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 -fd \".\" "
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 && origIndex - startPV < 5);
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-6; i++)
6031 initialPosition[CASTLING][i] = initialRights[i] = NoRights; /* but no rights yet */
6032 initialPosition[EP_STATUS] = EP_NONE;
6033 initialPosition[TOUCHED_W] = initialPosition[TOUCHED_B] = 0;
6034 SetCharTable(pieceToChar, "PNBRQ...........Kpnbrq...........k");
6035 if(startVariant == gameInfo.variant) // [HGM] nicks: enable nicknames in original variant
6036 SetCharTable(pieceNickName, appData.pieceNickNames);
6037 else SetCharTable(pieceNickName, "............");
6040 switch (gameInfo.variant) {
6041 case VariantFischeRandom:
6042 shuffleOpenings = TRUE;
6043 appData.fischerCastling = TRUE;
6046 case VariantShatranj:
6047 pieces = ShatranjArray;
6048 nrCastlingRights = 0;
6049 SetCharTable(pieceToChar, "PN.R.QB...Kpn.r.qb...k");
6052 pieces = makrukArray;
6053 nrCastlingRights = 0;
6054 SetCharTable(pieceToChar, "PN.R.M....SKpn.r.m....sk");
6057 pieces = aseanArray;
6058 nrCastlingRights = 0;
6059 SetCharTable(pieceToChar, "PN.R.Q....BKpn.r.q....bk");
6061 case VariantTwoKings:
6062 pieces = twoKingsArray;
6065 pieces = GrandArray;
6066 nrCastlingRights = 0;
6067 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6068 gameInfo.boardWidth = 10;
6069 gameInfo.boardHeight = 10;
6070 gameInfo.holdingsSize = 7;
6072 case VariantCapaRandom:
6073 shuffleOpenings = TRUE;
6074 appData.fischerCastling = TRUE;
6075 case VariantCapablanca:
6076 pieces = CapablancaArray;
6077 gameInfo.boardWidth = 10;
6078 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6081 pieces = GothicArray;
6082 gameInfo.boardWidth = 10;
6083 SetCharTable(pieceToChar, "PNBRQ..ACKpnbrq..ack");
6086 SetCharTable(pieceToChar, "PNBRQ..HEKpnbrq..hek");
6087 gameInfo.holdingsSize = 7;
6088 for(i=0; i<BOARD_FILES; i++) initialPosition[VIRGIN][i] = VIRGIN_W | VIRGIN_B;
6091 pieces = JanusArray;
6092 gameInfo.boardWidth = 10;
6093 SetCharTable(pieceToChar, "PNBRQ..JKpnbrq..jk");
6094 nrCastlingRights = 6;
6095 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6096 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6097 initialPosition[CASTLING][2] = initialRights[2] =(BOARD_WIDTH-1)>>1;
6098 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6099 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6100 initialPosition[CASTLING][5] = initialRights[5] =(BOARD_WIDTH-1)>>1;
6103 pieces = FalconArray;
6104 gameInfo.boardWidth = 10;
6105 SetCharTable(pieceToChar, "PNBRQ.............FKpnbrq.............fk");
6107 case VariantXiangqi:
6108 pieces = XiangqiArray;
6109 gameInfo.boardWidth = 9;
6110 gameInfo.boardHeight = 10;
6111 nrCastlingRights = 0;
6112 SetCharTable(pieceToChar, "PH.R.AE..K.C.ph.r.ae..k.c.");
6115 pieces = ShogiArray;
6116 gameInfo.boardWidth = 9;
6117 gameInfo.boardHeight = 9;
6118 gameInfo.holdingsSize = 7;
6119 nrCastlingRights = 0;
6120 SetCharTable(pieceToChar, "PNBRLS...G.++++++Kpnbrls...g.++++++k");
6123 pieces = ChuArray; pieceRows = 3;
6124 gameInfo.boardWidth = 12;
6125 gameInfo.boardHeight = 12;
6126 nrCastlingRights = 0;
6127 SetCharTable(pieceToChar, "P.BRQSEXOGCATHD.VMLIFN+.++.++++++++++.+++++K"
6128 "p.brqsexogcathd.vmlifn+.++.++++++++++.+++++k");
6130 case VariantCourier:
6131 pieces = CourierArray;
6132 gameInfo.boardWidth = 12;
6133 nrCastlingRights = 0;
6134 SetCharTable(pieceToChar, "PNBR.FE..WMKpnbr.fe..wmk");
6136 case VariantKnightmate:
6137 pieces = KnightmateArray;
6138 SetCharTable(pieceToChar, "P.BRQ.....M.........K.p.brq.....m.........k.");
6140 case VariantSpartan:
6141 pieces = SpartanArray;
6142 SetCharTable(pieceToChar, "PNBRQ................K......lwg.....c...h..k");
6146 SetCharTable(pieceToChar, "PNBRQ................LKpnbrq................lk");
6148 case VariantChuChess:
6149 pieces = ChuChessArray;
6150 gameInfo.boardWidth = 10;
6151 gameInfo.boardHeight = 10;
6152 SetCharTable(pieceToChar, "PNBRQ.....M.+++......LKpnbrq.....m.+++......lk");
6155 pieces = fairyArray;
6156 SetCharTable(pieceToChar, "PNBRQFEACWMOHIJGDVLSUKpnbrqfeacwmohijgdvlsuk");
6159 pieces = GreatArray;
6160 gameInfo.boardWidth = 10;
6161 SetCharTable(pieceToChar, "PN....E...S..HWGMKpn....e...s..hwgmk");
6162 gameInfo.holdingsSize = 8;
6166 SetCharTable(pieceToChar, "PNBRQ..SE.......V.AKpnbrq..se.......v.ak");
6167 gameInfo.holdingsSize = 8;
6168 startedFromSetupPosition = TRUE;
6170 case VariantCrazyhouse:
6171 case VariantBughouse:
6173 SetCharTable(pieceToChar, "PNBRQ.......~~~~Kpnbrq.......~~~~k");
6174 gameInfo.holdingsSize = 5;
6176 case VariantWildCastle:
6178 /* !!?shuffle with kings guaranteed to be on d or e file */
6179 shuffleOpenings = 1;
6181 case VariantNoCastle:
6183 nrCastlingRights = 0;
6184 /* !!?unconstrained back-rank shuffle */
6185 shuffleOpenings = 1;
6190 if(appData.NrFiles >= 0) {
6191 if(gameInfo.boardWidth != appData.NrFiles) overrule++;
6192 gameInfo.boardWidth = appData.NrFiles;
6194 if(appData.NrRanks >= 0) {
6195 gameInfo.boardHeight = appData.NrRanks;
6197 if(appData.holdingsSize >= 0) {
6198 i = appData.holdingsSize;
6199 if(i > gameInfo.boardHeight) i = gameInfo.boardHeight;
6200 gameInfo.holdingsSize = i;
6202 if(gameInfo.holdingsSize) gameInfo.holdingsWidth = 2;
6203 if(BOARD_HEIGHT > BOARD_RANKS || BOARD_WIDTH > BOARD_FILES)
6204 DisplayFatalError(_("Recompile to support this BOARD_RANKS or BOARD_FILES!"), 0, 2);
6206 pawnRow = gameInfo.boardHeight - 7; /* seems to work in all common variants */
6207 if(pawnRow < 1) pawnRow = 1;
6208 if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN ||
6209 gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) pawnRow = 2;
6210 if(gameInfo.variant == VariantChu) pawnRow = 3;
6212 /* User pieceToChar list overrules defaults */
6213 if(appData.pieceToCharTable != NULL)
6214 SetCharTable(pieceToChar, appData.pieceToCharTable);
6216 for( j=0; j<BOARD_WIDTH; j++ ) { ChessSquare s = EmptySquare;
6218 if(j==BOARD_LEFT-1 || j==BOARD_RGHT)
6219 s = (ChessSquare) 0; /* account holding counts in guard band */
6220 for( i=0; i<BOARD_HEIGHT; i++ )
6221 initialPosition[i][j] = s;
6223 if(j < BOARD_LEFT || j >= BOARD_RGHT || overrule) continue;
6224 initialPosition[gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess][j] = pieces[0][j-gameInfo.holdingsWidth];
6225 initialPosition[pawnRow][j] = WhitePawn;
6226 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = gameInfo.variant == VariantSpartan ? BlackLance : BlackPawn;
6227 if(gameInfo.variant == VariantXiangqi) {
6229 initialPosition[pawnRow][j] =
6230 initialPosition[BOARD_HEIGHT-pawnRow-1][j] = EmptySquare;
6231 if(j==BOARD_LEFT+1 || j>=BOARD_RGHT-2) {
6232 initialPosition[2][j] = WhiteCannon;
6233 initialPosition[BOARD_HEIGHT-3][j] = BlackCannon;
6237 if(gameInfo.variant == VariantChu) {
6238 if(j == (BOARD_WIDTH-2)/3 || j == BOARD_WIDTH - (BOARD_WIDTH+1)/3)
6239 initialPosition[pawnRow+1][j] = WhiteCobra,
6240 initialPosition[BOARD_HEIGHT-pawnRow-2][j] = BlackCobra;
6241 for(i=1; i<pieceRows; i++) {
6242 initialPosition[i][j] = pieces[2*i][j-gameInfo.holdingsWidth];
6243 initialPosition[BOARD_HEIGHT-1-i][j] = pieces[2*i+1][j-gameInfo.holdingsWidth];
6246 if(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6247 if(j==BOARD_LEFT || j>=BOARD_RGHT-1) {
6248 initialPosition[0][j] = WhiteRook;
6249 initialPosition[BOARD_HEIGHT-1][j] = BlackRook;
6252 initialPosition[BOARD_HEIGHT-1-(gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess)][j] = pieces[1][j-gameInfo.holdingsWidth];
6254 if(gameInfo.variant == VariantChuChess) initialPosition[0][BOARD_WIDTH/2] = WhiteKing, initialPosition[BOARD_HEIGHT-1][BOARD_WIDTH/2-1] = BlackKing;
6255 if( (gameInfo.variant == VariantShogi) && !overrule ) {
6258 initialPosition[1][j] = WhiteBishop;
6259 initialPosition[BOARD_HEIGHT-2][j] = BlackRook;
6261 initialPosition[1][j] = WhiteRook;
6262 initialPosition[BOARD_HEIGHT-2][j] = BlackBishop;
6265 if( nrCastlingRights == -1) {
6266 /* [HGM] Build normal castling rights (must be done after board sizing!) */
6267 /* This sets default castling rights from none to normal corners */
6268 /* Variants with other castling rights must set them themselves above */
6269 nrCastlingRights = 6;
6271 initialPosition[CASTLING][0] = initialRights[0] = BOARD_RGHT-1;
6272 initialPosition[CASTLING][1] = initialRights[1] = BOARD_LEFT;
6273 initialPosition[CASTLING][2] = initialRights[2] = BOARD_WIDTH>>1;
6274 initialPosition[CASTLING][3] = initialRights[3] = BOARD_RGHT-1;
6275 initialPosition[CASTLING][4] = initialRights[4] = BOARD_LEFT;
6276 initialPosition[CASTLING][5] = initialRights[5] = BOARD_WIDTH>>1;
6279 if(gameInfo.variant == VariantSuper) Prelude(initialPosition);
6280 if(gameInfo.variant == VariantGreat) { // promotion commoners
6281 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-1] = WhiteMan;
6282 initialPosition[PieceToNumber(WhiteMan)][BOARD_WIDTH-2] = 9;
6283 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][0] = BlackMan;
6284 initialPosition[BOARD_HEIGHT-1-PieceToNumber(WhiteMan)][1] = 9;
6286 if( gameInfo.variant == VariantSChess ) {
6287 initialPosition[1][0] = BlackMarshall;
6288 initialPosition[2][0] = BlackAngel;
6289 initialPosition[6][BOARD_WIDTH-1] = WhiteMarshall;
6290 initialPosition[5][BOARD_WIDTH-1] = WhiteAngel;
6291 initialPosition[1][1] = initialPosition[2][1] =
6292 initialPosition[6][BOARD_WIDTH-2] = initialPosition[5][BOARD_WIDTH-2] = 1;
6294 if (appData.debugMode) {
6295 fprintf(debugFP, "shuffleOpenings = %d\n", shuffleOpenings);
6297 if(shuffleOpenings) {
6298 SetUpShuffle(initialPosition, appData.defaultFrcPosition);
6299 startedFromSetupPosition = TRUE;
6301 if(startedFromPositionFile) {
6302 /* [HGM] loadPos: use PositionFile for every new game */
6303 CopyBoard(initialPosition, filePosition);
6304 for(i=0; i<nrCastlingRights; i++)
6305 initialRights[i] = filePosition[CASTLING][i];
6306 startedFromSetupPosition = TRUE;
6309 CopyBoard(boards[0], initialPosition);
6311 if(oldx != gameInfo.boardWidth ||
6312 oldy != gameInfo.boardHeight ||
6313 oldv != gameInfo.variant ||
6314 oldh != gameInfo.holdingsWidth
6316 InitDrawingSizes(-2 ,0);
6318 oldv = gameInfo.variant;
6320 DrawPosition(TRUE, boards[currentMove]);
6324 SendBoard (ChessProgramState *cps, int moveNum)
6326 char message[MSG_SIZ];
6328 if (cps->useSetboard) {
6329 char* fen = PositionToFEN(moveNum, cps->fenOverride, 1);
6330 snprintf(message, MSG_SIZ,"setboard %s\n", fen);
6331 SendToProgram(message, cps);
6336 int i, j, left=0, right=BOARD_WIDTH;
6337 /* Kludge to set black to move, avoiding the troublesome and now
6338 * deprecated "black" command.
6340 if (!WhiteOnMove(moveNum)) // [HGM] but better a deprecated command than an illegal move...
6341 SendToProgram(boards[0][1][BOARD_LEFT] == WhitePawn ? "a2a3\n" : "black\n", cps);
6343 if(!cps->extendedEdit) left = BOARD_LEFT, right = BOARD_RGHT; // only board proper
6345 SendToProgram("edit\n", cps);
6346 SendToProgram("#\n", cps);
6347 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6348 bp = &boards[moveNum][i][left];
6349 for (j = left; j < right; j++, bp++) {
6350 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6351 if ((int) *bp < (int) BlackPawn) {
6352 if(j == BOARD_RGHT+1)
6353 snprintf(message, MSG_SIZ, "%c@%d\n", PieceToChar(*bp), bp[-1]);
6354 else snprintf(message, MSG_SIZ, "%c%c%c\n", PieceToChar(*bp), AAA + j, ONE + i);
6355 if(message[0] == '+' || message[0] == '~') {
6356 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6357 PieceToChar((ChessSquare)(DEMOTED *bp)),
6360 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6361 message[1] = BOARD_RGHT - 1 - j + '1';
6362 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6364 SendToProgram(message, cps);
6369 SendToProgram("c\n", cps);
6370 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
6371 bp = &boards[moveNum][i][left];
6372 for (j = left; j < right; j++, bp++) {
6373 if(j == BOARD_LEFT-1 || j == BOARD_RGHT) continue;
6374 if (((int) *bp != (int) EmptySquare)
6375 && ((int) *bp >= (int) BlackPawn)) {
6376 if(j == BOARD_LEFT-2)
6377 snprintf(message, MSG_SIZ, "%c@%d\n", ToUpper(PieceToChar(*bp)), bp[1]);
6378 else snprintf(message,MSG_SIZ, "%c%c%c\n", ToUpper(PieceToChar(*bp)),
6380 if(message[0] == '+' || message[0] == '~') {
6381 snprintf(message, MSG_SIZ,"%c%c%c+\n",
6382 PieceToChar((ChessSquare)(DEMOTED *bp)),
6385 if(cps->alphaRank) { /* [HGM] shogi: translate coords */
6386 message[1] = BOARD_RGHT - 1 - j + '1';
6387 message[2] = BOARD_HEIGHT - 1 - i + 'a';
6389 SendToProgram(message, cps);
6394 SendToProgram(".\n", cps);
6396 setboardSpoiledMachineBlack = 0; /* [HGM] assume WB 4.2.7 already solves this after sending setboard */
6399 char exclusionHeader[MSG_SIZ];
6400 int exCnt, excludePtr;
6401 typedef struct { int ff, fr, tf, tr, pc, mark; } Exclusion;
6402 static Exclusion excluTab[200];
6403 static char excludeMap[(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8]; // [HGM] exclude: bitmap for excluced moves
6409 for(j=0; j<(BOARD_RANKS*BOARD_FILES*BOARD_RANKS*BOARD_FILES+7)/8; j++) excludeMap[j] = s;
6410 exclusionHeader[19] = s ? '-' : '+'; // update tail state
6416 safeStrCpy(exclusionHeader, "exclude: none best +tail \n", MSG_SIZ);
6417 excludePtr = 24; exCnt = 0;
6422 UpdateExcludeHeader (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6423 { // search given move in table of header moves, to know where it is listed (and add if not there), and update state
6424 char buf[2*MOVE_LEN], *p;
6425 Exclusion *e = excluTab;
6427 for(i=0; i<exCnt; i++)
6428 if(e[i].ff == fromX && e[i].fr == fromY &&
6429 e[i].tf == toX && e[i].tr == toY && e[i].pc == promoChar) break;
6430 if(i == exCnt) { // was not in exclude list; add it
6431 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, buf);
6432 if(strlen(exclusionHeader + excludePtr) < strlen(buf)) { // no space to write move
6433 if(state != exclusionHeader[19]) exclusionHeader[19] = '*'; // tail is now in mixed state
6436 e[i].ff = fromX; e[i].fr = fromY; e[i].tf = toX; e[i].tr = toY; e[i].pc = promoChar;
6437 excludePtr++; e[i].mark = excludePtr++;
6438 for(p=buf; *p; p++) exclusionHeader[excludePtr++] = *p; // copy move
6441 exclusionHeader[e[i].mark] = state;
6445 ExcludeOneMove (int fromY, int fromX, int toY, int toX, char promoChar, char state)
6446 { // include or exclude the given move, as specified by state ('+' or '-'), or toggle
6450 if((signed char)promoChar == -1) { // kludge to indicate best move
6451 if(!ParseOneMove(lastPV[0], currentMove, &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) // get current best move from last PV
6452 return 1; // if unparsable, abort
6454 // update exclusion map (resolving toggle by consulting existing state)
6455 k=(BOARD_FILES*fromY+fromX)*BOARD_RANKS*BOARD_FILES + (BOARD_FILES*toY+toX);
6457 if(state == '*') state = (excludeMap[k] & 1<<j ? '+' : '-'); // toggle
6458 if(state == '-' && !promoChar) // only non-promotions get marked as excluded, to allow exclusion of under-promotions
6459 excludeMap[k] |= 1<<j;
6460 else excludeMap[k] &= ~(1<<j);
6462 UpdateExcludeHeader(fromY, fromX, toY, toX, promoChar, state);
6464 snprintf(buf, MSG_SIZ, "%sclude ", state == '+' ? "in" : "ex");
6465 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar, buf+8);
6467 return (state == '+');
6471 ExcludeClick (int index)
6474 Exclusion *e = excluTab;
6475 if(index < 25) { // none, best or tail clicked
6476 if(index < 13) { // none: include all
6477 WriteMap(0); // clear map
6478 for(i=0; i<exCnt; i++) exclusionHeader[excluTab[i].mark] = '+'; // and moves
6479 SendToBoth("include all\n"); // and inform engine
6480 } else if(index > 18) { // tail
6481 if(exclusionHeader[19] == '-') { // tail was excluded
6482 SendToBoth("include all\n");
6483 WriteMap(0); // clear map completely
6484 // now re-exclude selected moves
6485 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '-')
6486 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '-');
6487 } else { // tail was included or in mixed state
6488 SendToBoth("exclude all\n");
6489 WriteMap(0xFF); // fill map completely
6490 // now re-include selected moves
6491 j = 0; // count them
6492 for(i=0; i<exCnt; i++) if(exclusionHeader[e[i].mark] == '+')
6493 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, '+'), j++;
6494 if(!j) ExcludeOneMove(0, 0, 0, 0, -1, '+'); // if no moves were selected, keep best
6497 ExcludeOneMove(0, 0, 0, 0, -1, '-'); // exclude it
6500 for(i=0; i<exCnt; i++) if(i == exCnt-1 || excluTab[i+1].mark > index) {
6501 char *p=exclusionHeader + excluTab[i].mark; // do trust header more than map (promotions!)
6502 ExcludeOneMove(e[i].fr, e[i].ff, e[i].tr, e[i].tf, e[i].pc, *p == '+' ? '-' : '+');
6509 DefaultPromoChoice (int white)
6512 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6513 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN)
6514 result = WhiteFerz; // no choice
6515 else if(gameInfo.variant == VariantSuicide || gameInfo.variant == VariantGiveaway)
6516 result= WhiteKing; // in Suicide Q is the last thing we want
6517 else if(gameInfo.variant == VariantSpartan)
6518 result = white ? WhiteQueen : WhiteAngel;
6519 else result = WhiteQueen;
6520 if(!white) result = WHITE_TO_BLACK result;
6524 static int autoQueen; // [HGM] oneclick
6527 HasPromotionChoice (int fromX, int fromY, int toX, int toY, char *promoChoice, int sweepSelect)
6529 /* [HGM] rewritten IsPromotion to only flag promotions that offer a choice */
6530 /* [HGM] add Shogi promotions */
6531 int promotionZoneSize=1, highestPromotingPiece = (int)WhitePawn;
6532 ChessSquare piece, partner;
6536 if(fromX < BOARD_LEFT || fromX >= BOARD_RGHT) return FALSE; // drop
6537 if(toX < BOARD_LEFT || toX >= BOARD_RGHT) return FALSE; // move into holdings
6539 if(gameMode == EditPosition || gameInfo.variant == VariantXiangqi || // no promotions
6540 !(fromX >=0 && fromY >= 0 && toX >= 0 && toY >= 0) ) // invalid move
6543 piece = boards[currentMove][fromY][fromX];
6544 if(gameInfo.variant == VariantChu) {
6545 int p = piece >= BlackPawn ? BLACK_TO_WHITE piece : piece;
6546 promotionZoneSize = BOARD_HEIGHT/3;
6547 highestPromotingPiece = (p >= WhiteLion || PieceToChar(piece + 22) == '.') ? WhitePawn : WhiteLion;
6548 } else if(gameInfo.variant == VariantShogi || gameInfo.variant == VariantChuChess) {
6549 promotionZoneSize = BOARD_HEIGHT/3;
6550 highestPromotingPiece = (int)WhiteAlfil;
6551 } else if(gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess) {
6552 promotionZoneSize = 3;
6555 // Treat Lance as Pawn when it is not representing Amazon or Lance
6556 if(gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu) {
6557 if(piece == WhiteLance) piece = WhitePawn; else
6558 if(piece == BlackLance) piece = BlackPawn;
6561 // next weed out all moves that do not touch the promotion zone at all
6562 if((int)piece >= BlackPawn) {
6563 if(toY >= promotionZoneSize && fromY >= promotionZoneSize)
6565 if(fromY < promotionZoneSize && gameInfo.variant == VariantChuChess) return FALSE;
6566 highestPromotingPiece = WHITE_TO_BLACK highestPromotingPiece;
6568 if( toY < BOARD_HEIGHT - promotionZoneSize &&
6569 fromY < BOARD_HEIGHT - promotionZoneSize) return FALSE;
6570 if(fromY >= BOARD_HEIGHT - promotionZoneSize && gameInfo.variant == VariantChuChess)
6574 if( (int)piece > highestPromotingPiece ) return FALSE; // non-promoting piece
6576 // weed out mandatory Shogi promotions
6577 if(gameInfo.variant == VariantShogi) {
6578 if(piece >= BlackPawn) {
6579 if(toY == 0 && piece == BlackPawn ||
6580 toY == 0 && piece == BlackQueen ||
6581 toY <= 1 && piece == BlackKnight) {
6586 if(toY == BOARD_HEIGHT-1 && piece == WhitePawn ||
6587 toY == BOARD_HEIGHT-1 && piece == WhiteQueen ||
6588 toY >= BOARD_HEIGHT-2 && piece == WhiteKnight) {
6595 // weed out obviously illegal Pawn moves
6596 if(appData.testLegality && (piece == WhitePawn || piece == BlackPawn) ) {
6597 if(toX > fromX+1 || toX < fromX-1) return FALSE; // wide
6598 if(piece == WhitePawn && toY != fromY+1) return FALSE; // deep
6599 if(piece == BlackPawn && toY != fromY-1) return FALSE; // deep
6600 if(fromX != toX && gameInfo.variant == VariantShogi) return FALSE;
6601 // note we are not allowed to test for valid (non-)capture, due to premove
6604 // we either have a choice what to promote to, or (in Shogi) whether to promote
6605 if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
6606 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) {
6607 ChessSquare p=BlackFerz; // no choice
6608 while(p < EmptySquare) { //but make sure we use piece that exists
6609 *promoChoice = PieceToChar(p++);
6610 if(*promoChoice != '.') break;
6614 // no sense asking what we must promote to if it is going to explode...
6615 if(gameInfo.variant == VariantAtomic && boards[currentMove][toY][toX] != EmptySquare) {
6616 *promoChoice = PieceToChar(BlackQueen); // Queen as good as any
6619 // give caller the default choice even if we will not make it
6620 *promoChoice = ToLower(PieceToChar(defaultPromoChoice));
6621 partner = piece; // pieces can promote if the pieceToCharTable says so
6622 if(IS_SHOGI(gameInfo.variant)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? '=' : '+'); // obsolete?
6623 else if(Partner(&partner)) *promoChoice = (defaultPromoChoice == piece && sweepSelect ? NULLCHAR : '+');
6624 if( sweepSelect && gameInfo.variant != VariantGreat
6625 && gameInfo.variant != VariantGrand
6626 && gameInfo.variant != VariantSuper) return FALSE;
6627 if(autoQueen) return FALSE; // predetermined
6629 // suppress promotion popup on illegal moves that are not premoves
6630 premove = gameMode == IcsPlayingWhite && !WhiteOnMove(currentMove) ||
6631 gameMode == IcsPlayingBlack && WhiteOnMove(currentMove);
6632 if(appData.testLegality && !premove) {
6633 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6634 fromY, fromX, toY, toX, IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantChuChess ? '+' : NULLCHAR);
6635 if(moveType == IllegalMove) *promoChoice = NULLCHAR; // could be the fact we promoted was illegal
6636 if(moveType != WhitePromotion && moveType != BlackPromotion)
6644 InPalace (int row, int column)
6645 { /* [HGM] for Xiangqi */
6646 if( (row < 3 || row > BOARD_HEIGHT-4) &&
6647 column < (BOARD_WIDTH + 4)/2 &&
6648 column > (BOARD_WIDTH - 5)/2 ) return TRUE;
6653 PieceForSquare (int x, int y)
6655 if (x < 0 || x >= BOARD_WIDTH || y < 0 || y >= BOARD_HEIGHT)
6658 return boards[currentMove][y][x];
6662 OKToStartUserMove (int x, int y)
6664 ChessSquare from_piece;
6667 if (matchMode) return FALSE;
6668 if (gameMode == EditPosition) return TRUE;
6670 if (x >= 0 && y >= 0)
6671 from_piece = boards[currentMove][y][x];
6673 from_piece = EmptySquare;
6675 if (from_piece == EmptySquare) return FALSE;
6677 white_piece = (int)from_piece >= (int)WhitePawn &&
6678 (int)from_piece < (int)BlackPawn; /* [HGM] can be > King! */
6682 case TwoMachinesPlay:
6690 case MachinePlaysWhite:
6691 case IcsPlayingBlack:
6692 if (appData.zippyPlay) return FALSE;
6694 DisplayMoveError(_("You are playing Black"));
6699 case MachinePlaysBlack:
6700 case IcsPlayingWhite:
6701 if (appData.zippyPlay) return FALSE;
6703 DisplayMoveError(_("You are playing White"));
6708 case PlayFromGameFile:
6709 if(!shiftKey || !appData.variations) return FALSE; // [HGM] allow starting variation in this mode
6711 if (!white_piece && WhiteOnMove(currentMove)) {
6712 DisplayMoveError(_("It is White's turn"));
6715 if (white_piece && !WhiteOnMove(currentMove)) {
6716 DisplayMoveError(_("It is Black's turn"));
6719 if (cmailMsgLoaded && (currentMove < cmailOldMove)) {
6720 /* Editing correspondence game history */
6721 /* Could disallow this or prompt for confirmation */
6726 case BeginningOfGame:
6727 if (appData.icsActive) return FALSE;
6728 if (!appData.noChessProgram) {
6730 DisplayMoveError(_("You are playing White"));
6737 if (!white_piece && WhiteOnMove(currentMove)) {
6738 DisplayMoveError(_("It is White's turn"));
6741 if (white_piece && !WhiteOnMove(currentMove)) {
6742 DisplayMoveError(_("It is Black's turn"));
6751 if (currentMove != forwardMostMove && gameMode != AnalyzeMode
6752 && gameMode != EditGame // [HGM] vari: treat as AnalyzeMode
6753 && gameMode != PlayFromGameFile // [HGM] as EditGame, with protected main line
6754 && gameMode != AnalyzeFile && gameMode != Training) {
6755 DisplayMoveError(_("Displayed position is not current"));
6762 OnlyMove (int *x, int *y, Boolean captures)
6764 DisambiguateClosure cl;
6765 if (appData.zippyPlay || !appData.testLegality) return FALSE;
6767 case MachinePlaysBlack:
6768 case IcsPlayingWhite:
6769 case BeginningOfGame:
6770 if(!WhiteOnMove(currentMove)) return FALSE;
6772 case MachinePlaysWhite:
6773 case IcsPlayingBlack:
6774 if(WhiteOnMove(currentMove)) return FALSE;
6781 cl.pieceIn = EmptySquare;
6786 cl.promoCharIn = NULLCHAR;
6787 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6788 if( cl.kind == NormalMove ||
6789 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6790 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6791 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6798 if(cl.kind != ImpossibleMove) return FALSE;
6799 cl.pieceIn = EmptySquare;
6804 cl.promoCharIn = NULLCHAR;
6805 Disambiguate(boards[currentMove], PosFlags(currentMove), &cl);
6806 if( cl.kind == NormalMove ||
6807 cl.kind == AmbiguousMove && captures && cl.captures == 1 ||
6808 cl.kind == WhitePromotion || cl.kind == BlackPromotion ||
6809 cl.kind == WhiteCapturesEnPassant || cl.kind == BlackCapturesEnPassant) {
6814 autoQueen = TRUE; // act as if autoQueen on when we click to-square
6820 FILE *lastLoadGameFP = NULL, *lastLoadPositionFP = NULL;
6821 int lastLoadGameNumber = 0, lastLoadPositionNumber = 0;
6822 int lastLoadGameUseList = FALSE;
6823 char lastLoadGameTitle[MSG_SIZ], lastLoadPositionTitle[MSG_SIZ];
6824 ChessMove lastLoadGameStart = EndOfFile;
6826 Boolean addToBookFlag;
6829 UserMoveEvent(int fromX, int fromY, int toX, int toY, int promoChar)
6833 int ff=fromX, rf=fromY, ft=toX, rt=toY;
6835 /* Check if the user is playing in turn. This is complicated because we
6836 let the user "pick up" a piece before it is his turn. So the piece he
6837 tried to pick up may have been captured by the time he puts it down!
6838 Therefore we use the color the user is supposed to be playing in this
6839 test, not the color of the piece that is currently on the starting
6840 square---except in EditGame mode, where the user is playing both
6841 sides; fortunately there the capture race can't happen. (It can
6842 now happen in IcsExamining mode, but that's just too bad. The user
6843 will get a somewhat confusing message in that case.)
6848 case TwoMachinesPlay:
6852 /* We switched into a game mode where moves are not accepted,
6853 perhaps while the mouse button was down. */
6856 case MachinePlaysWhite:
6857 /* User is moving for Black */
6858 if (WhiteOnMove(currentMove)) {
6859 DisplayMoveError(_("It is White's turn"));
6864 case MachinePlaysBlack:
6865 /* User is moving for White */
6866 if (!WhiteOnMove(currentMove)) {
6867 DisplayMoveError(_("It is Black's turn"));
6872 case PlayFromGameFile:
6873 if(!shiftKey ||!appData.variations) return; // [HGM] only variations
6876 case BeginningOfGame:
6879 if(fromY == DROP_RANK) break; // [HGM] drop moves (entered through move type-in) are automatically assigned to side-to-move
6880 if ((int) boards[currentMove][fromY][fromX] >= (int) BlackPawn &&
6881 (int) boards[currentMove][fromY][fromX] < (int) EmptySquare) {
6882 /* User is moving for Black */
6883 if (WhiteOnMove(currentMove)) {
6884 DisplayMoveError(_("It is White's turn"));
6888 /* User is moving for White */
6889 if (!WhiteOnMove(currentMove)) {
6890 DisplayMoveError(_("It is Black's turn"));
6896 case IcsPlayingBlack:
6897 /* User is moving for Black */
6898 if (WhiteOnMove(currentMove)) {
6899 if (!appData.premove) {
6900 DisplayMoveError(_("It is White's turn"));
6901 } else if (toX >= 0 && toY >= 0) {
6904 premoveFromX = fromX;
6905 premoveFromY = fromY;
6906 premovePromoChar = promoChar;
6908 if (appData.debugMode)
6909 fprintf(debugFP, "Got premove: fromX %d,"
6910 "fromY %d, toX %d, toY %d\n",
6911 fromX, fromY, toX, toY);
6917 case IcsPlayingWhite:
6918 /* User is moving for White */
6919 if (!WhiteOnMove(currentMove)) {
6920 if (!appData.premove) {
6921 DisplayMoveError(_("It is Black's turn"));
6922 } else if (toX >= 0 && toY >= 0) {
6925 premoveFromX = fromX;
6926 premoveFromY = fromY;
6927 premovePromoChar = promoChar;
6929 if (appData.debugMode)
6930 fprintf(debugFP, "Got premove: fromX %d,"
6931 "fromY %d, toX %d, toY %d\n",
6932 fromX, fromY, toX, toY);
6942 /* EditPosition, empty square, or different color piece;
6943 click-click move is possible */
6944 if (toX == -2 || toY == -2) {
6945 boards[0][fromY][fromX] = EmptySquare;
6946 DrawPosition(FALSE, boards[currentMove]);
6948 } else if (toX >= 0 && toY >= 0) {
6949 if(!appData.pieceMenu && toX == fromX && toY == fromY && boards[0][rf][ff] != EmptySquare) {
6950 ChessSquare q, p = boards[0][rf][ff];
6951 if(p >= BlackPawn) p = BLACK_TO_WHITE p;
6952 if(CHUPROMOTED p < BlackPawn) p = q = CHUPROMOTED boards[0][rf][ff];
6953 else p = CHUDEMOTED (q = boards[0][rf][ff]);
6954 if(PieceToChar(q) == '+') gatingPiece = p;
6956 boards[0][toY][toX] = boards[0][fromY][fromX];
6957 if(fromX == BOARD_LEFT-2) { // handle 'moves' out of holdings
6958 if(boards[0][fromY][0] != EmptySquare) {
6959 if(boards[0][fromY][1]) boards[0][fromY][1]--;
6960 if(boards[0][fromY][1] == 0) boards[0][fromY][0] = EmptySquare;
6963 if(fromX == BOARD_RGHT+1) {
6964 if(boards[0][fromY][BOARD_WIDTH-1] != EmptySquare) {
6965 if(boards[0][fromY][BOARD_WIDTH-2]) boards[0][fromY][BOARD_WIDTH-2]--;
6966 if(boards[0][fromY][BOARD_WIDTH-2] == 0) boards[0][fromY][BOARD_WIDTH-1] = EmptySquare;
6969 boards[0][fromY][fromX] = gatingPiece;
6970 DrawPosition(FALSE, boards[currentMove]);
6976 if((toX < 0 || toY < 0) && (fromY != DROP_RANK || fromX != EmptySquare)) return;
6977 pup = boards[currentMove][toY][toX];
6979 /* [HGM] If move started in holdings, it means a drop. Convert to standard form */
6980 if( (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) && fromY != DROP_RANK ) {
6981 if( pup != EmptySquare ) return;
6982 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
6983 if(appData.debugMode) fprintf(debugFP, "Drop move %d, curr=%d, x=%d,y=%d, p=%d\n",
6984 moveType, currentMove, fromX, fromY, boards[currentMove][fromY][fromX]);
6985 // holdings might not be sent yet in ICS play; we have to figure out which piece belongs here
6986 if(fromX == 0) fromY = BOARD_HEIGHT-1 - fromY; // black holdings upside-down
6987 fromX = fromX ? WhitePawn : BlackPawn; // first piece type in selected holdings
6988 while(PieceToChar(fromX) == '.' || PieceToNumber(fromX) != fromY && fromX != (int) EmptySquare) fromX++;
6992 /* [HGM] always test for legality, to get promotion info */
6993 moveType = LegalityTest(boards[currentMove], PosFlags(currentMove),
6994 fromY, fromX, toY, toX, promoChar);
6996 if(fromY == DROP_RANK && fromX == EmptySquare && (gameMode == AnalyzeMode || gameMode == EditGame || PosFlags(0) & F_NULL_MOVE)) moveType = NormalMove;
6998 /* [HGM] but possibly ignore an IllegalMove result */
6999 if (appData.testLegality) {
7000 if (moveType == IllegalMove || moveType == ImpossibleMove) {
7001 DisplayMoveError(_("Illegal move"));
7006 if(doubleClick && gameMode == AnalyzeMode) { // [HGM] exclude: move entered with double-click on from square is for exclusion, not playing
7007 if(ExcludeOneMove(fromY, fromX, toY, toX, promoChar, '*')) // toggle
7008 ClearPremoveHighlights(); // was included
7009 else ClearHighlights(), SetPremoveHighlights(ff, rf, ft, rt); // exclusion indicated by premove highlights
7013 if(addToBookFlag) { // adding moves to book
7014 char buf[MSG_SIZ], move[MSG_SIZ];
7015 CoordsToAlgebraic(boards[currentMove], PosFlags(currentMove), fromY, fromX, toY, toX, promoChar, move);
7016 snprintf(buf, MSG_SIZ, " 0.0%% 1 %s\n", move);
7018 addToBookFlag = FALSE;
7023 FinishMove(moveType, fromX, fromY, toX, toY, promoChar);
7026 /* Common tail of UserMoveEvent and DropMenuEvent */
7028 FinishMove (ChessMove moveType, int fromX, int fromY, int toX, int toY, int promoChar)
7032 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) && promoChar != NULLCHAR) {
7033 // [HGM] superchess: suppress promotions to non-available piece (but P always allowed)
7034 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
7035 if(WhiteOnMove(currentMove)) {
7036 if(!boards[currentMove][k][BOARD_WIDTH-2]) return 0;
7038 if(!boards[currentMove][BOARD_HEIGHT-1-k][1]) return 0;
7042 /* [HGM] <popupFix> kludge to avoid having to know the exact promotion
7043 move type in caller when we know the move is a legal promotion */
7044 if(moveType == NormalMove && promoChar)
7045 moveType = WhiteOnMove(currentMove) ? WhitePromotion : BlackPromotion;
7047 /* [HGM] <popupFix> The following if has been moved here from
7048 UserMoveEvent(). Because it seemed to belong here (why not allow
7049 piece drops in training games?), and because it can only be
7050 performed after it is known to what we promote. */
7051 if (gameMode == Training) {
7052 /* compare the move played on the board to the next move in the
7053 * game. If they match, display the move and the opponent's response.
7054 * If they don't match, display an error message.
7058 CopyBoard(testBoard, boards[currentMove]);
7059 ApplyMove(fromX, fromY, toX, toY, promoChar, testBoard);
7061 if (CompareBoards(testBoard, boards[currentMove+1])) {
7062 ForwardInner(currentMove+1);
7064 /* Autoplay the opponent's response.
7065 * if appData.animate was TRUE when Training mode was entered,
7066 * the response will be animated.
7068 saveAnimate = appData.animate;
7069 appData.animate = animateTraining;
7070 ForwardInner(currentMove+1);
7071 appData.animate = saveAnimate;
7073 /* check for the end of the game */
7074 if (currentMove >= forwardMostMove) {
7075 gameMode = PlayFromGameFile;
7077 SetTrainingModeOff();
7078 DisplayInformation(_("End of game"));
7081 DisplayError(_("Incorrect move"), 0);
7086 /* Ok, now we know that the move is good, so we can kill
7087 the previous line in Analysis Mode */
7088 if ((gameMode == AnalyzeMode || gameMode == EditGame || gameMode == PlayFromGameFile && appData.variations && shiftKey)
7089 && currentMove < forwardMostMove) {
7090 if(appData.variations && shiftKey) PushTail(currentMove, forwardMostMove); // [HGM] vari: save tail of game
7091 else forwardMostMove = currentMove;
7096 /* If we need the chess program but it's dead, restart it */
7097 ResurrectChessProgram();
7099 /* A user move restarts a paused game*/
7103 thinkOutput[0] = NULLCHAR;
7105 MakeMove(fromX, fromY, toX, toY, promoChar); /*updates forwardMostMove*/
7107 if(Adjudicate(NULL)) { // [HGM] adjudicate: take care of automatic game end
7108 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7112 if (gameMode == BeginningOfGame) {
7113 if (appData.noChessProgram) {
7114 gameMode = EditGame;
7118 gameMode = MachinePlaysBlack;
7121 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
7123 if (first.sendName) {
7124 snprintf(buf, MSG_SIZ,"name %s\n", gameInfo.white);
7125 SendToProgram(buf, &first);
7132 /* Relay move to ICS or chess engine */
7133 if (appData.icsActive) {
7134 if (gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
7135 gameMode == IcsExamining) {
7136 if(userOfferedDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
7137 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
7139 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7141 // also send plain move, in case ICS does not understand atomic claims
7142 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
7146 if (first.sendTime && (gameMode == BeginningOfGame ||
7147 gameMode == MachinePlaysWhite ||
7148 gameMode == MachinePlaysBlack)) {
7149 SendTimeRemaining(&first, gameMode != MachinePlaysBlack);
7151 if (gameMode != EditGame && gameMode != PlayFromGameFile && gameMode != AnalyzeMode) {
7152 // [HGM] book: if program might be playing, let it use book
7153 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, FALSE);
7154 first.maybeThinking = TRUE;
7155 } else if(fromY == DROP_RANK && fromX == EmptySquare) {
7156 if(!first.useSetboard) SendToProgram("undo\n", &first); // kludge to change stm in engines that do not support setboard
7157 SendBoard(&first, currentMove+1);
7158 if(second.analyzing) {
7159 if(!second.useSetboard) SendToProgram("undo\n", &second);
7160 SendBoard(&second, currentMove+1);
7163 SendMoveToProgram(forwardMostMove-1, &first);
7164 if(second.analyzing) SendMoveToProgram(forwardMostMove-1, &second);
7166 if (currentMove == cmailOldMove + 1) {
7167 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
7171 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
7175 if(appData.testLegality)
7176 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
7182 if (WhiteOnMove(currentMove)) {
7183 GameEnds(BlackWins, "Black mates", GE_PLAYER);
7185 GameEnds(WhiteWins, "White mates", GE_PLAYER);
7189 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
7194 case MachinePlaysBlack:
7195 case MachinePlaysWhite:
7196 /* disable certain menu options while machine is thinking */
7197 SetMachineThinkingEnables();
7204 userOfferedDraw = FALSE; // [HGM] drawclaim: after move made, and tested for claimable draw
7205 promoDefaultAltered = FALSE; // [HGM] fall back on default choice
7207 if(bookHit) { // [HGM] book: simulate book reply
7208 static char bookMove[MSG_SIZ]; // a bit generous?
7210 programStats.nodes = programStats.depth = programStats.time =
7211 programStats.score = programStats.got_only_move = 0;
7212 sprintf(programStats.movelist, "%s (xbook)", bookHit);
7214 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
7215 strcat(bookMove, bookHit);
7216 HandleMachineMove(bookMove, &first);
7222 MarkByFEN(char *fen)
7225 if(!appData.markers || !appData.highlightDragging) return;
7226 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) legal[r][f] = 0;
7227 r=BOARD_HEIGHT-1; f=BOARD_LEFT;
7231 if(*fen == 'M') legal[r][f] = 2; else // request promotion choice
7232 if(*fen >= 'A' && *fen <= 'Z') legal[r][f] = 1; else
7233 if(*fen >= 'a' && *fen <= 'z') *fen += 'A' - 'a';
7234 if(*fen == '/' && f > BOARD_LEFT) f = BOARD_LEFT, r--; else
7235 if(*fen == 'T') marker[r][f++] = 0; else
7236 if(*fen == 'Y') marker[r][f++] = 1; else
7237 if(*fen == 'G') marker[r][f++] = 3; else
7238 if(*fen == 'B') marker[r][f++] = 4; else
7239 if(*fen == 'C') marker[r][f++] = 5; else
7240 if(*fen == 'M') marker[r][f++] = 6; else
7241 if(*fen == 'W') marker[r][f++] = 7; else
7242 if(*fen == 'D') marker[r][f++] = 8; else
7243 if(*fen == 'R') marker[r][f++] = 2; else {
7244 while(*fen <= '9' && *fen >= '0') s = 10*s + *fen++ - '0';
7247 while(f >= BOARD_RGHT) f -= BOARD_RGHT - BOARD_LEFT, r--;
7251 DrawPosition(TRUE, NULL);
7254 static char baseMarker[BOARD_RANKS][BOARD_FILES], baseLegal[BOARD_RANKS][BOARD_FILES];
7257 Mark (Board board, int flags, ChessMove kind, int rf, int ff, int rt, int ft, VOIDSTAR closure)
7259 typedef char Markers[BOARD_RANKS][BOARD_FILES];
7260 Markers *m = (Markers *) closure;
7261 if(rf == fromY && ff == fromX && (killX < 0 && !(rt == rf && ft == ff) || abs(ft-killX) < 2 && abs(rt-killY) < 2))
7262 (*m)[rt][ft] = 1 + (board[rt][ft] != EmptySquare
7263 || kind == WhiteCapturesEnPassant
7264 || kind == BlackCapturesEnPassant) + 3*(kind == FirstLeg && killX < 0), legal[rt][ft] = 1;
7265 else if(flags & F_MANDATORY_CAPTURE && board[rt][ft] != EmptySquare) (*m)[rt][ft] = 3, legal[rt][ft] = 1;
7268 static int hoverSavedValid;
7271 MarkTargetSquares (int clear)
7274 if(clear) { // no reason to ever suppress clearing
7275 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) sum += marker[y][x], marker[y][x] = 0;
7276 hoverSavedValid = 0;
7277 if(!sum) return; // nothing was cleared,no redraw needed
7280 if(!appData.markers || !appData.highlightDragging || appData.icsActive && gameInfo.variant < VariantShogi ||
7281 !appData.testLegality && !pieceDefs || gameMode == EditPosition) return;
7282 GenLegal(boards[currentMove], PosFlags(currentMove), Mark, (void*) marker, EmptySquare);
7283 if(PosFlags(0) & F_MANDATORY_CAPTURE) {
7284 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x]>1) capt++;
7286 for(x=0; x<BOARD_WIDTH; x++) for(y=0; y<BOARD_HEIGHT; y++) if(marker[y][x] == 1) marker[y][x] = 0;
7289 DrawPosition(FALSE, NULL);
7293 Explode (Board board, int fromX, int fromY, int toX, int toY)
7295 if(gameInfo.variant == VariantAtomic &&
7296 (board[toY][toX] != EmptySquare || // capture?
7297 toX != fromX && (board[fromY][fromX] == WhitePawn || // e.p. ?
7298 board[fromY][fromX] == BlackPawn )
7300 AnimateAtomicCapture(board, fromX, fromY, toX, toY);
7306 ChessSquare gatingPiece = EmptySquare; // exported to front-end, for dragging
7309 CanPromote (ChessSquare piece, int y)
7311 int zone = (gameInfo.variant == VariantChuChess ? 3 : 1);
7312 if(gameMode == EditPosition) return FALSE; // no promotions when editing position
7313 // some variants have fixed promotion piece, no promotion at all, or another selection mechanism
7314 if(IS_SHOGI(gameInfo.variant) || gameInfo.variant == VariantXiangqi ||
7315 gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat ||
7316 gameInfo.variant == VariantShatranj || gameInfo.variant == VariantCourier ||
7317 gameInfo.variant == VariantMakruk || gameInfo.variant == VariantASEAN) return FALSE;
7318 return (piece == BlackPawn && y <= zone ||
7319 piece == WhitePawn && y >= BOARD_HEIGHT-1-zone ||
7320 piece == BlackLance && y == 1 ||
7321 piece == WhiteLance && y == BOARD_HEIGHT-2 );
7325 HoverEvent (int xPix, int yPix, int x, int y)
7327 static int oldX = -1, oldY = -1, oldFromX = -1, oldFromY = -1;
7329 if(!first.highlight) return;
7330 if(fromX != oldFromX || fromY != oldFromY) oldX = oldY = -1; // kludge to fake entry on from-click
7331 if(x == oldX && y == oldY) return; // only do something if we enter new square
7332 oldFromX = fromX; oldFromY = fromY;
7333 if(oldX == -1 && oldY == -1 && x == fromX && y == fromY) { // record markings after from-change
7334 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7335 baseMarker[r][f] = marker[r][f], baseLegal[r][f] = legal[r][f];
7336 hoverSavedValid = 1;
7337 } else if(oldX != x || oldY != y) {
7338 // [HGM] lift: entered new to-square; redraw arrow, and inform engine
7339 if(hoverSavedValid) // don't restore markers that are supposed to be cleared
7340 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7341 marker[r][f] = baseMarker[r][f], legal[r][f] = baseLegal[r][f];
7342 if((marker[y][x] == 2 || marker[y][x] == 6) && legal[y][x]) {
7344 snprintf(buf, MSG_SIZ, "hover %c%d\n", x + AAA, y + ONE - '0');
7345 SendToProgram(buf, &first);
7348 // SetHighlights(fromX, fromY, x, y);
7352 void ReportClick(char *action, int x, int y)
7354 char buf[MSG_SIZ]; // Inform engine of what user does
7356 if(action[0] == 'l') // mark any target square of a lifted piece as legal to-square, clear markers
7357 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++)
7358 legal[r][f] = !pieceDefs || !appData.markers, marker[r][f] = 0;
7359 if(!first.highlight || gameMode == EditPosition) return;
7360 snprintf(buf, MSG_SIZ, "%s %c%d%s\n", action, x+AAA, y+ONE-'0', controlKey && action[0]=='p' ? "," : "");
7361 SendToProgram(buf, &first);
7365 LeftClick (ClickType clickType, int xPix, int yPix)
7368 Boolean saveAnimate;
7369 static int second = 0, promotionChoice = 0, clearFlag = 0, sweepSelecting = 0;
7370 char promoChoice = NULLCHAR;
7372 static TimeMark lastClickTime, prevClickTime;
7374 if(SeekGraphClick(clickType, xPix, yPix, 0)) return;
7376 prevClickTime = lastClickTime; GetTimeMark(&lastClickTime);
7378 if (clickType == Press) ErrorPopDown();
7379 lastClickType = clickType, lastLeftX = xPix, lastLeftY = yPix; // [HGM] alien: remember state
7381 x = EventToSquare(xPix, BOARD_WIDTH);
7382 y = EventToSquare(yPix, BOARD_HEIGHT);
7383 if (!flipView && y >= 0) {
7384 y = BOARD_HEIGHT - 1 - y;
7386 if (flipView && x >= 0) {
7387 x = BOARD_WIDTH - 1 - x;
7390 if(promoSweep != EmptySquare) { // up-click during sweep-select of promo-piece
7391 defaultPromoChoice = promoSweep;
7392 promoSweep = EmptySquare; // terminate sweep
7393 promoDefaultAltered = TRUE;
7394 if(!selectFlag && !sweepSelecting && (x != toX || y != toY)) x = fromX, y = fromY; // and fake up-click on same square if we were still selecting
7397 if(promotionChoice) { // we are waiting for a click to indicate promotion piece
7398 if(clickType == Release) return; // ignore upclick of click-click destination
7399 promotionChoice = FALSE; // only one chance: if click not OK it is interpreted as cancel
7400 if(appData.debugMode) fprintf(debugFP, "promotion click, x=%d, y=%d\n", x, y);
7401 if(gameInfo.holdingsWidth &&
7402 (WhiteOnMove(currentMove)
7403 ? x == BOARD_WIDTH-1 && y < gameInfo.holdingsSize && y >= 0
7404 : x == 0 && y >= BOARD_HEIGHT - gameInfo.holdingsSize && y < BOARD_HEIGHT) ) {
7405 // click in right holdings, for determining promotion piece
7406 ChessSquare p = boards[currentMove][y][x];
7407 if(appData.debugMode) fprintf(debugFP, "square contains %d\n", (int)p);
7408 if(p == WhitePawn || p == BlackPawn) p = EmptySquare; // [HGM] Pawns could be valid as deferral
7409 if(p != EmptySquare || gameInfo.variant == VariantGrand && toY != 0 && toY != BOARD_HEIGHT-1) { // [HGM] grand: empty square means defer
7410 FinishMove(NormalMove, fromX, fromY, toX, toY, p==EmptySquare ? NULLCHAR : ToLower(PieceToChar(p)));
7415 DrawPosition(FALSE, boards[currentMove]);
7419 /* [HGM] holdings: next 5 lines: ignore all clicks between board and holdings */
7420 if(clickType == Press
7421 && ( x == BOARD_LEFT-1 || x == BOARD_RGHT
7422 || x == BOARD_LEFT-2 && y < BOARD_HEIGHT-gameInfo.holdingsSize
7423 || x == BOARD_RGHT+1 && y >= gameInfo.holdingsSize) )
7426 if(gotPremove && x == premoveFromX && y == premoveFromY && clickType == Release) {
7427 // could be static click on premove from-square: abort premove
7429 ClearPremoveHighlights();
7432 if(clickType == Press && fromX == x && fromY == y && promoDefaultAltered && SubtractTimeMarks(&lastClickTime, &prevClickTime) >= 200)
7433 fromX = fromY = -1; // second click on piece after altering default promo piece treated as first click
7435 if(!promoDefaultAltered) { // determine default promotion piece, based on the side the user is moving for
7436 int side = (gameMode == IcsPlayingWhite || gameMode == MachinePlaysBlack ||
7437 gameMode != MachinePlaysWhite && gameMode != IcsPlayingBlack && WhiteOnMove(currentMove));
7438 defaultPromoChoice = DefaultPromoChoice(side);
7441 autoQueen = appData.alwaysPromoteToQueen;
7445 gatingPiece = EmptySquare;
7446 if (clickType != Press) {
7447 if(dragging) { // [HGM] from-square must have been reset due to game end since last press
7448 DragPieceEnd(xPix, yPix); dragging = 0;
7449 DrawPosition(FALSE, NULL);
7453 doubleClick = FALSE;
7454 if(gameMode == AnalyzeMode && (pausing || controlKey) && first.excludeMoves) { // use pause state to exclude moves
7455 doubleClick = TRUE; gatingPiece = boards[currentMove][y][x];
7457 fromX = x; fromY = y; toX = toY = killX = killY = -1;
7458 if(!appData.oneClick || !OnlyMove(&x, &y, FALSE) ||
7459 // even if only move, we treat as normal when this would trigger a promotion popup, to allow sweep selection
7460 appData.sweepSelect && CanPromote(boards[currentMove][fromY][fromX], fromY) && originalY != y) {
7462 if (OKToStartUserMove(fromX, fromY)) {
7464 ReportClick("lift", x, y);
7465 MarkTargetSquares(0);
7466 if(gameMode == EditPosition && controlKey) gatingPiece = boards[currentMove][fromY][fromX];
7467 DragPieceBegin(xPix, yPix, FALSE); dragging = 1;
7468 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][fromY][fromX], fromY)) {
7469 promoSweep = defaultPromoChoice;
7470 selectFlag = 0; lastX = xPix; lastY = yPix;
7471 Sweep(0); // Pawn that is going to promote: preview promotion piece
7472 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7474 if (appData.highlightDragging) {
7475 SetHighlights(fromX, fromY, -1, -1);
7479 } else fromX = fromY = -1;
7485 if (clickType == Press && gameMode != EditPosition) {
7490 // ignore off-board to clicks
7491 if(y < 0 || x < 0) return;
7493 /* Check if clicking again on the same color piece */
7494 fromP = boards[currentMove][fromY][fromX];
7495 toP = boards[currentMove][y][x];
7496 frc = appData.fischerCastling || gameInfo.variant == VariantSChess;
7497 if( (killX < 0 || x != fromX || y != fromY) && // [HGM] lion: do not interpret igui as deselect!
7498 ((WhitePawn <= fromP && fromP <= WhiteKing &&
7499 WhitePawn <= toP && toP <= WhiteKing &&
7500 !(fromP == WhiteKing && toP == WhiteRook && frc) &&
7501 !(fromP == WhiteRook && toP == WhiteKing && frc)) ||
7502 (BlackPawn <= fromP && fromP <= BlackKing &&
7503 BlackPawn <= toP && toP <= BlackKing &&
7504 !(fromP == BlackRook && toP == BlackKing && frc) && // allow also RxK as FRC castling
7505 !(fromP == BlackKing && toP == BlackRook && frc)))) {
7506 /* Clicked again on same color piece -- changed his mind */
7507 second = (x == fromX && y == fromY);
7509 if(second && gameMode == AnalyzeMode && SubtractTimeMarks(&lastClickTime, &prevClickTime) < 200) {
7510 second = FALSE; // first double-click rather than scond click
7511 doubleClick = first.excludeMoves; // used by UserMoveEvent to recognize exclude moves
7513 promoDefaultAltered = FALSE;
7514 MarkTargetSquares(1);
7515 if(!(second && appData.oneClick && OnlyMove(&x, &y, TRUE))) {
7516 if (appData.highlightDragging) {
7517 SetHighlights(x, y, -1, -1);
7521 if (OKToStartUserMove(x, y)) {
7522 if(gameInfo.variant == VariantSChess && // S-Chess: back-rank piece selected after holdings means gating
7523 (fromX == BOARD_LEFT-2 || fromX == BOARD_RGHT+1) &&
7524 y == (toP < BlackPawn ? 0 : BOARD_HEIGHT-1))
7525 gatingPiece = boards[currentMove][fromY][fromX];
7526 else gatingPiece = doubleClick ? fromP : EmptySquare;
7528 fromY = y; dragging = 1;
7529 ReportClick("lift", x, y);
7530 MarkTargetSquares(0);
7531 DragPieceBegin(xPix, yPix, FALSE);
7532 if(appData.sweepSelect && CanPromote(piece = boards[currentMove][y][x], y)) {
7533 promoSweep = defaultPromoChoice;
7534 selectFlag = 0; lastX = xPix; lastY = yPix;
7535 Sweep(0); // Pawn that is going to promote: preview promotion piece
7539 if(x == fromX && y == fromY) return; // if OnlyMove altered (x,y) we go on
7542 // ignore clicks on holdings
7543 if(x < BOARD_LEFT || x >= BOARD_RGHT) return;
7546 if (clickType == Release && x == fromX && y == fromY && killX < 0) {
7547 DragPieceEnd(xPix, yPix); dragging = 0;
7549 // a deferred attempt to click-click move an empty square on top of a piece
7550 boards[currentMove][y][x] = EmptySquare;
7552 DrawPosition(FALSE, boards[currentMove]);
7553 fromX = fromY = -1; clearFlag = 0;
7556 if (appData.animateDragging) {
7557 /* Undo animation damage if any */
7558 DrawPosition(FALSE, NULL);
7560 if (second || sweepSelecting) {
7561 /* Second up/down in same square; just abort move */
7562 if(sweepSelecting) DrawPosition(FALSE, boards[currentMove]);
7563 second = sweepSelecting = 0;
7565 gatingPiece = EmptySquare;
7566 MarkTargetSquares(1);
7569 ClearPremoveHighlights();
7571 /* First upclick in same square; start click-click mode */
7572 SetHighlights(x, y, -1, -1);
7579 if(gameMode != EditPosition && !appData.testLegality && !legal[y][x] &&
7580 fromX >= BOARD_LEFT && fromX < BOARD_RGHT && (x != killX || y != killY) && !sweepSelecting) {
7581 if(dragging) DragPieceEnd(xPix, yPix), dragging = 0;
7582 DisplayMessage(_("only marked squares are legal"),"");
7583 DrawPosition(TRUE, NULL);
7584 return; // ignore to-click
7587 /* we now have a different from- and (possibly off-board) to-square */
7588 /* Completed move */
7589 if(!sweepSelecting) {
7594 piece = boards[currentMove][fromY][fromX];
7596 saveAnimate = appData.animate;
7597 if (clickType == Press) {
7598 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7599 if(gameMode == EditPosition && boards[currentMove][fromY][fromX] == EmptySquare) {
7600 // must be Edit Position mode with empty-square selected
7601 fromX = x; fromY = y; DragPieceBegin(xPix, yPix, FALSE); dragging = 1; // consider this a new attempt to drag
7602 if(x >= BOARD_LEFT && x < BOARD_RGHT) clearFlag = 1; // and defer click-click move of empty-square to up-click
7605 if(dragging == 2) { // [HGM] lion: just turn buttonless drag into normal drag, and let release to the job
7608 if(x == killX && y == killY) { // second click on this square, which was selected as first-leg target
7609 killX = killY = -1; // this informs us no second leg is coming, so treat as to-click without intermediate
7611 if(marker[y][x] == 5) return; // [HGM] lion: to-click on cyan square; defer action to release
7612 if(legal[y][x] == 2 || HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, FALSE)) {
7613 if(appData.sweepSelect) {
7614 promoSweep = defaultPromoChoice;
7615 if(gameInfo.variant != VariantChuChess && PieceToChar(CHUPROMOTED piece) == '+') promoSweep = CHUPROMOTED piece;
7616 selectFlag = 0; lastX = xPix; lastY = yPix;
7617 Sweep(0); // Pawn that is going to promote: preview promotion piece
7619 DisplayMessage("", _("Pull pawn backwards to under-promote"));
7620 MarkTargetSquares(1);
7622 return; // promo popup appears on up-click
7624 /* Finish clickclick move */
7625 if (appData.animate || appData.highlightLastMove) {
7626 SetHighlights(fromX, fromY, toX, toY);
7630 } else if(sweepSelecting) { // this must be the up-click corresponding to the down-click that started the sweep
7631 sweepSelecting = 0; appData.animate = FALSE; // do not animate, a selected piece already on to-square
7632 if (appData.animate || appData.highlightLastMove) {
7633 SetHighlights(fromX, fromY, toX, toY);
7639 // [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
7640 /* Finish drag move */
7641 if (appData.highlightLastMove) {
7642 SetHighlights(fromX, fromY, toX, toY);
7647 if(gameInfo.variant == VariantChuChess && piece != WhitePawn && piece != BlackPawn) defaultPromoChoice = piece;
7648 if(marker[y][x] == 5) { // [HGM] lion: this was the release of a to-click or drag on a cyan square
7649 dragging *= 2; // flag button-less dragging if we are dragging
7650 MarkTargetSquares(1);
7651 if(x == killX && y == killY) killX = killY = -1; else {
7652 killX = x; killY = y; //remeber this square as intermediate
7653 ReportClick("put", x, y); // and inform engine
7654 ReportClick("lift", x, y);
7655 MarkTargetSquares(0);
7659 DragPieceEnd(xPix, yPix); dragging = 0;
7660 /* Don't animate move and drag both */
7661 appData.animate = FALSE;
7664 // moves into holding are invalid for now (except in EditPosition, adapting to-square)
7665 if(x >= 0 && x < BOARD_LEFT || x >= BOARD_RGHT) {
7666 ChessSquare piece = boards[currentMove][fromY][fromX];
7667 if(gameMode == EditPosition && piece != EmptySquare &&
7668 fromX >= BOARD_LEFT && fromX < BOARD_RGHT) {
7671 if(x == BOARD_LEFT-2 && piece >= BlackPawn) {
7672 n = PieceToNumber(piece - (int)BlackPawn);
7673 if(n >= gameInfo.holdingsSize) { n = 0; piece = BlackPawn; }
7674 boards[currentMove][BOARD_HEIGHT-1 - n][0] = piece;
7675 boards[currentMove][BOARD_HEIGHT-1 - n][1]++;
7677 if(x == BOARD_RGHT+1 && piece < BlackPawn) {
7678 n = PieceToNumber(piece);
7679 if(n >= gameInfo.holdingsSize) { n = 0; piece = WhitePawn; }
7680 boards[currentMove][n][BOARD_WIDTH-1] = piece;
7681 boards[currentMove][n][BOARD_WIDTH-2]++;
7683 boards[currentMove][fromY][fromX] = EmptySquare;
7687 MarkTargetSquares(1);
7688 DrawPosition(TRUE, boards[currentMove]);
7692 // off-board moves should not be highlighted
7693 if(x < 0 || y < 0) ClearHighlights();
7694 else ReportClick("put", x, y);
7696 if(gatingPiece != EmptySquare && gameInfo.variant == VariantSChess) promoChoice = ToLower(PieceToChar(gatingPiece));
7698 if (HasPromotionChoice(fromX, fromY, toX, toY, &promoChoice, appData.sweepSelect)) {
7699 SetHighlights(fromX, fromY, toX, toY);
7700 MarkTargetSquares(1);
7701 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
7702 // [HGM] super: promotion to captured piece selected from holdings
7703 ChessSquare p = boards[currentMove][fromY][fromX], q = boards[currentMove][toY][toX];
7704 promotionChoice = TRUE;
7705 // kludge follows to temporarily execute move on display, without promoting yet
7706 boards[currentMove][fromY][fromX] = EmptySquare; // move Pawn to 8th rank
7707 boards[currentMove][toY][toX] = p;
7708 DrawPosition(FALSE, boards[currentMove]);
7709 boards[currentMove][fromY][fromX] = p; // take back, but display stays
7710 boards[currentMove][toY][toX] = q;
7711 DisplayMessage("Click in holdings to choose piece", "");
7714 PromotionPopUp(promoChoice);
7716 int oldMove = currentMove;
7717 UserMoveEvent(fromX, fromY, toX, toY, promoChoice);
7718 if (!appData.highlightLastMove || gotPremove) ClearHighlights();
7719 if (gotPremove) SetPremoveHighlights(fromX, fromY, toX, toY);
7720 if(saveAnimate && !appData.animate && currentMove != oldMove && // drag-move was performed
7721 Explode(boards[currentMove-1], fromX, fromY, toX, toY))
7722 DrawPosition(TRUE, boards[currentMove]);
7723 MarkTargetSquares(1);
7726 appData.animate = saveAnimate;
7727 if (appData.animate || appData.animateDragging) {
7728 /* Undo animation damage if needed */
7729 DrawPosition(FALSE, NULL);
7734 RightClick (ClickType action, int x, int y, int *fromX, int *fromY)
7735 { // front-end-free part taken out of PieceMenuPopup
7736 int whichMenu; int xSqr, ySqr;
7738 if(seekGraphUp) { // [HGM] seekgraph
7739 if(action == Press) SeekGraphClick(Press, x, y, 2); // 2 indicates right-click: no pop-down on miss
7740 if(action == Release) SeekGraphClick(Release, x, y, 2); // and no challenge on hit
7744 if((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack)
7745 && !appData.zippyPlay && appData.bgObserve) { // [HGM] bughouse: show background game
7746 if(!partnerBoardValid) return -2; // suppress display of uninitialized boards
7747 if( appData.dualBoard) return -2; // [HGM] dual: is already displayed
7748 if(action == Press) {
7749 originalFlip = flipView;
7750 flipView = !flipView; // temporarily flip board to see game from partners perspective
7751 DrawPosition(TRUE, partnerBoard);
7752 DisplayMessage(partnerStatus, "");
7754 } else if(action == Release) {
7755 flipView = originalFlip;
7756 DrawPosition(TRUE, boards[currentMove]);
7762 xSqr = EventToSquare(x, BOARD_WIDTH);
7763 ySqr = EventToSquare(y, BOARD_HEIGHT);
7764 if (action == Release) {
7765 if(pieceSweep != EmptySquare) {
7766 EditPositionMenuEvent(pieceSweep, toX, toY);
7767 pieceSweep = EmptySquare;
7768 } else UnLoadPV(); // [HGM] pv
7770 if (action != Press) return -2; // return code to be ignored
7773 if(xSqr < BOARD_LEFT || xSqr >= BOARD_RGHT) return -1;
7775 if (xSqr == BOARD_LEFT-1 || xSqr == BOARD_RGHT) return -1;
7776 if (xSqr < 0 || ySqr < 0) return -1;
7777 if(appData.pieceMenu) { whichMenu = 0; break; } // edit-position menu
7778 pieceSweep = shiftKey ? BlackPawn : WhitePawn; // [HGM] sweep: prepare selecting piece by mouse sweep
7779 toX = xSqr; toY = ySqr; lastX = x, lastY = y;
7780 if(flipView) toX = BOARD_WIDTH - 1 - toX; else toY = BOARD_HEIGHT - 1 - toY;
7784 if(!appData.icsEngineAnalyze) return -1;
7785 case IcsPlayingWhite:
7786 case IcsPlayingBlack:
7787 if(!appData.zippyPlay) goto noZip;
7790 case MachinePlaysWhite:
7791 case MachinePlaysBlack:
7792 case TwoMachinesPlay: // [HGM] pv: use for showing PV
7793 if (!appData.dropMenu) {
7795 return 2; // flag front-end to grab mouse events
7797 if(gameMode == TwoMachinesPlay || gameMode == AnalyzeMode ||
7798 gameMode == AnalyzeFile || gameMode == IcsObserving) return -1;
7801 if (xSqr < 0 || ySqr < 0) return -1;
7802 if (!appData.dropMenu || appData.testLegality &&
7803 gameInfo.variant != VariantBughouse &&
7804 gameInfo.variant != VariantCrazyhouse) return -1;
7805 whichMenu = 1; // drop menu
7811 if (((*fromX = xSqr) < 0) ||
7812 ((*fromY = ySqr) < 0)) {
7813 *fromX = *fromY = -1;
7817 *fromX = BOARD_WIDTH - 1 - *fromX;
7819 *fromY = BOARD_HEIGHT - 1 - *fromY;
7825 SendProgramStatsToFrontend (ChessProgramState * cps, ChessProgramStats * cpstats)
7827 // char * hint = lastHint;
7828 FrontEndProgramStats stats;
7830 stats.which = cps == &first ? 0 : 1;
7831 stats.depth = cpstats->depth;
7832 stats.nodes = cpstats->nodes;
7833 stats.score = cpstats->score;
7834 stats.time = cpstats->time;
7835 stats.pv = cpstats->movelist;
7836 stats.hint = lastHint;
7837 stats.an_move_index = 0;
7838 stats.an_move_count = 0;
7840 if( gameMode == AnalyzeMode || gameMode == AnalyzeFile ) {
7841 stats.hint = cpstats->move_name;
7842 stats.an_move_index = cpstats->nr_moves - cpstats->moves_left;
7843 stats.an_move_count = cpstats->nr_moves;
7846 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
7848 SetProgramStats( &stats );
7852 ClearEngineOutputPane (int which)
7854 static FrontEndProgramStats dummyStats;
7855 dummyStats.which = which;
7856 dummyStats.pv = "#";
7857 SetProgramStats( &dummyStats );
7860 #define MAXPLAYERS 500
7863 TourneyStandings (int display)
7865 int i, w, b, color, wScore, bScore, dummy, nr=0, nPlayers=0;
7866 int score[MAXPLAYERS], ranking[MAXPLAYERS], points[MAXPLAYERS], games[MAXPLAYERS];
7867 char result, *p, *names[MAXPLAYERS];
7869 if(appData.tourneyType < 0 && !strchr(appData.results, '*'))
7870 return strdup(_("Swiss tourney finished")); // standings of Swiss yet TODO
7871 names[0] = p = strdup(appData.participants);
7872 while(p = strchr(p, '\n')) *p++ = NULLCHAR, names[++nPlayers] = p; // count participants
7874 for(i=0; i<nPlayers; i++) score[i] = games[i] = 0;
7876 while(result = appData.results[nr]) {
7877 color = Pairing(nr, nPlayers, &w, &b, &dummy);
7878 if(!(color ^ matchGame & 1)) { dummy = w; w = b; b = dummy; }
7879 wScore = bScore = 0;
7881 case '+': wScore = 2; break;
7882 case '-': bScore = 2; break;
7883 case '=': wScore = bScore = 1; break;
7885 case '*': return strdup("busy"); // tourney not finished
7893 if(appData.tourneyType > 0) nPlayers = appData.tourneyType; // in gauntlet, list only gauntlet engine(s)
7894 for(w=0; w<nPlayers; w++) {
7896 for(i=0; i<nPlayers; i++) if(score[i] > bScore) bScore = score[i], b = i;
7897 ranking[w] = b; points[w] = bScore; score[b] = -2;
7899 p = malloc(nPlayers*34+1);
7900 for(w=0; w<nPlayers && w<display; w++)
7901 sprintf(p+34*w, "%2d. %5.1f/%-3d %-19.19s\n", w+1, points[w]/2., games[ranking[w]], names[ranking[w]]);
7907 Count (Board board, int pCnt[], int *nW, int *nB, int *wStale, int *bStale, int *bishopColor)
7908 { // count all piece types
7910 *nB = *nW = *wStale = *bStale = *bishopColor = 0;
7911 for(p=WhitePawn; p<=EmptySquare; p++) pCnt[p] = 0;
7912 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
7915 if(p == WhitePawn && r == BOARD_HEIGHT-1) (*wStale)++; else
7916 if(p == BlackPawn && r == 0) (*bStale)++; // count last-Rank Pawns (XQ) separately
7917 if(p <= WhiteKing) (*nW)++; else if(p <= BlackKing) (*nB)++;
7918 if(p == WhiteBishop || p == WhiteFerz || p == WhiteAlfil ||
7919 p == BlackBishop || p == BlackFerz || p == BlackAlfil )
7920 *bishopColor |= 1 << ((f^r)&1); // track square color of color-bound pieces
7925 SufficientDefence (int pCnt[], int side, int nMine, int nHis)
7927 int myPawns = pCnt[WhitePawn+side]; // my total Pawn count;
7928 int majorDefense = pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackKnight-side];
7930 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side]; // discount defenders
7931 if(nMine - myPawns > 2) return FALSE; // no trivial draws with more than 1 major
7932 if(myPawns == 2 && nMine == 3) // KPP
7933 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 3;
7934 if(myPawns == 1 && nMine == 2) // KP
7935 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7936 if(myPawns == 1 && nMine == 3 && pCnt[WhiteKnight+side]) // KHP
7937 return majorDefense || pCnt[BlackFerz-side] + pCnt[BlackAlfil-side]*2 >= 5;
7938 if(myPawns) return FALSE;
7939 if(pCnt[WhiteRook+side])
7940 return pCnt[BlackRook-side] ||
7941 pCnt[BlackCannon-side] && (pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] >= 2) ||
7942 pCnt[BlackKnight-side] && pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] > 2 ||
7943 pCnt[BlackFerz-side] + pCnt[BlackAlfil-side] >= 4;
7944 if(pCnt[WhiteCannon+side]) {
7945 if(pCnt[WhiteFerz+side] + myPawns == 0) return TRUE; // Cannon needs platform
7946 return majorDefense || pCnt[BlackAlfil-side] >= 2;
7948 if(pCnt[WhiteKnight+side])
7949 return majorDefense || pCnt[BlackFerz-side] >= 2 || pCnt[BlackAlfil-side] + pCnt[BlackPawn-side] >= 1;
7954 MatingPotential (int pCnt[], int side, int nMine, int nHis, int stale, int bisColor)
7956 VariantClass v = gameInfo.variant;
7958 if(v == VariantShogi || v == VariantCrazyhouse || v == VariantBughouse) return TRUE; // drop games always winnable
7959 if(v == VariantShatranj) return TRUE; // always winnable through baring
7960 if(v == VariantLosers || v == VariantSuicide || v == VariantGiveaway) return TRUE;
7961 if(v == Variant3Check || v == VariantAtomic) return nMine > 1; // can win through checking / exploding King
7963 if(v == VariantXiangqi) {
7964 int majors = 5*pCnt[BlackKnight-side] + 7*pCnt[BlackCannon-side] + 7*pCnt[BlackRook-side];
7966 nMine -= pCnt[WhiteFerz+side] + pCnt[WhiteAlfil+side] + stale; // discount defensive pieces and back-rank Pawns
7967 if(nMine + stale == 1) return (pCnt[BlackFerz-side] > 1 && pCnt[BlackKnight-side] > 0); // bare K can stalemate KHAA (!)
7968 if(nMine > 2) return TRUE; // if we don't have P, H or R, we must have CC
7969 if(nMine == 2 && pCnt[WhiteCannon+side] == 0) return TRUE; // We have at least one P, H or R
7970 // if we get here, we must have KC... or KP..., possibly with additional A, E or last-rank P
7971 if(stale) // we have at least one last-rank P plus perhaps C
7972 return majors // KPKX
7973 || pCnt[BlackFerz-side] && pCnt[BlackFerz-side] + pCnt[WhiteCannon+side] + stale > 2; // KPKAA, KPPKA and KCPKA
7975 return pCnt[WhiteFerz+side] // KCAK
7976 || pCnt[WhiteAlfil+side] && pCnt[BlackRook-side] + pCnt[BlackCannon-side] + pCnt[BlackFerz-side] // KCEKA, KCEKX (X!=H)
7977 || majors + (12*pCnt[BlackFerz-side] | 6*pCnt[BlackAlfil-side]) > 16; // KCKAA, KCKAX, KCKEEX, KCKEXX (XX!=HH), KCKXXX
7978 // TO DO: cases wih an unpromoted f-Pawn acting as platform for an opponent Cannon
7980 } else if(v == VariantKnightmate) {
7981 if(nMine == 1) return FALSE;
7982 if(nMine == 2 && nHis == 1 && pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side] + pCnt[WhiteKnight+side]) return FALSE; // KBK is only draw
7983 } else if(pCnt[WhiteKing] == 1 && pCnt[BlackKing] == 1) { // other variants with orthodox Kings
7984 int nBishops = pCnt[WhiteBishop+side] + pCnt[WhiteFerz+side];
7986 if(nMine == 1) return FALSE; // bare King
7987 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
7988 nMine += (nBishops > 0) - nBishops; // By now all Bishops (and Ferz) on like-colored squares, so count as one
7989 if(nMine > 2 && nMine != pCnt[WhiteAlfil+side] + 1) return TRUE; // At least two pieces, not all Alfils
7990 // by now we have King + 1 piece (or multiple Bishops on the same color)
7991 if(pCnt[WhiteKnight+side])
7992 return (pCnt[BlackKnight-side] + pCnt[BlackBishop-side] + pCnt[BlackMan-side] +
7993 pCnt[BlackWazir-side] + pCnt[BlackSilver-side] + bisColor // KNKN, KNKB, KNKF, KNKE, KNKW, KNKM, KNKS
7994 || nHis > 3); // be sure to cover suffocation mates in corner (e.g. KNKQCA)
7996 return (pCnt[BlackKnight-side]); // KBKN, KFKN
7997 if(pCnt[WhiteAlfil+side])
7998 return (nHis > 2); // Alfils can in general not reach a corner square, but there might be edge (suffocation) mates
7999 if(pCnt[WhiteWazir+side])
8000 return (pCnt[BlackKnight-side] + pCnt[BlackWazir-side] + pCnt[BlackAlfil-side]); // KWKN, KWKW, KWKE
8007 CompareWithRights (Board b1, Board b2)
8010 if(!CompareBoards(b1, b2)) return FALSE;
8011 if(b1[EP_STATUS] != b2[EP_STATUS]) return FALSE;
8012 /* compare castling rights */
8013 if( b1[CASTLING][2] != b2[CASTLING][2] && (b2[CASTLING][0] != NoRights || b2[CASTLING][1] != NoRights) )
8014 rights++; /* King lost rights, while rook still had them */
8015 if( b1[CASTLING][2] != NoRights ) { /* king has rights */
8016 if( b1[CASTLING][0] != b2[CASTLING][0] || b1[CASTLING][1] != b2[CASTLING][1] )
8017 rights++; /* but at least one rook lost them */
8019 if( b1[CASTLING][5] != b1[CASTLING][5] && (b2[CASTLING][3] != NoRights || b2[CASTLING][4] != NoRights) )
8021 if( b1[CASTLING][5] != NoRights ) {
8022 if( b1[CASTLING][3] != b2[CASTLING][3] || b1[CASTLING][4] != b2[CASTLING][4] )
8029 Adjudicate (ChessProgramState *cps)
8030 { // [HGM] some adjudications useful with buggy engines
8031 // [HGM] adjudicate: made into separate routine, which now can be called after every move
8032 // In any case it determnes if the game is a claimable draw (filling in EP_STATUS).
8033 // Actually ending the game is now based on the additional internal condition canAdjudicate.
8034 // Only when the game is ended, and the opponent is a computer, this opponent gets the move relayed.
8035 int k, drop, count = 0; static int bare = 1;
8036 ChessProgramState *engineOpponent = (gameMode == TwoMachinesPlay ? cps->other : (cps ? NULL : &first));
8037 Boolean canAdjudicate = !appData.icsActive;
8039 // most tests only when we understand the game, i.e. legality-checking on
8040 if( appData.testLegality )
8041 { /* [HGM] Some more adjudications for obstinate engines */
8042 int nrW, nrB, bishopColor, staleW, staleB, nr[EmptySquare+1], i;
8043 static int moveCount = 6;
8045 char *reason = NULL;
8047 /* Count what is on board. */
8048 Count(boards[forwardMostMove], nr, &nrW, &nrB, &staleW, &staleB, &bishopColor);
8050 /* Some material-based adjudications that have to be made before stalemate test */
8051 if(gameInfo.variant == VariantAtomic && nr[WhiteKing] + nr[BlackKing] < 2) {
8052 // [HGM] atomic: stm must have lost his King on previous move, as destroying own K is illegal
8053 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // make claimable as if stm is checkmated
8054 if(canAdjudicate && appData.checkMates) {
8056 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8057 GameEnds( WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins,
8058 "Xboard adjudication: King destroyed", GE_XBOARD );
8063 /* Bare King in Shatranj (loses) or Losers (wins) */
8064 if( nrW == 1 || nrB == 1) {
8065 if( gameInfo.variant == VariantLosers) { // [HGM] losers: bare King wins (stm must have it first)
8066 boards[forwardMostMove][EP_STATUS] = EP_WINS; // mark as win, so it becomes claimable
8067 if(canAdjudicate && appData.checkMates) {
8069 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets to see move
8070 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8071 "Xboard adjudication: Bare king", GE_XBOARD );
8075 if( gameInfo.variant == VariantShatranj && --bare < 0)
8077 boards[forwardMostMove][EP_STATUS] = EP_WINS; // make claimable as win for stm
8078 if(canAdjudicate && appData.checkMates) {
8079 /* but only adjudicate if adjudication enabled */
8081 SendMoveToProgram(forwardMostMove-1, engineOpponent); // make sure opponent gets move
8082 GameEnds( nrW > 1 ? WhiteWins : nrB > 1 ? BlackWins : GameIsDrawn,
8083 "Xboard adjudication: Bare king", GE_XBOARD );
8090 // don't wait for engine to announce game end if we can judge ourselves
8091 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
8093 if(gameInfo.variant == Variant3Check) { // [HGM] 3check: when in check, test if 3rd time
8094 int i, checkCnt = 0; // (should really be done by making nr of checks part of game state)
8095 for(i=forwardMostMove-2; i>=backwardMostMove; i-=2) {
8096 if(MateTest(boards[i], PosFlags(i)) == MT_CHECK)
8099 reason = "Xboard adjudication: 3rd check";
8100 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE;
8111 reason = "Xboard adjudication: Stalemate";
8112 if((signed char)boards[forwardMostMove][EP_STATUS] != EP_CHECKMATE) { // [HGM] don't touch win through baring or K-capt
8113 boards[forwardMostMove][EP_STATUS] = EP_STALEMATE; // default result for stalemate is draw
8114 if(gameInfo.variant == VariantLosers || gameInfo.variant == VariantGiveaway) // [HGM] losers:
8115 boards[forwardMostMove][EP_STATUS] = EP_WINS; // in these variants stalemated is always a win
8116 else if(gameInfo.variant == VariantSuicide) // in suicide it depends
8117 boards[forwardMostMove][EP_STATUS] = nrW == nrB ? EP_STALEMATE :
8118 ((nrW < nrB) != WhiteOnMove(forwardMostMove) ?
8119 EP_CHECKMATE : EP_WINS);
8120 else if(gameInfo.variant == VariantShatranj || gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi)
8121 boards[forwardMostMove][EP_STATUS] = EP_CHECKMATE; // and in these variants being stalemated loses
8125 reason = "Xboard adjudication: Checkmate";
8126 boards[forwardMostMove][EP_STATUS] = (gameInfo.variant == VariantLosers ? EP_WINS : EP_CHECKMATE);
8127 if(gameInfo.variant == VariantShogi) {
8128 if(forwardMostMove > backwardMostMove
8129 && moveList[forwardMostMove-1][1] == '@'
8130 && CharToPiece(ToUpper(moveList[forwardMostMove-1][0])) == WhitePawn) {
8131 reason = "XBoard adjudication: pawn-drop mate";
8132 boards[forwardMostMove][EP_STATUS] = EP_WINS;
8138 switch(i = (signed char)boards[forwardMostMove][EP_STATUS]) {
8140 result = GameIsDrawn; break;
8142 result = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins; break;
8144 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins; break;
8148 if(canAdjudicate && appData.checkMates && result) { // [HGM] mates: adjudicate finished games if requested
8150 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8151 GameEnds( result, reason, GE_XBOARD );
8155 /* Next absolutely insufficient mating material. */
8156 if(!MatingPotential(nr, WhitePawn, nrW, nrB, staleW, bishopColor) &&
8157 !MatingPotential(nr, BlackPawn, nrB, nrW, staleB, bishopColor))
8158 { /* includes KBK, KNK, KK of KBKB with like Bishops */
8160 /* always flag draws, for judging claims */
8161 boards[forwardMostMove][EP_STATUS] = EP_INSUF_DRAW;
8163 if(canAdjudicate && appData.materialDraws) {
8164 /* but only adjudicate them if adjudication enabled */
8165 if(engineOpponent) {
8166 SendToProgram("force\n", engineOpponent); // suppress reply
8167 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see last move */
8169 GameEnds( GameIsDrawn, "Xboard adjudication: Insufficient mating material", GE_XBOARD );
8174 /* Then some trivial draws (only adjudicate, cannot be claimed) */
8175 if(gameInfo.variant == VariantXiangqi ?
8176 SufficientDefence(nr, WhitePawn, nrW, nrB) && SufficientDefence(nr, BlackPawn, nrB, nrW)
8178 ( nr[WhiteRook] == 1 && nr[BlackRook] == 1 /* KRKR */
8179 || nr[WhiteQueen] && nr[BlackQueen]==1 /* KQKQ */
8180 || nr[WhiteKnight]==2 || nr[BlackKnight]==2 /* KNNK */
8181 || nr[WhiteKnight]+nr[WhiteBishop] == 1 && nr[BlackKnight]+nr[BlackBishop] == 1 /* KBKN, KBKB, KNKN */
8183 if(--moveCount < 0 && appData.trivialDraws && canAdjudicate)
8184 { /* if the first 3 moves do not show a tactical win, declare draw */
8185 if(engineOpponent) {
8186 SendToProgram("force\n", engineOpponent); // suppress reply
8187 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8189 GameEnds( GameIsDrawn, "Xboard adjudication: Trivial draw", GE_XBOARD );
8192 } else moveCount = 6;
8195 // Repetition draws and 50-move rule can be applied independently of legality testing
8197 /* Check for rep-draws */
8199 drop = gameInfo.holdingsSize && (gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess
8200 && gameInfo.variant != VariantGreat && gameInfo.variant != VariantGrand);
8201 for(k = forwardMostMove-2;
8202 k>=backwardMostMove && k>=forwardMostMove-100 && (drop ||
8203 (signed char)boards[k][EP_STATUS] < EP_UNKNOWN &&
8204 (signed char)boards[k+2][EP_STATUS] <= EP_NONE && (signed char)boards[k+1][EP_STATUS] <= EP_NONE);
8207 if(CompareBoards(boards[k], boards[forwardMostMove])) {
8208 /* compare castling rights */
8209 if( boards[forwardMostMove][CASTLING][2] != boards[k][CASTLING][2] &&
8210 (boards[k][CASTLING][0] != NoRights || boards[k][CASTLING][1] != NoRights) )
8211 rights++; /* King lost rights, while rook still had them */
8212 if( boards[forwardMostMove][CASTLING][2] != NoRights ) { /* king has rights */
8213 if( boards[forwardMostMove][CASTLING][0] != boards[k][CASTLING][0] ||
8214 boards[forwardMostMove][CASTLING][1] != boards[k][CASTLING][1] )
8215 rights++; /* but at least one rook lost them */
8217 if( boards[forwardMostMove][CASTLING][5] != boards[k][CASTLING][5] &&
8218 (boards[k][CASTLING][3] != NoRights || boards[k][CASTLING][4] != NoRights) )
8220 if( boards[forwardMostMove][CASTLING][5] != NoRights ) {
8221 if( boards[forwardMostMove][CASTLING][3] != boards[k][CASTLING][3] ||
8222 boards[forwardMostMove][CASTLING][4] != boards[k][CASTLING][4] )
8225 if( rights == 0 && ++count > appData.drawRepeats-2 && canAdjudicate
8226 && appData.drawRepeats > 1) {
8227 /* adjudicate after user-specified nr of repeats */
8228 int result = GameIsDrawn;
8229 char *details = "XBoard adjudication: repetition draw";
8230 if((gameInfo.variant == VariantXiangqi || gameInfo.variant == VariantShogi) && appData.testLegality) {
8231 // [HGM] xiangqi: check for forbidden perpetuals
8232 int m, ourPerpetual = 1, hisPerpetual = 1;
8233 for(m=forwardMostMove; m>k; m-=2) {
8234 if(MateTest(boards[m], PosFlags(m)) != MT_CHECK)
8235 ourPerpetual = 0; // the current mover did not always check
8236 if(MateTest(boards[m-1], PosFlags(m-1)) != MT_CHECK)
8237 hisPerpetual = 0; // the opponent did not always check
8239 if(appData.debugMode) fprintf(debugFP, "XQ perpetual test, our=%d, his=%d\n",
8240 ourPerpetual, hisPerpetual);
8241 if(ourPerpetual && !hisPerpetual) { // we are actively checking him: forfeit
8242 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8243 details = "Xboard adjudication: perpetual checking";
8245 if(hisPerpetual && !ourPerpetual) { // he is checking us, but did not repeat yet
8246 break; // (or we would have caught him before). Abort repetition-checking loop.
8248 if(gameInfo.variant == VariantShogi) { // in Shogi other repetitions are draws
8249 if(BOARD_HEIGHT == 5 && BOARD_RGHT - BOARD_LEFT == 5) { // but in mini-Shogi gote wins!
8251 details = "Xboard adjudication: repetition";
8253 } else // it must be XQ
8254 // Now check for perpetual chases
8255 if(!ourPerpetual && !hisPerpetual) { // no perpetual check, test for chase
8256 hisPerpetual = PerpetualChase(k, forwardMostMove);
8257 ourPerpetual = PerpetualChase(k+1, forwardMostMove);
8258 if(ourPerpetual && !hisPerpetual) { // we are actively chasing him: forfeit
8259 static char resdet[MSG_SIZ];
8260 result = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
8262 snprintf(resdet, MSG_SIZ, "Xboard adjudication: perpetual chasing of %c%c", ourPerpetual>>8, ourPerpetual&255);
8264 if(hisPerpetual && !ourPerpetual) // he is chasing us, but did not repeat yet
8265 break; // Abort repetition-checking loop.
8267 // if neither of us is checking or chasing all the time, or both are, it is draw
8269 if(engineOpponent) {
8270 SendToProgram("force\n", engineOpponent); // suppress reply
8271 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8273 GameEnds( result, details, GE_XBOARD );
8276 if( rights == 0 && count > 1 ) /* occurred 2 or more times before */
8277 boards[forwardMostMove][EP_STATUS] = EP_REP_DRAW;
8281 /* Now we test for 50-move draws. Determine ply count */
8282 count = forwardMostMove;
8283 /* look for last irreversble move */
8284 while( (signed char)boards[count][EP_STATUS] <= EP_NONE && count > backwardMostMove )
8286 /* if we hit starting position, add initial plies */
8287 if( count == backwardMostMove )
8288 count -= initialRulePlies;
8289 count = forwardMostMove - count;
8290 if(gameInfo.variant == VariantXiangqi && ( count >= 100 || count >= 2*appData.ruleMoves ) ) {
8291 // adjust reversible move counter for checks in Xiangqi
8292 int i = forwardMostMove - count, inCheck = 0, lastCheck;
8293 if(i < backwardMostMove) i = backwardMostMove;
8294 while(i <= forwardMostMove) {
8295 lastCheck = inCheck; // check evasion does not count
8296 inCheck = (MateTest(boards[i], PosFlags(i)) == MT_CHECK);
8297 if(inCheck || lastCheck) count--; // check does not count
8302 boards[forwardMostMove][EP_STATUS] = EP_RULE_DRAW;
8303 /* this is used to judge if draw claims are legal */
8304 if(canAdjudicate && appData.ruleMoves > 0 && count >= 2*appData.ruleMoves) {
8305 if(engineOpponent) {
8306 SendToProgram("force\n", engineOpponent); // suppress reply
8307 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8309 GameEnds( GameIsDrawn, "Xboard adjudication: 50-move rule", GE_XBOARD );
8313 /* if draw offer is pending, treat it as a draw claim
8314 * when draw condition present, to allow engines a way to
8315 * claim draws before making their move to avoid a race
8316 * condition occurring after their move
8318 if((gameMode == TwoMachinesPlay ? second.offeredDraw : userOfferedDraw) || first.offeredDraw ) {
8320 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_RULE_DRAW)
8321 p = "Draw claim: 50-move rule";
8322 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_REP_DRAW)
8323 p = "Draw claim: 3-fold repetition";
8324 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_INSUF_DRAW)
8325 p = "Draw claim: insufficient mating material";
8326 if( p != NULL && canAdjudicate) {
8327 if(engineOpponent) {
8328 SendToProgram("force\n", engineOpponent); // suppress reply
8329 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8331 GameEnds( GameIsDrawn, p, GE_XBOARD );
8336 if( canAdjudicate && appData.adjudicateDrawMoves > 0 && forwardMostMove > (2*appData.adjudicateDrawMoves) ) {
8337 if(engineOpponent) {
8338 SendToProgram("force\n", engineOpponent); // suppress reply
8339 SendMoveToProgram(forwardMostMove-1, engineOpponent); /* make sure opponent gets to see move */
8341 GameEnds( GameIsDrawn, "Xboard adjudication: long game", GE_XBOARD );
8347 typedef int (CDECL *PPROBE_EGBB) (int player, int *piece, int *square);
8348 typedef int (CDECL *PLOAD_EGBB) (char *path, int cache_size, int load_options);
8349 static int egbbCode[] = { 6, 5, 4, 3, 2, 1 };
8354 int pieces[10], squares[10], cnt=0, r, f, res;
8356 static PPROBE_EGBB probeBB;
8357 if(!appData.testLegality) return 10;
8358 if(BOARD_HEIGHT != 8 || BOARD_RGHT-BOARD_LEFT != 8) return 12;
8359 if(gameInfo.holdingsSize && gameInfo.variant != VariantSuper && gameInfo.variant != VariantSChess) return 12;
8360 if(loaded == 2 && forwardMostMove < 2) loaded = 0; // retry on new game
8361 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
8362 ChessSquare piece = boards[forwardMostMove][r][f];
8363 int black = (piece >= BlackPawn);
8364 int type = piece - black*BlackPawn;
8365 if(piece == EmptySquare) continue;
8366 if(type != WhiteKing && type > WhiteQueen) return 12; // unorthodox piece
8367 if(type == WhiteKing) type = WhiteQueen + 1;
8368 type = egbbCode[type];
8369 squares[cnt] = r*(BOARD_RGHT - BOARD_LEFT) + f - BOARD_LEFT;
8370 pieces[cnt] = type + black*6;
8371 if(++cnt > 5) return 11;
8373 pieces[cnt] = squares[cnt] = 0;
8375 if(loaded == 2) return 13; // loading failed before
8377 char *p, *path = strstr(appData.egtFormats, "scorpio:"), buf[MSG_SIZ];
8380 loaded = 2; // prepare for failure
8381 if(!path) return 13; // no egbb installed
8382 strncpy(buf, path + 8, MSG_SIZ);
8383 if(p = strchr(buf, ',')) *p = NULLCHAR; else p = buf + strlen(buf);
8384 snprintf(p, MSG_SIZ - strlen(buf), "%c%s", SLASH, EGBB_NAME);
8385 lib = LoadLibrary(buf);
8386 if(!lib) { DisplayError(_("could not load EGBB library"), 0); return 13; }
8387 loadBB = (PLOAD_EGBB) GetProcAddress(lib, "load_egbb_xmen");
8388 probeBB = (PPROBE_EGBB) GetProcAddress(lib, "probe_egbb_xmen");
8389 if(!loadBB || !probeBB) { DisplayError(_("wrong EGBB version"), 0); return 13; }
8390 p[1] = NULLCHAR; loadBB(buf, 64*1028, 2); // 2 = SMART_LOAD
8391 loaded = 1; // success!
8393 res = probeBB(forwardMostMove & 1, pieces, squares);
8394 return res > 0 ? 1 : res < 0 ? -1 : 0;
8398 SendMoveToBookUser (int moveNr, ChessProgramState *cps, int initial)
8399 { // [HGM] book: this routine intercepts moves to simulate book replies
8400 char *bookHit = NULL;
8402 if(cps->drawDepth && BitbaseProbe() == 0) { // [HG} egbb: reduce depth in drawn position
8404 snprintf(buf, MSG_SIZ, "sd %d\n", cps->drawDepth);
8405 SendToProgram(buf, cps);
8407 //first determine if the incoming move brings opponent into his book
8408 if(appData.usePolyglotBook && (cps == &first ? !appData.firstHasOwnBookUCI : !appData.secondHasOwnBookUCI))
8409 bookHit = ProbeBook(moveNr+1, appData.polyglotBook); // returns move
8410 if(appData.debugMode) fprintf(debugFP, "book hit = %s\n", bookHit ? bookHit : "(NULL)");
8411 if(bookHit != NULL && !cps->bookSuspend) {
8412 // make sure opponent is not going to reply after receiving move to book position
8413 SendToProgram("force\n", cps);
8414 cps->bookSuspend = TRUE; // flag indicating it has to be restarted
8416 if(bookHit) setboardSpoiledMachineBlack = FALSE; // suppress 'go' in SendMoveToProgram
8417 if(!initial) SendMoveToProgram(moveNr, cps); // with hit on initial position there is no move
8418 // now arrange restart after book miss
8420 // after a book hit we never send 'go', and the code after the call to this routine
8421 // has '&& !bookHit' added to suppress potential sending there (based on 'firstMove').
8422 char buf[MSG_SIZ], *move = bookHit;
8424 int fromX, fromY, toX, toY;
8428 if (ParseOneMove(bookHit, forwardMostMove, &moveType,
8429 &fromX, &fromY, &toX, &toY, &promoChar)) {
8430 (void) CoordsToAlgebraic(boards[forwardMostMove],
8431 PosFlags(forwardMostMove),
8432 fromY, fromX, toY, toX, promoChar, move);
8434 if(appData.debugMode) fprintf(debugFP, "Book move could not be parsed\n");
8438 snprintf(buf, MSG_SIZ, "%s%s\n", (cps->useUsermove ? "usermove " : ""), move); // force book move into program supposed to play it
8439 SendToProgram(buf, cps);
8440 if(!initial) firstMove = FALSE; // normally we would clear the firstMove condition after return & sending 'go'
8441 } else if(initial) { // 'go' was needed irrespective of firstMove, and it has to be done in this routine
8442 SendToProgram("go\n", cps);
8443 cps->bookSuspend = FALSE; // after a 'go' we are never suspended
8444 } else { // 'go' might be sent based on 'firstMove' after this routine returns
8445 if(cps->bookSuspend && !firstMove) // 'go' needed, and it will not be done after we return
8446 SendToProgram("go\n", cps);
8447 cps->bookSuspend = FALSE; // anyhow, we will not be suspended after a miss
8449 return bookHit; // notify caller of hit, so it can take action to send move to opponent
8453 LoadError (char *errmess, ChessProgramState *cps)
8454 { // unloads engine and switches back to -ncp mode if it was first
8455 if(cps->initDone) return FALSE;
8456 cps->isr = NULL; // this should suppress further error popups from breaking pipes
8457 DestroyChildProcess(cps->pr, 9 ); // just to be sure
8460 appData.noChessProgram = TRUE;
8461 gameMode = MachinePlaysBlack; ModeHighlight(); // kludge to unmark Machine Black menu
8462 gameMode = BeginningOfGame; ModeHighlight();
8465 if(GetDelayedEvent()) CancelDelayedEvent(), ThawUI(); // [HGM] cancel remaining loading effort scheduled after feature timeout
8466 DisplayMessage("", ""); // erase waiting message
8467 if(errmess) DisplayError(errmess, 0); // announce reason, if given
8472 ChessProgramState *savedState;
8474 DeferredBookMove (void)
8476 if(savedState->lastPing != savedState->lastPong)
8477 ScheduleDelayedEvent(DeferredBookMove, 10);
8479 HandleMachineMove(savedMessage, savedState);
8482 static int savedWhitePlayer, savedBlackPlayer, pairingReceived;
8483 static ChessProgramState *stalledEngine;
8484 static char stashedInputMove[MSG_SIZ];
8487 HandleMachineMove (char *message, ChessProgramState *cps)
8489 static char firstLeg[20];
8490 char machineMove[MSG_SIZ], buf1[MSG_SIZ*10], buf2[MSG_SIZ];
8491 char realname[MSG_SIZ];
8492 int fromX, fromY, toX, toY;
8494 char promoChar, roar;
8496 int machineWhite, oldError;
8499 if(cps == &pairing && sscanf(message, "%d-%d", &savedWhitePlayer, &savedBlackPlayer) == 2) {
8500 // [HGM] pairing: Mega-hack! Pairing engine also uses this routine (so it could give other WB commands).
8501 if(savedWhitePlayer == 0 || savedBlackPlayer == 0) {
8502 DisplayError(_("Invalid pairing from pairing engine"), 0);
8505 pairingReceived = 1;
8507 return; // Skim the pairing messages here.
8510 oldError = cps->userError; cps->userError = 0;
8512 FakeBookMove: // [HGM] book: we jump here to simulate machine moves after book hit
8514 * Kludge to ignore BEL characters
8516 while (*message == '\007') message++;
8519 * [HGM] engine debug message: ignore lines starting with '#' character
8521 if(cps->debug && *message == '#') return;
8524 * Look for book output
8526 if (cps == &first && bookRequested) {
8527 if (message[0] == '\t' || message[0] == ' ') {
8528 /* Part of the book output is here; append it */
8529 strcat(bookOutput, message);
8530 strcat(bookOutput, " \n");
8532 } else if (bookOutput[0] != NULLCHAR) {
8533 /* All of book output has arrived; display it */
8534 char *p = bookOutput;
8535 while (*p != NULLCHAR) {
8536 if (*p == '\t') *p = ' ';
8539 DisplayInformation(bookOutput);
8540 bookRequested = FALSE;
8541 /* Fall through to parse the current output */
8546 * Look for machine move.
8548 if ((sscanf(message, "%s %s %s", buf1, buf2, machineMove) == 3 && strcmp(buf2, "...") == 0) ||
8549 (sscanf(message, "%s %s", buf1, machineMove) == 2 && strcmp(buf1, "move") == 0))
8551 if(pausing && !cps->pause) { // for pausing engine that does not support 'pause', we stash its move for processing when we resume.
8552 if(appData.debugMode) fprintf(debugFP, "pause %s engine after move\n", cps->which);
8553 safeStrCpy(stashedInputMove, message, MSG_SIZ);
8554 stalledEngine = cps;
8555 if(appData.ponderNextMove) { // bring opponent out of ponder
8556 if(gameMode == TwoMachinesPlay) {
8557 if(cps->other->pause)
8558 PauseEngine(cps->other);
8560 SendToProgram("easy\n", cps->other);
8567 /* This method is only useful on engines that support ping */
8568 if (cps->lastPing != cps->lastPong) {
8569 if (gameMode == BeginningOfGame) {
8570 /* Extra move from before last new; ignore */
8571 if (appData.debugMode) {
8572 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8575 if (appData.debugMode) {
8576 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8577 cps->which, gameMode);
8580 SendToProgram("undo\n", cps);
8586 case BeginningOfGame:
8587 /* Extra move from before last reset; ignore */
8588 if (appData.debugMode) {
8589 fprintf(debugFP, "Ignoring extra move from %s\n", cps->which);
8596 /* Extra move after we tried to stop. The mode test is
8597 not a reliable way of detecting this problem, but it's
8598 the best we can do on engines that don't support ping.
8600 if (appData.debugMode) {
8601 fprintf(debugFP, "Undoing extra move from %s, gameMode %d\n",
8602 cps->which, gameMode);
8604 SendToProgram("undo\n", cps);
8607 case MachinePlaysWhite:
8608 case IcsPlayingWhite:
8609 machineWhite = TRUE;
8612 case MachinePlaysBlack:
8613 case IcsPlayingBlack:
8614 machineWhite = FALSE;
8617 case TwoMachinesPlay:
8618 machineWhite = (cps->twoMachinesColor[0] == 'w');
8621 if (WhiteOnMove(forwardMostMove) != machineWhite) {
8622 if (appData.debugMode) {
8624 "Ignoring move out of turn by %s, gameMode %d"
8625 ", forwardMost %d\n",
8626 cps->which, gameMode, forwardMostMove);
8631 if(cps->alphaRank) AlphaRank(machineMove, 4);
8633 // [HGM] lion: (some very limited) support for Alien protocol
8635 if(machineMove[strlen(machineMove)-1] == ',') { // move ends in coma: non-final leg of composite move
8636 safeStrCpy(firstLeg, machineMove, 20); // just remember it for processing when second leg arrives
8638 } else if(firstLeg[0]) { // there was a previous leg;
8639 // only support case where same piece makes two step (and don't even test that!)
8640 char buf[20], *p = machineMove+1, *q = buf+1, f;
8641 safeStrCpy(buf, machineMove, 20);
8642 while(isdigit(*q)) q++; // find start of to-square
8643 safeStrCpy(machineMove, firstLeg, 20);
8644 while(isdigit(*p)) p++;
8645 safeStrCpy(p, q, 20); // glue to-square of second leg to from-square of first, to process over-all move
8646 sscanf(buf, "%c%d", &f, &killY); killX = f - AAA; killY -= ONE - '0'; // pass intermediate square to MakeMove in global
8647 firstLeg[0] = NULLCHAR;
8650 if (!ParseOneMove(machineMove, forwardMostMove, &moveType,
8651 &fromX, &fromY, &toX, &toY, &promoChar)) {
8652 /* Machine move could not be parsed; ignore it. */
8653 snprintf(buf1, MSG_SIZ*10, _("Illegal move \"%s\" from %s machine"),
8654 machineMove, _(cps->which));
8655 DisplayMoveError(buf1);
8656 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to invalid move: %s (%c%c%c%c via %c%c) res=%d",
8657 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, killX+AAA, killY+ONE, moveType);
8658 if (gameMode == TwoMachinesPlay) {
8659 GameEnds(machineWhite ? BlackWins : WhiteWins,
8665 /* [HGM] Apparently legal, but so far only tested with EP_UNKOWN */
8666 /* So we have to redo legality test with true e.p. status here, */
8667 /* to make sure an illegal e.p. capture does not slip through, */
8668 /* to cause a forfeit on a justified illegal-move complaint */
8669 /* of the opponent. */
8670 if( gameMode==TwoMachinesPlay && appData.testLegality ) {
8672 moveType = LegalityTest(boards[forwardMostMove], PosFlags(forwardMostMove),
8673 fromY, fromX, toY, toX, promoChar);
8674 if(moveType == IllegalMove) {
8675 snprintf(buf1, MSG_SIZ*10, "Xboard: Forfeit due to illegal move: %s (%c%c%c%c)%c",
8676 machineMove, fromX+AAA, fromY+ONE, toX+AAA, toY+ONE, 0);
8677 GameEnds(machineWhite ? BlackWins : WhiteWins,
8680 } else if(!appData.fischerCastling)
8681 /* [HGM] Kludge to handle engines that send FRC-style castling
8682 when they shouldn't (like TSCP-Gothic) */
8684 case WhiteASideCastleFR:
8685 case BlackASideCastleFR:
8687 currentMoveString[2]++;
8689 case WhiteHSideCastleFR:
8690 case BlackHSideCastleFR:
8692 currentMoveString[2]--;
8694 default: ; // nothing to do, but suppresses warning of pedantic compilers
8697 hintRequested = FALSE;
8698 lastHint[0] = NULLCHAR;
8699 bookRequested = FALSE;
8700 /* Program may be pondering now */
8701 cps->maybeThinking = TRUE;
8702 if (cps->sendTime == 2) cps->sendTime = 1;
8703 if (cps->offeredDraw) cps->offeredDraw--;
8705 /* [AS] Save move info*/
8706 pvInfoList[ forwardMostMove ].score = programStats.score;
8707 pvInfoList[ forwardMostMove ].depth = programStats.depth;
8708 pvInfoList[ forwardMostMove ].time = programStats.time; // [HGM] PGNtime: take time from engine stats
8710 MakeMove(fromX, fromY, toX, toY, promoChar);/*updates forwardMostMove*/
8712 /* Test suites abort the 'game' after one move */
8713 if(*appData.finger) {
8715 char *fen = PositionToFEN(backwardMostMove, NULL, 0); // no counts in EPD
8716 if(!f) f = fopen(appData.finger, "w");
8717 if(f) fprintf(f, "%s bm %s;\n", fen, parseList[backwardMostMove]), fflush(f);
8718 else { DisplayFatalError("Bad output file", errno, 0); return; }
8720 GameEnds(GameUnfinished, NULL, GE_XBOARD);
8723 /* [AS] Adjudicate game if needed (note: remember that forwardMostMove now points past the last move) */
8724 if( gameMode == TwoMachinesPlay && appData.adjudicateLossThreshold != 0 && forwardMostMove >= adjudicateLossPlies ) {
8727 while( count < adjudicateLossPlies ) {
8728 int score = pvInfoList[ forwardMostMove - count - 1 ].score;
8731 score = -score; /* Flip score for winning side */
8734 if( score > appData.adjudicateLossThreshold ) {
8741 if( count >= adjudicateLossPlies ) {
8742 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8744 GameEnds( WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins,
8745 "Xboard adjudication",
8752 if(Adjudicate(cps)) {
8753 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8754 return; // [HGM] adjudicate: for all automatic game ends
8758 if ((gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack) &&
8760 if(cps->offeredDraw && (signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
8761 SendToICS(ics_prefix); // [HGM] drawclaim: send caim and move on one line for FICS
8763 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8765 SendMoveToICS(moveType, fromX, fromY, toX, toY, promoChar);
8767 if(appData.autoKibitz && !appData.icsEngineAnalyze ) { /* [HGM] kibitz: send most-recent PV info to ICS */
8768 char buf[3*MSG_SIZ];
8770 snprintf(buf, 3*MSG_SIZ, "kibitz !!! %+.2f/%d (%.2f sec, %u nodes, %.0f knps) PV=%s\n",
8771 programStats.score / 100.,
8773 programStats.time / 100.,
8774 (unsigned int)programStats.nodes,
8775 (unsigned int)programStats.nodes / (10*abs(programStats.time) + 1.),
8776 programStats.movelist);
8782 /* [AS] Clear stats for next move */
8783 ClearProgramStats();
8784 thinkOutput[0] = NULLCHAR;
8785 hiddenThinkOutputState = 0;
8788 if (gameMode == TwoMachinesPlay) {
8789 /* [HGM] relaying draw offers moved to after reception of move */
8790 /* and interpreting offer as claim if it brings draw condition */
8791 if (cps->offeredDraw == 1 && cps->other->sendDrawOffers) {
8792 SendToProgram("draw\n", cps->other);
8794 if (cps->other->sendTime) {
8795 SendTimeRemaining(cps->other,
8796 cps->other->twoMachinesColor[0] == 'w');
8798 bookHit = SendMoveToBookUser(forwardMostMove-1, cps->other, FALSE);
8799 if (firstMove && !bookHit) {
8801 if (cps->other->useColors) {
8802 SendToProgram(cps->other->twoMachinesColor, cps->other);
8804 SendToProgram("go\n", cps->other);
8806 cps->other->maybeThinking = TRUE;
8809 roar = (killX >= 0 && IS_LION(boards[forwardMostMove][toY][toX]));
8811 ShowMove(fromX, fromY, toX, toY); /*updates currentMove*/
8813 if (!pausing && appData.ringBellAfterMoves) {
8814 if(!roar) RingBell();
8818 * Reenable menu items that were disabled while
8819 * machine was thinking
8821 if (gameMode != TwoMachinesPlay)
8822 SetUserThinkingEnables();
8824 // [HGM] book: after book hit opponent has received move and is now in force mode
8825 // force the book reply into it, and then fake that it outputted this move by jumping
8826 // back to the beginning of HandleMachineMove, with cps toggled and message set to this move
8828 static char bookMove[MSG_SIZ]; // a bit generous?
8830 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
8831 strcat(bookMove, bookHit);
8834 programStats.nodes = programStats.depth = programStats.time =
8835 programStats.score = programStats.got_only_move = 0;
8836 sprintf(programStats.movelist, "%s (xbook)", bookHit);
8838 if(cps->lastPing != cps->lastPong) {
8839 savedMessage = message; // args for deferred call
8841 ScheduleDelayedEvent(DeferredBookMove, 10);
8850 /* Set special modes for chess engines. Later something general
8851 * could be added here; for now there is just one kludge feature,
8852 * needed because Crafty 15.10 and earlier don't ignore SIGINT
8853 * when "xboard" is given as an interactive command.
8855 if (strncmp(message, "kibitz Hello from Crafty", 24) == 0) {
8856 cps->useSigint = FALSE;
8857 cps->useSigterm = FALSE;
8859 if (strncmp(message, "feature ", 8) == 0) { // [HGM] moved forward to pre-empt non-compliant commands
8860 ParseFeatures(message+8, cps);
8861 return; // [HGM] This return was missing, causing option features to be recognized as non-compliant commands!
8864 if (!strncmp(message, "setup ", 6) &&
8865 (!appData.testLegality || gameInfo.variant == VariantFairy || gameInfo.variant == VariantUnknown ||
8866 NonStandardBoardSize(gameInfo.variant, gameInfo.boardWidth, gameInfo.boardHeight, gameInfo.holdingsSize))
8867 ) { // [HGM] allow first engine to define opening position
8868 int dummy, w, h, hand, s=6; char buf[MSG_SIZ], varName[MSG_SIZ];
8869 if(appData.icsActive || forwardMostMove != 0 || cps != &first) return;
8871 if(sscanf(message, "setup (%s", buf) == 1) {
8872 s = 8 + strlen(buf), buf[s-9] = NULLCHAR, SetCharTable(pieceToChar, buf);
8873 ASSIGN(appData.pieceToCharTable, buf);
8875 if(startedFromSetupPosition) return;
8876 dummy = sscanf(message+s, "%dx%d+%d_%s", &w, &h, &hand, varName);
8878 while(message[s] && message[s++] != ' ');
8879 if(BOARD_HEIGHT != h || BOARD_WIDTH != w + 4*(hand != 0) || gameInfo.holdingsSize != hand ||
8880 dummy == 4 && gameInfo.variant != StringToVariant(varName) ) { // engine wants to change board format or variant
8881 appData.NrFiles = w; appData.NrRanks = h; appData.holdingsSize = hand;
8882 if(dummy == 4) gameInfo.variant = StringToVariant(varName); // parent variant
8883 InitPosition(1); // calls InitDrawingSizes to let new parameters take effect
8884 if(*buf) SetCharTable(pieceToChar, buf); // do again, for it was spoiled by InitPosition
8887 ParseFEN(boards[0], &dummy, message+s, FALSE);
8888 DrawPosition(TRUE, boards[0]);
8889 startedFromSetupPosition = TRUE;
8892 if(sscanf(message, "piece %s %s", buf2, buf1) == 2) {
8893 ChessSquare piece = WhitePawn;
8895 if(cps != &first || appData.testLegality) return;
8896 if(*p == '+') piece = CHUPROMOTED WhitePawn, p++;
8897 piece += CharToPiece(*p) - WhitePawn;
8898 if(piece < EmptySquare) {
8900 ASSIGN(pieceDesc[piece], buf1);
8901 if(isupper(*p) && p[1] == '&') { ASSIGN(pieceDesc[WHITE_TO_BLACK piece], buf1); }
8905 /* [HGM] Allow engine to set up a position. Don't ask me why one would
8906 * want this, I was asked to put it in, and obliged.
8908 if (!strncmp(message, "setboard ", 9)) {
8909 Board initial_position;
8911 GameEnds(GameUnfinished, "Engine aborts game", GE_XBOARD);
8913 if (!ParseFEN(initial_position, &blackPlaysFirst, message + 9, FALSE)) {
8914 DisplayError(_("Bad FEN received from engine"), 0);
8918 CopyBoard(boards[0], initial_position);
8919 initialRulePlies = FENrulePlies;
8920 if(blackPlaysFirst) gameMode = MachinePlaysWhite;
8921 else gameMode = MachinePlaysBlack;
8922 DrawPosition(FALSE, boards[currentMove]);
8928 * Look for communication commands
8930 if (!strncmp(message, "telluser ", 9)) {
8931 if(message[9] == '\\' && message[10] == '\\')
8932 EscapeExpand(message+9, message+11); // [HGM] esc: allow escape sequences in popup box
8934 DisplayNote(message + 9);
8937 if (!strncmp(message, "tellusererror ", 14)) {
8939 if(message[14] == '\\' && message[15] == '\\')
8940 EscapeExpand(message+14, message+16); // [HGM] esc: allow escape sequences in popup box
8942 DisplayError(message + 14, 0);
8945 if (!strncmp(message, "tellopponent ", 13)) {
8946 if (appData.icsActive) {
8948 snprintf(buf1, sizeof(buf1), "%ssay %s\n", ics_prefix, message + 13);
8952 DisplayNote(message + 13);
8956 if (!strncmp(message, "tellothers ", 11)) {
8957 if (appData.icsActive) {
8959 snprintf(buf1, sizeof(buf1), "%swhisper %s\n", ics_prefix, message + 11);
8962 } else if(appData.autoComment) AppendComment (forwardMostMove, message + 11, 1); // in local mode, add as move comment
8965 if (!strncmp(message, "tellall ", 8)) {
8966 if (appData.icsActive) {
8968 snprintf(buf1, sizeof(buf1), "%skibitz %s\n", ics_prefix, message + 8);
8972 DisplayNote(message + 8);
8976 if (strncmp(message, "warning", 7) == 0) {
8977 /* Undocumented feature, use tellusererror in new code */
8978 DisplayError(message, 0);
8981 if (sscanf(message, "askuser %s %[^\n]", buf1, buf2) == 2) {
8982 safeStrCpy(realname, cps->tidy, sizeof(realname)/sizeof(realname[0]));
8983 strcat(realname, " query");
8984 AskQuestion(realname, buf2, buf1, cps->pr);
8987 /* Commands from the engine directly to ICS. We don't allow these to be
8988 * sent until we are logged on. Crafty kibitzes have been known to
8989 * interfere with the login process.
8992 if (!strncmp(message, "tellics ", 8)) {
8993 SendToICS(message + 8);
8997 if (!strncmp(message, "tellicsnoalias ", 15)) {
8998 SendToICS(ics_prefix);
8999 SendToICS(message + 15);
9003 /* The following are for backward compatibility only */
9004 if (!strncmp(message,"whisper",7) || !strncmp(message,"kibitz",6) ||
9005 !strncmp(message,"draw",4) || !strncmp(message,"tell",3)) {
9006 SendToICS(ics_prefix);
9012 if (sscanf(message, "pong %d", &cps->lastPong) == 1) {
9013 if(initPing == cps->lastPong) {
9014 if(gameInfo.variant == VariantUnknown) {
9015 DisplayError(_("Engine did not send setup for non-standard variant"), 0);
9016 *engineVariant = NULLCHAR; appData.variant = VariantNormal; // back to normal as error recovery?
9017 GameEnds(GameUnfinished, NULL, GE_XBOARD);
9023 if(!strncmp(message, "highlight ", 10)) {
9024 if(appData.testLegality && appData.markers) return;
9025 MarkByFEN(message+10); // [HGM] alien: allow engine to mark board squares
9028 if(!strncmp(message, "click ", 6)) {
9029 char f, c=0; int x, y; // [HGM] alien: allow engine to finish user moves (i.e. engine-driven one-click moving)
9030 if(appData.testLegality || !appData.oneClick) return;
9031 sscanf(message+6, "%c%d%c", &f, &y, &c);
9032 x = f - 'a' + BOARD_LEFT, y -= ONE - '0';
9033 if(flipView) x = BOARD_WIDTH-1 - x; else y = BOARD_HEIGHT-1 - y;
9034 x = x*squareSize + (x+1)*lineGap + squareSize/2;
9035 y = y*squareSize + (y+1)*lineGap + squareSize/2;
9036 f = first.highlight; first.highlight = 0; // kludge to suppress lift/put in response to own clicks
9037 if(lastClickType == Press) // if button still down, fake release on same square, to be ready for next click
9038 LeftClick(Release, lastLeftX, lastLeftY);
9039 controlKey = (c == ',');
9040 LeftClick(Press, x, y);
9041 LeftClick(Release, x, y);
9042 first.highlight = f;
9046 * If the move is illegal, cancel it and redraw the board.
9047 * Also deal with other error cases. Matching is rather loose
9048 * here to accommodate engines written before the spec.
9050 if (strncmp(message + 1, "llegal move", 11) == 0 ||
9051 strncmp(message, "Error", 5) == 0) {
9052 if (StrStr(message, "name") ||
9053 StrStr(message, "rating") || StrStr(message, "?") ||
9054 StrStr(message, "result") || StrStr(message, "board") ||
9055 StrStr(message, "bk") || StrStr(message, "computer") ||
9056 StrStr(message, "variant") || StrStr(message, "hint") ||
9057 StrStr(message, "random") || StrStr(message, "depth") ||
9058 StrStr(message, "accepted")) {
9061 if (StrStr(message, "protover")) {
9062 /* Program is responding to input, so it's apparently done
9063 initializing, and this error message indicates it is
9064 protocol version 1. So we don't need to wait any longer
9065 for it to initialize and send feature commands. */
9066 FeatureDone(cps, 1);
9067 cps->protocolVersion = 1;
9070 cps->maybeThinking = FALSE;
9072 if (StrStr(message, "draw")) {
9073 /* Program doesn't have "draw" command */
9074 cps->sendDrawOffers = 0;
9077 if (cps->sendTime != 1 &&
9078 (StrStr(message, "time") || StrStr(message, "otim"))) {
9079 /* Program apparently doesn't have "time" or "otim" command */
9083 if (StrStr(message, "analyze")) {
9084 cps->analysisSupport = FALSE;
9085 cps->analyzing = FALSE;
9086 // Reset(FALSE, TRUE); // [HGM] this caused discrepancy between display and internal state!
9087 EditGameEvent(); // [HGM] try to preserve loaded game
9088 snprintf(buf2,MSG_SIZ, _("%s does not support analysis"), cps->tidy);
9089 DisplayError(buf2, 0);
9092 if (StrStr(message, "(no matching move)st")) {
9093 /* Special kludge for GNU Chess 4 only */
9094 cps->stKludge = TRUE;
9095 SendTimeControl(cps, movesPerSession, timeControl,
9096 timeIncrement, appData.searchDepth,
9100 if (StrStr(message, "(no matching move)sd")) {
9101 /* Special kludge for GNU Chess 4 only */
9102 cps->sdKludge = TRUE;
9103 SendTimeControl(cps, movesPerSession, timeControl,
9104 timeIncrement, appData.searchDepth,
9108 if (!StrStr(message, "llegal")) {
9111 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9112 gameMode == IcsIdle) return;
9113 if (forwardMostMove <= backwardMostMove) return;
9114 if (pausing) PauseEvent();
9115 if(appData.forceIllegal) {
9116 // [HGM] illegal: machine refused move; force position after move into it
9117 SendToProgram("force\n", cps);
9118 if(!cps->useSetboard) { // hideous kludge on kludge, because SendBoard sucks.
9119 // we have a real problem now, as SendBoard will use the a2a3 kludge
9120 // when black is to move, while there might be nothing on a2 or black
9121 // might already have the move. So send the board as if white has the move.
9122 // But first we must change the stm of the engine, as it refused the last move
9123 SendBoard(cps, 0); // always kludgeless, as white is to move on boards[0]
9124 if(WhiteOnMove(forwardMostMove)) {
9125 SendToProgram("a7a6\n", cps); // for the engine black still had the move
9126 SendBoard(cps, forwardMostMove); // kludgeless board
9128 SendToProgram("a2a3\n", cps); // for the engine white still had the move
9129 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
9130 SendBoard(cps, forwardMostMove+1); // kludgeless board
9132 } else SendBoard(cps, forwardMostMove); // FEN case, also sets stm properly
9133 if(gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
9134 gameMode == TwoMachinesPlay)
9135 SendToProgram("go\n", cps);
9138 if (gameMode == PlayFromGameFile) {
9139 /* Stop reading this game file */
9140 gameMode = EditGame;
9143 /* [HGM] illegal-move claim should forfeit game when Xboard */
9144 /* only passes fully legal moves */
9145 if( appData.testLegality && gameMode == TwoMachinesPlay ) {
9146 GameEnds( cps->twoMachinesColor[0] == 'w' ? BlackWins : WhiteWins,
9147 "False illegal-move claim", GE_XBOARD );
9148 return; // do not take back move we tested as valid
9150 currentMove = forwardMostMove-1;
9151 DisplayMove(currentMove-1); /* before DisplayMoveError */
9152 SwitchClocks(forwardMostMove-1); // [HGM] race
9153 DisplayBothClocks();
9154 snprintf(buf1, 10*MSG_SIZ, _("Illegal move \"%s\" (rejected by %s chess program)"),
9155 parseList[currentMove], _(cps->which));
9156 DisplayMoveError(buf1);
9157 DrawPosition(FALSE, boards[currentMove]);
9159 SetUserThinkingEnables();
9162 if (strncmp(message, "time", 4) == 0 && StrStr(message, "Illegal")) {
9163 /* Program has a broken "time" command that
9164 outputs a string not ending in newline.
9168 if (cps->pseudo) { // [HGM] pseudo-engine, granted unusual powers
9169 if (sscanf(message, "wtime %ld\n", &whiteTimeRemaining) == 1 || // adjust clock times
9170 sscanf(message, "btime %ld\n", &blackTimeRemaining) == 1 ) return;
9174 * If chess program startup fails, exit with an error message.
9175 * Attempts to recover here are futile. [HGM] Well, we try anyway
9177 if ((StrStr(message, "unknown host") != NULL)
9178 || (StrStr(message, "No remote directory") != NULL)
9179 || (StrStr(message, "not found") != NULL)
9180 || (StrStr(message, "No such file") != NULL)
9181 || (StrStr(message, "can't alloc") != NULL)
9182 || (StrStr(message, "Permission denied") != NULL)) {
9184 cps->maybeThinking = FALSE;
9185 snprintf(buf1, sizeof(buf1), _("Failed to start %s chess program %s on %s: %s\n"),
9186 _(cps->which), cps->program, cps->host, message);
9187 RemoveInputSource(cps->isr);
9188 if(appData.icsActive) DisplayFatalError(buf1, 0, 1); else {
9189 if(LoadError(oldError ? NULL : buf1, cps)) return; // error has then been handled by LoadError
9190 if(!oldError) DisplayError(buf1, 0); // if reason neatly announced, suppress general error popup
9196 * Look for hint output
9198 if (sscanf(message, "Hint: %s", buf1) == 1) {
9199 if (cps == &first && hintRequested) {
9200 hintRequested = FALSE;
9201 if (ParseOneMove(buf1, forwardMostMove, &moveType,
9202 &fromX, &fromY, &toX, &toY, &promoChar)) {
9203 (void) CoordsToAlgebraic(boards[forwardMostMove],
9204 PosFlags(forwardMostMove),
9205 fromY, fromX, toY, toX, promoChar, buf1);
9206 snprintf(buf2, sizeof(buf2), _("Hint: %s"), buf1);
9207 DisplayInformation(buf2);
9209 /* Hint move could not be parsed!? */
9210 snprintf(buf2, sizeof(buf2),
9211 _("Illegal hint move \"%s\"\nfrom %s chess program"),
9212 buf1, _(cps->which));
9213 DisplayError(buf2, 0);
9216 safeStrCpy(lastHint, buf1, sizeof(lastHint)/sizeof(lastHint[0]));
9222 * Ignore other messages if game is not in progress
9224 if (gameMode == BeginningOfGame || gameMode == EndOfGame ||
9225 gameMode == IcsIdle || cps->lastPing != cps->lastPong) return;
9228 * look for win, lose, draw, or draw offer
9230 if (strncmp(message, "1-0", 3) == 0) {
9231 char *p, *q, *r = "";
9232 p = strchr(message, '{');
9240 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first)); /* [HGM] pass claimer indication for claim test */
9242 } else if (strncmp(message, "0-1", 3) == 0) {
9243 char *p, *q, *r = "";
9244 p = strchr(message, '{');
9252 /* Kludge for Arasan 4.1 bug */
9253 if (strcmp(r, "Black resigns") == 0) {
9254 GameEnds(WhiteWins, r, GE_ENGINE1 + (cps != &first));
9257 GameEnds(BlackWins, r, GE_ENGINE1 + (cps != &first));
9259 } else if (strncmp(message, "1/2", 3) == 0) {
9260 char *p, *q, *r = "";
9261 p = strchr(message, '{');
9270 GameEnds(GameIsDrawn, r, GE_ENGINE1 + (cps != &first));
9273 } else if (strncmp(message, "White resign", 12) == 0) {
9274 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9276 } else if (strncmp(message, "Black resign", 12) == 0) {
9277 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9279 } else if (strncmp(message, "White matches", 13) == 0 ||
9280 strncmp(message, "Black matches", 13) == 0 ) {
9281 /* [HGM] ignore GNUShogi noises */
9283 } else if (strncmp(message, "White", 5) == 0 &&
9284 message[5] != '(' &&
9285 StrStr(message, "Black") == NULL) {
9286 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9288 } else if (strncmp(message, "Black", 5) == 0 &&
9289 message[5] != '(') {
9290 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9292 } else if (strcmp(message, "resign") == 0 ||
9293 strcmp(message, "computer resigns") == 0) {
9295 case MachinePlaysBlack:
9296 case IcsPlayingBlack:
9297 GameEnds(WhiteWins, "Black resigns", GE_ENGINE);
9299 case MachinePlaysWhite:
9300 case IcsPlayingWhite:
9301 GameEnds(BlackWins, "White resigns", GE_ENGINE);
9303 case TwoMachinesPlay:
9304 if (cps->twoMachinesColor[0] == 'w')
9305 GameEnds(BlackWins, "White resigns", GE_ENGINE1 + (cps != &first));
9307 GameEnds(WhiteWins, "Black resigns", GE_ENGINE1 + (cps != &first));
9314 } else if (strncmp(message, "opponent mates", 14) == 0) {
9316 case MachinePlaysBlack:
9317 case IcsPlayingBlack:
9318 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9320 case MachinePlaysWhite:
9321 case IcsPlayingWhite:
9322 GameEnds(BlackWins, "Black mates", GE_ENGINE);
9324 case TwoMachinesPlay:
9325 if (cps->twoMachinesColor[0] == 'w')
9326 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9328 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9335 } else if (strncmp(message, "computer mates", 14) == 0) {
9337 case MachinePlaysBlack:
9338 case IcsPlayingBlack:
9339 GameEnds(BlackWins, "Black mates", GE_ENGINE1);
9341 case MachinePlaysWhite:
9342 case IcsPlayingWhite:
9343 GameEnds(WhiteWins, "White mates", GE_ENGINE);
9345 case TwoMachinesPlay:
9346 if (cps->twoMachinesColor[0] == 'w')
9347 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9349 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9356 } else if (strncmp(message, "checkmate", 9) == 0) {
9357 if (WhiteOnMove(forwardMostMove)) {
9358 GameEnds(BlackWins, "Black mates", GE_ENGINE1 + (cps != &first));
9360 GameEnds(WhiteWins, "White mates", GE_ENGINE1 + (cps != &first));
9363 } else if (strstr(message, "Draw") != NULL ||
9364 strstr(message, "game is a draw") != NULL) {
9365 GameEnds(GameIsDrawn, "Draw", GE_ENGINE1 + (cps != &first));
9367 } else if (strstr(message, "offer") != NULL &&
9368 strstr(message, "draw") != NULL) {
9370 if (appData.zippyPlay && first.initDone) {
9371 /* Relay offer to ICS */
9372 SendToICS(ics_prefix);
9373 SendToICS("draw\n");
9376 cps->offeredDraw = 2; /* valid until this engine moves twice */
9377 if (gameMode == TwoMachinesPlay) {
9378 if (cps->other->offeredDraw) {
9379 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9380 /* [HGM] in two-machine mode we delay relaying draw offer */
9381 /* until after we also have move, to see if it is really claim */
9383 } else if (gameMode == MachinePlaysWhite ||
9384 gameMode == MachinePlaysBlack) {
9385 if (userOfferedDraw) {
9386 DisplayInformation(_("Machine accepts your draw offer"));
9387 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
9389 DisplayInformation(_("Machine offers a draw.\nSelect Action / Draw to accept."));
9396 * Look for thinking output
9398 if ( appData.showThinking // [HGM] thinking: test all options that cause this output
9399 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
9401 int plylev, mvleft, mvtot, curscore, time;
9402 char mvname[MOVE_LEN];
9406 int prefixHint = FALSE;
9407 mvname[0] = NULLCHAR;
9410 case MachinePlaysBlack:
9411 case IcsPlayingBlack:
9412 if (WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9414 case MachinePlaysWhite:
9415 case IcsPlayingWhite:
9416 if (!WhiteOnMove(forwardMostMove)) prefixHint = TRUE;
9421 case IcsObserving: /* [DM] icsEngineAnalyze */
9422 if (!appData.icsEngineAnalyze) ignore = TRUE;
9424 case TwoMachinesPlay:
9425 if ((cps->twoMachinesColor[0] == 'w') != WhiteOnMove(forwardMostMove)) {
9435 ChessProgramStats tempStats = programStats; // [HGM] info: filter out info lines
9437 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9438 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5) {
9440 if(nodes>>32 == u64Const(0xFFFFFFFF)) // [HGM] negative node count read
9441 nodes += u64Const(0x100000000);
9443 if (plyext != ' ' && plyext != '\t') {
9447 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9448 if( cps->scoreIsAbsolute &&
9449 ( gameMode == MachinePlaysBlack ||
9450 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b' ||
9451 gameMode == IcsPlayingBlack || // [HGM] also add other situations where engine should report black POV
9452 (gameMode == AnalyzeMode || gameMode == AnalyzeFile || gameMode == IcsObserving && appData.icsEngineAnalyze) &&
9453 !WhiteOnMove(currentMove)
9456 curscore = -curscore;
9459 if(appData.pvSAN[cps==&second]) pv = PvToSAN(buf1);
9461 if(serverMoves && (time > 100 || time == 0 && plylev > 7)) {
9464 snprintf(buf, MSG_SIZ, "%s", appData.serverMovesName);
9465 buf[strlen(buf)-1] = gameMode == MachinePlaysWhite ? 'w' :
9466 gameMode == MachinePlaysBlack ? 'b' : cps->twoMachinesColor[0];
9467 if(appData.debugMode) fprintf(debugFP, "write PV on file '%s'\n", buf);
9468 if(f = fopen(buf, "w")) { // export PV to applicable PV file
9469 fprintf(f, "%5.2f/%-2d %s", curscore/100., plylev, pv);
9473 /* TRANSLATORS: PV = principal variation, the variation the chess engine thinks is the best for everyone */
9474 DisplayError(_("failed writing PV"), 0);
9477 tempStats.depth = plylev;
9478 tempStats.nodes = nodes;
9479 tempStats.time = time;
9480 tempStats.score = curscore;
9481 tempStats.got_only_move = 0;
9483 if(cps->nps >= 0) { /* [HGM] nps: use engine nodes or time to decrement clock */
9486 if(cps->nps == 0) ticklen = 10*time; // use engine reported time
9487 else ticklen = (1000. * u64ToDouble(nodes)) / cps->nps; // convert node count to time
9488 if(WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysWhite ||
9489 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'w'))
9490 whiteTimeRemaining = timeRemaining[0][forwardMostMove] - ticklen;
9491 if(!WhiteOnMove(forwardMostMove) && (gameMode == MachinePlaysBlack ||
9492 gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b'))
9493 blackTimeRemaining = timeRemaining[1][forwardMostMove] - ticklen;
9496 /* Buffer overflow protection */
9497 if (pv[0] != NULLCHAR) {
9498 if (strlen(pv) >= sizeof(tempStats.movelist)
9499 && appData.debugMode) {
9501 "PV is too long; using the first %u bytes.\n",
9502 (unsigned) sizeof(tempStats.movelist) - 1);
9505 safeStrCpy( tempStats.movelist, pv, sizeof(tempStats.movelist)/sizeof(tempStats.movelist[0]) );
9507 sprintf(tempStats.movelist, " no PV\n");
9510 if (tempStats.seen_stat) {
9511 tempStats.ok_to_send = 1;
9514 if (strchr(tempStats.movelist, '(') != NULL) {
9515 tempStats.line_is_book = 1;
9516 tempStats.nr_moves = 0;
9517 tempStats.moves_left = 0;
9519 tempStats.line_is_book = 0;
9522 if(tempStats.score != 0 || tempStats.nodes != 0 || tempStats.time != 0)
9523 programStats = tempStats; // [HGM] info: only set stats if genuine PV and not an info line
9525 SendProgramStatsToFrontend( cps, &tempStats );
9528 [AS] Protect the thinkOutput buffer from overflow... this
9529 is only useful if buf1 hasn't overflowed first!
9531 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "[%d]%c%+.2f %s%s",
9533 (gameMode == TwoMachinesPlay ?
9534 ToUpper(cps->twoMachinesColor[0]) : ' '),
9535 ((double) curscore) / 100.0,
9536 prefixHint ? lastHint : "",
9537 prefixHint ? " " : "" );
9539 if( buf1[0] != NULLCHAR ) {
9540 unsigned max_len = sizeof(thinkOutput) - strlen(thinkOutput) - 1;
9542 if( strlen(pv) > max_len ) {
9543 if( appData.debugMode) {
9544 fprintf(debugFP,"PV is too long for thinkOutput, truncating.\n");
9546 pv[max_len+1] = '\0';
9549 strcat( thinkOutput, pv);
9552 if (currentMove == forwardMostMove || gameMode == AnalyzeMode
9553 || gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9554 DisplayMove(currentMove - 1);
9558 } else if ((p=StrStr(message, "(only move)")) != NULL) {
9559 /* crafty (9.25+) says "(only move) <move>"
9560 * if there is only 1 legal move
9562 sscanf(p, "(only move) %s", buf1);
9563 snprintf(thinkOutput, sizeof(thinkOutput)/sizeof(thinkOutput[0]), "%s (only move)", buf1);
9564 sprintf(programStats.movelist, "%s (only move)", buf1);
9565 programStats.depth = 1;
9566 programStats.nr_moves = 1;
9567 programStats.moves_left = 1;
9568 programStats.nodes = 1;
9569 programStats.time = 1;
9570 programStats.got_only_move = 1;
9572 /* Not really, but we also use this member to
9573 mean "line isn't going to change" (Crafty
9574 isn't searching, so stats won't change) */
9575 programStats.line_is_book = 1;
9577 SendProgramStatsToFrontend( cps, &programStats );
9579 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9580 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9581 DisplayMove(currentMove - 1);
9584 } else if (sscanf(message,"stat01: %d " u64Display " %d %d %d %s",
9585 &time, &nodes, &plylev, &mvleft,
9586 &mvtot, mvname) >= 5) {
9587 /* The stat01: line is from Crafty (9.29+) in response
9588 to the "." command */
9589 programStats.seen_stat = 1;
9590 cps->maybeThinking = TRUE;
9592 if (programStats.got_only_move || !appData.periodicUpdates)
9595 programStats.depth = plylev;
9596 programStats.time = time;
9597 programStats.nodes = nodes;
9598 programStats.moves_left = mvleft;
9599 programStats.nr_moves = mvtot;
9600 safeStrCpy(programStats.move_name, mvname, sizeof(programStats.move_name)/sizeof(programStats.move_name[0]));
9601 programStats.ok_to_send = 1;
9602 programStats.movelist[0] = '\0';
9604 SendProgramStatsToFrontend( cps, &programStats );
9608 } else if (strncmp(message,"++",2) == 0) {
9609 /* Crafty 9.29+ outputs this */
9610 programStats.got_fail = 2;
9613 } else if (strncmp(message,"--",2) == 0) {
9614 /* Crafty 9.29+ outputs this */
9615 programStats.got_fail = 1;
9618 } else if (thinkOutput[0] != NULLCHAR &&
9619 strncmp(message, " ", 4) == 0) {
9620 unsigned message_len;
9623 while (*p && *p == ' ') p++;
9625 message_len = strlen( p );
9627 /* [AS] Avoid buffer overflow */
9628 if( sizeof(thinkOutput) - strlen(thinkOutput) - 1 > message_len ) {
9629 strcat(thinkOutput, " ");
9630 strcat(thinkOutput, p);
9633 if( sizeof(programStats.movelist) - strlen(programStats.movelist) - 1 > message_len ) {
9634 strcat(programStats.movelist, " ");
9635 strcat(programStats.movelist, p);
9638 if (currentMove == forwardMostMove || gameMode==AnalyzeMode ||
9639 gameMode == AnalyzeFile || appData.icsEngineAnalyze) {
9640 DisplayMove(currentMove - 1);
9648 if (sscanf(message, "%d%c %d %d " u64Display " %[^\n]\n",
9649 &plylev, &plyext, &curscore, &time, &nodes, buf1) >= 5)
9651 ChessProgramStats cpstats;
9653 if (plyext != ' ' && plyext != '\t') {
9657 /* [AS] Negate score if machine is playing black and reporting absolute scores */
9658 if( cps->scoreIsAbsolute && ((gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b')) ) {
9659 curscore = -curscore;
9662 cpstats.depth = plylev;
9663 cpstats.nodes = nodes;
9664 cpstats.time = time;
9665 cpstats.score = curscore;
9666 cpstats.got_only_move = 0;
9667 cpstats.movelist[0] = '\0';
9669 if (buf1[0] != NULLCHAR) {
9670 safeStrCpy( cpstats.movelist, buf1, sizeof(cpstats.movelist)/sizeof(cpstats.movelist[0]) );
9673 cpstats.ok_to_send = 0;
9674 cpstats.line_is_book = 0;
9675 cpstats.nr_moves = 0;
9676 cpstats.moves_left = 0;
9678 SendProgramStatsToFrontend( cps, &cpstats );
9685 /* Parse a game score from the character string "game", and
9686 record it as the history of the current game. The game
9687 score is NOT assumed to start from the standard position.
9688 The display is not updated in any way.
9691 ParseGameHistory (char *game)
9694 int fromX, fromY, toX, toY, boardIndex;
9699 if (appData.debugMode)
9700 fprintf(debugFP, "Parsing game history: %s\n", game);
9702 if (gameInfo.event == NULL) gameInfo.event = StrSave("ICS game");
9703 gameInfo.site = StrSave(appData.icsHost);
9704 gameInfo.date = PGNDate();
9705 gameInfo.round = StrSave("-");
9707 /* Parse out names of players */
9708 while (*game == ' ') game++;
9710 while (*game != ' ') *p++ = *game++;
9712 gameInfo.white = StrSave(buf);
9713 while (*game == ' ') game++;
9715 while (*game != ' ' && *game != '\n') *p++ = *game++;
9717 gameInfo.black = StrSave(buf);
9720 boardIndex = blackPlaysFirst ? 1 : 0;
9723 yyboardindex = boardIndex;
9724 moveType = (ChessMove) Myylex();
9726 case IllegalMove: /* maybe suicide chess, etc. */
9727 if (appData.debugMode) {
9728 fprintf(debugFP, "Illegal move from ICS: '%s'\n", yy_text);
9729 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9730 setbuf(debugFP, NULL);
9732 case WhitePromotion:
9733 case BlackPromotion:
9734 case WhiteNonPromotion:
9735 case BlackNonPromotion:
9738 case WhiteCapturesEnPassant:
9739 case BlackCapturesEnPassant:
9740 case WhiteKingSideCastle:
9741 case WhiteQueenSideCastle:
9742 case BlackKingSideCastle:
9743 case BlackQueenSideCastle:
9744 case WhiteKingSideCastleWild:
9745 case WhiteQueenSideCastleWild:
9746 case BlackKingSideCastleWild:
9747 case BlackQueenSideCastleWild:
9749 case WhiteHSideCastleFR:
9750 case WhiteASideCastleFR:
9751 case BlackHSideCastleFR:
9752 case BlackASideCastleFR:
9754 fromX = currentMoveString[0] - AAA;
9755 fromY = currentMoveString[1] - ONE;
9756 toX = currentMoveString[2] - AAA;
9757 toY = currentMoveString[3] - ONE;
9758 promoChar = currentMoveString[4];
9762 if(currentMoveString[0] == '@') continue; // no null moves in ICS mode!
9763 fromX = moveType == WhiteDrop ?
9764 (int) CharToPiece(ToUpper(currentMoveString[0])) :
9765 (int) CharToPiece(ToLower(currentMoveString[0]));
9767 toX = currentMoveString[2] - AAA;
9768 toY = currentMoveString[3] - ONE;
9769 promoChar = NULLCHAR;
9773 snprintf(buf, MSG_SIZ, _("Ambiguous move in ICS output: \"%s\""), yy_text);
9774 if (appData.debugMode) {
9775 fprintf(debugFP, "Ambiguous move from ICS: '%s'\n", yy_text);
9776 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9777 setbuf(debugFP, NULL);
9779 DisplayError(buf, 0);
9781 case ImpossibleMove:
9783 snprintf(buf, MSG_SIZ, _("Illegal move in ICS output: \"%s\""), yy_text);
9784 if (appData.debugMode) {
9785 fprintf(debugFP, "Impossible move from ICS: '%s'\n", yy_text);
9786 fprintf(debugFP, "board L=%d, R=%d, H=%d, holdings=%d\n", BOARD_LEFT, BOARD_RGHT, BOARD_HEIGHT, gameInfo.holdingsWidth);
9787 setbuf(debugFP, NULL);
9789 DisplayError(buf, 0);
9792 if (boardIndex < backwardMostMove) {
9793 /* Oops, gap. How did that happen? */
9794 DisplayError(_("Gap in move list"), 0);
9797 backwardMostMove = blackPlaysFirst ? 1 : 0;
9798 if (boardIndex > forwardMostMove) {
9799 forwardMostMove = boardIndex;
9803 if (boardIndex > (blackPlaysFirst ? 1 : 0)) {
9804 strcat(parseList[boardIndex-1], " ");
9805 strcat(parseList[boardIndex-1], yy_text);
9817 case GameUnfinished:
9818 if (gameMode == IcsExamining) {
9819 if (boardIndex < backwardMostMove) {
9820 /* Oops, gap. How did that happen? */
9823 backwardMostMove = blackPlaysFirst ? 1 : 0;
9826 gameInfo.result = moveType;
9827 p = strchr(yy_text, '{');
9828 if (p == NULL) p = strchr(yy_text, '(');
9831 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
9833 q = strchr(p, *p == '{' ? '}' : ')');
9834 if (q != NULL) *q = NULLCHAR;
9837 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
9838 gameInfo.resultDetails = StrSave(p);
9841 if (boardIndex >= forwardMostMove &&
9842 !(gameMode == IcsObserving && ics_gamenum == -1)) {
9843 backwardMostMove = blackPlaysFirst ? 1 : 0;
9846 (void) CoordsToAlgebraic(boards[boardIndex], PosFlags(boardIndex),
9847 fromY, fromX, toY, toX, promoChar,
9848 parseList[boardIndex]);
9849 CopyBoard(boards[boardIndex + 1], boards[boardIndex]);
9850 /* currentMoveString is set as a side-effect of yylex */
9851 safeStrCpy(moveList[boardIndex], currentMoveString, sizeof(moveList[boardIndex])/sizeof(moveList[boardIndex][0]));
9852 strcat(moveList[boardIndex], "\n");
9854 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[boardIndex]);
9855 switch (MateTest(boards[boardIndex], PosFlags(boardIndex)) ) {
9861 if(!IS_SHOGI(gameInfo.variant))
9862 strcat(parseList[boardIndex - 1], "+");
9866 strcat(parseList[boardIndex - 1], "#");
9873 /* Apply a move to the given board */
9875 ApplyMove (int fromX, int fromY, int toX, int toY, int promoChar, Board board)
9877 ChessSquare captured = board[toY][toX], piece, king; int p, oldEP = EP_NONE, berolina = 0;
9878 int promoRank = gameInfo.variant == VariantMakruk || gameInfo.variant == VariantGrand || gameInfo.variant == VariantChuChess ? 3 : 1;
9880 /* [HGM] compute & store e.p. status and castling rights for new position */
9881 /* we can always do that 'in place', now pointers to these rights are passed to ApplyMove */
9883 if(gameInfo.variant == VariantBerolina) berolina = EP_BEROLIN_A;
9884 oldEP = (signed char)board[EP_STATUS];
9885 board[EP_STATUS] = EP_NONE;
9886 board[EP_FILE] = board[EP_RANK] = 100;
9888 if (fromY == DROP_RANK) {
9890 if(fromX == EmptySquare) { // [HGM] pass: empty drop encodes null move; nothing to change.
9891 board[EP_STATUS] = EP_CAPTURE; // null move considered irreversible
9894 piece = board[toY][toX] = (ChessSquare) fromX;
9896 // ChessSquare victim;
9899 if( killX >= 0 && killY >= 0 ) // [HGM] lion: Lion trampled over something
9900 // victim = board[killY][killX],
9901 board[killY][killX] = EmptySquare,
9902 board[EP_STATUS] = EP_CAPTURE;
9904 if( board[toY][toX] != EmptySquare ) {
9905 board[EP_STATUS] = EP_CAPTURE;
9906 if( (fromX != toX || fromY != toY) && // not igui!
9907 (captured == WhiteLion && board[fromY][fromX] != BlackLion ||
9908 captured == BlackLion && board[fromY][fromX] != WhiteLion ) ) { // [HGM] lion: Chu Lion-capture rules
9909 board[EP_STATUS] = EP_IRON_LION; // non-Lion x Lion: no counter-strike allowed
9913 if( board[fromY][fromX] == WhiteLance || board[fromY][fromX] == BlackLance ) {
9914 if( gameInfo.variant != VariantSuper && gameInfo.variant != VariantShogi )
9915 board[EP_STATUS] = EP_PAWN_MOVE; // Lance is Pawn-like in most variants
9917 if( board[fromY][fromX] == WhitePawn ) {
9918 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9919 board[EP_STATUS] = EP_PAWN_MOVE;
9921 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = (fromY + toY)/2;
9922 if(toX>BOARD_LEFT && board[toY][toX-1] == BlackPawn &&
9923 gameInfo.variant != VariantBerolina || toX < fromX)
9924 board[EP_STATUS] = toX | berolina;
9925 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == BlackPawn &&
9926 gameInfo.variant != VariantBerolina || toX > fromX)
9927 board[EP_STATUS] = toX;
9930 if( board[fromY][fromX] == BlackPawn ) {
9931 if(fromY != toY) // [HGM] Xiangqi sideway Pawn moves should not count as 50-move breakers
9932 board[EP_STATUS] = EP_PAWN_MOVE;
9933 if( toY-fromY== -2) {
9934 board[EP_FILE] = (fromX + toX)/2; board[EP_RANK] = (fromY + toY)/2;
9935 if(toX>BOARD_LEFT && board[toY][toX-1] == WhitePawn &&
9936 gameInfo.variant != VariantBerolina || toX < fromX)
9937 board[EP_STATUS] = toX | berolina;
9938 if(toX<BOARD_RGHT-1 && board[toY][toX+1] == WhitePawn &&
9939 gameInfo.variant != VariantBerolina || toX > fromX)
9940 board[EP_STATUS] = toX;
9944 if(fromY == 0) board[TOUCHED_W] |= 1<<fromX; else // new way to keep track of virginity
9945 if(fromY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<fromX;
9946 if(toY == 0) board[TOUCHED_W] |= 1<<toX; else
9947 if(toY == BOARD_HEIGHT-1) board[TOUCHED_B] |= 1<<toX;
9949 for(i=0; i<nrCastlingRights; i++) {
9950 if(board[CASTLING][i] == fromX && castlingRank[i] == fromY ||
9951 board[CASTLING][i] == toX && castlingRank[i] == toY
9952 ) board[CASTLING][i] = NoRights; // revoke for moved or captured piece
9955 if(gameInfo.variant == VariantSChess) { // update virginity
9956 if(fromY == 0) board[VIRGIN][fromX] &= ~VIRGIN_W; // loss by moving
9957 if(fromY == BOARD_HEIGHT-1) board[VIRGIN][fromX] &= ~VIRGIN_B;
9958 if(toY == 0) board[VIRGIN][toX] &= ~VIRGIN_W; // loss by capture
9959 if(toY == BOARD_HEIGHT-1) board[VIRGIN][toX] &= ~VIRGIN_B;
9962 if (fromX == toX && fromY == toY) return;
9964 piece = board[fromY][fromX]; /* [HGM] remember, for Shogi promotion */
9965 king = piece < (int) BlackPawn ? WhiteKing : BlackKing; /* [HGM] Knightmate simplify testing for castling */
9966 if(gameInfo.variant == VariantKnightmate)
9967 king += (int) WhiteUnicorn - (int) WhiteKing;
9969 /* Code added by Tord: */
9970 /* FRC castling assumed when king captures friendly rook. [HGM] or RxK for S-Chess */
9971 if (board[fromY][fromX] == WhiteKing && board[toY][toX] == WhiteRook ||
9972 board[fromY][fromX] == WhiteRook && board[toY][toX] == WhiteKing) {
9973 board[fromY][fromX] = EmptySquare;
9974 board[toY][toX] = EmptySquare;
9975 if((toX > fromX) != (piece == WhiteRook)) {
9976 board[0][BOARD_RGHT-2] = WhiteKing; board[0][BOARD_RGHT-3] = WhiteRook;
9978 board[0][BOARD_LEFT+2] = WhiteKing; board[0][BOARD_LEFT+3] = WhiteRook;
9980 } else if (board[fromY][fromX] == BlackKing && board[toY][toX] == BlackRook ||
9981 board[fromY][fromX] == BlackRook && board[toY][toX] == BlackKing) {
9982 board[fromY][fromX] = EmptySquare;
9983 board[toY][toX] = EmptySquare;
9984 if((toX > fromX) != (piece == BlackRook)) {
9985 board[BOARD_HEIGHT-1][BOARD_RGHT-2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_RGHT-3] = BlackRook;
9987 board[BOARD_HEIGHT-1][BOARD_LEFT+2] = BlackKing; board[BOARD_HEIGHT-1][BOARD_LEFT+3] = BlackRook;
9989 /* End of code added by Tord */
9991 } else if (board[fromY][fromX] == king
9992 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
9993 && toY == fromY && toX > fromX+1) {
9994 board[fromY][fromX] = EmptySquare;
9995 board[toY][toX] = king;
9996 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
9997 board[fromY][BOARD_RGHT-1] = EmptySquare;
9998 } else if (board[fromY][fromX] == king
9999 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10000 && toY == fromY && toX < fromX-1) {
10001 board[fromY][fromX] = EmptySquare;
10002 board[toY][toX] = king;
10003 board[toY][toX+1] = board[fromY][BOARD_LEFT];
10004 board[fromY][BOARD_LEFT] = EmptySquare;
10005 } else if ((board[fromY][fromX] == WhitePawn && gameInfo.variant != VariantXiangqi ||
10006 board[fromY][fromX] == WhiteLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10007 && toY >= BOARD_HEIGHT-promoRank && promoChar // defaulting to Q is done elsewhere
10009 /* white pawn promotion */
10010 board[toY][toX] = CharToPiece(ToUpper(promoChar));
10011 if(board[toY][toX] < WhiteCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10012 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10013 board[fromY][fromX] = EmptySquare;
10014 } else if ((fromY >= BOARD_HEIGHT>>1)
10015 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10017 && gameInfo.variant != VariantXiangqi
10018 && gameInfo.variant != VariantBerolina
10019 && (board[fromY][fromX] == WhitePawn)
10020 && (board[toY][toX] == EmptySquare)) {
10021 board[fromY][fromX] = EmptySquare;
10022 board[toY][toX] = WhitePawn;
10023 captured = board[toY - 1][toX];
10024 board[toY - 1][toX] = EmptySquare;
10025 } else if ((fromY == BOARD_HEIGHT-4)
10027 && gameInfo.variant == VariantBerolina
10028 && (board[fromY][fromX] == WhitePawn)
10029 && (board[toY][toX] == EmptySquare)) {
10030 board[fromY][fromX] = EmptySquare;
10031 board[toY][toX] = WhitePawn;
10032 if(oldEP & EP_BEROLIN_A) {
10033 captured = board[fromY][fromX-1];
10034 board[fromY][fromX-1] = EmptySquare;
10035 }else{ captured = board[fromY][fromX+1];
10036 board[fromY][fromX+1] = EmptySquare;
10038 } else if (board[fromY][fromX] == king
10039 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10040 && toY == fromY && toX > fromX+1) {
10041 board[fromY][fromX] = EmptySquare;
10042 board[toY][toX] = king;
10043 board[toY][toX-1] = board[fromY][BOARD_RGHT-1];
10044 board[fromY][BOARD_RGHT-1] = EmptySquare;
10045 } else if (board[fromY][fromX] == king
10046 && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1 // [HGM] cylinder */
10047 && toY == fromY && toX < fromX-1) {
10048 board[fromY][fromX] = EmptySquare;
10049 board[toY][toX] = king;
10050 board[toY][toX+1] = board[fromY][BOARD_LEFT];
10051 board[fromY][BOARD_LEFT] = EmptySquare;
10052 } else if (fromY == 7 && fromX == 3
10053 && board[fromY][fromX] == BlackKing
10054 && toY == 7 && toX == 5) {
10055 board[fromY][fromX] = EmptySquare;
10056 board[toY][toX] = BlackKing;
10057 board[fromY][7] = EmptySquare;
10058 board[toY][4] = BlackRook;
10059 } else if (fromY == 7 && fromX == 3
10060 && board[fromY][fromX] == BlackKing
10061 && toY == 7 && toX == 1) {
10062 board[fromY][fromX] = EmptySquare;
10063 board[toY][toX] = BlackKing;
10064 board[fromY][0] = EmptySquare;
10065 board[toY][2] = BlackRook;
10066 } else if ((board[fromY][fromX] == BlackPawn && gameInfo.variant != VariantXiangqi ||
10067 board[fromY][fromX] == BlackLance && gameInfo.variant != VariantSuper && gameInfo.variant != VariantChu)
10068 && toY < promoRank && promoChar
10070 /* black pawn promotion */
10071 board[toY][toX] = CharToPiece(ToLower(promoChar));
10072 if(board[toY][toX] < BlackCannon && PieceToChar(PROMOTED board[toY][toX]) == '~') /* [HGM] use shadow piece (if available) */
10073 board[toY][toX] = (ChessSquare) (PROMOTED board[toY][toX]);
10074 board[fromY][fromX] = EmptySquare;
10075 } else if ((fromY < BOARD_HEIGHT>>1)
10076 && (oldEP == toX || oldEP == EP_UNKNOWN || appData.testLegality || abs(toX - fromX) > 4)
10078 && gameInfo.variant != VariantXiangqi
10079 && gameInfo.variant != VariantBerolina
10080 && (board[fromY][fromX] == BlackPawn)
10081 && (board[toY][toX] == EmptySquare)) {
10082 board[fromY][fromX] = EmptySquare;
10083 board[toY][toX] = BlackPawn;
10084 captured = board[toY + 1][toX];
10085 board[toY + 1][toX] = EmptySquare;
10086 } else if ((fromY == 3)
10088 && gameInfo.variant == VariantBerolina
10089 && (board[fromY][fromX] == BlackPawn)
10090 && (board[toY][toX] == EmptySquare)) {
10091 board[fromY][fromX] = EmptySquare;
10092 board[toY][toX] = BlackPawn;
10093 if(oldEP & EP_BEROLIN_A) {
10094 captured = board[fromY][fromX-1];
10095 board[fromY][fromX-1] = EmptySquare;
10096 }else{ captured = board[fromY][fromX+1];
10097 board[fromY][fromX+1] = EmptySquare;
10100 ChessSquare piece = board[fromY][fromX]; // [HGM] lion: allow for igui (where from == to)
10101 board[fromY][fromX] = EmptySquare;
10102 board[toY][toX] = piece;
10106 if (gameInfo.holdingsWidth != 0) {
10108 /* !!A lot more code needs to be written to support holdings */
10109 /* [HGM] OK, so I have written it. Holdings are stored in the */
10110 /* penultimate board files, so they are automaticlly stored */
10111 /* in the game history. */
10112 if (fromY == DROP_RANK || gameInfo.variant == VariantSChess
10113 && promoChar && piece != WhitePawn && piece != BlackPawn) {
10114 /* Delete from holdings, by decreasing count */
10115 /* and erasing image if necessary */
10116 p = fromY == DROP_RANK ? (int) fromX : CharToPiece(piece > BlackPawn ? ToLower(promoChar) : ToUpper(promoChar));
10117 if(p < (int) BlackPawn) { /* white drop */
10118 p -= (int)WhitePawn;
10119 p = PieceToNumber((ChessSquare)p);
10120 if(p >= gameInfo.holdingsSize) p = 0;
10121 if(--board[p][BOARD_WIDTH-2] <= 0)
10122 board[p][BOARD_WIDTH-1] = EmptySquare;
10123 if((int)board[p][BOARD_WIDTH-2] < 0)
10124 board[p][BOARD_WIDTH-2] = 0;
10125 } else { /* black drop */
10126 p -= (int)BlackPawn;
10127 p = PieceToNumber((ChessSquare)p);
10128 if(p >= gameInfo.holdingsSize) p = 0;
10129 if(--board[BOARD_HEIGHT-1-p][1] <= 0)
10130 board[BOARD_HEIGHT-1-p][0] = EmptySquare;
10131 if((int)board[BOARD_HEIGHT-1-p][1] < 0)
10132 board[BOARD_HEIGHT-1-p][1] = 0;
10135 if (captured != EmptySquare && gameInfo.holdingsSize > 0
10136 && gameInfo.variant != VariantBughouse && gameInfo.variant != VariantSChess ) {
10137 /* [HGM] holdings: Add to holdings, if holdings exist */
10138 if(gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) {
10139 // [HGM] superchess: suppress flipping color of captured pieces by reverse pre-flip
10140 captured = (int) captured >= (int) BlackPawn ? BLACK_TO_WHITE captured : WHITE_TO_BLACK captured;
10142 p = (int) captured;
10143 if (p >= (int) BlackPawn) {
10144 p -= (int)BlackPawn;
10145 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10146 /* in Shogi restore piece to its original first */
10147 captured = (ChessSquare) (DEMOTED captured);
10150 p = PieceToNumber((ChessSquare)p);
10151 if(p >= gameInfo.holdingsSize) { p = 0; captured = BlackPawn; }
10152 board[p][BOARD_WIDTH-2]++;
10153 board[p][BOARD_WIDTH-1] = BLACK_TO_WHITE captured;
10155 p -= (int)WhitePawn;
10156 if(gameInfo.variant == VariantShogi && DEMOTED p >= 0) {
10157 captured = (ChessSquare) (DEMOTED captured);
10160 p = PieceToNumber((ChessSquare)p);
10161 if(p >= gameInfo.holdingsSize) { p = 0; captured = WhitePawn; }
10162 board[BOARD_HEIGHT-1-p][1]++;
10163 board[BOARD_HEIGHT-1-p][0] = WHITE_TO_BLACK captured;
10166 } else if (gameInfo.variant == VariantAtomic) {
10167 if (captured != EmptySquare) {
10169 for (y = toY-1; y <= toY+1; y++) {
10170 for (x = toX-1; x <= toX+1; x++) {
10171 if (y >= 0 && y < BOARD_HEIGHT && x >= BOARD_LEFT && x < BOARD_RGHT &&
10172 board[y][x] != WhitePawn && board[y][x] != BlackPawn) {
10173 board[y][x] = EmptySquare;
10177 board[toY][toX] = EmptySquare;
10181 if(gameInfo.variant == VariantSChess && promoChar != NULLCHAR && promoChar != '=' && piece != WhitePawn && piece != BlackPawn) {
10182 board[fromY][fromX] = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar)); // S-Chess gating
10184 if(promoChar == '+') {
10185 /* [HGM] Shogi-style promotions, to piece implied by original (Might overwrite ordinary Pawn promotion) */
10186 board[toY][toX] = (ChessSquare) (CHUPROMOTED piece);
10187 if(gameInfo.variant == VariantChuChess && (piece == WhiteKnight || piece == BlackKnight))
10188 board[toY][toX] = piece + WhiteLion - WhiteKnight; // adjust Knight promotions to Lion
10189 } else if(!appData.testLegality && promoChar != NULLCHAR && promoChar != '=') { // without legality testing, unconditionally believe promoChar
10190 ChessSquare newPiece = CharToPiece(piece < BlackPawn ? ToUpper(promoChar) : ToLower(promoChar));
10191 if((newPiece <= WhiteMan || newPiece >= BlackPawn && newPiece <= BlackMan) // unpromoted piece specified
10192 && pieceToChar[PROMOTED newPiece] == '~') newPiece = PROMOTED newPiece; // but promoted version available
10193 board[toY][toX] = newPiece;
10195 if((gameInfo.variant == VariantSuper || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
10196 && promoChar != NULLCHAR && gameInfo.holdingsSize) {
10197 // [HGM] superchess: take promotion piece out of holdings
10198 int k = PieceToNumber(CharToPiece(ToUpper(promoChar)));
10199 if((int)piece < (int)BlackPawn) { // determine stm from piece color
10200 if(!--board[k][BOARD_WIDTH-2])
10201 board[k][BOARD_WIDTH-1] = EmptySquare;
10203 if(!--board[BOARD_HEIGHT-1-k][1])
10204 board[BOARD_HEIGHT-1-k][0] = EmptySquare;
10209 /* Updates forwardMostMove */
10211 MakeMove (int fromX, int fromY, int toX, int toY, int promoChar)
10213 int x = toX, y = toY;
10214 char *s = parseList[forwardMostMove];
10215 ChessSquare p = boards[forwardMostMove][toY][toX];
10216 // forwardMostMove++; // [HGM] bare: moved downstream
10218 if(killX >= 0 && killY >= 0) x = killX, y = killY; // [HGM] lion: make SAN move to intermediate square, if there is one
10219 (void) CoordsToAlgebraic(boards[forwardMostMove],
10220 PosFlags(forwardMostMove),
10221 fromY, fromX, y, x, promoChar,
10223 if(killX >= 0 && killY >= 0)
10224 sprintf(s + strlen(s), "%c%c%d", p == EmptySquare || toX == fromX && toY == fromY ? '-' : 'x', toX + AAA, toY + ONE - '0');
10226 if(serverMoves != NULL) { /* [HGM] write moves on file for broadcasting (should be separate routine, really) */
10227 int timeLeft; static int lastLoadFlag=0; int king, piece;
10228 piece = boards[forwardMostMove][fromY][fromX];
10229 king = piece < (int) BlackPawn ? WhiteKing : BlackKing;
10230 if(gameInfo.variant == VariantKnightmate)
10231 king += (int) WhiteUnicorn - (int) WhiteKing;
10232 if(forwardMostMove == 0) {
10233 if(gameMode == MachinePlaysBlack || gameMode == BeginningOfGame)
10234 fprintf(serverMoves, "%s;", UserName());
10235 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b')
10236 fprintf(serverMoves, "%s;", second.tidy);
10237 fprintf(serverMoves, "%s;", first.tidy);
10238 if(gameMode == MachinePlaysWhite)
10239 fprintf(serverMoves, "%s;", UserName());
10240 else if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
10241 fprintf(serverMoves, "%s;", second.tidy);
10242 } else fprintf(serverMoves, loadFlag|lastLoadFlag ? ":" : ";");
10243 lastLoadFlag = loadFlag;
10245 fprintf(serverMoves, "%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+toY);
10246 // print castling suffix
10247 if( toY == fromY && piece == king ) {
10249 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_RGHT-1, ONE+fromY, AAA+toX-1,ONE+toY);
10251 fprintf(serverMoves, ":%c%c:%c%c", AAA+BOARD_LEFT, ONE+fromY, AAA+toX+1,ONE+toY);
10254 if( (boards[forwardMostMove][fromY][fromX] == WhitePawn ||
10255 boards[forwardMostMove][fromY][fromX] == BlackPawn ) &&
10256 boards[forwardMostMove][toY][toX] == EmptySquare
10257 && fromX != toX && fromY != toY)
10258 fprintf(serverMoves, ":%c%c:%c%c", AAA+fromX, ONE+fromY, AAA+toX, ONE+fromY);
10259 // promotion suffix
10260 if(promoChar != NULLCHAR) {
10261 if(fromY == 0 || fromY == BOARD_HEIGHT-1)
10262 fprintf(serverMoves, ":%c%c:%c%c", WhiteOnMove(forwardMostMove) ? 'w' : 'b',
10263 ToLower(promoChar), AAA+fromX, ONE+fromY); // Seirawan gating
10264 else fprintf(serverMoves, ":%c:%c%c", ToLower(promoChar), AAA+toX, ONE+toY);
10267 char buf[MOVE_LEN*2], *p; int len;
10268 fprintf(serverMoves, "/%d/%d",
10269 pvInfoList[forwardMostMove].depth, pvInfoList[forwardMostMove].score);
10270 if(forwardMostMove+1 & 1) timeLeft = whiteTimeRemaining/1000;
10271 else timeLeft = blackTimeRemaining/1000;
10272 fprintf(serverMoves, "/%d", timeLeft);
10273 strncpy(buf, parseList[forwardMostMove], MOVE_LEN*2);
10274 if(p = strchr(buf, '/')) *p = NULLCHAR; else
10275 if(p = strchr(buf, '=')) *p = NULLCHAR;
10276 len = strlen(buf); if(len > 1 && buf[len-2] != '-') buf[len-2] = NULLCHAR; // strip to-square
10277 fprintf(serverMoves, "/%s", buf);
10279 fflush(serverMoves);
10282 if (forwardMostMove+1 > framePtr) { // [HGM] vari: do not run into saved variations..
10283 GameEnds(GameUnfinished, _("Game too long; increase MAX_MOVES and recompile"), GE_XBOARD);
10286 UnLoadPV(); // [HGM] pv: if we are looking at a PV, abort this
10287 if (commentList[forwardMostMove+1] != NULL) {
10288 free(commentList[forwardMostMove+1]);
10289 commentList[forwardMostMove+1] = NULL;
10291 CopyBoard(boards[forwardMostMove+1], boards[forwardMostMove]);
10292 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[forwardMostMove+1]);
10293 // forwardMostMove++; // [HGM] bare: moved to after ApplyMove, to make sure clock interrupt finds complete board
10294 SwitchClocks(forwardMostMove+1); // [HGM] race: incrementing move nr inside
10295 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
10296 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
10297 adjustedClock = FALSE;
10298 gameInfo.result = GameUnfinished;
10299 if (gameInfo.resultDetails != NULL) {
10300 free(gameInfo.resultDetails);
10301 gameInfo.resultDetails = NULL;
10303 CoordsToComputerAlgebraic(fromY, fromX, toY, toX, promoChar,
10304 moveList[forwardMostMove - 1]);
10305 switch (MateTest(boards[forwardMostMove], PosFlags(forwardMostMove)) ) {
10311 if(!IS_SHOGI(gameInfo.variant))
10312 strcat(parseList[forwardMostMove - 1], "+");
10316 strcat(parseList[forwardMostMove - 1], "#");
10321 /* Updates currentMove if not pausing */
10323 ShowMove (int fromX, int fromY, int toX, int toY)
10325 int instant = (gameMode == PlayFromGameFile) ?
10326 (matchMode || (appData.timeDelay == 0 && !pausing)) : pausing;
10327 if(appData.noGUI) return;
10328 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10330 if (forwardMostMove == currentMove + 1) {
10331 AnimateMove(boards[forwardMostMove - 1],
10332 fromX, fromY, toX, toY);
10335 currentMove = forwardMostMove;
10338 killX = killY = -1; // [HGM] lion: used up
10340 if (instant) return;
10342 DisplayMove(currentMove - 1);
10343 if (!pausing || gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
10344 if (appData.highlightLastMove) { // [HGM] moved to after DrawPosition, as with arrow it could redraw old board
10345 SetHighlights(fromX, fromY, toX, toY);
10348 DrawPosition(FALSE, boards[currentMove]);
10349 DisplayBothClocks();
10350 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
10354 SendEgtPath (ChessProgramState *cps)
10355 { /* [HGM] EGT: match formats given in feature with those given by user, and send info for each match */
10356 char buf[MSG_SIZ], name[MSG_SIZ], *p;
10358 if((p = cps->egtFormats) == NULL || appData.egtFormats == NULL) return;
10361 char c, *q = name+1, *r, *s;
10363 name[0] = ','; // extract next format name from feature and copy with prefixed ','
10364 while(*p && *p != ',') *q++ = *p++;
10365 *q++ = ':'; *q = 0;
10366 if( appData.defaultPathEGTB && appData.defaultPathEGTB[0] &&
10367 strcmp(name, ",nalimov:") == 0 ) {
10368 // take nalimov path from the menu-changeable option first, if it is defined
10369 snprintf(buf, MSG_SIZ, "egtpath nalimov %s\n", appData.defaultPathEGTB);
10370 SendToProgram(buf,cps); // send egtbpath command for nalimov
10372 if( (s = StrStr(appData.egtFormats, name+1)) == appData.egtFormats ||
10373 (s = StrStr(appData.egtFormats, name)) != NULL) {
10374 // format name occurs amongst user-supplied formats, at beginning or immediately after comma
10375 s = r = StrStr(s, ":") + 1; // beginning of path info
10376 while(*r && *r != ',') r++; // path info is everything upto next ';' or end of string
10377 c = *r; *r = 0; // temporarily null-terminate path info
10378 *--q = 0; // strip of trailig ':' from name
10379 snprintf(buf, MSG_SIZ, "egtpath %s %s\n", name+1, s);
10381 SendToProgram(buf,cps); // send egtbpath command for this format
10383 if(*p == ',') p++; // read away comma to position for next format name
10388 NonStandardBoardSize (VariantClass v, int boardWidth, int boardHeight, int holdingsSize)
10390 int width = 8, height = 8, holdings = 0; // most common sizes
10391 if( v == VariantUnknown || *engineVariant) return 0; // engine-defined name never needs prefix
10392 // correct the deviations default for each variant
10393 if( v == VariantXiangqi ) width = 9, height = 10;
10394 if( v == VariantShogi ) width = 9, height = 9, holdings = 7;
10395 if( v == VariantBughouse || v == VariantCrazyhouse) holdings = 5;
10396 if( v == VariantCapablanca || v == VariantCapaRandom ||
10397 v == VariantGothic || v == VariantFalcon || v == VariantJanus )
10399 if( v == VariantCourier ) width = 12;
10400 if( v == VariantSuper ) holdings = 8;
10401 if( v == VariantGreat ) width = 10, holdings = 8;
10402 if( v == VariantSChess ) holdings = 7;
10403 if( v == VariantGrand ) width = 10, height = 10, holdings = 7;
10404 if( v == VariantChuChess) width = 10, height = 10;
10405 if( v == VariantChu ) width = 12, height = 12;
10406 return boardWidth >= 0 && boardWidth != width || // -1 is default,
10407 boardHeight >= 0 && boardHeight != height || // and thus by definition OK
10408 holdingsSize >= 0 && holdingsSize != holdings;
10411 char variantError[MSG_SIZ];
10414 SupportedVariant (char *list, VariantClass v, int boardWidth, int boardHeight, int holdingsSize, int proto, char *engine)
10415 { // returns error message (recognizable by upper-case) if engine does not support the variant
10416 char *p, *variant = VariantName(v);
10417 static char b[MSG_SIZ];
10418 if(NonStandardBoardSize(v, boardWidth, boardHeight, holdingsSize)) { /* [HGM] make prefix for non-standard board size. */
10419 snprintf(b, MSG_SIZ, "%dx%d+%d_%s", boardWidth, boardHeight,
10420 holdingsSize, variant); // cook up sized variant name
10421 /* [HGM] varsize: try first if this deviant size variant is specifically known */
10422 if(StrStr(list, b) == NULL) {
10423 // specific sized variant not known, check if general sizing allowed
10424 if(proto != 1 && StrStr(list, "boardsize") == NULL) {
10425 snprintf(variantError, MSG_SIZ, "Board size %dx%d+%d not supported by %s",
10426 boardWidth, boardHeight, holdingsSize, engine);
10429 /* [HGM] here we really should compare with the maximum supported board size */
10431 } else snprintf(b, MSG_SIZ,"%s", variant);
10432 if(proto == 1) return b; // for protocol 1 we cannot check and hope for the best
10433 p = StrStr(list, b);
10434 while(p && (p != list && p[-1] != ',' || p[strlen(b)] && p[strlen(b)] != ',') ) p = StrStr(p+1, b);
10436 // occurs not at all in list, or only as sub-string
10437 snprintf(variantError, MSG_SIZ, _("Variant %s not supported by %s"), b, engine);
10438 if(p = StrStr(list, b)) { // handle requesting parent variant when only size-overridden is supported
10439 int l = strlen(variantError);
10441 while(p != list && p[-1] != ',') p--;
10442 q = strchr(p, ',');
10443 if(q) *q = NULLCHAR;
10444 snprintf(variantError + l, MSG_SIZ - l, _(", but %s is"), p);
10453 InitChessProgram (ChessProgramState *cps, int setup)
10454 /* setup needed to setup FRC opening position */
10456 char buf[MSG_SIZ], *b;
10457 if (appData.noChessProgram) return;
10458 hintRequested = FALSE;
10459 bookRequested = FALSE;
10461 ParseFeatures(appData.features[cps == &second], cps); // [HGM] allow user to overrule features
10462 /* [HGM] some new WB protocol commands to configure engine are sent now, if engine supports them */
10463 /* moved to before sending initstring in 4.3.15, so Polyglot can delay UCI 'isready' to recepton of 'new' */
10464 if(cps->memSize) { /* [HGM] memory */
10465 snprintf(buf, MSG_SIZ, "memory %d\n", appData.defaultHashSize + appData.defaultCacheSizeEGTB);
10466 SendToProgram(buf, cps);
10468 SendEgtPath(cps); /* [HGM] EGT */
10469 if(cps->maxCores) { /* [HGM] SMP: (protocol specified must be last settings command before new!) */
10470 snprintf(buf, MSG_SIZ, "cores %d\n", appData.smpCores);
10471 SendToProgram(buf, cps);
10474 setboardSpoiledMachineBlack = FALSE;
10475 SendToProgram(cps->initString, cps);
10476 if (gameInfo.variant != VariantNormal &&
10477 gameInfo.variant != VariantLoadable
10478 /* [HGM] also send variant if board size non-standard */
10479 || gameInfo.boardWidth != 8 || gameInfo.boardHeight != 8 || gameInfo.holdingsSize != 0) {
10481 b = SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
10482 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, cps->tidy);
10484 DisplayFatalError(variantError, 0, 1);
10488 snprintf(buf, MSG_SIZ, "variant %s\n", b);
10489 SendToProgram(buf, cps);
10491 currentlyInitializedVariant = gameInfo.variant;
10493 /* [HGM] send opening position in FRC to first engine */
10495 SendToProgram("force\n", cps);
10497 /* engine is now in force mode! Set flag to wake it up after first move. */
10498 setboardSpoiledMachineBlack = 1;
10501 if (cps->sendICS) {
10502 snprintf(buf, sizeof(buf), "ics %s\n", appData.icsActive ? appData.icsHost : "-");
10503 SendToProgram(buf, cps);
10505 cps->maybeThinking = FALSE;
10506 cps->offeredDraw = 0;
10507 if (!appData.icsActive) {
10508 SendTimeControl(cps, movesPerSession, timeControl,
10509 timeIncrement, appData.searchDepth,
10512 if (appData.showThinking
10513 // [HGM] thinking: four options require thinking output to be sent
10514 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp()
10516 SendToProgram("post\n", cps);
10518 SendToProgram("hard\n", cps);
10519 if (!appData.ponderNextMove) {
10520 /* Warning: "easy" is a toggle in GNU Chess, so don't send
10521 it without being sure what state we are in first. "hard"
10522 is not a toggle, so that one is OK.
10524 SendToProgram("easy\n", cps);
10526 if (cps->usePing) {
10527 snprintf(buf, MSG_SIZ, "ping %d\n", initPing = ++cps->lastPing);
10528 SendToProgram(buf, cps);
10530 cps->initDone = TRUE;
10531 ClearEngineOutputPane(cps == &second);
10536 ResendOptions (ChessProgramState *cps)
10537 { // send the stored value of the options
10540 Option *opt = cps->option;
10541 for(i=0; i<cps->nrOptions; i++, opt++) {
10542 switch(opt->type) {
10546 snprintf(buf, MSG_SIZ, "option %s=%d\n", opt->name, opt->value);
10549 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->choice[opt->value]);
10552 snprintf(buf, MSG_SIZ, "option %s=%s\n", opt->name, opt->textValue);
10558 SendToProgram(buf, cps);
10563 StartChessProgram (ChessProgramState *cps)
10568 if (appData.noChessProgram) return;
10569 cps->initDone = FALSE;
10571 if (strcmp(cps->host, "localhost") == 0) {
10572 err = StartChildProcess(cps->program, cps->dir, &cps->pr);
10573 } else if (*appData.remoteShell == NULLCHAR) {
10574 err = OpenRcmd(cps->host, appData.remoteUser, cps->program, &cps->pr);
10576 if (*appData.remoteUser == NULLCHAR) {
10577 snprintf(buf, sizeof(buf), "%s %s %s", appData.remoteShell, cps->host,
10580 snprintf(buf, sizeof(buf), "%s %s -l %s %s", appData.remoteShell,
10581 cps->host, appData.remoteUser, cps->program);
10583 err = StartChildProcess(buf, "", &cps->pr);
10587 snprintf(buf, MSG_SIZ, _("Startup failure on '%s'"), cps->program);
10588 DisplayError(buf, err); // [HGM] bit of a rough kludge: ignore failure, (which XBoard would do anyway), and let I/O discover it
10589 if(cps != &first) return;
10590 appData.noChessProgram = TRUE;
10593 // DisplayFatalError(buf, err, 1);
10594 // cps->pr = NoProc;
10595 // cps->isr = NULL;
10599 cps->isr = AddInputSource(cps->pr, TRUE, ReceiveFromProgram, cps);
10600 if (cps->protocolVersion > 1) {
10601 snprintf(buf, MSG_SIZ, "xboard\nprotover %d\n", cps->protocolVersion);
10602 if(!cps->reload) { // do not clear options when reloading because of -xreuse
10603 cps->nrOptions = 0; // [HGM] options: clear all engine-specific options
10604 cps->comboCnt = 0; // and values of combo boxes
10606 SendToProgram(buf, cps);
10607 if(cps->reload) ResendOptions(cps);
10609 SendToProgram("xboard\n", cps);
10614 TwoMachinesEventIfReady P((void))
10616 static int curMess = 0;
10617 if (first.lastPing != first.lastPong) {
10618 if(curMess != 1) DisplayMessage("", _("Waiting for first chess program")); curMess = 1;
10619 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10622 if (second.lastPing != second.lastPong) {
10623 if(curMess != 2) DisplayMessage("", _("Waiting for second chess program")); curMess = 2;
10624 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10); // [HGM] fast: lowered from 1000
10627 DisplayMessage("", ""); curMess = 0;
10628 TwoMachinesEvent();
10632 MakeName (char *template)
10636 static char buf[MSG_SIZ];
10640 clock = time((time_t *)NULL);
10641 tm = localtime(&clock);
10643 while(*p++ = *template++) if(p[-1] == '%') {
10644 switch(*template++) {
10645 case 0: *p = 0; return buf;
10646 case 'Y': i = tm->tm_year+1900; break;
10647 case 'y': i = tm->tm_year-100; break;
10648 case 'M': i = tm->tm_mon+1; break;
10649 case 'd': i = tm->tm_mday; break;
10650 case 'h': i = tm->tm_hour; break;
10651 case 'm': i = tm->tm_min; break;
10652 case 's': i = tm->tm_sec; break;
10655 snprintf(p-1, MSG_SIZ-10 - (p - buf), "%02d", i); p += strlen(p);
10661 CountPlayers (char *p)
10664 while(p = strchr(p, '\n')) p++, n++; // count participants
10669 WriteTourneyFile (char *results, FILE *f)
10670 { // write tournament parameters on tourneyFile; on success return the stream pointer for closing
10671 if(f == NULL) f = fopen(appData.tourneyFile, "w");
10672 if(f == NULL) DisplayError(_("Could not write on tourney file"), 0); else {
10673 // create a file with tournament description
10674 fprintf(f, "-participants {%s}\n", appData.participants);
10675 fprintf(f, "-seedBase %d\n", appData.seedBase);
10676 fprintf(f, "-tourneyType %d\n", appData.tourneyType);
10677 fprintf(f, "-tourneyCycles %d\n", appData.tourneyCycles);
10678 fprintf(f, "-defaultMatchGames %d\n", appData.defaultMatchGames);
10679 fprintf(f, "-syncAfterRound %s\n", appData.roundSync ? "true" : "false");
10680 fprintf(f, "-syncAfterCycle %s\n", appData.cycleSync ? "true" : "false");
10681 fprintf(f, "-saveGameFile \"%s\"\n", appData.saveGameFile);
10682 fprintf(f, "-loadGameFile \"%s\"\n", appData.loadGameFile);
10683 fprintf(f, "-loadGameIndex %d\n", appData.loadGameIndex);
10684 fprintf(f, "-loadPositionFile \"%s\"\n", appData.loadPositionFile);
10685 fprintf(f, "-loadPositionIndex %d\n", appData.loadPositionIndex);
10686 fprintf(f, "-rewindIndex %d\n", appData.rewindIndex);
10687 fprintf(f, "-usePolyglotBook %s\n", appData.usePolyglotBook ? "true" : "false");
10688 fprintf(f, "-polyglotBook \"%s\"\n", appData.polyglotBook);
10689 fprintf(f, "-bookDepth %d\n", appData.bookDepth);
10690 fprintf(f, "-bookVariation %d\n", appData.bookStrength);
10691 fprintf(f, "-discourageOwnBooks %s\n", appData.defNoBook ? "true" : "false");
10692 fprintf(f, "-defaultHashSize %d\n", appData.defaultHashSize);
10693 fprintf(f, "-defaultCacheSizeEGTB %d\n", appData.defaultCacheSizeEGTB);
10694 fprintf(f, "-ponderNextMove %s\n", appData.ponderNextMove ? "true" : "false");
10695 fprintf(f, "-smpCores %d\n", appData.smpCores);
10697 fprintf(f, "-searchTime \"%d:%02d\"\n", searchTime/60, searchTime%60);
10699 fprintf(f, "-mps %d\n", appData.movesPerSession);
10700 fprintf(f, "-tc %s\n", appData.timeControl);
10701 fprintf(f, "-inc %.2f\n", appData.timeIncrement);
10703 fprintf(f, "-results \"%s\"\n", results);
10708 char *command[MAXENGINES], *mnemonic[MAXENGINES];
10711 Substitute (char *participants, int expunge)
10713 int i, changed, changes=0, nPlayers=0;
10714 char *p, *q, *r, buf[MSG_SIZ];
10715 if(participants == NULL) return;
10716 if(appData.tourneyFile[0] == NULLCHAR) { free(participants); return; }
10717 r = p = participants; q = appData.participants;
10718 while(*p && *p == *q) {
10719 if(*p == '\n') r = p+1, nPlayers++;
10722 if(*p) { // difference
10723 while(*p && *p++ != '\n');
10724 while(*q && *q++ != '\n');
10725 changed = nPlayers;
10726 changes = 1 + (strcmp(p, q) != 0);
10728 if(changes == 1) { // a single engine mnemonic was changed
10729 q = r; while(*q) nPlayers += (*q++ == '\n');
10730 p = buf; while(*r && (*p = *r++) != '\n') p++;
10732 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10733 for(i=1; mnemonic[i]; i++) if(!strcmp(buf, mnemonic[i])) break;
10734 if(mnemonic[i]) { // The substitute is valid
10736 if(appData.tourneyFile[0] && (f = fopen(appData.tourneyFile, "r+")) ) {
10737 flock(fileno(f), LOCK_EX);
10738 ParseArgsFromFile(f);
10739 fseek(f, 0, SEEK_SET);
10740 FREE(appData.participants); appData.participants = participants;
10741 if(expunge) { // erase results of replaced engine
10742 int len = strlen(appData.results), w, b, dummy;
10743 for(i=0; i<len; i++) {
10744 Pairing(i, nPlayers, &w, &b, &dummy);
10745 if((w == changed || b == changed) && appData.results[i] == '*') {
10746 DisplayError(_("You cannot replace an engine while it is engaged!\nTerminate its game first."), 0);
10751 for(i=0; i<len; i++) {
10752 Pairing(i, nPlayers, &w, &b, &dummy);
10753 if(w == changed || b == changed) appData.results[i] = ' '; // mark as not played
10756 WriteTourneyFile(appData.results, f);
10757 fclose(f); // release lock
10760 } else DisplayError(_("No engine with the name you gave is installed"), 0);
10762 if(changes == 0) DisplayError(_("First change an engine by editing the participants list\nof the Tournament Options dialog"), 0);
10763 if(changes > 1) DisplayError(_("You can only change one engine at the time"), 0);
10764 free(participants);
10769 CheckPlayers (char *participants)
10772 char buf[MSG_SIZ], *p;
10773 NamesToList(firstChessProgramNames, command, mnemonic, "all");
10774 while(p = strchr(participants, '\n')) {
10776 for(i=1; mnemonic[i]; i++) if(!strcmp(participants, mnemonic[i])) break;
10778 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), participants);
10780 DisplayError(buf, 0);
10784 participants = p + 1;
10790 CreateTourney (char *name)
10793 if(matchMode && strcmp(name, appData.tourneyFile)) {
10794 ASSIGN(name, appData.tourneyFile); //do not allow change of tourneyfile while playing
10796 if(name[0] == NULLCHAR) {
10797 if(appData.participants[0])
10798 DisplayError(_("You must supply a tournament file,\nfor storing the tourney progress"), 0);
10801 f = fopen(name, "r");
10802 if(f) { // file exists
10803 ASSIGN(appData.tourneyFile, name);
10804 ParseArgsFromFile(f); // parse it
10806 if(!appData.participants[0]) return 0; // ignore tourney file if non-existing & no participants
10807 if(CountPlayers(appData.participants) < (appData.tourneyType>0 ? appData.tourneyType+1 : 2)) {
10808 DisplayError(_("Not enough participants"), 0);
10811 if(CheckPlayers(appData.participants)) return 0;
10812 ASSIGN(appData.tourneyFile, name);
10813 if(appData.tourneyType < 0) appData.defaultMatchGames = 1; // Swiss forces games/pairing = 1
10814 if((f = WriteTourneyFile("", NULL)) == NULL) return 0;
10817 appData.noChessProgram = FALSE;
10818 appData.clockMode = TRUE;
10824 NamesToList (char *names, char **engineList, char **engineMnemonic, char *group)
10826 char buf[MSG_SIZ], *p, *q;
10827 int i=1, header, skip, all = !strcmp(group, "all"), depth = 0;
10828 insert = names; // afterwards, this global will point just after last retrieved engine line or group end in the 'names'
10829 skip = !all && group[0]; // if group requested, we start in skip mode
10830 for(;*names && depth >= 0 && i < MAXENGINES-1; names = p) {
10831 p = names; q = buf; header = 0;
10832 while(*p && *p != '\n') *q++ = *p++;
10834 if(*p == '\n') p++;
10835 if(buf[0] == '#') {
10836 if(strstr(buf, "# end") == buf) { if(!--depth) insert = p; continue; } // leave group, and suppress printing label
10837 depth++; // we must be entering a new group
10838 if(all) continue; // suppress printing group headers when complete list requested
10840 if(skip && !strcmp(group, buf)) { depth = 0; skip = FALSE; } // start when we reach requested group
10842 if(depth != header && !all || skip) continue; // skip contents of group (but print first-level header)
10843 if(engineList[i]) free(engineList[i]);
10844 engineList[i] = strdup(buf);
10845 if(buf[0] != '#') insert = p, TidyProgramName(engineList[i], "localhost", buf); // group headers not tidied
10846 if(engineMnemonic[i]) free(engineMnemonic[i]);
10847 if((q = strstr(engineList[i]+2, "variant")) && q[-2]== ' ' && (q[-1]=='/' || q[-1]=='-') && (q[7]==' ' || q[7]=='=')) {
10849 sscanf(q + 8, "%s", buf + strlen(buf));
10852 engineMnemonic[i] = strdup(buf);
10855 engineList[i] = engineMnemonic[i] = NULL;
10859 // following implemented as macro to avoid type limitations
10860 #define SWAP(item, temp) temp = appData.item[0]; appData.item[0] = appData.item[n]; appData.item[n] = temp;
10863 SwapEngines (int n)
10864 { // swap settings for first engine and other engine (so far only some selected options)
10869 SWAP(chessProgram, p)
10871 SWAP(hasOwnBookUCI, h)
10872 SWAP(protocolVersion, h)
10874 SWAP(scoreIsAbsolute, h)
10879 SWAP(engOptions, p)
10880 SWAP(engInitString, p)
10881 SWAP(computerString, p)
10883 SWAP(fenOverride, p)
10885 SWAP(accumulateTC, h)
10892 GetEngineLine (char *s, int n)
10896 extern char *icsNames;
10897 if(!s || !*s) return 0;
10898 NamesToList(n >= 10 ? icsNames : firstChessProgramNames, command, mnemonic, "all");
10899 for(i=1; mnemonic[i]; i++) if(!strcmp(s, mnemonic[i])) break;
10900 if(!mnemonic[i]) return 0;
10901 if(n == 11) return 1; // just testing if there was a match
10902 snprintf(buf, MSG_SIZ, "-%s %s", n == 10 ? "icshost" : "fcp", command[i]);
10903 if(n == 1) SwapEngines(n);
10904 ParseArgsFromString(buf);
10905 if(n == 1) SwapEngines(n);
10906 if(n == 0 && *appData.secondChessProgram == NULLCHAR) {
10907 SwapEngines(1); // set second same as first if not yet set (to suppress WB startup dialog)
10908 ParseArgsFromString(buf);
10914 SetPlayer (int player, char *p)
10915 { // [HGM] find the engine line of the partcipant given by number, and parse its options.
10917 char buf[MSG_SIZ], *engineName;
10918 for(i=0; i<player; i++) p = strchr(p, '\n') + 1;
10919 engineName = strdup(p); if(p = strchr(engineName, '\n')) *p = NULLCHAR;
10920 for(i=1; command[i]; i++) if(!strcmp(mnemonic[i], engineName)) break;
10922 snprintf(buf, MSG_SIZ, "-fcp %s", command[i]);
10923 ParseArgsFromString(resetOptions); appData.fenOverride[0] = NULL; appData.pvSAN[0] = FALSE;
10924 appData.firstHasOwnBookUCI = !appData.defNoBook; appData.protocolVersion[0] = PROTOVER;
10925 ParseArgsFromString(buf);
10926 } else { // no engine with this nickname is installed!
10927 snprintf(buf, MSG_SIZ, _("No engine %s is installed"), engineName);
10928 ReserveGame(nextGame, ' '); // unreserve game and drop out of match mode with error
10929 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
10931 DisplayError(buf, 0);
10938 char *recentEngines;
10941 RecentEngineEvent (int nr)
10944 // SwapEngines(1); // bump first to second
10945 // ReplaceEngine(&second, 1); // and load it there
10946 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
10947 n = SetPlayer(nr, recentEngines); // select new (using original menu order!)
10948 if(mnemonic[n]) { // if somehow the engine with the selected nickname is no longer found in the list, we skip
10949 ReplaceEngine(&first, 0);
10950 FloatToFront(&appData.recentEngineList, command[n]);
10955 Pairing (int nr, int nPlayers, int *whitePlayer, int *blackPlayer, int *syncInterval)
10956 { // determine players from game number
10957 int curCycle, curRound, curPairing, gamesPerCycle, gamesPerRound, roundsPerCycle=1, pairingsPerRound=1;
10959 if(appData.tourneyType == 0) {
10960 roundsPerCycle = (nPlayers - 1) | 1;
10961 pairingsPerRound = nPlayers / 2;
10962 } else if(appData.tourneyType > 0) {
10963 roundsPerCycle = nPlayers - appData.tourneyType;
10964 pairingsPerRound = appData.tourneyType;
10966 gamesPerRound = pairingsPerRound * appData.defaultMatchGames;
10967 gamesPerCycle = gamesPerRound * roundsPerCycle;
10968 appData.matchGames = gamesPerCycle * appData.tourneyCycles - 1; // fake like all games are one big match
10969 curCycle = nr / gamesPerCycle; nr %= gamesPerCycle;
10970 curRound = nr / gamesPerRound; nr %= gamesPerRound;
10971 curPairing = nr / appData.defaultMatchGames; nr %= appData.defaultMatchGames;
10972 matchGame = nr + curCycle * appData.defaultMatchGames + 1; // fake game nr that loads correct game or position from file
10973 roundNr = (curCycle * roundsPerCycle + curRound) * appData.defaultMatchGames + nr + 1;
10975 if(appData.cycleSync) *syncInterval = gamesPerCycle;
10976 if(appData.roundSync) *syncInterval = gamesPerRound;
10978 if(appData.debugMode) fprintf(debugFP, "cycle=%d, round=%d, pairing=%d curGame=%d\n", curCycle, curRound, curPairing, matchGame);
10980 if(appData.tourneyType == 0) {
10981 if(curPairing == (nPlayers-1)/2 ) {
10982 *whitePlayer = curRound;
10983 *blackPlayer = nPlayers - 1; // this is the 'bye' when nPlayer is odd
10985 *whitePlayer = curRound - (nPlayers-1)/2 + curPairing;
10986 if(*whitePlayer < 0) *whitePlayer += nPlayers-1+(nPlayers&1);
10987 *blackPlayer = curRound + (nPlayers-1)/2 - curPairing;
10988 if(*blackPlayer >= nPlayers-1+(nPlayers&1)) *blackPlayer -= nPlayers-1+(nPlayers&1);
10990 } else if(appData.tourneyType > 1) {
10991 *blackPlayer = curPairing; // in multi-gauntlet, assign gauntlet engines to second, so first an be kept loaded during round
10992 *whitePlayer = curRound + appData.tourneyType;
10993 } else if(appData.tourneyType > 0) {
10994 *whitePlayer = curPairing;
10995 *blackPlayer = curRound + appData.tourneyType;
10998 // take care of white/black alternation per round.
10999 // For cycles and games this is already taken care of by default, derived from matchGame!
11000 return curRound & 1;
11004 NextTourneyGame (int nr, int *swapColors)
11005 { // !!!major kludge!!! fiddle appData settings to get everything in order for next tourney game
11007 int whitePlayer, blackPlayer, firstBusy=1000000000, syncInterval = 0, nPlayers, OK = 1;
11009 if(appData.tourneyFile[0] == NULLCHAR) return 1; // no tourney, always allow next game
11010 tf = fopen(appData.tourneyFile, "r");
11011 if(tf == NULL) { DisplayFatalError(_("Bad tournament file"), 0, 1); return 0; }
11012 ParseArgsFromFile(tf); fclose(tf);
11013 InitTimeControls(); // TC might be altered from tourney file
11015 nPlayers = CountPlayers(appData.participants); // count participants
11016 if(appData.tourneyType < 0) syncInterval = nPlayers/2; else
11017 *swapColors = Pairing(nr<0 ? 0 : nr, nPlayers, &whitePlayer, &blackPlayer, &syncInterval);
11020 p = q = appData.results;
11021 while(*q) if(*q++ == '*' || q[-1] == ' ') { firstBusy = q - p - 1; break; }
11022 if(firstBusy/syncInterval < (nextGame/syncInterval)) {
11023 DisplayMessage(_("Waiting for other game(s)"),"");
11024 waitingForGame = TRUE;
11025 ScheduleDelayedEvent(NextMatchGame, 1000); // wait for all games of previous round to finish
11028 waitingForGame = FALSE;
11031 if(appData.tourneyType < 0) {
11032 if(nr>=0 && !pairingReceived) {
11034 if(pairing.pr == NoProc) {
11035 if(!appData.pairingEngine[0]) {
11036 DisplayFatalError(_("No pairing engine specified"), 0, 1);
11039 StartChessProgram(&pairing); // starts the pairing engine
11041 snprintf(buf, 1<<16, "results %d %s\n", nPlayers, appData.results);
11042 SendToProgram(buf, &pairing);
11043 snprintf(buf, 1<<16, "pairing %d\n", nr+1);
11044 SendToProgram(buf, &pairing);
11045 return 0; // wait for pairing engine to answer (which causes NextTourneyGame to be called again...
11047 pairingReceived = 0; // ... so we continue here
11049 appData.matchGames = appData.tourneyCycles * syncInterval - 1;
11050 whitePlayer = savedWhitePlayer-1; blackPlayer = savedBlackPlayer-1;
11051 matchGame = 1; roundNr = nr / syncInterval + 1;
11054 if(first.pr != NoProc && second.pr != NoProc || nr<0) return 1; // engines already loaded
11056 // redefine engines, engine dir, etc.
11057 NamesToList(firstChessProgramNames, command, mnemonic, "all"); // get mnemonics of installed engines
11058 if(first.pr == NoProc) {
11059 if(!SetPlayer(whitePlayer, appData.participants)) OK = 0; // find white player amongst it, and parse its engine line
11060 InitEngine(&first, 0); // initialize ChessProgramStates based on new settings.
11062 if(second.pr == NoProc) {
11064 if(!SetPlayer(blackPlayer, appData.participants)) OK = 0; // find black player amongst it, and parse its engine line
11065 SwapEngines(1); // and make that valid for second engine by swapping
11066 InitEngine(&second, 1);
11068 CommonEngineInit(); // after this TwoMachinesEvent will create correct engine processes
11069 UpdateLogos(FALSE); // leave display to ModeHiglight()
11075 { // performs game initialization that does not invoke engines, and then tries to start the game
11076 int res, firstWhite, swapColors = 0;
11077 if(!NextTourneyGame(nextGame, &swapColors)) return; // this sets matchGame, -fcp / -scp and other options for next game, if needed
11078 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
11080 snprintf(buf, MSG_SIZ, appData.nameOfDebugFile, nextGame+1); // expand name of debug file with %d in it
11081 if(strcmp(buf, currentDebugFile)) { // name has changed
11082 FILE *f = fopen(buf, "w");
11083 if(f) { // if opening the new file failed, just keep using the old one
11084 ASSIGN(currentDebugFile, buf);
11088 if(appData.serverFileName) {
11089 if(serverFP) fclose(serverFP);
11090 serverFP = fopen(appData.serverFileName, "w");
11091 if(serverFP && first.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", first.tidy);
11092 if(serverFP && second.pr != NoProc) fprintf(serverFP, "StartChildProcess (dir=\".\") .\\%s\n", second.tidy);
11096 firstWhite = appData.firstPlaysBlack ^ (matchGame & 1 | appData.sameColorGames > 1); // non-incremental default
11097 firstWhite ^= swapColors; // reverses if NextTourneyGame says we are in an odd round
11098 first.twoMachinesColor = firstWhite ? "white\n" : "black\n"; // perform actual color assignement
11099 second.twoMachinesColor = firstWhite ? "black\n" : "white\n";
11100 appData.noChessProgram = (first.pr == NoProc); // kludge to prevent Reset from starting up chess program
11101 if(appData.loadGameIndex == -2) srandom(appData.seedBase + 68163*(nextGame & ~1)); // deterministic seed to force same opening
11102 Reset(FALSE, first.pr != NoProc);
11103 res = LoadGameOrPosition(matchGame); // setup game
11104 appData.noChessProgram = FALSE; // LoadGameOrPosition might call Reset too!
11105 if(!res) return; // abort when bad game/pos file
11106 TwoMachinesEvent();
11110 UserAdjudicationEvent (int result)
11112 ChessMove gameResult = GameIsDrawn;
11115 gameResult = WhiteWins;
11117 else if( result < 0 ) {
11118 gameResult = BlackWins;
11121 if( gameMode == TwoMachinesPlay ) {
11122 GameEnds( gameResult, "User adjudication", GE_XBOARD );
11127 // [HGM] save: calculate checksum of game to make games easily identifiable
11129 StringCheckSum (char *s)
11132 if(s==NULL) return 0;
11133 while(*s) i = i*259 + *s++;
11141 for(i=backwardMostMove; i<forwardMostMove; i++) {
11142 sum += pvInfoList[i].depth;
11143 sum += StringCheckSum(parseList[i]);
11144 sum += StringCheckSum(commentList[i]);
11147 if(i>1 && sum==0) sum++; // make sure never zero for non-empty game
11148 return sum + StringCheckSum(commentList[i]);
11149 } // end of save patch
11152 GameEnds (ChessMove result, char *resultDetails, int whosays)
11154 GameMode nextGameMode;
11156 char buf[MSG_SIZ], popupRequested = 0, *ranking = NULL;
11158 if(endingGame) return; /* [HGM] crash: forbid recursion */
11160 if(twoBoards) { // [HGM] dual: switch back to one board
11161 twoBoards = partnerUp = 0; InitDrawingSizes(-2, 0);
11162 DrawPosition(TRUE, partnerBoard); // observed game becomes foreground
11164 if (appData.debugMode) {
11165 fprintf(debugFP, "GameEnds(%d, %s, %d)\n",
11166 result, resultDetails ? resultDetails : "(null)", whosays);
11169 fromX = fromY = killX = killY = -1; // [HGM] abort any move the user is entering. // [HGM] lion
11171 if(pausing) PauseEvent(); // can happen when we abort a paused game (New Game or Quit)
11173 if (appData.icsActive && (whosays == GE_ENGINE || whosays >= GE_ENGINE1)) {
11174 /* If we are playing on ICS, the server decides when the
11175 game is over, but the engine can offer to draw, claim
11179 if (appData.zippyPlay && first.initDone) {
11180 if (result == GameIsDrawn) {
11181 /* In case draw still needs to be claimed */
11182 SendToICS(ics_prefix);
11183 SendToICS("draw\n");
11184 } else if (StrCaseStr(resultDetails, "resign")) {
11185 SendToICS(ics_prefix);
11186 SendToICS("resign\n");
11190 endingGame = 0; /* [HGM] crash */
11194 /* If we're loading the game from a file, stop */
11195 if (whosays == GE_FILE) {
11196 (void) StopLoadGameTimer();
11200 /* Cancel draw offers */
11201 first.offeredDraw = second.offeredDraw = 0;
11203 /* If this is an ICS game, only ICS can really say it's done;
11204 if not, anyone can. */
11205 isIcsGame = (gameMode == IcsPlayingWhite ||
11206 gameMode == IcsPlayingBlack ||
11207 gameMode == IcsObserving ||
11208 gameMode == IcsExamining);
11210 if (!isIcsGame || whosays == GE_ICS) {
11211 /* OK -- not an ICS game, or ICS said it was done */
11213 if (!isIcsGame && !appData.noChessProgram)
11214 SetUserThinkingEnables();
11216 /* [HGM] if a machine claims the game end we verify this claim */
11217 if(gameMode == TwoMachinesPlay && appData.testClaims) {
11218 if(appData.testLegality && whosays >= GE_ENGINE1 ) {
11220 ChessMove trueResult = (ChessMove) -1;
11222 claimer = whosays == GE_ENGINE1 ? /* color of claimer */
11223 first.twoMachinesColor[0] :
11224 second.twoMachinesColor[0] ;
11226 // [HGM] losers: because the logic is becoming a bit hairy, determine true result first
11227 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_CHECKMATE) {
11228 /* [HGM] verify: engine mate claims accepted if they were flagged */
11229 trueResult = WhiteOnMove(forwardMostMove) ? BlackWins : WhiteWins;
11231 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_WINS) { // added code for games where being mated is a win
11232 /* [HGM] verify: engine mate claims accepted if they were flagged */
11233 trueResult = WhiteOnMove(forwardMostMove) ? WhiteWins : BlackWins;
11235 if((signed char)boards[forwardMostMove][EP_STATUS] == EP_STALEMATE) { // only used to indicate draws now
11236 trueResult = GameIsDrawn; // default; in variants where stalemate loses, Status is CHECKMATE
11239 // now verify win claims, but not in drop games, as we don't understand those yet
11240 if( (gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11241 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand) &&
11242 (result == WhiteWins && claimer == 'w' ||
11243 result == BlackWins && claimer == 'b' ) ) { // case to verify: engine claims own win
11244 if (appData.debugMode) {
11245 fprintf(debugFP, "result=%d sp=%d move=%d\n",
11246 result, (signed char)boards[forwardMostMove][EP_STATUS], forwardMostMove);
11248 if(result != trueResult) {
11249 snprintf(buf, MSG_SIZ, "False win claim: '%s'", resultDetails);
11250 result = claimer == 'w' ? BlackWins : WhiteWins;
11251 resultDetails = buf;
11254 if( result == GameIsDrawn && (signed char)boards[forwardMostMove][EP_STATUS] > EP_DRAWS
11255 && (forwardMostMove <= backwardMostMove ||
11256 (signed char)boards[forwardMostMove-1][EP_STATUS] > EP_DRAWS ||
11257 (claimer=='b')==(forwardMostMove&1))
11259 /* [HGM] verify: draws that were not flagged are false claims */
11260 snprintf(buf, MSG_SIZ, "False draw claim: '%s'", resultDetails);
11261 result = claimer == 'w' ? BlackWins : WhiteWins;
11262 resultDetails = buf;
11264 /* (Claiming a loss is accepted no questions asked!) */
11265 } else if(matchMode && result == GameIsDrawn && !strcmp(resultDetails, "Engine Abort Request")) {
11266 forwardMostMove = backwardMostMove; // [HGM] delete game to surpress saving
11267 result = GameUnfinished;
11268 if(!*appData.tourneyFile) matchGame--; // replay even in plain match
11270 /* [HGM] bare: don't allow bare King to win */
11271 if((gameInfo.holdingsWidth == 0 || gameInfo.variant == VariantSuper
11272 || gameInfo.variant == VariantGreat || gameInfo.variant == VariantGrand)
11273 && gameInfo.variant != VariantLosers && gameInfo.variant != VariantGiveaway
11274 && gameInfo.variant != VariantSuicide // [HGM] losers: except in losers, of course...
11275 && result != GameIsDrawn)
11276 { int i, j, k=0, color = (result==WhiteWins ? (int)WhitePawn : (int)BlackPawn);
11277 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) for(i=0; i<BOARD_HEIGHT; i++) {
11278 int p = (signed char)boards[forwardMostMove][i][j] - color;
11279 if(p >= 0 && p <= (int)WhiteKing) k++;
11281 if (appData.debugMode) {
11282 fprintf(debugFP, "GE(%d, %s, %d) bare king k=%d color=%d\n",
11283 result, resultDetails ? resultDetails : "(null)", whosays, k, color);
11286 result = GameIsDrawn;
11287 snprintf(buf, MSG_SIZ, "%s but bare king", resultDetails);
11288 resultDetails = buf;
11294 if(serverMoves != NULL && !loadFlag) { char c = '=';
11295 if(result==WhiteWins) c = '+';
11296 if(result==BlackWins) c = '-';
11297 if(resultDetails != NULL)
11298 fprintf(serverMoves, ";%c;%s\n", c, resultDetails), fflush(serverMoves);
11300 if (resultDetails != NULL) {
11301 gameInfo.result = result;
11302 gameInfo.resultDetails = StrSave(resultDetails);
11304 /* display last move only if game was not loaded from file */
11305 if ((whosays != GE_FILE) && (currentMove == forwardMostMove))
11306 DisplayMove(currentMove - 1);
11308 if (forwardMostMove != 0) {
11309 if (gameMode != PlayFromGameFile && gameMode != EditGame
11310 && lastSavedGame != GameCheckSum() // [HGM] save: suppress duplicates
11312 if (*appData.saveGameFile != NULLCHAR) {
11313 if(result == GameUnfinished && matchMode && *appData.tourneyFile)
11314 AutoSaveGame(); // [HGM] protect tourney PGN from aborted games, and prompt for name instead
11316 SaveGameToFile(appData.saveGameFile, TRUE);
11317 } else if (appData.autoSaveGames) {
11318 if(gameMode != IcsObserving || !appData.onlyOwn) AutoSaveGame();
11320 if (*appData.savePositionFile != NULLCHAR) {
11321 SavePositionToFile(appData.savePositionFile);
11323 AddGameToBook(FALSE); // Only does something during Monte-Carlo book building
11327 /* Tell program how game ended in case it is learning */
11328 /* [HGM] Moved this to after saving the PGN, just in case */
11329 /* engine died and we got here through time loss. In that */
11330 /* case we will get a fatal error writing the pipe, which */
11331 /* would otherwise lose us the PGN. */
11332 /* [HGM] crash: not needed anymore, but doesn't hurt; */
11333 /* output during GameEnds should never be fatal anymore */
11334 if (gameMode == MachinePlaysWhite ||
11335 gameMode == MachinePlaysBlack ||
11336 gameMode == TwoMachinesPlay ||
11337 gameMode == IcsPlayingWhite ||
11338 gameMode == IcsPlayingBlack ||
11339 gameMode == BeginningOfGame) {
11341 snprintf(buf, MSG_SIZ, "result %s {%s}\n", PGNResult(result),
11343 if (first.pr != NoProc) {
11344 SendToProgram(buf, &first);
11346 if (second.pr != NoProc &&
11347 gameMode == TwoMachinesPlay) {
11348 SendToProgram(buf, &second);
11353 if (appData.icsActive) {
11354 if (appData.quietPlay &&
11355 (gameMode == IcsPlayingWhite ||
11356 gameMode == IcsPlayingBlack)) {
11357 SendToICS(ics_prefix);
11358 SendToICS("set shout 1\n");
11360 nextGameMode = IcsIdle;
11361 ics_user_moved = FALSE;
11362 /* clean up premove. It's ugly when the game has ended and the
11363 * premove highlights are still on the board.
11366 gotPremove = FALSE;
11367 ClearPremoveHighlights();
11368 DrawPosition(FALSE, boards[currentMove]);
11370 if (whosays == GE_ICS) {
11373 if (gameMode == IcsPlayingWhite)
11375 else if(gameMode == IcsPlayingBlack)
11376 PlayIcsLossSound();
11379 if (gameMode == IcsPlayingBlack)
11381 else if(gameMode == IcsPlayingWhite)
11382 PlayIcsLossSound();
11385 PlayIcsDrawSound();
11388 PlayIcsUnfinishedSound();
11391 if(appData.quitNext) { ExitEvent(0); return; }
11392 } else if (gameMode == EditGame ||
11393 gameMode == PlayFromGameFile ||
11394 gameMode == AnalyzeMode ||
11395 gameMode == AnalyzeFile) {
11396 nextGameMode = gameMode;
11398 nextGameMode = EndOfGame;
11403 nextGameMode = gameMode;
11406 if (appData.noChessProgram) {
11407 gameMode = nextGameMode;
11409 endingGame = 0; /* [HGM] crash */
11414 /* Put first chess program into idle state */
11415 if (first.pr != NoProc &&
11416 (gameMode == MachinePlaysWhite ||
11417 gameMode == MachinePlaysBlack ||
11418 gameMode == TwoMachinesPlay ||
11419 gameMode == IcsPlayingWhite ||
11420 gameMode == IcsPlayingBlack ||
11421 gameMode == BeginningOfGame)) {
11422 SendToProgram("force\n", &first);
11423 if (first.usePing) {
11425 snprintf(buf, MSG_SIZ, "ping %d\n", ++first.lastPing);
11426 SendToProgram(buf, &first);
11429 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11430 /* Kill off first chess program */
11431 if (first.isr != NULL)
11432 RemoveInputSource(first.isr);
11435 if (first.pr != NoProc) {
11437 DoSleep( appData.delayBeforeQuit );
11438 SendToProgram("quit\n", &first);
11439 DestroyChildProcess(first.pr, 4 + first.useSigterm);
11440 first.reload = TRUE;
11444 if (second.reuse) {
11445 /* Put second chess program into idle state */
11446 if (second.pr != NoProc &&
11447 gameMode == TwoMachinesPlay) {
11448 SendToProgram("force\n", &second);
11449 if (second.usePing) {
11451 snprintf(buf, MSG_SIZ, "ping %d\n", ++second.lastPing);
11452 SendToProgram(buf, &second);
11455 } else if (result != GameUnfinished || nextGameMode == IcsIdle) {
11456 /* Kill off second chess program */
11457 if (second.isr != NULL)
11458 RemoveInputSource(second.isr);
11461 if (second.pr != NoProc) {
11462 DoSleep( appData.delayBeforeQuit );
11463 SendToProgram("quit\n", &second);
11464 DestroyChildProcess(second.pr, 4 + second.useSigterm);
11465 second.reload = TRUE;
11467 second.pr = NoProc;
11470 if (matchMode && (gameMode == TwoMachinesPlay || (waitingForGame || startingEngine) && exiting)) {
11471 char resChar = '=';
11475 if (first.twoMachinesColor[0] == 'w') {
11478 second.matchWins++;
11483 if (first.twoMachinesColor[0] == 'b') {
11486 second.matchWins++;
11489 case GameUnfinished:
11495 if(exiting) resChar = ' '; // quit while waiting for round sync: unreserve already reserved game
11496 if(appData.tourneyFile[0]){ // [HGM] we are in a tourney; update tourney file with game result
11497 if(appData.afterGame && appData.afterGame[0]) RunCommand(appData.afterGame);
11498 ReserveGame(nextGame, resChar); // sets nextGame
11499 if(nextGame > appData.matchGames) appData.tourneyFile[0] = 0, ranking = TourneyStandings(3); // tourney is done
11500 else ranking = strdup("busy"); //suppress popup when aborted but not finished
11501 } else roundNr = nextGame = matchGame + 1; // normal match, just increment; round equals matchGame
11503 if (nextGame <= appData.matchGames && !abortMatch) {
11504 gameMode = nextGameMode;
11505 matchGame = nextGame; // this will be overruled in tourney mode!
11506 GetTimeMark(&pauseStart); // [HGM] matchpause: stipulate a pause
11507 ScheduleDelayedEvent(NextMatchGame, 10); // but start game immediately (as it will wait out the pause itself)
11508 endingGame = 0; /* [HGM] crash */
11511 gameMode = nextGameMode;
11512 snprintf(buf, MSG_SIZ, _("Match %s vs. %s: final score %d-%d-%d"),
11513 first.tidy, second.tidy,
11514 first.matchWins, second.matchWins,
11515 appData.matchGames - (first.matchWins + second.matchWins));
11516 if(!appData.tourneyFile[0]) matchGame++, DisplayTwoMachinesTitle(); // [HGM] update result in window title
11517 if(ranking && strcmp(ranking, "busy") && appData.afterTourney && appData.afterTourney[0]) RunCommand(appData.afterTourney);
11518 popupRequested++; // [HGM] crash: postpone to after resetting endingGame
11519 if (appData.firstPlaysBlack) { // [HGM] match: back to original for next match
11520 first.twoMachinesColor = "black\n";
11521 second.twoMachinesColor = "white\n";
11523 first.twoMachinesColor = "white\n";
11524 second.twoMachinesColor = "black\n";
11528 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile) &&
11529 !(nextGameMode == AnalyzeMode || nextGameMode == AnalyzeFile))
11531 gameMode = nextGameMode;
11533 endingGame = 0; /* [HGM] crash */
11534 if(popupRequested) { // [HGM] crash: this calls GameEnds recursively through ExitEvent! Make it a harmless tail recursion.
11535 if(matchMode == TRUE) { // match through command line: exit with or without popup
11537 ToNrEvent(forwardMostMove);
11538 if(strcmp(ranking, "busy")) DisplayFatalError(ranking, 0, 0);
11540 } else DisplayFatalError(buf, 0, 0);
11541 } else { // match through menu; just stop, with or without popup
11542 matchMode = FALSE; appData.matchGames = matchGame = roundNr = 0;
11545 if(strcmp(ranking, "busy")) DisplayNote(ranking);
11546 } else DisplayNote(buf);
11548 if(ranking) free(ranking);
11552 /* Assumes program was just initialized (initString sent).
11553 Leaves program in force mode. */
11555 FeedMovesToProgram (ChessProgramState *cps, int upto)
11559 if (appData.debugMode)
11560 fprintf(debugFP, "Feeding %smoves %d through %d to %s chess program\n",
11561 startedFromSetupPosition ? "position and " : "",
11562 backwardMostMove, upto, cps->which);
11563 if(currentlyInitializedVariant != gameInfo.variant) {
11565 // [HGM] variantswitch: make engine aware of new variant
11566 if(!SupportedVariant(cps->variants, gameInfo.variant, gameInfo.boardWidth,
11567 gameInfo.boardHeight, gameInfo.holdingsSize, cps->protocolVersion, ""))
11568 return; // [HGM] refrain from feeding moves altogether if variant is unsupported!
11569 snprintf(buf, MSG_SIZ, "variant %s\n", VariantName(gameInfo.variant));
11570 SendToProgram(buf, cps);
11571 currentlyInitializedVariant = gameInfo.variant;
11573 SendToProgram("force\n", cps);
11574 if (startedFromSetupPosition) {
11575 SendBoard(cps, backwardMostMove);
11576 if (appData.debugMode) {
11577 fprintf(debugFP, "feedMoves\n");
11580 for (i = backwardMostMove; i < upto; i++) {
11581 SendMoveToProgram(i, cps);
11587 ResurrectChessProgram ()
11589 /* The chess program may have exited.
11590 If so, restart it and feed it all the moves made so far. */
11591 static int doInit = 0;
11593 if (appData.noChessProgram) return 1;
11595 if(matchMode /*&& appData.tourneyFile[0]*/) { // [HGM] tourney: make sure we get features after engine replacement. (Should we always do this?)
11596 if(WaitForEngine(&first, TwoMachinesEventIfReady)) { doInit = 1; return 0; } // request to do init on next visit, because we started engine
11597 if(!doInit) return 1; // this replaces testing first.pr != NoProc, which is true when we get here, but first time no reason to abort
11598 doInit = 0; // we fell through (first time after starting the engine); make sure it doesn't happen again
11600 if (first.pr != NoProc) return 1;
11601 StartChessProgram(&first);
11603 InitChessProgram(&first, FALSE);
11604 FeedMovesToProgram(&first, currentMove);
11606 if (!first.sendTime) {
11607 /* can't tell gnuchess what its clock should read,
11608 so we bow to its notion. */
11610 timeRemaining[0][currentMove] = whiteTimeRemaining;
11611 timeRemaining[1][currentMove] = blackTimeRemaining;
11614 if ((gameMode == AnalyzeMode || gameMode == AnalyzeFile ||
11615 appData.icsEngineAnalyze) && first.analysisSupport) {
11616 SendToProgram("analyze\n", &first);
11617 first.analyzing = TRUE;
11623 * Button procedures
11626 Reset (int redraw, int init)
11630 if (appData.debugMode) {
11631 fprintf(debugFP, "Reset(%d, %d) from gameMode %d\n",
11632 redraw, init, gameMode);
11634 pieceDefs = FALSE; // [HGM] gen: reset engine-defined piece moves
11635 for(i=0; i<EmptySquare; i++) { FREE(pieceDesc[i]); pieceDesc[i] = NULL; }
11636 CleanupTail(); // [HGM] vari: delete any stored variations
11637 CommentPopDown(); // [HGM] make sure no comments to the previous game keep hanging on
11638 pausing = pauseExamInvalid = FALSE;
11639 startedFromSetupPosition = blackPlaysFirst = FALSE;
11641 whiteFlag = blackFlag = FALSE;
11642 userOfferedDraw = FALSE;
11643 hintRequested = bookRequested = FALSE;
11644 first.maybeThinking = FALSE;
11645 second.maybeThinking = FALSE;
11646 first.bookSuspend = FALSE; // [HGM] book
11647 second.bookSuspend = FALSE;
11648 thinkOutput[0] = NULLCHAR;
11649 lastHint[0] = NULLCHAR;
11650 ClearGameInfo(&gameInfo);
11651 gameInfo.variant = StringToVariant(appData.variant);
11652 if(gameInfo.variant == VariantNormal && strcmp(appData.variant, "normal")) gameInfo.variant = VariantUnknown;
11653 ics_user_moved = ics_clock_paused = FALSE;
11654 ics_getting_history = H_FALSE;
11656 white_holding[0] = black_holding[0] = NULLCHAR;
11657 ClearProgramStats();
11658 opponentKibitzes = FALSE; // [HGM] kibitz: do not reserve space in engine-output window in zippy mode
11662 flipView = appData.flipView;
11663 ClearPremoveHighlights();
11664 gotPremove = FALSE;
11665 alarmSounded = FALSE;
11666 killX = killY = -1; // [HGM] lion
11668 GameEnds(EndOfFile, NULL, GE_PLAYER);
11669 if(appData.serverMovesName != NULL) {
11670 /* [HGM] prepare to make moves file for broadcasting */
11671 clock_t t = clock();
11672 if(serverMoves != NULL) fclose(serverMoves);
11673 serverMoves = fopen(appData.serverMovesName, "r");
11674 if(serverMoves != NULL) {
11675 fclose(serverMoves);
11676 /* delay 15 sec before overwriting, so all clients can see end */
11677 while(clock()-t < appData.serverPause*CLOCKS_PER_SEC);
11679 serverMoves = fopen(appData.serverMovesName, "w");
11683 gameMode = BeginningOfGame;
11685 if(appData.icsActive) gameInfo.variant = VariantNormal;
11686 currentMove = forwardMostMove = backwardMostMove = 0;
11687 MarkTargetSquares(1);
11688 InitPosition(redraw);
11689 for (i = 0; i < MAX_MOVES; i++) {
11690 if (commentList[i] != NULL) {
11691 free(commentList[i]);
11692 commentList[i] = NULL;
11696 timeRemaining[0][0] = whiteTimeRemaining;
11697 timeRemaining[1][0] = blackTimeRemaining;
11699 if (first.pr == NoProc) {
11700 StartChessProgram(&first);
11703 InitChessProgram(&first, startedFromSetupPosition);
11706 DisplayMessage("", "");
11707 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
11708 lastSavedGame = 0; // [HGM] save: make sure next game counts as unsaved
11709 ClearMap(); // [HGM] exclude: invalidate map
11713 AutoPlayGameLoop ()
11716 if (!AutoPlayOneMove())
11718 if (matchMode || appData.timeDelay == 0)
11720 if (appData.timeDelay < 0)
11722 StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
11730 ReloadGame(1); // next game
11736 int fromX, fromY, toX, toY;
11738 if (appData.debugMode) {
11739 fprintf(debugFP, "AutoPlayOneMove(): current %d\n", currentMove);
11742 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile)
11745 if (gameMode == AnalyzeFile && currentMove > backwardMostMove && programStats.depth) {
11746 pvInfoList[currentMove].depth = programStats.depth;
11747 pvInfoList[currentMove].score = programStats.score;
11748 pvInfoList[currentMove].time = 0;
11749 if(currentMove < forwardMostMove) AppendComment(currentMove+1, lastPV[0], 2);
11750 else { // append analysis of final position as comment
11752 snprintf(buf, MSG_SIZ, "{final score %+4.2f/%d}", programStats.score/100., programStats.depth);
11753 AppendComment(currentMove, buf, 3); // the 3 prevents stripping of the score/depth!
11755 programStats.depth = 0;
11758 if (currentMove >= forwardMostMove) {
11759 if(gameMode == AnalyzeFile) {
11760 if(appData.loadGameIndex == -1) {
11761 GameEnds(gameInfo.result, gameInfo.resultDetails ? gameInfo.resultDetails : "", GE_FILE);
11762 ScheduleDelayedEvent(AnalyzeNextGame, 10);
11764 ExitAnalyzeMode(); SendToProgram("force\n", &first);
11767 // gameMode = EndOfGame;
11768 // ModeHighlight();
11770 /* [AS] Clear current move marker at the end of a game */
11771 /* HistorySet(parseList, backwardMostMove, forwardMostMove, -1); */
11776 toX = moveList[currentMove][2] - AAA;
11777 toY = moveList[currentMove][3] - ONE;
11779 if (moveList[currentMove][1] == '@') {
11780 if (appData.highlightLastMove) {
11781 SetHighlights(-1, -1, toX, toY);
11784 int viaX = moveList[currentMove][5] - AAA;
11785 int viaY = moveList[currentMove][6] - ONE;
11786 fromX = moveList[currentMove][0] - AAA;
11787 fromY = moveList[currentMove][1] - ONE;
11789 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove); /* [AS] */
11791 if(moveList[currentMove][4] == ';') { // multi-leg
11792 ChessSquare piece = boards[currentMove][viaY][viaX];
11793 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
11794 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
11795 AnimateMove(boards[currentMove], fromX=viaX, fromY=viaY, toX, toY);
11796 boards[currentMove][viaY][viaX] = piece;
11798 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
11800 if (appData.highlightLastMove) {
11801 SetHighlights(fromX, fromY, toX, toY);
11804 DisplayMove(currentMove);
11805 SendMoveToProgram(currentMove++, &first);
11806 DisplayBothClocks();
11807 DrawPosition(FALSE, boards[currentMove]);
11808 // [HGM] PV info: always display, routine tests if empty
11809 DisplayComment(currentMove - 1, commentList[currentMove]);
11815 LoadGameOneMove (ChessMove readAhead)
11817 int fromX = 0, fromY = 0, toX = 0, toY = 0, done;
11818 char promoChar = NULLCHAR;
11819 ChessMove moveType;
11820 char move[MSG_SIZ];
11823 if (gameMode != PlayFromGameFile && gameMode != AnalyzeFile &&
11824 gameMode != AnalyzeMode && gameMode != Training) {
11829 yyboardindex = forwardMostMove;
11830 if (readAhead != EndOfFile) {
11831 moveType = readAhead;
11833 if (gameFileFP == NULL)
11835 moveType = (ChessMove) Myylex();
11839 switch (moveType) {
11841 if (appData.debugMode)
11842 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
11845 /* append the comment but don't display it */
11846 AppendComment(currentMove, p, FALSE);
11849 case WhiteCapturesEnPassant:
11850 case BlackCapturesEnPassant:
11851 case WhitePromotion:
11852 case BlackPromotion:
11853 case WhiteNonPromotion:
11854 case BlackNonPromotion:
11857 case WhiteKingSideCastle:
11858 case WhiteQueenSideCastle:
11859 case BlackKingSideCastle:
11860 case BlackQueenSideCastle:
11861 case WhiteKingSideCastleWild:
11862 case WhiteQueenSideCastleWild:
11863 case BlackKingSideCastleWild:
11864 case BlackQueenSideCastleWild:
11866 case WhiteHSideCastleFR:
11867 case WhiteASideCastleFR:
11868 case BlackHSideCastleFR:
11869 case BlackASideCastleFR:
11871 if (appData.debugMode)
11872 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11873 fromX = currentMoveString[0] - AAA;
11874 fromY = currentMoveString[1] - ONE;
11875 toX = currentMoveString[2] - AAA;
11876 toY = currentMoveString[3] - ONE;
11877 promoChar = currentMoveString[4];
11878 if(promoChar == ';') promoChar = NULLCHAR;
11883 if (appData.debugMode)
11884 fprintf(debugFP, "Parsed %s into %s\n", yy_text, currentMoveString);
11885 fromX = moveType == WhiteDrop ?
11886 (int) CharToPiece(ToUpper(currentMoveString[0])) :
11887 (int) CharToPiece(ToLower(currentMoveString[0]));
11889 toX = currentMoveString[2] - AAA;
11890 toY = currentMoveString[3] - ONE;
11896 case GameUnfinished:
11897 if (appData.debugMode)
11898 fprintf(debugFP, "Parsed game end: %s\n", yy_text);
11899 p = strchr(yy_text, '{');
11900 if (p == NULL) p = strchr(yy_text, '(');
11903 if (p[0] == '0' || p[0] == '1' || p[0] == '*') p = "";
11905 q = strchr(p, *p == '{' ? '}' : ')');
11906 if (q != NULL) *q = NULLCHAR;
11909 while(q = strchr(p, '\n')) *q = ' '; // [HGM] crush linefeeds in result message
11910 GameEnds(moveType, p, GE_FILE);
11912 if (cmailMsgLoaded) {
11914 flipView = WhiteOnMove(currentMove);
11915 if (moveType == GameUnfinished) flipView = !flipView;
11916 if (appData.debugMode)
11917 fprintf(debugFP, "Setting flipView to %d\n", flipView) ;
11922 if (appData.debugMode)
11923 fprintf(debugFP, "Parser hit end of file\n");
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 MoveNumberOne:
11944 if (lastLoadGameStart == GNUChessGame) {
11945 /* GNUChessGames have numbers, but they aren't move numbers */
11946 if (appData.debugMode)
11947 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11948 yy_text, (int) moveType);
11949 return LoadGameOneMove(EndOfFile); /* tail recursion */
11951 /* else fall thru */
11956 /* Reached start of next game in file */
11957 if (appData.debugMode)
11958 fprintf(debugFP, "Parsed start of next game: %s\n", yy_text);
11959 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
11965 if (WhiteOnMove(currentMove)) {
11966 GameEnds(BlackWins, "Black mates", GE_FILE);
11968 GameEnds(WhiteWins, "White mates", GE_FILE);
11972 GameEnds(GameIsDrawn, "Stalemate", GE_FILE);
11978 case PositionDiagram: /* should not happen; ignore */
11979 case ElapsedTime: /* ignore */
11980 case NAG: /* ignore */
11981 if (appData.debugMode)
11982 fprintf(debugFP, "Parser ignoring: '%s' (%d)\n",
11983 yy_text, (int) moveType);
11984 return LoadGameOneMove(EndOfFile); /* tail recursion */
11987 if (appData.testLegality) {
11988 if (appData.debugMode)
11989 fprintf(debugFP, "Parsed IllegalMove: %s\n", yy_text);
11990 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
11991 (forwardMostMove / 2) + 1,
11992 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
11993 DisplayError(move, 0);
11996 if (appData.debugMode)
11997 fprintf(debugFP, "Parsed %s into IllegalMove %s\n",
11998 yy_text, currentMoveString);
11999 fromX = currentMoveString[0] - AAA;
12000 fromY = currentMoveString[1] - ONE;
12001 toX = currentMoveString[2] - AAA;
12002 toY = currentMoveString[3] - ONE;
12003 promoChar = currentMoveString[4];
12007 case AmbiguousMove:
12008 if (appData.debugMode)
12009 fprintf(debugFP, "Parsed AmbiguousMove: %s\n", yy_text);
12010 snprintf(move, MSG_SIZ, _("Ambiguous move: %d.%s%s"),
12011 (forwardMostMove / 2) + 1,
12012 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12013 DisplayError(move, 0);
12018 case ImpossibleMove:
12019 if (appData.debugMode)
12020 fprintf(debugFP, "Parsed ImpossibleMove (type = %d): %s\n", moveType, yy_text);
12021 snprintf(move, MSG_SIZ, _("Illegal move: %d.%s%s"),
12022 (forwardMostMove / 2) + 1,
12023 WhiteOnMove(forwardMostMove) ? " " : ".. ", yy_text);
12024 DisplayError(move, 0);
12030 if (appData.matchMode || (appData.timeDelay == 0 && !pausing)) {
12031 DrawPosition(FALSE, boards[currentMove]);
12032 DisplayBothClocks();
12033 if (!appData.matchMode) // [HGM] PV info: routine tests if empty
12034 DisplayComment(currentMove - 1, commentList[currentMove]);
12036 (void) StopLoadGameTimer();
12038 cmailOldMove = forwardMostMove;
12041 /* currentMoveString is set as a side-effect of yylex */
12043 thinkOutput[0] = NULLCHAR;
12044 MakeMove(fromX, fromY, toX, toY, promoChar);
12045 killX = killY = -1; // [HGM] lion: used up
12046 currentMove = forwardMostMove;
12051 /* Load the nth game from the given file */
12053 LoadGameFromFile (char *filename, int n, char *title, int useList)
12058 if (strcmp(filename, "-") == 0) {
12062 f = fopen(filename, "rb");
12064 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
12065 DisplayError(buf, errno);
12069 if (fseek(f, 0, 0) == -1) {
12070 /* f is not seekable; probably a pipe */
12073 if (useList && n == 0) {
12074 int error = GameListBuild(f);
12076 DisplayError(_("Cannot build game list"), error);
12077 } else if (!ListEmpty(&gameList) &&
12078 ((ListGame *) gameList.tailPred)->number > 1) {
12079 GameListPopUp(f, title);
12086 return LoadGame(f, n, title, FALSE);
12091 MakeRegisteredMove ()
12093 int fromX, fromY, toX, toY;
12095 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12096 switch (cmailMoveType[lastLoadGameNumber - 1]) {
12099 if (appData.debugMode)
12100 fprintf(debugFP, "Restoring %s for game %d\n",
12101 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
12103 thinkOutput[0] = NULLCHAR;
12104 safeStrCpy(moveList[currentMove], cmailMove[lastLoadGameNumber - 1], sizeof(moveList[currentMove])/sizeof(moveList[currentMove][0]));
12105 fromX = cmailMove[lastLoadGameNumber - 1][0] - AAA;
12106 fromY = cmailMove[lastLoadGameNumber - 1][1] - ONE;
12107 toX = cmailMove[lastLoadGameNumber - 1][2] - AAA;
12108 toY = cmailMove[lastLoadGameNumber - 1][3] - ONE;
12109 promoChar = cmailMove[lastLoadGameNumber - 1][4];
12110 MakeMove(fromX, fromY, toX, toY, promoChar);
12111 ShowMove(fromX, fromY, toX, toY);
12113 switch (MateTest(boards[currentMove], PosFlags(currentMove)) ) {
12120 if (WhiteOnMove(currentMove)) {
12121 GameEnds(BlackWins, "Black mates", GE_PLAYER);
12123 GameEnds(WhiteWins, "White mates", GE_PLAYER);
12128 GameEnds(GameIsDrawn, "Stalemate", GE_PLAYER);
12135 if (WhiteOnMove(currentMove)) {
12136 GameEnds(BlackWins, "White resigns", GE_PLAYER);
12138 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
12143 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
12154 /* Wrapper around LoadGame for use when a Cmail message is loaded */
12156 CmailLoadGame (FILE *f, int gameNumber, char *title, int useList)
12160 if (gameNumber > nCmailGames) {
12161 DisplayError(_("No more games in this message"), 0);
12164 if (f == lastLoadGameFP) {
12165 int offset = gameNumber - lastLoadGameNumber;
12167 cmailMsg[0] = NULLCHAR;
12168 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
12169 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
12170 nCmailMovesRegistered--;
12172 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
12173 if (cmailResult[lastLoadGameNumber - 1] == CMAIL_NEW_RESULT) {
12174 cmailResult[lastLoadGameNumber - 1] = CMAIL_NOT_RESULT;
12177 if (! RegisterMove()) return FALSE;
12181 retVal = LoadGame(f, gameNumber, title, useList);
12183 /* Make move registered during previous look at this game, if any */
12184 MakeRegisteredMove();
12186 if (cmailCommentList[lastLoadGameNumber - 1] != NULL) {
12187 commentList[currentMove]
12188 = StrSave(cmailCommentList[lastLoadGameNumber - 1]);
12189 DisplayComment(currentMove - 1, commentList[currentMove]);
12195 /* Support for LoadNextGame, LoadPreviousGame, ReloadSameGame */
12197 ReloadGame (int offset)
12199 int gameNumber = lastLoadGameNumber + offset;
12200 if (lastLoadGameFP == NULL) {
12201 DisplayError(_("No game has been loaded yet"), 0);
12204 if (gameNumber <= 0) {
12205 DisplayError(_("Can't back up any further"), 0);
12208 if (cmailMsgLoaded) {
12209 return CmailLoadGame(lastLoadGameFP, gameNumber,
12210 lastLoadGameTitle, lastLoadGameUseList);
12212 return LoadGame(lastLoadGameFP, gameNumber,
12213 lastLoadGameTitle, lastLoadGameUseList);
12217 int keys[EmptySquare+1];
12220 PositionMatches (Board b1, Board b2)
12223 switch(appData.searchMode) {
12224 case 1: return CompareWithRights(b1, b2);
12226 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12227 if(b2[r][f] != EmptySquare && b1[r][f] != b2[r][f]) return FALSE;
12231 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12232 if((b2[r][f] == WhitePawn || b2[r][f] == BlackPawn) && b1[r][f] != b2[r][f]) return FALSE;
12233 sum += keys[b1[r][f]] - keys[b2[r][f]];
12237 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12238 sum += keys[b1[r][f]] - keys[b2[r][f]];
12250 int pieceList[256], quickBoard[256];
12251 ChessSquare pieceType[256] = { EmptySquare };
12252 Board soughtBoard, reverseBoard, flipBoard, rotateBoard;
12253 int counts[EmptySquare], minSought[EmptySquare], minReverse[EmptySquare], maxSought[EmptySquare], maxReverse[EmptySquare];
12254 int soughtTotal, turn;
12255 Boolean epOK, flipSearch;
12258 unsigned char piece, to;
12261 #define DSIZE (250000)
12263 Move initialSpace[DSIZE+1000]; // gamble on that game will not be more than 500 moves
12264 Move *moveDatabase = initialSpace;
12265 unsigned int movePtr, dataSize = DSIZE;
12268 MakePieceList (Board board, int *counts)
12270 int r, f, n=Q_PROMO, total=0;
12271 for(r=0;r<EmptySquare;r++) counts[r] = 0; // piece-type counts
12272 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12273 int sq = f + (r<<4);
12274 if(board[r][f] == EmptySquare) quickBoard[sq] = 0; else {
12275 quickBoard[sq] = ++n;
12277 pieceType[n] = board[r][f];
12278 counts[board[r][f]]++;
12279 if(board[r][f] == WhiteKing) pieceList[1] = n; else
12280 if(board[r][f] == BlackKing) pieceList[2] = n; // remember which are Kings, for castling
12284 epOK = gameInfo.variant != VariantXiangqi && gameInfo.variant != VariantBerolina;
12289 PackMove (int fromX, int fromY, int toX, int toY, ChessSquare promoPiece)
12291 int sq = fromX + (fromY<<4);
12292 int piece = quickBoard[sq], rook;
12293 quickBoard[sq] = 0;
12294 moveDatabase[movePtr].to = pieceList[piece] = sq = toX + (toY<<4);
12295 if(piece == pieceList[1] && fromY == toY) {
12296 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12297 int from = toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT;
12298 moveDatabase[movePtr++].piece = Q_WCASTL;
12299 quickBoard[sq] = piece;
12300 piece = quickBoard[from]; quickBoard[from] = 0;
12301 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12302 } else if((rook = quickBoard[sq]) && pieceType[rook] == WhiteRook) { // FRC castling
12303 quickBoard[sq] = 0; // remove Rook
12304 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2); // King to-square
12305 moveDatabase[movePtr++].piece = Q_WCASTL;
12306 quickBoard[sq] = pieceList[1]; // put King
12308 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12311 if(piece == pieceList[2] && fromY == toY) {
12312 if((toX > fromX+1 || toX < fromX-1) && fromX != BOARD_LEFT && fromX != BOARD_RGHT-1) {
12313 int from = (toX>fromX ? BOARD_RGHT-1 : BOARD_LEFT) + (BOARD_HEIGHT-1 <<4);
12314 moveDatabase[movePtr++].piece = Q_BCASTL;
12315 quickBoard[sq] = piece;
12316 piece = quickBoard[from]; quickBoard[from] = 0;
12317 moveDatabase[movePtr].to = pieceList[piece] = sq = toX>fromX ? sq-1 : sq+1;
12318 } else if((rook = quickBoard[sq]) && pieceType[rook] == BlackRook) { // FRC castling
12319 quickBoard[sq] = 0; // remove Rook
12320 moveDatabase[movePtr].to = sq = (toX>fromX ? BOARD_RGHT-2 : BOARD_LEFT+2);
12321 moveDatabase[movePtr++].piece = Q_BCASTL;
12322 quickBoard[sq] = pieceList[2]; // put King
12324 moveDatabase[movePtr].to = pieceList[rook] = sq = toX>fromX ? sq-1 : sq+1;
12327 if(epOK && (pieceType[piece] == WhitePawn || pieceType[piece] == BlackPawn) && fromX != toX && quickBoard[sq] == 0) {
12328 quickBoard[(fromY<<4)+toX] = 0;
12329 moveDatabase[movePtr].piece = Q_EP;
12330 moveDatabase[movePtr++].to = (fromY<<4)+toX;
12331 moveDatabase[movePtr].to = sq;
12333 if(promoPiece != pieceType[piece]) {
12334 moveDatabase[movePtr++].piece = Q_PROMO;
12335 moveDatabase[movePtr].to = pieceType[piece] = (int) promoPiece;
12337 moveDatabase[movePtr].piece = piece;
12338 quickBoard[sq] = piece;
12343 PackGame (Board board)
12345 Move *newSpace = NULL;
12346 moveDatabase[movePtr].piece = 0; // terminate previous game
12347 if(movePtr > dataSize) {
12348 if(appData.debugMode) fprintf(debugFP, "move-cache overflow, enlarge to %d MB\n", dataSize/128);
12349 dataSize *= 8; // increase size by factor 8 (512KB -> 4MB -> 32MB -> 256MB -> 2GB)
12350 if(dataSize) newSpace = (Move*) calloc(dataSize + 1000, sizeof(Move));
12353 Move *p = moveDatabase, *q = newSpace;
12354 for(i=0; i<movePtr; i++) *q++ = *p++; // copy to newly allocated space
12355 if(dataSize > 8*DSIZE) free(moveDatabase); // and free old space (if it was allocated)
12356 moveDatabase = newSpace;
12357 } else { // calloc failed, we must be out of memory. Too bad...
12358 dataSize = 0; // prevent calloc events for all subsequent games
12359 return 0; // and signal this one isn't cached
12363 MakePieceList(board, counts);
12368 QuickCompare (Board board, int *minCounts, int *maxCounts)
12369 { // compare according to search mode
12371 switch(appData.searchMode)
12373 case 1: // exact position match
12374 if(!(turn & board[EP_STATUS-1])) return FALSE; // wrong side to move
12375 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12376 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12379 case 2: // can have extra material on empty squares
12380 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12381 if(board[r][f] == EmptySquare) continue;
12382 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12385 case 3: // material with exact Pawn structure
12386 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12387 if(board[r][f] != WhitePawn && board[r][f] != BlackPawn) continue;
12388 if(board[r][f] != pieceType[quickBoard[(r<<4)+f]]) return FALSE;
12389 } // fall through to material comparison
12390 case 4: // exact material
12391 for(r=0; r<EmptySquare; r++) if(counts[r] != maxCounts[r]) return FALSE;
12393 case 6: // material range with given imbalance
12394 for(r=0; r<BlackPawn; r++) if(counts[r] - minCounts[r] != counts[r+BlackPawn] - minCounts[r+BlackPawn]) return FALSE;
12395 // fall through to range comparison
12396 case 5: // material range
12397 for(r=0; r<EmptySquare; r++) if(counts[r] < minCounts[r] || counts[r] > maxCounts[r]) return FALSE;
12403 QuickScan (Board board, Move *move)
12404 { // reconstruct game,and compare all positions in it
12405 int cnt=0, stretch=0, found = -1, total = MakePieceList(board, counts);
12407 int piece = move->piece;
12408 int to = move->to, from = pieceList[piece];
12409 if(found < 0) { // if already found just scan to game end for final piece count
12410 if(QuickCompare(soughtBoard, minSought, maxSought) ||
12411 appData.ignoreColors && QuickCompare(reverseBoard, minReverse, maxReverse) ||
12412 flipSearch && (QuickCompare(flipBoard, minSought, maxSought) ||
12413 appData.ignoreColors && QuickCompare(rotateBoard, minReverse, maxReverse))
12415 static int lastCounts[EmptySquare+1];
12417 if(stretch) for(i=0; i<EmptySquare; i++) if(lastCounts[i] != counts[i]) { stretch = 0; break; } // reset if material changes
12418 if(stretch++ == 0) for(i=0; i<EmptySquare; i++) lastCounts[i] = counts[i]; // remember actual material
12419 } else stretch = 0;
12420 if(stretch && (appData.searchMode == 1 || stretch >= appData.stretch)) found = cnt + 1 - stretch;
12421 if(found >= 0 && !appData.minPieces) return found;
12423 if(piece <= Q_PROMO) { // special moves encoded by otherwise invalid piece numbers 1-4
12424 if(!piece) return (appData.minPieces && (total < appData.minPieces || total > appData.maxPieces) ? -1 : found);
12425 if(piece == Q_PROMO) { // promotion, encoded as (Q_PROMO, to) + (piece, promoType)
12426 piece = (++move)->piece;
12427 from = pieceList[piece];
12428 counts[pieceType[piece]]--;
12429 pieceType[piece] = (ChessSquare) move->to;
12430 counts[move->to]++;
12431 } else if(piece == Q_EP) { // e.p. capture, encoded as (Q_EP, ep-sqr) + (piece, to)
12432 counts[pieceType[quickBoard[to]]]--;
12433 quickBoard[to] = 0; total--;
12436 } else if(piece <= Q_BCASTL) { // castling, encoded as (Q_XCASTL, king-to) + (rook, rook-to)
12437 piece = pieceList[piece]; // first two elements of pieceList contain King numbers
12438 from = pieceList[piece]; // so this must be King
12439 quickBoard[from] = 0;
12440 pieceList[piece] = to;
12441 from = pieceList[(++move)->piece]; // for FRC this has to be done here
12442 quickBoard[from] = 0; // rook
12443 quickBoard[to] = piece;
12444 to = move->to; piece = move->piece;
12448 if(appData.searchMode > 2) counts[pieceType[quickBoard[to]]]--; // account capture
12449 if((total -= (quickBoard[to] != 0)) < soughtTotal && found < 0) return -1; // piece count dropped below what we search for
12450 quickBoard[from] = 0;
12452 quickBoard[to] = piece;
12453 pieceList[piece] = to;
12463 flipSearch = FALSE;
12464 CopyBoard(soughtBoard, boards[currentMove]);
12465 soughtTotal = MakePieceList(soughtBoard, maxSought);
12466 soughtBoard[EP_STATUS-1] = (currentMove & 1) + 1;
12467 if(currentMove == 0 && gameMode == EditPosition) soughtBoard[EP_STATUS-1] = blackPlaysFirst + 1; // (!)
12468 CopyBoard(reverseBoard, boards[currentMove]);
12469 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12470 int piece = boards[currentMove][BOARD_HEIGHT-1-r][f];
12471 if(piece < BlackPawn) piece += BlackPawn; else if(piece < EmptySquare) piece -= BlackPawn; // color-flip
12472 reverseBoard[r][f] = piece;
12474 reverseBoard[EP_STATUS-1] = soughtBoard[EP_STATUS-1] ^ 3;
12475 for(r=0; r<6; r++) reverseBoard[CASTLING][r] = boards[currentMove][CASTLING][(r+3)%6];
12476 if(appData.findMirror && appData.searchMode <= 3 && (!nrCastlingRights
12477 || (boards[currentMove][CASTLING][2] == NoRights ||
12478 boards[currentMove][CASTLING][0] == NoRights && boards[currentMove][CASTLING][1] == NoRights )
12479 && (boards[currentMove][CASTLING][5] == NoRights ||
12480 boards[currentMove][CASTLING][3] == NoRights && boards[currentMove][CASTLING][4] == NoRights ) )
12483 CopyBoard(flipBoard, soughtBoard);
12484 CopyBoard(rotateBoard, reverseBoard);
12485 for(r=0; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) {
12486 flipBoard[r][f] = soughtBoard[r][BOARD_WIDTH-1-f];
12487 rotateBoard[r][f] = reverseBoard[r][BOARD_WIDTH-1-f];
12490 for(r=0; r<BlackPawn; r++) maxReverse[r] = maxSought[r+BlackPawn], maxReverse[r+BlackPawn] = maxSought[r];
12491 if(appData.searchMode >= 5) {
12492 for(r=BOARD_HEIGHT/2; r<BOARD_HEIGHT; r++) for(f=BOARD_LEFT; f<BOARD_RGHT; f++) soughtBoard[r][f] = EmptySquare;
12493 MakePieceList(soughtBoard, minSought);
12494 for(r=0; r<BlackPawn; r++) minReverse[r] = minSought[r+BlackPawn], minReverse[r+BlackPawn] = minSought[r];
12496 if(gameInfo.variant == VariantCrazyhouse || gameInfo.variant == VariantShogi || gameInfo.variant == VariantBughouse)
12497 soughtTotal = 0; // in drop games nr of pieces does not fall monotonously
12500 GameInfo dummyInfo;
12501 static int creatingBook;
12504 GameContainsPosition (FILE *f, ListGame *lg)
12506 int next, btm=0, plyNr=0, scratch=forwardMostMove+2&~1;
12507 int fromX, fromY, toX, toY;
12509 static int initDone=FALSE;
12511 // weed out games based on numerical tag comparison
12512 if(lg->gameInfo.variant != gameInfo.variant) return -1; // wrong variant
12513 if(appData.eloThreshold1 && (lg->gameInfo.whiteRating < appData.eloThreshold1 && lg->gameInfo.blackRating < appData.eloThreshold1)) return -1;
12514 if(appData.eloThreshold2 && (lg->gameInfo.whiteRating < appData.eloThreshold2 || lg->gameInfo.blackRating < appData.eloThreshold2)) return -1;
12515 if(appData.dateThreshold && (!lg->gameInfo.date || atoi(lg->gameInfo.date) < appData.dateThreshold)) return -1;
12517 for(next = WhitePawn; next<EmptySquare; next++) keys[next] = random()>>8 ^ random()<<6 ^random()<<20;
12520 if(lg->gameInfo.fen) ParseFEN(boards[scratch], &btm, lg->gameInfo.fen, FALSE);
12521 else CopyBoard(boards[scratch], initialPosition); // default start position
12524 if((next = QuickScan( boards[scratch], &moveDatabase[lg->moves] )) < 0) return -1; // quick scan rules out it is there
12525 if(appData.searchMode >= 4) return next; // for material searches, trust QuickScan.
12528 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12529 fseek(f, lg->offset, 0);
12532 yyboardindex = scratch;
12533 quickFlag = plyNr+1;
12538 if(plyNr) return -1; // after we have seen moves, any tags will be start of next game
12544 if(plyNr) return -1; // after we have seen moves, this is for new game
12547 case AmbiguousMove: // we cannot reconstruct the game beyond these two
12548 case ImpossibleMove:
12549 case WhiteWins: // game ends here with these four
12552 case GameUnfinished:
12556 if(appData.testLegality) return -1;
12557 case WhiteCapturesEnPassant:
12558 case BlackCapturesEnPassant:
12559 case WhitePromotion:
12560 case BlackPromotion:
12561 case WhiteNonPromotion:
12562 case BlackNonPromotion:
12565 case WhiteKingSideCastle:
12566 case WhiteQueenSideCastle:
12567 case BlackKingSideCastle:
12568 case BlackQueenSideCastle:
12569 case WhiteKingSideCastleWild:
12570 case WhiteQueenSideCastleWild:
12571 case BlackKingSideCastleWild:
12572 case BlackQueenSideCastleWild:
12573 case WhiteHSideCastleFR:
12574 case WhiteASideCastleFR:
12575 case BlackHSideCastleFR:
12576 case BlackASideCastleFR:
12577 fromX = currentMoveString[0] - AAA;
12578 fromY = currentMoveString[1] - ONE;
12579 toX = currentMoveString[2] - AAA;
12580 toY = currentMoveString[3] - ONE;
12581 promoChar = currentMoveString[4];
12585 fromX = next == WhiteDrop ?
12586 (int) CharToPiece(ToUpper(currentMoveString[0])) :
12587 (int) CharToPiece(ToLower(currentMoveString[0]));
12589 toX = currentMoveString[2] - AAA;
12590 toY = currentMoveString[3] - ONE;
12594 // Move encountered; peform it. We need to shuttle between two boards, as even/odd index determines side to move
12596 ApplyMove(fromX, fromY, toX, toY, promoChar, boards[scratch]);
12597 if(PositionMatches(boards[scratch], boards[currentMove])) return plyNr;
12598 if(appData.ignoreColors && PositionMatches(boards[scratch], reverseBoard)) return plyNr;
12599 if(appData.findMirror) {
12600 if(PositionMatches(boards[scratch], flipBoard)) return plyNr;
12601 if(appData.ignoreColors && PositionMatches(boards[scratch], rotateBoard)) return plyNr;
12606 /* Load the nth game from open file f */
12608 LoadGame (FILE *f, int gameNumber, char *title, int useList)
12612 int gn = gameNumber;
12613 ListGame *lg = NULL;
12614 int numPGNTags = 0;
12616 GameMode oldGameMode;
12617 VariantClass oldVariant = gameInfo.variant; /* [HGM] PGNvariant */
12619 if (appData.debugMode)
12620 fprintf(debugFP, "LoadGame(): on entry, gameMode %d\n", gameMode);
12622 if (gameMode == Training )
12623 SetTrainingModeOff();
12625 oldGameMode = gameMode;
12626 if (gameMode != BeginningOfGame) {
12627 Reset(FALSE, TRUE);
12629 killX = killY = -1; // [HGM] lion: in case we did not Reset
12632 if (lastLoadGameFP != NULL && lastLoadGameFP != f) {
12633 fclose(lastLoadGameFP);
12637 lg = (ListGame *) ListElem(&gameList, gameNumber-1);
12640 fseek(f, lg->offset, 0);
12641 GameListHighlight(gameNumber);
12642 pos = lg->position;
12646 if(oldGameMode == AnalyzeFile && appData.loadGameIndex == -1)
12647 appData.loadGameIndex = 0; // [HGM] suppress error message if we reach file end after auto-stepping analysis
12649 DisplayError(_("Game number out of range"), 0);
12654 if (fseek(f, 0, 0) == -1) {
12655 if (f == lastLoadGameFP ?
12656 gameNumber == lastLoadGameNumber + 1 :
12660 DisplayError(_("Can't seek on game file"), 0);
12665 lastLoadGameFP = f;
12666 lastLoadGameNumber = gameNumber;
12667 safeStrCpy(lastLoadGameTitle, title, sizeof(lastLoadGameTitle)/sizeof(lastLoadGameTitle[0]));
12668 lastLoadGameUseList = useList;
12672 if (lg && lg->gameInfo.white && lg->gameInfo.black) {
12673 snprintf(buf, sizeof(buf), "%s %s %s", lg->gameInfo.white, _("vs."),
12674 lg->gameInfo.black);
12676 } else if (*title != NULLCHAR) {
12677 if (gameNumber > 1) {
12678 snprintf(buf, MSG_SIZ, "%s %d", title, gameNumber);
12681 DisplayTitle(title);
12685 if (gameMode != AnalyzeFile && gameMode != AnalyzeMode) {
12686 gameMode = PlayFromGameFile;
12690 currentMove = forwardMostMove = backwardMostMove = 0;
12691 CopyBoard(boards[0], initialPosition);
12695 * Skip the first gn-1 games in the file.
12696 * Also skip over anything that precedes an identifiable
12697 * start of game marker, to avoid being confused by
12698 * garbage at the start of the file. Currently
12699 * recognized start of game markers are the move number "1",
12700 * the pattern "gnuchess .* game", the pattern
12701 * "^[#;%] [^ ]* game file", and a PGN tag block.
12702 * A game that starts with one of the latter two patterns
12703 * will also have a move number 1, possibly
12704 * following a position diagram.
12705 * 5-4-02: Let's try being more lenient and allowing a game to
12706 * start with an unnumbered move. Does that break anything?
12708 cm = lastLoadGameStart = EndOfFile;
12710 yyboardindex = forwardMostMove;
12711 cm = (ChessMove) Myylex();
12714 if (cmailMsgLoaded) {
12715 nCmailGames = CMAIL_MAX_GAMES - gn;
12718 DisplayError(_("Game not found in file"), 0);
12725 lastLoadGameStart = cm;
12728 case MoveNumberOne:
12729 switch (lastLoadGameStart) {
12734 case MoveNumberOne:
12736 gn--; /* count this game */
12737 lastLoadGameStart = cm;
12746 switch (lastLoadGameStart) {
12749 case MoveNumberOne:
12751 gn--; /* count this game */
12752 lastLoadGameStart = cm;
12755 lastLoadGameStart = cm; /* game counted already */
12763 yyboardindex = forwardMostMove;
12764 cm = (ChessMove) Myylex();
12765 } while (cm == PGNTag || cm == Comment);
12772 if (cmailMsgLoaded && (CMAIL_MAX_GAMES == lastLoadGameNumber)) {
12773 if ( cmailResult[CMAIL_MAX_GAMES - gn - 1]
12774 != CMAIL_OLD_RESULT) {
12776 cmailResult[ CMAIL_MAX_GAMES
12777 - gn - 1] = CMAIL_OLD_RESULT;
12784 /* Only a NormalMove can be at the start of a game
12785 * without a position diagram. */
12786 if (lastLoadGameStart == EndOfFile ) {
12788 lastLoadGameStart = MoveNumberOne;
12797 if (appData.debugMode)
12798 fprintf(debugFP, "Parsed game start '%s' (%d)\n", yy_text, (int) cm);
12800 if (cm == XBoardGame) {
12801 /* Skip any header junk before position diagram and/or move 1 */
12803 yyboardindex = forwardMostMove;
12804 cm = (ChessMove) Myylex();
12806 if (cm == EndOfFile ||
12807 cm == GNUChessGame || cm == XBoardGame) {
12808 /* Empty game; pretend end-of-file and handle later */
12813 if (cm == MoveNumberOne || cm == PositionDiagram ||
12814 cm == PGNTag || cm == Comment)
12817 } else if (cm == GNUChessGame) {
12818 if (gameInfo.event != NULL) {
12819 free(gameInfo.event);
12821 gameInfo.event = StrSave(yy_text);
12824 startedFromSetupPosition = FALSE;
12825 while (cm == PGNTag) {
12826 if (appData.debugMode)
12827 fprintf(debugFP, "Parsed PGNTag: %s\n", yy_text);
12828 err = ParsePGNTag(yy_text, &gameInfo);
12829 if (!err) numPGNTags++;
12831 /* [HGM] PGNvariant: automatically switch to variant given in PGN tag */
12832 if(gameInfo.variant != oldVariant) {
12833 startedFromPositionFile = FALSE; /* [HGM] loadPos: variant switch likely makes position invalid */
12834 ResetFrontEnd(); // [HGM] might need other bitmaps. Cannot use Reset() because it clears gameInfo :-(
12835 InitPosition(TRUE);
12836 oldVariant = gameInfo.variant;
12837 if (appData.debugMode)
12838 fprintf(debugFP, "New variant %d\n", (int) oldVariant);
12842 if (gameInfo.fen != NULL) {
12843 Board initial_position;
12844 startedFromSetupPosition = TRUE;
12845 if (!ParseFEN(initial_position, &blackPlaysFirst, gameInfo.fen, TRUE)) {
12847 DisplayError(_("Bad FEN position in file"), 0);
12850 CopyBoard(boards[0], initial_position);
12851 if (blackPlaysFirst) {
12852 currentMove = forwardMostMove = backwardMostMove = 1;
12853 CopyBoard(boards[1], initial_position);
12854 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12855 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12856 timeRemaining[0][1] = whiteTimeRemaining;
12857 timeRemaining[1][1] = blackTimeRemaining;
12858 if (commentList[0] != NULL) {
12859 commentList[1] = commentList[0];
12860 commentList[0] = NULL;
12863 currentMove = forwardMostMove = backwardMostMove = 0;
12865 /* [HGM] copy FEN attributes as well. Bugfix 4.3.14m and 4.3.15e: moved to after 'blackPlaysFirst' */
12867 initialRulePlies = FENrulePlies;
12868 for( i=0; i< nrCastlingRights; i++ )
12869 initialRights[i] = initial_position[CASTLING][i];
12871 yyboardindex = forwardMostMove;
12872 free(gameInfo.fen);
12873 gameInfo.fen = NULL;
12876 yyboardindex = forwardMostMove;
12877 cm = (ChessMove) Myylex();
12879 /* Handle comments interspersed among the tags */
12880 while (cm == Comment) {
12882 if (appData.debugMode)
12883 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12885 AppendComment(currentMove, p, FALSE);
12886 yyboardindex = forwardMostMove;
12887 cm = (ChessMove) Myylex();
12891 /* don't rely on existence of Event tag since if game was
12892 * pasted from clipboard the Event tag may not exist
12894 if (numPGNTags > 0){
12896 if (gameInfo.variant == VariantNormal) {
12897 VariantClass v = StringToVariant(gameInfo.event);
12898 // [HGM] do not recognize variants from event tag that were introduced after supporting variant tag
12899 if(v < VariantShogi) gameInfo.variant = v;
12902 if( appData.autoDisplayTags ) {
12903 tags = PGNTags(&gameInfo);
12904 TagsPopUp(tags, CmailMsg());
12909 /* Make something up, but don't display it now */
12914 if (cm == PositionDiagram) {
12917 Board initial_position;
12919 if (appData.debugMode)
12920 fprintf(debugFP, "Parsed PositionDiagram: %s\n", yy_text);
12922 if (!startedFromSetupPosition) {
12924 for (i = BOARD_HEIGHT - 1; i >= 0; i--)
12925 for (j = BOARD_LEFT; j < BOARD_RGHT; p++)
12936 initial_position[i][j++] = CharToPiece(*p);
12939 while (*p == ' ' || *p == '\t' ||
12940 *p == '\n' || *p == '\r') p++;
12942 if (strncmp(p, "black", strlen("black"))==0)
12943 blackPlaysFirst = TRUE;
12945 blackPlaysFirst = FALSE;
12946 startedFromSetupPosition = TRUE;
12948 CopyBoard(boards[0], initial_position);
12949 if (blackPlaysFirst) {
12950 currentMove = forwardMostMove = backwardMostMove = 1;
12951 CopyBoard(boards[1], initial_position);
12952 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
12953 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
12954 timeRemaining[0][1] = whiteTimeRemaining;
12955 timeRemaining[1][1] = blackTimeRemaining;
12956 if (commentList[0] != NULL) {
12957 commentList[1] = commentList[0];
12958 commentList[0] = NULL;
12961 currentMove = forwardMostMove = backwardMostMove = 0;
12964 yyboardindex = forwardMostMove;
12965 cm = (ChessMove) Myylex();
12968 if(!creatingBook) {
12969 if (first.pr == NoProc) {
12970 StartChessProgram(&first);
12972 InitChessProgram(&first, FALSE);
12973 SendToProgram("force\n", &first);
12974 if (startedFromSetupPosition) {
12975 SendBoard(&first, forwardMostMove);
12976 if (appData.debugMode) {
12977 fprintf(debugFP, "Load Game\n");
12979 DisplayBothClocks();
12983 /* [HGM] server: flag to write setup moves in broadcast file as one */
12984 loadFlag = appData.suppressLoadMoves;
12986 while (cm == Comment) {
12988 if (appData.debugMode)
12989 fprintf(debugFP, "Parsed Comment: %s\n", yy_text);
12991 AppendComment(currentMove, p, FALSE);
12992 yyboardindex = forwardMostMove;
12993 cm = (ChessMove) Myylex();
12996 if ((cm == EndOfFile && lastLoadGameStart != EndOfFile ) ||
12997 cm == WhiteWins || cm == BlackWins ||
12998 cm == GameIsDrawn || cm == GameUnfinished) {
12999 DisplayMessage("", _("No moves in game"));
13000 if (cmailMsgLoaded) {
13001 if (appData.debugMode)
13002 fprintf(debugFP, "Setting flipView to %d.\n", FALSE);
13006 DrawPosition(FALSE, boards[currentMove]);
13007 DisplayBothClocks();
13008 gameMode = EditGame;
13015 // [HGM] PV info: routine tests if comment empty
13016 if (!matchMode && (pausing || appData.timeDelay != 0)) {
13017 DisplayComment(currentMove - 1, commentList[currentMove]);
13019 if (!matchMode && appData.timeDelay != 0)
13020 DrawPosition(FALSE, boards[currentMove]);
13022 if (gameMode == AnalyzeFile || gameMode == AnalyzeMode) {
13023 programStats.ok_to_send = 1;
13026 /* if the first token after the PGN tags is a move
13027 * and not move number 1, retrieve it from the parser
13029 if (cm != MoveNumberOne)
13030 LoadGameOneMove(cm);
13032 /* load the remaining moves from the file */
13033 while (LoadGameOneMove(EndOfFile)) {
13034 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
13035 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
13038 /* rewind to the start of the game */
13039 currentMove = backwardMostMove;
13041 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
13043 if (oldGameMode == AnalyzeFile) {
13044 appData.loadGameIndex = -1; // [HGM] order auto-stepping through games
13045 AnalyzeFileEvent();
13047 if (oldGameMode == AnalyzeMode) {
13048 AnalyzeFileEvent();
13051 if(gameInfo.result == GameUnfinished && gameInfo.resultDetails && appData.clockMode) {
13052 long int w, b; // [HGM] adjourn: restore saved clock times
13053 char *p = strstr(gameInfo.resultDetails, "(Clocks:");
13054 if(p && sscanf(p+8, "%ld,%ld", &w, &b) == 2) {
13055 timeRemaining[0][forwardMostMove] = whiteTimeRemaining = 1000*w + 500;
13056 timeRemaining[1][forwardMostMove] = blackTimeRemaining = 1000*b + 500;
13060 if(creatingBook) return TRUE;
13061 if (!matchMode && pos > 0) {
13062 ToNrEvent(pos); // [HGM] no autoplay if selected on position
13064 if (matchMode || appData.timeDelay == 0) {
13066 } else if (appData.timeDelay > 0) {
13067 AutoPlayGameLoop();
13070 if (appData.debugMode)
13071 fprintf(debugFP, "LoadGame(): on exit, gameMode %d\n", gameMode);
13073 loadFlag = 0; /* [HGM] true game starts */
13077 /* Support for LoadNextPosition, LoadPreviousPosition, ReloadSamePosition */
13079 ReloadPosition (int offset)
13081 int positionNumber = lastLoadPositionNumber + offset;
13082 if (lastLoadPositionFP == NULL) {
13083 DisplayError(_("No position has been loaded yet"), 0);
13086 if (positionNumber <= 0) {
13087 DisplayError(_("Can't back up any further"), 0);
13090 return LoadPosition(lastLoadPositionFP, positionNumber,
13091 lastLoadPositionTitle);
13094 /* Load the nth position from the given file */
13096 LoadPositionFromFile (char *filename, int n, char *title)
13101 if (strcmp(filename, "-") == 0) {
13102 return LoadPosition(stdin, n, "stdin");
13104 f = fopen(filename, "rb");
13106 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13107 DisplayError(buf, errno);
13110 return LoadPosition(f, n, title);
13115 /* Load the nth position from the given open file, and close it */
13117 LoadPosition (FILE *f, int positionNumber, char *title)
13119 char *p, line[MSG_SIZ];
13120 Board initial_position;
13121 int i, j, fenMode, pn;
13123 if (gameMode == Training )
13124 SetTrainingModeOff();
13126 if (gameMode != BeginningOfGame) {
13127 Reset(FALSE, TRUE);
13129 if (lastLoadPositionFP != NULL && lastLoadPositionFP != f) {
13130 fclose(lastLoadPositionFP);
13132 if (positionNumber == 0) positionNumber = 1;
13133 lastLoadPositionFP = f;
13134 lastLoadPositionNumber = positionNumber;
13135 safeStrCpy(lastLoadPositionTitle, title, sizeof(lastLoadPositionTitle)/sizeof(lastLoadPositionTitle[0]));
13136 if (first.pr == NoProc && !appData.noChessProgram) {
13137 StartChessProgram(&first);
13138 InitChessProgram(&first, FALSE);
13140 pn = positionNumber;
13141 if (positionNumber < 0) {
13142 /* Negative position number means to seek to that byte offset */
13143 if (fseek(f, -positionNumber, 0) == -1) {
13144 DisplayError(_("Can't seek on position file"), 0);
13149 if (fseek(f, 0, 0) == -1) {
13150 if (f == lastLoadPositionFP ?
13151 positionNumber == lastLoadPositionNumber + 1 :
13152 positionNumber == 1) {
13155 DisplayError(_("Can't seek on position file"), 0);
13160 /* See if this file is FEN or old-style xboard */
13161 if (fgets(line, MSG_SIZ, f) == NULL) {
13162 DisplayError(_("Position not found in file"), 0);
13165 // [HGM] FEN can begin with digit, any piece letter valid in this variant, or a + for Shogi promoted pieces
13166 fenMode = line[0] >= '0' && line[0] <= '9' || line[0] == '+' || CharToPiece(line[0]) != EmptySquare;
13169 if (fenMode || line[0] == '#') pn--;
13171 /* skip positions before number pn */
13172 if (fgets(line, MSG_SIZ, f) == NULL) {
13174 DisplayError(_("Position not found in file"), 0);
13177 if (fenMode || line[0] == '#') pn--;
13182 if (!ParseFEN(initial_position, &blackPlaysFirst, line, TRUE)) {
13183 DisplayError(_("Bad FEN position in file"), 0);
13187 (void) fgets(line, MSG_SIZ, f);
13188 (void) fgets(line, MSG_SIZ, f);
13190 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
13191 (void) fgets(line, MSG_SIZ, f);
13192 for (p = line, j = BOARD_LEFT; j < BOARD_RGHT; p++) {
13195 initial_position[i][j++] = CharToPiece(*p);
13199 blackPlaysFirst = FALSE;
13201 (void) fgets(line, MSG_SIZ, f);
13202 if (strncmp(line, "black", strlen("black"))==0)
13203 blackPlaysFirst = TRUE;
13206 startedFromSetupPosition = TRUE;
13208 CopyBoard(boards[0], initial_position);
13209 if (blackPlaysFirst) {
13210 currentMove = forwardMostMove = backwardMostMove = 1;
13211 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
13212 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
13213 CopyBoard(boards[1], initial_position);
13214 DisplayMessage("", _("Black to play"));
13216 currentMove = forwardMostMove = backwardMostMove = 0;
13217 DisplayMessage("", _("White to play"));
13219 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
13220 if(first.pr != NoProc) { // [HGM] in tourney-mode a position can be loaded before the chess engine is installed
13221 SendToProgram("force\n", &first);
13222 SendBoard(&first, forwardMostMove);
13224 if (appData.debugMode) {
13226 for(i=0;i<2;i++){for(j=0;j<6;j++)fprintf(debugFP, " %d", boards[i][CASTLING][j]);fprintf(debugFP,"\n");}
13227 for(j=0;j<6;j++)fprintf(debugFP, " %d", initialRights[j]);fprintf(debugFP,"\n");
13228 fprintf(debugFP, "Load Position\n");
13231 if (positionNumber > 1) {
13232 snprintf(line, MSG_SIZ, "%s %d", title, positionNumber);
13233 DisplayTitle(line);
13235 DisplayTitle(title);
13237 gameMode = EditGame;
13240 timeRemaining[0][1] = whiteTimeRemaining;
13241 timeRemaining[1][1] = blackTimeRemaining;
13242 DrawPosition(FALSE, boards[currentMove]);
13249 CopyPlayerNameIntoFileName (char **dest, char *src)
13251 while (*src != NULLCHAR && *src != ',') {
13256 *(*dest)++ = *src++;
13262 DefaultFileName (char *ext)
13264 static char def[MSG_SIZ];
13267 if (gameInfo.white != NULL && gameInfo.white[0] != '-') {
13269 CopyPlayerNameIntoFileName(&p, gameInfo.white);
13271 CopyPlayerNameIntoFileName(&p, gameInfo.black);
13273 safeStrCpy(p, ext, MSG_SIZ-2-strlen(gameInfo.white)-strlen(gameInfo.black));
13280 /* Save the current game to the given file */
13282 SaveGameToFile (char *filename, int append)
13286 int result, i, t,tot=0;
13288 if (strcmp(filename, "-") == 0) {
13289 return SaveGame(stdout, 0, NULL);
13291 for(i=0; i<10; i++) { // upto 10 tries
13292 f = fopen(filename, append ? "a" : "w");
13293 if(f && i) fprintf(f, "[Delay \"%d retries, %d msec\"]\n",i,tot);
13294 if(f || errno != 13) break;
13295 DoSleep(t = 5 + random()%11); // wait 5-15 msec
13299 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13300 DisplayError(buf, errno);
13303 safeStrCpy(buf, lastMsg, MSG_SIZ);
13304 DisplayMessage(_("Waiting for access to save file"), "");
13305 flock(fileno(f), LOCK_EX); // [HGM] lock: lock file while we are writing
13306 DisplayMessage(_("Saving game"), "");
13307 if(lseek(fileno(f), 0, SEEK_END) == -1) DisplayError(_("Bad Seek"), errno); // better safe than sorry...
13308 result = SaveGame(f, 0, NULL);
13309 DisplayMessage(buf, "");
13316 SavePart (char *str)
13318 static char buf[MSG_SIZ];
13321 p = strchr(str, ' ');
13322 if (p == NULL) return str;
13323 strncpy(buf, str, p - str);
13324 buf[p - str] = NULLCHAR;
13328 #define PGN_MAX_LINE 75
13330 #define PGN_SIDE_WHITE 0
13331 #define PGN_SIDE_BLACK 1
13334 FindFirstMoveOutOfBook (int side)
13338 if( backwardMostMove == 0 && ! startedFromSetupPosition) {
13339 int index = backwardMostMove;
13340 int has_book_hit = 0;
13342 if( (index % 2) != side ) {
13346 while( index < forwardMostMove ) {
13347 /* Check to see if engine is in book */
13348 int depth = pvInfoList[index].depth;
13349 int score = pvInfoList[index].score;
13355 else if( score == 0 && depth == 63 ) {
13356 in_book = 1; /* Zappa */
13358 else if( score == 2 && depth == 99 ) {
13359 in_book = 1; /* Abrok */
13362 has_book_hit += in_book;
13378 GetOutOfBookInfo (char * buf)
13382 int offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13384 oob[0] = FindFirstMoveOutOfBook( PGN_SIDE_WHITE );
13385 oob[1] = FindFirstMoveOutOfBook( PGN_SIDE_BLACK );
13389 if( oob[0] >= 0 || oob[1] >= 0 ) {
13390 for( i=0; i<2; i++ ) {
13394 if( i > 0 && oob[0] >= 0 ) {
13395 strcat( buf, " " );
13398 sprintf( buf+strlen(buf), "%d%s. ", (idx - offset)/2 + 1, idx & 1 ? ".." : "" );
13399 sprintf( buf+strlen(buf), "%s%.2f",
13400 pvInfoList[idx].score >= 0 ? "+" : "",
13401 pvInfoList[idx].score / 100.0 );
13407 /* Save game in PGN style */
13409 SaveGamePGN2 (FILE *f)
13411 int i, offset, linelen, newblock;
13414 int movelen, numlen, blank;
13415 char move_buffer[100]; /* [AS] Buffer for move+PV info */
13417 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13419 PrintPGNTags(f, &gameInfo);
13421 if(appData.numberTag && matchMode) fprintf(f, "[Number \"%d\"]\n", nextGame+1); // [HGM] number tag
13423 if (backwardMostMove > 0 || startedFromSetupPosition) {
13424 char *fen = PositionToFEN(backwardMostMove, NULL, 1);
13425 fprintf(f, "[FEN \"%s\"]\n[SetUp \"1\"]\n", fen);
13426 fprintf(f, "\n{--------------\n");
13427 PrintPosition(f, backwardMostMove);
13428 fprintf(f, "--------------}\n");
13432 /* [AS] Out of book annotation */
13433 if( appData.saveOutOfBookInfo ) {
13436 GetOutOfBookInfo( buf );
13438 if( buf[0] != '\0' ) {
13439 fprintf( f, "[%s \"%s\"]\n", PGN_OUT_OF_BOOK, buf );
13446 i = backwardMostMove;
13450 while (i < forwardMostMove) {
13451 /* Print comments preceding this move */
13452 if (commentList[i] != NULL) {
13453 if (linelen > 0) fprintf(f, "\n");
13454 fprintf(f, "%s", commentList[i]);
13459 /* Format move number */
13461 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]),"%d.", (i - offset)/2 + 1);
13464 snprintf(numtext, sizeof(numtext)/sizeof(numtext[0]), "%d...", (i - offset)/2 + 1);
13466 numtext[0] = NULLCHAR;
13468 numlen = strlen(numtext);
13471 /* Print move number */
13472 blank = linelen > 0 && numlen > 0;
13473 if (linelen + (blank ? 1 : 0) + numlen > PGN_MAX_LINE) {
13482 fprintf(f, "%s", numtext);
13486 safeStrCpy(move_buffer, SavePart(parseList[i]), sizeof(move_buffer)/sizeof(move_buffer[0])); // [HGM] pgn: print move via buffer, so it can be edited
13487 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point before move */
13490 blank = linelen > 0 && movelen > 0;
13491 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13500 fprintf(f, "%s", move_buffer);
13501 linelen += movelen;
13503 /* [AS] Add PV info if present */
13504 if( i >= 0 && appData.saveExtendedInfoInPGN && pvInfoList[i].depth > 0 ) {
13505 /* [HGM] add time */
13506 char buf[MSG_SIZ]; int seconds;
13508 seconds = (pvInfoList[i].time+5)/10; // deci-seconds, rounded to nearest
13514 snprintf(buf, MSG_SIZ, " %3.1f%c", seconds/10., 0);
13517 seconds = (seconds + 4)/10; // round to full seconds
13519 snprintf(buf, MSG_SIZ, " %d%c", seconds, 0);
13521 snprintf(buf, MSG_SIZ, " %d:%02d%c", seconds/60, seconds%60, 0);
13524 snprintf( move_buffer, sizeof(move_buffer)/sizeof(move_buffer[0]),"{%s%.2f/%d%s}",
13525 pvInfoList[i].score >= 0 ? "+" : "",
13526 pvInfoList[i].score / 100.0,
13527 pvInfoList[i].depth,
13530 movelen = strlen(move_buffer); /* [HGM] pgn: line-break point after move */
13532 /* Print score/depth */
13533 blank = linelen > 0 && movelen > 0;
13534 if (linelen + (blank ? 1 : 0) + movelen > PGN_MAX_LINE) {
13543 fprintf(f, "%s", move_buffer);
13544 linelen += movelen;
13550 /* Start a new line */
13551 if (linelen > 0) fprintf(f, "\n");
13553 /* Print comments after last move */
13554 if (commentList[i] != NULL) {
13555 fprintf(f, "%s\n", commentList[i]);
13559 if (gameInfo.resultDetails != NULL &&
13560 gameInfo.resultDetails[0] != NULLCHAR) {
13561 char buf[MSG_SIZ], *p = gameInfo.resultDetails;
13562 if(gameInfo.result == GameUnfinished && appData.clockMode &&
13563 (gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay)) // [HGM] adjourn: save clock settings
13564 snprintf(buf, MSG_SIZ, "%s (Clocks: %ld, %ld)", p, whiteTimeRemaining/1000, blackTimeRemaining/1000), p = buf;
13565 fprintf(f, "{%s} %s\n\n", p, PGNResult(gameInfo.result));
13567 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13571 /* Save game in PGN style and close the file */
13573 SaveGamePGN (FILE *f)
13577 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13581 /* Save game in old style and close the file */
13583 SaveGameOldStyle (FILE *f)
13588 tm = time((time_t *) NULL);
13590 fprintf(f, "# %s game file -- %s", programName, ctime(&tm));
13593 if (backwardMostMove > 0 || startedFromSetupPosition) {
13594 fprintf(f, "\n[--------------\n");
13595 PrintPosition(f, backwardMostMove);
13596 fprintf(f, "--------------]\n");
13601 i = backwardMostMove;
13602 offset = backwardMostMove & (~1L); /* output move numbers start at 1 */
13604 while (i < forwardMostMove) {
13605 if (commentList[i] != NULL) {
13606 fprintf(f, "[%s]\n", commentList[i]);
13609 if ((i % 2) == 1) {
13610 fprintf(f, "%d. ... %s\n", (i - offset)/2 + 1, parseList[i]);
13613 fprintf(f, "%d. %s ", (i - offset)/2 + 1, parseList[i]);
13615 if (commentList[i] != NULL) {
13619 if (i >= forwardMostMove) {
13623 fprintf(f, "%s\n", parseList[i]);
13628 if (commentList[i] != NULL) {
13629 fprintf(f, "[%s]\n", commentList[i]);
13632 /* This isn't really the old style, but it's close enough */
13633 if (gameInfo.resultDetails != NULL &&
13634 gameInfo.resultDetails[0] != NULLCHAR) {
13635 fprintf(f, "%s (%s)\n\n", PGNResult(gameInfo.result),
13636 gameInfo.resultDetails);
13638 fprintf(f, "%s\n\n", PGNResult(gameInfo.result));
13645 /* Save the current game to open file f and close the file */
13647 SaveGame (FILE *f, int dummy, char *dummy2)
13649 if (gameMode == EditPosition) EditPositionDone(TRUE);
13650 lastSavedGame = GameCheckSum(); // [HGM] save: remember ID of last saved game to prevent double saving
13651 if (appData.oldSaveStyle)
13652 return SaveGameOldStyle(f);
13654 return SaveGamePGN(f);
13657 /* Save the current position to the given file */
13659 SavePositionToFile (char *filename)
13664 if (strcmp(filename, "-") == 0) {
13665 return SavePosition(stdout, 0, NULL);
13667 f = fopen(filename, "a");
13669 snprintf(buf, sizeof(buf), _("Can't open \"%s\""), filename);
13670 DisplayError(buf, errno);
13673 safeStrCpy(buf, lastMsg, MSG_SIZ);
13674 DisplayMessage(_("Waiting for access to save file"), "");
13675 flock(fileno(f), LOCK_EX); // [HGM] lock
13676 DisplayMessage(_("Saving position"), "");
13677 lseek(fileno(f), 0, SEEK_END); // better safe than sorry...
13678 SavePosition(f, 0, NULL);
13679 DisplayMessage(buf, "");
13685 /* Save the current position to the given open file and close the file */
13687 SavePosition (FILE *f, int dummy, char *dummy2)
13692 if (gameMode == EditPosition) EditPositionDone(TRUE);
13693 if (appData.oldSaveStyle) {
13694 tm = time((time_t *) NULL);
13696 fprintf(f, "# %s position file -- %s", programName, ctime(&tm));
13698 fprintf(f, "[--------------\n");
13699 PrintPosition(f, currentMove);
13700 fprintf(f, "--------------]\n");
13702 fen = PositionToFEN(currentMove, NULL, 1);
13703 fprintf(f, "%s\n", fen);
13711 ReloadCmailMsgEvent (int unregister)
13714 static char *inFilename = NULL;
13715 static char *outFilename;
13717 struct stat inbuf, outbuf;
13720 /* Any registered moves are unregistered if unregister is set, */
13721 /* i.e. invoked by the signal handler */
13723 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13724 cmailMoveRegistered[i] = FALSE;
13725 if (cmailCommentList[i] != NULL) {
13726 free(cmailCommentList[i]);
13727 cmailCommentList[i] = NULL;
13730 nCmailMovesRegistered = 0;
13733 for (i = 0; i < CMAIL_MAX_GAMES; i ++) {
13734 cmailResult[i] = CMAIL_NOT_RESULT;
13738 if (inFilename == NULL) {
13739 /* Because the filenames are static they only get malloced once */
13740 /* and they never get freed */
13741 inFilename = (char *) malloc(strlen(appData.cmailGameName) + 9);
13742 sprintf(inFilename, "%s.game.in", appData.cmailGameName);
13744 outFilename = (char *) malloc(strlen(appData.cmailGameName) + 5);
13745 sprintf(outFilename, "%s.out", appData.cmailGameName);
13748 status = stat(outFilename, &outbuf);
13750 cmailMailedMove = FALSE;
13752 status = stat(inFilename, &inbuf);
13753 cmailMailedMove = (inbuf.st_mtime < outbuf.st_mtime);
13756 /* LoadGameFromFile(CMAIL_MAX_GAMES) with cmailMsgLoaded == TRUE
13757 counts the games, notes how each one terminated, etc.
13759 It would be nice to remove this kludge and instead gather all
13760 the information while building the game list. (And to keep it
13761 in the game list nodes instead of having a bunch of fixed-size
13762 parallel arrays.) Note this will require getting each game's
13763 termination from the PGN tags, as the game list builder does
13764 not process the game moves. --mann
13766 cmailMsgLoaded = TRUE;
13767 LoadGameFromFile(inFilename, CMAIL_MAX_GAMES, "", FALSE);
13769 /* Load first game in the file or popup game menu */
13770 LoadGameFromFile(inFilename, 0, appData.cmailGameName, TRUE);
13772 #endif /* !WIN32 */
13780 char string[MSG_SIZ];
13782 if ( cmailMailedMove
13783 || (cmailResult[lastLoadGameNumber - 1] == CMAIL_OLD_RESULT)) {
13784 return TRUE; /* Allow free viewing */
13787 /* Unregister move to ensure that we don't leave RegisterMove */
13788 /* with the move registered when the conditions for registering no */
13790 if (cmailMoveRegistered[lastLoadGameNumber - 1]) {
13791 cmailMoveRegistered[lastLoadGameNumber - 1] = FALSE;
13792 nCmailMovesRegistered --;
13794 if (cmailCommentList[lastLoadGameNumber - 1] != NULL)
13796 free(cmailCommentList[lastLoadGameNumber - 1]);
13797 cmailCommentList[lastLoadGameNumber - 1] = NULL;
13801 if (cmailOldMove == -1) {
13802 DisplayError(_("You have edited the game history.\nUse Reload Same Game and make your move again."), 0);
13806 if (currentMove > cmailOldMove + 1) {
13807 DisplayError(_("You have entered too many moves.\nBack up to the correct position and try again."), 0);
13811 if (currentMove < cmailOldMove) {
13812 DisplayError(_("Displayed position is not current.\nStep forward to the correct position and try again."), 0);
13816 if (forwardMostMove > currentMove) {
13817 /* Silently truncate extra moves */
13821 if ( (currentMove == cmailOldMove + 1)
13822 || ( (currentMove == cmailOldMove)
13823 && ( (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_ACCEPT)
13824 || (cmailMoveType[lastLoadGameNumber - 1] == CMAIL_RESIGN)))) {
13825 if (gameInfo.result != GameUnfinished) {
13826 cmailResult[lastLoadGameNumber - 1] = CMAIL_NEW_RESULT;
13829 if (commentList[currentMove] != NULL) {
13830 cmailCommentList[lastLoadGameNumber - 1]
13831 = StrSave(commentList[currentMove]);
13833 safeStrCpy(cmailMove[lastLoadGameNumber - 1], moveList[currentMove - 1], sizeof(cmailMove[lastLoadGameNumber - 1])/sizeof(cmailMove[lastLoadGameNumber - 1][0]));
13835 if (appData.debugMode)
13836 fprintf(debugFP, "Saving %s for game %d\n",
13837 cmailMove[lastLoadGameNumber - 1], lastLoadGameNumber);
13839 snprintf(string, MSG_SIZ, "%s.game.out.%d", appData.cmailGameName, lastLoadGameNumber);
13841 f = fopen(string, "w");
13842 if (appData.oldSaveStyle) {
13843 SaveGameOldStyle(f); /* also closes the file */
13845 snprintf(string, MSG_SIZ, "%s.pos.out", appData.cmailGameName);
13846 f = fopen(string, "w");
13847 SavePosition(f, 0, NULL); /* also closes the file */
13849 fprintf(f, "{--------------\n");
13850 PrintPosition(f, currentMove);
13851 fprintf(f, "--------------}\n\n");
13853 SaveGame(f, 0, NULL); /* also closes the file*/
13856 cmailMoveRegistered[lastLoadGameNumber - 1] = TRUE;
13857 nCmailMovesRegistered ++;
13858 } else if (nCmailGames == 1) {
13859 DisplayError(_("You have not made a move yet"), 0);
13870 static char *partCommandString = "cmail -xv%s -remail -game %s 2>&1";
13871 FILE *commandOutput;
13872 char buffer[MSG_SIZ], msg[MSG_SIZ], string[MSG_SIZ];
13873 int nBytes = 0; /* Suppress warnings on uninitialized variables */
13879 if (! cmailMsgLoaded) {
13880 DisplayError(_("The cmail message is not loaded.\nUse Reload CMail Message and make your move again."), 0);
13884 if (nCmailGames == nCmailResults) {
13885 DisplayError(_("No unfinished games"), 0);
13889 #if CMAIL_PROHIBIT_REMAIL
13890 if (cmailMailedMove) {
13891 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);
13892 DisplayError(msg, 0);
13897 if (! (cmailMailedMove || RegisterMove())) return;
13899 if ( cmailMailedMove
13900 || (nCmailMovesRegistered + nCmailResults == nCmailGames)) {
13901 snprintf(string, MSG_SIZ, partCommandString,
13902 appData.debugMode ? " -v" : "", appData.cmailGameName);
13903 commandOutput = popen(string, "r");
13905 if (commandOutput == NULL) {
13906 DisplayError(_("Failed to invoke cmail"), 0);
13908 for (nBuffers = 0; (! feof(commandOutput)); nBuffers ++) {
13909 nBytes = fread(buffer, 1, MSG_SIZ - 1, commandOutput);
13911 if (nBuffers > 1) {
13912 (void) memcpy(msg, buffer + nBytes, MSG_SIZ - nBytes - 1);
13913 (void) memcpy(msg + MSG_SIZ - nBytes - 1, buffer, nBytes);
13914 nBytes = MSG_SIZ - 1;
13916 (void) memcpy(msg, buffer, nBytes);
13918 *(msg + nBytes) = '\0'; /* \0 for end-of-string*/
13920 if(StrStr(msg, "Mailed cmail message to ") != NULL) {
13921 cmailMailedMove = TRUE; /* Prevent >1 moves */
13924 for (i = 0; i < nCmailGames; i ++) {
13925 if (cmailResult[i] == CMAIL_NOT_RESULT) {
13930 && ( (arcDir = (char *) getenv("CMAIL_ARCDIR"))
13932 snprintf(buffer, MSG_SIZ, "%s/%s.%s.archive",
13934 appData.cmailGameName,
13936 LoadGameFromFile(buffer, 1, buffer, FALSE);
13937 cmailMsgLoaded = FALSE;
13941 DisplayInformation(msg);
13942 pclose(commandOutput);
13945 if ((*cmailMsg) != '\0') {
13946 DisplayInformation(cmailMsg);
13951 #endif /* !WIN32 */
13960 int prependComma = 0;
13962 char string[MSG_SIZ]; /* Space for game-list */
13965 if (!cmailMsgLoaded) return "";
13967 if (cmailMailedMove) {
13968 snprintf(cmailMsg, MSG_SIZ, _("Waiting for reply from opponent\n"));
13970 /* Create a list of games left */
13971 snprintf(string, MSG_SIZ, "[");
13972 for (i = 0; i < nCmailGames; i ++) {
13973 if (! ( cmailMoveRegistered[i]
13974 || (cmailResult[i] == CMAIL_OLD_RESULT))) {
13975 if (prependComma) {
13976 snprintf(number, sizeof(number)/sizeof(number[0]), ",%d", i + 1);
13978 snprintf(number, sizeof(number)/sizeof(number[0]), "%d", i + 1);
13982 strcat(string, number);
13985 strcat(string, "]");
13987 if (nCmailMovesRegistered + nCmailResults == 0) {
13988 switch (nCmailGames) {
13990 snprintf(cmailMsg, MSG_SIZ, _("Still need to make move for game\n"));
13994 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for both games\n"));
13998 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for all %d games\n"),
14003 switch (nCmailGames - nCmailMovesRegistered - nCmailResults) {
14005 snprintf(cmailMsg, MSG_SIZ, _("Still need to make a move for game %s\n"),
14010 if (nCmailResults == nCmailGames) {
14011 snprintf(cmailMsg, MSG_SIZ, _("No unfinished games\n"));
14013 snprintf(cmailMsg, MSG_SIZ, _("Ready to send mail\n"));
14018 snprintf(cmailMsg, MSG_SIZ, _("Still need to make moves for games %s\n"),
14030 if (gameMode == Training)
14031 SetTrainingModeOff();
14034 cmailMsgLoaded = FALSE;
14035 if (appData.icsActive) {
14036 SendToICS(ics_prefix);
14037 SendToICS("refresh\n");
14042 ExitEvent (int status)
14046 /* Give up on clean exit */
14050 /* Keep trying for clean exit */
14054 if (appData.icsActive) printf("\n"); // [HGM] end on new line after closing XBoard
14055 if (appData.icsActive && appData.colorize) Colorize(ColorNone, FALSE);
14057 if (telnetISR != NULL) {
14058 RemoveInputSource(telnetISR);
14060 if (icsPR != NoProc) {
14061 DestroyChildProcess(icsPR, TRUE);
14064 /* [HGM] crash: leave writing PGN and position entirely to GameEnds() */
14065 GameEnds(gameInfo.result, gameInfo.resultDetails==NULL ? "xboard exit" : gameInfo.resultDetails, GE_PLAYER);
14067 /* [HGM] crash: the above GameEnds() is a dud if another one was running */
14068 /* make sure this other one finishes before killing it! */
14069 if(endingGame) { int count = 0;
14070 if(appData.debugMode) fprintf(debugFP, "ExitEvent() during GameEnds(), wait\n");
14071 while(endingGame && count++ < 10) DoSleep(1);
14072 if(appData.debugMode && endingGame) fprintf(debugFP, "GameEnds() seems stuck, proceed exiting\n");
14075 /* Kill off chess programs */
14076 if (first.pr != NoProc) {
14079 DoSleep( appData.delayBeforeQuit );
14080 SendToProgram("quit\n", &first);
14081 DestroyChildProcess(first.pr, 4 + first.useSigterm /* [AS] first.useSigterm */ );
14083 if (second.pr != NoProc) {
14084 DoSleep( appData.delayBeforeQuit );
14085 SendToProgram("quit\n", &second);
14086 DestroyChildProcess(second.pr, 4 + second.useSigterm /* [AS] second.useSigterm */ );
14088 if (first.isr != NULL) {
14089 RemoveInputSource(first.isr);
14091 if (second.isr != NULL) {
14092 RemoveInputSource(second.isr);
14095 if (pairing.pr != NoProc) SendToProgram("quit\n", &pairing);
14096 if (pairing.isr != NULL) RemoveInputSource(pairing.isr);
14098 ShutDownFrontEnd();
14103 PauseEngine (ChessProgramState *cps)
14105 SendToProgram("pause\n", cps);
14110 UnPauseEngine (ChessProgramState *cps)
14112 SendToProgram("resume\n", cps);
14119 if (appData.debugMode)
14120 fprintf(debugFP, "PauseEvent(): pausing %d\n", pausing);
14124 if(stalledEngine) { // [HGM] pause: resume game by releasing withheld move
14126 if(gameMode == TwoMachinesPlay) { // we might have to make the opponent resume pondering
14127 if(stalledEngine->other->pause == 2) UnPauseEngine(stalledEngine->other);
14128 else if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine->other);
14130 if(appData.ponderNextMove) SendToProgram("hard\n", stalledEngine);
14131 HandleMachineMove(stashedInputMove, stalledEngine);
14132 stalledEngine = NULL;
14135 if (gameMode == MachinePlaysWhite ||
14136 gameMode == TwoMachinesPlay ||
14137 gameMode == MachinePlaysBlack) { // the thinking engine must have used pause mode, or it would have been stalledEngine
14138 if(first.pause) UnPauseEngine(&first);
14139 else if(appData.ponderNextMove) SendToProgram("hard\n", &first);
14140 if(second.pause) UnPauseEngine(&second);
14141 else if(gameMode == TwoMachinesPlay && appData.ponderNextMove) SendToProgram("hard\n", &second);
14144 DisplayBothClocks();
14146 if (gameMode == PlayFromGameFile) {
14147 if (appData.timeDelay >= 0)
14148 AutoPlayGameLoop();
14149 } else if (gameMode == IcsExamining && pauseExamInvalid) {
14150 Reset(FALSE, TRUE);
14151 SendToICS(ics_prefix);
14152 SendToICS("refresh\n");
14153 } else if (currentMove < forwardMostMove && gameMode != AnalyzeMode) {
14154 ForwardInner(forwardMostMove);
14156 pauseExamInvalid = FALSE;
14158 switch (gameMode) {
14162 pauseExamForwardMostMove = forwardMostMove;
14163 pauseExamInvalid = FALSE;
14166 case IcsPlayingWhite:
14167 case IcsPlayingBlack:
14171 case PlayFromGameFile:
14172 (void) StopLoadGameTimer();
14176 case BeginningOfGame:
14177 if (appData.icsActive) return;
14178 /* else fall through */
14179 case MachinePlaysWhite:
14180 case MachinePlaysBlack:
14181 case TwoMachinesPlay:
14182 if (forwardMostMove == 0)
14183 return; /* don't pause if no one has moved */
14184 if(gameMode == TwoMachinesPlay) { // [HGM] pause: stop clocks if engine can be paused immediately
14185 ChessProgramState *onMove = (WhiteOnMove(forwardMostMove) == (first.twoMachinesColor[0] == 'w') ? &first : &second);
14186 if(onMove->pause) { // thinking engine can be paused
14187 PauseEngine(onMove); // do it
14188 if(onMove->other->pause) // pondering opponent can always be paused immediately
14189 PauseEngine(onMove->other);
14191 SendToProgram("easy\n", onMove->other);
14193 } else if(appData.ponderNextMove) SendToProgram("easy\n", onMove); // pre-emptively bring out of ponder
14194 } else if(gameMode == (WhiteOnMove(forwardMostMove) ? MachinePlaysWhite : MachinePlaysBlack)) { // engine on move
14196 PauseEngine(&first);
14198 } else if(appData.ponderNextMove) SendToProgram("easy\n", &first); // pre-emptively bring out of ponder
14199 } else { // human on move, pause pondering by either method
14201 PauseEngine(&first);
14202 else if(appData.ponderNextMove)
14203 SendToProgram("easy\n", &first);
14206 // if no immediate pausing is possible, wait for engine to move, and stop clocks then
14216 EditCommentEvent ()
14218 char title[MSG_SIZ];
14220 if (currentMove < 1 || parseList[currentMove - 1][0] == NULLCHAR) {
14221 safeStrCpy(title, _("Edit comment"), sizeof(title)/sizeof(title[0]));
14223 snprintf(title, MSG_SIZ, _("Edit comment on %d.%s%s"), (currentMove - 1) / 2 + 1,
14224 WhiteOnMove(currentMove - 1) ? " " : ".. ",
14225 parseList[currentMove - 1]);
14228 EditCommentPopUp(currentMove, title, commentList[currentMove]);
14235 char *tags = PGNTags(&gameInfo);
14237 EditTagsPopUp(tags, NULL);
14244 if(second.analyzing) {
14245 SendToProgram("exit\n", &second);
14246 second.analyzing = FALSE;
14248 if (second.pr == NoProc) StartChessProgram(&second);
14249 InitChessProgram(&second, FALSE);
14250 FeedMovesToProgram(&second, currentMove);
14252 SendToProgram("analyze\n", &second);
14253 second.analyzing = TRUE;
14257 /* Toggle ShowThinking */
14259 ToggleShowThinking()
14261 appData.showThinking = !appData.showThinking;
14262 ShowThinkingEvent();
14266 AnalyzeModeEvent ()
14270 if (!first.analysisSupport) {
14271 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14272 DisplayError(buf, 0);
14275 /* [DM] icsEngineAnalyze [HGM] This is horrible code; reverse the gameMode and isEngineAnalyze tests! */
14276 if (appData.icsActive) {
14277 if (gameMode != IcsObserving) {
14278 snprintf(buf, MSG_SIZ, _("You are not observing a game"));
14279 DisplayError(buf, 0);
14281 if (appData.icsEngineAnalyze) {
14282 if (appData.debugMode)
14283 fprintf(debugFP, "Found unexpected active ICS engine analyze \n");
14289 /* if enable, user wants to disable icsEngineAnalyze */
14290 if (appData.icsEngineAnalyze) {
14295 appData.icsEngineAnalyze = TRUE;
14296 if (appData.debugMode)
14297 fprintf(debugFP, "ICS engine analyze starting... \n");
14300 if (gameMode == AnalyzeMode) { ToggleSecond(); return 0; }
14301 if (appData.noChessProgram || gameMode == AnalyzeMode)
14304 if (gameMode != AnalyzeFile) {
14305 if (!appData.icsEngineAnalyze) {
14307 if (gameMode != EditGame) return 0;
14309 if (!appData.showThinking) ToggleShowThinking();
14310 ResurrectChessProgram();
14311 SendToProgram("analyze\n", &first);
14312 first.analyzing = TRUE;
14313 /*first.maybeThinking = TRUE;*/
14314 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14315 EngineOutputPopUp();
14317 if (!appData.icsEngineAnalyze) {
14318 gameMode = AnalyzeMode;
14319 ClearEngineOutputPane(0); // [TK] exclude: to print exclusion/multipv header
14325 StartAnalysisClock();
14326 GetTimeMark(&lastNodeCountTime);
14332 AnalyzeFileEvent ()
14334 if (appData.noChessProgram || gameMode == AnalyzeFile)
14337 if (!first.analysisSupport) {
14339 snprintf(buf, sizeof(buf), _("%s does not support analysis"), first.tidy);
14340 DisplayError(buf, 0);
14344 if (gameMode != AnalyzeMode) {
14345 keepInfo = 1; // mere annotating should not alter PGN tags
14348 if (gameMode != EditGame) return;
14349 if (!appData.showThinking) ToggleShowThinking();
14350 ResurrectChessProgram();
14351 SendToProgram("analyze\n", &first);
14352 first.analyzing = TRUE;
14353 /*first.maybeThinking = TRUE;*/
14354 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
14355 EngineOutputPopUp();
14357 gameMode = AnalyzeFile;
14361 StartAnalysisClock();
14362 GetTimeMark(&lastNodeCountTime);
14364 if(appData.timeDelay > 0) StartLoadGameTimer((long)(1000.0f * appData.timeDelay));
14365 AnalysisPeriodicEvent(1);
14369 MachineWhiteEvent ()
14372 char *bookHit = NULL;
14374 if (appData.noChessProgram || (gameMode == MachinePlaysWhite))
14378 if (gameMode == PlayFromGameFile ||
14379 gameMode == TwoMachinesPlay ||
14380 gameMode == Training ||
14381 gameMode == AnalyzeMode ||
14382 gameMode == EndOfGame)
14385 if (gameMode == EditPosition)
14386 EditPositionDone(TRUE);
14388 if (!WhiteOnMove(currentMove)) {
14389 DisplayError(_("It is not White's turn"), 0);
14393 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14396 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14397 gameMode == AnalyzeFile)
14400 ResurrectChessProgram(); /* in case it isn't running */
14401 if(gameMode == BeginningOfGame) { /* [HGM] time odds: to get right odds in human mode */
14402 gameMode = MachinePlaysWhite;
14405 gameMode = MachinePlaysWhite;
14409 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14411 if (first.sendName) {
14412 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.black);
14413 SendToProgram(buf, &first);
14415 if (first.sendTime) {
14416 if (first.useColors) {
14417 SendToProgram("black\n", &first); /*gnu kludge*/
14419 SendTimeRemaining(&first, TRUE);
14421 if (first.useColors) {
14422 SendToProgram("white\n", &first); // [HGM] book: send 'go' separately
14424 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14425 SetMachineThinkingEnables();
14426 first.maybeThinking = TRUE;
14430 if (appData.autoFlipView && !flipView) {
14431 flipView = !flipView;
14432 DrawPosition(FALSE, NULL);
14433 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14436 if(bookHit) { // [HGM] book: simulate book reply
14437 static char bookMove[MSG_SIZ]; // a bit generous?
14439 programStats.nodes = programStats.depth = programStats.time =
14440 programStats.score = programStats.got_only_move = 0;
14441 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14443 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14444 strcat(bookMove, bookHit);
14445 HandleMachineMove(bookMove, &first);
14450 MachineBlackEvent ()
14453 char *bookHit = NULL;
14455 if (appData.noChessProgram || (gameMode == MachinePlaysBlack))
14459 if (gameMode == PlayFromGameFile ||
14460 gameMode == TwoMachinesPlay ||
14461 gameMode == Training ||
14462 gameMode == AnalyzeMode ||
14463 gameMode == EndOfGame)
14466 if (gameMode == EditPosition)
14467 EditPositionDone(TRUE);
14469 if (WhiteOnMove(currentMove)) {
14470 DisplayError(_("It is not Black's turn"), 0);
14474 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile)
14477 if (gameMode == EditGame || gameMode == AnalyzeMode ||
14478 gameMode == AnalyzeFile)
14481 ResurrectChessProgram(); /* in case it isn't running */
14482 gameMode = MachinePlaysBlack;
14486 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14488 if (first.sendName) {
14489 snprintf(buf, MSG_SIZ, "name %s\n", gameInfo.white);
14490 SendToProgram(buf, &first);
14492 if (first.sendTime) {
14493 if (first.useColors) {
14494 SendToProgram("white\n", &first); /*gnu kludge*/
14496 SendTimeRemaining(&first, FALSE);
14498 if (first.useColors) {
14499 SendToProgram("black\n", &first); // [HGM] book: 'go' sent separately
14501 bookHit = SendMoveToBookUser(forwardMostMove-1, &first, TRUE); // [HGM] book: send go or retrieve book move
14502 SetMachineThinkingEnables();
14503 first.maybeThinking = TRUE;
14506 if (appData.autoFlipView && flipView) {
14507 flipView = !flipView;
14508 DrawPosition(FALSE, NULL);
14509 DisplayBothClocks(); // [HGM] logo: clocks might have to be exchanged;
14511 if(bookHit) { // [HGM] book: simulate book reply
14512 static char bookMove[MSG_SIZ]; // a bit generous?
14514 programStats.nodes = programStats.depth = programStats.time =
14515 programStats.score = programStats.got_only_move = 0;
14516 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14518 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14519 strcat(bookMove, bookHit);
14520 HandleMachineMove(bookMove, &first);
14526 DisplayTwoMachinesTitle ()
14529 if (appData.matchGames > 0) {
14530 if(appData.tourneyFile[0]) {
14531 snprintf(buf, MSG_SIZ, "%s %s %s (%d/%d%s)",
14532 gameInfo.white, _("vs."), gameInfo.black,
14533 nextGame+1, appData.matchGames+1,
14534 appData.tourneyType>0 ? "gt" : appData.tourneyType<0 ? "sw" : "rr");
14536 if (first.twoMachinesColor[0] == 'w') {
14537 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14538 gameInfo.white, _("vs."), gameInfo.black,
14539 first.matchWins, second.matchWins,
14540 matchGame - 1 - (first.matchWins + second.matchWins));
14542 snprintf(buf, MSG_SIZ, "%s %s %s (%d-%d-%d)",
14543 gameInfo.white, _("vs."), gameInfo.black,
14544 second.matchWins, first.matchWins,
14545 matchGame - 1 - (first.matchWins + second.matchWins));
14548 snprintf(buf, MSG_SIZ, "%s %s %s", gameInfo.white, _("vs."), gameInfo.black);
14554 SettingsMenuIfReady ()
14556 if (second.lastPing != second.lastPong) {
14557 DisplayMessage("", _("Waiting for second chess program"));
14558 ScheduleDelayedEvent(SettingsMenuIfReady, 10); // [HGM] fast: lowered from 1000
14562 DisplayMessage("", "");
14563 SettingsPopUp(&second);
14567 WaitForEngine (ChessProgramState *cps, DelayedEventCallback retry)
14570 if (cps->pr == NoProc) {
14571 StartChessProgram(cps);
14572 if (cps->protocolVersion == 1) {
14574 ScheduleDelayedEvent(retry, 1); // Do this also through timeout to avoid recursive calling of 'retry'
14576 /* kludge: allow timeout for initial "feature" command */
14577 if(retry != TwoMachinesEventIfReady) FreezeUI();
14578 snprintf(buf, MSG_SIZ, _("Starting %s chess program"), _(cps->which));
14579 DisplayMessage("", buf);
14580 ScheduleDelayedEvent(retry, FEATURE_TIMEOUT);
14588 TwoMachinesEvent P((void))
14592 ChessProgramState *onmove;
14593 char *bookHit = NULL;
14594 static int stalling = 0;
14598 if (appData.noChessProgram) return;
14600 switch (gameMode) {
14601 case TwoMachinesPlay:
14603 case MachinePlaysWhite:
14604 case MachinePlaysBlack:
14605 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
14606 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
14610 case BeginningOfGame:
14611 case PlayFromGameFile:
14614 if (gameMode != EditGame) return;
14617 EditPositionDone(TRUE);
14628 // forwardMostMove = currentMove;
14629 TruncateGame(); // [HGM] vari: MachineWhite and MachineBlack do this...
14630 startingEngine = TRUE;
14632 if(!ResurrectChessProgram()) return; /* in case first program isn't running (unbalances its ping due to InitChessProgram!) */
14634 if(!first.initDone && GetDelayedEvent() == TwoMachinesEventIfReady) return; // [HGM] engine #1 still waiting for feature timeout
14635 if(first.lastPing != first.lastPong) { // [HGM] wait till we are sure first engine has set up position
14636 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14639 if(WaitForEngine(&second, TwoMachinesEventIfReady)) return; // (if needed:) started up second engine, so wait for features
14641 if(!SupportedVariant(second.variants, gameInfo.variant, gameInfo.boardWidth,
14642 gameInfo.boardHeight, gameInfo.holdingsSize, second.protocolVersion, second.tidy)) {
14643 startingEngine = FALSE;
14644 DisplayError("second engine does not play this", 0);
14649 InitChessProgram(&second, FALSE); // unbalances ping of second engine
14650 SendToProgram("force\n", &second);
14652 ScheduleDelayedEvent(TwoMachinesEventIfReady, 10);
14655 GetTimeMark(&now); // [HGM] matchpause: implement match pause after engine load
14656 if(appData.matchPause>10000 || appData.matchPause<10)
14657 appData.matchPause = 10000; /* [HGM] make pause adjustable */
14658 wait = SubtractTimeMarks(&now, &pauseStart);
14659 if(wait < appData.matchPause) {
14660 ScheduleDelayedEvent(TwoMachinesEventIfReady, appData.matchPause - wait);
14663 // we are now committed to starting the game
14665 DisplayMessage("", "");
14666 if (startedFromSetupPosition) {
14667 SendBoard(&second, backwardMostMove);
14668 if (appData.debugMode) {
14669 fprintf(debugFP, "Two Machines\n");
14672 for (i = backwardMostMove; i < forwardMostMove; i++) {
14673 SendMoveToProgram(i, &second);
14676 gameMode = TwoMachinesPlay;
14677 pausing = startingEngine = FALSE;
14678 ModeHighlight(); // [HGM] logo: this triggers display update of logos
14680 DisplayTwoMachinesTitle();
14682 if ((first.twoMachinesColor[0] == 'w') == WhiteOnMove(forwardMostMove)) {
14687 if(appData.debugMode) fprintf(debugFP, "New game (%d): %s-%s (%c)\n", matchGame, first.tidy, second.tidy, first.twoMachinesColor[0]);
14688 SendToProgram(first.computerString, &first);
14689 if (first.sendName) {
14690 snprintf(buf, MSG_SIZ, "name %s\n", second.tidy);
14691 SendToProgram(buf, &first);
14693 SendToProgram(second.computerString, &second);
14694 if (second.sendName) {
14695 snprintf(buf, MSG_SIZ, "name %s\n", first.tidy);
14696 SendToProgram(buf, &second);
14700 if (!first.sendTime || !second.sendTime) {
14701 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14702 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14704 if (onmove->sendTime) {
14705 if (onmove->useColors) {
14706 SendToProgram(onmove->other->twoMachinesColor, onmove); /*gnu kludge*/
14708 SendTimeRemaining(onmove, WhiteOnMove(forwardMostMove));
14710 if (onmove->useColors) {
14711 SendToProgram(onmove->twoMachinesColor, onmove);
14713 bookHit = SendMoveToBookUser(forwardMostMove-1, onmove, TRUE); // [HGM] book: send go or retrieve book move
14714 // SendToProgram("go\n", onmove);
14715 onmove->maybeThinking = TRUE;
14716 SetMachineThinkingEnables();
14720 if(bookHit) { // [HGM] book: simulate book reply
14721 static char bookMove[MSG_SIZ]; // a bit generous?
14723 programStats.nodes = programStats.depth = programStats.time =
14724 programStats.score = programStats.got_only_move = 0;
14725 sprintf(programStats.movelist, "%s (xbook)", bookHit);
14727 safeStrCpy(bookMove, "move ", sizeof(bookMove)/sizeof(bookMove[0]));
14728 strcat(bookMove, bookHit);
14729 savedMessage = bookMove; // args for deferred call
14730 savedState = onmove;
14731 ScheduleDelayedEvent(DeferredBookMove, 1);
14738 if (gameMode == Training) {
14739 SetTrainingModeOff();
14740 gameMode = PlayFromGameFile;
14741 DisplayMessage("", _("Training mode off"));
14743 gameMode = Training;
14744 animateTraining = appData.animate;
14746 /* make sure we are not already at the end of the game */
14747 if (currentMove < forwardMostMove) {
14748 SetTrainingModeOn();
14749 DisplayMessage("", _("Training mode on"));
14751 gameMode = PlayFromGameFile;
14752 DisplayError(_("Already at end of game"), 0);
14761 if (!appData.icsActive) return;
14762 switch (gameMode) {
14763 case IcsPlayingWhite:
14764 case IcsPlayingBlack:
14767 case BeginningOfGame:
14775 EditPositionDone(TRUE);
14788 gameMode = IcsIdle;
14798 switch (gameMode) {
14800 SetTrainingModeOff();
14802 case MachinePlaysWhite:
14803 case MachinePlaysBlack:
14804 case BeginningOfGame:
14805 SendToProgram("force\n", &first);
14806 SetUserThinkingEnables();
14808 case PlayFromGameFile:
14809 (void) StopLoadGameTimer();
14810 if (gameFileFP != NULL) {
14815 EditPositionDone(TRUE);
14820 SendToProgram("force\n", &first);
14822 case TwoMachinesPlay:
14823 GameEnds(EndOfFile, NULL, GE_PLAYER);
14824 ResurrectChessProgram();
14825 SetUserThinkingEnables();
14828 ResurrectChessProgram();
14830 case IcsPlayingBlack:
14831 case IcsPlayingWhite:
14832 DisplayError(_("Warning: You are still playing a game"), 0);
14835 DisplayError(_("Warning: You are still observing a game"), 0);
14838 DisplayError(_("Warning: You are still examining a game"), 0);
14849 first.offeredDraw = second.offeredDraw = 0;
14851 if (gameMode == PlayFromGameFile) {
14852 whiteTimeRemaining = timeRemaining[0][currentMove];
14853 blackTimeRemaining = timeRemaining[1][currentMove];
14857 if (gameMode == MachinePlaysWhite ||
14858 gameMode == MachinePlaysBlack ||
14859 gameMode == TwoMachinesPlay ||
14860 gameMode == EndOfGame) {
14861 i = forwardMostMove;
14862 while (i > currentMove) {
14863 SendToProgram("undo\n", &first);
14866 if(!adjustedClock) {
14867 whiteTimeRemaining = timeRemaining[0][currentMove];
14868 blackTimeRemaining = timeRemaining[1][currentMove];
14869 DisplayBothClocks();
14871 if (whiteFlag || blackFlag) {
14872 whiteFlag = blackFlag = 0;
14877 gameMode = EditGame;
14884 EditPositionEvent ()
14886 if (gameMode == EditPosition) {
14892 if (gameMode != EditGame) return;
14894 gameMode = EditPosition;
14897 if (currentMove > 0)
14898 CopyBoard(boards[0], boards[currentMove]);
14900 blackPlaysFirst = !WhiteOnMove(currentMove);
14902 currentMove = forwardMostMove = backwardMostMove = 0;
14903 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14905 if(!appData.pieceMenu) DisplayMessage(_("Click clock to clear board"), "");
14911 /* [DM] icsEngineAnalyze - possible call from other functions */
14912 if (appData.icsEngineAnalyze) {
14913 appData.icsEngineAnalyze = FALSE;
14915 DisplayMessage("",_("Close ICS engine analyze..."));
14917 if (first.analysisSupport && first.analyzing) {
14918 SendToBoth("exit\n");
14919 first.analyzing = second.analyzing = FALSE;
14921 thinkOutput[0] = NULLCHAR;
14925 EditPositionDone (Boolean fakeRights)
14927 int king = gameInfo.variant == VariantKnightmate ? WhiteUnicorn : WhiteKing;
14929 startedFromSetupPosition = TRUE;
14930 InitChessProgram(&first, FALSE);
14931 if(fakeRights) { // [HGM] suppress this if we just pasted a FEN.
14932 boards[0][EP_STATUS] = EP_NONE;
14933 boards[0][CASTLING][2] = boards[0][CASTLING][5] = BOARD_WIDTH>>1;
14934 if(boards[0][0][BOARD_WIDTH>>1] == king) {
14935 boards[0][CASTLING][1] = boards[0][0][BOARD_LEFT] == WhiteRook ? BOARD_LEFT : NoRights;
14936 boards[0][CASTLING][0] = boards[0][0][BOARD_RGHT-1] == WhiteRook ? BOARD_RGHT-1 : NoRights;
14937 } else boards[0][CASTLING][2] = NoRights;
14938 if(boards[0][BOARD_HEIGHT-1][BOARD_WIDTH>>1] == WHITE_TO_BLACK king) {
14939 boards[0][CASTLING][4] = boards[0][BOARD_HEIGHT-1][BOARD_LEFT] == BlackRook ? BOARD_LEFT : NoRights;
14940 boards[0][CASTLING][3] = boards[0][BOARD_HEIGHT-1][BOARD_RGHT-1] == BlackRook ? BOARD_RGHT-1 : NoRights;
14941 } else boards[0][CASTLING][5] = NoRights;
14942 if(gameInfo.variant == VariantSChess) {
14944 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) { // pieces in their original position are assumed virgin
14945 boards[0][VIRGIN][i] = 0;
14946 if(boards[0][0][i] == FIDEArray[0][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_W;
14947 if(boards[0][BOARD_HEIGHT-1][i] == FIDEArray[1][i-BOARD_LEFT]) boards[0][VIRGIN][i] |= VIRGIN_B;
14951 SendToProgram("force\n", &first);
14952 if (blackPlaysFirst) {
14953 safeStrCpy(moveList[0], "", sizeof(moveList[0])/sizeof(moveList[0][0]));
14954 safeStrCpy(parseList[0], "", sizeof(parseList[0])/sizeof(parseList[0][0]));
14955 currentMove = forwardMostMove = backwardMostMove = 1;
14956 CopyBoard(boards[1], boards[0]);
14958 currentMove = forwardMostMove = backwardMostMove = 0;
14960 SendBoard(&first, forwardMostMove);
14961 if (appData.debugMode) {
14962 fprintf(debugFP, "EditPosDone\n");
14965 DisplayMessage("", "");
14966 timeRemaining[0][forwardMostMove] = whiteTimeRemaining;
14967 timeRemaining[1][forwardMostMove] = blackTimeRemaining;
14968 gameMode = EditGame;
14970 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
14971 ClearHighlights(); /* [AS] */
14974 /* Pause for `ms' milliseconds */
14975 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14977 TimeDelay (long ms)
14984 } while (SubtractTimeMarks(&m2, &m1) < ms);
14987 /* !! Ugh, this is a kludge. Fix it sometime. --tpm */
14989 SendMultiLineToICS (char *buf)
14991 char temp[MSG_SIZ+1], *p;
14998 strncpy(temp, buf, len);
15003 if (*p == '\n' || *p == '\r')
15008 strcat(temp, "\n");
15010 SendToPlayer(temp, strlen(temp));
15014 SetWhiteToPlayEvent ()
15016 if (gameMode == EditPosition) {
15017 blackPlaysFirst = FALSE;
15018 DisplayBothClocks(); /* works because currentMove is 0 */
15019 } else if (gameMode == IcsExamining) {
15020 SendToICS(ics_prefix);
15021 SendToICS("tomove white\n");
15026 SetBlackToPlayEvent ()
15028 if (gameMode == EditPosition) {
15029 blackPlaysFirst = TRUE;
15030 currentMove = 1; /* kludge */
15031 DisplayBothClocks();
15033 } else if (gameMode == IcsExamining) {
15034 SendToICS(ics_prefix);
15035 SendToICS("tomove black\n");
15040 EditPositionMenuEvent (ChessSquare selection, int x, int y)
15043 ChessSquare piece = boards[0][y][x];
15044 static Board erasedBoard, currentBoard, menuBoard, nullBoard;
15045 static int lastVariant;
15047 if (gameMode != EditPosition && gameMode != IcsExamining) return;
15049 switch (selection) {
15051 CopyBoard(currentBoard, boards[0]);
15052 CopyBoard(menuBoard, initialPosition);
15053 if (gameMode == IcsExamining && ics_type == ICS_FICS) {
15054 SendToICS(ics_prefix);
15055 SendToICS("bsetup clear\n");
15056 } else if (gameMode == IcsExamining && ics_type == ICS_ICC) {
15057 SendToICS(ics_prefix);
15058 SendToICS("clearboard\n");
15061 for (x = 0; x < BOARD_WIDTH; x++) { ChessSquare p = EmptySquare;
15062 if(x == BOARD_LEFT-1 || x == BOARD_RGHT) p = (ChessSquare) 0; /* [HGM] holdings */
15063 for (y = 0; y < BOARD_HEIGHT; y++) {
15064 if (gameMode == IcsExamining) {
15065 if (boards[currentMove][y][x] != EmptySquare) {
15066 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix,
15071 if(boards[0][y][x] != p) nonEmpty++;
15072 boards[0][y][x] = p;
15076 if(gameMode != IcsExamining) { // [HGM] editpos: cycle trough boards
15078 for(r = 0; r < BOARD_HEIGHT; r++) {
15079 for(x = BOARD_LEFT; x < BOARD_RGHT; x++) { // create 'menu board' by removing duplicates
15080 ChessSquare p = menuBoard[r][x];
15081 for(y = x + 1; y < BOARD_RGHT; y++) if(menuBoard[r][y] == p) menuBoard[r][y] = EmptySquare;
15084 DisplayMessage("Clicking clock again restores position", "");
15085 if(gameInfo.variant != lastVariant) lastVariant = gameInfo.variant, CopyBoard(erasedBoard, boards[0]);
15086 if(!nonEmpty) { // asked to clear an empty board
15087 CopyBoard(boards[0], menuBoard);
15089 if(CompareBoards(currentBoard, menuBoard)) { // asked to clear an empty board
15090 CopyBoard(boards[0], initialPosition);
15092 if(CompareBoards(currentBoard, initialPosition) && !CompareBoards(currentBoard, erasedBoard)
15093 && !CompareBoards(nullBoard, erasedBoard)) {
15094 CopyBoard(boards[0], erasedBoard);
15096 CopyBoard(erasedBoard, currentBoard);
15100 if (gameMode == EditPosition) {
15101 DrawPosition(FALSE, boards[0]);
15106 SetWhiteToPlayEvent();
15110 SetBlackToPlayEvent();
15114 if (gameMode == IcsExamining) {
15115 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15116 snprintf(buf, MSG_SIZ, "%sx@%c%c\n", ics_prefix, AAA + x, ONE + y);
15119 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15120 if(x == BOARD_LEFT-2) {
15121 if(y < BOARD_HEIGHT-1-gameInfo.holdingsSize) break;
15122 boards[0][y][1] = 0;
15124 if(x == BOARD_RGHT+1) {
15125 if(y >= gameInfo.holdingsSize) break;
15126 boards[0][y][BOARD_WIDTH-2] = 0;
15129 boards[0][y][x] = EmptySquare;
15130 DrawPosition(FALSE, boards[0]);
15135 if(piece >= (int)WhitePawn && piece < (int)WhiteMan ||
15136 piece >= (int)BlackPawn && piece < (int)BlackMan ) {
15137 selection = (ChessSquare) (PROMOTED piece);
15138 } else if(piece == EmptySquare) selection = WhiteSilver;
15139 else selection = (ChessSquare)((int)piece - 1);
15143 if(piece > (int)WhiteMan && piece <= (int)WhiteKing ||
15144 piece > (int)BlackMan && piece <= (int)BlackKing ) {
15145 selection = (ChessSquare) (DEMOTED piece);
15146 } else if(piece == EmptySquare) selection = BlackSilver;
15147 else selection = (ChessSquare)((int)piece + 1);
15152 if(gameInfo.variant == VariantShatranj ||
15153 gameInfo.variant == VariantXiangqi ||
15154 gameInfo.variant == VariantCourier ||
15155 gameInfo.variant == VariantASEAN ||
15156 gameInfo.variant == VariantMakruk )
15157 selection = (ChessSquare)((int)selection - (int)WhiteQueen + (int)WhiteFerz);
15162 if(gameInfo.variant == VariantXiangqi)
15163 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteWazir);
15164 if(gameInfo.variant == VariantKnightmate)
15165 selection = (ChessSquare)((int)selection - (int)WhiteKing + (int)WhiteUnicorn);
15168 if (gameMode == IcsExamining) {
15169 if (x < BOARD_LEFT || x >= BOARD_RGHT) break; // [HGM] holdings
15170 snprintf(buf, MSG_SIZ, "%s%c@%c%c\n", ics_prefix,
15171 PieceToChar(selection), AAA + x, ONE + y);
15174 if(x < BOARD_LEFT || x >= BOARD_RGHT) {
15176 if(x == BOARD_LEFT-2 && selection >= BlackPawn) {
15177 n = PieceToNumber(selection - BlackPawn);
15178 if(n >= gameInfo.holdingsSize) { n = 0; selection = BlackPawn; }
15179 boards[0][BOARD_HEIGHT-1-n][0] = selection;
15180 boards[0][BOARD_HEIGHT-1-n][1]++;
15182 if(x == BOARD_RGHT+1 && selection < BlackPawn) {
15183 n = PieceToNumber(selection);
15184 if(n >= gameInfo.holdingsSize) { n = 0; selection = WhitePawn; }
15185 boards[0][n][BOARD_WIDTH-1] = selection;
15186 boards[0][n][BOARD_WIDTH-2]++;
15189 boards[0][y][x] = selection;
15190 DrawPosition(TRUE, boards[0]);
15192 fromX = fromY = -1;
15200 DropMenuEvent (ChessSquare selection, int x, int y)
15202 ChessMove moveType;
15204 switch (gameMode) {
15205 case IcsPlayingWhite:
15206 case MachinePlaysBlack:
15207 if (!WhiteOnMove(currentMove)) {
15208 DisplayMoveError(_("It is Black's turn"));
15211 moveType = WhiteDrop;
15213 case IcsPlayingBlack:
15214 case MachinePlaysWhite:
15215 if (WhiteOnMove(currentMove)) {
15216 DisplayMoveError(_("It is White's turn"));
15219 moveType = BlackDrop;
15222 moveType = WhiteOnMove(currentMove) ? WhiteDrop : BlackDrop;
15228 if (moveType == BlackDrop && selection < BlackPawn) {
15229 selection = (ChessSquare) ((int) selection
15230 + (int) BlackPawn - (int) WhitePawn);
15232 if (boards[currentMove][y][x] != EmptySquare) {
15233 DisplayMoveError(_("That square is occupied"));
15237 FinishMove(moveType, (int) selection, DROP_RANK, x, y, NULLCHAR);
15243 /* Accept a pending offer of any kind from opponent */
15245 if (appData.icsActive) {
15246 SendToICS(ics_prefix);
15247 SendToICS("accept\n");
15248 } else if (cmailMsgLoaded) {
15249 if (currentMove == cmailOldMove &&
15250 commentList[cmailOldMove] != NULL &&
15251 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15252 "Black offers a draw" : "White offers a draw")) {
15254 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15255 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15257 DisplayError(_("There is no pending offer on this move"), 0);
15258 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15261 /* Not used for offers from chess program */
15268 /* Decline a pending offer of any kind from opponent */
15270 if (appData.icsActive) {
15271 SendToICS(ics_prefix);
15272 SendToICS("decline\n");
15273 } else if (cmailMsgLoaded) {
15274 if (currentMove == cmailOldMove &&
15275 commentList[cmailOldMove] != NULL &&
15276 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15277 "Black offers a draw" : "White offers a draw")) {
15279 AppendComment(cmailOldMove, "Draw declined", TRUE);
15280 DisplayComment(cmailOldMove - 1, "Draw declined");
15283 DisplayError(_("There is no pending offer on this move"), 0);
15286 /* Not used for offers from chess program */
15293 /* Issue ICS rematch command */
15294 if (appData.icsActive) {
15295 SendToICS(ics_prefix);
15296 SendToICS("rematch\n");
15303 /* Call your opponent's flag (claim a win on time) */
15304 if (appData.icsActive) {
15305 SendToICS(ics_prefix);
15306 SendToICS("flag\n");
15308 switch (gameMode) {
15311 case MachinePlaysWhite:
15314 GameEnds(GameIsDrawn, "Both players ran out of time",
15317 GameEnds(BlackWins, "Black wins on time", GE_PLAYER);
15319 DisplayError(_("Your opponent is not out of time"), 0);
15322 case MachinePlaysBlack:
15325 GameEnds(GameIsDrawn, "Both players ran out of time",
15328 GameEnds(WhiteWins, "White wins on time", GE_PLAYER);
15330 DisplayError(_("Your opponent is not out of time"), 0);
15338 ClockClick (int which)
15339 { // [HGM] code moved to back-end from winboard.c
15340 if(which) { // black clock
15341 if (gameMode == EditPosition || gameMode == IcsExamining) {
15342 if(!appData.pieceMenu && blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15343 SetBlackToPlayEvent();
15344 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15345 gameMode == MachinePlaysBlack && PosFlags(0) & F_NULL_MOVE && !blackFlag && !shiftKey) && WhiteOnMove(currentMove)) {
15346 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move: if not out of time, enters null move
15347 } else if (shiftKey) {
15348 AdjustClock(which, -1);
15349 } else if (gameMode == IcsPlayingWhite ||
15350 gameMode == MachinePlaysBlack) {
15353 } else { // white clock
15354 if (gameMode == EditPosition || gameMode == IcsExamining) {
15355 if(!appData.pieceMenu && !blackPlaysFirst) EditPositionMenuEvent(ClearBoard, 0, 0);
15356 SetWhiteToPlayEvent();
15357 } else if ((gameMode == AnalyzeMode || gameMode == EditGame ||
15358 gameMode == MachinePlaysWhite && PosFlags(0) & F_NULL_MOVE && !whiteFlag && !shiftKey) && !WhiteOnMove(currentMove)) {
15359 UserMoveEvent((int)EmptySquare, DROP_RANK, 0, 0, 0); // [HGM] multi-move
15360 } else if (shiftKey) {
15361 AdjustClock(which, -1);
15362 } else if (gameMode == IcsPlayingBlack ||
15363 gameMode == MachinePlaysWhite) {
15372 /* Offer draw or accept pending draw offer from opponent */
15374 if (appData.icsActive) {
15375 /* Note: tournament rules require draw offers to be
15376 made after you make your move but before you punch
15377 your clock. Currently ICS doesn't let you do that;
15378 instead, you immediately punch your clock after making
15379 a move, but you can offer a draw at any time. */
15381 SendToICS(ics_prefix);
15382 SendToICS("draw\n");
15383 userOfferedDraw = TRUE; // [HGM] drawclaim: also set flag in ICS play
15384 } else if (cmailMsgLoaded) {
15385 if (currentMove == cmailOldMove &&
15386 commentList[cmailOldMove] != NULL &&
15387 StrStr(commentList[cmailOldMove], WhiteOnMove(cmailOldMove) ?
15388 "Black offers a draw" : "White offers a draw")) {
15389 GameEnds(GameIsDrawn, "Draw agreed", GE_PLAYER);
15390 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_ACCEPT;
15391 } else if (currentMove == cmailOldMove + 1) {
15392 char *offer = WhiteOnMove(cmailOldMove) ?
15393 "White offers a draw" : "Black offers a draw";
15394 AppendComment(currentMove, offer, TRUE);
15395 DisplayComment(currentMove - 1, offer);
15396 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_DRAW;
15398 DisplayError(_("You must make your move before offering a draw"), 0);
15399 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_MOVE;
15401 } else if (first.offeredDraw) {
15402 GameEnds(GameIsDrawn, "Draw agreed", GE_XBOARD);
15404 if (first.sendDrawOffers) {
15405 SendToProgram("draw\n", &first);
15406 userOfferedDraw = TRUE;
15414 /* Offer Adjourn or accept pending Adjourn offer from opponent */
15416 if (appData.icsActive) {
15417 SendToICS(ics_prefix);
15418 SendToICS("adjourn\n");
15420 /* Currently GNU Chess doesn't offer or accept Adjourns */
15428 /* Offer Abort or accept pending Abort offer from opponent */
15430 if (appData.icsActive) {
15431 SendToICS(ics_prefix);
15432 SendToICS("abort\n");
15434 GameEnds(GameUnfinished, "Game aborted", GE_PLAYER);
15441 /* Resign. You can do this even if it's not your turn. */
15443 if (appData.icsActive) {
15444 SendToICS(ics_prefix);
15445 SendToICS("resign\n");
15447 switch (gameMode) {
15448 case MachinePlaysWhite:
15449 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15451 case MachinePlaysBlack:
15452 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15455 if (cmailMsgLoaded) {
15457 if (WhiteOnMove(cmailOldMove)) {
15458 GameEnds(BlackWins, "White resigns", GE_PLAYER);
15460 GameEnds(WhiteWins, "Black resigns", GE_PLAYER);
15462 cmailMoveType[lastLoadGameNumber - 1] = CMAIL_RESIGN;
15473 StopObservingEvent ()
15475 /* Stop observing current games */
15476 SendToICS(ics_prefix);
15477 SendToICS("unobserve\n");
15481 StopExaminingEvent ()
15483 /* Stop observing current game */
15484 SendToICS(ics_prefix);
15485 SendToICS("unexamine\n");
15489 ForwardInner (int target)
15491 int limit; int oldSeekGraphUp = seekGraphUp;
15493 if (appData.debugMode)
15494 fprintf(debugFP, "ForwardInner(%d), current %d, forward %d\n",
15495 target, currentMove, forwardMostMove);
15497 if (gameMode == EditPosition)
15500 seekGraphUp = FALSE;
15501 MarkTargetSquares(1);
15503 if (gameMode == PlayFromGameFile && !pausing)
15506 if (gameMode == IcsExamining && pausing)
15507 limit = pauseExamForwardMostMove;
15509 limit = forwardMostMove;
15511 if (target > limit) target = limit;
15513 if (target > 0 && moveList[target - 1][0]) {
15514 int fromX, fromY, toX, toY;
15515 toX = moveList[target - 1][2] - AAA;
15516 toY = moveList[target - 1][3] - ONE;
15517 if (moveList[target - 1][1] == '@') {
15518 if (appData.highlightLastMove) {
15519 SetHighlights(-1, -1, toX, toY);
15522 int viaX = moveList[target - 1][5] - AAA;
15523 int viaY = moveList[target - 1][6] - ONE;
15524 fromX = moveList[target - 1][0] - AAA;
15525 fromY = moveList[target - 1][1] - ONE;
15526 if (target == currentMove + 1) {
15527 if(moveList[target - 1][4] == ';') { // multi-leg
15528 ChessSquare piece = boards[currentMove][viaY][viaX];
15529 AnimateMove(boards[currentMove], fromX, fromY, viaX, viaY);
15530 boards[currentMove][viaY][viaX] = boards[currentMove][fromY][fromX];
15531 AnimateMove(boards[currentMove], viaX, viaY, toX, toY);
15532 boards[currentMove][viaY][viaX] = piece;
15534 AnimateMove(boards[currentMove], fromX, fromY, toX, toY);
15536 if (appData.highlightLastMove) {
15537 SetHighlights(fromX, fromY, toX, toY);
15541 if (gameMode == EditGame || gameMode == AnalyzeMode ||
15542 gameMode == Training || gameMode == PlayFromGameFile ||
15543 gameMode == AnalyzeFile) {
15544 while (currentMove < target) {
15545 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15546 SendMoveToProgram(currentMove++, &first);
15549 currentMove = target;
15552 if (gameMode == EditGame || gameMode == EndOfGame) {
15553 whiteTimeRemaining = timeRemaining[0][currentMove];
15554 blackTimeRemaining = timeRemaining[1][currentMove];
15556 DisplayBothClocks();
15557 DisplayMove(currentMove - 1);
15558 DrawPosition(oldSeekGraphUp, boards[currentMove]);
15559 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15560 if ( !matchMode && gameMode != Training) { // [HGM] PV info: routine tests if empty
15561 DisplayComment(currentMove - 1, commentList[currentMove]);
15563 ClearMap(); // [HGM] exclude: invalidate map
15570 if (gameMode == IcsExamining && !pausing) {
15571 SendToICS(ics_prefix);
15572 SendToICS("forward\n");
15574 ForwardInner(currentMove + 1);
15581 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15582 /* to optimze, we temporarily turn off analysis mode while we feed
15583 * the remaining moves to the engine. Otherwise we get analysis output
15586 if (first.analysisSupport) {
15587 SendToProgram("exit\nforce\n", &first);
15588 first.analyzing = FALSE;
15592 if (gameMode == IcsExamining && !pausing) {
15593 SendToICS(ics_prefix);
15594 SendToICS("forward 999999\n");
15596 ForwardInner(forwardMostMove);
15599 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15600 /* we have fed all the moves, so reactivate analysis mode */
15601 SendToProgram("analyze\n", &first);
15602 first.analyzing = TRUE;
15603 /*first.maybeThinking = TRUE;*/
15604 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15609 BackwardInner (int target)
15611 int full_redraw = TRUE; /* [AS] Was FALSE, had to change it! */
15613 if (appData.debugMode)
15614 fprintf(debugFP, "BackwardInner(%d), current %d, forward %d\n",
15615 target, currentMove, forwardMostMove);
15617 if (gameMode == EditPosition) return;
15618 seekGraphUp = FALSE;
15619 MarkTargetSquares(1);
15620 if (currentMove <= backwardMostMove) {
15622 DrawPosition(full_redraw, boards[currentMove]);
15625 if (gameMode == PlayFromGameFile && !pausing)
15628 if (moveList[target][0]) {
15629 int fromX, fromY, toX, toY;
15630 toX = moveList[target][2] - AAA;
15631 toY = moveList[target][3] - ONE;
15632 if (moveList[target][1] == '@') {
15633 if (appData.highlightLastMove) {
15634 SetHighlights(-1, -1, toX, toY);
15637 fromX = moveList[target][0] - AAA;
15638 fromY = moveList[target][1] - ONE;
15639 if (target == currentMove - 1) {
15640 AnimateMove(boards[currentMove], toX, toY, fromX, fromY);
15642 if (appData.highlightLastMove) {
15643 SetHighlights(fromX, fromY, toX, toY);
15647 if (gameMode == EditGame || gameMode==AnalyzeMode ||
15648 gameMode == PlayFromGameFile || gameMode == AnalyzeFile) {
15649 while (currentMove > target) {
15650 if(moveList[currentMove-1][1] == '@' && moveList[currentMove-1][0] == '@') {
15651 // null move cannot be undone. Reload program with move history before it.
15653 for(i=target; i>backwardMostMove; i--) { // seek back to start or previous null move
15654 if(moveList[i-1][1] == '@' && moveList[i-1][0] == '@') break;
15656 SendBoard(&first, i);
15657 if(second.analyzing) SendBoard(&second, i);
15658 for(currentMove=i; currentMove<target; currentMove++) {
15659 SendMoveToProgram(currentMove, &first);
15660 if(second.analyzing) SendMoveToProgram(currentMove, &second);
15664 SendToBoth("undo\n");
15668 currentMove = target;
15671 if (gameMode == EditGame || gameMode == EndOfGame) {
15672 whiteTimeRemaining = timeRemaining[0][currentMove];
15673 blackTimeRemaining = timeRemaining[1][currentMove];
15675 DisplayBothClocks();
15676 DisplayMove(currentMove - 1);
15677 DrawPosition(full_redraw, boards[currentMove]);
15678 HistorySet(parseList,backwardMostMove,forwardMostMove,currentMove-1);
15679 // [HGM] PV info: routine tests if comment empty
15680 DisplayComment(currentMove - 1, commentList[currentMove]);
15681 ClearMap(); // [HGM] exclude: invalidate map
15687 if (gameMode == IcsExamining && !pausing) {
15688 SendToICS(ics_prefix);
15689 SendToICS("backward\n");
15691 BackwardInner(currentMove - 1);
15698 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15699 /* to optimize, we temporarily turn off analysis mode while we undo
15700 * all the moves. Otherwise we get analysis output after each undo.
15702 if (first.analysisSupport) {
15703 SendToProgram("exit\nforce\n", &first);
15704 first.analyzing = FALSE;
15708 if (gameMode == IcsExamining && !pausing) {
15709 SendToICS(ics_prefix);
15710 SendToICS("backward 999999\n");
15712 BackwardInner(backwardMostMove);
15715 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
15716 /* we have fed all the moves, so reactivate analysis mode */
15717 SendToProgram("analyze\n", &first);
15718 first.analyzing = TRUE;
15719 /*first.maybeThinking = TRUE;*/
15720 first.maybeThinking = FALSE; /* avoid killing GNU Chess */
15727 if (gameMode == PlayFromGameFile && !pausing) PauseEvent();
15728 if (to >= forwardMostMove) to = forwardMostMove;
15729 if (to <= backwardMostMove) to = backwardMostMove;
15730 if (to < currentMove) {
15738 RevertEvent (Boolean annotate)
15740 if(PopTail(annotate)) { // [HGM] vari: restore old game tail
15743 if (gameMode != IcsExamining) {
15744 DisplayError(_("You are not examining a game"), 0);
15748 DisplayError(_("You can't revert while pausing"), 0);
15751 SendToICS(ics_prefix);
15752 SendToICS("revert\n");
15756 RetractMoveEvent ()
15758 switch (gameMode) {
15759 case MachinePlaysWhite:
15760 case MachinePlaysBlack:
15761 if (WhiteOnMove(forwardMostMove) == (gameMode == MachinePlaysWhite)) {
15762 DisplayError(_("Wait until your turn,\nor select 'Move Now'."), 0);
15765 if (forwardMostMove < 2) return;
15766 currentMove = forwardMostMove = forwardMostMove - 2;
15767 whiteTimeRemaining = timeRemaining[0][currentMove];
15768 blackTimeRemaining = timeRemaining[1][currentMove];
15769 DisplayBothClocks();
15770 DisplayMove(currentMove - 1);
15771 ClearHighlights();/*!! could figure this out*/
15772 DrawPosition(TRUE, boards[currentMove]); /* [AS] Changed to full redraw! */
15773 SendToProgram("remove\n", &first);
15774 /*first.maybeThinking = TRUE;*/ /* GNU Chess does not ponder here */
15777 case BeginningOfGame:
15781 case IcsPlayingWhite:
15782 case IcsPlayingBlack:
15783 if (WhiteOnMove(forwardMostMove) == (gameMode == IcsPlayingWhite)) {
15784 SendToICS(ics_prefix);
15785 SendToICS("takeback 2\n");
15787 SendToICS(ics_prefix);
15788 SendToICS("takeback 1\n");
15797 ChessProgramState *cps;
15799 switch (gameMode) {
15800 case MachinePlaysWhite:
15801 if (!WhiteOnMove(forwardMostMove)) {
15802 DisplayError(_("It is your turn"), 0);
15807 case MachinePlaysBlack:
15808 if (WhiteOnMove(forwardMostMove)) {
15809 DisplayError(_("It is your turn"), 0);
15814 case TwoMachinesPlay:
15815 if (WhiteOnMove(forwardMostMove) ==
15816 (first.twoMachinesColor[0] == 'w')) {
15822 case BeginningOfGame:
15826 SendToProgram("?\n", cps);
15830 TruncateGameEvent ()
15833 if (gameMode != EditGame) return;
15840 CleanupTail(); // [HGM] vari: only keep current variation if we explicitly truncate
15841 if (forwardMostMove > currentMove) {
15842 if (gameInfo.resultDetails != NULL) {
15843 free(gameInfo.resultDetails);
15844 gameInfo.resultDetails = NULL;
15845 gameInfo.result = GameUnfinished;
15847 forwardMostMove = currentMove;
15848 HistorySet(parseList, backwardMostMove, forwardMostMove,
15856 if (appData.noChessProgram) return;
15857 switch (gameMode) {
15858 case MachinePlaysWhite:
15859 if (WhiteOnMove(forwardMostMove)) {
15860 DisplayError(_("Wait until your turn."), 0);
15864 case BeginningOfGame:
15865 case MachinePlaysBlack:
15866 if (!WhiteOnMove(forwardMostMove)) {
15867 DisplayError(_("Wait until your turn."), 0);
15872 DisplayError(_("No hint available"), 0);
15875 SendToProgram("hint\n", &first);
15876 hintRequested = TRUE;
15880 SaveSelected (FILE *g, int dummy, char *dummy2)
15882 ListGame * lg = (ListGame *) gameList.head;
15886 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15887 DisplayError(_("Game list not loaded or empty"), 0);
15891 creatingBook = TRUE; // suppresses stuff during load game
15893 /* Get list size */
15894 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15895 if(lg->position >= 0) { // selected?
15896 LoadGame(f, nItem, "", TRUE);
15897 SaveGamePGN2(g); // leaves g open
15900 lg = (ListGame *) lg->node.succ;
15904 creatingBook = FALSE;
15912 ListGame * lg = (ListGame *) gameList.head;
15915 static int secondTime = FALSE;
15917 if( !(f = GameFile()) || ((ListGame *) gameList.tailPred)->number <= 0 ) {
15918 DisplayError(_("Game list not loaded or empty"), 0);
15922 if(!secondTime && (g = fopen(appData.polyglotBook, "r"))) {
15925 DisplayNote(_("Book file exists! Try again for overwrite."));
15929 creatingBook = TRUE;
15930 secondTime = FALSE;
15932 /* Get list size */
15933 for (nItem = 1; nItem <= ((ListGame *) gameList.tailPred)->number; nItem++){
15934 if(lg->position >= 0) {
15935 LoadGame(f, nItem, "", TRUE);
15936 AddGameToBook(TRUE);
15939 lg = (ListGame *) lg->node.succ;
15942 creatingBook = FALSE;
15949 if (appData.noChessProgram) return;
15950 switch (gameMode) {
15951 case MachinePlaysWhite:
15952 if (WhiteOnMove(forwardMostMove)) {
15953 DisplayError(_("Wait until your turn."), 0);
15957 case BeginningOfGame:
15958 case MachinePlaysBlack:
15959 if (!WhiteOnMove(forwardMostMove)) {
15960 DisplayError(_("Wait until your turn."), 0);
15965 EditPositionDone(TRUE);
15967 case TwoMachinesPlay:
15972 SendToProgram("bk\n", &first);
15973 bookOutput[0] = NULLCHAR;
15974 bookRequested = TRUE;
15980 char *tags = PGNTags(&gameInfo);
15981 TagsPopUp(tags, CmailMsg());
15985 /* end button procedures */
15988 PrintPosition (FILE *fp, int move)
15992 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
15993 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
15994 char c = PieceToChar(boards[move][i][j]);
15995 fputc(c == 'x' ? '.' : c, fp);
15996 fputc(j == BOARD_RGHT - 1 ? '\n' : ' ', fp);
15999 if ((gameMode == EditPosition) ? !blackPlaysFirst : (move % 2 == 0))
16000 fprintf(fp, "white to play\n");
16002 fprintf(fp, "black to play\n");
16006 PrintOpponents (FILE *fp)
16008 if (gameInfo.white != NULL) {
16009 fprintf(fp, "\t%s vs. %s\n", gameInfo.white, gameInfo.black);
16015 /* Find last component of program's own name, using some heuristics */
16017 TidyProgramName (char *prog, char *host, char buf[MSG_SIZ])
16020 int local = (strcmp(host, "localhost") == 0);
16021 while (!local && (p = strchr(prog, ';')) != NULL) {
16023 while (*p == ' ') p++;
16026 if (*prog == '"' || *prog == '\'') {
16027 q = strchr(prog + 1, *prog);
16029 q = strchr(prog, ' ');
16031 if (q == NULL) q = prog + strlen(prog);
16033 while (p >= prog && *p != '/' && *p != '\\') p--;
16035 if(p == prog && *p == '"') p++;
16037 if (q - p >= 4 && StrCaseCmp(q - 4, ".exe") == 0) *q = c, q -= 4; else *q = c;
16038 memcpy(buf, p, q - p);
16039 buf[q - p] = NULLCHAR;
16047 TimeControlTagValue ()
16050 if (!appData.clockMode) {
16051 safeStrCpy(buf, "-", sizeof(buf)/sizeof(buf[0]));
16052 } else if (movesPerSession > 0) {
16053 snprintf(buf, MSG_SIZ, "%d/%ld", movesPerSession, timeControl/1000);
16054 } else if (timeIncrement == 0) {
16055 snprintf(buf, MSG_SIZ, "%ld", timeControl/1000);
16057 snprintf(buf, MSG_SIZ, "%ld+%ld", timeControl/1000, timeIncrement/1000);
16059 return StrSave(buf);
16065 /* This routine is used only for certain modes */
16066 VariantClass v = gameInfo.variant;
16067 ChessMove r = GameUnfinished;
16070 if(keepInfo) return;
16072 if(gameMode == EditGame) { // [HGM] vari: do not erase result on EditGame
16073 r = gameInfo.result;
16074 p = gameInfo.resultDetails;
16075 gameInfo.resultDetails = NULL;
16077 ClearGameInfo(&gameInfo);
16078 gameInfo.variant = v;
16080 switch (gameMode) {
16081 case MachinePlaysWhite:
16082 gameInfo.event = StrSave( appData.pgnEventHeader );
16083 gameInfo.site = StrSave(HostName());
16084 gameInfo.date = PGNDate();
16085 gameInfo.round = StrSave("-");
16086 gameInfo.white = StrSave(first.tidy);
16087 gameInfo.black = StrSave(UserName());
16088 gameInfo.timeControl = TimeControlTagValue();
16091 case MachinePlaysBlack:
16092 gameInfo.event = StrSave( appData.pgnEventHeader );
16093 gameInfo.site = StrSave(HostName());
16094 gameInfo.date = PGNDate();
16095 gameInfo.round = StrSave("-");
16096 gameInfo.white = StrSave(UserName());
16097 gameInfo.black = StrSave(first.tidy);
16098 gameInfo.timeControl = TimeControlTagValue();
16101 case TwoMachinesPlay:
16102 gameInfo.event = StrSave( appData.pgnEventHeader );
16103 gameInfo.site = StrSave(HostName());
16104 gameInfo.date = PGNDate();
16107 snprintf(buf, MSG_SIZ, "%d", roundNr);
16108 gameInfo.round = StrSave(buf);
16110 gameInfo.round = StrSave("-");
16112 if (first.twoMachinesColor[0] == 'w') {
16113 gameInfo.white = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16114 gameInfo.black = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16116 gameInfo.white = StrSave(appData.pgnName[1][0] ? appData.pgnName[1] : second.tidy);
16117 gameInfo.black = StrSave(appData.pgnName[0][0] ? appData.pgnName[0] : first.tidy);
16119 gameInfo.timeControl = TimeControlTagValue();
16123 gameInfo.event = StrSave("Edited game");
16124 gameInfo.site = StrSave(HostName());
16125 gameInfo.date = PGNDate();
16126 gameInfo.round = StrSave("-");
16127 gameInfo.white = StrSave("-");
16128 gameInfo.black = StrSave("-");
16129 gameInfo.result = r;
16130 gameInfo.resultDetails = p;
16134 gameInfo.event = StrSave("Edited position");
16135 gameInfo.site = StrSave(HostName());
16136 gameInfo.date = PGNDate();
16137 gameInfo.round = StrSave("-");
16138 gameInfo.white = StrSave("-");
16139 gameInfo.black = StrSave("-");
16142 case IcsPlayingWhite:
16143 case IcsPlayingBlack:
16148 case PlayFromGameFile:
16149 gameInfo.event = StrSave("Game from non-PGN file");
16150 gameInfo.site = StrSave(HostName());
16151 gameInfo.date = PGNDate();
16152 gameInfo.round = StrSave("-");
16153 gameInfo.white = StrSave("?");
16154 gameInfo.black = StrSave("?");
16163 ReplaceComment (int index, char *text)
16169 if(index && sscanf(text, "%f/%d", &score, &len) == 2 &&
16170 pvInfoList[index-1].depth == len &&
16171 fabs(pvInfoList[index-1].score - score*100.) < 0.5 &&
16172 (p = strchr(text, '\n'))) text = p; // [HGM] strip off first line with PV info, if any
16173 while (*text == '\n') text++;
16174 len = strlen(text);
16175 while (len > 0 && text[len - 1] == '\n') len--;
16177 if (commentList[index] != NULL)
16178 free(commentList[index]);
16181 commentList[index] = NULL;
16184 if( *text == '{' && strchr(text, '}') || // [HGM] braces: if certainy malformed, put braces
16185 *text == '[' && strchr(text, ']') || // otherwise hope the user knows what he is doing
16186 *text == '(' && strchr(text, ')')) { // (perhaps check if this parses as comment-only?)
16187 commentList[index] = (char *) malloc(len + 2);
16188 strncpy(commentList[index], text, len);
16189 commentList[index][len] = '\n';
16190 commentList[index][len + 1] = NULLCHAR;
16192 // [HGM] braces: if text does not start with known OK delimiter, put braces around it.
16194 commentList[index] = (char *) malloc(len + 7);
16195 safeStrCpy(commentList[index], "{\n", 3);
16196 safeStrCpy(commentList[index]+2, text, len+1);
16197 commentList[index][len+2] = NULLCHAR;
16198 while(p = strchr(commentList[index], '}')) *p = ')'; // kill all } to make it one comment
16199 strcat(commentList[index], "\n}\n");
16204 CrushCRs (char *text)
16212 if (ch == '\r') continue;
16214 } while (ch != '\0');
16218 AppendComment (int index, char *text, Boolean addBraces)
16219 /* addBraces tells if we should add {} */
16224 if(appData.debugMode) fprintf(debugFP, "Append: in='%s' %d\n", text, addBraces);
16225 if(addBraces == 3) addBraces = 0; else // force appending literally
16226 text = GetInfoFromComment( index, text ); /* [HGM] PV time: strip PV info from comment */
16229 while (*text == '\n') text++;
16230 len = strlen(text);
16231 while (len > 0 && text[len - 1] == '\n') len--;
16232 text[len] = NULLCHAR;
16234 if (len == 0) return;
16236 if (commentList[index] != NULL) {
16237 Boolean addClosingBrace = addBraces;
16238 old = commentList[index];
16239 oldlen = strlen(old);
16240 while(commentList[index][oldlen-1] == '\n')
16241 commentList[index][--oldlen] = NULLCHAR;
16242 commentList[index] = (char *) malloc(oldlen + len + 6); // might waste 4
16243 safeStrCpy(commentList[index], old, oldlen + len + 6);
16245 // [HGM] braces: join "{A\n}\n" + "{\nB}" as "{A\nB\n}"
16246 if(commentList[index][oldlen-1] == '}' && (text[0] == '{' || addBraces == TRUE)) {
16247 if(addBraces == TRUE) addBraces = FALSE; else { text++; len--; }
16248 while (*text == '\n') { text++; len--; }
16249 commentList[index][--oldlen] = NULLCHAR;
16251 if(addBraces) strcat(commentList[index], addBraces == 2 ? "\n(" : "\n{\n");
16252 else strcat(commentList[index], "\n");
16253 strcat(commentList[index], text);
16254 if(addClosingBrace) strcat(commentList[index], addClosingBrace == 2 ? ")\n" : "\n}\n");
16255 else strcat(commentList[index], "\n");
16257 commentList[index] = (char *) malloc(len + 6); // perhaps wastes 4...
16259 safeStrCpy(commentList[index], addBraces == 2 ? "(" : "{\n", 3);
16260 else commentList[index][0] = NULLCHAR;
16261 strcat(commentList[index], text);
16262 strcat(commentList[index], addBraces == 2 ? ")\n" : "\n");
16263 if(addBraces == TRUE) strcat(commentList[index], "}\n");
16268 FindStr (char * text, char * sub_text)
16270 char * result = strstr( text, sub_text );
16272 if( result != NULL ) {
16273 result += strlen( sub_text );
16279 /* [AS] Try to extract PV info from PGN comment */
16280 /* [HGM] PV time: and then remove it, to prevent it appearing twice */
16282 GetInfoFromComment (int index, char * text)
16284 char * sep = text, *p;
16286 if( text != NULL && index > 0 ) {
16289 int time = -1, sec = 0, deci;
16290 char * s_eval = FindStr( text, "[%eval " );
16291 char * s_emt = FindStr( text, "[%emt " );
16293 if( s_eval != NULL || s_emt != NULL ) {
16295 if(0) { // [HGM] this code is not finished, and could actually be detrimental
16300 if( s_eval != NULL ) {
16301 if( sscanf( s_eval, "%d,%d%c", &score, &depth, &delim ) != 3 ) {
16305 if( delim != ']' ) {
16310 if( s_emt != NULL ) {
16315 /* We expect something like: [+|-]nnn.nn/dd */
16318 if(*text != '{') return text; // [HGM] braces: must be normal comment
16320 sep = strchr( text, '/' );
16321 if( sep == NULL || sep < (text+4) ) {
16326 if(!strncmp(p+1, "final score ", 12)) p += 12, index++; else
16327 if(p[1] == '(') { // comment starts with PV
16328 p = strchr(p, ')'); // locate end of PV
16329 if(p == NULL || sep < p+5) return text;
16330 // at this point we have something like "{(.*) +0.23/6 ..."
16331 p = text; while(*++p != ')') p[-1] = *p; p[-1] = ')';
16332 *p = '\n'; while(*p == ' ' || *p == '\n') p++; *--p = '{';
16333 // we now moved the brace to behind the PV: "(.*) {+0.23/6 ..."
16335 time = -1; sec = -1; deci = -1;
16336 if( sscanf( p+1, "%d.%d/%d %d:%d", &score, &score_lo, &depth, &time, &sec ) != 5 &&
16337 sscanf( p+1, "%d.%d/%d %d.%d", &score, &score_lo, &depth, &time, &deci ) != 5 &&
16338 sscanf( p+1, "%d.%d/%d %d", &score, &score_lo, &depth, &time ) != 4 &&
16339 sscanf( p+1, "%d.%d/%d", &score, &score_lo, &depth ) != 3 ) {
16343 if( score_lo < 0 || score_lo >= 100 ) {
16347 if(sec >= 0) time = 600*time + 10*sec; else
16348 if(deci >= 0) time = 10*time + deci; else time *= 10; // deci-sec
16350 score = score > 0 || !score & p[1] != '-' ? score*100 + score_lo : score*100 - score_lo;
16352 /* [HGM] PV time: now locate end of PV info */
16353 while( *++sep >= '0' && *sep <= '9'); // strip depth
16355 while( *++sep >= '0' && *sep <= '9' || *sep == '\n'); // strip time
16357 while( *++sep >= '0' && *sep <= '9'); // strip seconds
16359 while( *++sep >= '0' && *sep <= '9'); // strip fractional seconds
16360 while(*sep == ' ' || *sep == '\n' || *sep == '\r') sep++;
16371 pvInfoList[index-1].depth = depth;
16372 pvInfoList[index-1].score = score;
16373 pvInfoList[index-1].time = 10*time; // centi-sec
16374 if(*sep == '}') *sep = 0; else *--sep = '{';
16375 if(p != text) { while(*p++ = *sep++); sep = text; } // squeeze out space between PV and comment, and return both
16381 SendToProgram (char *message, ChessProgramState *cps)
16383 int count, outCount, error;
16386 if (cps->pr == NoProc) return;
16389 if (appData.debugMode) {
16392 fprintf(debugFP, "%ld >%-6s: %s",
16393 SubtractTimeMarks(&now, &programStartTime),
16394 cps->which, message);
16396 fprintf(serverFP, "%ld >%-6s: %s",
16397 SubtractTimeMarks(&now, &programStartTime),
16398 cps->which, message), fflush(serverFP);
16401 count = strlen(message);
16402 outCount = OutputToProcess(cps->pr, message, count, &error);
16403 if (outCount < count && !exiting
16404 && !endingGame) { /* [HGM] crash: to not hang GameEnds() writing to deceased engines */
16405 if(!cps->initDone) return; // [HGM] should not generate fatal error during engine load
16406 snprintf(buf, MSG_SIZ, _("Error writing to %s chess program"), _(cps->which));
16407 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16408 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16409 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16410 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16411 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16413 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16414 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16415 gameInfo.result = res;
16417 gameInfo.resultDetails = StrSave(buf);
16419 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16420 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16425 ReceiveFromProgram (InputSourceRef isr, VOIDSTAR closure, char *message, int count, int error)
16429 ChessProgramState *cps = (ChessProgramState *)closure;
16431 if (isr != cps->isr) return; /* Killed intentionally */
16434 RemoveInputSource(cps->isr);
16435 snprintf(buf, MSG_SIZ, _("Error: %s chess program (%s) exited unexpectedly"),
16436 _(cps->which), cps->program);
16437 if(LoadError(cps->userError ? NULL : buf, cps)) return; // [HGM] should not generate fatal error during engine load
16438 if(gameInfo.resultDetails==NULL) { /* [HGM] crash: if game in progress, give reason for abort */
16439 if((signed char)boards[forwardMostMove][EP_STATUS] <= EP_DRAWS) {
16440 snprintf(buf, MSG_SIZ, _("%s program exits in draw position (%s)"), _(cps->which), cps->program);
16441 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(GameIsDrawn, buf, GE_XBOARD); return; }
16442 gameInfo.result = GameIsDrawn; /* [HGM] accept exit as draw claim */
16444 ChessMove res = cps->twoMachinesColor[0]=='w' ? BlackWins : WhiteWins;
16445 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; GameEnds(res, buf, GE_XBOARD); return; }
16446 gameInfo.result = res;
16448 gameInfo.resultDetails = StrSave(buf);
16450 if(matchMode && appData.tourneyFile[0]) { cps->pr = NoProc; return; }
16451 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, 0, 1); else errorExitStatus = 1;
16453 snprintf(buf, MSG_SIZ, _("Error reading from %s chess program (%s)"),
16454 _(cps->which), cps->program);
16455 RemoveInputSource(cps->isr);
16457 /* [AS] Program is misbehaving badly... kill it */
16458 if( count == -2 ) {
16459 DestroyChildProcess( cps->pr, 9 );
16463 if(!cps->userError || !appData.popupExitMessage) DisplayFatalError(buf, error, 1); else errorExitStatus = 1;
16468 if ((end_str = strchr(message, '\r')) != NULL)
16469 *end_str = NULLCHAR;
16470 if ((end_str = strchr(message, '\n')) != NULL)
16471 *end_str = NULLCHAR;
16473 if (appData.debugMode) {
16474 TimeMark now; int print = 1;
16475 char *quote = ""; char c; int i;
16477 if(appData.engineComments != 1) { /* [HGM] debug: decide if protocol-violating output is written */
16478 char start = message[0];
16479 if(start >='A' && start <= 'Z') start += 'a' - 'A'; // be tolerant to capitalizing
16480 if(sscanf(message, "%d%c%d%d%d", &i, &c, &i, &i, &i) != 5 &&
16481 sscanf(message, "move %c", &c)!=1 && sscanf(message, "offer%c", &c)!=1 &&
16482 sscanf(message, "resign%c", &c)!=1 && sscanf(message, "feature %c", &c)!=1 &&
16483 sscanf(message, "error %c", &c)!=1 && sscanf(message, "illegal %c", &c)!=1 &&
16484 sscanf(message, "tell%c", &c)!=1 && sscanf(message, "0-1 %c", &c)!=1 &&
16485 sscanf(message, "1-0 %c", &c)!=1 && sscanf(message, "1/2-1/2 %c", &c)!=1 &&
16486 sscanf(message, "setboard %c", &c)!=1 && sscanf(message, "setup %c", &c)!=1 &&
16487 sscanf(message, "hint: %c", &c)!=1 &&
16488 sscanf(message, "pong %c", &c)!=1 && start != '#') {
16489 quote = appData.engineComments == 2 ? "# " : "### NON-COMPLIANT! ### ";
16490 print = (appData.engineComments >= 2);
16492 message[0] = start; // restore original message
16496 fprintf(debugFP, "%ld <%-6s: %s%s\n",
16497 SubtractTimeMarks(&now, &programStartTime), cps->which,
16501 fprintf(serverFP, "%ld <%-6s: %s%s\n",
16502 SubtractTimeMarks(&now, &programStartTime), cps->which,
16504 message), fflush(serverFP);
16508 /* [DM] if icsEngineAnalyze is active we block all whisper and kibitz output, because nobody want to see this */
16509 if (appData.icsEngineAnalyze) {
16510 if (strstr(message, "whisper") != NULL ||
16511 strstr(message, "kibitz") != NULL ||
16512 strstr(message, "tellics") != NULL) return;
16515 HandleMachineMove(message, cps);
16520 SendTimeControl (ChessProgramState *cps, int mps, long tc, int inc, int sd, int st)
16525 if( timeControl_2 > 0 ) {
16526 if( (gameMode == MachinePlaysBlack) || (gameMode == TwoMachinesPlay && cps->twoMachinesColor[0] == 'b') ) {
16527 tc = timeControl_2;
16530 tc /= cps->timeOdds; /* [HGM] time odds: apply before telling engine */
16531 inc /= cps->timeOdds;
16532 st /= cps->timeOdds;
16534 seconds = (tc / 1000) % 60; /* [HGM] displaced to after applying odds */
16537 /* Set exact time per move, normally using st command */
16538 if (cps->stKludge) {
16539 /* GNU Chess 4 has no st command; uses level in a nonstandard way */
16541 if (seconds == 0) {
16542 snprintf(buf, MSG_SIZ, "level 1 %d\n", st/60);
16544 snprintf(buf, MSG_SIZ, "level 1 %d:%02d\n", st/60, seconds);
16547 snprintf(buf, MSG_SIZ, "st %d\n", st);
16550 /* Set conventional or incremental time control, using level command */
16551 if (seconds == 0) {
16552 /* Note old gnuchess bug -- minutes:seconds used to not work.
16553 Fixed in later versions, but still avoid :seconds
16554 when seconds is 0. */
16555 snprintf(buf, MSG_SIZ, "level %d %ld %g\n", mps, tc/60000, inc/1000.);
16557 snprintf(buf, MSG_SIZ, "level %d %ld:%02d %g\n", mps, tc/60000,
16558 seconds, inc/1000.);
16561 SendToProgram(buf, cps);
16563 /* Orthoganally (except for GNU Chess 4), limit time to st seconds */
16564 /* Orthogonally, limit search to given depth */
16566 if (cps->sdKludge) {
16567 snprintf(buf, MSG_SIZ, "depth\n%d\n", sd);
16569 snprintf(buf, MSG_SIZ, "sd %d\n", sd);
16571 SendToProgram(buf, cps);
16574 if(cps->nps >= 0) { /* [HGM] nps */
16575 if(cps->supportsNPS == FALSE)
16576 cps->nps = -1; // don't use if engine explicitly says not supported!
16578 snprintf(buf, MSG_SIZ, "nps %d\n", cps->nps);
16579 SendToProgram(buf, cps);
16584 ChessProgramState *
16586 /* [HGM] return pointer to 'first' or 'second', depending on who plays white */
16588 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b' ||
16589 gameMode == BeginningOfGame || gameMode == MachinePlaysBlack)
16595 SendTimeRemaining (ChessProgramState *cps, int machineWhite)
16597 char message[MSG_SIZ];
16600 /* Note: this routine must be called when the clocks are stopped
16601 or when they have *just* been set or switched; otherwise
16602 it will be off by the time since the current tick started.
16604 if (machineWhite) {
16605 time = whiteTimeRemaining / 10;
16606 otime = blackTimeRemaining / 10;
16608 time = blackTimeRemaining / 10;
16609 otime = whiteTimeRemaining / 10;
16611 /* [HGM] translate opponent's time by time-odds factor */
16612 otime = (otime * cps->other->timeOdds) / cps->timeOdds;
16614 if (time <= 0) time = 1;
16615 if (otime <= 0) otime = 1;
16617 snprintf(message, MSG_SIZ, "time %ld\n", time);
16618 SendToProgram(message, cps);
16620 snprintf(message, MSG_SIZ, "otim %ld\n", otime);
16621 SendToProgram(message, cps);
16625 EngineDefinedVariant (ChessProgramState *cps, int n)
16626 { // return name of n-th unknown variant that engine supports
16627 static char buf[MSG_SIZ];
16628 char *p, *s = cps->variants;
16629 if(!s) return NULL;
16630 do { // parse string from variants feature
16632 p = strchr(s, ',');
16633 if(p) *p = NULLCHAR;
16634 v = StringToVariant(s);
16635 if(v == VariantNormal && strcmp(s, "normal") && !strstr(s, "_normal")) v = VariantUnknown; // garbage is recognized as normal
16636 if(v == VariantUnknown) { // non-standard variant in list of engine-supported variants
16637 if(!strcmp(s, "tenjiku") || !strcmp(s, "dai") || !strcmp(s, "dada") || // ignore Alien-Edition variants
16638 !strcmp(s, "maka") || !strcmp(s, "tai") || !strcmp(s, "kyoku") ||
16639 !strcmp(s, "checkers") || !strcmp(s, "go") || !strcmp(s, "reversi") ||
16640 !strcmp(s, "dark") || !strcmp(s, "alien") || !strcmp(s, "multi") || !strcmp(s, "amazons") ) n++;
16641 if(--n < 0) safeStrCpy(buf, s, MSG_SIZ);
16644 if(n < 0) return buf;
16650 BoolFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16653 int len = strlen(name);
16656 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16658 sscanf(*p, "%d", &val);
16660 while (**p && **p != ' ')
16662 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16663 SendToProgram(buf, cps);
16670 IntFeature (char **p, char *name, int *loc, ChessProgramState *cps)
16673 int len = strlen(name);
16674 if (strncmp((*p), name, len) == 0 && (*p)[len] == '=') {
16676 sscanf(*p, "%d", loc);
16677 while (**p && **p != ' ') (*p)++;
16678 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16679 SendToProgram(buf, cps);
16686 StringFeature (char **p, char *name, char **loc, ChessProgramState *cps)
16689 int len = strlen(name);
16690 if (strncmp((*p), name, len) == 0
16691 && (*p)[len] == '=' && (*p)[len+1] == '\"') {
16693 ASSIGN(*loc, *p); // kludge alert: assign rest of line just to be sure allocation is large enough so that sscanf below always fits
16694 sscanf(*p, "%[^\"]", *loc);
16695 while (**p && **p != '\"') (*p)++;
16696 if (**p == '\"') (*p)++;
16697 snprintf(buf, MSG_SIZ, "accepted %s\n", name);
16698 SendToProgram(buf, cps);
16705 ParseOption (Option *opt, ChessProgramState *cps)
16706 // [HGM] options: process the string that defines an engine option, and determine
16707 // name, type, default value, and allowed value range
16709 char *p, *q, buf[MSG_SIZ];
16710 int n, min = (-1)<<31, max = 1<<31, def;
16712 if(p = strstr(opt->name, " -spin ")) {
16713 if((n = sscanf(p, " -spin %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16714 if(max < min) max = min; // enforce consistency
16715 if(def < min) def = min;
16716 if(def > max) def = max;
16721 } else if((p = strstr(opt->name, " -slider "))) {
16722 // for now -slider is a synonym for -spin, to already provide compatibility with future polyglots
16723 if((n = sscanf(p, " -slider %d %d %d", &def, &min, &max)) < 3 ) return FALSE;
16724 if(max < min) max = min; // enforce consistency
16725 if(def < min) def = min;
16726 if(def > max) def = max;
16730 opt->type = Spin; // Slider;
16731 } else if((p = strstr(opt->name, " -string "))) {
16732 opt->textValue = p+9;
16733 opt->type = TextBox;
16734 } else if((p = strstr(opt->name, " -file "))) {
16735 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16736 opt->textValue = p+7;
16737 opt->type = FileName; // FileName;
16738 } else if((p = strstr(opt->name, " -path "))) {
16739 // for now -file is a synonym for -string, to already provide compatibility with future polyglots
16740 opt->textValue = p+7;
16741 opt->type = PathName; // PathName;
16742 } else if(p = strstr(opt->name, " -check ")) {
16743 if(sscanf(p, " -check %d", &def) < 1) return FALSE;
16744 opt->value = (def != 0);
16745 opt->type = CheckBox;
16746 } else if(p = strstr(opt->name, " -combo ")) {
16747 opt->textValue = (char*) (opt->choice = &cps->comboList[cps->comboCnt]); // cheat with pointer type
16748 cps->comboList[cps->comboCnt++] = q = p+8; // holds possible choices
16749 if(*q == '*') cps->comboList[cps->comboCnt-1]++;
16750 opt->value = n = 0;
16751 while(q = StrStr(q, " /// ")) {
16752 n++; *q = 0; // count choices, and null-terminate each of them
16754 if(*q == '*') { // remember default, which is marked with * prefix
16758 cps->comboList[cps->comboCnt++] = q;
16760 cps->comboList[cps->comboCnt++] = NULL;
16762 opt->type = ComboBox;
16763 } else if(p = strstr(opt->name, " -button")) {
16764 opt->type = Button;
16765 } else if(p = strstr(opt->name, " -save")) {
16766 opt->type = SaveButton;
16767 } else return FALSE;
16768 *p = 0; // terminate option name
16769 // now look if the command-line options define a setting for this engine option.
16770 if(cps->optionSettings && cps->optionSettings[0])
16771 p = strstr(cps->optionSettings, opt->name); else p = NULL;
16772 if(p && (p == cps->optionSettings || p[-1] == ',')) {
16773 snprintf(buf, MSG_SIZ, "option %s", p);
16774 if(p = strstr(buf, ",")) *p = 0;
16775 if(q = strchr(buf, '=')) switch(opt->type) {
16777 for(n=0; n<opt->max; n++)
16778 if(!strcmp(((char**)opt->textValue)[n], q+1)) opt->value = n;
16781 safeStrCpy(opt->textValue, q+1, MSG_SIZ - (opt->textValue - opt->name));
16785 opt->value = atoi(q+1);
16790 SendToProgram(buf, cps);
16796 FeatureDone (ChessProgramState *cps, int val)
16798 DelayedEventCallback cb = GetDelayedEvent();
16799 if ((cb == InitBackEnd3 && cps == &first) ||
16800 (cb == SettingsMenuIfReady && cps == &second) ||
16801 (cb == LoadEngine) ||
16802 (cb == TwoMachinesEventIfReady)) {
16803 CancelDelayedEvent();
16804 ScheduleDelayedEvent(cb, val ? 1 : 3600000);
16806 cps->initDone = val;
16807 if(val) cps->reload = FALSE;
16810 /* Parse feature command from engine */
16812 ParseFeatures (char *args, ChessProgramState *cps)
16820 while (*p == ' ') p++;
16821 if (*p == NULLCHAR) return;
16823 if (BoolFeature(&p, "setboard", &cps->useSetboard, cps)) continue;
16824 if (BoolFeature(&p, "xedit", &cps->extendedEdit, cps)) continue;
16825 if (BoolFeature(&p, "time", &cps->sendTime, cps)) continue;
16826 if (BoolFeature(&p, "draw", &cps->sendDrawOffers, cps)) continue;
16827 if (BoolFeature(&p, "sigint", &cps->useSigint, cps)) continue;
16828 if (BoolFeature(&p, "sigterm", &cps->useSigterm, cps)) continue;
16829 if (BoolFeature(&p, "reuse", &val, cps)) {
16830 /* Engine can disable reuse, but can't enable it if user said no */
16831 if (!val) cps->reuse = FALSE;
16834 if (BoolFeature(&p, "analyze", &cps->analysisSupport, cps)) continue;
16835 if (StringFeature(&p, "myname", &cps->tidy, cps)) {
16836 if (gameMode == TwoMachinesPlay) {
16837 DisplayTwoMachinesTitle();
16843 if (StringFeature(&p, "variants", &cps->variants, cps)) continue;
16844 if (BoolFeature(&p, "san", &cps->useSAN, cps)) continue;
16845 if (BoolFeature(&p, "ping", &cps->usePing, cps)) continue;
16846 if (BoolFeature(&p, "playother", &cps->usePlayother, cps)) continue;
16847 if (BoolFeature(&p, "colors", &cps->useColors, cps)) continue;
16848 if (BoolFeature(&p, "usermove", &cps->useUsermove, cps)) continue;
16849 if (BoolFeature(&p, "exclude", &cps->excludeMoves, cps)) continue;
16850 if (BoolFeature(&p, "ics", &cps->sendICS, cps)) continue;
16851 if (BoolFeature(&p, "name", &cps->sendName, cps)) continue;
16852 if (BoolFeature(&p, "pause", &cps->pause, cps)) continue; // [HGM] pause
16853 if (IntFeature(&p, "done", &val, cps)) {
16854 FeatureDone(cps, val);
16857 /* Added by Tord: */
16858 if (BoolFeature(&p, "fen960", &cps->useFEN960, cps)) continue;
16859 if (BoolFeature(&p, "oocastle", &cps->useOOCastle, cps)) continue;
16860 /* End of additions by Tord */
16862 /* [HGM] added features: */
16863 if (BoolFeature(&p, "highlight", &cps->highlight, cps)) continue;
16864 if (BoolFeature(&p, "debug", &cps->debug, cps)) continue;
16865 if (BoolFeature(&p, "nps", &cps->supportsNPS, cps)) continue;
16866 if (IntFeature(&p, "level", &cps->maxNrOfSessions, cps)) continue;
16867 if (BoolFeature(&p, "memory", &cps->memSize, cps)) continue;
16868 if (BoolFeature(&p, "smp", &cps->maxCores, cps)) continue;
16869 if (StringFeature(&p, "egt", &cps->egtFormats, cps)) continue;
16870 if (StringFeature(&p, "option", &q, cps)) { // read to freshly allocated temp buffer first
16871 if(cps->reload) { FREE(q); q = NULL; continue; } // we are reloading because of xreuse
16872 FREE(cps->option[cps->nrOptions].name);
16873 cps->option[cps->nrOptions].name = q; q = NULL;
16874 if(!ParseOption(&(cps->option[cps->nrOptions++]), cps)) { // [HGM] options: add option feature
16875 snprintf(buf, MSG_SIZ, "rejected option %s\n", cps->option[--cps->nrOptions].name);
16876 SendToProgram(buf, cps);
16879 if(cps->nrOptions >= MAX_OPTIONS) {
16881 snprintf(buf, MSG_SIZ, _("%s engine has too many options\n"), _(cps->which));
16882 DisplayError(buf, 0);
16886 /* End of additions by HGM */
16888 /* unknown feature: complain and skip */
16890 while (*q && *q != '=') q++;
16891 snprintf(buf, MSG_SIZ,"rejected %.*s\n", (int)(q-p), p);
16892 SendToProgram(buf, cps);
16898 while (*p && *p != '\"') p++;
16899 if (*p == '\"') p++;
16901 while (*p && *p != ' ') p++;
16909 PeriodicUpdatesEvent (int newState)
16911 if (newState == appData.periodicUpdates)
16914 appData.periodicUpdates=newState;
16916 /* Display type changes, so update it now */
16917 // DisplayAnalysis();
16919 /* Get the ball rolling again... */
16921 AnalysisPeriodicEvent(1);
16922 StartAnalysisClock();
16927 PonderNextMoveEvent (int newState)
16929 if (newState == appData.ponderNextMove) return;
16930 if (gameMode == EditPosition) EditPositionDone(TRUE);
16932 SendToProgram("hard\n", &first);
16933 if (gameMode == TwoMachinesPlay) {
16934 SendToProgram("hard\n", &second);
16937 SendToProgram("easy\n", &first);
16938 thinkOutput[0] = NULLCHAR;
16939 if (gameMode == TwoMachinesPlay) {
16940 SendToProgram("easy\n", &second);
16943 appData.ponderNextMove = newState;
16947 NewSettingEvent (int option, int *feature, char *command, int value)
16951 if (gameMode == EditPosition) EditPositionDone(TRUE);
16952 snprintf(buf, MSG_SIZ,"%s%s %d\n", (option ? "option ": ""), command, value);
16953 if(feature == NULL || *feature) SendToProgram(buf, &first);
16954 if (gameMode == TwoMachinesPlay) {
16955 if(feature == NULL || feature[(int*)&second - (int*)&first]) SendToProgram(buf, &second);
16960 ShowThinkingEvent ()
16961 // [HGM] thinking: this routine is now also called from "Options -> Engine..." popup
16963 static int oldState = 2; // kludge alert! Neither true nor fals, so first time oldState is always updated
16964 int newState = appData.showThinking
16965 // [HGM] thinking: other features now need thinking output as well
16966 || !appData.hideThinkingFromHuman || appData.adjudicateLossThreshold != 0 || EngineOutputIsUp();
16968 if (oldState == newState) return;
16969 oldState = newState;
16970 if (gameMode == EditPosition) EditPositionDone(TRUE);
16972 SendToProgram("post\n", &first);
16973 if (gameMode == TwoMachinesPlay) {
16974 SendToProgram("post\n", &second);
16977 SendToProgram("nopost\n", &first);
16978 thinkOutput[0] = NULLCHAR;
16979 if (gameMode == TwoMachinesPlay) {
16980 SendToProgram("nopost\n", &second);
16983 // appData.showThinking = newState; // [HGM] thinking: responsible option should already have be changed when calling this routine!
16987 AskQuestionEvent (char *title, char *question, char *replyPrefix, char *which)
16989 ProcRef pr = (which[0] == '1') ? first.pr : second.pr;
16990 if (pr == NoProc) return;
16991 AskQuestion(title, question, replyPrefix, pr);
16995 TypeInEvent (char firstChar)
16997 if ((gameMode == BeginningOfGame && !appData.icsActive) ||
16998 gameMode == MachinePlaysWhite || gameMode == MachinePlaysBlack ||
16999 gameMode == AnalyzeMode || gameMode == EditGame ||
17000 gameMode == EditPosition || gameMode == IcsExamining ||
17001 gameMode == IcsPlayingWhite || gameMode == IcsPlayingBlack ||
17002 isdigit(firstChar) && // [HGM] movenum: allow typing in of move nr in 'passive' modes
17003 ( gameMode == AnalyzeFile || gameMode == PlayFromGameFile ||
17004 gameMode == IcsObserving || gameMode == TwoMachinesPlay ) ||
17005 gameMode == Training) PopUpMoveDialog(firstChar);
17009 TypeInDoneEvent (char *move)
17012 int n, fromX, fromY, toX, toY;
17014 ChessMove moveType;
17017 if(gameMode == EditPosition && ParseFEN(board, &n, move, TRUE) ) {
17018 EditPositionPasteFEN(move);
17021 // [HGM] movenum: allow move number to be typed in any mode
17022 if(sscanf(move, "%d", &n) == 1 && n != 0 ) {
17026 // undocumented kludge: allow command-line option to be typed in!
17027 // (potentially fatal, and does not implement the effect of the option.)
17028 // should only be used for options that are values on which future decisions will be made,
17029 // and definitely not on options that would be used during initialization.
17030 if(strstr(move, "!!! -") == move) {
17031 ParseArgsFromString(move+4);
17035 if (gameMode != EditGame && currentMove != forwardMostMove &&
17036 gameMode != Training) {
17037 DisplayMoveError(_("Displayed move is not current"));
17039 int ok = ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17040 &moveType, &fromX, &fromY, &toX, &toY, &promoChar);
17041 if(!ok && move[0] >= 'a') { move[0] += 'A' - 'a'; ok = 2; } // [HGM] try also capitalized
17042 if (ok==1 || ok && ParseOneMove(move, gameMode == EditPosition ? blackPlaysFirst : currentMove,
17043 &moveType, &fromX, &fromY, &toX, &toY, &promoChar)) {
17044 UserMoveEvent(fromX, fromY, toX, toY, promoChar);
17046 DisplayMoveError(_("Could not parse move"));
17052 DisplayMove (int moveNumber)
17054 char message[MSG_SIZ];
17056 char cpThinkOutput[MSG_SIZ];
17058 if(appData.noGUI) return; // [HGM] fast: suppress display of moves
17060 if (moveNumber == forwardMostMove - 1 ||
17061 gameMode == AnalyzeMode || gameMode == AnalyzeFile) {
17063 safeStrCpy(cpThinkOutput, thinkOutput, sizeof(cpThinkOutput)/sizeof(cpThinkOutput[0]));
17065 if (strchr(cpThinkOutput, '\n')) {
17066 *strchr(cpThinkOutput, '\n') = NULLCHAR;
17069 *cpThinkOutput = NULLCHAR;
17072 /* [AS] Hide thinking from human user */
17073 if( appData.hideThinkingFromHuman && gameMode != TwoMachinesPlay ) {
17074 *cpThinkOutput = NULLCHAR;
17075 if( thinkOutput[0] != NULLCHAR ) {
17078 for( i=0; i<=hiddenThinkOutputState; i++ ) {
17079 cpThinkOutput[i] = '.';
17081 cpThinkOutput[i] = NULLCHAR;
17082 hiddenThinkOutputState = (hiddenThinkOutputState + 1) % 3;
17086 if (moveNumber == forwardMostMove - 1 &&
17087 gameInfo.resultDetails != NULL) {
17088 if (gameInfo.resultDetails[0] == NULLCHAR) {
17089 snprintf(res, MSG_SIZ, " %s", PGNResult(gameInfo.result));
17091 snprintf(res, MSG_SIZ, " {%s} %s",
17092 T_(gameInfo.resultDetails), PGNResult(gameInfo.result));
17098 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17099 DisplayMessage(res, cpThinkOutput);
17101 snprintf(message, MSG_SIZ, "%d.%s%s%s", moveNumber / 2 + 1,
17102 WhiteOnMove(moveNumber) ? " " : ".. ",
17103 parseList[moveNumber], res);
17104 DisplayMessage(message, cpThinkOutput);
17109 DisplayComment (int moveNumber, char *text)
17111 char title[MSG_SIZ];
17113 if (moveNumber < 0 || parseList[moveNumber][0] == NULLCHAR) {
17114 safeStrCpy(title, "Comment", sizeof(title)/sizeof(title[0]));
17116 snprintf(title,MSG_SIZ, "Comment on %d.%s%s", moveNumber / 2 + 1,
17117 WhiteOnMove(moveNumber) ? " " : ".. ",
17118 parseList[moveNumber]);
17120 if (text != NULL && (appData.autoDisplayComment || commentUp))
17121 CommentPopUp(title, text);
17124 /* This routine sends a ^C interrupt to gnuchess, to awaken it if it
17125 * might be busy thinking or pondering. It can be omitted if your
17126 * gnuchess is configured to stop thinking immediately on any user
17127 * input. However, that gnuchess feature depends on the FIONREAD
17128 * ioctl, which does not work properly on some flavors of Unix.
17131 Attention (ChessProgramState *cps)
17134 if (!cps->useSigint) return;
17135 if (appData.noChessProgram || (cps->pr == NoProc)) return;
17136 switch (gameMode) {
17137 case MachinePlaysWhite:
17138 case MachinePlaysBlack:
17139 case TwoMachinesPlay:
17140 case IcsPlayingWhite:
17141 case IcsPlayingBlack:
17144 /* Skip if we know it isn't thinking */
17145 if (!cps->maybeThinking) return;
17146 if (appData.debugMode)
17147 fprintf(debugFP, "Interrupting %s\n", cps->which);
17148 InterruptChildProcess(cps->pr);
17149 cps->maybeThinking = FALSE;
17154 #endif /*ATTENTION*/
17160 if (whiteTimeRemaining <= 0) {
17163 if (appData.icsActive) {
17164 if (appData.autoCallFlag &&
17165 gameMode == IcsPlayingBlack && !blackFlag) {
17166 SendToICS(ics_prefix);
17167 SendToICS("flag\n");
17171 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17173 if(gameMode != TwoMachinesPlay) DisplayTitle(_("White's flag fell"));
17174 if (appData.autoCallFlag) {
17175 GameEnds(BlackWins, "Black wins on time", GE_XBOARD);
17182 if (blackTimeRemaining <= 0) {
17185 if (appData.icsActive) {
17186 if (appData.autoCallFlag &&
17187 gameMode == IcsPlayingWhite && !whiteFlag) {
17188 SendToICS(ics_prefix);
17189 SendToICS("flag\n");
17193 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Both flags fell"));
17195 if(gameMode != TwoMachinesPlay) DisplayTitle(_("Black's flag fell"));
17196 if (appData.autoCallFlag) {
17197 GameEnds(WhiteWins, "White wins on time", GE_XBOARD);
17208 CheckTimeControl ()
17210 if (!appData.clockMode || appData.icsActive || searchTime || // [HGM] st: no inc in st mode
17211 gameMode == PlayFromGameFile || forwardMostMove == 0) return;
17214 * add time to clocks when time control is achieved ([HGM] now also used for increment)
17216 if ( !WhiteOnMove(forwardMostMove) ) {
17217 /* White made time control */
17218 lastWhite -= whiteTimeRemaining; // [HGM] contains start time, socalculate thinking time
17219 whiteTimeRemaining += GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, lastWhite, whiteTC)
17220 /* [HGM] time odds: correct new time quota for time odds! */
17221 / WhitePlayer()->timeOdds;
17222 lastBlack = blackTimeRemaining; // [HGM] leave absolute time (after quota), so next switch we can us it to calculate thinking time
17224 lastBlack -= blackTimeRemaining;
17225 /* Black made time control */
17226 blackTimeRemaining += GetTimeQuota((forwardMostMove-blackStartMove-1)/2, lastBlack, blackTC)
17227 / WhitePlayer()->other->timeOdds;
17228 lastWhite = whiteTimeRemaining;
17233 DisplayBothClocks ()
17235 int wom = gameMode == EditPosition ?
17236 !blackPlaysFirst : WhiteOnMove(currentMove);
17237 DisplayWhiteClock(whiteTimeRemaining, wom);
17238 DisplayBlackClock(blackTimeRemaining, !wom);
17242 /* Timekeeping seems to be a portability nightmare. I think everyone
17243 has ftime(), but I'm really not sure, so I'm including some ifdefs
17244 to use other calls if you don't. Clocks will be less accurate if
17245 you have neither ftime nor gettimeofday.
17248 /* VS 2008 requires the #include outside of the function */
17249 #if !HAVE_GETTIMEOFDAY && HAVE_FTIME
17250 #include <sys/timeb.h>
17253 /* Get the current time as a TimeMark */
17255 GetTimeMark (TimeMark *tm)
17257 #if HAVE_GETTIMEOFDAY
17259 struct timeval timeVal;
17260 struct timezone timeZone;
17262 gettimeofday(&timeVal, &timeZone);
17263 tm->sec = (long) timeVal.tv_sec;
17264 tm->ms = (int) (timeVal.tv_usec / 1000L);
17266 #else /*!HAVE_GETTIMEOFDAY*/
17269 // include <sys/timeb.h> / moved to just above start of function
17270 struct timeb timeB;
17273 tm->sec = (long) timeB.time;
17274 tm->ms = (int) timeB.millitm;
17276 #else /*!HAVE_FTIME && !HAVE_GETTIMEOFDAY*/
17277 tm->sec = (long) time(NULL);
17283 /* Return the difference in milliseconds between two
17284 time marks. We assume the difference will fit in a long!
17287 SubtractTimeMarks (TimeMark *tm2, TimeMark *tm1)
17289 return 1000L*(tm2->sec - tm1->sec) +
17290 (long) (tm2->ms - tm1->ms);
17295 * Code to manage the game clocks.
17297 * In tournament play, black starts the clock and then white makes a move.
17298 * We give the human user a slight advantage if he is playing white---the
17299 * clocks don't run until he makes his first move, so it takes zero time.
17300 * Also, we don't account for network lag, so we could get out of sync
17301 * with GNU Chess's clock -- but then, referees are always right.
17304 static TimeMark tickStartTM;
17305 static long intendedTickLength;
17308 NextTickLength (long timeRemaining)
17310 long nominalTickLength, nextTickLength;
17312 if (timeRemaining > 0L && timeRemaining <= 10000L)
17313 nominalTickLength = 100L;
17315 nominalTickLength = 1000L;
17316 nextTickLength = timeRemaining % nominalTickLength;
17317 if (nextTickLength <= 0) nextTickLength += nominalTickLength;
17319 return nextTickLength;
17322 /* Adjust clock one minute up or down */
17324 AdjustClock (Boolean which, int dir)
17326 if(appData.autoCallFlag) { DisplayError(_("Clock adjustment not allowed in auto-flag mode"), 0); return; }
17327 if(which) blackTimeRemaining += 60000*dir;
17328 else whiteTimeRemaining += 60000*dir;
17329 DisplayBothClocks();
17330 adjustedClock = TRUE;
17333 /* Stop clocks and reset to a fresh time control */
17337 (void) StopClockTimer();
17338 if (appData.icsActive) {
17339 whiteTimeRemaining = blackTimeRemaining = 0;
17340 } else if (searchTime) {
17341 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17342 blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17343 } else { /* [HGM] correct new time quote for time odds */
17344 whiteTC = blackTC = fullTimeControlString;
17345 whiteTimeRemaining = GetTimeQuota(-1, 0, whiteTC) / WhitePlayer()->timeOdds;
17346 blackTimeRemaining = GetTimeQuota(-1, 0, blackTC) / WhitePlayer()->other->timeOdds;
17348 if (whiteFlag || blackFlag) {
17350 whiteFlag = blackFlag = FALSE;
17352 lastWhite = lastBlack = whiteStartMove = blackStartMove = 0;
17353 DisplayBothClocks();
17354 adjustedClock = FALSE;
17357 #define FUDGE 25 /* 25ms = 1/40 sec; should be plenty even for 50 Hz clocks */
17359 /* Decrement running clock by amount of time that has passed */
17363 long timeRemaining;
17364 long lastTickLength, fudge;
17367 if (!appData.clockMode) return;
17368 if (gameMode==AnalyzeMode || gameMode == AnalyzeFile) return;
17372 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17374 /* Fudge if we woke up a little too soon */
17375 fudge = intendedTickLength - lastTickLength;
17376 if (fudge < 0 || fudge > FUDGE) fudge = 0;
17378 if (WhiteOnMove(forwardMostMove)) {
17379 if(whiteNPS >= 0) lastTickLength = 0;
17380 timeRemaining = whiteTimeRemaining -= lastTickLength;
17381 if(timeRemaining < 0 && !appData.icsActive) {
17382 GetTimeQuota((forwardMostMove-whiteStartMove-1)/2, 0, whiteTC); // sets suddenDeath & nextSession;
17383 if(suddenDeath) { // [HGM] if we run out of a non-last incremental session, go to the next
17384 whiteStartMove = forwardMostMove; whiteTC = nextSession;
17385 lastWhite= timeRemaining = whiteTimeRemaining += GetTimeQuota(-1, 0, whiteTC);
17388 DisplayWhiteClock(whiteTimeRemaining - fudge,
17389 WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17391 if(blackNPS >= 0) lastTickLength = 0;
17392 timeRemaining = blackTimeRemaining -= lastTickLength;
17393 if(timeRemaining < 0 && !appData.icsActive) { // [HGM] if we run out of a non-last incremental session, go to the next
17394 GetTimeQuota((forwardMostMove-blackStartMove-1)/2, 0, blackTC);
17396 blackStartMove = forwardMostMove;
17397 lastBlack = timeRemaining = blackTimeRemaining += GetTimeQuota(-1, 0, blackTC=nextSession);
17400 DisplayBlackClock(blackTimeRemaining - fudge,
17401 !WhiteOnMove(currentMove < forwardMostMove ? currentMove : forwardMostMove));
17403 if (CheckFlags()) return;
17405 if(twoBoards) { // count down secondary board's clocks as well
17406 activePartnerTime -= lastTickLength;
17408 if(activePartner == 'W')
17409 DisplayWhiteClock(activePartnerTime, TRUE); // the counting clock is always the highlighted one!
17411 DisplayBlackClock(activePartnerTime, TRUE);
17416 intendedTickLength = NextTickLength(timeRemaining - fudge) + fudge;
17417 StartClockTimer(intendedTickLength);
17419 /* if the time remaining has fallen below the alarm threshold, sound the
17420 * alarm. if the alarm has sounded and (due to a takeback or time control
17421 * with increment) the time remaining has increased to a level above the
17422 * threshold, reset the alarm so it can sound again.
17425 if (appData.icsActive && appData.icsAlarm) {
17427 /* make sure we are dealing with the user's clock */
17428 if (!( ((gameMode == IcsPlayingWhite) && WhiteOnMove(currentMove)) ||
17429 ((gameMode == IcsPlayingBlack) && !WhiteOnMove(currentMove))
17432 if (alarmSounded && (timeRemaining > appData.icsAlarmTime)) {
17433 alarmSounded = FALSE;
17434 } else if (!alarmSounded && (timeRemaining <= appData.icsAlarmTime)) {
17436 alarmSounded = TRUE;
17442 /* A player has just moved, so stop the previously running
17443 clock and (if in clock mode) start the other one.
17444 We redisplay both clocks in case we're in ICS mode, because
17445 ICS gives us an update to both clocks after every move.
17446 Note that this routine is called *after* forwardMostMove
17447 is updated, so the last fractional tick must be subtracted
17448 from the color that is *not* on move now.
17451 SwitchClocks (int newMoveNr)
17453 long lastTickLength;
17455 int flagged = FALSE;
17459 if (StopClockTimer() && appData.clockMode) {
17460 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17461 if (!WhiteOnMove(forwardMostMove)) {
17462 if(blackNPS >= 0) lastTickLength = 0;
17463 blackTimeRemaining -= lastTickLength;
17464 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17465 // if(pvInfoList[forwardMostMove].time == -1)
17466 pvInfoList[forwardMostMove].time = // use GUI time
17467 (timeRemaining[1][forwardMostMove-1] - blackTimeRemaining)/10;
17469 if(whiteNPS >= 0) lastTickLength = 0;
17470 whiteTimeRemaining -= lastTickLength;
17471 /* [HGM] PGNtime: save time for PGN file if engine did not give it */
17472 // if(pvInfoList[forwardMostMove].time == -1)
17473 pvInfoList[forwardMostMove].time =
17474 (timeRemaining[0][forwardMostMove-1] - whiteTimeRemaining)/10;
17476 flagged = CheckFlags();
17478 forwardMostMove = newMoveNr; // [HGM] race: change stm when no timer interrupt scheduled
17479 CheckTimeControl();
17481 if (flagged || !appData.clockMode) return;
17483 switch (gameMode) {
17484 case MachinePlaysBlack:
17485 case MachinePlaysWhite:
17486 case BeginningOfGame:
17487 if (pausing) return;
17491 case PlayFromGameFile:
17499 if (searchTime) { // [HGM] st: set clock of player that has to move to max time
17500 if(WhiteOnMove(forwardMostMove))
17501 whiteTimeRemaining = 1000*searchTime / WhitePlayer()->timeOdds;
17502 else blackTimeRemaining = 1000*searchTime / WhitePlayer()->other->timeOdds;
17506 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17507 whiteTimeRemaining : blackTimeRemaining);
17508 StartClockTimer(intendedTickLength);
17512 /* Stop both clocks */
17516 long lastTickLength;
17519 if (!StopClockTimer()) return;
17520 if (!appData.clockMode) return;
17524 lastTickLength = SubtractTimeMarks(&now, &tickStartTM);
17525 if (WhiteOnMove(forwardMostMove)) {
17526 if(whiteNPS >= 0) lastTickLength = 0;
17527 whiteTimeRemaining -= lastTickLength;
17528 DisplayWhiteClock(whiteTimeRemaining, WhiteOnMove(currentMove));
17530 if(blackNPS >= 0) lastTickLength = 0;
17531 blackTimeRemaining -= lastTickLength;
17532 DisplayBlackClock(blackTimeRemaining, !WhiteOnMove(currentMove));
17537 /* Start clock of player on move. Time may have been reset, so
17538 if clock is already running, stop and restart it. */
17542 (void) StopClockTimer(); /* in case it was running already */
17543 DisplayBothClocks();
17544 if (CheckFlags()) return;
17546 if (!appData.clockMode) return;
17547 if (gameMode == AnalyzeMode || gameMode == AnalyzeFile) return;
17549 GetTimeMark(&tickStartTM);
17550 intendedTickLength = NextTickLength(WhiteOnMove(forwardMostMove) ?
17551 whiteTimeRemaining : blackTimeRemaining);
17553 /* [HGM] nps: figure out nps factors, by determining which engine plays white and/or black once and for all */
17554 whiteNPS = blackNPS = -1;
17555 if(gameMode == MachinePlaysWhite || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w'
17556 || appData.zippyPlay && gameMode == IcsPlayingBlack) // first (perhaps only) engine has white
17557 whiteNPS = first.nps;
17558 if(gameMode == MachinePlaysBlack || gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b'
17559 || appData.zippyPlay && gameMode == IcsPlayingWhite) // first (perhaps only) engine has black
17560 blackNPS = first.nps;
17561 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'b') // second only used in Two-Machines mode
17562 whiteNPS = second.nps;
17563 if(gameMode == TwoMachinesPlay && first.twoMachinesColor[0] == 'w')
17564 blackNPS = second.nps;
17565 if(appData.debugMode) fprintf(debugFP, "nps: w=%d, b=%d\n", whiteNPS, blackNPS);
17567 StartClockTimer(intendedTickLength);
17571 TimeString (long ms)
17573 long second, minute, hour, day;
17575 static char buf[32];
17577 if (ms > 0 && ms <= 9900) {
17578 /* convert milliseconds to tenths, rounding up */
17579 double tenths = floor( ((double)(ms + 99L)) / 100.00 );
17581 snprintf(buf,sizeof(buf)/sizeof(buf[0]), " %03.1f ", tenths/10.0);
17585 /* convert milliseconds to seconds, rounding up */
17586 /* use floating point to avoid strangeness of integer division
17587 with negative dividends on many machines */
17588 second = (long) floor(((double) (ms + 999L)) / 1000.0);
17595 day = second / (60 * 60 * 24);
17596 second = second % (60 * 60 * 24);
17597 hour = second / (60 * 60);
17598 second = second % (60 * 60);
17599 minute = second / 60;
17600 second = second % 60;
17603 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld:%02ld ",
17604 sign, day, hour, minute, second);
17606 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%ld:%02ld:%02ld ", sign, hour, minute, second);
17608 snprintf(buf, sizeof(buf)/sizeof(buf[0]), " %s%2ld:%02ld ", sign, minute, second);
17615 * This is necessary because some C libraries aren't ANSI C compliant yet.
17618 StrStr (char *string, char *match)
17622 length = strlen(match);
17624 for (i = strlen(string) - length; i >= 0; i--, string++)
17625 if (!strncmp(match, string, length))
17632 StrCaseStr (char *string, char *match)
17636 length = strlen(match);
17638 for (i = strlen(string) - length; i >= 0; i--, string++) {
17639 for (j = 0; j < length; j++) {
17640 if (ToLower(match[j]) != ToLower(string[j]))
17643 if (j == length) return string;
17651 StrCaseCmp (char *s1, char *s2)
17656 c1 = ToLower(*s1++);
17657 c2 = ToLower(*s2++);
17658 if (c1 > c2) return 1;
17659 if (c1 < c2) return -1;
17660 if (c1 == NULLCHAR) return 0;
17668 return isupper(c) ? tolower(c) : c;
17675 return islower(c) ? toupper(c) : c;
17677 #endif /* !_amigados */
17684 if ((ret = (char *) malloc(strlen(s) + 1)))
17686 safeStrCpy(ret, s, strlen(s)+1);
17692 StrSavePtr (char *s, char **savePtr)
17697 if ((*savePtr = (char *) malloc(strlen(s) + 1))) {
17698 safeStrCpy(*savePtr, s, strlen(s)+1);
17710 clock = time((time_t *)NULL);
17711 tm = localtime(&clock);
17712 snprintf(buf, MSG_SIZ, "%04d.%02d.%02d",
17713 tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday);
17714 return StrSave(buf);
17719 PositionToFEN (int move, char *overrideCastling, int moveCounts)
17721 int i, j, fromX, fromY, toX, toY;
17728 whiteToPlay = (gameMode == EditPosition) ?
17729 !blackPlaysFirst : (move % 2 == 0);
17732 /* Piece placement data */
17733 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17734 if(MSG_SIZ - (p - buf) < BOARD_RGHT - BOARD_LEFT + 20) { *p = 0; return StrSave(buf); }
17736 for (j = BOARD_LEFT; j < BOARD_RGHT; j++) {
17737 if (boards[move][i][j] == EmptySquare) {
17739 } else { ChessSquare piece = boards[move][i][j];
17740 if (emptycount > 0) {
17741 if(emptycount<10) /* [HGM] can be >= 10 */
17742 *p++ = '0' + emptycount;
17743 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17746 if(PieceToChar(piece) == '+') {
17747 /* [HGM] write promoted pieces as '+<unpromoted>' (Shogi) */
17749 piece = (ChessSquare)(CHUDEMOTED piece);
17751 *p++ = (piece == DarkSquare ? '*' : PieceToChar(piece));
17753 /* [HGM] flag promoted pieces as '<promoted>~' (Crazyhouse) */
17754 p[-1] = PieceToChar((ChessSquare)(CHUDEMOTED piece));
17759 if (emptycount > 0) {
17760 if(emptycount<10) /* [HGM] can be >= 10 */
17761 *p++ = '0' + emptycount;
17762 else { *p++ = '0' + emptycount/10; *p++ = '0' + emptycount%10; }
17769 /* [HGM] print Crazyhouse or Shogi holdings */
17770 if( gameInfo.holdingsWidth ) {
17771 *(p-1) = '['; /* if we wanted to support BFEN, this could be '/' */
17773 for(i=0; i<gameInfo.holdingsSize; i++) { /* white holdings */
17774 piece = boards[move][i][BOARD_WIDTH-1];
17775 if( piece != EmptySquare )
17776 for(j=0; j<(int) boards[move][i][BOARD_WIDTH-2]; j++)
17777 *p++ = PieceToChar(piece);
17779 for(i=0; i<gameInfo.holdingsSize; i++) { /* black holdings */
17780 piece = boards[move][BOARD_HEIGHT-i-1][0];
17781 if( piece != EmptySquare )
17782 for(j=0; j<(int) boards[move][BOARD_HEIGHT-i-1][1]; j++)
17783 *p++ = PieceToChar(piece);
17786 if( q == p ) *p++ = '-';
17792 *p++ = whiteToPlay ? 'w' : 'b';
17795 if(q = overrideCastling) { // [HGM] FRC: override castling & e.p fields for non-compliant engines
17796 while(*p++ = *q++); if(q != overrideCastling+1) p[-1] = ' '; else --p;
17798 if(nrCastlingRights) {
17800 if(appData.fischerCastling) {
17801 /* [HGM] write directly from rights */
17802 if(boards[move][CASTLING][2] != NoRights &&
17803 boards[move][CASTLING][0] != NoRights )
17804 *p++ = boards[move][CASTLING][0] + AAA + 'A' - 'a';
17805 if(boards[move][CASTLING][2] != NoRights &&
17806 boards[move][CASTLING][1] != NoRights )
17807 *p++ = boards[move][CASTLING][1] + AAA + 'A' - 'a';
17808 if(boards[move][CASTLING][5] != NoRights &&
17809 boards[move][CASTLING][3] != NoRights )
17810 *p++ = boards[move][CASTLING][3] + AAA;
17811 if(boards[move][CASTLING][5] != NoRights &&
17812 boards[move][CASTLING][4] != NoRights )
17813 *p++ = boards[move][CASTLING][4] + AAA;
17816 /* [HGM] write true castling rights */
17817 if( nrCastlingRights == 6 ) {
17819 if(boards[move][CASTLING][0] == BOARD_RGHT-1 &&
17820 boards[move][CASTLING][2] != NoRights ) k = 1, *p++ = 'K';
17821 q = (boards[move][CASTLING][1] == BOARD_LEFT &&
17822 boards[move][CASTLING][2] != NoRights );
17823 if(gameInfo.variant == VariantSChess) { // for S-Chess, indicate all vrgin backrank pieces
17824 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_RGHT]; // count white held pieces
17825 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17826 if((boards[move][0][i] != WhiteKing || k+q == 0) &&
17827 boards[move][VIRGIN][i] & VIRGIN_W) *p++ = i + AAA + 'A' - 'a';
17831 if(boards[move][CASTLING][3] == BOARD_RGHT-1 &&
17832 boards[move][CASTLING][5] != NoRights ) k = 1, *p++ = 'k';
17833 q = (boards[move][CASTLING][4] == BOARD_LEFT &&
17834 boards[move][CASTLING][5] != NoRights );
17835 if(gameInfo.variant == VariantSChess) {
17836 for(i=j=0; i<BOARD_HEIGHT; i++) j += boards[move][i][BOARD_LEFT-1]; // count black held pieces
17837 for(i=BOARD_RGHT-1-k; i>=BOARD_LEFT+q && j; i--)
17838 if((boards[move][BOARD_HEIGHT-1][i] != BlackKing || k+q == 0) &&
17839 boards[move][VIRGIN][i] & VIRGIN_B) *p++ = i + AAA;
17844 if (q == p) *p++ = '-'; /* No castling rights */
17848 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
17849 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
17850 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
17851 /* En passant target square */
17852 if (move > backwardMostMove) {
17853 fromX = moveList[move - 1][0] - AAA;
17854 fromY = moveList[move - 1][1] - ONE;
17855 toX = moveList[move - 1][2] - AAA;
17856 toY = moveList[move - 1][3] - ONE;
17857 if (fromY == (whiteToPlay ? BOARD_HEIGHT-2 : 1) &&
17858 toY == (whiteToPlay ? BOARD_HEIGHT-4 : 3) &&
17859 boards[move][toY][toX] == (whiteToPlay ? BlackPawn : WhitePawn) &&
17861 /* 2-square pawn move just happened */
17863 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17867 } else if(move == backwardMostMove) {
17868 // [HGM] perhaps we should always do it like this, and forget the above?
17869 if((signed char)boards[move][EP_STATUS] >= 0) {
17870 *p++ = boards[move][EP_STATUS] + AAA;
17871 *p++ = whiteToPlay ? '6'+BOARD_HEIGHT-8 : '3';
17883 { int i = 0, j=move;
17885 /* [HGM] find reversible plies */
17886 if (appData.debugMode) { int k;
17887 fprintf(debugFP, "write FEN 50-move: %d %d %d\n", initialRulePlies, forwardMostMove, backwardMostMove);
17888 for(k=backwardMostMove; k<=forwardMostMove; k++)
17889 fprintf(debugFP, "e%d. p=%d\n", k, (signed char)boards[k][EP_STATUS]);
17893 while(j > backwardMostMove && (signed char)boards[j][EP_STATUS] <= EP_NONE) j--,i++;
17894 if( j == backwardMostMove ) i += initialRulePlies;
17895 sprintf(p, "%d ", i);
17896 p += i>=100 ? 4 : i >= 10 ? 3 : 2;
17898 /* Fullmove number */
17899 sprintf(p, "%d", (move / 2) + 1);
17900 } else *--p = NULLCHAR;
17902 return StrSave(buf);
17906 ParseFEN (Board board, int *blackPlaysFirst, char *fen, Boolean autoSize)
17908 int i, j, k, w=0, subst=0, shuffle=0;
17910 int emptycount, virgin[BOARD_FILES];
17915 /* Piece placement data */
17916 for (i = BOARD_HEIGHT - 1; i >= 0; i--) {
17919 if (*p == '/' || *p == ' ' || *p == '[' ) {
17921 emptycount = gameInfo.boardWidth - j;
17922 while (emptycount--)
17923 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17924 if (*p == '/') p++;
17925 else if(autoSize) { // we stumbled unexpectedly into end of board
17926 for(k=i; k<BOARD_HEIGHT; k++) { // too few ranks; shift towards bottom
17927 for(j=0; j<BOARD_WIDTH; j++) board[k-i][j] = board[k][j];
17929 appData.NrRanks = gameInfo.boardHeight - i; i=0;
17932 #if(BOARD_FILES >= 10)*0
17933 } else if(*p=='x' || *p=='X') { /* [HGM] X means 10 */
17934 p++; emptycount=10;
17935 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17936 while (emptycount--)
17937 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17939 } else if (*p == '*') {
17940 board[i][(j++)+gameInfo.holdingsWidth] = DarkSquare; p++;
17941 } else if (isdigit(*p)) {
17942 emptycount = *p++ - '0';
17943 while(isdigit(*p)) emptycount = 10*emptycount + *p++ - '0'; /* [HGM] allow > 9 */
17944 if (j + emptycount > gameInfo.boardWidth) return FALSE;
17945 while (emptycount--)
17946 board[i][(j++)+gameInfo.holdingsWidth] = EmptySquare;
17947 } else if (*p == '<') {
17948 if(i == BOARD_HEIGHT-1) shuffle = 1;
17949 else if (i != 0 || !shuffle) return FALSE;
17951 } else if (shuffle && *p == '>') {
17952 p++; // for now ignore closing shuffle range, and assume rank-end
17953 } else if (*p == '?') {
17954 if (j >= gameInfo.boardWidth) return FALSE;
17955 if (i != 0 && i != BOARD_HEIGHT-1) return FALSE; // only on back-rank
17956 board[i][(j++)+gameInfo.holdingsWidth] = ClearBoard; p++; subst++; // placeHolder
17957 } else if (*p == '+' || isalpha(*p)) {
17958 if (j >= gameInfo.boardWidth) return FALSE;
17960 piece = CharToPiece(*++p);
17961 if(piece == EmptySquare) return FALSE; /* unknown piece */
17962 piece = (ChessSquare) (CHUPROMOTED piece ); p++;
17963 if(PieceToChar(piece) != '+') return FALSE; /* unpromotable piece */
17964 } else piece = CharToPiece(*p++);
17966 if(piece==EmptySquare) return FALSE; /* unknown piece */
17967 if(*p == '~') { /* [HGM] make it a promoted piece for Crazyhouse */
17968 piece = (ChessSquare) (PROMOTED piece);
17969 if(PieceToChar(piece) != '~') return FALSE; /* cannot be a promoted piece */
17972 board[i][(j++)+gameInfo.holdingsWidth] = piece;
17978 while (*p == '/' || *p == ' ') p++;
17980 if(autoSize) appData.NrFiles = w, InitPosition(TRUE);
17982 /* [HGM] by default clear Crazyhouse holdings, if present */
17983 if(gameInfo.holdingsWidth) {
17984 for(i=0; i<BOARD_HEIGHT; i++) {
17985 board[i][0] = EmptySquare; /* black holdings */
17986 board[i][BOARD_WIDTH-1] = EmptySquare; /* white holdings */
17987 board[i][1] = (ChessSquare) 0; /* black counts */
17988 board[i][BOARD_WIDTH-2] = (ChessSquare) 0; /* white counts */
17992 /* [HGM] look for Crazyhouse holdings here */
17993 while(*p==' ') p++;
17994 if( gameInfo.holdingsWidth && p[-1] == '/' || *p == '[') {
17995 int swap=0, wcnt=0, bcnt=0;
17997 if(*p == '<') swap++, p++;
17998 if(*p == '-' ) p++; /* empty holdings */ else {
17999 if( !gameInfo.holdingsWidth ) return FALSE; /* no room to put holdings! */
18000 /* if we would allow FEN reading to set board size, we would */
18001 /* have to add holdings and shift the board read so far here */
18002 while( (piece = CharToPiece(*p) ) != EmptySquare ) {
18004 if((int) piece >= (int) BlackPawn ) {
18005 i = (int)piece - (int)BlackPawn;
18006 i = PieceToNumber((ChessSquare)i);
18007 if( i >= gameInfo.holdingsSize ) return FALSE;
18008 board[BOARD_HEIGHT-1-i][0] = piece; /* black holdings */
18009 board[BOARD_HEIGHT-1-i][1]++; /* black counts */
18012 i = (int)piece - (int)WhitePawn;
18013 i = PieceToNumber((ChessSquare)i);
18014 if( i >= gameInfo.holdingsSize ) return FALSE;
18015 board[i][BOARD_WIDTH-1] = piece; /* white holdings */
18016 board[i][BOARD_WIDTH-2]++; /* black holdings */
18020 if(subst) { // substitute back-rank question marks by holdings pieces
18021 for(j=BOARD_LEFT; j<BOARD_RGHT; j++) {
18022 int k, m, n = bcnt + 1;
18023 if(board[0][j] == ClearBoard) {
18024 if(!wcnt) return FALSE;
18026 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((m -= board[k][BOARD_WIDTH-2]) < 0) {
18027 board[0][j] = board[k][BOARD_WIDTH-1]; wcnt--;
18028 if(--board[k][BOARD_WIDTH-2] == 0) board[k][BOARD_WIDTH-1] = EmptySquare;
18032 if(board[BOARD_HEIGHT-1][j] == ClearBoard) {
18033 if(!bcnt) return FALSE;
18034 if(n >= bcnt) n = rand() % bcnt; // use same randomization for black and white if possible
18035 for(k=0, m=n; k<gameInfo.holdingsSize; k++) if((n -= board[BOARD_HEIGHT-1-k][1]) < 0) {
18036 board[BOARD_HEIGHT-1][j] = board[BOARD_HEIGHT-1-k][0]; bcnt--;
18037 if(--board[BOARD_HEIGHT-1-k][1] == 0) board[BOARD_HEIGHT-1-k][0] = EmptySquare;
18048 if(subst) return FALSE; // substitution requested, but no holdings
18050 while(*p == ' ') p++;
18054 if(appData.colorNickNames) {
18055 if( c == appData.colorNickNames[0] ) c = 'w'; else
18056 if( c == appData.colorNickNames[1] ) c = 'b';
18060 *blackPlaysFirst = FALSE;
18063 *blackPlaysFirst = TRUE;
18069 /* [HGM] We NO LONGER ignore the rest of the FEN notation */
18070 /* return the extra info in global variiables */
18072 /* set defaults in case FEN is incomplete */
18073 board[EP_STATUS] = EP_UNKNOWN;
18074 for(i=0; i<nrCastlingRights; i++ ) {
18075 board[CASTLING][i] =
18076 appData.fischerCastling ? NoRights : initialRights[i];
18077 } /* assume possible unless obviously impossible */
18078 if(initialRights[0]!=NoRights && board[castlingRank[0]][initialRights[0]] != WhiteRook) board[CASTLING][0] = NoRights;
18079 if(initialRights[1]!=NoRights && board[castlingRank[1]][initialRights[1]] != WhiteRook) board[CASTLING][1] = NoRights;
18080 if(initialRights[2]!=NoRights && board[castlingRank[2]][initialRights[2]] != WhiteUnicorn
18081 && board[castlingRank[2]][initialRights[2]] != WhiteKing) board[CASTLING][2] = NoRights;
18082 if(initialRights[3]!=NoRights && board[castlingRank[3]][initialRights[3]] != BlackRook) board[CASTLING][3] = NoRights;
18083 if(initialRights[4]!=NoRights && board[castlingRank[4]][initialRights[4]] != BlackRook) board[CASTLING][4] = NoRights;
18084 if(initialRights[5]!=NoRights && board[castlingRank[5]][initialRights[5]] != BlackUnicorn
18085 && board[castlingRank[5]][initialRights[5]] != BlackKing) board[CASTLING][5] = NoRights;
18088 while(*p==' ') p++;
18089 if(nrCastlingRights) {
18091 if(gameInfo.variant == VariantSChess) for(i=0; i<BOARD_FILES; i++) virgin[i] = 0;
18092 if(*p >= 'A' && *p <= 'Z' || *p >= 'a' && *p <= 'z' || *p=='-') {
18093 /* castling indicator present, so default becomes no castlings */
18094 for(i=0; i<nrCastlingRights; i++ ) {
18095 board[CASTLING][i] = NoRights;
18098 while(*p=='K' || *p=='Q' || *p=='k' || *p=='q' || *p=='-' ||
18099 (appData.fischerCastling || gameInfo.variant == VariantSChess) &&
18100 ( *p >= 'a' && *p < 'a' + gameInfo.boardWidth) ||
18101 ( *p >= 'A' && *p < 'A' + gameInfo.boardWidth) ) {
18102 int c = *p++, whiteKingFile=NoRights, blackKingFile=NoRights;
18104 for(i=BOARD_LEFT; i<BOARD_RGHT; i++) {
18105 if(board[BOARD_HEIGHT-1][i] == BlackKing) blackKingFile = i;
18106 if(board[0 ][i] == WhiteKing) whiteKingFile = i;
18108 if(gameInfo.variant == VariantTwoKings || gameInfo.variant == VariantKnightmate)
18109 whiteKingFile = blackKingFile = BOARD_WIDTH >> 1; // for these variant scanning fails
18110 if(whiteKingFile == NoRights || board[0][whiteKingFile] != WhiteUnicorn
18111 && board[0][whiteKingFile] != WhiteKing) whiteKingFile = NoRights;
18112 if(blackKingFile == NoRights || board[BOARD_HEIGHT-1][blackKingFile] != BlackUnicorn
18113 && board[BOARD_HEIGHT-1][blackKingFile] != BlackKing) blackKingFile = NoRights;
18116 for(i=BOARD_RGHT-1; board[0][i]!=WhiteRook && i>whiteKingFile; i--);
18117 board[CASTLING][0] = i != whiteKingFile ? i : NoRights;
18118 board[CASTLING][2] = whiteKingFile;
18119 if(board[CASTLING][0] != NoRights) virgin[board[CASTLING][0]] |= VIRGIN_W;
18120 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18121 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18124 for(i=BOARD_LEFT; i<BOARD_RGHT && board[0][i]!=WhiteRook && i<whiteKingFile; i++);
18125 board[CASTLING][1] = i != whiteKingFile ? i : NoRights;
18126 board[CASTLING][2] = whiteKingFile;
18127 if(board[CASTLING][1] != NoRights) virgin[board[CASTLING][1]] |= VIRGIN_W;
18128 if(board[CASTLING][2] != NoRights) virgin[board[CASTLING][2]] |= VIRGIN_W;
18129 if(whiteKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18132 for(i=BOARD_RGHT-1; board[BOARD_HEIGHT-1][i]!=BlackRook && i>blackKingFile; i--);
18133 board[CASTLING][3] = i != blackKingFile ? i : NoRights;
18134 board[CASTLING][5] = blackKingFile;
18135 if(board[CASTLING][3] != NoRights) virgin[board[CASTLING][3]] |= VIRGIN_B;
18136 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18137 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_RGHT-1) fischer = 1;
18140 for(i=BOARD_LEFT; i<BOARD_RGHT && board[BOARD_HEIGHT-1][i]!=BlackRook && i<blackKingFile; i++);
18141 board[CASTLING][4] = i != blackKingFile ? i : NoRights;
18142 board[CASTLING][5] = blackKingFile;
18143 if(board[CASTLING][4] != NoRights) virgin[board[CASTLING][4]] |= VIRGIN_B;
18144 if(board[CASTLING][5] != NoRights) virgin[board[CASTLING][5]] |= VIRGIN_B;
18145 if(blackKingFile != BOARD_WIDTH>>1|| i != BOARD_LEFT) fischer = 1;
18148 default: /* FRC castlings */
18149 if(c >= 'a') { /* black rights */
18150 if(gameInfo.variant == VariantSChess) { virgin[c-AAA] |= VIRGIN_B; break; } // in S-Chess castlings are always kq, so just virginity
18151 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18152 if(board[BOARD_HEIGHT-1][i] == BlackKing) break;
18153 if(i == BOARD_RGHT) break;
18154 board[CASTLING][5] = i;
18156 if(board[BOARD_HEIGHT-1][c] < BlackPawn ||
18157 board[BOARD_HEIGHT-1][c] >= BlackKing ) break;
18159 board[CASTLING][3] = c;
18161 board[CASTLING][4] = c;
18162 } else { /* white rights */
18163 if(gameInfo.variant == VariantSChess) { virgin[c-AAA-'A'+'a'] |= VIRGIN_W; break; } // in S-Chess castlings are always KQ
18164 for(i=BOARD_LEFT; i<BOARD_RGHT; i++)
18165 if(board[0][i] == WhiteKing) break;
18166 if(i == BOARD_RGHT) break;
18167 board[CASTLING][2] = i;
18168 c -= AAA - 'a' + 'A';
18169 if(board[0][c] >= WhiteKing) break;
18171 board[CASTLING][0] = c;
18173 board[CASTLING][1] = c;
18177 for(i=0; i<nrCastlingRights; i++)
18178 if(board[CASTLING][i] != NoRights) initialRights[i] = board[CASTLING][i];
18179 if(gameInfo.variant == VariantSChess)
18180 for(i=0; i<BOARD_FILES; i++) board[VIRGIN][i] = shuffle ? VIRGIN_W | VIRGIN_B : virgin[i]; // when shuffling assume all virgin
18181 if(fischer && shuffle) appData.fischerCastling = TRUE;
18182 if (appData.debugMode) {
18183 fprintf(debugFP, "FEN castling rights:");
18184 for(i=0; i<nrCastlingRights; i++)
18185 fprintf(debugFP, " %d", board[CASTLING][i]);
18186 fprintf(debugFP, "\n");
18189 while(*p==' ') p++;
18192 if(shuffle) SetUpShuffle(board, appData.defaultFrcPosition);
18194 /* read e.p. field in games that know e.p. capture */
18195 if(gameInfo.variant != VariantShogi && gameInfo.variant != VariantXiangqi &&
18196 gameInfo.variant != VariantShatranj && gameInfo.variant != VariantCourier &&
18197 gameInfo.variant != VariantMakruk && gameInfo.variant != VariantASEAN ) {
18199 p++; board[EP_STATUS] = EP_NONE;
18201 char c = *p++ - AAA;
18203 if(c < BOARD_LEFT || c >= BOARD_RGHT) return TRUE;
18204 if(*p >= '0' && *p <='9') p++;
18205 board[EP_STATUS] = c;
18210 if(sscanf(p, "%d", &i) == 1) {
18211 FENrulePlies = i; /* 50-move ply counter */
18212 /* (The move number is still ignored) */
18219 EditPositionPasteFEN (char *fen)
18222 Board initial_position;
18224 if (!ParseFEN(initial_position, &blackPlaysFirst, fen, TRUE)) {
18225 DisplayError(_("Bad FEN position in clipboard"), 0);
18228 int savedBlackPlaysFirst = blackPlaysFirst;
18229 EditPositionEvent();
18230 blackPlaysFirst = savedBlackPlaysFirst;
18231 CopyBoard(boards[0], initial_position);
18232 initialRulePlies = FENrulePlies; /* [HGM] copy FEN attributes as well */
18233 EditPositionDone(FALSE); // [HGM] fake: do not fake rights if we had FEN
18234 DisplayBothClocks();
18235 DrawPosition(FALSE, boards[currentMove]);
18240 static char cseq[12] = "\\ ";
18243 set_cont_sequence (char *new_seq)
18248 // handle bad attempts to set the sequence
18250 return 0; // acceptable error - no debug
18252 len = strlen(new_seq);
18253 ret = (len > 0) && (len < sizeof(cseq));
18255 safeStrCpy(cseq, new_seq, sizeof(cseq)/sizeof(cseq[0]));
18256 else if (appData.debugMode)
18257 fprintf(debugFP, "Invalid continuation sequence \"%s\" (maximum length is: %u)\n", new_seq, (unsigned) sizeof(cseq)-1);
18262 reformat a source message so words don't cross the width boundary. internal
18263 newlines are not removed. returns the wrapped size (no null character unless
18264 included in source message). If dest is NULL, only calculate the size required
18265 for the dest buffer. lp argument indicats line position upon entry, and it's
18266 passed back upon exit.
18269 wrap (char *dest, char *src, int count, int width, int *lp)
18271 int len, i, ansi, cseq_len, line, old_line, old_i, old_len, clen;
18273 cseq_len = strlen(cseq);
18274 old_line = line = *lp;
18275 ansi = len = clen = 0;
18277 for (i=0; i < count; i++)
18279 if (src[i] == '\033')
18282 // if we hit the width, back up
18283 if (!ansi && (line >= width) && src[i] != '\n' && src[i] != ' ')
18285 // store i & len in case the word is too long
18286 old_i = i, old_len = len;
18288 // find the end of the last word
18289 while (i && src[i] != ' ' && src[i] != '\n')
18295 // word too long? restore i & len before splitting it
18296 if ((old_i-i+clen) >= width)
18303 if (i && src[i-1] == ' ')
18306 if (src[i] != ' ' && src[i] != '\n')
18313 // now append the newline and continuation sequence
18318 strncpy(dest+len, cseq, cseq_len);
18326 dest[len] = src[i];
18330 if (src[i] == '\n')
18335 if (dest && appData.debugMode)
18337 fprintf(debugFP, "wrap(count:%d,width:%d,line:%d,len:%d,*lp:%d,src: ",
18338 count, width, line, len, *lp);
18339 show_bytes(debugFP, src, count);
18340 fprintf(debugFP, "\ndest: ");
18341 show_bytes(debugFP, dest, len);
18342 fprintf(debugFP, "\n");
18344 *lp = dest ? line : old_line;
18349 // [HGM] vari: routines for shelving variations
18350 Boolean modeRestore = FALSE;
18353 PushInner (int firstMove, int lastMove)
18355 int i, j, nrMoves = lastMove - firstMove;
18357 // push current tail of game on stack
18358 savedResult[storedGames] = gameInfo.result;
18359 savedDetails[storedGames] = gameInfo.resultDetails;
18360 gameInfo.resultDetails = NULL;
18361 savedFirst[storedGames] = firstMove;
18362 savedLast [storedGames] = lastMove;
18363 savedFramePtr[storedGames] = framePtr;
18364 framePtr -= nrMoves; // reserve space for the boards
18365 for(i=nrMoves; i>=1; i--) { // copy boards to stack, working downwards, in case of overlap
18366 CopyBoard(boards[framePtr+i], boards[firstMove+i]);
18367 for(j=0; j<MOVE_LEN; j++)
18368 moveList[framePtr+i][j] = moveList[firstMove+i-1][j];
18369 for(j=0; j<2*MOVE_LEN; j++)
18370 parseList[framePtr+i][j] = parseList[firstMove+i-1][j];
18371 timeRemaining[0][framePtr+i] = timeRemaining[0][firstMove+i];
18372 timeRemaining[1][framePtr+i] = timeRemaining[1][firstMove+i];
18373 pvInfoList[framePtr+i] = pvInfoList[firstMove+i-1];
18374 pvInfoList[firstMove+i-1].depth = 0;
18375 commentList[framePtr+i] = commentList[firstMove+i];
18376 commentList[firstMove+i] = NULL;
18380 forwardMostMove = firstMove; // truncate game so we can start variation
18384 PushTail (int firstMove, int lastMove)
18386 if(appData.icsActive) { // only in local mode
18387 forwardMostMove = currentMove; // mimic old ICS behavior
18390 if(storedGames >= MAX_VARIATIONS-2) return; // leave one for PV-walk
18392 PushInner(firstMove, lastMove);
18393 if(storedGames == 1) GreyRevert(FALSE);
18394 if(gameMode == PlayFromGameFile) gameMode = EditGame, modeRestore = TRUE;
18398 PopInner (Boolean annotate)
18401 char buf[8000], moveBuf[20];
18403 ToNrEvent(savedFirst[storedGames-1]); // sets currentMove
18404 storedGames--; // do this after ToNrEvent, to make sure HistorySet will refresh entire game after PopInner returns
18405 nrMoves = savedLast[storedGames] - currentMove;
18408 if(!WhiteOnMove(currentMove))
18409 snprintf(buf, sizeof(buf)/sizeof(buf[0]),"(%d...", (currentMove+2)>>1);
18410 else safeStrCpy(buf, "(", sizeof(buf)/sizeof(buf[0]));
18411 for(i=currentMove; i<forwardMostMove; i++) {
18413 snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0]), " %d. %s", (i+2)>>1, SavePart(parseList[i]));
18414 else snprintf(moveBuf, sizeof(moveBuf)/sizeof(moveBuf[0])," %s", SavePart(parseList[i]));
18415 strcat(buf, moveBuf);
18416 if(commentList[i]) { strcat(buf, " "); strcat(buf, commentList[i]); }
18417 if(!--cnt) { strcat(buf, "\n"); cnt = 10; }
18421 for(i=1; i<=nrMoves; i++) { // copy last variation back
18422 CopyBoard(boards[currentMove+i], boards[framePtr+i]);
18423 for(j=0; j<MOVE_LEN; j++)
18424 moveList[currentMove+i-1][j] = moveList[framePtr+i][j];
18425 for(j=0; j<2*MOVE_LEN; j++)
18426 parseList[currentMove+i-1][j] = parseList[framePtr+i][j];
18427 timeRemaining[0][currentMove+i] = timeRemaining[0][framePtr+i];
18428 timeRemaining[1][currentMove+i] = timeRemaining[1][framePtr+i];
18429 pvInfoList[currentMove+i-1] = pvInfoList[framePtr+i];
18430 if(commentList[currentMove+i]) free(commentList[currentMove+i]);
18431 commentList[currentMove+i] = commentList[framePtr+i];
18432 commentList[framePtr+i] = NULL;
18434 if(annotate) AppendComment(currentMove+1, buf, FALSE);
18435 framePtr = savedFramePtr[storedGames];
18436 gameInfo.result = savedResult[storedGames];
18437 if(gameInfo.resultDetails != NULL) {
18438 free(gameInfo.resultDetails);
18440 gameInfo.resultDetails = savedDetails[storedGames];
18441 forwardMostMove = currentMove + nrMoves;
18445 PopTail (Boolean annotate)
18447 if(appData.icsActive) return FALSE; // only in local mode
18448 if(!storedGames) return FALSE; // sanity
18449 CommentPopDown(); // make sure no stale variation comments to the destroyed line can remain open
18451 PopInner(annotate);
18452 if(currentMove < forwardMostMove) ForwardEvent(); else
18453 HistorySet(parseList, backwardMostMove, forwardMostMove, currentMove-1);
18455 if(storedGames == 0) { GreyRevert(TRUE); if(modeRestore) modeRestore = FALSE, gameMode = PlayFromGameFile; }
18461 { // remove all shelved variations
18463 for(i=0; i<storedGames; i++) {
18464 if(savedDetails[i])
18465 free(savedDetails[i]);
18466 savedDetails[i] = NULL;
18468 for(i=framePtr; i<MAX_MOVES; i++) {
18469 if(commentList[i]) free(commentList[i]);
18470 commentList[i] = NULL;
18472 framePtr = MAX_MOVES-1;
18477 LoadVariation (int index, char *text)
18478 { // [HGM] vari: shelve previous line and load new variation, parsed from text around text[index]
18479 char *p = text, *start = NULL, *end = NULL, wait = NULLCHAR;
18480 int level = 0, move;
18482 if(gameMode != EditGame && gameMode != AnalyzeMode && gameMode != PlayFromGameFile) return;
18483 // first find outermost bracketing variation
18484 while(*p) { // hope I got this right... Non-nesting {} and [] can screen each other and nesting ()
18485 if(!wait) { // while inside [] pr {}, ignore everyting except matching closing ]}
18486 if(*p == '{') wait = '}'; else
18487 if(*p == '[') wait = ']'; else
18488 if(*p == '(' && level++ == 0 && p-text < index) start = p+1;
18489 if(*p == ')' && level > 0 && --level == 0 && p-text > index && end == NULL) end = p-1;
18491 if(*p == wait) wait = NULLCHAR; // closing ]} found
18494 if(!start || !end) return; // no variation found, or syntax error in PGN: ignore click
18495 if(appData.debugMode) fprintf(debugFP, "at move %d load variation '%s'\n", currentMove, start);
18496 end[1] = NULLCHAR; // clip off comment beyond variation
18497 ToNrEvent(currentMove-1);
18498 PushTail(currentMove, forwardMostMove); // shelve main variation. This truncates game
18499 // kludge: use ParsePV() to append variation to game
18500 move = currentMove;
18501 ParsePV(start, TRUE, TRUE);
18502 forwardMostMove = endPV; endPV = -1; currentMove = move; // cleanup what ParsePV did
18503 ClearPremoveHighlights();
18505 ToNrEvent(currentMove+1);
18511 char *p, *q, buf[MSG_SIZ];
18512 if(engineLine && engineLine[0]) { // a theme was selected from the listbox
18513 snprintf(buf, MSG_SIZ, "-theme %s", engineLine);
18514 ParseArgsFromString(buf);
18515 ActivateTheme(TRUE); // also redo colors
18519 if(*p && !strchr(p, '"')) // theme name specified and well-formed; add settings to theme list
18522 q = appData.themeNames;
18523 snprintf(buf, MSG_SIZ, "\"%s\"", nickName);
18524 if(appData.useBitmaps) {
18525 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt true -lbtf \"%s\" -dbtf \"%s\" -lbtm %d -dbtm %d",
18526 appData.liteBackTextureFile, appData.darkBackTextureFile,
18527 appData.liteBackTextureMode,
18528 appData.darkBackTextureMode );
18530 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ubt false -lsc %s -dsc %s",
18531 Col2Text(2), // lightSquareColor
18532 Col2Text(3) ); // darkSquareColor
18534 if(appData.useBorder) {
18535 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub true -border \"%s\"",
18538 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -ub false");
18540 if(appData.useFont) {
18541 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf true -pf \"%s\" -fptc \"%s\" -fpfcw %s -fpbcb %s",
18542 appData.renderPiecesWithFont,
18543 appData.fontToPieceTable,
18544 Col2Text(9), // appData.fontBackColorWhite
18545 Col2Text(10) ); // appData.fontForeColorBlack
18547 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -upf false -pid \"%s\"",
18548 appData.pieceDirectory);
18549 if(!appData.pieceDirectory[0])
18550 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -wpc %s -bpc %s",
18551 Col2Text(0), // whitePieceColor
18552 Col2Text(1) ); // blackPieceColor
18554 snprintf(buf+strlen(buf), MSG_SIZ-strlen(buf), " -hsc %s -phc %s\n",
18555 Col2Text(4), // highlightSquareColor
18556 Col2Text(5) ); // premoveHighlightColor
18557 appData.themeNames = malloc(len = strlen(q) + strlen(buf) + 1);
18558 if(insert != q) insert[-1] = NULLCHAR;
18559 snprintf(appData.themeNames, len, "%s\n%s%s", q, buf, insert);
18562 ActivateTheme(FALSE);