack:
15290 GameEnds(GameIsDrawn, "Both players ran out of time",
15293 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15295 DisplayError(_("Your opponent is not out of time"), 0);
15303 ClockClick (int which)
15304 { // [HGM] code moved to back-end from winboard.c
15305 if(which) { // black clock
15306 if (gameMode == EditPosition || gameMode == IcsExamining) {
15307 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15308 SetBlackToPlayEvent();
15309 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15310 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15311 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15312 } else if (shiftKey) {
15313 AdjustClock(which, -1);
15314 } else if (gameMode == IcsPlayingWhite ||
15315 gameMode == MachinePlaysBlack) {
15318 } else { // white clock
15319 if (gameMode == EditPosition || gameMode == IcsExamining) {
15320 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15321 SetWhiteToPlayEvent();
15322 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15323 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15324 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15325 } else if (shiftKey) {
15326 AdjustClock(which, -1);
15327 } else if (gameMode == IcsPlayingBlack ||
15328 gameMode == MachinePlaysWhite) {
15337 /* Offer draw or accept pending draw offer from opponent */
15339 if (appData.icsActive) {
15340 /* Note: tournament rules require draw offers to be
15341 made after you make your move but before you punch
15342 your clock. Currently ICS doesn't let you do that;
15343 instead, you immediately punch your clock after making
15344 a move, but you can offer a draw at any time. */
15346 SendToICS(ics_prefix);
15347 SendToICS("draw\n");
15348 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15349 } else if (cmailMsgLoaded) {
15350 if (currentMove == cmailOldMove &&
15351 commentList[cmailOldMove] != NULL &&
15352 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15353 "Black offers a draw" : "White offers a draw")) {
15354 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15355 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15356 } else if (currentMove == cmailOldMove + 1) {
15357 char *offer = WhiteOnMove(cmailOldMove) ?
15358 "White offers a draw" : "Black offers a draw";
15359 AppendComment(currentMove, offer, TRUE);
15360 DisplayComment(currentMove - 1, offer);
15361 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15363 DisplayError(_("You must make your move before offering a draw"), 0);
15364 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15366 } else if (first.offeredDraw) {
15367 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15369 if (first.sendDrawOffers) {
15370 SendToProgram("draw\n", &first);
15371 userOfferedDraw = TRUE;
15379 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15381 if (appData.icsActive) {
15382 SendToICS(ics_prefix);
15383 SendToICS("adjourn\n");
15385 /* Currently GNU Chess doesn't offer or accept Adjourns */
15393 /* Offer Abort or accept pending Abort offer from opponent */
15395 if (appData.icsActive) {
15396 SendToICS(ics_prefix);
15397 SendToICS("abort\n");
15399 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15406 /* Resign. You can do this even if it's not your turn. */
15408 if (appData.icsActive) {
15409 SendToICS(ics_prefix);
15410 SendToICS("resign\n");
15412 switch (gameMode) {
15413 case MachinePlaysWhite:
15414 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15416 case MachinePlaysBlack:
15417 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15420 if (cmailMsgLoaded) {
15422 if (WhiteOnMove(cmailOldMove)) {
15423 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15425 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15427 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15438 StopObservingEvent ()
15440 /* Stop observing current games */
15441 SendToICS(ics_prefix);
15442 SendToICS("unobserve\n");
15446 StopExaminingEvent ()
15448 /* Stop observing current game */
15449 SendToICS(ics_prefix);
15450 SendToICS("unexamine\n");
15454 ForwardInner (int target)
15456 int limit; int oldSeekGraphUp = seekGraphUp;
15458 if (appData.debugMode)
15459 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15460 target, currentMove, forwardMostMove);
15462 if (gameMode == EditPosition)
15465 seekGraphUp = FALSE;
15466 MarkTargetSquares(1);
15468 if (gameMode == PlayFromGameFile && !pausing)
15471 if (gameMode == IcsExamining && pausing)
15472 limit = pauseExamForwardMostMove;
15474 limit = forwardMostMove;
15476 if (target > limit) target = limit;
15478 if (target > 0 && moveList[target - 1][0]) {
15479 int fromX, fromY, toX, toY;
15480 toX = moveList[target - 1][2] - AAA;
15481 toY = moveList[target - 1][3] - ONE;
15482 if (moveList[target - 1][1] == '@') {
15483 if (appData.highlightLastMove) {
15484 SetHighlights(-1, -1, toX, toY);
15487 fromX = moveList[target - 1][0] - AAA;
15488 fromY = moveList[target - 1][1] - ONE;
15489 if (target == currentMove + 1) {
15490 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15492 if (appData.highlightLastMove) {
15493 SetHighlights(fromX, fromY, toX, toY);
15497 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15498 gameMode == Training || gameMode == PlayFromGameFile ||
15499 gameMode == AnalyzeFile) {
15500 while (currentMove < target) {
15501 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15502 SendMoveToProgram(currentMove++, &first);
15505 currentMove = target;
15508 if (gameMode == EditGame || gameMode == EndOfGame) {
15509 whiteTimeRemaining = timeRemaining[0][currentMove];
15510 blackTimeRemaining = timeRemaining[1][currentMove];
15512 DisplayBothClocks();
15513 DisplayMove(currentMove - 1);
15514 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15515 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15516 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15517 DisplayComment(currentMove - 1, commentList[currentMove]);
15519 ClearMap(); // [HGM] exclude: invalidate map
15526 if (gameMode == IcsExamining && !pausing) {
15527 SendToICS(ics_prefix);
15528 SendToICS("forward\n");
15530 ForwardInner(currentMove + 1);
15537 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15538 /* to optimze, we temporarily turn off analysis mode while we feed
15539 * the remaining moves to the engine. Otherwise we get analysis output
15542 if (first.analysisSupport) {
15543 SendToProgram("exit\nforce\n", &first);
15544 first.analyzing = FALSE;
15548 if (gameMode == IcsExamining && !pausing) {
15549 SendToICS(ics_prefix);
15550 SendToICS("forward 999999\n");
15552 ForwardInner(forwardMostMove);
15555 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15556 /* we have fed all the moves, so reactivate analysis mode */
15557 SendToProgram("analyze\n", &first);
15558 first.analyzing = TRUE;
15559 /*first.maybeThinking = TRUE;*/
15560 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15565 BackwardInner (int target)
15567 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15569 if (appData.debugMode)
15570 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15571 target, currentMove, forwardMostMove);
15573 if (gameMode == EditPosition) return;
15574 seekGraphUp = FALSE;
15575 MarkTargetSquares(1);
15576 if (currentMove <= backwardMostMove) {
15578 DrawPosition(full_redraw, boards[currentMove]);
15581 if (gameMode == PlayFromGameFile && !pausing)
15584 if (moveList[target][0]) {
15585 int fromX, fromY, toX, toY;
15586 toX = moveList[target][2] - AAA;
15587 toY = moveList[target][3] - ONE;
15588 if (moveList[target][1] == '@') {
15589 if (appData.highlightLastMove) {
15590 SetHighlights(-1, -1, toX, toY);
15593 fromX = moveList[target][0] - AAA;
15594 fromY = moveList[target][1] - ONE;
15595 if (target == currentMove - 1) {
15596 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15598 if (appData.highlightLastMove) {
15599 SetHighlights(fromX, fromY, toX, toY);
15603 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15604 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15605 while (currentMove > target) {
15606 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15607 // null move cannot be undone. Reload program with move history before it.
15609 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15610 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15612 SendBoard(&first, i);
15613 if(second.analyzing) SendBoard(&second, i);
15614 for(currentMove=i; currentMove<target; currentMove++) {
15615 SendMoveToProgram(currentMove, &first);
15616 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15620 SendToBoth("undo\n");
15624 currentMove = target;
15627 if (gameMode == EditGame || gameMode == EndOfGame) {
15628 whiteTimeRemaining = timeRemaining[0][currentMove];
15629 blackTimeRemaining = timeRemaining[1][currentMove];
15631 DisplayBothClocks();
15632 DisplayMove(currentMove - 1);
15633 DrawPosition(full_redraw, boards[currentMove]);
15634 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15635 // [HGM] PV info: routine tests if comment empty
15636 DisplayComment(currentMove - 1, commentList[currentMove]);
15637 ClearMap(); // [HGM] exclude: invalidate map
15643 if (gameMode == IcsExamining && !pausing) {
15644 SendToICS(ics_prefix);
15645 SendToICS("backward\n");
15647 BackwardInner(currentMove - 1);
15654 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15655 /* to optimize, we temporarily turn off analysis mode while we undo
15656 * all the moves. Otherwise we get analysis output after each undo.
15658 if (first.analysisSupport) {
15659 SendToProgram("exit\nforce\n", &first);
15660 first.analyzing = FALSE;
15664 if (gameMode == IcsExamining && !pausing) {
15665 SendToICS(ics_prefix);
15666 SendToICS("backward 999999\n");
15668 BackwardInner(backwardMostMove);
15671 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15672 /* we have fed all the moves, so reactivate analysis mode */
15673 SendToProgram("analyze\n", &first);
15674 first.analyzing = TRUE;
15675 /*first.maybeThinking = TRUE;*/
15676 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15683 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15684 if (to >= forwardMostMove) to = forwardMostMove;
15685 if (to <= backwardMostMove) to = backwardMostMove;
15686 if (to < currentMove) {
15694 RevertEvent (Boolean annotate)
15696 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15699 if (gameMode != IcsExamining) {
15700 DisplayError(_("You are not examining a game"), 0);
15704 DisplayError(_("You can't revert while pausing"), 0);
15707 SendToICS(ics_prefix);
15708 SendToICS("revert\n");
15712 RetractMoveEvent ()
15714 switch (gameMode) {
15715 case MachinePlaysWhite:
15716 case MachinePlaysBlack:
15717 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15718 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15721 if (forwardMostMove < 2) return;
15722 currentMove = forwardMostMove = forwardMostMove - 2;
15723 whiteTimeRemaining = timeRemaining[0][currentMove];
15724 blackTimeRemaining = timeRemaining[1][currentMove];
15725 DisplayBothClocks();
15726 DisplayMove(currentMove - 1);
15727 ClearHighlights();/*!! could figure this out*/
15728 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15729 SendToProgram("remove\n", &first);
15730 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15733 case BeginningOfGame:
15737 case IcsPlayingWhite:
15738 case IcsPlayingBlack:
15739 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15740 SendToICS(ics_prefix);
15741 SendToICS("takeback 2\n");
15743 SendToICS(ics_prefix);
15744 SendToICS("takeback 1\n");
15753 ChessProgramState *cps;
15755 switch (gameMode) {
15756 case MachinePlaysWhite:
15757 if (!WhiteOnMove(forwardMostMove)) {
15758 DisplayError(_("It is your turn"), 0);
15763 case MachinePlaysBlack:
15764 if (WhiteOnMove(forwardMostMove)) {
15765 DisplayError(_("It is your turn"), 0);
15770 case TwoMachinesPlay:
15771 if (WhiteOnMove(forwardMostMove) ==
15772 (first.twoMachinesColor[0] == 'w')) {
15778 case BeginningOfGame:
15782 SendToProgram("?\n", cps);
15786 TruncateGameEvent ()
15789 if (gameMode != EditGame) return;
15796 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15797 if (forwardMostMove > currentMove) {
15798 if (gameInfo.resultDetails != NULL) {
15799 free(gameInfo.resultDetails);
15800 gameInfo.resultDetails = NULL;
15801 gameInfo.result = GameUnfinished;
15803 forwardMostMove = currentMove;
15804 HistorySet(parseList, backwardMostMove, forwardMostMove,
15812 if (appData.noChessProgram) return;
15813 switch (gameMode) {
15814 case MachinePlaysWhite:
15815 if (WhiteOnMove(forwardMostMove)) {
15816 DisplayError(_("Wait until your turn."), 0);
15820 case BeginningOfGame:
15821 case MachinePlaysBlack:
15822 if (!WhiteOnMove(forwardMostMove)) {
15823 DisplayError(_("Wait until your turn."), 0);
15828 DisplayError(_("No hint available"), 0);
15831 SendToProgram("hint\n", &first);
15832 hintRequested = TRUE;
15836 SaveSelected (FILE *g, int dummy, char *dummy2)
15838 ListGame * lg = (ListGame *) gameList.head;
15842 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15843 DisplayError(_("Game list not loaded or empty"), 0);
15847 creatingBook = TRUE; // suppresses stuff during load game
15849 /* Get list size */
15850 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15851 if(lg->position >= 0) { // selected?
15852 LoadGame(f, nItem, "", TRUE);
15853 SaveGamePGN2(g); // leaves g open
15856 lg = (ListGame *) lg->node.succ;
15860 creatingBook = FALSE;
15868 ListGame * lg = (ListGame *) gameList.head;
15871 static int secondTime = FALSE;
15873 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15874 DisplayError(_("Game list not loaded or empty"), 0);
15878 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15881 DisplayNote(_("Book file exists! Try again for overwrite."));
15885 creatingBook = TRUE;
15886 secondTime = FALSE;
15888 /* Get list size */
15889 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15890 if(lg->position >= 0) {
15891 LoadGame(f, nItem, "", TRUE);
15892 AddGameToBook(TRUE);
15895 lg = (ListGame *) lg->node.succ;
15898 creatingBook = FALSE;
15905 if (appData.noChessProgram) return;
15906 switch (gameMode) {
15907 case MachinePlaysWhite:
15908 if (WhiteOnMove(forwardMostMove)) {
15909 DisplayError(_("Wait until your turn."), 0);
15913 case BeginningOfGame:
15914 case MachinePlaysBlack:
15915 if (!WhiteOnMove(forwardMostMove)) {
15916 DisplayError(_("Wait until your turn."), 0);
15921 EditPositionDone(TRUE);
15923 case TwoMachinesPlay:
15928 SendToProgram("bk\n", &first);
15929 bookOutput[0] = NULLCHAR;
15930 bookRequested = TRUE;
15936 char *tags = PGNTags(&gameInfo);
15937 TagsPopUp(tags, CmailMsg());
15941 /* end button procedures */
15944 PrintPosition (FILE *fp, int move)
15948 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15949 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15950 char c = PieceToChar(boards[move][i][j]);
15951 fputc(c == 'x' ? '.' : c, fp);
15952 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15955 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
15956 fprintf(fp, "white to play\n");
15958 fprintf(fp, "black to play\n");
15962 PrintOpponents (FILE *fp)
15964 if (gameInfo.white != NULL) {
15965 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
15971 /* Find last component of program's own name, using some heuristics */
15973 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
15976 int local = (strcmp(host, "localhost") == 0);
15977 while (!local && (p = strchr(prog, ';')) != NULL) {
15979 while (*p == ' ') p++;
15982 if (*prog == '"' || *prog == '\'') {
15983 q = strchr(prog + 1, *prog);
15985 q = strchr(prog, ' ');
15987 if (q == NULL) q = prog + strlen(prog);
15989 while (p >= prog && *p != '/' && *p != '\\') p--;
15991 if(p == prog && *p == '"') p++;
15993 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
15994 memcpy(buf, p, q - p);
15995 buf[q - p] = NULLCHAR;
16003 TimeControlTagValue ()
16006 if (!appData.clockMode) {
16007 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16008 } else if (movesPerSession > 0) {
16009 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16010 } else if (timeIncrement == 0) {
16011 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16013 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16015 return StrSave(buf);
16021 /* This routine is used only for certain modes */
16022 VariantClass v = gameInfo.variant;
16023 ChessMove r = GameUnfinished;
16026 if(keepInfo) return;
16028 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16029 r = gameInfo.result;
16030 p = gameInfo.resultDetails;
16031 gameInfo.resultDetails = NULL;
16033 ClearGameInfo(&gameInfo);
16034 gameInfo.variant = v;
16036 switch (gameMode) {
16037 case MachinePlaysWhite:
16038 gameInfo.event = StrSave( appData.pgnEventHeader );
16039 gameInfo.site = StrSave(HostName());
16040 gameInfo.date = PGNDate();
16041 gameInfo.round = StrSave("-");
16042 gameInfo.white = StrSave(first.tidy);
16043 gameInfo.black = StrSave(UserName());
16044 gameInfo.timeControl = TimeControlTagValue();
16047 case MachinePlaysBlack:
16048 gameInfo.event = StrSave( appData.pgnEventHeader );
16049 gameInfo.site = StrSave(HostName());
16050 gameInfo.date = PGNDate();
16051 gameInfo.round = StrSave("-");
16052 gameInfo.white = StrSave(UserName());
16053 gameInfo.black = StrSave(first.tidy);
16054 gameInfo.timeControl = TimeControlTagValue();
16057 case TwoMachinesPlay:
16058 gameInfo.event = StrSave( appData.pgnEventHeader );
16059 gameInfo.site = StrSave(HostName());
16060 gameInfo.date = PGNDate();
16063 snprintf(buf, MSG_SIZ, "%d", roundNr);
16064 gameInfo.round = StrSave(buf);
16066 gameInfo.round = StrSave("-");
16068 if (first.twoMachinesColor[0] == 'w') {
16069 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16070 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16072 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16073 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16075 gameInfo.timeControl = TimeControlTagValue();
16079 gameInfo.event = StrSave("Edited game");
16080 gameInfo.site = StrSave(HostName());
16081 gameInfo.date = PGNDate();
16082 gameInfo.round = StrSave("-");
16083 gameInfo.white = StrSave("-");
16084 gameInfo.black = StrSave("-");
16085 gameInfo.result = r;
16086 gameInfo.resultDetails = p;
16090 gameInfo.event = StrSave("Edited position");
16091 gameInfo.site = StrSave(HostName());
16092 gameInfo.date = PGNDate();
16093 gameInfo.round = StrSave("-");
16094 gameInfo.white = StrSave("-");
16095 gameInfo.black = StrSave("-");
16098 case IcsPlayingWhite:
16099 case IcsPlayingBlack:
16104 case PlayFromGameFile:
16105 gameInfo.event = StrSave("Game from non-PGN file");
16106 gameInfo.site = StrSave(HostName());
16107 gameInfo.date = PGNDate();
16108 gameInfo.round = StrSave("-");
16109 gameInfo.white = StrSave("?");
16110 gameInfo.black = StrSave("?");
16119 ReplaceComment (int index, char *text)
16125 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16126 pvInfoList[index-1].depth == len &&
16127 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16128 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16129 while (*text == '\n') text++;
16130 len = strlen(text);
16131 while (len > 0 && text[len - 1] == '\n') len--;
16133 if (commentList[index] != NULL)
16134 free(commentList[index]);
16137 commentList[index] = NULL;
16140 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16141 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16142 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16143 commentList[index] = (char *) malloc(len + 2);
16144 strncpy(commentList[index], text, len);
16145 commentList[index][len] = '\n';
16146 commentList[index][len + 1] = NULLCHAR;
16148 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16150 commentList[index] = (char *) malloc(len + 7);
16151 safeStrCpy(commentList[index], "{\n", 3);
16152 safeStrCpy(commentList[index]+2, text, len+1);
16153 commentList[index][len+2] = NULLCHAR;
16154 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16155 strcat(commentList[index], "\n}\n");
16160 CrushCRs (char *text)
16168 if (ch == '\r') continue;
16170 } while (ch != '\0');
16174 AppendComment (int index, char *text, Boolean addBraces)
16175 /* addBraces tells if we should add {} */
16180 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16181 if(addBraces == 3) addBraces = 0; else // force appending literally
16182 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16185 while (*text == '\n') text++;
16186 len = strlen(text);
16187 while (len > 0 && text[len - 1] == '\n') len--;
16188 text[len] = NULLCHAR;
16190 if (len == 0) return;
16192 if (commentList[index] != NULL) {
16193 Boolean addClosingBrace = addBraces;
16194 old = commentList[index];
16195 oldlen = strlen(old);
16196 while(commentList[index][oldlen-1] == '\n')
16197 commentList[index][--oldlen] = NULLCHAR;
16198 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16199 safeStrCpy(commentList[index], old, oldlen + len + 6);
16201 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16202 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16203 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16204 while (*text == '\n') { text++; len--; }
16205 commentList[index][--oldlen] = NULLCHAR;
16207 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16208 else strcat(commentList[index], "\n");
16209 strcat(commentList[index], text);
16210 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16211 else strcat(commentList[index], "\n");
16213 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16215 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16216 else commentList[index][0] = NULLCHAR;
16217 strcat(commentList[index], text);
16218 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16219 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16224 FindStr (char * text, char * sub_text)
16226 char * result = strstr( text, sub_text );
16228 if( result != NULL ) {
16229 result += strlen( sub_text );
16235 /* [AS] Try to extract PV info from PGN comment */
16236 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16238 GetInfoFromComment (int index, char * text)
16240 char * sep = text, *p;
16242 if( text != NULL && index > 0 ) {
16245 int time = -1, sec = 0, deci;
16246 char * s_eval = FindStr( text, "[%eval " );
16247 char * s_emt = FindStr( text, "[%emt " );
16249 if( s_eval != NULL || s_emt != NULL ) {
16251 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16256 if( s_eval != NULL ) {
16257 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16261 if( delim != ']' ) {
16266 if( s_emt != NULL ) {
16271 /* We expect something like: [+|-]nnn.nn/dd */
16274 if(*text != '{') return text; // [HGM] braces: must be normal comment
16276 sep = strchr( text, '/' );
16277 if( sep == NULL || sep < (text+4) ) {
16282 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16283 if(p[1] == '(') { // comment starts with PV
16284 p = strchr(p, ')'); // locate end of PV
16285 if(p == NULL || sep < p+5) return text;
16286 // at this point we have something like "{(.*) +0.23/6 ..."
16287 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16288 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16289 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16291 time = -1; sec = -1; deci = -1;
16292 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16293 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16294 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16295 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16299 if( score_lo < 0 || score_lo >= 100 ) {
16303 if(sec >= 0) time = 600*time + 10*sec; else
16304 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16306 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16308 /* [HGM] PV time: now locate end of PV info */
16309 while( *++sep >= '0' && *sep <= '9'); // strip depth
16311 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16313 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16315 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16316 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16327 pvInfoList[index-1].depth = depth;
16328 pvInfoList[index-1].score = score;
16329 pvInfoList[index-1].time = 10*time; // centi-sec
16330 if(*sep == '}') *sep = 0; else *--sep = '{';
16331 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16337 SendToProgram (char *message, ChessProgramState *cps)
16339 int count, outCount, error;
16342 if (cps->pr == NoProc) return;
16345 if (appData.debugMode) {
16348 fprintf(debugFP, "%ld >%-6s: %s",
16349 SubtractTimeMarks(&now, &programStartTime),
16350 cps->which, message);
16352 fprintf(serverFP, "%ld >%-6s: %s",
16353 SubtractTimeMarks(&now, &programStartTime),
16354 cps->which, message), fflush(serverFP);
16357 count = strlen(message);
16358 outCount = OutputToProcess(cps->pr, message, count, &error);
16359 if (outCount < count && !exiting
16360 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16361 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16362 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16363 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16364 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16365 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16366 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16367 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16369 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16370 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16371 gameInfo.result = res;
16373 gameInfo.resultDetails = StrSave(buf);
16375 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16376 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16381 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16385 ChessProgramState *cps = (ChessProgramState *)closure;
16387 if (isr != cps->isr) return; /* Killed intentionally */
16390 RemoveInputSource(cps->isr);
16391 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16392 _(cps->which), cps->program);
16393 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16394 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16395 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16396 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16397 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16398 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16400 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16401 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16402 gameInfo.result = res;
16404 gameInfo.resultDetails = StrSave(buf);
16406 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16407 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16409 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16410 _(cps->which), cps->program);
16411 RemoveInputSource(cps->isr);
16413 /* [AS] Program is misbehaving badly... kill it */
16414 if( count == -2 ) {
16415 DestroyChildProcess( cps->pr, 9 );
16419 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16424 if ((end_str = strchr(message, '\r')) != NULL)
16425 *end_str = NULLCHAR;
16426 if ((end_str = strchr(message, '\n')) != NULL)
16427 *end_str = NULLCHAR;
16429 if (appData.debugMode) {
16430 TimeMark now; int print = 1;
16431 char *quote = ""; char c; int i;
16433 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16434 char start = message[0];
16435 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16436 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16437 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16438 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16439 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16440 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16441 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16442 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16443 sscanf(message, "hint: %c", &c)!=1 &&
16444 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16445 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16446 print = (appData.engineComments >= 2);
16448 message[0] = start; // restore original message
16452 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16453 SubtractTimeMarks(&now, &programStartTime), cps->which,
16457 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16458 SubtractTimeMarks(&now, &programStartTime), cps->which,
16460 message), fflush(serverFP);
16464 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16465 if (appData.icsEngineAnalyze) {
16466 if (strstr(message, "whisper") != NULL ||
16467 strstr(message, "kibitz") != NULL ||
16468 strstr(message, "tellics") != NULL) return;
16471 HandleMachineMove(message, cps);
16476 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16481 if( timeControl_2 > 0 ) {
16482 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16483 tc = timeControl_2;
16486 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16487 inc /= cps->timeOdds;
16488 st /= cps->timeOdds;
16490 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16493 /* Set exact time per move, normally using st command */
16494 if (cps->stKludge) {
16495 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16497 if (seconds == 0) {
16498 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16500 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16503 snprintf(buf, MSG_SIZ, "st %d\n", st);
16506 /* Set conventional or incremental time control, using level command */
16507 if (seconds == 0) {
16508 /* Note old gnuchess bug -- minutes:seconds used to not work.
16509 Fixed in later versions, but still avoid :seconds
16510 when seconds is 0. */
16511 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16513 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16514 seconds, inc/1000.);
16517 SendToProgram(buf, cps);
16519 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16520 /* Orthogonally, limit search to given depth */
16522 if (cps->sdKludge) {
16523 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16525 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16527 SendToProgram(buf, cps);
16530 if(cps->nps >= 0) { /* [HGM] nps */
16531 if(cps->supportsNPS == FALSE)
16532 cps->nps = -1; // don't use if engine explicitly says not supported!
16534 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16535 SendToProgram(buf, cps);
16540 ChessProgramState *
16542 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16544 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16545 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16551 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16553 char message[MSG_SIZ];
16556 /* Note: this routine must be called when the clocks are stopped
16557 or when they have *just* been set or switched; otherwise
16558 it will be off by the time since the current tick started.
16560 if (machineWhite) {
16561 time = whiteTimeRemaining / 10;
16562 otime = blackTimeRemaining / 10;
16564 time = blackTimeRemaining / 10;
16565 otime = whiteTimeRemaining / 10;
16567 /* [HGM] translate opponent's time by time-odds factor */
16568 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16570 if (time <= 0) time = 1;
16571 if (otime <= 0) otime = 1;
16573 snprintf(message, MSG_SIZ, "time %ld\n", time);
16574 SendToProgram(message, cps);
16576 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16577 SendToProgram(message, cps);
16581 EngineDefinedVariant (ChessProgramState *cps, int n)
16582 { // return name of n-th unknown variant that engine supports
16583 static char buf[MSG_SIZ];
16584 char *p, *s = cps->variants;
16585 if(!s) return NULL;
16586 do { // parse string from variants feature
16588 p = strchr(s, ',');
16589 if(p) *p = NULLCHAR;
16590 v = StringToVariant(s);
16591 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16592 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16593 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16596 if(n < 0) return buf;
16602 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16605 int len = strlen(name);
16608 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16610 sscanf(*p, "%d", &val);
16612 while (**p && **p != ' ')
16614 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16615 SendToProgram(buf, cps);
16622 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16625 int len = strlen(name);
16626 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16628 sscanf(*p, "%d", loc);
16629 while (**p && **p != ' ') (*p)++;
16630 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16631 SendToProgram(buf, cps);
16638 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16641 int len = strlen(name);
16642 if (strncmp((*p), name, len) == 0
16643 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16645 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16646 sscanf(*p, "%[^\"]", *loc);
16647 while (**p && **p != '\"') (*p)++;
16648 if (**p == '\"') (*p)++;
16649 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16650 SendToProgram(buf, cps);
16657 ParseOption (Option *opt, ChessProgramState *cps)
16658 // [HGM] options: process the string that defines an engine option, and determine
16659 // name, type, default value, and allowed value range
16661 char *p, *q, buf[MSG_SIZ];
16662 int n, min = (-1)<<31, max = 1<<31, def;
16664 if(p = strstr(opt->name, " -spin ")) {
16665 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16666 if(max < min) max = min; // enforce consistency
16667 if(def < min) def = min;
16668 if(def > max) def = max;
16673 } else if((p = strstr(opt->name, " -slider "))) {
16674 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16675 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16676 if(max < min) max = min; // enforce consistency
16677 if(def < min) def = min;
16678 if(def > max) def = max;
16682 opt->type = Spin; // Slider;
16683 } else if((p = strstr(opt->name, " -string "))) {
16684 opt->textValue = p+9;
16685 opt->type = TextBox;
16686 } else if((p = strstr(opt->name, " -file "))) {
16687 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16688 opt->textValue = p+7;
16689 opt->type = FileName; // FileName;
16690 } else if((p = strstr(opt->name, " -path "))) {
16691 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16692 opt->textValue = p+7;
16693 opt->type = PathName; // PathName;
16694 } else if(p = strstr(opt->name, " -check ")) {
16695 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16696 opt->value = (def != 0);
16697 opt->type = CheckBox;
16698 } else if(p = strstr(opt->name, " -combo ")) {
16699 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16700 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16701 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16702 opt->value = n = 0;
16703 while(q = StrStr(q, " /// ")) {
16704 n++; *q = 0; // count choices, and null-terminate each of them
16706 if(*q == '*') { // remember default, which is marked with * prefix
16710 cps->comboList[cps->comboCnt++] = q;
16712 cps->comboList[cps->comboCnt++] = NULL;
16714 opt->type = ComboBox;
16715 } else if(p = strstr(opt->name, " -button")) {
16716 opt->type = Button;
16717 } else if(p = strstr(opt->name, " -save")) {
16718 opt->type = SaveButton;
16719 } else return FALSE;
16720 *p = 0; // terminate option name
16721 // now look if the command-line options define a setting for this engine option.
16722 if(cps->optionSettings && cps->optionSettings[0])
16723 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16724 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16725 snprintf(buf, MSG_SIZ, "option %s", p);
16726 if(p = strstr(buf, ",")) *p = 0;
16727 if(q = strchr(buf, '=')) switch(opt->type) {
16729 for(n=0; n<opt->max; n++)
16730 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16733 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16737 opt->value = atoi(q+1);
16742 SendToProgram(buf, cps);
16748 FeatureDone (ChessProgramState *cps, int val)
16750 DelayedEventCallback cb = GetDelayedEvent();
16751 if ((cb == InitBackEnd3 && cps == &first) ||
16752 (cb == SettingsMenuIfReady && cps == &second) ||
16753 (cb == LoadEngine) ||
16754 (cb == TwoMachinesEventIfReady)) {
16755 CancelDelayedEvent();
16756 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16758 cps->initDone = val;
16759 if(val) cps->reload = FALSE;
16762 /* Parse feature command from engine */
16764 ParseFeatures (char *args, ChessProgramState *cps)
16772 while (*p == ' ') p++;
16773 if (*p == NULLCHAR) return;
16775 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16776 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16777 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16778 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16779 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16780 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16781 if (BoolFeature(&p, "reuse", &val, cps)) {
16782 /* Engine can disable reuse, but can't enable it if user said no */
16783 if (!val) cps->reuse = FALSE;
16786 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16787 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16788 if (gameMode == TwoMachinesPlay) {
16789 DisplayTwoMachinesTitle();
16795 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16796 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16797 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16798 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16799 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16800 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16801 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16802 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16803 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16804 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16805 if (IntFeature(&p, "done", &val, cps)) {
16806 FeatureDone(cps, val);
16809 /* Added by Tord: */
16810 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16811 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16812 /* End of additions by Tord */
16814 /* [HGM] added features: */
16815 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16816 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16817 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16818 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16819 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16820 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16821 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16822 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16823 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16824 FREE(cps->option[cps->nrOptions].name);
16825 cps->option[cps->nrOptions].name = q; q = NULL;
16826 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16827 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16828 SendToProgram(buf, cps);
16831 if(cps->nrOptions >= MAX_OPTIONS) {
16833 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16834 DisplayError(buf, 0);
16838 /* End of additions by HGM */
16840 /* unknown feature: complain and skip */
16842 while (*q && *q != '=') q++;
16843 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16844 SendToProgram(buf, cps);
16850 while (*p && *p != '\"') p++;
16851 if (*p == '\"') p++;
16853 while (*p && *p != ' ') p++;
16861 PeriodicUpdatesEvent (int newState)
16863 if (newState == appData.periodicUpdates)
16866 appData.periodicUpdates=newState;
16868 /* Display type changes, so update it now */
16869 // DisplayAnalysis();
16871 /* Get the ball rolling again... */
16873 AnalysisPeriodicEvent(1);
16874 StartAnalysisClock();
16879 PonderNextMoveEvent (int newState)
16881 if (newState == appData.ponderNextMove) return;
16882 if (gameMode == EditPosition) EditPositionDone(TRUE);
16884 SendToProgram("hard\n", &first);
16885 if (gameMode == TwoMachinesPlay) {
16886 SendToProgram("hard\n", &second);
16889 SendToProgram("easy\n", &first);
16890 thinkOutput[0] = NULLCHAR;
16891 if (gameMode == TwoMachinesPlay) {
16892 SendToProgram("easy\n", &second);
16895 appData.ponderNextMove = newState;
16899 NewSettingEvent (int option, int *feature, char *command, int value)
16903 if (gameMode == EditPosition) EditPositionDone(TRUE);
16904 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16905 if(feature == NULL || *feature) SendToProgram(buf, &first);
16906 if (gameMode == TwoMachinesPlay) {
16907 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16912 ShowThinkingEvent ()
16913 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16915 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16916 int newState = appData.showThinking
16917 // [HGM] thinking: other features now need thinking output as well
16918 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16920 if (oldState == newState) return;
16921 oldState = newState;
16922 if (gameMode == EditPosition) EditPositionDone(TRUE);
16924 SendToProgram("post\n", &first);
16925 if (gameMode == TwoMachinesPlay) {
16926 SendToProgram("post\n", &second);
16929 SendToProgram("nopost\n", &first);
16930 thinkOutput[0] = NULLCHAR;
16931 if (gameMode == TwoMachinesPlay) {
16932 SendToProgram("nopost\n", &second);
16935 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16939 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16941 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16942 if (pr == NoProc) return;
16943 AskQuestion(title, question, replyPrefix, pr);
16947 TypeInEvent (char firstChar)
16949 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16950 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16951 gameMode == AnalyzeMode || gameMode == EditGame ||
16952 gameMode == EditPosition || gameMode == IcsExamining ||
16953 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
16954 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
16955 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
16956 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
16957 gameMode == Training) PopUpMoveDialog(firstChar);
16961 TypeInDoneEvent (char *move)
16964 int n, fromX, fromY, toX, toY;
16966 ChessMove moveType;
16969 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
16970 EditPositionPasteFEN(move);
16973 // [HGM] movenum: allow move number to be typed in any mode
16974 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
16978 // undocumented kludge: allow command-line option to be typed in!
16979 // (potentially fatal, and does not implement the effect of the option.)
16980 // should only be used for options that are values on which future decisions will be made,
16981 // and definitely not on options that would be used during initialization.
16982 if(strstr(move, "!!! -") == move) {
16983 ParseArgsFromString(move+4);
16987 if (gameMode != EditGame && currentMove != forwardMostMove &&
16988 gameMode != Training) {
16989 DisplayMoveError(_("Displayed move is not current"));
16991 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16992 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
16993 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
16994 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
16995 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
16996 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
16998 DisplayMoveError(_("Could not parse move"));
17004 DisplayMove (int moveNumber)
17006 char message[MSG_SIZ];
17008 char cpThinkOutput[MSG_SIZ];
17010 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17012 if (moveNumber == forwardMostMove - 1 ||
17013 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17015 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17017 if (strchr(cpThinkOutput, '\n')) {
17018 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17021 *cpThinkOutput = NULLCHAR;
17024 /* [AS] Hide thinking from human user */
17025 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17026 *cpThinkOutput = NULLCHAR;
17027 if( thinkOutput[0] != NULLCHAR ) {
17030 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17031 cpThinkOutput[i] = '.';
17033 cpThinkOutput[i] = NULLCHAR;
17034 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17038 if (moveNumber == forwardMostMove - 1 &&
17039 gameInfo.resultDetails != NULL) {
17040 if (gameInfo.resultDetails[0] == NULLCHAR) {
17041 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17043 snprintf(res, MSG_SIZ, " {%s} %s",
17044 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17050 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17051 DisplayMessage(res, cpThinkOutput);
17053 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17054 WhiteOnMove(moveNumber) ? " " : ".. ",
17055 parseList[moveNumber], res);
17056 DisplayMessage(message, cpThinkOutput);
17061 DisplayComment (int moveNumber, char *text)
17063 char title[MSG_SIZ];
17065 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17066 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17068 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17069 WhiteOnMove(moveNumber) ? " " : ".. ",
17070 parseList[moveNumber]);
17072 if (text != NULL && (appData.autoDisplayComment || commentUp))
17073 CommentPopUp(title, text);
17076 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17077 * might be busy thinking or pondering. It can be omitted if your
17078 * gnuchess is configured to stop thinking immediately on any user
17079 * input. However, that gnuchess feature depends on the FIONREAD
17080 * ioctl, which does not work properly on some flavors of Unix.
17083 Attention (ChessProgramState *cps)
17086 if (!cps->useSigint) return;
17087 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17088 switch (gameMode) {
17089 case MachinePlaysWhite:
17090 case MachinePlaysBlack:
17091 case TwoMachinesPlay:
17092 case IcsPlayingWhite:
17093 case IcsPlayingBlack:
17096 /* Skip if we know it isn't thinking */
17097 if (!cps->maybeThinking) return;
17098 if (appData.debugMode)
17099 fprintf(debugFP, "Interrupting %s\n", cps->which);
17100 InterruptChildProcess(cps->pr);
17101 cps->maybeThinking = FALSE;
17106 #endif /*ATTENTION*/
17112 if (whiteTimeRemaining <= 0) {
17115 if (appData.icsActive) {
17116 if (appData.autoCallFlag &&
17117 gameMode == IcsPlayingBlack && !blackFlag) {
17118 SendToICS(ics_prefix);
17119 SendToICS("flag\n");
17123 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17125 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17126 if (appData.autoCallFlag) {
17127 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17134 if (blackTimeRemaining <= 0) {
17137 if (appData.icsActive) {
17138 if (appData.autoCallFlag &&
17139 gameMode == IcsPlayingWhite && !whiteFlag) {
17140 SendToICS(ics_prefix);
17141 SendToICS("flag\n");
17145 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17147 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17148 if (appData.autoCallFlag) {
17149 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17160 CheckTimeControl ()
17162 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17163 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17166 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17168 if ( !WhiteOnMove(forwardMostMove) ) {
17169 /* White made time control */
17170 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17171 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17172 /* [HGM] time odds: correct new time quota for time odds! */
17173 / WhitePlayer()->timeOdds;
17174 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17176 lastBlack -= blackTimeRemaining;
17177 /* Black made time control */
17178 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17179 / WhitePlayer()->other->timeOdds;
17180 lastWhite = whiteTimeRemaining;
17185 DisplayBothClocks ()
17187 int wom = gameMode == EditPosition ?
17188 !blackPlaysFirst : WhiteOnMove(currentMove);
17189 DisplayWhiteClock(whiteTimeRemaining, wom);
17190 DisplayBlackClock(blackTimeRemaining, !wom);
17194 /* Timekeeping seems to be a portability nightmare. I think everyone
17195 has ftime(), but I'm really not sure, so I'm including some ifdefs
17196 to use other calls if you don't. Clocks will be less accurate if
17197 you have neither ftime nor gettimeofday.
17200 /* VS 2008 requires the #include outside of the function */
17201 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17202 #include <sys/timeb.h>
17205 /* Get the current time as a TimeMark */
17207 GetTimeMark (TimeMark *tm)
17209 #if HAVE_GETTIMEOFDAY
17211 struct timeval timeVal;
17212 struct timezone timeZone;
17214 gettimeofday(&timeVal, &timeZone);
17215 tm->sec = (long) timeVal.tv_sec;
17216 tm->ms = (int) (timeVal.tv_usec / 1000L);
17218 #else /*!HAVE_GETTIMEOFDAY*/
17221 // include <sys/timeb.h> / moved to just above start of function
17222 struct timeb timeB;
17225 tm->sec = (long) timeB.time;
17226 tm->ms = (int) timeB.millitm;
17228 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17229 tm->sec = (long) time(NULL);
17235 /* Return the difference in milliseconds between two
17236 time marks. We assume the difference will fit in a long!
17239 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17241 return 1000L*(tm2->sec - tm1->sec) +
17242 (long) (tm2->ms - tm1->ms);
17247 * Code to manage the game clocks.
17249 * In tournament play, black starts the clock and then white makes a move.
17250 * We give the human user a slight advantage if he is playing white---the
17251 * clocks don't run until he makes his first move, so it takes zero time.
17252 * Also, we don't account for network lag, so we could get out of sync
17253 * with GNU Chess's clock -- but then, referees are always right.
17256 static TimeMark tickStartTM;
17257 static long intendedTickLength;
17260 NextTickLength (long timeRemaining)
17262 long nominalTickLength, nextTickLength;
17264 if (timeRemaining > 0L && timeRemaining <= 10000L)
17265 nominalTickLength = 100L;
17267 nominalTickLength = 1000L;
17268 nextTickLength = timeRemaining % nominalTickLength;
17269 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17271 return nextTickLength;
17274 /* Adjust clock one minute up or down */
17276 AdjustClock (Boolean which, int dir)
17278 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17279 if(which) blackTimeRemaining += 60000*dir;
17280 else whiteTimeRemaining += 60000*dir;
17281 DisplayBothClocks();
17282 adjustedClock = TRUE;
17285 /* Stop clocks and reset to a fresh time control */
17289 (void) StopClockTimer();
17290 if (appData.icsActive) {
17291 whiteTimeRemaining = blackTimeRemaining = 0;
17292 } else if (searchTime) {
17293 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17294 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17295 } else { /* [HGM] correct new time quote for time odds */
17296 whiteTC = blackTC = fullTimeControlString;
17297 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17298 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17300 if (whiteFlag || blackFlag) {
17302 whiteFlag = blackFlag = FALSE;
17304 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17305 DisplayBothClocks();
17306 adjustedClock = FALSE;
17309 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17311 /* Decrement running clock by amount of time that has passed */
17315 long timeRemaining;
17316 long lastTickLength, fudge;
17319 if (!appData.clockMode) return;
17320 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17324 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17326 /* Fudge if we woke up a little too soon */
17327 fudge = intendedTickLength - lastTickLength;
17328 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17330 if (WhiteOnMove(forwardMostMove)) {
17331 if(whiteNPS >= 0) lastTickLength = 0;
17332 timeRemaining = whiteTimeRemaining -= lastTickLength;
17333 if(timeRemaining < 0 && !appData.icsActive) {
17334 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17335 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17336 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17337 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17340 DisplayWhiteClock(whiteTimeRemaining - fudge,
17341 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17343 if(blackNPS >= 0) lastTickLength = 0;
17344 timeRemaining = blackTimeRemaining -= lastTickLength;
17345 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17346 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17348 blackStartMove = forwardMostMove;
17349 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17352 DisplayBlackClock(blackTimeRemaining - fudge,
17353 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17355 if (CheckFlags()) return;
17357 if(twoBoards) { // count down secondary board's clocks as well
17358 activePartnerTime -= lastTickLength;
17360 if(activePartner == 'W')
17361 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17363 DisplayBlackClock(activePartnerTime, TRUE);
17368 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17369 StartClockTimer(intendedTickLength);
17371 /* if the time remaining has fallen below the alarm threshold, sound the
17372 * alarm. if the alarm has sounded and (due to a takeback or time control
17373 * with increment) the time remaining has increased to a level above the
17374 * threshold, reset the alarm so it can sound again.
17377 if (appData.icsActive && appData.icsAlarm) {
17379 /* make sure we are dealing with the user's clock */
17380 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17381 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17384 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17385 alarmSounded = FALSE;
17386 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17388 alarmSounded = TRUE;
17394 /* A player has just moved, so stop the previously running
17395 clock and (if in clock mode) start the other one.
17396 We redisplay both clocks in case we're in ICS mode, because
17397 ICS gives us an update to both clocks after every move.
17398 Note that this routine is called *after* forwardMostMove
17399 is updated, so the last fractional tick must be subtracted
17400 from the color that is *not* on move now.
17403 SwitchClocks (int newMoveNr)
17405 long lastTickLength;
17407 int flagged = FALSE;
17411 if (StopClockTimer() && appData.clockMode) {
17412 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17413 if (!WhiteOnMove(forwardMostMove)) {
17414 if(blackNPS >= 0) lastTickLength = 0;
17415 blackTimeRemaining -= lastTickLength;
17416 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17417 // if(pvInfoList[forwardMostMove].time == -1)
17418 pvInfoList[forwardMostMove].time = // use GUI time
17419 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17421 if(whiteNPS >= 0) lastTickLength = 0;
17422 whiteTimeRemaining -= lastTickLength;
17423 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17424 // if(pvInfoList[forwardMostMove].time == -1)
17425 pvInfoList[forwardMostMove].time =
17426 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17428 flagged = CheckFlags();
17430 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17431 CheckTimeControl();
17433 if (flagged || !appData.clockMode) return;
17435 switch (gameMode) {
17436 case MachinePlaysBlack:
17437 case MachinePlaysWhite:
17438 case BeginningOfGame:
17439 if (pausing) return;
17443 case PlayFromGameFile:
17451 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17452 if(WhiteOnMove(forwardMostMove))
17453 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17454 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17458 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17459 whiteTimeRemaining : blackTimeRemaining);
17460 StartClockTimer(intendedTickLength);
17464 /* Stop both clocks */
17468 long lastTickLength;
17471 if (!StopClockTimer()) return;
17472 if (!appData.clockMode) return;
17476 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17477 if (WhiteOnMove(forwardMostMove)) {
17478 if(whiteNPS >= 0) lastTickLength = 0;
17479 whiteTimeRemaining -= lastTickLength;
17480 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17482 if(blackNPS >= 0) lastTickLength = 0;
17483 blackTimeRemaining -= lastTickLength;
17484 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17489 /* Start clock of player on move. Time may have been reset, so
17490 if clock is already running, stop and restart it. */
17494 (void) StopClockTimer(); /* in case it was running already */
17495 DisplayBothClocks();
17496 if (CheckFlags()) return;
17498 if (!appData.clockMode) return;
17499 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17501 GetTimeMark(&tickStartTM);
17502 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17503 whiteTimeRemaining : blackTimeRemaining);
17505 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17506 whiteNPS = blackNPS = -1;
17507 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17508 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17509 whiteNPS = first.nps;
17510 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17511 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17512 blackNPS = first.nps;
17513 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17514 whiteNPS = second.nps;
17515 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17516 blackNPS = second.nps;
17517 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17519 StartClockTimer(intendedTickLength);
17523 TimeString (long ms)
17525 long second, minute, hour, day;
17527 static char buf[32];
17529 if (ms > 0 && ms <= 9900) {
17530 /* convert milliseconds to tenths, rounding up */
17531 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17533 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17537 /* convert milliseconds to seconds, rounding up */
17538 /* use floating point to avoid strangeness of integer division
17539 with negative dividends on many machines */
17540 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17547 day = second / (60 * 60 * 24);
17548 second = second % (60 * 60 * 24);
17549 hour = second / (60 * 60);
17550 second = second % (60 * 60);
17551 minute = second / 60;
17552 second = second % 60;
17555 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17556 sign, day, hour, minute, second);
17558 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17560 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17567 * This is necessary because some C libraries aren't ANSI C compliant yet.
17570 StrStr (char *string, char *match)
17574 length = strlen(match);
17576 for (i = strlen(string) - length; i >= 0; i--, string++)
17577 if (!strncmp(match, string, length))
17584 StrCaseStr (char *string, char *match)
17588 length = strlen(match);
17590 for (i = strlen(string) - length; i >= 0; i--, string++) {
17591 for (j = 0; j < length; j++) {
17592 if (ToLower(match[j]) != ToLower(string[j]))
17595 if (j == length) return string;
17603 StrCaseCmp (char *s1, char *s2)
17608 c1 = ToLower(*s1++);
17609 c2 = ToLower(*s2++);
17610 if (c1 > c2) return 1;
17611 if (c1 < c2) return -1;
17612 if (c1 == NULLCHAR) return 0;
17620 return isupper(c) ? tolower(c) : c;
17627 return islower(c) ? toupper(c) : c;
17629 #endif /* !_amigados */
17636 if ((ret = (char *) malloc(strlen(s) + 1)))
17638 safeStrCpy(ret, s, strlen(s)+1);
17644 StrSavePtr (char *s, char **savePtr)
17649 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17650 safeStrCpy(*savePtr, s, strlen(s)+1);
17662 clock = time((time_t *)NULL);
17663 tm = localtime(&clock);
17664 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17665 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17666 return StrSave(buf);
17671 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17673 int i, j, fromX, fromY, toX, toY;
17680 whiteToPlay = (gameMode == EditPosition) ?
17681 !blackPlaysFirst : (move % 2 == 0);
17684 /* Piece placement data */
17685 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17686 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17688 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17689 if (boards[move][i][j] == EmptySquare) {
17691 } else { ChessSquare piece = boards[move][i][j];
17692 if (emptycount > 0) {
17693 if(emptycount<10) /* [HGM] can be >= 10 */
17694 *p++ = '0' + emptycount;
17695 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17698 if(PieceToChar(piece) == '+') {
17699 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17701 piece = (ChessSquare)(CHUDEMOTED piece);
17703 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17705 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17706 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
17711 if (emptycount > 0) {
17712 if(emptycount<10) /* [HGM] can be >= 10 */
17713 *p++ = '0' + emptycount;
17714 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17721 /* [HGM] print Crazyhouse or Shogi holdings */
17722 if( gameInfo.holdingsWidth ) {
17723 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17725 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17726 piece = boards[move][i][BOARD_WIDTH-1];
17727 if( piece != EmptySquare )
17728 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17729 *p++ = PieceToChar(piece);
17731 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17732 piece = boards[move][BOARD_HEIGHT-i-1][0];
17733 if( piece != EmptySquare )
17734 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17735 *p++ = PieceToChar(piece);
17738 if( q == p ) *p++ = '-';
17744 *p++ = whiteToPlay ? 'w' : 'b';
17747 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17748 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17750 if(nrCastlingRights) {
17752 if(appData.fischerCastling) {
17753 /* [HGM] write directly from rights */
17754 if(boards[move][CASTLING][2] != NoRights &&
17755 boards[move][CASTLING][0] != NoRights )
17756 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17757 if(boards[move][CASTLING][2] != NoRights &&
17758 boards[move][CASTLING][1] != NoRights )
17759 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17760 if(boards[move][CASTLING][5] != NoRights &&
17761 boards[move][CASTLING][3] != NoRights )
17762 *p++ = boards[move][CASTLING][3] + AAA;
17763 if(boards[move][CASTLING][5] != NoRights &&
17764 boards[move][CASTLING][4] != NoRights )
17765 *p++ = boards[move][CASTLING][4] + AAA;
17768 /* [HGM] write true castling rights */
17769 if( nrCastlingRights == 6 ) {
17771 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17772 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17773 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17774 boards[move][CASTLING][2] != NoRights );
17775 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17776 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17777 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17778 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17779 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17783 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17784 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17785 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17786 boards[move][CASTLING][5] != NoRights );
17787 if(gameInfo.variant == VariantSChess) {
17788 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17789 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17790 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17791 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17796 if (q == p) *p++ = '-'; /* No castling rights */
17800 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17801 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17802 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17803 /* En passant target square */
17804 if (move > backwardMostMove) {
17805 fromX = moveList[move - 1][0] - AAA;
17806 fromY = moveList[move - 1][1] - ONE;
17807 toX = moveList[move - 1][2] - AAA;
17808 toY = moveList[move - 1][3] - ONE;
17809 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17810 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17811 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17813 /* 2-square pawn move just happened */
17815 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17819 } else if(move == backwardMostMove) {
17820 // [HGM] perhaps we should always do it like this, and forget the above?
17821 if((signed char)boards[move][EP_STATUS] >= 0) {
17822 *p++ = boards[move][EP_STATUS] + AAA;
17823 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17835 { int i = 0, j=move;
17837 /* [HGM] find reversible plies */
17838 if (appData.debugMode) { int k;
17839 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17840 for(k=backwardMostMove; k<=forwardMostMove; k++)
17841 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17845 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17846 if( j == backwardMostMove ) i += initialRulePlies;
17847 sprintf(p, "%d ", i);
17848 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17850 /* Fullmove number */
17851 sprintf(p, "%d", (move / 2) + 1);
17852 } else *--p = NULLCHAR;
17854 return StrSave(buf);
17858 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17860 int i, j, k, w=0, subst=0, shuffle=0;
17862 int emptycount, virgin[BOARD_FILES];
17867 /* Piece placement data */
17868 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17871 if (*p == '/' || *p == ' ' || *p == '[' ) {
17873 emptycount = gameInfo.boardWidth - j;
17874 while (emptycount--)
17875 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17876 if (*p == '/') p++;
17877 else if(autoSize) { // we stumbled unexpectedly into end of board
17878 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17879 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17881 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17884 #if(BOARD_FILES >= 10)*0
17885 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17886 p++; emptycount=10;
17887 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17888 while (emptycount--)
17889 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17891 } else if (*p == '*') {
17892 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17893 } else if (isdigit(*p)) {
17894 emptycount = *p++ - '0';
17895 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17896 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17897 while (emptycount--)
17898 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17899 } else if (*p == '<') {
17900 if(i == BOARD_HEIGHT-1) shuffle = 1;
17901 else if (i != 0 || !shuffle) return FALSE;
17903 } else if (shuffle && *p == '>') {
17904 p++; // for now ignore closing shuffle range, and assume rank-end
17905 } else if (*p == '?') {
17906 if (j >= gameInfo.boardWidth) return FALSE;
17907 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
17908 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
17909 } else if (*p == '+' || isalpha(*p)) {
17910 if (j >= gameInfo.boardWidth) return FALSE;
17912 piece = CharToPiece(*++p);
17913 if(piece == EmptySquare) return FALSE; /* unknown piece */
17914 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17915 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17916 } else piece = CharToPiece(*p++);
17918 if(piece==EmptySquare) return FALSE; /* unknown piece */
17919 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17920 piece = (ChessSquare) (PROMOTED piece);
17921 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17924 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17930 while (*p == '/' || *p == ' ') p++;
17932 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17934 /* [HGM] by default clear Crazyhouse holdings, if present */
17935 if(gameInfo.holdingsWidth) {
17936 for(i=0; i<BOARD_HEIGHT; i++) {
17937 board[i][0] = EmptySquare; /* black holdings */
17938 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17939 board[i][1] = (ChessSquare) 0; /* black counts */
17940 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17944 /* [HGM] look for Crazyhouse holdings here */
17945 while(*p==' ') p++;
17946 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17947 int swap=0, wcnt=0, bcnt=0;
17949 if(*p == '<') swap++, p++;
17950 if(*p == '-' ) p++; /* empty holdings */ else {
17951 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
17952 /* if we would allow FEN reading to set board size, we would */
17953 /* have to add holdings and shift the board read so far here */
17954 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
17956 if((int) piece >= (int) BlackPawn ) {
17957 i = (int)piece - (int)BlackPawn;
17958 i = PieceToNumber((ChessSquare)i);
17959 if( i >= gameInfo.holdingsSize ) return FALSE;
17960 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
17961 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
17964 i = (int)piece - (int)WhitePawn;
17965 i = PieceToNumber((ChessSquare)i);
17966 if( i >= gameInfo.holdingsSize ) return FALSE;
17967 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
17968 board[i][BOARD_WIDTH-2]++; /* black holdings */
17972 if(subst) { // substitute back-rank question marks by holdings pieces
17973 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
17974 int k, m, n = bcnt + 1;
17975 if(board[0][j] == ClearBoard) {
17976 if(!wcnt) return FALSE;
17978 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
17979 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
17980 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
17984 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
17985 if(!bcnt) return FALSE;
17986 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
17987 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
17988 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
17989 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18000 if(subst) return FALSE; // substitution requested, but no holdings
18002 while(*p == ' ') p++;
18006 if(appData.colorNickNames) {
18007 if( c == appData.colorNickNames[0] ) c = 'w'; else
18008 if( c == appData.colorNickNames[1] ) c = 'b';
18012 *blackPlaysFirst = FALSE;
18015 *blackPlaysFirst = TRUE;
18021 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18022 /* return the extra info in global variiables */
18024 /* set defaults in case FEN is incomplete */
18025 board[EP_STATUS] = EP_UNKNOWN;
18026 for(i=0; i<nrCastlingRights; i++ ) {
18027 board[CASTLING][i] =
18028 appData.fischerCastling ? NoRights : initialRights[i];
18029 } /* assume possible unless obviously impossible */
18030 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18031 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18032 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18033 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18034 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18035 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18036 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18037 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18040 while(*p==' ') p++;
18041 if(nrCastlingRights) {
18043 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18044 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18045 /* castling indicator present, so default becomes no castlings */
18046 for(i=0; i<nrCastlingRights; i++ ) {
18047 board[CASTLING][i] = NoRights;
18050 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18051 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18052 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18053 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18054 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18056 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18057 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
18058 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
18060 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18061 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18062 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
18063 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18064 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
18065 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
18068 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
18069 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18070 board[CASTLING][2] = whiteKingFile;
18071 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18072 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18073 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18076 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
18077 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18078 board[CASTLING][2] = whiteKingFile;
18079 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18080 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18081 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18084 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
18085 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18086 board[CASTLING][5] = blackKingFile;
18087 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18088 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18089 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18092 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
18093 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18094 board[CASTLING][5] = blackKingFile;
18095 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18096 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18097 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18100 default: /* FRC castlings */
18101 if(c >= 'a') { /* black rights */
18102 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18103 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18104 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18105 if(i == BOARD_RGHT) break;
18106 board[CASTLING][5] = i;
18108 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18109 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18111 board[CASTLING][3] = c;
18113 board[CASTLING][4] = c;
18114 } else { /* white rights */
18115 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18116 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18117 if(board[0][i] == WhiteKing) break;
18118 if(i == BOARD_RGHT) break;
18119 board[CASTLING][2] = i;
18120 c -= AAA - 'a' + 'A';
18121 if(board[0][c] >= WhiteKing) break;
18123 board[CASTLING][0] = c;
18125 board[CASTLING][1] = c;
18129 for(i=0; i<nrCastlingRights; i++)
18130 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18131 if(gameInfo.variant == VariantSChess)
18132 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18133 if(fischer && shuffle) appData.fischerCastling = TRUE;
18134 if (appData.debugMode) {
18135 fprintf(debugFP, "FEN castling rights:");
18136 for(i=0; i<nrCastlingRights; i++)
18137 fprintf(debugFP, " %d", board[CASTLING][i]);
18138 fprintf(debugFP, "\n");
18141 while(*p==' ') p++;
18144 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18146 /* read e.p. field in games that know e.p. capture */
18147 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18148 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18149 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18151 p++; board[EP_STATUS] = EP_NONE;
18153 char c = *p++ - AAA;
18155 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18156 if(*p >= '0' && *p <='9') p++;
18157 board[EP_STATUS] = c;
18162 if(sscanf(p, "%d", &i) == 1) {
18163 FENrulePlies = i; /* 50-move ply counter */
18164 /* (The move number is still ignored) */
18171 EditPositionPasteFEN (char *fen)
18174 Board initial_position;
18176 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18177 DisplayError(_("Bad FEN position in clipboard"), 0);
18180 int savedBlackPlaysFirst = blackPlaysFirst;
18181 EditPositionEvent();
18182 blackPlaysFirst = savedBlackPlaysFirst;
18183 CopyBoard(boards[0], initial_position);
18184 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18185 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18186 DisplayBothClocks();
18187 DrawPosition(FALSE, boards[currentMove]);
18192 static char cseq[12] = "\\ ";
18195 set_cont_sequence (char *new_seq)
18200 // handle bad attempts to set the sequence
18202 return 0; // acceptable error - no debug
18204 len = strlen(new_seq);
18205 ret = (len > 0) && (len < sizeof(cseq));
18207 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18208 else if (appData.debugMode)
18209 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18214 reformat a source message so words don't cross the width boundary. internal
18215 newlines are not removed. returns the wrapped size (no null character unless
18216 included in source message). If dest is NULL, only calculate the size required
18217 for the dest buffer. lp argument indicats line position upon entry, and it's
18218 passed back upon exit.
18221 wrap (char *dest, char *src, int count, int width, int *lp)
18223 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18225 cseq_len = strlen(cseq);
18226 old_line = line = *lp;
18227 ansi = len = clen = 0;
18229 for (i=0; i < count; i++)
18231 if (src[i] == '\033')
18234 // if we hit the width, back up
18235 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18237 // store i & len in case the word is too long
18238 old_i = i, old_len = len;
18240 // find the end of the last word
18241 while (i && src[i] != ' ' && src[i] != '\n')
18247 // word too long? restore i & len before splitting it
18248 if ((old_i-i+clen) >= width)
18255 if (i && src[i-1] == ' ')
18258 if (src[i] != ' ' && src[i] != '\n')
18265 // now append the newline and continuation sequence
18270 strncpy(dest+len, cseq, cseq_len);
18278 dest[len] = src[i];
18282 if (src[i] == '\n')
18287 if (dest && appData.debugMode)
18289 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18290 count, width, line, len, *lp);
18291 show_bytes(debugFP, src, count);
18292 fprintf(debugFP, "\ndest: ");
18293 show_bytes(debugFP, dest, len);
18294 fprintf(debugFP, "\n");
18296 *lp = dest ? line : old_line;
18301 // [HGM] vari: routines for shelving variations
18302 Boolean modeRestore = FALSE;
18305 PushInner (int firstMove, int lastMove)
18307 int i, j, nrMoves = lastMove - firstMove;
18309 // push current tail of game on stack
18310 savedResult[storedGames] = gameInfo.result;
18311 savedDetails[storedGames] = gameInfo.resultDetails;
18312 gameInfo.resultDetails = NULL;
18313 savedFirst[storedGames] = firstMove;
18314 savedLast [storedGames] = lastMove;
18315 savedFramePtr[storedGames] = framePtr;
18316 framePtr -= nrMoves; // reserve space for the boards
18317 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18318 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18319 for(j=0; j<MOVE_LEN; j++)
18320 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18321 for(j=0; j<2*MOVE_LEN; j++)
18322 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18323 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18324 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18325 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18326 pvInfoList[firstMove+i-1].depth = 0;
18327 commentList[framePtr+i] = commentList[firstMove+i];
18328 commentList[firstMove+i] = NULL;
18332 forwardMostMove = firstMove; // truncate game so we can start variation
18336 PushTail (int firstMove, int lastMove)
18338 if(appData.icsActive) { // only in local mode
18339 forwardMostMove = currentMove; // mimic old ICS behavior
18342 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18344 PushInner(firstMove, lastMove);
18345 if(storedGames == 1) GreyRevert(FALSE);
18346 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18350 PopInner (Boolean annotate)
18353 char buf[8000], moveBuf[20];
18355 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18356 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18357 nrMoves = savedLast[storedGames] - currentMove;
18360 if(!WhiteOnMove(currentMove))
18361 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18362 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18363 for(i=currentMove; i<forwardMostMove; i++) {
18365 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18366 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18367 strcat(buf, moveBuf);
18368 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18369 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18373 for(i=1; i<=nrMoves; i++) { // copy last variation back
18374 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18375 for(j=0; j<MOVE_LEN; j++)
18376 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18377 for(j=0; j<2*MOVE_LEN; j++)
18378 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18379 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18380 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18381 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18382 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18383 commentList[currentMove+i] = commentList[framePtr+i];
18384 commentList[framePtr+i] = NULL;
18386 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18387 framePtr = savedFramePtr[storedGames];
18388 gameInfo.result = savedResult[storedGames];
18389 if(gameInfo.resultDetails != NULL) {
18390 free(gameInfo.resultDetails);
18392 gameInfo.resultDetails = savedDetails[storedGames];
18393 forwardMostMove = currentMove + nrMoves;
18397 PopTail (Boolean annotate)
18399 if(appData.icsActive) return FALSE; // only in local mode
18400 if(!storedGames) return FALSE; // sanity
18401 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18403 PopInner(annotate);
18404 if(currentMove < forwardMostMove) ForwardEvent(); else
18405 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18407 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18413 { // remove all shelved variations
18415 for(i=0; i<storedGames; i++) {
18416 if(savedDetails[i])
18417 free(savedDetails[i]);
18418 savedDetails[i] = NULL;
18420 for(i=framePtr; i<MAX_MOVES; i++) {
18421 if(commentList[i]) free(commentList[i]);
18422 commentList[i] = NULL;
18424 framePtr = MAX_MOVES-1;
18429 LoadVariation (int index, char *text)
18430 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18431 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18432 int level = 0, move;
18434 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18435 // first find outermost bracketing variation
18436 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18437 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18438 if(*p == '{') wait = '}'; else
18439 if(*p == '[') wait = ']'; else
18440 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18441 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18443 if(*p == wait) wait = NULLCHAR; // closing ]} found
18446 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18447 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18448 end[1] = NULLCHAR; // clip off comment beyond variation
18449 ToNrEvent(currentMove-1);
18450 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18451 // kludge: use ParsePV() to append variation to game
18452 move = currentMove;
18453 ParsePV(start, TRUE, TRUE);
18454 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18455 ClearPremoveHighlights();
18457 ToNrEvent(currentMove+1);
18463 char *p, *q, buf[MSG_SIZ];
18464 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18465 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18466 ParseArgsFromString(buf);
18467 ActivateTheme(TRUE); // also redo colors
18471 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18474 q = appData.themeNames;
18475 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18476 if(appData.useBitmaps) {
18477 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18478 appData.liteBackTextureFile, appData.darkBackTextureFile,
18479 appData.liteBackTextureMode,
18480 appData.darkBackTextureMode );
18482 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18483 Col2Text(2), // lightSquareColor
18484 Col2Text(3) ); // darkSquareColor
18486 if(appData.useBorder) {
18487 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18490 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18492 if(appData.useFont) {
18493 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18494 appData.renderPiecesWithFont,
18495 appData.fontToPieceTable,
18496 Col2Text(9), // appData.fontBackColorWhite
18497 Col2Text(10) ); // appData.fontForeColorBlack
18499 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18500 appData.pieceDirectory);
18501 if(!appData.pieceDirectory[0])
18502 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18503 Col2Text(0), // whitePieceColor
18504 Col2Text(1) ); // blackPieceColor
18506 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18507 Col2Text(4), // highlightSquareColor
18508 Col2Text(5) ); // premoveHighlightColor
18509 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18510 if(insert != q) insert[-1] = NULLCHAR;
18511 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18514 ActivateTheme(FALSE);